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update OpenHarmony 2.0 Canary

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mamingshuai
2021-06-02 00:32:44 +08:00
parent 9c23556a03
commit 877bdfc6c5
420 changed files with 162175 additions and 63 deletions
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.gitattributes
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BUILD.gn
Executable
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# Copyright (c) Huawei Technologies Co., Ltd. 2021. All rights reserved.
import("//build/ohos.gni")
if (target_cpu == "arm") {
config("ffi_config") {
visibility = [ ":*" ]
include_dirs = [
".",
"./include",
"./src/arm",
]
cflags = [
"-DTARGET=ARM",
"-Wno-sign-compare",
"-Wno-implicit-function-declaration",
"-Wno-extern-initializer",
]
}
ohos_source_set("ffi_source") {
sources = [
"src/prep_cif.c",
"src/types.c",
"src/raw_api.c",
"src/java_raw_api.c",
"src/closures.c",
"src/arm/ffi.c",
"src/arm/sysv.S",
]
configs = [
":ffi_config",
]
}
} else {
config("ffi_config") {
visibility = [ ":*" ]
include_dirs = [
".",
"./include",
"./src/aarch64",
]
cflags = [
"-DTARGET=AARCH64",
"-Wno-sign-compare",
"-Wno-implicit-function-declaration",
"-Wno-extern-initializer",
]
}
ohos_source_set("ffi_source") {
sources = [
"src/prep_cif.c",
"src/types.c",
"src/raw_api.c",
"src/java_raw_api.c",
"src/closures.c",
"src/aarch64/ffi.c",
"src/aarch64/sysv.S",
]
configs = [
":ffi_config",
]
}
}
config("ffi_public_config") {
include_dirs = [
"include",
]
}
ohos_shared_library("ffi") {
deps = [
":ffi_source",
]
public_configs = [
":ffi_public_config",
]
part_name = "multimedia_histreamer"
subsystem_name = "multimedia"
}
ChangeLog
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ChangeLog.old
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LICENSE
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libffi - Copyright (c) 1996-2019 Anthony Green, Red Hat, Inc and others.
See source files for details.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
``Software''), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
LICENSE-BUILDTOOLS
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The libffi source distribution contains certain code that is not part
of libffi, and is only used as tooling to assist with the building and
testing of libffi. This includes the msvcc.sh script used to wrap the
Microsoft compiler with GNU compatible command-line options,
make_sunver.pl, and the libffi test code distributed in the
testsuite/libffi.bhaible directory. This code is distributed with
libffi for the purpose of convenience only, and libffi is in no way
derived from this code.
msvcc.sh an testsuite/libffi.bhaible are both distributed under the
terms of the GNU GPL version 2, as below.
GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The licenses for most software are designed to take away your
freedom to share and change it. By contrast, the GNU General Public
License is intended to guarantee your freedom to share and change free
software--to make sure the software is free for all its users. This
General Public License applies to most of the Free Software
Foundation's software and to any other program whose authors commit to
using it. (Some other Free Software Foundation software is covered by
the GNU Lesser General Public License instead.) You can apply it to
your programs, too.
When we speak of free software, we are referring to freedom, not
price. Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
this service if you wish), that you receive source code or can get it
if you want it, that you can change the software or use pieces of it
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To protect your rights, we need to make restrictions that forbid
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The precise terms and conditions for copying, distribution and
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GNU GENERAL PUBLIC LICENSE
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. This License applies to any program or other work which contains
a notice placed by the copyright holder saying it may be distributed
under the terms of this General Public License. The "Program", below,
refers to any such program or work, and a "work based on the Program"
means either the Program or any derivative work under copyright law:
that is to say, a work containing the Program or a portion of it,
either verbatim or with modifications and/or translated into another
language. (Hereinafter, translation is included without limitation in
the term "modification".) Each licensee is addressed as "you".
Activities other than copying, distribution and modification are not
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running the Program is not restricted, and the output from the Program
is covered only if its contents constitute a work based on the
Program (independent of having been made by running the Program).
Whether that is true depends on what the Program does.
1. You may copy and distribute verbatim copies of the Program's
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You may charge a fee for the physical act of transferring a copy, and
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c) If the modified program normally reads commands interactively
when run, you must cause it, when started running for such
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announcement including an appropriate copyright notice and a
notice that there is no warranty (or else, saying that you provide
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License. (Exception: if the Program itself is interactive but
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the Program is not required to print an announcement.)
These requirements apply to the modified work as a whole. If
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NO WARRANTY
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TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
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POSSIBILITY OF SUCH DAMAGES.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
convey the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this
when it starts in an interactive mode:
Gnomovision version 69, Copyright (C) year name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, the commands you use may
be called something other than `show w' and `show c'; they could even be
mouse-clicks or menu items--whatever suits your program.
You should also get your employer (if you work as a programmer) or your
school, if any, to sign a "copyright disclaimer" for the program, if
necessary. Here is a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License.
Makefile.am
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## Process this with automake to create Makefile.in
AUTOMAKE_OPTIONS = foreign subdir-objects
ACLOCAL_AMFLAGS = -I m4
SUBDIRS = include testsuite man
if BUILD_DOCS
## This hack is needed because it doesn't seem possible to make a
## conditional info_TEXINFOS in Automake. At least Automake 1.14
## either gives errors -- if this attempted in the most
## straightforward way -- or simply unconditionally tries to build the
## info file.
SUBDIRS += doc
endif
EXTRA_DIST = LICENSE ChangeLog.old \
m4/libtool.m4 m4/lt~obsolete.m4 \
m4/ltoptions.m4 m4/ltsugar.m4 m4/ltversion.m4 \
m4/ltversion.m4 src/debug.c msvcc.sh \
generate-darwin-source-and-headers.py \
libffi.xcodeproj/project.pbxproj \
libtool-ldflags libtool-version configure.host README.md \
libffi.map.in LICENSE-BUILDTOOLS msvc_build make_sunver.pl
# local.exp is generated by configure
DISTCLEANFILES = local.exp
# Subdir rules rely on $(FLAGS_TO_PASS)
FLAGS_TO_PASS = $(AM_MAKEFLAGS)
MAKEOVERRIDES=
pkgconfigdir = $(libdir)/pkgconfig
pkgconfig_DATA = libffi.pc
toolexeclib_LTLIBRARIES = libffi.la
noinst_LTLIBRARIES = libffi_convenience.la
libffi_la_SOURCES = src/prep_cif.c src/types.c \
src/raw_api.c src/java_raw_api.c src/closures.c
if FFI_DEBUG
libffi_la_SOURCES += src/debug.c
endif
noinst_HEADERS = \
src/aarch64/ffitarget.h src/aarch64/internal.h \
src/alpha/ffitarget.h src/alpha/internal.h \
src/arc/ffitarget.h \
src/arm/ffitarget.h src/arm/internal.h \
src/avr32/ffitarget.h \
src/bfin/ffitarget.h \
src/cris/ffitarget.h \
src/frv/ffitarget.h \
src/ia64/ffitarget.h src/ia64/ia64_flags.h \
src/m32r/ffitarget.h \
src/m68k/ffitarget.h \
src/m88k/ffitarget.h \
src/metag/ffitarget.h \
src/microblaze/ffitarget.h \
src/mips/ffitarget.h \
src/moxie/ffitarget.h \
src/nios2/ffitarget.h \
src/or1k/ffitarget.h \
src/pa/ffitarget.h \
src/powerpc/ffitarget.h src/powerpc/asm.h src/powerpc/ffi_powerpc.h \
src/riscv/ffitarget.h \
src/s390/ffitarget.h src/s390/internal.h \
src/sh/ffitarget.h \
src/sh64/ffitarget.h \
src/sparc/ffitarget.h src/sparc/internal.h \
src/tile/ffitarget.h \
src/vax/ffitarget.h \
src/x86/ffitarget.h src/x86/internal.h src/x86/internal64.h src/x86/asmnames.h \
src/xtensa/ffitarget.h \
src/dlmalloc.c
EXTRA_libffi_la_SOURCES = src/aarch64/ffi.c src/aarch64/sysv.S \
src/aarch64/win64_armasm.S src/alpha/ffi.c src/alpha/osf.S \
src/arc/ffi.c src/arc/arcompact.S src/arm/ffi.c \
src/arm/sysv.S src/arm/ffi.c src/arm/sysv_msvc_arm32.S \
src/avr32/ffi.c src/avr32/sysv.S src/bfin/ffi.c \
src/bfin/sysv.S src/cris/ffi.c src/cris/sysv.S src/frv/ffi.c \
src/frv/eabi.S src/ia64/ffi.c src/ia64/unix.S src/m32r/ffi.c \
src/m32r/sysv.S src/m68k/ffi.c src/m68k/sysv.S src/m88k/ffi.c \
src/m88k/obsd.S src/metag/ffi.c src/metag/sysv.S \
src/microblaze/ffi.c src/microblaze/sysv.S src/mips/ffi.c \
src/mips/o32.S src/mips/n32.S src/moxie/ffi.c \
src/moxie/eabi.S src/nios2/ffi.c src/nios2/sysv.S \
src/or1k/ffi.c src/or1k/sysv.S src/pa/ffi.c src/pa/linux.S \
src/pa/hpux32.S src/powerpc/ffi.c src/powerpc/ffi_sysv.c \
src/powerpc/ffi_linux64.c src/powerpc/sysv.S \
src/powerpc/linux64.S src/powerpc/linux64_closure.S \
src/powerpc/ppc_closure.S src/powerpc/aix.S \
src/powerpc/darwin.S src/powerpc/aix_closure.S \
src/powerpc/darwin_closure.S src/powerpc/ffi_darwin.c \
src/riscv/ffi.c src/riscv/sysv.S src/s390/ffi.c \
src/s390/sysv.S src/sh/ffi.c src/sh/sysv.S src/sh64/ffi.c \
src/sh64/sysv.S src/sparc/ffi.c src/sparc/ffi64.c \
src/sparc/v8.S src/sparc/v9.S src/tile/ffi.c src/tile/tile.S \
src/vax/ffi.c src/vax/elfbsd.S src/x86/ffi.c src/x86/sysv.S \
src/x86/ffiw64.c src/x86/win64.S src/x86/ffi64.c \
src/x86/unix64.S src/x86/sysv_intel.S src/x86/win64_intel.S \
src/xtensa/ffi.c src/xtensa/sysv.S
TARGET_OBJ = @TARGET_OBJ@
libffi_la_LIBADD = $(TARGET_OBJ)
libffi_convenience_la_SOURCES = $(libffi_la_SOURCES)
EXTRA_libffi_convenience_la_SOURCES = $(EXTRA_libffi_la_SOURCES)
libffi_convenience_la_LIBADD = $(libffi_la_LIBADD)
libffi_convenience_la_DEPENDENCIES = $(libffi_la_DEPENDENCIES)
nodist_libffi_convenience_la_SOURCES = $(nodist_libffi_la_SOURCES)
LTLDFLAGS = $(shell $(SHELL) $(top_srcdir)/libtool-ldflags $(LDFLAGS))
AM_CFLAGS =
if FFI_DEBUG
# Build debug. Define FFI_DEBUG on the commandline so that, when building with
# MSVC, it can link against the debug CRT.
AM_CFLAGS += -DFFI_DEBUG
endif
if LIBFFI_BUILD_VERSIONED_SHLIB
if LIBFFI_BUILD_VERSIONED_SHLIB_GNU
libffi_version_script = -Wl,--version-script,libffi.map
libffi_version_dep = libffi.map
endif
if LIBFFI_BUILD_VERSIONED_SHLIB_SUN
libffi_version_script = -Wl,-M,libffi.map-sun
libffi_version_dep = libffi.map-sun
libffi.map-sun : libffi.map $(top_srcdir)/make_sunver.pl \
$(libffi_la_OBJECTS) $(libffi_la_LIBADD)
perl $(top_srcdir)/make_sunver.pl libffi.map \
`echo $(libffi_la_OBJECTS) $(libffi_la_LIBADD) | \
sed 's,\([^/ ]*\)\.l\([ao]\),.libs/\1.\2,g'` \
> $@ || (rm -f $@ ; exit 1)
endif
else
libffi_version_script =
libffi_version_dep =
endif
libffi_version_info = -version-info `grep -v '^\#' $(srcdir)/libtool-version`
libffi.map: $(top_srcdir)/libffi.map.in
$(COMPILE) -D$(TARGET) -E -x assembler-with-cpp -o $@ $<
libffi_la_LDFLAGS = -no-undefined $(libffi_version_info) $(libffi_version_script) $(LTLDFLAGS) $(AM_LTLDFLAGS)
libffi_la_DEPENDENCIES = $(libffi_la_LIBADD) $(libffi_version_dep)
AM_CPPFLAGS = -I. -I$(top_srcdir)/include -Iinclude -I$(top_srcdir)/src
AM_CCASFLAGS = $(AM_CPPFLAGS)
dist-hook:
d=`(cd $(distdir); pwd)`; (cd doc; make pdf; cp *.pdf $$d/doc)
if [ -d $(top_srcdir)/.git ] ; then (cd $(top_srcdir); git log --no-decorate) ; else echo 'See git log for history.' ; fi > $(distdir)/ChangeLog
s=`awk '/was released on/{ print NR; exit}' $(top_srcdir)/README.md`; tail -n +$$(($$s-1)) $(top_srcdir)/README.md > $(distdir)/README.md
Makefile.in
+2024
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File diff suppressed because it is too large Load Diff
OAT.xml
Executable
+70
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@@ -0,0 +1,70 @@
<?xml version="1.0" encoding="UTF-8"?>
<!-- Copyright (c) 2021 Huawei Device Co., Ltd.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
Notes:
This is project config file for OpenHarmony OSS Audit Tool, if you have any questions or concerns, please email chenyaxun@huawei.com.
-->
<!-- OAT(OSS Audit Tool) configuration guide:
basedir: Root dir, the basedir + project path is the real source file location.
licensefile:
1.If the project don't have "LICENSE" in root dir, please define all the license files in this project in , OAT will check license files according to this rule.
tasklist(only for batch mode):
1. task: Define oat check thread, each task will start a new thread.
2. task name: Only an name, no practical effect.
3. task policy: Default policy for projects under this task, this field is required and the specified policy must defined in policylist.
4. task filter: Default filefilter for projects under this task, this field is required and the specified filefilter must defined in filefilterlist.
5. task project: Projects to be checked, the path field define the source root dir of the project.
policyList:
1. policy: All policyitems will be merged to default OAT.xml rules, the name of policy doesn't affect OAT check process.
2. policyitem: The fields type, name, path, desc is required, and the fields rule, group, filefilter is optional,the default value is:
<policyitem type="" name="" path="" desc="" rule="may" group="defaultGroup" filefilter="defaultPolicyFilter"/>
3. policyitem type:
"compatibility" is used to check license compatibility in the specified path;
"license" is used to check source license header in the specified path;
"copyright" is used to check source copyright header in the specified path;
"import" is used to check source dependency in the specified path, such as import ... ,include ...
"filetype" is used to check file type in the specified path, supported file types: archive, binary
"filename" is used to check whether the specified file exists in the specified path(support projectroot in default OAT.xml), supported file names: LICENSE, README, README.OpenSource
4. policyitem name: This field is used for define the license, copyright, "*" means match all, the "!" prefix means could not match this value. For example, "!GPL" means can not use GPL license.
5. policyitem path: This field is used for define the source file scope to apply this policyitem, the "!" prefix means exclude the files. For example, "!.*/lib/.*" means files in lib dir will be exclude while process this policyitem.
6. policyitem rule and group: These two fields are used together to merge policy results. "may" policyitems in the same group means any one in this group passed, the result will be passed.
7. policyitem filefilter: Used to bind filefilter which define filter rules.
8. filefilter: Filter rules, the type filename is used to filter file name, the type filepath is used to filter file path.
Note:If the text contains special characters, please escape them according to the following rules:
" == &gt;
& == &gt;
' == &gt;
< == &gt;
> == &gt;
-->
<configuration>
<oatconfig>
<licensefile></licensefile>
<policylist>
<policy name="projectPolicy" desc="">
</policy>
</policylist>
<filefilterlist>
<filefilter name="defaultPolicyFilter" desc="Filters for compatibility，license header policies">
<filteritem type="filepath" name=".*" desc="The files involved in compilation are the MIT protocol.They are used in dynamic link mode."/>
</filefilter>
</filefilterlist>
</oatconfig>
</configuration>
README.OpenSource
+10
View File
@@ -0,0 +1,10 @@
[
{
"Name": "libffi",
"License": "MIT License",
"License File": "LICENSE",
"Version Number": "3.3",
"Upstream URL": "https://sourceware.org/libffi/",
"Description": "The libffi library provides a portable, high level programming interface to various calling conventions. This allows a programmer to call any function specified by a call interface description at run-time."
}
]
README.en.md
-36
View File
@@ -1,36 +0,0 @@
# third_party_libffi
#### Description
Third-party open-source software libffi | 三方开源软件libffi
#### Software Architecture
Software architecture description
#### Installation
1. xxxx
2. xxxx
3. xxxx
#### Instructions
1. xxxx
2. xxxx
3. xxxx
#### Contribution
1. Fork the repository
2. Create Feat_xxx branch
3. Commit your code
4. Create Pull Request
#### Gitee Feature
1. You can use Readme\_XXX.md to support different languages, such as Readme\_en.md, Readme\_zh.md
2. Gitee blog [blog.gitee.com](https://blog.gitee.com)
3. Explore open source project [https://gitee.com/explore](https://gitee.com/explore)
4. The most valuable open source project [GVP](https://gitee.com/gvp)
5. The manual of Gitee [https://gitee.com/help](https://gitee.com/help)
6. The most popular members [https://gitee.com/gitee-stars/](https://gitee.com/gitee-stars/)
README.md
+462 -27
View File
@@ -1,37 +1,472 @@
# third_party_libffi
#### 介绍
Third-party open-source software libffi | 三方开源软件libffi
#### 软件架构
软件架构说明
libffi-3.3 was released on November 23, 2019. Check the libffi web
page for updates: <URL:http://sourceware.org/libffi/>.
#### 安装教程
What is libffi?
===============
1. xxxx
2. xxxx
3. xxxx
Compilers for high level languages generate code that follow certain
conventions. These conventions are necessary, in part, for separate
compilation to work. One such convention is the "calling
convention". The "calling convention" is essentially a set of
assumptions made by the compiler about where function arguments will
be found on entry to a function. A "calling convention" also specifies
where the return value for a function is found.
#### 使用说明
Some programs may not know at the time of compilation what arguments
are to be passed to a function. For instance, an interpreter may be
told at run-time about the number and types of arguments used to call
a given function. Libffi can be used in such programs to provide a
bridge from the interpreter program to compiled code.
1. xxxx
2. xxxx
3. xxxx
The libffi library provides a portable, high level programming
interface to various calling conventions. This allows a programmer to
call any function specified by a call interface description at run
time.
#### 参与贡献
1. Fork 本仓库
2. 新建 Feat_xxx 分支
3. 提交代码
4. 新建 Pull Request
FFI stands for Foreign Function Interface. A foreign function
interface is the popular name for the interface that allows code
written in one language to call code written in another language. The
libffi library really only provides the lowest, machine dependent
layer of a fully featured foreign function interface. A layer must
exist above libffi that handles type conversions for values passed
between the two languages.
#### 特技
Supported Platforms
===================
1. 使用 Readme\_XXX.md 来支持不同的语言，例如 Readme\_en.md, Readme\_zh.md
2. Gitee 官方博客 [blog.gitee.com](https://blog.gitee.com)
3. 你可以 [https://gitee.com/explore](https://gitee.com/explore) 这个地址来了解 Gitee 上的优秀开源项目
4. [GVP](https://gitee.com/gvp) 全称是 Gitee 最有价值开源项目，是综合评定出的优秀开源项目
5. Gitee 官方提供的使用手册 [https://gitee.com/help](https://gitee.com/help)
6. Gitee 封面人物是一档用来展示 Gitee 会员风采的栏目 [https://gitee.com/gitee-stars/](https://gitee.com/gitee-stars/)
Libffi has been ported to many different platforms.
At the time of release, the following basic configurations have been
tested:
| Architecture | Operating System | Compiler |
| --------------- | ---------------- | ----------------------- |
| AArch64 (ARM64) | iOS | Clang |
| AArch64 | Linux | GCC |
| AArch64 | Windows | MSVC |
| Alpha | Linux | GCC |
| Alpha | Tru64 | GCC |
| ARC | Linux | GCC |
| ARM | Linux | GCC |
| ARM | iOS | GCC |
| ARM | Windows | MSVC |
| AVR32 | Linux | GCC |
| Blackfin | uClinux | GCC |
| HPPA | HPUX | GCC |
| IA-64 | Linux | GCC |
| M68K | FreeMiNT | GCC |
| M68K | Linux | GCC |
| M68K | RTEMS | GCC |
| M88K | OpenBSD/mvme88k | GCC |
| Meta | Linux | GCC |
| MicroBlaze | Linux | GCC |
| MIPS | IRIX | GCC |
| MIPS | Linux | GCC |
| MIPS | RTEMS | GCC |
| MIPS64 | Linux | GCC |
| Moxie | Bare metal | GCC |
| Nios II | Linux | GCC |
| OpenRISC | Linux | GCC |
| PowerPC 32-bit | AIX | IBM XL C |
| PowerPC 64-bit | AIX | IBM XL C |
| PowerPC | AMIGA | GCC |
| PowerPC | Linux | GCC |
| PowerPC | Mac OSX | GCC |
| PowerPC | FreeBSD | GCC |
| PowerPC 64-bit | FreeBSD | GCC |
| PowerPC 64-bit | Linux ELFv1 | GCC |
| PowerPC 64-bit | Linux ELFv2 | GCC |
| RISC-V 32-bit | Linux | GCC |
| RISC-V 64-bit | Linux | GCC |
| S390 | Linux | GCC |
| S390X | Linux | GCC |
| SPARC | Linux | GCC |
| SPARC | Solaris | GCC |
| SPARC | Solaris | Oracle Solaris Studio C |
| SPARC64 | Linux | GCC |
| SPARC64 | FreeBSD | GCC |
| SPARC64 | Solaris | Oracle Solaris Studio C |
| TILE-Gx/TILEPro | Linux | GCC |
| VAX | OpenBSD/vax | GCC |
| X86 | FreeBSD | GCC |
| X86 | GNU HURD | GCC |
| X86 | Interix | GCC |
| X86 | kFreeBSD | GCC |
| X86 | Linux | GCC |
| X86 | Mac OSX | GCC |
| X86 | OpenBSD | GCC |
| X86 | OS/2 | GCC |
| X86 | Solaris | GCC |
| X86 | Solaris | Oracle Solaris Studio C |
| X86 | Windows/Cygwin | GCC |
| X86 | Windows/MingW | GCC |
| X86-64 | FreeBSD | GCC |
| X86-64 | Linux | GCC |
| X86-64 | Linux/x32 | GCC |
| X86-64 | OpenBSD | GCC |
| X86-64 | Solaris | Oracle Solaris Studio C |
| X86-64 | Windows/Cygwin | GCC |
| X86-64 | Windows/MingW | GCC |
| X86-64 | Mac OSX | GCC |
| Xtensa | Linux | GCC |
Please send additional platform test results to
libffi-discuss@sourceware.org.
Installing libffi
=================
First you must configure the distribution for your particular
system. Go to the directory you wish to build libffi in and run the
"configure" program found in the root directory of the libffi source
distribution. Note that building libffi requires a C99 compatible
compiler.
If you're building libffi directly from git hosted sources, configure
won't exist yet; run ./autogen.sh first. This will require that you
install autoconf, automake and libtool.
You may want to tell configure where to install the libffi library and
header files. To do that, use the ``--prefix`` configure switch. Libffi
will install under /usr/local by default.
If you want to enable extra run-time debugging checks use the the
``--enable-debug`` configure switch. This is useful when your program dies
mysteriously while using libffi.
Another useful configure switch is ``--enable-purify-safety``. Using this
will add some extra code which will suppress certain warnings when you
are using Purify with libffi. Only use this switch when using
Purify, as it will slow down the library.
If you don't want to build documentation, use the ``--disable-docs``
configure switch.
It's also possible to build libffi on Windows platforms with
Microsoft's Visual C++ compiler. In this case, use the msvcc.sh
wrapper script during configuration like so:
path/to/configure CC=path/to/msvcc.sh CXX=path/to/msvcc.sh LD=link CPP="cl -nologo -EP" CPPFLAGS="-DFFI_BUILDING_DLL"
For 64-bit Windows builds, use ``CC="path/to/msvcc.sh -m64"`` and
``CXX="path/to/msvcc.sh -m64"``. You may also need to specify
``--build`` appropriately.
It is also possible to build libffi on Windows platforms with the LLVM
project's clang-cl compiler, like below:
path/to/configure CC="path/to/msvcc.sh -clang-cl" CXX="path/to/msvcc.sh -clang-cl" LD=link CPP="clang-cl -EP"
When building with MSVC under a MingW environment, you may need to
remove the line in configure that sets 'fix_srcfile_path' to a 'cygpath'
command. ('cygpath' is not present in MingW, and is not required when
using MingW-style paths.)
To build static library for ARM64 with MSVC using visual studio solution, msvc_build folder have
aarch64/Ffi_staticLib.sln
required header files in aarch64/aarch64_include/
SPARC Solaris builds require the use of the GNU assembler and linker.
Point ``AS`` and ``LD`` environment variables at those tool prior to
configuration.
For iOS builds, the ``libffi.xcodeproj`` Xcode project is available.
Configure has many other options. Use ``configure --help`` to see them all.
Once configure has finished, type "make". Note that you must be using
GNU make. You can ftp GNU make from ftp.gnu.org:/pub/gnu/make .
To ensure that libffi is working as advertised, type "make check".
This will require that you have DejaGNU installed.
To install the library and header files, type ``make install``.
History
=======
See the git log for details at http://github.com/libffi/libffi.
3.3 Nov-23-19
Add RISC-V support.
New API in support of GO closures.
Add IEEE754 binary128 long double support for 64-bit Power
Default to Microsoft's 64 bit long double ABI with Visual C++.
GNU compiler uses 80 bits (128 in memory) FFI_GNUW64 ABI.
Add Windows on ARM64 (WOA) support.
Add Windows 32-bit ARM support.
Raw java (gcj) API deprecated.
Add pre-built PDF documentation to source distribution.
Many new tests cases and bug fixes.
3.2.1 Nov-12-14
Build fix for non-iOS AArch64 targets.
3.2 Nov-11-14
Add C99 Complex Type support (currently only supported on
s390).
Add support for PASCAL and REGISTER calling conventions on x86
Windows/Linux.
Add OpenRISC and Cygwin-64 support.
Bug fixes.
3.1 May-19-14
Add AArch64 (ARM64) iOS support.
Add Nios II support.
Add m88k and DEC VAX support.
Add support for stdcall, thiscall, and fastcall on non-Windows
32-bit x86 targets such as Linux.
Various Android, MIPS N32, x86, FreeBSD and UltraSPARC IIi
fixes.
Make the testsuite more robust: eliminate several spurious
failures, and respect the $CC and $CXX environment variables.
Archive off the manually maintained ChangeLog in favor of git
log.
3.0.13 Mar-17-13
Add Meta support.
Add missing Moxie bits.
Fix stack alignment bug on 32-bit x86.
Build fix for m68000 targets.
Build fix for soft-float Power targets.
Fix the install dir location for some platforms when building
with GCC (OS X, Solaris).
Fix Cygwin regression.
3.0.12 Feb-11-13
Add Moxie support.
Add AArch64 support.
Add Blackfin support.
Add TILE-Gx/TILEPro support.
Add MicroBlaze support.
Add Xtensa support.
Add support for PaX enabled kernels with MPROTECT.
Add support for native vendor compilers on
Solaris and AIX.
Work around LLVM/GCC interoperability issue on x86_64.
3.0.11 Apr-11-12
Lots of build fixes.
Add support for variadic functions (ffi_prep_cif_var).
Add Linux/x32 support.
Add thiscall, fastcall and MSVC cdecl support on Windows.
Add Amiga and newer MacOS support.
Add m68k FreeMiNT support.
Integration with iOS' xcode build tools.
Fix Octeon and MC68881 support.
Fix code pessimizations.
3.0.10 Aug-23-11
Add support for Apple's iOS.
Add support for ARM VFP ABI.
Add RTEMS support for MIPS and M68K.
Fix instruction cache clearing problems on
ARM and SPARC.
Fix the N64 build on mips-sgi-irix6.5.
Enable builds with Microsoft's compiler.
Enable x86 builds with Oracle's Solaris compiler.
Fix support for calling code compiled with Oracle's Sparc
Solaris compiler.
Testsuite fixes for Tru64 Unix.
Additional platform support.
3.0.9 Dec-31-09
Add AVR32 and win64 ports. Add ARM softfp support.
Many fixes for AIX, Solaris, HP-UX, *BSD.
Several PowerPC and x86-64 bug fixes.
Build DLL for windows.
3.0.8 Dec-19-08
Add *BSD, BeOS, and PA-Linux support.
3.0.7 Nov-11-08
Fix for ppc FreeBSD.
(thanks to Andreas Tobler)
3.0.6 Jul-17-08
Fix for closures on sh.
Mark the sh/sh64 stack as non-executable.
(both thanks to Kaz Kojima)
3.0.5 Apr-3-08
Fix libffi.pc file.
Fix #define ARM for IcedTea users.
Fix x86 closure bug.
3.0.4 Feb-24-08
Fix x86 OpenBSD configury.
3.0.3 Feb-22-08
Enable x86 OpenBSD thanks to Thomas Heller, and
x86-64 FreeBSD thanks to Björn König and Andreas Tobler.
Clean up test instruction in README.
3.0.2 Feb-21-08
Improved x86 FreeBSD support.
Thanks to Björn König.
3.0.1 Feb-15-08
Fix instruction cache flushing bug on MIPS.
Thanks to David Daney.
3.0.0 Feb-15-08
Many changes, mostly thanks to the GCC project.
Cygnus Solutions is now Red Hat.
[10 years go by...]
1.20 Oct-5-98
Raffaele Sena produces ARM port.
1.19 Oct-5-98
Fixed x86 long double and long long return support.
m68k bug fixes from Andreas Schwab.
Patch for DU assembler compatibility for the Alpha from Richard
Henderson.
1.18 Apr-17-98
Bug fixes and MIPS configuration changes.
1.17 Feb-24-98
Bug fixes and m68k port from Andreas Schwab. PowerPC port from
Geoffrey Keating. Various bug x86, Sparc and MIPS bug fixes.
1.16 Feb-11-98
Richard Henderson produces Alpha port.
1.15 Dec-4-97
Fixed an n32 ABI bug. New libtool, auto* support.
1.14 May-13-97
libtool is now used to generate shared and static libraries.
Fixed a minor portability problem reported by Russ McManus
<mcmanr@eq.gs.com>.
1.13 Dec-2-96
Added --enable-purify-safety to keep Purify from complaining
about certain low level code.
Sparc fix for calling functions with < 6 args.
Linux x86 a.out fix.
1.12 Nov-22-96
Added missing ffi_type_void, needed for supporting void return
types. Fixed test case for non MIPS machines. Cygnus Support
is now Cygnus Solutions.
1.11 Oct-30-96
Added notes about GNU make.
1.10 Oct-29-96
Added configuration fix for non GNU compilers.
1.09 Oct-29-96
Added --enable-debug configure switch. Clean-ups based on LCLint
feedback. ffi_mips.h is always installed. Many configuration
fixes. Fixed ffitest.c for sparc builds.
1.08 Oct-15-96
Fixed n32 problem. Many clean-ups.
1.07 Oct-14-96
Gordon Irlam rewrites v8.S again. Bug fixes.
1.06 Oct-14-96
Gordon Irlam improved the sparc port.
1.05 Oct-14-96
Interface changes based on feedback.
1.04 Oct-11-96
Sparc port complete (modulo struct passing bug).
1.03 Oct-10-96
Passing struct args, and returning struct values works for
all architectures/calling conventions. Expanded tests.
1.02 Oct-9-96
Added SGI n32 support. Fixed bugs in both o32 and Linux support.
Added "make test".
1.01 Oct-8-96
Fixed float passing bug in mips version. Restructured some
of the code. Builds cleanly with SGI tools.
1.00 Oct-7-96
First release. No public announcement.
Authors & Credits
=================
libffi was originally written by Anthony Green <green@moxielogic.com>.
The developers of the GNU Compiler Collection project have made
innumerable valuable contributions. See the ChangeLog file for
details.
Some of the ideas behind libffi were inspired by Gianni Mariani's free
gencall library for Silicon Graphics machines.
The closure mechanism was designed and implemented by Kresten Krab
Thorup.
Major processor architecture ports were contributed by the following
developers:
aarch64 Marcus Shawcroft, James Greenhalgh
alpha Richard Henderson
arc Hackers at Synopsis
arm Raffaele Sena
avr32 Bradley Smith
blackfin Alexandre Keunecke I. de Mendonca
cris Simon Posnjak, Hans-Peter Nilsson
frv Anthony Green
ia64 Hans Boehm
m32r Kazuhiro Inaoka
m68k Andreas Schwab
m88k Miod Vallat
metag Hackers at Imagination Technologies
microblaze Nathan Rossi
mips Anthony Green, Casey Marshall
mips64 David Daney
moxie Anthony Green
nios ii Sandra Loosemore
openrisc Sebastian Macke
pa Randolph Chung, Dave Anglin, Andreas Tobler
powerpc Geoffrey Keating, Andreas Tobler,
David Edelsohn, John Hornkvist
powerpc64 Jakub Jelinek
riscv Michael Knyszek, Andrew Waterman, Stef O'Rear
s390 Gerhard Tonn, Ulrich Weigand
sh Kaz Kojima
sh64 Kaz Kojima
sparc Anthony Green, Gordon Irlam
tile-gx/tilepro Walter Lee
vax Miod Vallat
x86 Anthony Green, Jon Beniston
x86-64 Bo Thorsen
xtensa Chris Zankel
Jesper Skov and Andrew Haley both did more than their fair share of
stepping through the code and tracking down bugs.
Thanks also to Tom Tromey for bug fixes, documentation and
configuration help.
Thanks to Jim Blandy, who provided some useful feedback on the libffi
interface.
Andreas Tobler has done a tremendous amount of work on the testsuite.
Alex Oliva solved the executable page problem for SElinux.
The list above is almost certainly incomplete and inaccurate. I'm
happy to make corrections or additions upon request.
If you have a problem, or have found a bug, please send a note to the
author at green@moxielogic.com, or the project mailing list at
libffi-discuss@sourceware.org.
acinclude.m4
+479
View File
@@ -0,0 +1,479 @@
# mmap(2) blacklisting. Some platforms provide the mmap library routine
# but don't support all of the features we need from it.
AC_DEFUN([AC_FUNC_MMAP_BLACKLIST],
[
AC_CHECK_HEADER([sys/mman.h],
[libffi_header_sys_mman_h=yes], [libffi_header_sys_mman_h=no])
AC_CHECK_FUNC([mmap], [libffi_func_mmap=yes], [libffi_func_mmap=no])
if test "$libffi_header_sys_mman_h" != yes \
|| test "$libffi_func_mmap" != yes; then
ac_cv_func_mmap_file=no
ac_cv_func_mmap_dev_zero=no
ac_cv_func_mmap_anon=no
else
AC_CACHE_CHECK([whether read-only mmap of a plain file works],
ac_cv_func_mmap_file,
[# Add a system to this blacklist if
# mmap(0, stat_size, PROT_READ, MAP_PRIVATE, fd, 0) doesn't return a
# memory area containing the same data that you'd get if you applied
# read() to the same fd. The only system known to have a problem here
# is VMS, where text files have record structure.
case "$host_os" in
vms* | ultrix*)
ac_cv_func_mmap_file=no ;;
*)
ac_cv_func_mmap_file=yes;;
esac])
AC_CACHE_CHECK([whether mmap from /dev/zero works],
ac_cv_func_mmap_dev_zero,
[# Add a system to this blacklist if it has mmap() but /dev/zero
# does not exist, or if mmapping /dev/zero does not give anonymous
# zeroed pages with both the following properties:
# 1. If you map N consecutive pages in with one call, and then
# unmap any subset of those pages, the pages that were not
# explicitly unmapped remain accessible.
# 2. If you map two adjacent blocks of memory and then unmap them
# both at once, they must both go away.
# Systems known to be in this category are Windows (all variants),
# VMS, and Darwin.
case "$host_os" in
vms* | cygwin* | pe | mingw* | darwin* | ultrix* | hpux10* | hpux11.00)
ac_cv_func_mmap_dev_zero=no ;;
*)
ac_cv_func_mmap_dev_zero=yes;;
esac])
# Unlike /dev/zero, the MAP_ANON(YMOUS) defines can be probed for.
AC_CACHE_CHECK([for MAP_ANON(YMOUS)], ac_cv_decl_map_anon,
[AC_TRY_COMPILE(
[#include <sys/types.h>
#include <sys/mman.h>
#include <unistd.h>
#ifndef MAP_ANONYMOUS
#define MAP_ANONYMOUS MAP_ANON
#endif
],
[int n = MAP_ANONYMOUS;],
ac_cv_decl_map_anon=yes,
ac_cv_decl_map_anon=no)])
if test $ac_cv_decl_map_anon = no; then
ac_cv_func_mmap_anon=no
else
AC_CACHE_CHECK([whether mmap with MAP_ANON(YMOUS) works],
ac_cv_func_mmap_anon,
[# Add a system to this blacklist if it has mmap() and MAP_ANON or
# MAP_ANONYMOUS, but using mmap(..., MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
# doesn't give anonymous zeroed pages with the same properties listed
# above for use of /dev/zero.
# Systems known to be in this category are Windows, VMS, and SCO Unix.
case "$host_os" in
vms* | cygwin* | pe | mingw* | sco* | udk* )
ac_cv_func_mmap_anon=no ;;
*)
ac_cv_func_mmap_anon=yes;;
esac])
fi
fi
if test $ac_cv_func_mmap_file = yes; then
AC_DEFINE(HAVE_MMAP_FILE, 1,
[Define if read-only mmap of a plain file works.])
fi
if test $ac_cv_func_mmap_dev_zero = yes; then
AC_DEFINE(HAVE_MMAP_DEV_ZERO, 1,
[Define if mmap of /dev/zero works.])
fi
if test $ac_cv_func_mmap_anon = yes; then
AC_DEFINE(HAVE_MMAP_ANON, 1,
[Define if mmap with MAP_ANON(YMOUS) works.])
fi
])
dnl ----------------------------------------------------------------------
dnl This whole bit snagged from libstdc++-v3, via libatomic.
dnl
dnl LIBFFI_ENABLE
dnl (FEATURE, DEFAULT, HELP-ARG, HELP-STRING)
dnl (FEATURE, DEFAULT, HELP-ARG, HELP-STRING, permit a|b|c)
dnl (FEATURE, DEFAULT, HELP-ARG, HELP-STRING, SHELL-CODE-HANDLER)
dnl
dnl See docs/html/17_intro/configury.html#enable for documentation.
dnl
m4_define([LIBFFI_ENABLE],[dnl
m4_define([_g_switch],[--enable-$1])dnl
m4_define([_g_help],[AC_HELP_STRING(_g_switch$3,[$4 @<:@default=$2@:>@])])dnl
AC_ARG_ENABLE($1,_g_help,
m4_bmatch([$5],
[^permit ],
[[
case "$enableval" in
m4_bpatsubst([$5],[permit ])) ;;
*) AC_MSG_ERROR(Unknown argument to enable/disable $1) ;;
dnl Idea for future: generate a URL pointing to
dnl "onlinedocs/configopts.html#whatever"
esac
]],
[^$],
[[
case "$enableval" in
yes|no) ;;
*) AC_MSG_ERROR(Argument to enable/disable $1 must be yes or no) ;;
esac
]],
[[$5]]),
[enable_]m4_bpatsubst([$1],-,_)[=][$2])
m4_undefine([_g_switch])dnl
m4_undefine([_g_help])dnl
])
dnl
dnl If GNU ld is in use, check to see if tricky linker opts can be used. If
dnl the native linker is in use, all variables will be defined to something
dnl safe (like an empty string).
dnl
dnl Defines:
dnl SECTION_LDFLAGS='-Wl,--gc-sections' if possible
dnl OPT_LDFLAGS='-Wl,-O1' if possible
dnl LD (as a side effect of testing)
dnl Sets:
dnl with_gnu_ld
dnl libat_ld_is_gold (possibly)
dnl libat_gnu_ld_version (possibly)
dnl
dnl The last will be a single integer, e.g., version 1.23.45.0.67.89 will
dnl set libat_gnu_ld_version to 12345. Zeros cause problems.
dnl
AC_DEFUN([LIBFFI_CHECK_LINKER_FEATURES], [
# If we're not using GNU ld, then there's no point in even trying these
# tests. Check for that first. We should have already tested for gld
# by now (in libtool), but require it now just to be safe...
test -z "$SECTION_LDFLAGS" && SECTION_LDFLAGS=''
test -z "$OPT_LDFLAGS" && OPT_LDFLAGS=''
AC_REQUIRE([AC_PROG_LD])
AC_REQUIRE([AC_PROG_AWK])
# The name set by libtool depends on the version of libtool. Shame on us
# for depending on an impl detail, but c'est la vie. Older versions used
# ac_cv_prog_gnu_ld, but now it's lt_cv_prog_gnu_ld, and is copied back on
# top of with_gnu_ld (which is also set by --with-gnu-ld, so that actually
# makes sense). We'll test with_gnu_ld everywhere else, so if that isn't
# set (hence we're using an older libtool), then set it.
if test x${with_gnu_ld+set} != xset; then
if test x${ac_cv_prog_gnu_ld+set} != xset; then
# We got through "ac_require(ac_prog_ld)" and still not set? Huh?
with_gnu_ld=no
else
with_gnu_ld=$ac_cv_prog_gnu_ld
fi
fi
# Start by getting the version number. I think the libtool test already
# does some of this, but throws away the result.
libat_ld_is_gold=no
if $LD --version 2>/dev/null | grep 'GNU gold'> /dev/null 2>&1; then
libat_ld_is_gold=yes
fi
changequote(,)
ldver=`$LD --version 2>/dev/null |
sed -e 's/GNU gold /GNU ld /;s/GNU ld version /GNU ld /;s/GNU ld ([^)]*) /GNU ld /;s/GNU ld \([0-9.][0-9.]*\).*/\1/; q'`
changequote([,])
libat_gnu_ld_version=`echo $ldver | \
$AWK -F. '{ if (NF<3) [$]3=0; print ([$]1*100+[$]2)*100+[$]3 }'`
# Set --gc-sections.
if test "$with_gnu_ld" = "notbroken"; then
# GNU ld it is! Joy and bunny rabbits!
# All these tests are for C++; save the language and the compiler flags.
# Need to do this so that g++ won't try to link in libstdc++
ac_test_CFLAGS="${CFLAGS+set}"
ac_save_CFLAGS="$CFLAGS"
CFLAGS='-x c++ -Wl,--gc-sections'
# Check for -Wl,--gc-sections
# XXX This test is broken at the moment, as symbols required for linking
# are now in libsupc++ (not built yet). In addition, this test has
# cored on solaris in the past. In addition, --gc-sections doesn't
# really work at the moment (keeps on discarding used sections, first
# .eh_frame and now some of the glibc sections for iconv).
# Bzzzzt. Thanks for playing, maybe next time.
AC_MSG_CHECKING([for ld that supports -Wl,--gc-sections])
AC_TRY_RUN([
int main(void)
{
try { throw 1; }
catch (...) { };
return 0;
}
], [ac_sectionLDflags=yes],[ac_sectionLDflags=no], [ac_sectionLDflags=yes])
if test "$ac_test_CFLAGS" = set; then
CFLAGS="$ac_save_CFLAGS"
else
# this is the suspicious part
CFLAGS=''
fi
if test "$ac_sectionLDflags" = "yes"; then
SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS"
fi
AC_MSG_RESULT($ac_sectionLDflags)
fi
# Set linker optimization flags.
if test x"$with_gnu_ld" = x"yes"; then
OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS"
fi
AC_SUBST(SECTION_LDFLAGS)
AC_SUBST(OPT_LDFLAGS)
])
dnl
dnl If GNU ld is in use, check to see if tricky linker opts can be used. If
dnl the native linker is in use, all variables will be defined to something
dnl safe (like an empty string).
dnl
dnl Defines:
dnl SECTION_LDFLAGS='-Wl,--gc-sections' if possible
dnl OPT_LDFLAGS='-Wl,-O1' if possible
dnl LD (as a side effect of testing)
dnl Sets:
dnl with_gnu_ld
dnl libat_ld_is_gold (possibly)
dnl libat_gnu_ld_version (possibly)
dnl
dnl The last will be a single integer, e.g., version 1.23.45.0.67.89 will
dnl set libat_gnu_ld_version to 12345. Zeros cause problems.
dnl
AC_DEFUN([LIBFFI_CHECK_LINKER_FEATURES], [
# If we're not using GNU ld, then there's no point in even trying these
# tests. Check for that first. We should have already tested for gld
# by now (in libtool), but require it now just to be safe...
test -z "$SECTION_LDFLAGS" && SECTION_LDFLAGS=''
test -z "$OPT_LDFLAGS" && OPT_LDFLAGS=''
AC_REQUIRE([AC_PROG_LD])
AC_REQUIRE([AC_PROG_AWK])
# The name set by libtool depends on the version of libtool. Shame on us
# for depending on an impl detail, but c'est la vie. Older versions used
# ac_cv_prog_gnu_ld, but now it's lt_cv_prog_gnu_ld, and is copied back on
# top of with_gnu_ld (which is also set by --with-gnu-ld, so that actually
# makes sense). We'll test with_gnu_ld everywhere else, so if that isn't
# set (hence we're using an older libtool), then set it.
if test x${with_gnu_ld+set} != xset; then
if test x${ac_cv_prog_gnu_ld+set} != xset; then
# We got through "ac_require(ac_prog_ld)" and still not set? Huh?
with_gnu_ld=no
else
with_gnu_ld=$ac_cv_prog_gnu_ld
fi
fi
# Start by getting the version number. I think the libtool test already
# does some of this, but throws away the result.
libat_ld_is_gold=no
if $LD --version 2>/dev/null | grep 'GNU gold'> /dev/null 2>&1; then
libat_ld_is_gold=yes
fi
libat_ld_is_lld=no
if $LD --version 2>/dev/null | grep 'LLD '> /dev/null 2>&1; then
libat_ld_is_lld=yes
fi
changequote(,)
ldver=`$LD --version 2>/dev/null |
sed -e 's/GNU gold /GNU ld /;s/GNU ld version /GNU ld /;s/GNU ld ([^)]*) /GNU ld /;s/GNU ld \([0-9.][0-9.]*\).*/\1/; q'`
changequote([,])
libat_gnu_ld_version=`echo $ldver | \
$AWK -F. '{ if (NF<3) [$]3=0; print ([$]1*100+[$]2)*100+[$]3 }'`
# Set --gc-sections.
if test "$with_gnu_ld" = "notbroken"; then
# GNU ld it is! Joy and bunny rabbits!
# All these tests are for C++; save the language and the compiler flags.
# Need to do this so that g++ won't try to link in libstdc++
ac_test_CFLAGS="${CFLAGS+set}"
ac_save_CFLAGS="$CFLAGS"
CFLAGS='-x c++ -Wl,--gc-sections'
# Check for -Wl,--gc-sections
# XXX This test is broken at the moment, as symbols required for linking
# are now in libsupc++ (not built yet). In addition, this test has
# cored on solaris in the past. In addition, --gc-sections doesn't
# really work at the moment (keeps on discarding used sections, first
# .eh_frame and now some of the glibc sections for iconv).
# Bzzzzt. Thanks for playing, maybe next time.
AC_MSG_CHECKING([for ld that supports -Wl,--gc-sections])
AC_TRY_RUN([
int main(void)
{
try { throw 1; }
catch (...) { };
return 0;
}
], [ac_sectionLDflags=yes],[ac_sectionLDflags=no], [ac_sectionLDflags=yes])
if test "$ac_test_CFLAGS" = set; then
CFLAGS="$ac_save_CFLAGS"
else
# this is the suspicious part
CFLAGS=''
fi
if test "$ac_sectionLDflags" = "yes"; then
SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS"
fi
AC_MSG_RESULT($ac_sectionLDflags)
fi
# Set linker optimization flags.
if test x"$with_gnu_ld" = x"yes"; then
OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS"
fi
AC_SUBST(SECTION_LDFLAGS)
AC_SUBST(OPT_LDFLAGS)
])
dnl
dnl Add version tags to symbols in shared library (or not), additionally
dnl marking other symbols as private/local (or not).
dnl
dnl --enable-symvers=style adds a version script to the linker call when
dnl creating the shared library. The choice of version script is
dnl controlled by 'style'.
dnl --disable-symvers does not.
dnl + Usage: LIBFFI_ENABLE_SYMVERS[(DEFAULT)]
dnl Where DEFAULT is either 'yes' or 'no'. Passing `yes' tries to
dnl choose a default style based on linker characteristics. Passing
dnl 'no' disables versioning.
dnl
AC_DEFUN([LIBFFI_ENABLE_SYMVERS], [
LIBFFI_ENABLE(symvers,yes,[=STYLE],
[enables symbol versioning of the shared library],
[permit yes|no|gnu*|sun])
# If we never went through the LIBFFI_CHECK_LINKER_FEATURES macro, then we
# don't know enough about $LD to do tricks...
AC_REQUIRE([LIBFFI_CHECK_LINKER_FEATURES])
# Turn a 'yes' into a suitable default.
if test x$enable_symvers = xyes ; then
# FIXME The following test is too strict, in theory.
if test $enable_shared = no || test "x$LD" = x; then
enable_symvers=no
else
if test $with_gnu_ld = yes ; then
enable_symvers=gnu
else
case ${target_os} in
# Sun symbol versioning exists since Solaris 2.5.
solaris2.[[5-9]]* | solaris2.1[[0-9]]*)
enable_symvers=sun ;;
*)
enable_symvers=no ;;
esac
fi
fi
fi
# Check if 'sun' was requested on non-Solaris 2 platforms.
if test x$enable_symvers = xsun ; then
case ${target_os} in
solaris2*)
# All fine.
;;
*)
# Unlikely to work.
AC_MSG_WARN([=== You have requested Sun symbol versioning, but])
AC_MSG_WARN([=== you are not targetting Solaris 2.])
AC_MSG_WARN([=== Symbol versioning will be disabled.])
enable_symvers=no
;;
esac
fi
# Check to see if libgcc_s exists, indicating that shared libgcc is possible.
if test $enable_symvers != no; then
AC_MSG_CHECKING([for shared libgcc])
ac_save_CFLAGS="$CFLAGS"
CFLAGS=' -lgcc_s'
AC_TRY_LINK(, [return 0;], libat_shared_libgcc=yes, libat_shared_libgcc=no)
CFLAGS="$ac_save_CFLAGS"
if test $libat_shared_libgcc = no; then
cat > conftest.c <<EOF
int main (void) { return 0; }
EOF
changequote(,)dnl
libat_libgcc_s_suffix=`${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS \
-shared -shared-libgcc -o conftest.so \
conftest.c -v 2>&1 >/dev/null \
| sed -n 's/^.* -lgcc_s\([^ ]*\) .*$/\1/p'`
changequote([,])dnl
rm -f conftest.c conftest.so
if test x${libat_libgcc_s_suffix+set} = xset; then
CFLAGS=" -lgcc_s$libat_libgcc_s_suffix"
AC_TRY_LINK(, [return 0;], libat_shared_libgcc=yes)
CFLAGS="$ac_save_CFLAGS"
fi
fi
AC_MSG_RESULT($libat_shared_libgcc)
fi
# For GNU ld, we need at least this version. The format is described in
# LIBFFI_CHECK_LINKER_FEATURES above.
libat_min_gnu_ld_version=21400
# XXXXXXXXXXX libat_gnu_ld_version=21390
# Check to see if unspecified "yes" value can win, given results above.
# Change "yes" into either "no" or a style name.
if test $enable_symvers != no && test $libat_shared_libgcc = yes; then
if test $with_gnu_ld = yes; then
if test $libat_gnu_ld_version -ge $libat_min_gnu_ld_version ; then
enable_symvers=gnu
elif test $libat_ld_is_gold = yes ; then
enable_symvers=gnu
elif test $libat_ld_is_lld = yes ; then
enable_symvers=gnu
else
# The right tools, the right setup, but too old. Fallbacks?
AC_MSG_WARN(=== Linker version $libat_gnu_ld_version is too old for)
AC_MSG_WARN(=== full symbol versioning support in this release of GCC.)
AC_MSG_WARN(=== You would need to upgrade your binutils to version)
AC_MSG_WARN(=== $libat_min_gnu_ld_version or later and rebuild GCC.)
if test $libat_gnu_ld_version -ge 21200 ; then
# Globbing fix is present, proper block support is not.
dnl AC_MSG_WARN([=== Dude, you are soooo close. Maybe we can fake it.])
dnl enable_symvers=???
AC_MSG_WARN([=== Symbol versioning will be disabled.])
enable_symvers=no
else
# 2.11 or older.
AC_MSG_WARN([=== Symbol versioning will be disabled.])
enable_symvers=no
fi
fi
elif test $enable_symvers = sun; then
: All interesting versions of Sun ld support sun style symbol versioning.
else
# just fail for now
AC_MSG_WARN([=== You have requested some kind of symbol versioning, but])
AC_MSG_WARN([=== either you are not using a supported linker, or you are])
AC_MSG_WARN([=== not building a shared libgcc_s (which is required).])
AC_MSG_WARN([=== Symbol versioning will be disabled.])
enable_symvers=no
fi
fi
if test $enable_symvers = gnu; then
AC_DEFINE(LIBFFI_GNU_SYMBOL_VERSIONING, 1,
[Define to 1 if GNU symbol versioning is used for libatomic.])
fi
AM_CONDITIONAL(LIBFFI_BUILD_VERSIONED_SHLIB, test $enable_symvers != no)
AM_CONDITIONAL(LIBFFI_BUILD_VERSIONED_SHLIB_GNU, test $enable_symvers = gnu)
AM_CONDITIONAL(LIBFFI_BUILD_VERSIONED_SHLIB_SUN, test $enable_symvers = sun)
AC_MSG_NOTICE(versioning on shared library symbols is $enable_symvers)
])
aclocal.m4
Vendored
+2118
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compile
Executable
+348
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@@ -0,0 +1,348 @@
#! /bin/sh
# Wrapper for compilers which do not understand '-c -o'.
scriptversion=2018-03-07.03; # UTC
# Copyright (C) 1999-2018 Free Software Foundation, Inc.
# Written by Tom Tromey <tromey@cygnus.com>.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.
# This file is maintained in Automake, please report
# bugs to <bug-automake@gnu.org> or send patches to
# <automake-patches@gnu.org>.
nl='
'
# We need space, tab and new line, in precisely that order. Quoting is
# there to prevent tools from complaining about whitespace usage.
IFS=" "" $nl"
file_conv=
# func_file_conv build_file lazy
# Convert a $build file to $host form and store it in $file
# Currently only supports Windows hosts. If the determined conversion
# type is listed in (the comma separated) LAZY, no conversion will
# take place.
func_file_conv ()
{
file=$1
case $file in
/ | /[!/]*) # absolute file, and not a UNC file
if test -z "$file_conv"; then
# lazily determine how to convert abs files
case `uname -s` in
MINGW*)
file_conv=mingw
;;
CYGWIN*)
file_conv=cygwin
;;
*)
file_conv=wine
;;
esac
fi
case $file_conv/,$2, in
*,$file_conv,*)
;;
mingw/*)
file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'`
;;
cygwin/*)
file=`cygpath -m "$file" || echo "$file"`
;;
wine/*)
file=`winepath -w "$file" || echo "$file"`
;;
esac
;;
esac
}
# func_cl_dashL linkdir
# Make cl look for libraries in LINKDIR
func_cl_dashL ()
{
func_file_conv "$1"
if test -z "$lib_path"; then
lib_path=$file
else
lib_path="$lib_path;$file"
fi
linker_opts="$linker_opts -LIBPATH:$file"
}
# func_cl_dashl library
# Do a library search-path lookup for cl
func_cl_dashl ()
{
lib=$1
found=no
save_IFS=$IFS
IFS=';'
for dir in $lib_path $LIB
do
IFS=$save_IFS
if $shared && test -f "$dir/$lib.dll.lib"; then
found=yes
lib=$dir/$lib.dll.lib
break
fi
if test -f "$dir/$lib.lib"; then
found=yes
lib=$dir/$lib.lib
break
fi
if test -f "$dir/lib$lib.a"; then
found=yes
lib=$dir/lib$lib.a
break
fi
done
IFS=$save_IFS
if test "$found" != yes; then
lib=$lib.lib
fi
}
# func_cl_wrapper cl arg...
# Adjust compile command to suit cl
func_cl_wrapper ()
{
# Assume a capable shell
lib_path=
shared=:
linker_opts=
for arg
do
if test -n "$eat"; then
eat=
else
case $1 in
-o)
# configure might choose to run compile as 'compile cc -o foo foo.c'.
eat=1
case $2 in
*.o | *.[oO][bB][jJ])
func_file_conv "$2"
set x "$@" -Fo"$file"
shift
;;
*)
func_file_conv "$2"
set x "$@" -Fe"$file"
shift
;;
esac
;;
-I)
eat=1
func_file_conv "$2" mingw
set x "$@" -I"$file"
shift
;;
-I*)
func_file_conv "${1#-I}" mingw
set x "$@" -I"$file"
shift
;;
-l)
eat=1
func_cl_dashl "$2"
set x "$@" "$lib"
shift
;;
-l*)
func_cl_dashl "${1#-l}"
set x "$@" "$lib"
shift
;;
-L)
eat=1
func_cl_dashL "$2"
;;
-L*)
func_cl_dashL "${1#-L}"
;;
-static)
shared=false
;;
-Wl,*)
arg=${1#-Wl,}
save_ifs="$IFS"; IFS=','
for flag in $arg; do
IFS="$save_ifs"
linker_opts="$linker_opts $flag"
done
IFS="$save_ifs"
;;
-Xlinker)
eat=1
linker_opts="$linker_opts $2"
;;
-*)
set x "$@" "$1"
shift
;;
*.cc | *.CC | *.cxx | *.CXX | *.[cC]++)
func_file_conv "$1"
set x "$@" -Tp"$file"
shift
;;
*.c | *.cpp | *.CPP | *.lib | *.LIB | *.Lib | *.OBJ | *.obj | *.[oO])
func_file_conv "$1" mingw
set x "$@" "$file"
shift
;;
*)
set x "$@" "$1"
shift
;;
esac
fi
shift
done
if test -n "$linker_opts"; then
linker_opts="-link$linker_opts"
fi
exec "$@" $linker_opts
exit 1
}
eat=
case $1 in
'')
echo "$0: No command. Try '$0 --help' for more information." 1>&2
exit 1;
;;
-h | --h*)
cat <<\EOF
Usage: compile [--help] [--version] PROGRAM [ARGS]
Wrapper for compilers which do not understand '-c -o'.
Remove '-o dest.o' from ARGS, run PROGRAM with the remaining
arguments, and rename the output as expected.
If you are trying to build a whole package this is not the
right script to run: please start by reading the file 'INSTALL'.
Report bugs to <bug-automake@gnu.org>.
EOF
exit $?
;;
-v | --v*)
echo "compile $scriptversion"
exit $?
;;
cl | *[/\\]cl | cl.exe | *[/\\]cl.exe | \
icl | *[/\\]icl | icl.exe | *[/\\]icl.exe )
func_cl_wrapper "$@" # Doesn't return...
;;
esac
ofile=
cfile=
for arg
do
if test -n "$eat"; then
eat=
else
case $1 in
-o)
# configure might choose to run compile as 'compile cc -o foo foo.c'.
# So we strip '-o arg' only if arg is an object.
eat=1
case $2 in
*.o | *.obj)
ofile=$2
;;
*)
set x "$@" -o "$2"
shift
;;
esac
;;
*.c)
cfile=$1
set x "$@" "$1"
shift
;;
*)
set x "$@" "$1"
shift
;;
esac
fi
shift
done
if test -z "$ofile" || test -z "$cfile"; then
# If no '-o' option was seen then we might have been invoked from a
# pattern rule where we don't need one. That is ok -- this is a
# normal compilation that the losing compiler can handle. If no
# '.c' file was seen then we are probably linking. That is also
# ok.
exec "$@"
fi
# Name of file we expect compiler to create.
cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'`
# Create the lock directory.
# Note: use '[/\\:.-]' here to ensure that we don't use the same name
# that we are using for the .o file. Also, base the name on the expected
# object file name, since that is what matters with a parallel build.
lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d
while true; do
if mkdir "$lockdir" >/dev/null 2>&1; then
break
fi
sleep 1
done
# FIXME: race condition here if user kills between mkdir and trap.
trap "rmdir '$lockdir'; exit 1" 1 2 15
# Run the compile.
"$@"
ret=$?
if test -f "$cofile"; then
test "$cofile" = "$ofile" || mv "$cofile" "$ofile"
elif test -f "${cofile}bj"; then
test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile"
fi
rmdir "$lockdir"
exit $ret
# Local Variables:
# mode: shell-script
# sh-indentation: 2
# eval: (add-hook 'before-save-hook 'time-stamp)
# time-stamp-start: "scriptversion="
# time-stamp-format: "%:y-%02m-%02d.%02H"
# time-stamp-time-zone: "UTC0"
# time-stamp-end: "; # UTC"
# End:
config.guess
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+1466
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config.sub
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+1836
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configure
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+21915
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configure.ac
+394
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@@ -0,0 +1,394 @@
dnl Process this with autoconf to create configure
AC_PREREQ(2.68)
AC_INIT([libffi], [3.3], [http://github.com/libffi/libffi/issues])
AC_CONFIG_HEADERS([fficonfig.h])
AC_CANONICAL_SYSTEM
target_alias=${target_alias-$host_alias}
case "${host}" in
frv*-elf)
LDFLAGS=`echo $LDFLAGS | sed "s/\-B[^ ]*libgloss\/frv\///"`\ -B`pwd`/../libgloss/frv/
;;
esac
AX_ENABLE_BUILDDIR
AM_INIT_AUTOMAKE
# The same as in boehm-gc and libstdc++. Have to borrow it from there.
# We must force CC to /not/ be precious variables; otherwise
# the wrong, non-multilib-adjusted value will be used in multilibs.
# As a side effect, we have to subst CFLAGS ourselves.
# Also save and restore CFLAGS, since AC_PROG_CC will come up with
# defaults of its own if none are provided.
m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS])
m4_define([_AC_ARG_VAR_PRECIOUS],[])
save_CFLAGS=$CFLAGS
AC_PROG_CC
AC_PROG_CXX
CFLAGS=$save_CFLAGS
m4_undefine([_AC_ARG_VAR_PRECIOUS])
m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
AC_SUBST(CFLAGS)
AM_PROG_AS
AM_PROG_CC_C_O
AC_PROG_LIBTOOL
AC_CONFIG_MACRO_DIR([m4])
# Test for 64-bit build.
AC_CHECK_SIZEOF([size_t])
AX_COMPILER_VENDOR
AX_CC_MAXOPT
# The AX_CFLAGS_WARN_ALL macro doesn't currently work for sunpro
# compiler.
if test "$ax_cv_c_compiler_vendor" != "sun"; then
AX_CFLAGS_WARN_ALL
fi
if test "x$GCC" = "xyes"; then
CFLAGS="$CFLAGS -fexceptions"
fi
cat > local.exp <<EOF
set CC_FOR_TARGET "$CC"
set CXX_FOR_TARGET "$CXX"
EOF
AM_MAINTAINER_MODE
AC_CHECK_HEADERS(sys/mman.h)
AC_CHECK_FUNCS([mmap mkostemp])
AC_FUNC_MMAP_BLACKLIST
dnl The -no-testsuite modules omit the test subdir.
AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite)
TARGETDIR="unknown"
HAVE_LONG_DOUBLE_VARIANT=0
. ${srcdir}/configure.host
if test -n "${UNSUPPORTED}"; then
AC_MSG_ERROR(["libffi has not been ported to $host."])
fi
AC_SUBST(AM_RUNTESTFLAGS)
AC_SUBST(AM_LTLDFLAGS)
AC_HEADER_STDC
AC_CHECK_FUNCS(memcpy)
AC_FUNC_ALLOCA
AC_CHECK_SIZEOF(double)
AC_CHECK_SIZEOF(long double)
# Also AC_SUBST this variable for ffi.h.
if test -z "$HAVE_LONG_DOUBLE"; then
HAVE_LONG_DOUBLE=0
if test $ac_cv_sizeof_long_double != 0; then
if test $HAVE_LONG_DOUBLE_VARIANT != 0; then
AC_DEFINE(HAVE_LONG_DOUBLE_VARIANT, 1, [Define if you support more than one size of the long double type])
HAVE_LONG_DOUBLE=1
else
if test $ac_cv_sizeof_double != $ac_cv_sizeof_long_double; then
HAVE_LONG_DOUBLE=1
AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define if you have the long double type and it is bigger than a double])
fi
fi
fi
fi
AC_SUBST(HAVE_LONG_DOUBLE)
AC_SUBST(HAVE_LONG_DOUBLE_VARIANT)
AC_C_BIGENDIAN
GCC_AS_CFI_PSEUDO_OP
case "$TARGET" in
SPARC)
AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs],
libffi_cv_as_sparc_ua_pcrel, [
save_CFLAGS="$CFLAGS"
save_LDFLAGS="$LDFLAGS"
CFLAGS="$CFLAGS -fpic"
LDFLAGS="$LDFLAGS -shared"
AC_TRY_LINK([asm (".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo); .text");],,
[libffi_cv_as_sparc_ua_pcrel=yes],
[libffi_cv_as_sparc_ua_pcrel=no])
CFLAGS="$save_CFLAGS"
LDFLAGS="$save_LDFLAGS"])
if test "x$libffi_cv_as_sparc_ua_pcrel" = xyes; then
AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
[Define if your assembler and linker support unaligned PC relative relocs.])
fi
AC_CACHE_CHECK([assembler .register pseudo-op support],
libffi_cv_as_register_pseudo_op, [
libffi_cv_as_register_pseudo_op=unknown
# Check if we have .register
AC_TRY_COMPILE(,[asm (".register %g2, #scratch");],
[libffi_cv_as_register_pseudo_op=yes],
[libffi_cv_as_register_pseudo_op=no])
])
if test "x$libffi_cv_as_register_pseudo_op" = xyes; then
AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
[Define if your assembler supports .register.])
fi
;;
X86*)
AC_CACHE_CHECK([assembler supports pc related relocs],
libffi_cv_as_x86_pcrel, [
libffi_cv_as_x86_pcrel=no
echo '.text; foo: nop; .data; .long foo-.; .text' > conftest.s
if $CC $CFLAGS -c conftest.s > /dev/null 2>&1; then
libffi_cv_as_x86_pcrel=yes
fi
])
if test "x$libffi_cv_as_x86_pcrel" = xyes; then
AC_DEFINE(HAVE_AS_X86_PCREL, 1,
[Define if your assembler supports PC relative relocs.])
fi
;;
S390)
AC_CACHE_CHECK([compiler uses zarch features],
libffi_cv_as_s390_zarch, [
libffi_cv_as_s390_zarch=no
echo 'void foo(void) { bar(); bar(); }' > conftest.c
if $CC $CFLAGS -S conftest.c > /dev/null 2>&1; then
if grep -q brasl conftest.s; then
libffi_cv_as_s390_zarch=yes
fi
fi
])
if test "x$libffi_cv_as_s390_zarch" = xyes; then
AC_DEFINE(HAVE_AS_S390_ZARCH, 1,
[Define if the compiler uses zarch features.])
fi
;;
esac
# On PaX enable kernels that have MPROTECT enable we can't use PROT_EXEC.
AC_ARG_ENABLE(pax_emutramp,
[ --enable-pax_emutramp enable pax emulated trampolines, for we can't use PROT_EXEC],
if test "$enable_pax_emutramp" = "yes"; then
AC_DEFINE(FFI_MMAP_EXEC_EMUTRAMP_PAX, 1,
[Define this if you want to enable pax emulated trampolines])
fi)
LT_SYS_SYMBOL_USCORE
if test "x$sys_symbol_underscore" = xyes; then
AC_DEFINE(SYMBOL_UNDERSCORE, 1, [Define if symbols are underscored.])
fi
FFI_EXEC_TRAMPOLINE_TABLE=0
case "$target" in
*arm*-apple-* | aarch64-apple-*)
FFI_EXEC_TRAMPOLINE_TABLE=1
AC_DEFINE(FFI_EXEC_TRAMPOLINE_TABLE, 1,
[Cannot use PROT_EXEC on this target, so, we revert to
alternative means])
;;
*-apple-* | *-*-freebsd* | *-*-kfreebsd* | *-*-openbsd* | *-pc-solaris* | *-linux-android*)
AC_DEFINE(FFI_MMAP_EXEC_WRIT, 1,
[Cannot use malloc on this target, so, we revert to
alternative means])
;;
esac
AM_CONDITIONAL(FFI_EXEC_TRAMPOLINE_TABLE, test x$FFI_EXEC_TRAMPOLINE_TABLE = x1)
AC_SUBST(FFI_EXEC_TRAMPOLINE_TABLE)
if test x$TARGET = xX86_64; then
AC_CACHE_CHECK([toolchain supports unwind section type],
libffi_cv_as_x86_64_unwind_section_type, [
cat > conftest1.s << EOF
.text
.globl foo
foo:
jmp bar
.section .eh_frame,"a",@unwind
bar:
EOF
cat > conftest2.c << EOF
extern void foo();
int main(){foo();}
EOF
libffi_cv_as_x86_64_unwind_section_type=no
# we ensure that we can compile _and_ link an assembly file containing an @unwind section
# since the compiler can support it and not the linker (ie old binutils)
if $CC -Wa,--fatal-warnings $CFLAGS -c conftest1.s > /dev/null 2>&1 && \
$CC conftest2.c conftest1.o > /dev/null 2>&1 ; then
libffi_cv_as_x86_64_unwind_section_type=yes
fi
])
if test "x$libffi_cv_as_x86_64_unwind_section_type" = xyes; then
AC_DEFINE(HAVE_AS_X86_64_UNWIND_SECTION_TYPE, 1,
[Define if your assembler supports unwind section type.])
fi
fi
if test "x$GCC" = "xyes"; then
AC_CACHE_CHECK([whether .eh_frame section should be read-only],
libffi_cv_ro_eh_frame, [
libffi_cv_ro_eh_frame=no
echo 'extern void foo (void); void bar (void) { foo (); foo (); }' > conftest.c
if $CC $CFLAGS -c -fpic -fexceptions -o conftest.o conftest.c > /dev/null 2>&1; then
objdump -h conftest.o > conftest.dump 2>&1
libffi_eh_frame_line=`grep -n eh_frame conftest.dump | cut -d: -f 1`
if test "x$libffi_eh_frame_line" != "x"; then
libffi_test_line=`expr $libffi_eh_frame_line + 1`p
sed -n $libffi_test_line conftest.dump > conftest.line
if grep READONLY conftest.line > /dev/null; then
libffi_cv_ro_eh_frame=yes
fi
fi
fi
rm -f conftest.*
])
if test "x$libffi_cv_ro_eh_frame" = xyes; then
AC_DEFINE(HAVE_RO_EH_FRAME, 1,
[Define if .eh_frame sections should be read-only.])
AC_DEFINE(EH_FRAME_FLAGS, "a",
[Define to the flags needed for the .section .eh_frame directive. ])
else
AC_DEFINE(EH_FRAME_FLAGS, "aw",
[Define to the flags needed for the .section .eh_frame directive. ])
fi
AC_CACHE_CHECK([for __attribute__((visibility("hidden")))],
libffi_cv_hidden_visibility_attribute, [
echo 'int __attribute__ ((visibility ("hidden"))) foo (void) { return 1 ; }' > conftest.c
libffi_cv_hidden_visibility_attribute=no
if AC_TRY_COMMAND(${CC-cc} -Werror -S conftest.c -o conftest.s 1>&AS_MESSAGE_LOG_FD); then
if egrep '(\.hidden|\.private_extern).*foo' conftest.s >/dev/null; then
libffi_cv_hidden_visibility_attribute=yes
fi
fi
rm -f conftest.*
])
if test $libffi_cv_hidden_visibility_attribute = yes; then
AC_DEFINE(HAVE_HIDDEN_VISIBILITY_ATTRIBUTE, 1,
[Define if __attribute__((visibility("hidden"))) is supported.])
fi
fi
AC_ARG_ENABLE(docs,
AC_HELP_STRING([--disable-docs],
[Disable building of docs (default: no)]),
[enable_docs=no],
[enable_docs=yes])
AM_CONDITIONAL(BUILD_DOCS, [test x$enable_docs = xyes])
AH_BOTTOM([
#ifdef HAVE_HIDDEN_VISIBILITY_ATTRIBUTE
#ifdef LIBFFI_ASM
#ifdef __APPLE__
#define FFI_HIDDEN(name) .private_extern name
#else
#define FFI_HIDDEN(name) .hidden name
#endif
#else
#define FFI_HIDDEN __attribute__ ((visibility ("hidden")))
#endif
#else
#ifdef LIBFFI_ASM
#define FFI_HIDDEN(name)
#else
#define FFI_HIDDEN
#endif
#endif
])
AC_SUBST(TARGET)
AC_SUBST(TARGETDIR)
changequote(<,>)
TARGET_OBJ=
for i in $SOURCES; do
TARGET_OBJ="${TARGET_OBJ} src/${TARGETDIR}/"`echo $i | sed 's/[cS]$/lo/'`
done
changequote([,])
AC_SUBST(TARGET_OBJ)
AC_SUBST(SHELL)
AC_ARG_ENABLE(debug,
[ --enable-debug debugging mode],
if test "$enable_debug" = "yes"; then
AC_DEFINE(FFI_DEBUG, 1, [Define this if you want extra debugging.])
fi)
AM_CONDITIONAL(FFI_DEBUG, test "$enable_debug" = "yes")
AC_ARG_ENABLE(structs,
[ --disable-structs omit code for struct support],
if test "$enable_structs" = "no"; then
AC_DEFINE(FFI_NO_STRUCTS, 1, [Define this if you do not want support for aggregate types.])
fi)
AM_CONDITIONAL(FFI_DEBUG, test "$enable_debug" = "yes")
AC_ARG_ENABLE(raw-api,
[ --disable-raw-api make the raw api unavailable],
if test "$enable_raw_api" = "no"; then
AC_DEFINE(FFI_NO_RAW_API, 1, [Define this if you do not want support for the raw API.])
fi)
AC_ARG_ENABLE(purify-safety,
[ --enable-purify-safety purify-safe mode],
if test "$enable_purify_safety" = "yes"; then
AC_DEFINE(USING_PURIFY, 1, [Define this if you are using Purify and want to suppress spurious messages.])
fi)
AC_ARG_ENABLE(multi-os-directory,
[ --disable-multi-os-directory
disable use of gcc --print-multi-os-directory to change the library installation directory])
# These variables are only ever used when we cross-build to X86_WIN32.
# And we only support this with GCC, so...
if test "x$GCC" = "xyes"; then
if test -n "$with_cross_host" &&
test x"$with_cross_host" != x"no"; then
toolexecdir='${exec_prefix}'/'$(target_alias)'
toolexeclibdir='${toolexecdir}'/lib
else
toolexecdir='${libdir}'/gcc-lib/'$(target_alias)'
toolexeclibdir='${libdir}'
fi
if test x"$enable_multi_os_directory" != x"no"; then
multi_os_directory=`$CC $CFLAGS -print-multi-os-directory`
case $multi_os_directory in
.) ;; # Avoid trailing /.
../*) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;;
esac
fi
AC_SUBST(toolexecdir)
else
toolexeclibdir='${libdir}'
fi
AC_SUBST(toolexeclibdir)
# Check linker support.
LIBFFI_ENABLE_SYMVERS
AC_CONFIG_COMMANDS(include, [test -d include || mkdir include])
AC_CONFIG_COMMANDS(src, [
test -d src || mkdir src
test -d src/$TARGETDIR || mkdir src/$TARGETDIR
], [TARGETDIR="$TARGETDIR"])
AC_CONFIG_FILES(include/Makefile include/ffi.h Makefile testsuite/Makefile man/Makefile doc/Makefile libffi.pc)
AC_OUTPUT
# Copy this file instead of using AC_CONFIG_LINK in order to support
# compiling with MSVC, which won't understand cygwin style symlinks.
cp ${srcdir}/src/$TARGETDIR/ffitarget.h include/ffitarget.h
configure.host
+303
View File
@@ -0,0 +1,303 @@
# configure.host
#
# This shell script handles all host based configuration for libffi.
#
# THIS TABLE IS SORTED. KEEP IT THAT WAY.
# Most of the time we can define all the variables all at once...
case "${host}" in
aarch64*-*-cygwin* | aarch64*-*-mingw* | aarch64*-*-win* )
TARGET=ARM_WIN64; TARGETDIR=aarch64
MSVC=1
;;
aarch64*-*-*)
TARGET=AARCH64; TARGETDIR=aarch64
SOURCES="ffi.c sysv.S"
;;
alpha*-*-*)
TARGET=ALPHA; TARGETDIR=alpha;
# Support 128-bit long double, changeable via command-line switch.
HAVE_LONG_DOUBLE='defined(__LONG_DOUBLE_128__)'
SOURCES="ffi.c osf.S"
;;
arc*-*-*)
TARGET=ARC; TARGETDIR=arc
SOURCES="ffi.c arcompact.S"
;;
arm*-*-cygwin* | arm*-*-mingw* | arm*-*-win* )
TARGET=ARM_WIN32; TARGETDIR=arm
MSVC=1
;;
arm*-*-*)
TARGET=ARM; TARGETDIR=arm
SOURCES="ffi.c sysv.S"
;;
avr32*-*-*)
TARGET=AVR32; TARGETDIR=avr32
SOURCES="ffi.c sysv.S"
;;
bfin*)
TARGET=BFIN; TARGETDIR=bfin
SOURCES="ffi.c sysv.S"
;;
cris-*-*)
TARGET=LIBFFI_CRIS; TARGETDIR=cris
SOURCES="ffi.c sysv.S"
;;
frv-*-*)
TARGET=FRV; TARGETDIR=frv
SOURCES="ffi.c eabi.S"
;;
hppa*-*-linux* | parisc*-*-linux* | hppa*-*-openbsd*)
TARGET=PA_LINUX; TARGETDIR=pa
SOURCES="ffi.c linux.S"
;;
hppa*64-*-hpux*)
TARGET=PA64_HPUX; TARGETDIR=pa
;;
hppa*-*-hpux*)
TARGET=PA_HPUX; TARGETDIR=pa
SOURCES="ffi.c hpux32.S"
;;
i?86-*-freebsd* | i?86-*-openbsd*)
TARGET=X86_FREEBSD; TARGETDIR=x86
;;
i?86-*-cygwin* | i?86-*-mingw* | i?86-*-win* | i?86-*-os2* | i?86-*-interix* \
| x86_64-*-cygwin* | x86_64-*-mingw* | x86_64-*-win* )
TARGETDIR=x86
if test $ac_cv_sizeof_size_t = 4; then
TARGET=X86_WIN32
else
TARGET=X86_WIN64
fi
if test "${ax_cv_c_compiler_vendor}" = "microsoft"; then
MSVC=1
fi
# All mingw/cygwin/win32 builds require -no-undefined for sharedlib.
# We must also check with_cross_host to decide if this is a native
# or cross-build and select where to install dlls appropriately.
if test -n "$with_cross_host" &&
test x"$with_cross_host" != x"no"; then
AM_LTLDFLAGS='-no-undefined -bindir "$(toolexeclibdir)"';
else
AM_LTLDFLAGS='-no-undefined -bindir "$(bindir)"';
fi
;;
i?86-*-darwin* | x86_64-*-darwin* | i?86-*-ios | x86_64-*-ios)
TARGETDIR=x86
if test $ac_cv_sizeof_size_t = 4; then
TARGET=X86_DARWIN
else
TARGET=X86_64
fi
;;
i?86-*-* | x86_64-*-* | amd64-*)
TARGETDIR=x86
if test $ac_cv_sizeof_size_t = 4; then
case "$host" in
x86_64-*x32|x86_64-x32-*)
TARGET_X32=yes
TARGET=X86_64
;;
*)
echo 'int foo (void) { return __x86_64__; }' > conftest.c
if $CC $CFLAGS -Werror -S conftest.c -o conftest.s > /dev/null 2>&1; then
TARGET_X32=yes
TARGET=X86_64
else
TARGET=X86;
fi
rm -f conftest.*
;;
esac
else
TARGET=X86_64;
fi
;;
ia64*-*-*)
TARGET=IA64; TARGETDIR=ia64
SOURCES="ffi.c unix.S"
;;
m32r*-*-*)
TARGET=M32R; TARGETDIR=m32r
SOURCES="ffi.c sysv.S"
;;
m68k-*-*)
TARGET=M68K; TARGETDIR=m68k
SOURCES="ffi.c sysv.S"
;;
m88k-*-*)
TARGET=M88K; TARGETDIR=m88k
SOURCES="ffi.c obsd.S"
;;
microblaze*-*-*)
TARGET=MICROBLAZE; TARGETDIR=microblaze
SOURCES="ffi.c sysv.S"
;;
moxie-*-*)
TARGET=MOXIE; TARGETDIR=moxie
SOURCES="ffi.c eabi.S"
;;
metag-*-*)
TARGET=METAG; TARGETDIR=metag
SOURCES="ffi.c sysv.S"
;;
mips-sgi-irix5.* | mips-sgi-irix6.* | mips*-*-rtems*)
TARGET=MIPS; TARGETDIR=mips
;;
mips*-*linux* | mips*-*-openbsd*)
# Support 128-bit long double for NewABI.
HAVE_LONG_DOUBLE='defined(__mips64)'
TARGET=MIPS; TARGETDIR=mips
;;
nios2*-linux*)
TARGET=NIOS2; TARGETDIR=nios2
SOURCES="ffi.c sysv.S"
;;
or1k*-*-*)
TARGET=OR1K; TARGETDIR=or1k
SOURCES="ffi.c sysv.S"
;;
powerpc*-*-linux* | powerpc-*-sysv*)
TARGET=POWERPC; TARGETDIR=powerpc
HAVE_LONG_DOUBLE_VARIANT=1
;;
powerpc-*-amigaos*)
TARGET=POWERPC; TARGETDIR=powerpc
;;
powerpc-*-beos*)
TARGET=POWERPC; TARGETDIR=powerpc
;;
powerpc-*-darwin* | powerpc64-*-darwin*)
TARGET=POWERPC_DARWIN; TARGETDIR=powerpc
;;
powerpc-*-aix* | rs6000-*-aix*)
TARGET=POWERPC_AIX; TARGETDIR=powerpc
;;
powerpc-*-freebsd* | powerpc-*-openbsd* | powerpc-*-netbsd*)
TARGET=POWERPC_FREEBSD; TARGETDIR=powerpc
HAVE_LONG_DOUBLE_VARIANT=1
;;
powerpc64-*-freebsd*)
TARGET=POWERPC; TARGETDIR=powerpc
;;
powerpc*-*-rtems*)
TARGET=POWERPC; TARGETDIR=powerpc
;;
riscv*-*)
TARGET=RISCV; TARGETDIR=riscv
SOURCES="ffi.c sysv.S"
;;
s390-*-* | s390x-*-*)
TARGET=S390; TARGETDIR=s390
SOURCES="ffi.c sysv.S"
;;
sh-*-* | sh[34]*-*-*)
TARGET=SH; TARGETDIR=sh
SOURCES="ffi.c sysv.S"
;;
sh64-*-* | sh5*-*-*)
TARGET=SH64; TARGETDIR=sh64
SOURCES="ffi.c sysv.S"
;;
sparc*-*-*)
TARGET=SPARC; TARGETDIR=sparc
SOURCES="ffi.c ffi64.c v8.S v9.S"
;;
tile*-*)
TARGET=TILE; TARGETDIR=tile
SOURCES="ffi.c tile.S"
;;
vax-*-*)
TARGET=VAX; TARGETDIR=vax
SOURCES="ffi.c elfbsd.S"
;;
xtensa*-*)
TARGET=XTENSA; TARGETDIR=xtensa
SOURCES="ffi.c sysv.S"
;;
esac
# ... but some of the cases above share configury.
case "${TARGET}" in
ARM_WIN32)
SOURCES="ffi.c sysv_msvc_arm32.S"
;;
ARM_WIN64)
SOURCES="ffi.c win64_armasm.S"
;;
MIPS)
SOURCES="ffi.c o32.S n32.S"
;;
POWERPC)
SOURCES="ffi.c ffi_sysv.c ffi_linux64.c sysv.S ppc_closure.S"
SOURCES="${SOURCES} linux64.S linux64_closure.S"
;;
POWERPC_AIX)
SOURCES="ffi_darwin.c aix.S aix_closure.S"
;;
POWERPC_DARWIN)
SOURCES="ffi_darwin.c darwin.S darwin_closure.S"
;;
POWERPC_FREEBSD)
SOURCES="ffi.c ffi_sysv.c sysv.S ppc_closure.S"
;;
X86 | X86_DARWIN | X86_FREEBSD | X86_WIN32)
if test "$MSVC" = 1; then
SOURCES="ffi.c sysv_intel.S"
else
SOURCES="ffi.c sysv.S"
fi
;;
X86_64)
if test x"$TARGET_X32" = xyes; then
SOURCES="ffi64.c unix64.S"
else
SOURCES="ffi64.c unix64.S ffiw64.c win64.S"
fi
;;
X86_WIN64)
if test "$MSVC" = 1; then
SOURCES="ffiw64.c win64_intel.S"
else
SOURCES="ffiw64.c win64.S"
fi
;;
esac
# If we failed to configure SOURCES, we can't do anything.
if test -z "${SOURCES}"; then
UNSUPPORTED=1
fi
depcomp
Executable
+791
View File
@@ -0,0 +1,791 @@
#! /bin/sh
# depcomp - compile a program generating dependencies as side-effects
scriptversion=2018-03-07.03; # UTC
# Copyright (C) 1999-2018 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.
# Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
case $1 in
'')
echo "$0: No command. Try '$0 --help' for more information." 1>&2
exit 1;
;;
-h | --h*)
cat <<\EOF
Usage: depcomp [--help] [--version] PROGRAM [ARGS]
Run PROGRAMS ARGS to compile a file, generating dependencies
as side-effects.
Environment variables:
depmode Dependency tracking mode.
source Source file read by 'PROGRAMS ARGS'.
object Object file output by 'PROGRAMS ARGS'.
DEPDIR directory where to store dependencies.
depfile Dependency file to output.
tmpdepfile Temporary file to use when outputting dependencies.
libtool Whether libtool is used (yes/no).
Report bugs to <bug-automake@gnu.org>.
EOF
exit $?
;;
-v | --v*)
echo "depcomp $scriptversion"
exit $?
;;
esac
# Get the directory component of the given path, and save it in the
# global variables '$dir'. Note that this directory component will
# be either empty or ending with a '/' character. This is deliberate.
set_dir_from ()
{
case $1 in
*/*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;;
*) dir=;;
esac
}
# Get the suffix-stripped basename of the given path, and save it the
# global variable '$base'.
set_base_from ()
{
base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'`
}
# If no dependency file was actually created by the compiler invocation,
# we still have to create a dummy depfile, to avoid errors with the
# Makefile "include basename.Plo" scheme.
make_dummy_depfile ()
{
echo "#dummy" > "$depfile"
}
# Factor out some common post-processing of the generated depfile.
# Requires the auxiliary global variable '$tmpdepfile' to be set.
aix_post_process_depfile ()
{
# If the compiler actually managed to produce a dependency file,
# post-process it.
if test -f "$tmpdepfile"; then
# Each line is of the form 'foo.o: dependency.h'.
# Do two passes, one to just change these to
# $object: dependency.h
# and one to simply output
# dependency.h:
# which is needed to avoid the deleted-header problem.
{ sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile"
sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile"
} > "$depfile"
rm -f "$tmpdepfile"
else
make_dummy_depfile
fi
}
# A tabulation character.
tab=' '
# A newline character.
nl='
'
# Character ranges might be problematic outside the C locale.
# These definitions help.
upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ
lower=abcdefghijklmnopqrstuvwxyz
digits=0123456789
alpha=${upper}${lower}
if test -z "$depmode" || test -z "$source" || test -z "$object"; then
echo "depcomp: Variables source, object and depmode must be set" 1>&2
exit 1
fi
# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
depfile=${depfile-`echo "$object" |
sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
rm -f "$tmpdepfile"
# Avoid interferences from the environment.
gccflag= dashmflag=
# Some modes work just like other modes, but use different flags. We
# parameterize here, but still list the modes in the big case below,
# to make depend.m4 easier to write. Note that we *cannot* use a case
# here, because this file can only contain one case statement.
if test "$depmode" = hp; then
# HP compiler uses -M and no extra arg.
gccflag=-M
depmode=gcc
fi
if test "$depmode" = dashXmstdout; then
# This is just like dashmstdout with a different argument.
dashmflag=-xM
depmode=dashmstdout
fi
cygpath_u="cygpath -u -f -"
if test "$depmode" = msvcmsys; then
# This is just like msvisualcpp but w/o cygpath translation.
# Just convert the backslash-escaped backslashes to single forward
# slashes to satisfy depend.m4
cygpath_u='sed s,\\\\,/,g'
depmode=msvisualcpp
fi
if test "$depmode" = msvc7msys; then
# This is just like msvc7 but w/o cygpath translation.
# Just convert the backslash-escaped backslashes to single forward
# slashes to satisfy depend.m4
cygpath_u='sed s,\\\\,/,g'
depmode=msvc7
fi
if test "$depmode" = xlc; then
# IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information.
gccflag=-qmakedep=gcc,-MF
depmode=gcc
fi
case "$depmode" in
gcc3)
## gcc 3 implements dependency tracking that does exactly what
## we want. Yay! Note: for some reason libtool 1.4 doesn't like
## it if -MD -MP comes after the -MF stuff. Hmm.
## Unfortunately, FreeBSD c89 acceptance of flags depends upon
## the command line argument order; so add the flags where they
## appear in depend2.am. Note that the slowdown incurred here
## affects only configure: in makefiles, %FASTDEP% shortcuts this.
for arg
do
case $arg in
-c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;;
*) set fnord "$@" "$arg" ;;
esac
shift # fnord
shift # $arg
done
"$@"
stat=$?
if test $stat -ne 0; then
rm -f "$tmpdepfile"
exit $stat
fi
mv "$tmpdepfile" "$depfile"
;;
gcc)
## Note that this doesn't just cater to obsosete pre-3.x GCC compilers.
## but also to in-use compilers like IMB xlc/xlC and the HP C compiler.
## (see the conditional assignment to $gccflag above).
## There are various ways to get dependency output from gcc. Here's
## why we pick this rather obscure method:
## - Don't want to use -MD because we'd like the dependencies to end
## up in a subdir. Having to rename by hand is ugly.
## (We might end up doing this anyway to support other compilers.)
## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
## -MM, not -M (despite what the docs say). Also, it might not be
## supported by the other compilers which use the 'gcc' depmode.
## - Using -M directly means running the compiler twice (even worse
## than renaming).
if test -z "$gccflag"; then
gccflag=-MD,
fi
"$@" -Wp,"$gccflag$tmpdepfile"
stat=$?
if test $stat -ne 0; then
rm -f "$tmpdepfile"
exit $stat
fi
rm -f "$depfile"
echo "$object : \\" > "$depfile"
# The second -e expression handles DOS-style file names with drive
# letters.
sed -e 's/^[^:]*: / /' \
-e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
## This next piece of magic avoids the "deleted header file" problem.
## The problem is that when a header file which appears in a .P file
## is deleted, the dependency causes make to die (because there is
## typically no way to rebuild the header). We avoid this by adding
## dummy dependencies for each header file. Too bad gcc doesn't do
## this for us directly.
## Some versions of gcc put a space before the ':'. On the theory
## that the space means something, we add a space to the output as
## well. hp depmode also adds that space, but also prefixes the VPATH
## to the object. Take care to not repeat it in the output.
## Some versions of the HPUX 10.20 sed can't process this invocation
## correctly. Breaking it into two sed invocations is a workaround.
tr ' ' "$nl" < "$tmpdepfile" \
| sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \
| sed -e 's/$/ :/' >> "$depfile"
rm -f "$tmpdepfile"
;;
hp)
# This case exists only to let depend.m4 do its work. It works by
# looking at the text of this script. This case will never be run,
# since it is checked for above.
exit 1
;;
sgi)
if test "$libtool" = yes; then
"$@" "-Wp,-MDupdate,$tmpdepfile"
else
"$@" -MDupdate "$tmpdepfile"
fi
stat=$?
if test $stat -ne 0; then
rm -f "$tmpdepfile"
exit $stat
fi
rm -f "$depfile"
if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files
echo "$object : \\" > "$depfile"
# Clip off the initial element (the dependent). Don't try to be
# clever and replace this with sed code, as IRIX sed won't handle
# lines with more than a fixed number of characters (4096 in
# IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines;
# the IRIX cc adds comments like '#:fec' to the end of the
# dependency line.
tr ' ' "$nl" < "$tmpdepfile" \
| sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \
| tr "$nl" ' ' >> "$depfile"
echo >> "$depfile"
# The second pass generates a dummy entry for each header file.
tr ' ' "$nl" < "$tmpdepfile" \
| sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
>> "$depfile"
else
make_dummy_depfile
fi
rm -f "$tmpdepfile"
;;
xlc)
# This case exists only to let depend.m4 do its work. It works by
# looking at the text of this script. This case will never be run,
# since it is checked for above.
exit 1
;;
aix)
# The C for AIX Compiler uses -M and outputs the dependencies
# in a .u file. In older versions, this file always lives in the
# current directory. Also, the AIX compiler puts '$object:' at the
# start of each line; $object doesn't have directory information.
# Version 6 uses the directory in both cases.
set_dir_from "$object"
set_base_from "$object"
if test "$libtool" = yes; then
tmpdepfile1=$dir$base.u
tmpdepfile2=$base.u
tmpdepfile3=$dir.libs/$base.u
"$@" -Wc,-M
else
tmpdepfile1=$dir$base.u
tmpdepfile2=$dir$base.u
tmpdepfile3=$dir$base.u
"$@" -M
fi
stat=$?
if test $stat -ne 0; then
rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
exit $stat
fi
for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
do
test -f "$tmpdepfile" && break
done
aix_post_process_depfile
;;
tcc)
# tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26
# FIXME: That version still under development at the moment of writing.
# Make that this statement remains true also for stable, released
# versions.
# It will wrap lines (doesn't matter whether long or short) with a
# trailing '\', as in:
#
# foo.o : \
# foo.c \
# foo.h \
#
# It will put a trailing '\' even on the last line, and will use leading
# spaces rather than leading tabs (at least since its commit 0394caf7
# "Emit spaces for -MD").
"$@" -MD -MF "$tmpdepfile"
stat=$?
if test $stat -ne 0; then
rm -f "$tmpdepfile"
exit $stat
fi
rm -f "$depfile"
# Each non-empty line is of the form 'foo.o : \' or ' dep.h \'.
# We have to change lines of the first kind to '$object: \'.
sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile"
# And for each line of the second kind, we have to emit a 'dep.h:'
# dummy dependency, to avoid the deleted-header problem.
sed -n -e 's|^ *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile"
rm -f "$tmpdepfile"
;;
## The order of this option in the case statement is important, since the
## shell code in configure will try each of these formats in the order
## listed in this file. A plain '-MD' option would be understood by many
## compilers, so we must ensure this comes after the gcc and icc options.
pgcc)
# Portland's C compiler understands '-MD'.
# Will always output deps to 'file.d' where file is the root name of the
# source file under compilation, even if file resides in a subdirectory.
# The object file name does not affect the name of the '.d' file.
# pgcc 10.2 will output
# foo.o: sub/foo.c sub/foo.h
# and will wrap long lines using '\' :
# foo.o: sub/foo.c ... \
# sub/foo.h ... \
# ...
set_dir_from "$object"
# Use the source, not the object, to determine the base name, since
# that's sadly what pgcc will do too.
set_base_from "$source"
tmpdepfile=$base.d
# For projects that build the same source file twice into different object
# files, the pgcc approach of using the *source* file root name can cause
# problems in parallel builds. Use a locking strategy to avoid stomping on
# the same $tmpdepfile.
lockdir=$base.d-lock
trap "
echo '$0: caught signal, cleaning up...' >&2
rmdir '$lockdir'
exit 1
" 1 2 13 15
numtries=100
i=$numtries
while test $i -gt 0; do
# mkdir is a portable test-and-set.
if mkdir "$lockdir" 2>/dev/null; then
# This process acquired the lock.
"$@" -MD
stat=$?
# Release the lock.
rmdir "$lockdir"
break
else
# If the lock is being held by a different process, wait
# until the winning process is done or we timeout.
while test -d "$lockdir" && test $i -gt 0; do
sleep 1
i=`expr $i - 1`
done
fi
i=`expr $i - 1`
done
trap - 1 2 13 15
if test $i -le 0; then
echo "$0: failed to acquire lock after $numtries attempts" >&2
echo "$0: check lockdir '$lockdir'" >&2
exit 1
fi
if test $stat -ne 0; then
rm -f "$tmpdepfile"
exit $stat
fi
rm -f "$depfile"
# Each line is of the form `foo.o: dependent.h',
# or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
# Do two passes, one to just change these to
# `$object: dependent.h' and one to simply `dependent.h:'.
sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
# Some versions of the HPUX 10.20 sed can't process this invocation
# correctly. Breaking it into two sed invocations is a workaround.
sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \
| sed -e 's/$/ :/' >> "$depfile"
rm -f "$tmpdepfile"
;;
hp2)
# The "hp" stanza above does not work with aCC (C++) and HP's ia64
# compilers, which have integrated preprocessors. The correct option
# to use with these is +Maked; it writes dependencies to a file named
# 'foo.d', which lands next to the object file, wherever that
# happens to be.
# Much of this is similar to the tru64 case; see comments there.
set_dir_from "$object"
set_base_from "$object"
if test "$libtool" = yes; then
tmpdepfile1=$dir$base.d
tmpdepfile2=$dir.libs/$base.d
"$@" -Wc,+Maked
else
tmpdepfile1=$dir$base.d
tmpdepfile2=$dir$base.d
"$@" +Maked
fi
stat=$?
if test $stat -ne 0; then
rm -f "$tmpdepfile1" "$tmpdepfile2"
exit $stat
fi
for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2"
do
test -f "$tmpdepfile" && break
done
if test -f "$tmpdepfile"; then
sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile"
# Add 'dependent.h:' lines.
sed -ne '2,${
s/^ *//
s/ \\*$//
s/$/:/
p
}' "$tmpdepfile" >> "$depfile"
else
make_dummy_depfile
fi
rm -f "$tmpdepfile" "$tmpdepfile2"
;;
tru64)
# The Tru64 compiler uses -MD to generate dependencies as a side
# effect. 'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'.
# At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
# dependencies in 'foo.d' instead, so we check for that too.
# Subdirectories are respected.
set_dir_from "$object"
set_base_from "$object"
if test "$libtool" = yes; then
# Libtool generates 2 separate objects for the 2 libraries. These
# two compilations output dependencies in $dir.libs/$base.o.d and
# in $dir$base.o.d. We have to check for both files, because
# one of the two compilations can be disabled. We should prefer
# $dir$base.o.d over $dir.libs/$base.o.d because the latter is
# automatically cleaned when .libs/ is deleted, while ignoring
# the former would cause a distcleancheck panic.
tmpdepfile1=$dir$base.o.d # libtool 1.5
tmpdepfile2=$dir.libs/$base.o.d # Likewise.
tmpdepfile3=$dir.libs/$base.d # Compaq CCC V6.2-504
"$@" -Wc,-MD
else
tmpdepfile1=$dir$base.d
tmpdepfile2=$dir$base.d
tmpdepfile3=$dir$base.d
"$@" -MD
fi
stat=$?
if test $stat -ne 0; then
rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
exit $stat
fi
for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
do
test -f "$tmpdepfile" && break
done
# Same post-processing that is required for AIX mode.
aix_post_process_depfile
;;
msvc7)
if test "$libtool" = yes; then
showIncludes=-Wc,-showIncludes
else
showIncludes=-showIncludes
fi
"$@" $showIncludes > "$tmpdepfile"
stat=$?
grep -v '^Note: including file: ' "$tmpdepfile"
if test $stat -ne 0; then
rm -f "$tmpdepfile"
exit $stat
fi
rm -f "$depfile"
echo "$object : \\" > "$depfile"
# The first sed program below extracts the file names and escapes
# backslashes for cygpath. The second sed program outputs the file
# name when reading, but also accumulates all include files in the
# hold buffer in order to output them again at the end. This only
# works with sed implementations that can handle large buffers.
sed < "$tmpdepfile" -n '
/^Note: including file: *\(.*\)/ {
s//\1/
s/\\/\\\\/g
p
}' | $cygpath_u | sort -u | sed -n '
s/ /\\ /g
s/\(.*\)/'"$tab"'\1 \\/p
s/.\(.*\) \\/\1:/
H
$ {
s/.*/'"$tab"'/
G
p
}' >> "$depfile"
echo >> "$depfile" # make sure the fragment doesn't end with a backslash
rm -f "$tmpdepfile"
;;
msvc7msys)
# This case exists only to let depend.m4 do its work. It works by
# looking at the text of this script. This case will never be run,
# since it is checked for above.
exit 1
;;
#nosideeffect)
# This comment above is used by automake to tell side-effect
# dependency tracking mechanisms from slower ones.
dashmstdout)
# Important note: in order to support this mode, a compiler *must*
# always write the preprocessed file to stdout, regardless of -o.
"$@" || exit $?
# Remove the call to Libtool.
if test "$libtool" = yes; then
while test "X$1" != 'X--mode=compile'; do
shift
done
shift
fi
# Remove '-o $object'.
IFS=" "
for arg
do
case $arg in
-o)
shift
;;
$object)
shift
;;
*)
set fnord "$@" "$arg"
shift # fnord
shift # $arg
;;
esac
done
test -z "$dashmflag" && dashmflag=-M
# Require at least two characters before searching for ':'
# in the target name. This is to cope with DOS-style filenames:
# a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise.
"$@" $dashmflag |
sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile"
rm -f "$depfile"
cat < "$tmpdepfile" > "$depfile"
# Some versions of the HPUX 10.20 sed can't process this sed invocation
# correctly. Breaking it into two sed invocations is a workaround.
tr ' ' "$nl" < "$tmpdepfile" \
| sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
| sed -e 's/$/ :/' >> "$depfile"
rm -f "$tmpdepfile"
;;
dashXmstdout)
# This case only exists to satisfy depend.m4. It is never actually
# run, as this mode is specially recognized in the preamble.
exit 1
;;
makedepend)
"$@" || exit $?
# Remove any Libtool call
if test "$libtool" = yes; then
while test "X$1" != 'X--mode=compile'; do
shift
done
shift
fi
# X makedepend
shift
cleared=no eat=no
for arg
do
case $cleared in
no)
set ""; shift
cleared=yes ;;
esac
if test $eat = yes; then
eat=no
continue
fi
case "$arg" in
-D*|-I*)
set fnord "$@" "$arg"; shift ;;
# Strip any option that makedepend may not understand. Remove
# the object too, otherwise makedepend will parse it as a source file.
-arch)
eat=yes ;;
-*|$object)
;;
*)
set fnord "$@" "$arg"; shift ;;
esac
done
obj_suffix=`echo "$object" | sed 's/^.*\././'`
touch "$tmpdepfile"
${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
rm -f "$depfile"
# makedepend may prepend the VPATH from the source file name to the object.
# No need to regex-escape $object, excess matching of '.' is harmless.
sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile"
# Some versions of the HPUX 10.20 sed can't process the last invocation
# correctly. Breaking it into two sed invocations is a workaround.
sed '1,2d' "$tmpdepfile" \
| tr ' ' "$nl" \
| sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
| sed -e 's/$/ :/' >> "$depfile"
rm -f "$tmpdepfile" "$tmpdepfile".bak
;;
cpp)
# Important note: in order to support this mode, a compiler *must*
# always write the preprocessed file to stdout.
"$@" || exit $?
# Remove the call to Libtool.
if test "$libtool" = yes; then
while test "X$1" != 'X--mode=compile'; do
shift
done
shift
fi
# Remove '-o $object'.
IFS=" "
for arg
do
case $arg in
-o)
shift
;;
$object)
shift
;;
*)
set fnord "$@" "$arg"
shift # fnord
shift # $arg
;;
esac
done
"$@" -E \
| sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
-e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
| sed '$ s: \\$::' > "$tmpdepfile"
rm -f "$depfile"
echo "$object : \\" > "$depfile"
cat < "$tmpdepfile" >> "$depfile"
sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
rm -f "$tmpdepfile"
;;
msvisualcpp)
# Important note: in order to support this mode, a compiler *must*
# always write the preprocessed file to stdout.
"$@" || exit $?
# Remove the call to Libtool.
if test "$libtool" = yes; then
while test "X$1" != 'X--mode=compile'; do
shift
done
shift
fi
IFS=" "
for arg
do
case "$arg" in
-o)
shift
;;
$object)
shift
;;
"-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
set fnord "$@"
shift
shift
;;
*)
set fnord "$@" "$arg"
shift
shift
;;
esac
done
"$@" -E 2>/dev/null |
sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile"
rm -f "$depfile"
echo "$object : \\" > "$depfile"
sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile"
echo "$tab" >> "$depfile"
sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"
rm -f "$tmpdepfile"
;;
msvcmsys)
# This case exists only to let depend.m4 do its work. It works by
# looking at the text of this script. This case will never be run,
# since it is checked for above.
exit 1
;;
none)
exec "$@"
;;
*)
echo "Unknown depmode $depmode" 1>&2
exit 1
;;
esac
exit 0
# Local Variables:
# mode: shell-script
# sh-indentation: 2
# eval: (add-hook 'before-save-hook 'time-stamp)
# time-stamp-start: "scriptversion="
# time-stamp-format: "%:y-%02m-%02d.%02H"
# time-stamp-time-zone: "UTC0"
# time-stamp-end: "; # UTC"
# End:
doc/Makefile.am
+3
View File
@@ -0,0 +1,3 @@
## Process this with automake to create Makefile.in
info_TEXINFOS = libffi.texi
doc/Makefile.in
+814
View File
@@ -0,0 +1,814 @@
# Makefile.in generated by automake 1.16.1 from Makefile.am.
# @configure_input@
# Copyright (C) 1994-2018 Free Software Foundation, Inc.
# This Makefile.in is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE.
@SET_MAKE@
VPATH = @srcdir@
am__is_gnu_make = { \
if test -z '$(MAKELEVEL)'; then \
false; \
elif test -n '$(MAKE_HOST)'; then \
true; \
elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
true; \
else \
false; \
fi; \
}
am__make_running_with_option = \
case $${target_option-} in \
?) ;; \
*) echo "am__make_running_with_option: internal error: invalid" \
"target option '$${target_option-}' specified" >&2; \
exit 1;; \
esac; \
has_opt=no; \
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\input texinfo @c -*-texinfo-*-
@c %**start of header
@setfilename libffi.info
@include version.texi
@settitle libffi: the portable foreign function interface library
@setchapternewpage off
@c %**end of header
@c Merge the standard indexes into a single one.
@syncodeindex fn cp
@syncodeindex vr cp
@syncodeindex ky cp
@syncodeindex pg cp
@syncodeindex tp cp
@copying
This manual is for libffi, a portable foreign function interface
library.
Copyright @copyright{} 2008--2019 Anthony Green and Red Hat, Inc.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
``Software''), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
@end copying
@dircategory Development
@direntry
* libffi: (libffi). Portable foreign function interface library.
@end direntry
@titlepage
@title libffi: a foreign function interface library
@subtitle For Version @value{VERSION} of libffi
@author Anthony Green
@page
@vskip 0pt plus 1filll
@insertcopying
@end titlepage
@ifnottex
@node Top
@top libffi
@insertcopying
@menu
* Introduction:: What is libffi?
* Using libffi:: How to use libffi.
* Missing Features:: Things libffi can't do.
* Index:: Index.
@end menu
@end ifnottex
@node Introduction
@chapter What is libffi?
Compilers for high level languages generate code that follow certain
conventions. These conventions are necessary, in part, for separate
compilation to work. One such convention is the @dfn{calling
convention}. The calling convention is a set of assumptions made by
the compiler about where function arguments will be found on entry to
a function. A calling convention also specifies where the return
value for a function is found. The calling convention is also
sometimes called the @dfn{ABI} or @dfn{Application Binary Interface}.
@cindex calling convention
@cindex ABI
@cindex Application Binary Interface
Some programs may not know at the time of compilation what arguments
are to be passed to a function. For instance, an interpreter may be
told at run-time about the number and types of arguments used to call
a given function. @samp{Libffi} can be used in such programs to
provide a bridge from the interpreter program to compiled code.
The @samp{libffi} library provides a portable, high level programming
interface to various calling conventions. This allows a programmer to
call any function specified by a call interface description at run
time.
@acronym{FFI} stands for Foreign Function Interface. A foreign
function interface is the popular name for the interface that allows
code written in one language to call code written in another language.
The @samp{libffi} library really only provides the lowest, machine
dependent layer of a fully featured foreign function interface. A
layer must exist above @samp{libffi} that handles type conversions for
values passed between the two languages.
@cindex FFI
@cindex Foreign Function Interface
@node Using libffi
@chapter Using libffi
@menu
* The Basics:: The basic libffi API.
* Simple Example:: A simple example.
* Types:: libffi type descriptions.
* Multiple ABIs:: Different passing styles on one platform.
* The Closure API:: Writing a generic function.
* Closure Example:: A closure example.
* Thread Safety:: Thread safety.
@end menu
@node The Basics
@section The Basics
@samp{Libffi} assumes that you have a pointer to the function you wish
to call and that you know the number and types of arguments to pass
it, as well as the return type of the function.
The first thing you must do is create an @code{ffi_cif} object that
matches the signature of the function you wish to call. This is a
separate step because it is common to make multiple calls using a
single @code{ffi_cif}. The @dfn{cif} in @code{ffi_cif} stands for
Call InterFace. To prepare a call interface object, use the function
@code{ffi_prep_cif}.
@cindex cif
@findex ffi_prep_cif
@defun ffi_status ffi_prep_cif (ffi_cif *@var{cif}, ffi_abi @var{abi}, unsigned int @var{nargs}, ffi_type *@var{rtype}, ffi_type **@var{argtypes})
This initializes @var{cif} according to the given parameters.
@var{abi} is the ABI to use; normally @code{FFI_DEFAULT_ABI} is what
you want. @ref{Multiple ABIs} for more information.
@var{nargs} is the number of arguments that this function accepts.
@var{rtype} is a pointer to an @code{ffi_type} structure that
describes the return type of the function. @xref{Types}.
@var{argtypes} is a vector of @code{ffi_type} pointers.
@var{argtypes} must have @var{nargs} elements. If @var{nargs} is 0,
this argument is ignored.
@code{ffi_prep_cif} returns a @code{libffi} status code, of type
@code{ffi_status}. This will be either @code{FFI_OK} if everything
worked properly; @code{FFI_BAD_TYPEDEF} if one of the @code{ffi_type}
objects is incorrect; or @code{FFI_BAD_ABI} if the @var{abi} parameter
is invalid.
@end defun
If the function being called is variadic (varargs) then
@code{ffi_prep_cif_var} must be used instead of @code{ffi_prep_cif}.
@findex ffi_prep_cif_var
@defun ffi_status ffi_prep_cif_var (ffi_cif *@var{cif}, ffi_abi @var{abi}, unsigned int @var{nfixedargs}, unsigned int @var{ntotalargs}, ffi_type *@var{rtype}, ffi_type **@var{argtypes})
This initializes @var{cif} according to the given parameters for
a call to a variadic function. In general its operation is the
same as for @code{ffi_prep_cif} except that:
@var{nfixedargs} is the number of fixed arguments, prior to any
variadic arguments. It must be greater than zero.
@var{ntotalargs} the total number of arguments, including variadic
and fixed arguments. @var{argtypes} must have this many elements.
Note that, different cif's must be prepped for calls to the same
function when different numbers of arguments are passed.
Also note that a call to @code{ffi_prep_cif_var} with
@var{nfixedargs}=@var{nototalargs} is NOT equivalent to a call to
@code{ffi_prep_cif}.
@end defun
Note that the resulting @code{ffi_cif} holds pointers to all the
@code{ffi_type} objects that were used during initialization. You
must ensure that these type objects have a lifetime at least as long
as that of the @code{ffi_cif}.
To call a function using an initialized @code{ffi_cif}, use the
@code{ffi_call} function:
@findex ffi_call
@defun void ffi_call (ffi_cif *@var{cif}, void *@var{fn}, void *@var{rvalue}, void **@var{avalues})
This calls the function @var{fn} according to the description given in
@var{cif}. @var{cif} must have already been prepared using
@code{ffi_prep_cif}.
@var{rvalue} is a pointer to a chunk of memory that will hold the
result of the function call. This must be large enough to hold the
result, no smaller than the system register size (generally 32 or 64
bits), and must be suitably aligned; it is the caller's responsibility
to ensure this. If @var{cif} declares that the function returns
@code{void} (using @code{ffi_type_void}), then @var{rvalue} is
ignored.
In most situations, @samp{libffi} will handle promotion according to
the ABI. However, for historical reasons, there is a special case
with return values that must be handled by your code. In particular,
for integral (not @code{struct}) types that are narrower than the
system register size, the return value will be widened by
@samp{libffi}. @samp{libffi} provides a type, @code{ffi_arg}, that
can be used as the return type. For example, if the CIF was defined
with a return type of @code{char}, @samp{libffi} will try to store a
full @code{ffi_arg} into the return value.
@var{avalues} is a vector of @code{void *} pointers that point to the
memory locations holding the argument values for a call. If @var{cif}
declares that the function has no arguments (i.e., @var{nargs} was 0),
then @var{avalues} is ignored. Note that argument values may be
modified by the callee (for instance, structs passed by value); the
burden of copying pass-by-value arguments is placed on the caller.
Note that while the return value must be register-sized, arguments
should exactly match their declared type. For example, if an argument
is a @code{short}, then the entry in @var{avalues} should point to an
object declared as @code{short}; but if the return type is
@code{short}, then @var{rvalue} should point to an object declared as
a larger type -- usually @code{ffi_arg}.
@end defun
@node Simple Example
@section Simple Example
Here is a trivial example that calls @code{puts} a few times.
@example
#include <stdio.h>
#include <ffi.h>
int main()
@{
ffi_cif cif;
ffi_type *args[1];
void *values[1];
char *s;
ffi_arg rc;
/* Initialize the argument info vectors */
args[0] = &ffi_type_pointer;
values[0] = &s;
/* Initialize the cif */
if (ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
&ffi_type_sint, args) == FFI_OK)
@{
s = "Hello World!";
ffi_call(&cif, puts, &rc, values);
/* rc now holds the result of the call to puts */
/* values holds a pointer to the function's arg, so to
call puts() again all we need to do is change the
value of s */
s = "This is cool!";
ffi_call(&cif, puts, &rc, values);
@}
return 0;
@}
@end example
@node Types
@section Types
@menu
* Primitive Types:: Built-in types.
* Structures:: Structure types.
* Size and Alignment:: Size and alignment of types.
* Arrays Unions Enums:: Arrays, unions, and enumerations.
* Type Example:: Structure type example.
* Complex:: Complex types.
* Complex Type Example:: Complex type example.
@end menu
@node Primitive Types
@subsection Primitive Types
@code{Libffi} provides a number of built-in type descriptors that can
be used to describe argument and return types:
@table @code
@item ffi_type_void
@tindex ffi_type_void
The type @code{void}. This cannot be used for argument types, only
for return values.
@item ffi_type_uint8
@tindex ffi_type_uint8
An unsigned, 8-bit integer type.
@item ffi_type_sint8
@tindex ffi_type_sint8
A signed, 8-bit integer type.
@item ffi_type_uint16
@tindex ffi_type_uint16
An unsigned, 16-bit integer type.
@item ffi_type_sint16
@tindex ffi_type_sint16
A signed, 16-bit integer type.
@item ffi_type_uint32
@tindex ffi_type_uint32
An unsigned, 32-bit integer type.
@item ffi_type_sint32
@tindex ffi_type_sint32
A signed, 32-bit integer type.
@item ffi_type_uint64
@tindex ffi_type_uint64
An unsigned, 64-bit integer type.
@item ffi_type_sint64
@tindex ffi_type_sint64
A signed, 64-bit integer type.
@item ffi_type_float
@tindex ffi_type_float
The C @code{float} type.
@item ffi_type_double
@tindex ffi_type_double
The C @code{double} type.
@item ffi_type_uchar
@tindex ffi_type_uchar
The C @code{unsigned char} type.
@item ffi_type_schar
@tindex ffi_type_schar
The C @code{signed char} type. (Note that there is not an exact
equivalent to the C @code{char} type in @code{libffi}; ordinarily you
should either use @code{ffi_type_schar} or @code{ffi_type_uchar}
depending on whether @code{char} is signed.)
@item ffi_type_ushort
@tindex ffi_type_ushort
The C @code{unsigned short} type.
@item ffi_type_sshort
@tindex ffi_type_sshort
The C @code{short} type.
@item ffi_type_uint
@tindex ffi_type_uint
The C @code{unsigned int} type.
@item ffi_type_sint
@tindex ffi_type_sint
The C @code{int} type.
@item ffi_type_ulong
@tindex ffi_type_ulong
The C @code{unsigned long} type.
@item ffi_type_slong
@tindex ffi_type_slong
The C @code{long} type.
@item ffi_type_longdouble
@tindex ffi_type_longdouble
On platforms that have a C @code{long double} type, this is defined.
On other platforms, it is not.
@item ffi_type_pointer
@tindex ffi_type_pointer
A generic @code{void *} pointer. You should use this for all
pointers, regardless of their real type.
@item ffi_type_complex_float
@tindex ffi_type_complex_float
The C @code{_Complex float} type.
@item ffi_type_complex_double
@tindex ffi_type_complex_double
The C @code{_Complex double} type.
@item ffi_type_complex_longdouble
@tindex ffi_type_complex_longdouble
The C @code{_Complex long double} type.
On platforms that have a C @code{long double} type, this is defined.
On other platforms, it is not.
@end table
Each of these is of type @code{ffi_type}, so you must take the address
when passing to @code{ffi_prep_cif}.
@node Structures
@subsection Structures
@samp{libffi} is perfectly happy passing structures back and forth.
You must first describe the structure to @samp{libffi} by creating a
new @code{ffi_type} object for it.
@tindex ffi_type
@deftp {Data type} ffi_type
The @code{ffi_type} has the following members:
@table @code
@item size_t size
This is set by @code{libffi}; you should initialize it to zero.
@item unsigned short alignment
This is set by @code{libffi}; you should initialize it to zero.
@item unsigned short type
For a structure, this should be set to @code{FFI_TYPE_STRUCT}.
@item ffi_type **elements
This is a @samp{NULL}-terminated array of pointers to @code{ffi_type}
objects. There is one element per field of the struct.
Note that @samp{libffi} has no special support for bit-fields. You
must manage these manually.
@end table
@end deftp
The @code{size} and @code{alignment} fields will be filled in by
@code{ffi_prep_cif} or @code{ffi_prep_cif_var}, as needed.
@node Size and Alignment
@subsection Size and Alignment
@code{libffi} will set the @code{size} and @code{alignment} fields of
an @code{ffi_type} object for you. It does so using its knowledge of
the ABI.
You might expect that you can simply read these fields for a type that
has been laid out by @code{libffi}. However, there are some caveats.
@itemize @bullet
@item
The size or alignment of some of the built-in types may vary depending
on the chosen ABI.
@item
The size and alignment of a new structure type will not be set by
@code{libffi} until it has been passed to @code{ffi_prep_cif} or
@code{ffi_get_struct_offsets}.
@item
A structure type cannot be shared across ABIs. Instead each ABI needs
its own copy of the structure type.
@end itemize
So, before examining these fields, it is safest to pass the
@code{ffi_type} object to @code{ffi_prep_cif} or
@code{ffi_get_struct_offsets} first. This function will do all the
needed setup.
@example
ffi_type *desired_type;
ffi_abi desired_abi;
@dots{}
ffi_cif cif;
if (ffi_prep_cif (&cif, desired_abi, 0, desired_type, NULL) == FFI_OK)
@{
size_t size = desired_type->size;
unsigned short alignment = desired_type->alignment;
@}
@end example
@code{libffi} also provides a way to get the offsets of the members of
a structure.
@findex ffi_get_struct_offsets
@defun ffi_status ffi_get_struct_offsets (ffi_abi abi, ffi_type *struct_type, size_t *offsets)
Compute the offset of each element of the given structure type.
@var{abi} is the ABI to use; this is needed because in some cases the
layout depends on the ABI.
@var{offsets} is an out parameter. The caller is responsible for
providing enough space for all the results to be written -- one
element per element type in @var{struct_type}. If @var{offsets} is
@code{NULL}, then the type will be laid out but not otherwise
modified. This can be useful for accessing the type's size or layout,
as mentioned above.
This function returns @code{FFI_OK} on success; @code{FFI_BAD_ABI} if
@var{abi} is invalid; or @code{FFI_BAD_TYPEDEF} if @var{struct_type}
is invalid in some way. Note that only @code{FFI_STRUCT} types are
valid here.
@end defun
@node Arrays Unions Enums
@subsection Arrays, Unions, and Enumerations
@subsubsection Arrays
@samp{libffi} does not have direct support for arrays or unions.
However, they can be emulated using structures.
To emulate an array, simply create an @code{ffi_type} using
@code{FFI_TYPE_STRUCT} with as many members as there are elements in
the array.
@example
ffi_type array_type;
ffi_type **elements
int i;
elements = malloc ((n + 1) * sizeof (ffi_type *));
for (i = 0; i < n; ++i)
elements[i] = array_element_type;
elements[n] = NULL;
array_type.size = array_type.alignment = 0;
array_type.type = FFI_TYPE_STRUCT;
array_type.elements = elements;
@end example
Note that arrays cannot be passed or returned by value in C --
structure types created like this should only be used to refer to
members of real @code{FFI_TYPE_STRUCT} objects.
However, a phony array type like this will not cause any errors from
@samp{libffi} if you use it as an argument or return type. This may
be confusing.
@subsubsection Unions
A union can also be emulated using @code{FFI_TYPE_STRUCT}. In this
case, however, you must make sure that the size and alignment match
the real requirements of the union.
One simple way to do this is to ensue that each element type is laid
out. Then, give the new structure type a single element; the size of
the largest element; and the largest alignment seen as well.
This example uses the @code{ffi_prep_cif} trick to ensure that each
element type is laid out.
@example
ffi_abi desired_abi;
ffi_type union_type;
ffi_type **union_elements;
int i;
ffi_type element_types[2];
element_types[1] = NULL;
union_type.size = union_type.alignment = 0;
union_type.type = FFI_TYPE_STRUCT;
union_type.elements = element_types;
for (i = 0; union_elements[i]; ++i)
@{
ffi_cif cif;
if (ffi_prep_cif (&cif, desired_abi, 0, union_elements[i], NULL) == FFI_OK)
@{
if (union_elements[i]->size > union_type.size)
@{
union_type.size = union_elements[i];
size = union_elements[i]->size;
@}
if (union_elements[i]->alignment > union_type.alignment)
union_type.alignment = union_elements[i]->alignment;
@}
@}
@end example
@subsubsection Enumerations
@code{libffi} does not have any special support for C @code{enum}s.
Although any given @code{enum} is implemented using a specific
underlying integral type, exactly which type will be used cannot be
determined by @code{libffi} -- it may depend on the values in the
enumeration or on compiler flags such as @option{-fshort-enums}.
@xref{Structures unions enumerations and bit-fields implementation, , , gcc},
for more information about how GCC handles enumerations.
@node Type Example
@subsection Type Example
The following example initializes a @code{ffi_type} object
representing the @code{tm} struct from Linux's @file{time.h}.
Here is how the struct is defined:
@example
struct tm @{
int tm_sec;
int tm_min;
int tm_hour;
int tm_mday;
int tm_mon;
int tm_year;
int tm_wday;
int tm_yday;
int tm_isdst;
/* Those are for future use. */
long int __tm_gmtoff__;
__const char *__tm_zone__;
@};
@end example
Here is the corresponding code to describe this struct to
@code{libffi}:
@example
@{
ffi_type tm_type;
ffi_type *tm_type_elements[12];
int i;
tm_type.size = tm_type.alignment = 0;
tm_type.type = FFI_TYPE_STRUCT;
tm_type.elements = &tm_type_elements;
for (i = 0; i < 9; i++)
tm_type_elements[i] = &ffi_type_sint;
tm_type_elements[9] = &ffi_type_slong;
tm_type_elements[10] = &ffi_type_pointer;
tm_type_elements[11] = NULL;
/* tm_type can now be used to represent tm argument types and
return types for ffi_prep_cif() */
@}
@end example
@node Complex
@subsection Complex Types
@samp{libffi} supports the complex types defined by the C99
standard (@code{_Complex float}, @code{_Complex double} and
@code{_Complex long double} with the built-in type descriptors
@code{ffi_type_complex_float}, @code{ffi_type_complex_double} and
@code{ffi_type_complex_longdouble}.
Custom complex types like @code{_Complex int} can also be used.
An @code{ffi_type} object has to be defined to describe the
complex type to @samp{libffi}.
@tindex ffi_type
@deftp {Data type} ffi_type
@table @code
@item size_t size
This must be manually set to the size of the complex type.
@item unsigned short alignment
This must be manually set to the alignment of the complex type.
@item unsigned short type
For a complex type, this must be set to @code{FFI_TYPE_COMPLEX}.
@item ffi_type **elements
This is a @samp{NULL}-terminated array of pointers to
@code{ffi_type} objects. The first element is set to the
@code{ffi_type} of the complex's base type. The second element
must be set to @code{NULL}.
@end table
@end deftp
The section @ref{Complex Type Example} shows a way to determine
the @code{size} and @code{alignment} members in a platform
independent way.
For platforms that have no complex support in @code{libffi} yet,
the functions @code{ffi_prep_cif} and @code{ffi_prep_args} abort
the program if they encounter a complex type.
@node Complex Type Example
@subsection Complex Type Example
This example demonstrates how to use complex types:
@example
#include <stdio.h>
#include <ffi.h>
#include <complex.h>
void complex_fn(_Complex float cf,
_Complex double cd,
_Complex long double cld)
@{
printf("cf=%f+%fi\ncd=%f+%fi\ncld=%f+%fi\n",
(float)creal (cf), (float)cimag (cf),
(float)creal (cd), (float)cimag (cd),
(float)creal (cld), (float)cimag (cld));
@}
int main()
@{
ffi_cif cif;
ffi_type *args[3];
void *values[3];
_Complex float cf;
_Complex double cd;
_Complex long double cld;
/* Initialize the argument info vectors */
args[0] = &ffi_type_complex_float;
args[1] = &ffi_type_complex_double;
args[2] = &ffi_type_complex_longdouble;
values[0] = &cf;
values[1] = &cd;
values[2] = &cld;
/* Initialize the cif */
if (ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3,
&ffi_type_void, args) == FFI_OK)
@{
cf = 1.0 + 20.0 * I;
cd = 300.0 + 4000.0 * I;
cld = 50000.0 + 600000.0 * I;
/* Call the function */
ffi_call(&cif, (void (*)(void))complex_fn, 0, values);
@}
return 0;
@}
@end example
This is an example for defining a custom complex type descriptor
for compilers that support them:
@example
/*
* This macro can be used to define new complex type descriptors
* in a platform independent way.
*
* name: Name of the new descriptor is ffi_type_complex_<name>.
* type: The C base type of the complex type.
*/
#define FFI_COMPLEX_TYPEDEF(name, type, ffitype) \
static ffi_type *ffi_elements_complex_##name [2] = @{ \
(ffi_type *)(&ffitype), NULL \
@}; \
struct struct_align_complex_##name @{ \
char c; \
_Complex type x; \
@}; \
ffi_type ffi_type_complex_##name = @{ \
sizeof(_Complex type), \
offsetof(struct struct_align_complex_##name, x), \
FFI_TYPE_COMPLEX, \
(ffi_type **)ffi_elements_complex_##name \
@}
/* Define new complex type descriptors using the macro: */
/* ffi_type_complex_sint */
FFI_COMPLEX_TYPEDEF(sint, int, ffi_type_sint);
/* ffi_type_complex_uchar */
FFI_COMPLEX_TYPEDEF(uchar, unsigned char, ffi_type_uint8);
@end example
The new type descriptors can then be used like one of the built-in
type descriptors in the previous example.
@node Multiple ABIs
@section Multiple ABIs
A given platform may provide multiple different ABIs at once. For
instance, the x86 platform has both @samp{stdcall} and @samp{fastcall}
functions.
@code{libffi} provides some support for this. However, this is
necessarily platform-specific.
@c FIXME: document the platforms
@node The Closure API
@section The Closure API
@code{libffi} also provides a way to write a generic function -- a
function that can accept and decode any combination of arguments.
This can be useful when writing an interpreter, or to provide wrappers
for arbitrary functions.
This facility is called the @dfn{closure API}. Closures are not
supported on all platforms; you can check the @code{FFI_CLOSURES}
define to determine whether they are supported on the current
platform.
@cindex closures
@cindex closure API
@findex FFI_CLOSURES
Because closures work by assembling a tiny function at runtime, they
require special allocation on platforms that have a non-executable
heap. Memory management for closures is handled by a pair of
functions:
@findex ffi_closure_alloc
@defun void *ffi_closure_alloc (size_t @var{size}, void **@var{code})
Allocate a chunk of memory holding @var{size} bytes. This returns a
pointer to the writable address, and sets *@var{code} to the
corresponding executable address.
@var{size} should be sufficient to hold a @code{ffi_closure} object.
@end defun
@findex ffi_closure_free
@defun void ffi_closure_free (void *@var{writable})
Free memory allocated using @code{ffi_closure_alloc}. The argument is
the writable address that was returned.
@end defun
Once you have allocated the memory for a closure, you must construct a
@code{ffi_cif} describing the function call. Finally you can prepare
the closure function:
@findex ffi_prep_closure_loc
@defun ffi_status ffi_prep_closure_loc (ffi_closure *@var{closure}, ffi_cif *@var{cif}, void (*@var{fun}) (ffi_cif *@var{cif}, void *@var{ret}, void **@var{args}, void *@var{user_data}), void *@var{user_data}, void *@var{codeloc})
Prepare a closure function. The arguments to
@code{ffi_prep_closure_loc} are:
@table @var
@item closure
The address of a @code{ffi_closure} object; this is the writable
address returned by @code{ffi_closure_alloc}.
@item cif
The @code{ffi_cif} describing the function parameters. Note that this
object, and the types to which it refers, must be kept alive until the
closure itself is freed.
@item user_data
An arbitrary datum that is passed, uninterpreted, to your closure
function.
@item codeloc
The executable address returned by @code{ffi_closure_alloc}.
@item fun
The function which will be called when the closure is invoked. It is
called with the arguments:
@table @var
@item cif
The @code{ffi_cif} passed to @code{ffi_prep_closure_loc}.
@item ret
A pointer to the memory used for the function's return value.
If the function is declared as returning @code{void}, then this value
is garbage and should not be used.
Otherwise, @var{fun} must fill the object to which this points,
following the same special promotion behavior as @code{ffi_call}.
That is, in most cases, @var{ret} points to an object of exactly the
size of the type specified when @var{cif} was constructed. However,
integral types narrower than the system register size are widened. In
these cases your program may assume that @var{ret} points to an
@code{ffi_arg} object.
@item args
A vector of pointers to memory holding the arguments to the function.
@item user_data
The same @var{user_data} that was passed to
@code{ffi_prep_closure_loc}.
@end table
@end table
@code{ffi_prep_closure_loc} will return @code{FFI_OK} if everything
went ok, and one of the other @code{ffi_status} values on error.
After calling @code{ffi_prep_closure_loc}, you can cast @var{codeloc}
to the appropriate pointer-to-function type.
@end defun
You may see old code referring to @code{ffi_prep_closure}. This
function is deprecated, as it cannot handle the need for separate
writable and executable addresses.
@node Closure Example
@section Closure Example
A trivial example that creates a new @code{puts} by binding
@code{fputs} with @code{stdout}.
@example
#include <stdio.h>
#include <ffi.h>
/* Acts like puts with the file given at time of enclosure. */
void puts_binding(ffi_cif *cif, void *ret, void* args[],
void *stream)
@{
*(ffi_arg *)ret = fputs(*(char **)args[0], (FILE *)stream);
@}
typedef int (*puts_t)(char *);
int main()
@{
ffi_cif cif;
ffi_type *args[1];
ffi_closure *closure;
void *bound_puts;
int rc;
/* Allocate closure and bound_puts */
closure = ffi_closure_alloc(sizeof(ffi_closure), &bound_puts);
if (closure)
@{
/* Initialize the argument info vectors */
args[0] = &ffi_type_pointer;
/* Initialize the cif */
if (ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
&ffi_type_sint, args) == FFI_OK)
@{
/* Initialize the closure, setting stream to stdout */
if (ffi_prep_closure_loc(closure, &cif, puts_binding,
stdout, bound_puts) == FFI_OK)
@{
rc = ((puts_t)bound_puts)("Hello World!");
/* rc now holds the result of the call to fputs */
@}
@}
@}
/* Deallocate both closure, and bound_puts */
ffi_closure_free(closure);
return 0;
@}
@end example
@node Thread Safety
@section Thread Safety
@code{libffi} is not completely thread-safe. However, many parts are,
and if you follow some simple rules, you can use it safely in a
multi-threaded program.
@itemize @bullet
@item
@code{ffi_prep_cif} may modify the @code{ffi_type} objects passed to
it. It is best to ensure that only a single thread prepares a given
@code{ffi_cif} at a time.
@item
On some platforms, @code{ffi_prep_cif} may modify the size and
alignment of some types, depending on the chosen ABI. On these
platforms, if you switch between ABIs, you must ensure that there is
only one call to @code{ffi_prep_cif} at a time.
Currently the only affected platform is PowerPC and the only affected
type is @code{long double}.
@end itemize
@node Missing Features
@chapter Missing Features
@code{libffi} is missing a few features. We welcome patches to add
support for these.
@itemize @bullet
@item
Variadic closures.
@item
There is no support for bit fields in structures.
@item
The ``raw'' API is undocumented.
@c anything else?
@item
The Go API is undocumented.
@end itemize
Note that variadic support is very new and tested on a relatively
small number of platforms.
@node Index
@unnumbered Index
@printindex cp
@bye
doc/mdate-sh
Executable
+228
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@@ -0,0 +1,228 @@
#!/bin/sh
# Get modification time of a file or directory and pretty-print it.
scriptversion=2018-03-07.03; # UTC
# Copyright (C) 1995-2018 Free Software Foundation, Inc.
# written by Ulrich Drepper <drepper@gnu.ai.mit.edu>, June 1995
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.
# This file is maintained in Automake, please report
# bugs to <bug-automake@gnu.org> or send patches to
# <automake-patches@gnu.org>.
if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
emulate sh
NULLCMD=:
# Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
# is contrary to our usage. Disable this feature.
alias -g '${1+"$@"}'='"$@"'
setopt NO_GLOB_SUBST
fi
case $1 in
'')
echo "$0: No file. Try '$0 --help' for more information." 1>&2
exit 1;
;;
-h | --h*)
cat <<\EOF
Usage: mdate-sh [--help] [--version] FILE
Pretty-print the modification day of FILE, in the format:
1 January 1970
Report bugs to <bug-automake@gnu.org>.
EOF
exit $?
;;
-v | --v*)
echo "mdate-sh $scriptversion"
exit $?
;;
esac
error ()
{
echo "$0: $1" >&2
exit 1
}
# Prevent date giving response in another language.
LANG=C
export LANG
LC_ALL=C
export LC_ALL
LC_TIME=C
export LC_TIME
# Use UTC to get reproducible result.
TZ=UTC0
export TZ
# GNU ls changes its time format in response to the TIME_STYLE
# variable. Since we cannot assume 'unset' works, revert this
# variable to its documented default.
if test "${TIME_STYLE+set}" = set; then
TIME_STYLE=posix-long-iso
export TIME_STYLE
fi
save_arg1=$1
# Find out how to get the extended ls output of a file or directory.
if ls -L /dev/null 1>/dev/null 2>&1; then
ls_command='ls -L -l -d'
else
ls_command='ls -l -d'
fi
# Avoid user/group names that might have spaces, when possible.
if ls -n /dev/null 1>/dev/null 2>&1; then
ls_command="$ls_command -n"
fi
# A 'ls -l' line looks as follows on OS/2.
# drwxrwx--- 0 Aug 11 2001 foo
# This differs from Unix, which adds ownership information.
# drwxrwx--- 2 root root 4096 Aug 11 2001 foo
#
# To find the date, we split the line on spaces and iterate on words
# until we find a month. This cannot work with files whose owner is a
# user named "Jan", or "Feb", etc. However, it's unlikely that '/'
# will be owned by a user whose name is a month. So we first look at
# the extended ls output of the root directory to decide how many
# words should be skipped to get the date.
# On HPUX /bin/sh, "set" interprets "-rw-r--r--" as options, so the "x" below.
set x`$ls_command /`
# Find which argument is the month.
month=
command=
until test $month
do
test $# -gt 0 || error "failed parsing '$ls_command /' output"
shift
# Add another shift to the command.
command="$command shift;"
case $1 in
Jan) month=January; nummonth=1;;
Feb) month=February; nummonth=2;;
Mar) month=March; nummonth=3;;
Apr) month=April; nummonth=4;;
May) month=May; nummonth=5;;
Jun) month=June; nummonth=6;;
Jul) month=July; nummonth=7;;
Aug) month=August; nummonth=8;;
Sep) month=September; nummonth=9;;
Oct) month=October; nummonth=10;;
Nov) month=November; nummonth=11;;
Dec) month=December; nummonth=12;;
esac
done
test -n "$month" || error "failed parsing '$ls_command /' output"
# Get the extended ls output of the file or directory.
set dummy x`eval "$ls_command \"\\\$save_arg1\""`
# Remove all preceding arguments
eval $command
# Because of the dummy argument above, month is in $2.
#
# On a POSIX system, we should have
#
# $# = 5
# $1 = file size
# $2 = month
# $3 = day
# $4 = year or time
# $5 = filename
#
# On Darwin 7.7.0 and 7.6.0, we have
#
# $# = 4
# $1 = day
# $2 = month
# $3 = year or time
# $4 = filename
# Get the month.
case $2 in
Jan) month=January; nummonth=1;;
Feb) month=February; nummonth=2;;
Mar) month=March; nummonth=3;;
Apr) month=April; nummonth=4;;
May) month=May; nummonth=5;;
Jun) month=June; nummonth=6;;
Jul) month=July; nummonth=7;;
Aug) month=August; nummonth=8;;
Sep) month=September; nummonth=9;;
Oct) month=October; nummonth=10;;
Nov) month=November; nummonth=11;;
Dec) month=December; nummonth=12;;
esac
case $3 in
???*) day=$1;;
*) day=$3; shift;;
esac
# Here we have to deal with the problem that the ls output gives either
# the time of day or the year.
case $3 in
*:*) set `date`; eval year=\$$#
case $2 in
Jan) nummonthtod=1;;
Feb) nummonthtod=2;;
Mar) nummonthtod=3;;
Apr) nummonthtod=4;;
May) nummonthtod=5;;
Jun) nummonthtod=6;;
Jul) nummonthtod=7;;
Aug) nummonthtod=8;;
Sep) nummonthtod=9;;
Oct) nummonthtod=10;;
Nov) nummonthtod=11;;
Dec) nummonthtod=12;;
esac
# For the first six month of the year the time notation can also
# be used for files modified in the last year.
if (expr $nummonth \> $nummonthtod) > /dev/null;
then
year=`expr $year - 1`
fi;;
*) year=$3;;
esac
# The result.
echo $day $month $year
# Local Variables:
# mode: shell-script
# sh-indentation: 2
# eval: (add-hook 'before-save-hook 'time-stamp)
# time-stamp-start: "scriptversion="
# time-stamp-format: "%:y-%02m-%02d.%02H"
# time-stamp-time-zone: "UTC0"
# time-stamp-end: "; # UTC"
# End:
doc/stamp-vti
+4
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@@ -0,0 +1,4 @@
@set UPDATED 22 November 2019
@set UPDATED-MONTH November 2019
@set EDITION 3.3
@set VERSION 3.3
doc/texinfo.tex
+11727
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doc/version.texi
+4
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@@ -0,0 +1,4 @@
@set UPDATED 22 November 2019
@set UPDATED-MONTH November 2019
@set EDITION 3.3
@set VERSION 3.3
fficonfig.h
Executable
+177
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@@ -0,0 +1,177 @@
/* fficonfig.h.in. Generated from configure.ac by autoheader. */
/* Define if building universal (internal helper macro) */
/* #undef AC_APPLE_UNIVERSAL_BUILD */
/* Define to the flags needed for the .section .eh_frame directive. */
#define EH_FRAME_FLAGS "a"
/* Define this if you want extra debugging. */
/* #undef FFI_DEBUG */
/* Cannot use PROT_EXEC on this target, so, we revert to alternative means */
#define FFI_EXEC_TRAMPOLINE_TABLE 0
/* Define this if you want to enable pax emulated trampolines */
/* #undef FFI_MMAP_EXEC_EMUTRAMP_PAX */
/* Cannot use malloc on this target, so, we revert to alternative means */
#define FFI_MMAP_EXEC_WRIT 1
/* Define this if you do not want support for the raw API. */
/* #undef FFI_NO_RAW_API */
/* Define this if you do not want support for aggregate types. */
/* #undef FFI_NO_STRUCTS */
/* Define to 1 if you have `alloca', as a function or macro. */
/* #undef HAVE_ALLOCA */
/* Define to 1 if you have <alloca.h> and it should be used */
#define HAVE_ALLOCA_H 1
/* Define if your assembler supports .ascii. */
/* #undef HAVE_AS_ASCII_PSEUDO_OP */
/* Define if your assembler supports .cfi_* directives. */
/* #undef HAVE_AS_CFI_PSEUDO_OP */
/* Define if your assembler supports .register. */
/* #undef HAVE_AS_REGISTER_PSEUDO_OP */
/* Define if your assembler and linker support unaligned PC relative relocs.
*/
/* #undef HAVE_AS_SPARC_UA_PCREL */
/* Define if your assembler supports .string. */
/* #undef HAVE_AS_STRING_PSEUDO_OP */
/* Define if your assembler supports unwind section type. */
/* #undef HAVE_AS_X86_64_UNWIND_SECTION_TYPE */
/* Define if your assembler supports PC relative relocs. */
/* #undef HAVE_AS_X86_PCREL */
/* Define to 1 if you have the <dlfcn.h> header file. */
/* #undef HAVE_DLFCN_H */
/* Define if __attribute__((visibility("hidden"))) is supported. */
#define HAVE_HIDDEN_VISIBILITY_ATTRIBUTE 1
/* Define to 1 if you have the <inttypes.h> header file. */
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/* Define if you have the long double type and it is bigger than a double */
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/* Define if you support more than one size of the long double type */
#define HAVE_LONG_DOUBLE_VARIANT 0
/* Define to 1 if you have the `memcpy' function. */
#define HAVE_MEMCPY 1
/* Define to 1 if you have the <memory.h> header file. */
/* #undef HAVE_MEMORY_H */
/* Define to 1 if you have the `mkostemp' function. */
#define HAVE_MKOSTEMP
/* Define to 1 if you have the `mmap' function. */
/* #undef HAVE_MMAP */
/* Define if mmap with MAP_ANON(YMOUS) works. */
/* #undef HAVE_MMAP_ANON */
/* Define if mmap of /dev/zero works. */
/* #undef HAVE_MMAP_DEV_ZERO */
/* Define if read-only mmap of a plain file works. */
/* #undef HAVE_MMAP_FILE */
/* Define if .eh_frame sections should be read-only. */
#define HAVE_RO_EH_FRAME 1
/* Define to 1 if you have the <stdint.h> header file. */
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/* Define to 1 if you have the <stdlib.h> header file. */
/* #undef HAVE_STDLIB_H */
/* Define to 1 if you have the <strings.h> header file. */
/* #undef HAVE_STRINGS_H */
/* Define to 1 if you have the <string.h> header file. */
/* #undef HAVE_STRING_H */
/* Define to 1 if you have the <sys/mman.h> header file. */
/* #undef HAVE_SYS_MMAN_H */
/* Define to 1 if you have the <sys/stat.h> header file. */
/* #undef HAVE_SYS_STAT_H */
/* Define to 1 if you have the <sys/types.h> header file. */
/* #undef HAVE_SYS_TYPES_H */
/* Define to 1 if you have the <unistd.h> header file. */
/* #undef HAVE_UNISTD_H */
/* The size of `double', as computed by sizeof. */
#define SIZEOF_DOUBLE 8
/* The size of `long double', as computed by sizeof. */
#ifdef __LP64__
#define SIZEOF_LONG_DOUBLE 16
#else
#define SIZEOF_LONG_DOUBLE 8
#endif
/* The size of `size_t', as computed by sizeof. */
#ifdef __LP64__
#define SIZEOF_SIZE_T 8
#else
#define SIZEOF_SIZE_T 4
#endif
/* Define if symbols are underscored. */
/* #undef SYMBOL_UNDERSCORE */
/* Define this if you are using Purify and want to suppress spurious messages.
*/
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/* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most
significant byte first (like Motorola and SPARC, unlike Intel). */
#if defined AC_APPLE_UNIVERSAL_BUILD
#if defined __BIG_ENDIAN__
#define WORDS_BIGENDIAN 1
#endif
#else
#ifndef WORDS_BIGENDIAN
/* #undef WORDS_BIGENDIAN */
#endif
#endif
/* Define to `unsigned int' if <sys/types.h> does not define. */
/* #undef size_t */
#ifdef HAVE_HIDDEN_VISIBILITY_ATTRIBUTE
#ifdef LIBFFI_ASM
#ifdef __APPLE__
#define FFI_HIDDEN(name) .private_extern name
#else
#define FFI_HIDDEN(name) .hidden name
#endif
#else
#define FFI_HIDDEN __attribute__ ((visibility ("hidden")))
#endif
#else
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#define FFI_HIDDEN(name)
#else
#define FFI_HIDDEN
#endif
#endif
fficonfig.h.in
+214
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@@ -0,0 +1,214 @@
/* fficonfig.h.in. Generated from configure.ac by autoheader. */
/* Define if building universal (internal helper macro) */
#undef AC_APPLE_UNIVERSAL_BUILD
/* Define to one of `_getb67', `GETB67', `getb67' for Cray-2 and Cray-YMP
systems. This function is required for `alloca.c' support on those systems.
*/
#undef CRAY_STACKSEG_END
/* Define to 1 if using `alloca.c'. */
#undef C_ALLOCA
/* Define to the flags needed for the .section .eh_frame directive. */
#undef EH_FRAME_FLAGS
/* Define this if you want extra debugging. */
#undef FFI_DEBUG
/* Cannot use PROT_EXEC on this target, so, we revert to alternative means */
#undef FFI_EXEC_TRAMPOLINE_TABLE
/* Define this if you want to enable pax emulated trampolines */
#undef FFI_MMAP_EXEC_EMUTRAMP_PAX
/* Cannot use malloc on this target, so, we revert to alternative means */
#undef FFI_MMAP_EXEC_WRIT
/* Define this if you do not want support for the raw API. */
#undef FFI_NO_RAW_API
/* Define this if you do not want support for aggregate types. */
#undef FFI_NO_STRUCTS
/* Define to 1 if you have `alloca', as a function or macro. */
#undef HAVE_ALLOCA
/* Define to 1 if you have <alloca.h> and it should be used (not on Ultrix).
*/
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/* Define if your assembler supports .cfi_* directives. */
#undef HAVE_AS_CFI_PSEUDO_OP
/* Define if your assembler supports .register. */
#undef HAVE_AS_REGISTER_PSEUDO_OP
/* Define if the compiler uses zarch features. */
#undef HAVE_AS_S390_ZARCH
/* Define if your assembler and linker support unaligned PC relative relocs.
*/
#undef HAVE_AS_SPARC_UA_PCREL
/* Define if your assembler supports unwind section type. */
#undef HAVE_AS_X86_64_UNWIND_SECTION_TYPE
/* Define if your assembler supports PC relative relocs. */
#undef HAVE_AS_X86_PCREL
/* Define to 1 if you have the <dlfcn.h> header file. */
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/* Define if __attribute__((visibility("hidden"))) is supported. */
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/* Define to 1 if you have the <inttypes.h> header file. */
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/* Define if you have the long double type and it is bigger than a double */
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/* Define if you support more than one size of the long double type */
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/* Define to 1 if you have the `memcpy' function. */
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/* Define to 1 if you have the <memory.h> header file. */
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/* Define to 1 if you have the `mkostemp' function. */
#undef HAVE_MKOSTEMP
/* Define to 1 if you have the `mmap' function. */
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/* Define if mmap with MAP_ANON(YMOUS) works. */
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/* Define if mmap of /dev/zero works. */
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generate-darwin-source-and-headers.py
Executable
+203
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@@ -0,0 +1,203 @@
#!/usr/bin/env python
import subprocess
import os
import errno
import collections
import glob
import argparse
class Platform(object):
pass
class simulator_platform(Platform):
directory = 'darwin_ios'
sdk = 'iphonesimulator'
arch = 'i386'
triple = 'i386-apple-darwin11'
version_min = '-miphoneos-version-min=7.0'
prefix = "#ifdef __i386__\n\n"
suffix = "\n\n#endif"
src_dir = 'x86'
src_files = ['sysv.S', 'ffi.c', 'internal.h']
class simulator64_platform(Platform):
directory = 'darwin_ios'
sdk = 'iphonesimulator'
arch = 'x86_64'
triple = 'x86_64-apple-darwin13'
version_min = '-miphoneos-version-min=7.0'
prefix = "#ifdef __x86_64__\n\n"
suffix = "\n\n#endif"
src_dir = 'x86'
src_files = ['unix64.S', 'ffi64.c', 'ffiw64.c', 'win64.S', 'internal64.h', 'asmnames.h']
class device_platform(Platform):
directory = 'darwin_ios'
sdk = 'iphoneos'
arch = 'armv7'
triple = 'arm-apple-darwin11'
version_min = '-miphoneos-version-min=7.0'
prefix = "#ifdef __arm__\n\n"
suffix = "\n\n#endif"
src_dir = 'arm'
src_files = ['sysv.S', 'ffi.c', 'internal.h']
class device64_platform(Platform):
directory = 'darwin_ios'
sdk = 'iphoneos'
arch = 'arm64'
triple = 'aarch64-apple-darwin13'
version_min = '-miphoneos-version-min=7.0'
prefix = "#ifdef __arm64__\n\n"
suffix = "\n\n#endif"
src_dir = 'aarch64'
src_files = ['sysv.S', 'ffi.c', 'internal.h']
class desktop32_platform(Platform):
directory = 'darwin_osx'
sdk = 'macosx'
arch = 'i386'
triple = 'i386-apple-darwin10'
version_min = '-mmacosx-version-min=10.6'
src_dir = 'x86'
src_files = ['sysv.S', 'ffi.c', 'internal.h']
prefix = "#ifdef __i386__\n\n"
suffix = "\n\n#endif"
class desktop64_platform(Platform):
directory = 'darwin_osx'
sdk = 'macosx'
arch = 'x86_64'
triple = 'x86_64-apple-darwin10'
version_min = '-mmacosx-version-min=10.6'
prefix = "#ifdef __x86_64__\n\n"
suffix = "\n\n#endif"
src_dir = 'x86'
src_files = ['unix64.S', 'ffi64.c', 'ffiw64.c', 'win64.S', 'internal64.h', 'asmnames.h']
def mkdir_p(path):
try:
os.makedirs(path)
except OSError as exc: # Python >2.5
if exc.errno != errno.EEXIST:
raise
def move_file(src_dir, dst_dir, filename, file_suffix=None, prefix='', suffix=''):
mkdir_p(dst_dir)
out_filename = filename
if file_suffix:
if filename in ['internal64.h', 'asmnames.h', 'internal.h']:
out_filename = filename
else:
split_name = os.path.splitext(filename)
out_filename = "%s_%s%s" % (split_name[0], file_suffix, split_name[1])
with open(os.path.join(src_dir, filename)) as in_file:
with open(os.path.join(dst_dir, out_filename), 'w') as out_file:
if prefix:
out_file.write(prefix)
out_file.write(in_file.read())
if suffix:
out_file.write(suffix)
def list_files(src_dir, pattern=None, filelist=None):
if pattern: filelist = glob.iglob(os.path.join(src_dir, pattern))
for file in filelist:
yield os.path.basename(file)
def copy_files(src_dir, dst_dir, pattern=None, filelist=None, file_suffix=None, prefix=None, suffix=None):
for filename in list_files(src_dir, pattern=pattern, filelist=filelist):
move_file(src_dir, dst_dir, filename, file_suffix=file_suffix, prefix=prefix, suffix=suffix)
def copy_src_platform_files(platform):
src_dir = os.path.join('src', platform.src_dir)
dst_dir = os.path.join(platform.directory, 'src', platform.src_dir)
copy_files(src_dir, dst_dir, filelist=platform.src_files, file_suffix=platform.arch, prefix=platform.prefix, suffix=platform.suffix)
def build_target(platform, platform_headers):
def xcrun_cmd(cmd):
return 'xcrun -sdk %s %s -arch %s' % (platform.sdk, cmd, platform.arch)
tag='%s-%s' % (platform.sdk, platform.arch)
build_dir = 'build_%s' % tag
mkdir_p(build_dir)
env = dict(CC=xcrun_cmd('clang'),
LD=xcrun_cmd('ld'),
CFLAGS='%s' % (platform.version_min))
working_dir = os.getcwd()
try:
os.chdir(build_dir)
subprocess.check_call(['../configure', '-host', platform.triple], env=env)
finally:
os.chdir(working_dir)
for src_dir in [build_dir, os.path.join(build_dir, 'include')]:
copy_files(src_dir,
os.path.join(platform.directory, 'include'),
pattern='*.h',
file_suffix=platform.arch,
prefix=platform.prefix,
suffix=platform.suffix)
for filename in list_files(src_dir, pattern='*.h'):
platform_headers[filename].add((platform.prefix, platform.arch, platform.suffix))
def generate_source_and_headers(generate_osx=True, generate_ios=True):
copy_files('src', 'darwin_common/src', pattern='*.c')
copy_files('include', 'darwin_common/include', pattern='*.h')
if generate_ios:
copy_src_platform_files(simulator_platform)
copy_src_platform_files(simulator64_platform)
copy_src_platform_files(device_platform)
copy_src_platform_files(device64_platform)
if generate_osx:
copy_src_platform_files(desktop32_platform)
copy_src_platform_files(desktop64_platform)
platform_headers = collections.defaultdict(set)
if generate_ios:
build_target(simulator_platform, platform_headers)
build_target(simulator64_platform, platform_headers)
build_target(device_platform, platform_headers)
build_target(device64_platform, platform_headers)
if generate_osx:
build_target(desktop32_platform, platform_headers)
build_target(desktop64_platform, platform_headers)
mkdir_p('darwin_common/include')
for header_name, tag_tuples in platform_headers.iteritems():
basename, suffix = os.path.splitext(header_name)
with open(os.path.join('darwin_common/include', header_name), 'w') as header:
for tag_tuple in tag_tuples:
header.write('%s#include <%s_%s%s>\n%s\n' % (tag_tuple[0], basename, tag_tuple[1], suffix, tag_tuple[2]))
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument('--only-ios', action='store_true', default=False)
parser.add_argument('--only-osx', action='store_true', default=False)
args = parser.parse_args()
generate_source_and_headers(generate_osx=not args.only_ios, generate_ios=not args.only_osx)
include/Makefile.am
+9
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@@ -0,0 +1,9 @@
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nodist_include_HEADERS = ffi.h ffitarget.h
include/Makefile.in
+607
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@@ -0,0 +1,607 @@
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.PRECIOUS: Makefile
# Tell versions [3.59,3.63) of GNU make to not export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
.NOEXPORT:
include/ffi-aarch64.h
Executable
+500
View File
@@ -0,0 +1,500 @@
/* -----------------------------------------------------------------*-C-*-
libffi 3.2.9999 - Copyright (c) 2011, 2014 Anthony Green
- Copyright (c) 1996-2003, 2007, 2008 Red Hat, Inc.
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation
files (the ``Software''), to deal in the Software without
restriction, including without limitation the rights to use, copy,
modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------- */
/* -------------------------------------------------------------------
Most of the API is documented in doc/libffi.texi.
The raw API is designed to bypass some of the argument packing and
unpacking on architectures for which it can be avoided. Routines
are provided to emulate the raw API if the underlying platform
doesn't allow faster implementation.
More details on the raw API can be found in:
http://gcc.gnu.org/ml/java/1999-q3/msg00138.html
and
http://gcc.gnu.org/ml/java/1999-q3/msg00174.html
-------------------------------------------------------------------- */
#ifndef LIBFFI_H
#define LIBFFI_H
#ifdef __cplusplus
extern "C" {
#endif
/* Specify which architecture libffi is configured for. */
#ifndef AARCH64
#define AARCH64
#endif
/* ---- System configuration information --------------------------------- */
#include <ffitarget.h>
/* Need minimal decorations for DLLs to works on Windows. GCC has
autoimport and autoexport. Rely on Libtool to help MSVC export
from a DLL, but always declare data to be imported for MSVC
clients. This costs an extra indirection for MSVC clients using
the static version of the library, but don't worry about that.
Besides, as a workaround, they can define FFI_BUILDING if they
*know* they are going to link with the static library. */
#if defined _WIN32 && !defined FFI_STATIC_BUILD
#ifdef FFI_BUILDING
#define FFI_EXTERN __declspec(dllexport)
#else
#define FFI_EXTERN __declspec(dllimport)
#endif
#else
#define FFI_EXTERN extern
#endif
#ifndef LIBFFI_ASM
#if defined(_MSC_VER) && !defined(__clang__)
#define __attribute__(X)
#endif
#include <stddef.h>
#include <limits.h>
/* LONG_LONG_MAX is not always defined (not if STRICT_ANSI, for example).
But we can find it either under the correct ANSI name, or under GNU
C's internal name. */
#define FFI_64_BIT_MAX 9223372036854775807
#ifdef LONG_LONG_MAX
# define FFI_LONG_LONG_MAX LONG_LONG_MAX
#else
# ifdef LLONG_MAX
# define FFI_LONG_LONG_MAX LLONG_MAX
# ifdef _AIX52 /* or newer has C99 LLONG_MAX */
# undef FFI_64_BIT_MAX
# define FFI_64_BIT_MAX 9223372036854775807LL
# endif /* _AIX52 or newer */
# else
# ifdef __GNUC__
# define FFI_LONG_LONG_MAX __LONG_LONG_MAX__
# endif
# ifdef _AIX /* AIX 5.1 and earlier have LONGLONG_MAX */
# ifndef __PPC64__
# if defined (__IBMC__) || defined (__IBMCPP__)
# define FFI_LONG_LONG_MAX LONGLONG_MAX
# endif
# endif /* __PPC64__ */
# undef FFI_64_BIT_MAX
# define FFI_64_BIT_MAX 9223372036854775807LL
# endif
# endif
#endif
/* The closure code assumes that this works on pointers, i.e. a size_t
can hold a pointer. */
typedef struct _ffi_type
{
size_t size;
unsigned short alignment;
unsigned short type;
struct _ffi_type **elements;
} ffi_type;
#ifndef LIBFFI_HIDE_BASIC_TYPES
#if SCHAR_MAX == 127
# define ffi_type_uchar ffi_type_uint8
# define ffi_type_schar ffi_type_sint8
#else
#error "char size not supported"
#endif
#if SHRT_MAX == 32767
# define ffi_type_ushort ffi_type_uint16
# define ffi_type_sshort ffi_type_sint16
#elif SHRT_MAX == 2147483647
# define ffi_type_ushort ffi_type_uint32
# define ffi_type_sshort ffi_type_sint32
#else
#error "short size not supported"
#endif
#if INT_MAX == 32767
# define ffi_type_uint ffi_type_uint16
# define ffi_type_sint ffi_type_sint16
#elif INT_MAX == 2147483647
# define ffi_type_uint ffi_type_uint32
# define ffi_type_sint ffi_type_sint32
#elif INT_MAX == 9223372036854775807
# define ffi_type_uint ffi_type_uint64
# define ffi_type_sint ffi_type_sint64
#else
#error "int size not supported"
#endif
#if LONG_MAX == 2147483647
# if FFI_LONG_LONG_MAX != FFI_64_BIT_MAX
#error "no 64-bit data type supported"
# endif
#elif LONG_MAX != FFI_64_BIT_MAX
#error "long size not supported"
#endif
#if LONG_MAX == 2147483647
# define ffi_type_ulong ffi_type_uint32
# define ffi_type_slong ffi_type_sint32
#elif LONG_MAX == FFI_64_BIT_MAX
# define ffi_type_ulong ffi_type_uint64
# define ffi_type_slong ffi_type_sint64
#else
#error "long size not supported"
#endif
/* These are defined in types.c. */
FFI_EXTERN ffi_type ffi_type_void;
FFI_EXTERN ffi_type ffi_type_uint8;
FFI_EXTERN ffi_type ffi_type_sint8;
FFI_EXTERN ffi_type ffi_type_uint16;
FFI_EXTERN ffi_type ffi_type_sint16;
FFI_EXTERN ffi_type ffi_type_uint32;
FFI_EXTERN ffi_type ffi_type_sint32;
FFI_EXTERN ffi_type ffi_type_uint64;
FFI_EXTERN ffi_type ffi_type_sint64;
FFI_EXTERN ffi_type ffi_type_float;
FFI_EXTERN ffi_type ffi_type_double;
FFI_EXTERN ffi_type ffi_type_pointer;
#if 1
FFI_EXTERN ffi_type ffi_type_longdouble;
#else
#define ffi_type_longdouble ffi_type_double
#endif
#ifdef FFI_TARGET_HAS_COMPLEX_TYPE
FFI_EXTERN ffi_type ffi_type_complex_float;
FFI_EXTERN ffi_type ffi_type_complex_double;
#if 1
FFI_EXTERN ffi_type ffi_type_complex_longdouble;
#else
#define ffi_type_complex_longdouble ffi_type_complex_double
#endif
#endif
#endif /* LIBFFI_HIDE_BASIC_TYPES */
typedef enum {
FFI_OK = 0,
FFI_BAD_TYPEDEF,
FFI_BAD_ABI
} ffi_status;
typedef struct {
ffi_abi abi;
unsigned nargs;
ffi_type **arg_types;
ffi_type *rtype;
unsigned bytes;
unsigned flags;
unsigned isVariadic;
#ifdef FFI_EXTRA_CIF_FIELDS
FFI_EXTRA_CIF_FIELDS;
#endif
} ffi_cif;
/* ---- Definitions for the raw API -------------------------------------- */
#ifndef FFI_SIZEOF_ARG
# if LONG_MAX == 2147483647
# define FFI_SIZEOF_ARG 4
# elif LONG_MAX == FFI_64_BIT_MAX
# define FFI_SIZEOF_ARG 8
# endif
#endif
#ifndef FFI_SIZEOF_JAVA_RAW
# define FFI_SIZEOF_JAVA_RAW FFI_SIZEOF_ARG
#endif
typedef union {
ffi_sarg sint;
ffi_arg uint;
float flt;
char data[FFI_SIZEOF_ARG];
void* ptr;
} ffi_raw;
#if FFI_SIZEOF_JAVA_RAW == 4 && FFI_SIZEOF_ARG == 8
/* This is a special case for mips64/n32 ABI (and perhaps others) where
sizeof(void *) is 4 and FFI_SIZEOF_ARG is 8. */
typedef union {
signed int sint;
unsigned int uint;
float flt;
char data[FFI_SIZEOF_JAVA_RAW];
void* ptr;
} ffi_java_raw;
#else
typedef ffi_raw ffi_java_raw;
#endif
FFI_EXTERN
void ffi_raw_call (ffi_cif *cif,
void (*fn)(void),
void *rvalue,
ffi_raw *avalue);
FFI_EXTERN void ffi_ptrarray_to_raw (ffi_cif *cif, void **args, ffi_raw *raw);
FFI_EXTERN void ffi_raw_to_ptrarray (ffi_cif *cif, ffi_raw *raw, void **args);
FFI_EXTERN size_t ffi_raw_size (ffi_cif *cif);
/* This is analogous to the raw API, except it uses Java parameter
packing, even on 64-bit machines. I.e. on 64-bit machines longs
and doubles are followed by an empty 64-bit word. */
FFI_EXTERN
void ffi_java_raw_call (ffi_cif *cif,
void (*fn)(void),
void *rvalue,
ffi_java_raw *avalue);
FFI_EXTERN void ffi_java_ptrarray_to_raw (ffi_cif *cif, void **args, ffi_java_raw *raw);
FFI_EXTERN void ffi_java_raw_to_ptrarray (ffi_cif *cif, ffi_java_raw *raw, void **args);
FFI_EXTERN size_t ffi_java_raw_size (ffi_cif *cif);
/* ---- Definitions for closures ----------------------------------------- */
#if FFI_CLOSURES
#ifdef _MSC_VER
__declspec(align(8))
#endif
typedef struct {
#if 0
void *trampoline_table;
void *trampoline_table_entry;
#else
char tramp[FFI_TRAMPOLINE_SIZE];
#endif
ffi_cif *cif;
void (*fun)(ffi_cif*,void*,void**,void*);
void *user_data;
} ffi_closure
#ifdef __GNUC__
__attribute__((aligned (8)))
#endif
;
#ifndef __GNUC__
# ifdef __sgi
# pragma pack 0
# endif
#endif
FFI_EXTERN void *ffi_closure_alloc (size_t size, void **code);
FFI_EXTERN void ffi_closure_free (void *);
FFI_EXTERN ffi_status
ffi_prep_closure (ffi_closure*,
ffi_cif *,
void (*fun)(ffi_cif*,void*,void**,void*),
void *user_data)
#if defined(__GNUC__) && (((__GNUC__ * 100) + __GNUC_MINOR__) >= 405)
__attribute__((deprecated ("use ffi_prep_closure_loc instead")))
#elif defined(__GNUC__) && __GNUC__ >= 3
__attribute__((deprecated))
#endif
;
FFI_EXTERN ffi_status
ffi_prep_closure_loc (ffi_closure*,
ffi_cif *,
void (*fun)(ffi_cif*,void*,void**,void*),
void *user_data,
void*codeloc);
#ifdef __sgi
# pragma pack 8
#endif
typedef struct {
#if 0
void *trampoline_table;
void *trampoline_table_entry;
#else
char tramp[FFI_TRAMPOLINE_SIZE];
#endif
ffi_cif *cif;
#if !FFI_NATIVE_RAW_API
/* If this is enabled, then a raw closure has the same layout
as a regular closure. We use this to install an intermediate
handler to do the transaltion, void** -> ffi_raw*. */
void (*translate_args)(ffi_cif*,void*,void**,void*);
void *this_closure;
#endif
void (*fun)(ffi_cif*,void*,ffi_raw*,void*);
void *user_data;
} ffi_raw_closure;
typedef struct {
#if 0
void *trampoline_table;
void *trampoline_table_entry;
#else
char tramp[FFI_TRAMPOLINE_SIZE];
#endif
ffi_cif *cif;
#if !FFI_NATIVE_RAW_API
/* If this is enabled, then a raw closure has the same layout
as a regular closure. We use this to install an intermediate
handler to do the translation, void** -> ffi_raw*. */
void (*translate_args)(ffi_cif*,void*,void**,void*);
void *this_closure;
#endif
void (*fun)(ffi_cif*,void*,ffi_java_raw*,void*);
void *user_data;
} ffi_java_raw_closure;
FFI_EXTERN ffi_status
ffi_prep_raw_closure (ffi_raw_closure*,
ffi_cif *cif,
void (*fun)(ffi_cif*,void*,ffi_raw*,void*),
void *user_data);
FFI_EXTERN ffi_status
ffi_prep_raw_closure_loc (ffi_raw_closure*,
ffi_cif *cif,
void (*fun)(ffi_cif*,void*,ffi_raw*,void*),
void *user_data,
void *codeloc);
FFI_EXTERN ffi_status
ffi_prep_java_raw_closure (ffi_java_raw_closure*,
ffi_cif *cif,
void (*fun)(ffi_cif*,void*,ffi_java_raw*,void*),
void *user_data);
FFI_EXTERN ffi_status
ffi_prep_java_raw_closure_loc (ffi_java_raw_closure*,
ffi_cif *cif,
void (*fun)(ffi_cif*,void*,ffi_java_raw*,void*),
void *user_data,
void *codeloc);
#endif /* FFI_CLOSURES */
#if FFI_GO_CLOSURES
typedef struct {
void *tramp;
ffi_cif *cif;
void (*fun)(ffi_cif*,void*,void**,void*);
} ffi_go_closure;
FFI_EXTERN
ffi_status ffi_prep_go_closure (ffi_go_closure*, ffi_cif *,
void (*fun)(ffi_cif*,void*,void**,void*));
FFI_EXTERN
void ffi_call_go (ffi_cif *cif, void (*fn)(void), void *rvalue,
void **avalue, void *closure);
#endif /* FFI_GO_CLOSURES */
/* ---- Public interface definition -------------------------------------- */
FFI_EXTERN
ffi_status ffi_prep_cif(ffi_cif *cif,
ffi_abi abi,
unsigned int nargs,
ffi_type *rtype,
ffi_type **atypes);
FFI_EXTERN
ffi_status ffi_prep_cif_var(ffi_cif *cif,
ffi_abi abi,
unsigned int nfixedargs,
unsigned int ntotalargs,
ffi_type *rtype,
ffi_type **atypes);
FFI_EXTERN
void ffi_call(ffi_cif *cif,
void (*fn)(void),
void *rvalue,
void **avalue);
FFI_EXTERN
ffi_status ffi_get_struct_offsets (ffi_abi abi, ffi_type *struct_type,
size_t *offsets);
/* Useful for eliminating compiler warnings. */
#define FFI_FN(f) ((void (*)(void))f)
/* ---- Definitions shared with assembly code ---------------------------- */
#endif /* !LIBFFI_ASM */
/* If these change, update src/mips/ffitarget.h. */
#define FFI_TYPE_VOID 0
#define FFI_TYPE_INT 1
#define FFI_TYPE_FLOAT 2
#define FFI_TYPE_DOUBLE 3
#if 1
#define FFI_TYPE_LONGDOUBLE 4
#else
#define FFI_TYPE_LONGDOUBLE FFI_TYPE_DOUBLE
#endif
#define FFI_TYPE_UINT8 5
#define FFI_TYPE_SINT8 6
#define FFI_TYPE_UINT16 7
#define FFI_TYPE_SINT16 8
#define FFI_TYPE_UINT32 9
#define FFI_TYPE_SINT32 10
#define FFI_TYPE_UINT64 11
#define FFI_TYPE_SINT64 12
#define FFI_TYPE_STRUCT 13
#define FFI_TYPE_POINTER 14
#define FFI_TYPE_COMPLEX 15
/* This should always refer to the last type code (for sanity checks). */
#define FFI_TYPE_LAST FFI_TYPE_COMPLEX
#ifdef __cplusplus
}
#endif
#endif
include/ffi-arm.h
Executable
+500
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@@ -0,0 +1,500 @@
/* -----------------------------------------------------------------*-C-*-
libffi 3.2.9999 - Copyright (c) 2011, 2014 Anthony Green
- Copyright (c) 1996-2003, 2007, 2008 Red Hat, Inc.
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation
files (the ``Software''), to deal in the Software without
restriction, including without limitation the rights to use, copy,
modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------- */
/* -------------------------------------------------------------------
Most of the API is documented in doc/libffi.texi.
The raw API is designed to bypass some of the argument packing and
unpacking on architectures for which it can be avoided. Routines
are provided to emulate the raw API if the underlying platform
doesn't allow faster implementation.
More details on the raw API can be found in:
http://gcc.gnu.org/ml/java/1999-q3/msg00138.html
and
http://gcc.gnu.org/ml/java/1999-q3/msg00174.html
-------------------------------------------------------------------- */
#ifndef LIBFFI_H
#define LIBFFI_H
#ifdef __cplusplus
extern "C" {
#endif
/* Specify which architecture libffi is configured for. */
#ifndef ARM
#define ARM
#endif
/* ---- System configuration information --------------------------------- */
#include <ffitarget.h>
/* Need minimal decorations for DLLs to works on Windows. GCC has
autoimport and autoexport. Rely on Libtool to help MSVC export
from a DLL, but always declare data to be imported for MSVC
clients. This costs an extra indirection for MSVC clients using
the static version of the library, but don't worry about that.
Besides, as a workaround, they can define FFI_BUILDING if they
*know* they are going to link with the static library. */
#if defined _MSC_VER && !defined FFI_STATIC_BUILD
#ifdef FFI_BUILDING
#define FFI_EXTERN __declspec(dllexport)
#else
#define FFI_EXTERN __declspec(dllimport)
#endif
#else
#define FFI_EXTERN extern
#endif
#ifndef LIBFFI_ASM
#if defined(_MSC_VER) && !defined(__clang__)
#define __attribute__(X)
#endif
#include <stddef.h>
#include <limits.h>
/* LONG_LONG_MAX is not always defined (not if STRICT_ANSI, for example).
But we can find it either under the correct ANSI name, or under GNU
C's internal name. */
#define FFI_64_BIT_MAX 9223372036854775807
#ifdef LONG_LONG_MAX
# define FFI_LONG_LONG_MAX LONG_LONG_MAX
#else
# ifdef LLONG_MAX
# define FFI_LONG_LONG_MAX LLONG_MAX
# ifdef _AIX52 /* or newer has C99 LLONG_MAX */
# undef FFI_64_BIT_MAX
# define FFI_64_BIT_MAX 9223372036854775807LL
# endif /* _AIX52 or newer */
# else
# ifdef __GNUC__
# define FFI_LONG_LONG_MAX __LONG_LONG_MAX__
# endif
# ifdef _AIX /* AIX 5.1 and earlier have LONGLONG_MAX */
# ifndef __PPC64__
# if defined (__IBMC__) || defined (__IBMCPP__)
# define FFI_LONG_LONG_MAX LONGLONG_MAX
# endif
# endif /* __PPC64__ */
# undef FFI_64_BIT_MAX
# define FFI_64_BIT_MAX 9223372036854775807LL
# endif
# endif
#endif
/* The closure code assumes that this works on pointers, i.e. a size_t
can hold a pointer. */
typedef struct _ffi_type
{
size_t size;
unsigned short alignment;
unsigned short type;
struct _ffi_type **elements;
} ffi_type;
#ifndef LIBFFI_HIDE_BASIC_TYPES
#if SCHAR_MAX == 127
# define ffi_type_uchar ffi_type_uint8
# define ffi_type_schar ffi_type_sint8
#else
#error "char size not supported"
#endif
#if SHRT_MAX == 32767
# define ffi_type_ushort ffi_type_uint16
# define ffi_type_sshort ffi_type_sint16
#elif SHRT_MAX == 2147483647
# define ffi_type_ushort ffi_type_uint32
# define ffi_type_sshort ffi_type_sint32
#else
#error "short size not supported"
#endif
#if INT_MAX == 32767
# define ffi_type_uint ffi_type_uint16
# define ffi_type_sint ffi_type_sint16
#elif INT_MAX == 2147483647
# define ffi_type_uint ffi_type_uint32
# define ffi_type_sint ffi_type_sint32
#elif INT_MAX == 9223372036854775807
# define ffi_type_uint ffi_type_uint64
# define ffi_type_sint ffi_type_sint64
#else
#error "int size not supported"
#endif
#if LONG_MAX == 2147483647
# if FFI_LONG_LONG_MAX != FFI_64_BIT_MAX
#error "no 64-bit data type supported"
# endif
#elif LONG_MAX != FFI_64_BIT_MAX
#error "long size not supported"
#endif
#if LONG_MAX == 2147483647
# define ffi_type_ulong ffi_type_uint32
# define ffi_type_slong ffi_type_sint32
#elif LONG_MAX == FFI_64_BIT_MAX
# define ffi_type_ulong ffi_type_uint64
# define ffi_type_slong ffi_type_sint64
#else
#error "long size not supported"
#endif
/* These are defined in types.c. */
FFI_EXTERN ffi_type ffi_type_void;
FFI_EXTERN ffi_type ffi_type_uint8;
FFI_EXTERN ffi_type ffi_type_sint8;
FFI_EXTERN ffi_type ffi_type_uint16;
FFI_EXTERN ffi_type ffi_type_sint16;
FFI_EXTERN ffi_type ffi_type_uint32;
FFI_EXTERN ffi_type ffi_type_sint32;
FFI_EXTERN ffi_type ffi_type_uint64;
FFI_EXTERN ffi_type ffi_type_sint64;
FFI_EXTERN ffi_type ffi_type_float;
FFI_EXTERN ffi_type ffi_type_double;
FFI_EXTERN ffi_type ffi_type_pointer;
#if 0
FFI_EXTERN ffi_type ffi_type_longdouble;
#else
#define ffi_type_longdouble ffi_type_double
#endif
#ifdef FFI_TARGET_HAS_COMPLEX_TYPE
FFI_EXTERN ffi_type ffi_type_complex_float;
FFI_EXTERN ffi_type ffi_type_complex_double;
#if 0
FFI_EXTERN ffi_type ffi_type_complex_longdouble;
#else
#define ffi_type_complex_longdouble ffi_type_complex_double
#endif
#endif
#endif /* LIBFFI_HIDE_BASIC_TYPES */
typedef enum {
FFI_OK = 0,
FFI_BAD_TYPEDEF,
FFI_BAD_ABI
} ffi_status;
typedef struct {
ffi_abi abi;
unsigned nargs;
ffi_type **arg_types;
ffi_type *rtype;
unsigned bytes;
unsigned flags;
unsigned isVariadic;
#ifdef FFI_EXTRA_CIF_FIELDS
FFI_EXTRA_CIF_FIELDS;
#endif
} ffi_cif;
/* ---- Definitions for the raw API -------------------------------------- */
#ifndef FFI_SIZEOF_ARG
# if LONG_MAX == 2147483647
# define FFI_SIZEOF_ARG 4
# elif LONG_MAX == FFI_64_BIT_MAX
# define FFI_SIZEOF_ARG 8
# endif
#endif
#ifndef FFI_SIZEOF_JAVA_RAW
# define FFI_SIZEOF_JAVA_RAW FFI_SIZEOF_ARG
#endif
typedef union {
ffi_sarg sint;
ffi_arg uint;
float flt;
char data[FFI_SIZEOF_ARG];
void* ptr;
} ffi_raw;
#if FFI_SIZEOF_JAVA_RAW == 4 && FFI_SIZEOF_ARG == 8
/* This is a special case for mips64/n32 ABI (and perhaps others) where
sizeof(void *) is 4 and FFI_SIZEOF_ARG is 8. */
typedef union {
signed int sint;
unsigned int uint;
float flt;
char data[FFI_SIZEOF_JAVA_RAW];
void* ptr;
} ffi_java_raw;
#else
typedef ffi_raw ffi_java_raw;
#endif
FFI_EXTERN
void ffi_raw_call (ffi_cif *cif,
void (*fn)(void),
void *rvalue,
ffi_raw *avalue);
FFI_EXTERN void ffi_ptrarray_to_raw (ffi_cif *cif, void **args, ffi_raw *raw);
FFI_EXTERN void ffi_raw_to_ptrarray (ffi_cif *cif, ffi_raw *raw, void **args);
FFI_EXTERN size_t ffi_raw_size (ffi_cif *cif);
/* This is analogous to the raw API, except it uses Java parameter
packing, even on 64-bit machines. I.e. on 64-bit machines longs
and doubles are followed by an empty 64-bit word. */
FFI_EXTERN
void ffi_java_raw_call (ffi_cif *cif,
void (*fn)(void),
void *rvalue,
ffi_java_raw *avalue);
FFI_EXTERN void ffi_java_ptrarray_to_raw (ffi_cif *cif, void **args, ffi_java_raw *raw);
FFI_EXTERN void ffi_java_raw_to_ptrarray (ffi_cif *cif, ffi_java_raw *raw, void **args);
FFI_EXTERN size_t ffi_java_raw_size (ffi_cif *cif);
/* ---- Definitions for closures ----------------------------------------- */
#if FFI_CLOSURES
#ifdef _MSC_VER
__declspec(align(8))
#endif
typedef struct {
#if 0
void *trampoline_table;
void *trampoline_table_entry;
#else
char tramp[FFI_TRAMPOLINE_SIZE];
#endif
ffi_cif *cif;
void (*fun)(ffi_cif*,void*,void**,void*);
void *user_data;
} ffi_closure
#ifdef __GNUC__
__attribute__((aligned (8)))
#endif
;
#ifndef __GNUC__
# ifdef __sgi
# pragma pack 0
# endif
#endif
FFI_EXTERN void *ffi_closure_alloc (size_t size, void **code);
FFI_EXTERN void ffi_closure_free (void *);
FFI_EXTERN ffi_status
ffi_prep_closure (ffi_closure*,
ffi_cif *,
void (*fun)(ffi_cif*,void*,void**,void*),
void *user_data)
#if defined(__GNUC__) && (((__GNUC__ * 100) + __GNUC_MINOR__) >= 405)
__attribute__((deprecated ("use ffi_prep_closure_loc instead")))
#elif defined(__GNUC__) && __GNUC__ >= 3
__attribute__((deprecated))
#endif
;
FFI_EXTERN ffi_status
ffi_prep_closure_loc (ffi_closure*,
ffi_cif *,
void (*fun)(ffi_cif*,void*,void**,void*),
void *user_data,
void*codeloc);
#ifdef __sgi
# pragma pack 8
#endif
typedef struct {
#if 0
void *trampoline_table;
void *trampoline_table_entry;
#else
char tramp[FFI_TRAMPOLINE_SIZE];
#endif
ffi_cif *cif;
#if !FFI_NATIVE_RAW_API
/* If this is enabled, then a raw closure has the same layout
as a regular closure. We use this to install an intermediate
handler to do the transaltion, void** -> ffi_raw*. */
void (*translate_args)(ffi_cif*,void*,void**,void*);
void *this_closure;
#endif
void (*fun)(ffi_cif*,void*,ffi_raw*,void*);
void *user_data;
} ffi_raw_closure;
typedef struct {
#if 0
void *trampoline_table;
void *trampoline_table_entry;
#else
char tramp[FFI_TRAMPOLINE_SIZE];
#endif
ffi_cif *cif;
#if !FFI_NATIVE_RAW_API
/* If this is enabled, then a raw closure has the same layout
as a regular closure. We use this to install an intermediate
handler to do the translation, void** -> ffi_raw*. */
void (*translate_args)(ffi_cif*,void*,void**,void*);
void *this_closure;
#endif
void (*fun)(ffi_cif*,void*,ffi_java_raw*,void*);
void *user_data;
} ffi_java_raw_closure;
FFI_EXTERN ffi_status
ffi_prep_raw_closure (ffi_raw_closure*,
ffi_cif *cif,
void (*fun)(ffi_cif*,void*,ffi_raw*,void*),
void *user_data);
FFI_EXTERN ffi_status
ffi_prep_raw_closure_loc (ffi_raw_closure*,
ffi_cif *cif,
void (*fun)(ffi_cif*,void*,ffi_raw*,void*),
void *user_data,
void *codeloc);
FFI_EXTERN ffi_status
ffi_prep_java_raw_closure (ffi_java_raw_closure*,
ffi_cif *cif,
void (*fun)(ffi_cif*,void*,ffi_java_raw*,void*),
void *user_data);
FFI_EXTERN ffi_status
ffi_prep_java_raw_closure_loc (ffi_java_raw_closure*,
ffi_cif *cif,
void (*fun)(ffi_cif*,void*,ffi_java_raw*,void*),
void *user_data,
void *codeloc);
#endif /* FFI_CLOSURES */
#if FFI_GO_CLOSURES
typedef struct {
void *tramp;
ffi_cif *cif;
void (*fun)(ffi_cif*,void*,void**,void*);
} ffi_go_closure;
FFI_EXTERN
ffi_status ffi_prep_go_closure (ffi_go_closure*, ffi_cif *,
void (*fun)(ffi_cif*,void*,void**,void*));
FFI_EXTERN
void ffi_call_go (ffi_cif *cif, void (*fn)(void), void *rvalue,
void **avalue, void *closure);
#endif /* FFI_GO_CLOSURES */
/* ---- Public interface definition -------------------------------------- */
FFI_EXTERN
ffi_status ffi_prep_cif(ffi_cif *cif,
ffi_abi abi,
unsigned int nargs,
ffi_type *rtype,
ffi_type **atypes);
FFI_EXTERN
ffi_status ffi_prep_cif_var(ffi_cif *cif,
ffi_abi abi,
unsigned int nfixedargs,
unsigned int ntotalargs,
ffi_type *rtype,
ffi_type **atypes);
FFI_EXTERN
void ffi_call(ffi_cif *cif,
void (*fn)(void),
void *rvalue,
void **avalue);
FFI_EXTERN
ffi_status ffi_get_struct_offsets (ffi_abi abi, ffi_type *struct_type,
size_t *offsets);
/* Useful for eliminating compiler warnings. */
#define FFI_FN(f) ((void (*)(void))f)
/* ---- Definitions shared with assembly code ---------------------------- */
#endif /* !LIBFFI_ASM */
/* If these change, update src/mips/ffitarget.h. */
#define FFI_TYPE_VOID 0
#define FFI_TYPE_INT 1
#define FFI_TYPE_FLOAT 2
#define FFI_TYPE_DOUBLE 3
#if 0
#define FFI_TYPE_LONGDOUBLE 4
#else
#define FFI_TYPE_LONGDOUBLE FFI_TYPE_DOUBLE
#endif
#define FFI_TYPE_UINT8 5
#define FFI_TYPE_SINT8 6
#define FFI_TYPE_UINT16 7
#define FFI_TYPE_SINT16 8
#define FFI_TYPE_UINT32 9
#define FFI_TYPE_SINT32 10
#define FFI_TYPE_UINT64 11
#define FFI_TYPE_SINT64 12
#define FFI_TYPE_STRUCT 13
#define FFI_TYPE_POINTER 14
#define FFI_TYPE_COMPLEX 15
/* This should always refer to the last type code (for sanity checks). */
#define FFI_TYPE_LAST FFI_TYPE_COMPLEX
#ifdef __cplusplus
}
#endif
#endif
include/ffi.h
Executable
+21
View File
@@ -0,0 +1,21 @@
/* Include the correct ffi.h automatically. This helps us create prefixes
* with multi-lib Linux and OSX/iOS universal builds. To avoid listing all
* possible architectures here, we try the configured target arch first and then
* include the most common multilib/universal setups in the #elif ladder */
#ifdef __arm__
#include "ffi-arm.h"
#elif defined(__i386__) || defined(_M_IX86)
#include "ffi-x86.h"
#elif defined(__x86_64__) || defined(_M_X64)
#include "ffi-x86_64.h"
#elif defined(__arm__) || defined(_M_ARM)
#include "ffi-arm.h"
#elif defined(__aarch64__) || defined(_M_ARM64)
#include "ffi-aarch64.h"
#elif defined(__powerpc__) || defined(_M_PPC)
#include "ffi-powerpc.h"
#elif defined(__powerpc64__)
#include "ffi-powerpc64.h"
#else
#error "Unsupported Architecture"
#endif
include/ffi.h.in
+515
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@@ -0,0 +1,515 @@
/* -----------------------------------------------------------------*-C-*-
libffi @VERSION@ - Copyright (c) 2011, 2014, 2019 Anthony Green
- Copyright (c) 1996-2003, 2007, 2008 Red Hat, Inc.
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation
files (the ``Software''), to deal in the Software without
restriction, including without limitation the rights to use, copy,
modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------- */
/* -------------------------------------------------------------------
Most of the API is documented in doc/libffi.texi.
The raw API is designed to bypass some of the argument packing and
unpacking on architectures for which it can be avoided. Routines
are provided to emulate the raw API if the underlying platform
doesn't allow faster implementation.
More details on the raw API can be found in:
http://gcc.gnu.org/ml/java/1999-q3/msg00138.html
and
http://gcc.gnu.org/ml/java/1999-q3/msg00174.html
-------------------------------------------------------------------- */
#ifndef LIBFFI_H
#define LIBFFI_H
#ifdef __cplusplus
extern "C" {
#endif
/* Specify which architecture libffi is configured for. */
#ifndef @TARGET@
#define @TARGET@
#endif
/* ---- System configuration information --------------------------------- */
#include <ffitarget.h>
#ifndef LIBFFI_ASM
#if defined(_MSC_VER) && !defined(__clang__)
#define __attribute__(X)
#endif
#include <stddef.h>
#include <limits.h>
/* LONG_LONG_MAX is not always defined (not if STRICT_ANSI, for example).
But we can find it either under the correct ANSI name, or under GNU
C's internal name. */
#define FFI_64_BIT_MAX 9223372036854775807
#ifdef LONG_LONG_MAX
# define FFI_LONG_LONG_MAX LONG_LONG_MAX
#else
# ifdef LLONG_MAX
# define FFI_LONG_LONG_MAX LLONG_MAX
# ifdef _AIX52 /* or newer has C99 LLONG_MAX */
# undef FFI_64_BIT_MAX
# define FFI_64_BIT_MAX 9223372036854775807LL
# endif /* _AIX52 or newer */
# else
# ifdef __GNUC__
# define FFI_LONG_LONG_MAX __LONG_LONG_MAX__
# endif
# ifdef _AIX /* AIX 5.1 and earlier have LONGLONG_MAX */
# ifndef __PPC64__
# if defined (__IBMC__) || defined (__IBMCPP__)
# define FFI_LONG_LONG_MAX LONGLONG_MAX
# endif
# endif /* __PPC64__ */
# undef FFI_64_BIT_MAX
# define FFI_64_BIT_MAX 9223372036854775807LL
# endif
# endif
#endif
/* The closure code assumes that this works on pointers, i.e. a size_t
can hold a pointer. */
typedef struct _ffi_type
{
size_t size;
unsigned short alignment;
unsigned short type;
struct _ffi_type **elements;
} ffi_type;
/* Need minimal decorations for DLLs to work on Windows. GCC has
autoimport and autoexport. Always mark externally visible symbols
as dllimport for MSVC clients, even if it means an extra indirection
when using the static version of the library.
Besides, as a workaround, they can define FFI_BUILDING if they
*know* they are going to link with the static library. */
#if defined _MSC_VER
# if defined FFI_BUILDING_DLL /* Building libffi.DLL with msvcc.sh */
# define FFI_API __declspec(dllexport)
# elif !defined FFI_BUILDING /* Importing libffi.DLL */
# define FFI_API __declspec(dllimport)
# else /* Building/linking static library */
# define FFI_API
# endif
#else
# define FFI_API
#endif
/* The externally visible type declarations also need the MSVC DLL
decorations, or they will not be exported from the object file. */
#if defined LIBFFI_HIDE_BASIC_TYPES
# define FFI_EXTERN FFI_API
#else
# define FFI_EXTERN extern FFI_API
#endif
#ifndef LIBFFI_HIDE_BASIC_TYPES
#if SCHAR_MAX == 127
# define ffi_type_uchar ffi_type_uint8
# define ffi_type_schar ffi_type_sint8
#else
#error "char size not supported"
#endif
#if SHRT_MAX == 32767
# define ffi_type_ushort ffi_type_uint16
# define ffi_type_sshort ffi_type_sint16
#elif SHRT_MAX == 2147483647
# define ffi_type_ushort ffi_type_uint32
# define ffi_type_sshort ffi_type_sint32
#else
#error "short size not supported"
#endif
#if INT_MAX == 32767
# define ffi_type_uint ffi_type_uint16
# define ffi_type_sint ffi_type_sint16
#elif INT_MAX == 2147483647
# define ffi_type_uint ffi_type_uint32
# define ffi_type_sint ffi_type_sint32
#elif INT_MAX == 9223372036854775807
# define ffi_type_uint ffi_type_uint64
# define ffi_type_sint ffi_type_sint64
#else
#error "int size not supported"
#endif
#if LONG_MAX == 2147483647
# if FFI_LONG_LONG_MAX != FFI_64_BIT_MAX
#error "no 64-bit data type supported"
# endif
#elif LONG_MAX != FFI_64_BIT_MAX
#error "long size not supported"
#endif
#if LONG_MAX == 2147483647
# define ffi_type_ulong ffi_type_uint32
# define ffi_type_slong ffi_type_sint32
#elif LONG_MAX == FFI_64_BIT_MAX
# define ffi_type_ulong ffi_type_uint64
# define ffi_type_slong ffi_type_sint64
#else
#error "long size not supported"
#endif
/* These are defined in types.c. */
FFI_EXTERN ffi_type ffi_type_void;
FFI_EXTERN ffi_type ffi_type_uint8;
FFI_EXTERN ffi_type ffi_type_sint8;
FFI_EXTERN ffi_type ffi_type_uint16;
FFI_EXTERN ffi_type ffi_type_sint16;
FFI_EXTERN ffi_type ffi_type_uint32;
FFI_EXTERN ffi_type ffi_type_sint32;
FFI_EXTERN ffi_type ffi_type_uint64;
FFI_EXTERN ffi_type ffi_type_sint64;
FFI_EXTERN ffi_type ffi_type_float;
FFI_EXTERN ffi_type ffi_type_double;
FFI_EXTERN ffi_type ffi_type_pointer;
#if @HAVE_LONG_DOUBLE@
FFI_EXTERN ffi_type ffi_type_longdouble;
#else
#define ffi_type_longdouble ffi_type_double
#endif
#ifdef FFI_TARGET_HAS_COMPLEX_TYPE
FFI_EXTERN ffi_type ffi_type_complex_float;
FFI_EXTERN ffi_type ffi_type_complex_double;
#if @HAVE_LONG_DOUBLE@
FFI_EXTERN ffi_type ffi_type_complex_longdouble;
#else
#define ffi_type_complex_longdouble ffi_type_complex_double
#endif
#endif
#endif /* LIBFFI_HIDE_BASIC_TYPES */
typedef enum {
FFI_OK = 0,
FFI_BAD_TYPEDEF,
FFI_BAD_ABI
} ffi_status;
typedef struct {
ffi_abi abi;
unsigned nargs;
ffi_type **arg_types;
ffi_type *rtype;
unsigned bytes;
unsigned flags;
#ifdef FFI_EXTRA_CIF_FIELDS
FFI_EXTRA_CIF_FIELDS;
#endif
} ffi_cif;
/* ---- Definitions for the raw API -------------------------------------- */
#ifndef FFI_SIZEOF_ARG
# if LONG_MAX == 2147483647
# define FFI_SIZEOF_ARG 4
# elif LONG_MAX == FFI_64_BIT_MAX
# define FFI_SIZEOF_ARG 8
# endif
#endif
#ifndef FFI_SIZEOF_JAVA_RAW
# define FFI_SIZEOF_JAVA_RAW FFI_SIZEOF_ARG
#endif
typedef union {
ffi_sarg sint;
ffi_arg uint;
float flt;
char data[FFI_SIZEOF_ARG];
void* ptr;
} ffi_raw;
#if FFI_SIZEOF_JAVA_RAW == 4 && FFI_SIZEOF_ARG == 8
/* This is a special case for mips64/n32 ABI (and perhaps others) where
sizeof(void *) is 4 and FFI_SIZEOF_ARG is 8. */
typedef union {
signed int sint;
unsigned int uint;
float flt;
char data[FFI_SIZEOF_JAVA_RAW];
void* ptr;
} ffi_java_raw;
#else
typedef ffi_raw ffi_java_raw;
#endif
FFI_API
void ffi_raw_call (ffi_cif *cif,
void (*fn)(void),
void *rvalue,
ffi_raw *avalue);
FFI_API void ffi_ptrarray_to_raw (ffi_cif *cif, void **args, ffi_raw *raw);
FFI_API void ffi_raw_to_ptrarray (ffi_cif *cif, ffi_raw *raw, void **args);
FFI_API size_t ffi_raw_size (ffi_cif *cif);
/* This is analogous to the raw API, except it uses Java parameter
packing, even on 64-bit machines. I.e. on 64-bit machines longs
and doubles are followed by an empty 64-bit word. */
#if !FFI_NATIVE_RAW_API
FFI_API
void ffi_java_raw_call (ffi_cif *cif,
void (*fn)(void),
void *rvalue,
ffi_java_raw *avalue) __attribute__((deprecated));
#endif
FFI_API
void ffi_java_ptrarray_to_raw (ffi_cif *cif, void **args, ffi_java_raw *raw) __attribute__((deprecated));
FFI_API
void ffi_java_raw_to_ptrarray (ffi_cif *cif, ffi_java_raw *raw, void **args) __attribute__((deprecated));
FFI_API
size_t ffi_java_raw_size (ffi_cif *cif) __attribute__((deprecated));
/* ---- Definitions for closures ----------------------------------------- */
#if FFI_CLOSURES
#ifdef _MSC_VER
__declspec(align(8))
#endif
typedef struct {
#if @FFI_EXEC_TRAMPOLINE_TABLE@
void *trampoline_table;
void *trampoline_table_entry;
#else
char tramp[FFI_TRAMPOLINE_SIZE];
#endif
ffi_cif *cif;
void (*fun)(ffi_cif*,void*,void**,void*);
void *user_data;
} ffi_closure
#ifdef __GNUC__
__attribute__((aligned (8)))
#endif
;
#ifndef __GNUC__
# ifdef __sgi
# pragma pack 0
# endif
#endif
FFI_API void *ffi_closure_alloc (size_t size, void **code);
FFI_API void ffi_closure_free (void *);
FFI_API ffi_status
ffi_prep_closure (ffi_closure*,
ffi_cif *,
void (*fun)(ffi_cif*,void*,void**,void*),
void *user_data)
#if defined(__GNUC__) && (((__GNUC__ * 100) + __GNUC_MINOR__) >= 405)
__attribute__((deprecated ("use ffi_prep_closure_loc instead")))
#elif defined(__GNUC__) && __GNUC__ >= 3
__attribute__((deprecated))
#endif
;
FFI_API ffi_status
ffi_prep_closure_loc (ffi_closure*,
ffi_cif *,
void (*fun)(ffi_cif*,void*,void**,void*),
void *user_data,
void*codeloc);
#ifdef __sgi
# pragma pack 8
#endif
typedef struct {
#if @FFI_EXEC_TRAMPOLINE_TABLE@
void *trampoline_table;
void *trampoline_table_entry;
#else
char tramp[FFI_TRAMPOLINE_SIZE];
#endif
ffi_cif *cif;
#if !FFI_NATIVE_RAW_API
/* If this is enabled, then a raw closure has the same layout
as a regular closure. We use this to install an intermediate
handler to do the transaltion, void** -> ffi_raw*. */
void (*translate_args)(ffi_cif*,void*,void**,void*);
void *this_closure;
#endif
void (*fun)(ffi_cif*,void*,ffi_raw*,void*);
void *user_data;
} ffi_raw_closure;
typedef struct {
#if @FFI_EXEC_TRAMPOLINE_TABLE@
void *trampoline_table;
void *trampoline_table_entry;
#else
char tramp[FFI_TRAMPOLINE_SIZE];
#endif
ffi_cif *cif;
#if !FFI_NATIVE_RAW_API
/* If this is enabled, then a raw closure has the same layout
as a regular closure. We use this to install an intermediate
handler to do the translation, void** -> ffi_raw*. */
void (*translate_args)(ffi_cif*,void*,void**,void*);
void *this_closure;
#endif
void (*fun)(ffi_cif*,void*,ffi_java_raw*,void*);
void *user_data;
} ffi_java_raw_closure;
FFI_API ffi_status
ffi_prep_raw_closure (ffi_raw_closure*,
ffi_cif *cif,
void (*fun)(ffi_cif*,void*,ffi_raw*,void*),
void *user_data);
FFI_API ffi_status
ffi_prep_raw_closure_loc (ffi_raw_closure*,
ffi_cif *cif,
void (*fun)(ffi_cif*,void*,ffi_raw*,void*),
void *user_data,
void *codeloc);
#if !FFI_NATIVE_RAW_API
FFI_API ffi_status
ffi_prep_java_raw_closure (ffi_java_raw_closure*,
ffi_cif *cif,
void (*fun)(ffi_cif*,void*,ffi_java_raw*,void*),
void *user_data) __attribute__((deprecated));
FFI_API ffi_status
ffi_prep_java_raw_closure_loc (ffi_java_raw_closure*,
ffi_cif *cif,
void (*fun)(ffi_cif*,void*,ffi_java_raw*,void*),
void *user_data,
void *codeloc) __attribute__((deprecated));
#endif
#endif /* FFI_CLOSURES */
#if FFI_GO_CLOSURES
typedef struct {
void *tramp;
ffi_cif *cif;
void (*fun)(ffi_cif*,void*,void**,void*);
} ffi_go_closure;
FFI_API ffi_status ffi_prep_go_closure (ffi_go_closure*, ffi_cif *,
void (*fun)(ffi_cif*,void*,void**,void*));
FFI_API void ffi_call_go (ffi_cif *cif, void (*fn)(void), void *rvalue,
void **avalue, void *closure);
#endif /* FFI_GO_CLOSURES */
/* ---- Public interface definition -------------------------------------- */
FFI_API
ffi_status ffi_prep_cif(ffi_cif *cif,
ffi_abi abi,
unsigned int nargs,
ffi_type *rtype,
ffi_type **atypes);
FFI_API
ffi_status ffi_prep_cif_var(ffi_cif *cif,
ffi_abi abi,
unsigned int nfixedargs,
unsigned int ntotalargs,
ffi_type *rtype,
ffi_type **atypes);
FFI_API
void ffi_call(ffi_cif *cif,
void (*fn)(void),
void *rvalue,
void **avalue);
FFI_API
ffi_status ffi_get_struct_offsets (ffi_abi abi, ffi_type *struct_type,
size_t *offsets);
/* Useful for eliminating compiler warnings. */
#define FFI_FN(f) ((void (*)(void))f)
/* ---- Definitions shared with assembly code ---------------------------- */
#endif
/* If these change, update src/mips/ffitarget.h. */
#define FFI_TYPE_VOID 0
#define FFI_TYPE_INT 1
#define FFI_TYPE_FLOAT 2
#define FFI_TYPE_DOUBLE 3
#if @HAVE_LONG_DOUBLE@
#define FFI_TYPE_LONGDOUBLE 4
#else
#define FFI_TYPE_LONGDOUBLE FFI_TYPE_DOUBLE
#endif
#define FFI_TYPE_UINT8 5
#define FFI_TYPE_SINT8 6
#define FFI_TYPE_UINT16 7
#define FFI_TYPE_SINT16 8
#define FFI_TYPE_UINT32 9
#define FFI_TYPE_SINT32 10
#define FFI_TYPE_UINT64 11
#define FFI_TYPE_SINT64 12
#define FFI_TYPE_STRUCT 13
#define FFI_TYPE_POINTER 14
#define FFI_TYPE_COMPLEX 15
/* This should always refer to the last type code (for sanity checks). */
#define FFI_TYPE_LAST FFI_TYPE_COMPLEX
#ifdef __cplusplus
}
#endif
#endif
include/ffi_cfi.h
+55
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/* -----------------------------------------------------------------------
ffi_cfi.h - Copyright (c) 2014 Red Hat, Inc.
Conditionally assemble cfi directives. Only necessary for building libffi.
----------------------------------------------------------------------- */
#ifndef FFI_CFI_H
#define FFI_CFI_H
#ifdef HAVE_AS_CFI_PSEUDO_OP
# define cfi_startproc .cfi_startproc
# define cfi_endproc .cfi_endproc
# define cfi_def_cfa(reg, off) .cfi_def_cfa reg, off
# define cfi_def_cfa_register(reg) .cfi_def_cfa_register reg
# define cfi_def_cfa_offset(off) .cfi_def_cfa_offset off
# define cfi_adjust_cfa_offset(off) .cfi_adjust_cfa_offset off
# define cfi_offset(reg, off) .cfi_offset reg, off
# define cfi_rel_offset(reg, off) .cfi_rel_offset reg, off
# define cfi_register(r1, r2) .cfi_register r1, r2
# define cfi_return_column(reg) .cfi_return_column reg
# define cfi_restore(reg) .cfi_restore reg
# define cfi_same_value(reg) .cfi_same_value reg
# define cfi_undefined(reg) .cfi_undefined reg
# define cfi_remember_state .cfi_remember_state
# define cfi_restore_state .cfi_restore_state
# define cfi_window_save .cfi_window_save
# define cfi_personality(enc, exp) .cfi_personality enc, exp
# define cfi_lsda(enc, exp) .cfi_lsda enc, exp
# define cfi_escape(...) .cfi_escape __VA_ARGS__
#else
# define cfi_startproc
# define cfi_endproc
# define cfi_def_cfa(reg, off)
# define cfi_def_cfa_register(reg)
# define cfi_def_cfa_offset(off)
# define cfi_adjust_cfa_offset(off)
# define cfi_offset(reg, off)
# define cfi_rel_offset(reg, off)
# define cfi_register(r1, r2)
# define cfi_return_column(reg)
# define cfi_restore(reg)
# define cfi_same_value(reg)
# define cfi_undefined(reg)
# define cfi_remember_state
# define cfi_restore_state
# define cfi_window_save
# define cfi_personality(enc, exp)
# define cfi_lsda(enc, exp)
# define cfi_escape(...)
#endif /* HAVE_AS_CFI_PSEUDO_OP */
#endif /* FFI_CFI_H */
include/ffi_common.h
+153
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/* -----------------------------------------------------------------------
ffi_common.h - Copyright (C) 2011, 2012, 2013 Anthony Green
Copyright (C) 2007 Free Software Foundation, Inc
Copyright (c) 1996 Red Hat, Inc.
Common internal definitions and macros. Only necessary for building
libffi.
----------------------------------------------------------------------- */
#ifndef FFI_COMMON_H
#define FFI_COMMON_H
#ifdef __cplusplus
extern "C" {
#endif
#include <fficonfig.h>
/* Do not move this. Some versions of AIX are very picky about where
this is positioned. */
#ifdef __GNUC__
# if HAVE_ALLOCA_H
# include <alloca.h>
# else
/* mingw64 defines this already in malloc.h. */
# ifndef alloca
# define alloca __builtin_alloca
# endif
# endif
# define MAYBE_UNUSED __attribute__((__unused__))
#else
# define MAYBE_UNUSED
# if HAVE_ALLOCA_H
# include <alloca.h>
# else
# ifdef _AIX
# pragma alloca
# else
# ifndef alloca /* predefined by HP cc +Olibcalls */
# ifdef _MSC_VER
# define alloca _alloca
# else
char *alloca ();
# endif
# endif
# endif
# endif
#endif
/* Check for the existence of memcpy. */
#if STDC_HEADERS
# include <string.h>
#else
# ifndef HAVE_MEMCPY
# define memcpy(d, s, n) bcopy ((s), (d), (n))
# endif
#endif
#if defined(FFI_DEBUG)
#include <stdio.h>
#endif
#ifdef FFI_DEBUG
void ffi_assert(char *expr, char *file, int line);
void ffi_stop_here(void);
void ffi_type_test(ffi_type *a, char *file, int line);
#define FFI_ASSERT(x) ((x) ? (void)0 : ffi_assert(#x, __FILE__,__LINE__))
#define FFI_ASSERT_AT(x, f, l) ((x) ? 0 : ffi_assert(#x, (f), (l)))
#define FFI_ASSERT_VALID_TYPE(x) ffi_type_test (x, __FILE__, __LINE__)
#else
#define FFI_ASSERT(x)
#define FFI_ASSERT_AT(x, f, l)
#define FFI_ASSERT_VALID_TYPE(x)
#endif
/* v cast to size_t and aligned up to a multiple of a */
#define FFI_ALIGN(v, a) (((((size_t) (v))-1) | ((a)-1))+1)
/* v cast to size_t and aligned down to a multiple of a */
#define FFI_ALIGN_DOWN(v, a) (((size_t) (v)) & -a)
/* Perform machine dependent cif processing */
ffi_status ffi_prep_cif_machdep(ffi_cif *cif);
ffi_status ffi_prep_cif_machdep_var(ffi_cif *cif,
unsigned int nfixedargs, unsigned int ntotalargs);
#if HAVE_LONG_DOUBLE_VARIANT
/* Used to adjust size/alignment of ffi types. */
void ffi_prep_types (ffi_abi abi);
#endif
/* Used internally, but overridden by some architectures */
ffi_status ffi_prep_cif_core(ffi_cif *cif,
ffi_abi abi,
unsigned int isvariadic,
unsigned int nfixedargs,
unsigned int ntotalargs,
ffi_type *rtype,
ffi_type **atypes);
/* Translate a data pointer to a code pointer. Needed for closures on
some targets. */
void *ffi_data_to_code_pointer (void *data) FFI_HIDDEN;
/* Extended cif, used in callback from assembly routine */
typedef struct
{
ffi_cif *cif;
void *rvalue;
void **avalue;
} extended_cif;
/* Terse sized type definitions. */
#if defined(_MSC_VER) || defined(__sgi) || defined(__SUNPRO_C)
typedef unsigned char UINT8;
typedef signed char SINT8;
typedef unsigned short UINT16;
typedef signed short SINT16;
typedef unsigned int UINT32;
typedef signed int SINT32;
# ifdef _MSC_VER
typedef unsigned __int64 UINT64;
typedef signed __int64 SINT64;
# else
# include <inttypes.h>
typedef uint64_t UINT64;
typedef int64_t SINT64;
# endif
#else
typedef unsigned int UINT8 __attribute__((__mode__(__QI__)));
typedef signed int SINT8 __attribute__((__mode__(__QI__)));
typedef unsigned int UINT16 __attribute__((__mode__(__HI__)));
typedef signed int SINT16 __attribute__((__mode__(__HI__)));
typedef unsigned int UINT32 __attribute__((__mode__(__SI__)));
typedef signed int SINT32 __attribute__((__mode__(__SI__)));
typedef unsigned int UINT64 __attribute__((__mode__(__DI__)));
typedef signed int SINT64 __attribute__((__mode__(__DI__)));
#endif
typedef float FLOAT32;
#ifndef __GNUC__
#define __builtin_expect(x, expected_value) (x)
#endif
#define LIKELY(x) __builtin_expect(!!(x),1)
#define UNLIKELY(x) __builtin_expect((x)!=0,0)
#ifdef __cplusplus
}
#endif
#endif
include/ffitarget-aarch64.h
Executable
+88
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@@ -0,0 +1,88 @@
/* Copyright (c) 2009, 2010, 2011, 2012 ARM Ltd.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
``Software''), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#ifndef LIBFFI_TARGET_H
#define LIBFFI_TARGET_H
#ifndef LIBFFI_H
#error "Please do not include ffitarget.h directly into your source. Use ffi.h instead."
#endif
#ifndef LIBFFI_ASM
#ifdef __ILP32__
#define FFI_SIZEOF_ARG 8
#define FFI_SIZEOF_JAVA_RAW 4
typedef unsigned long long ffi_arg;
typedef signed long long ffi_sarg;
#elif defined(_M_ARM64)
#define FFI_SIZEOF_ARG 8
typedef unsigned long long ffi_arg;
typedef signed long long ffi_sarg;
#else
typedef unsigned long ffi_arg;
typedef signed long ffi_sarg;
#endif
typedef enum ffi_abi
{
FFI_FIRST_ABI = 0,
FFI_SYSV,
FFI_LAST_ABI,
FFI_DEFAULT_ABI = FFI_SYSV
} ffi_abi;
#endif
/* ---- Definitions for closures ----------------------------------------- */
#define FFI_CLOSURES 1
#define FFI_NATIVE_RAW_API 0
#if defined (FFI_EXEC_TRAMPOLINE_TABLE) && FFI_EXEC_TRAMPOLINE_TABLE
#ifdef __MACH__
#define FFI_TRAMPOLINE_SIZE 16
#define FFI_TRAMPOLINE_CLOSURE_OFFSET 16
#else
#error "No trampoline table implementation"
#endif
#else
#define FFI_TRAMPOLINE_SIZE 24
#define FFI_TRAMPOLINE_CLOSURE_OFFSET FFI_TRAMPOLINE_SIZE
#endif
/* ---- Internal ---- */
#if defined (__APPLE__)
#define FFI_TARGET_SPECIFIC_VARIADIC
#define FFI_EXTRA_CIF_FIELDS unsigned aarch64_nfixedargs
#elif !defined(_M_ARM64)
/* iOS and Windows reserve x18 for the system. Disable Go closures until
a new static chain is chosen. */
#define FFI_GO_CLOSURES 1
#endif
#ifndef _M_ARM64
/* No complex type on Windows */
#define FFI_TARGET_HAS_COMPLEX_TYPE
#endif
#endif
include/ffitarget-arm.h
Executable
+82
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@@ -0,0 +1,82 @@
/* -----------------------------------------------------------------*-C-*-
ffitarget.h - Copyright (c) 2012 Anthony Green
Copyright (c) 2010 CodeSourcery
Copyright (c) 1996-2003 Red Hat, Inc.
Target configuration macros for ARM.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
``Software''), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------- */
#ifndef LIBFFI_TARGET_H
#define LIBFFI_TARGET_H
#ifndef LIBFFI_H
#error "Please do not include ffitarget.h directly into your source. Use ffi.h instead."
#endif
#ifndef LIBFFI_ASM
typedef unsigned long ffi_arg;
typedef signed long ffi_sarg;
typedef enum ffi_abi {
FFI_FIRST_ABI = 0,
FFI_SYSV,
FFI_VFP,
FFI_LAST_ABI,
#ifdef __ARM_PCS_VFP
FFI_DEFAULT_ABI = FFI_VFP,
#else
FFI_DEFAULT_ABI = FFI_SYSV,
#endif
} ffi_abi;
#endif
#define FFI_EXTRA_CIF_FIELDS \
int vfp_used; \
unsigned short vfp_reg_free, vfp_nargs; \
signed char vfp_args[16] \
#define FFI_TARGET_SPECIFIC_VARIADIC
#define FFI_TARGET_HAS_COMPLEX_TYPE
/* ---- Definitions for closures ----------------------------------------- */
#define FFI_CLOSURES 1
#define FFI_GO_CLOSURES 1
#define FFI_NATIVE_RAW_API 0
#if defined (FFI_EXEC_TRAMPOLINE_TABLE) && FFI_EXEC_TRAMPOLINE_TABLE
#ifdef __MACH__
#define FFI_TRAMPOLINE_SIZE 12
#define FFI_TRAMPOLINE_CLOSURE_OFFSET 8
#else
#error "No trampoline table implementation"
#endif
#else
#define FFI_TRAMPOLINE_SIZE 12
#define FFI_TRAMPOLINE_CLOSURE_OFFSET FFI_TRAMPOLINE_SIZE
#endif
#endif
include/ffitarget.h
Executable
+21
View File
@@ -0,0 +1,21 @@
/* Include the correct ffitarget.h automatically. This helps us create prefixes
* with multi-lib Linux and OSX/iOS universal builds. To avoid listing all
* possible architectures here, we try the configured target arch first and then
* include the most common multilib/universal setups in the #elif ladder */
#ifdef __arm__
#include "ffitarget-arm.h"
#elif defined(__i386__) || defined(_M_IX86)
#include "ffitarget-x86.h"
#elif defined(__x86_64__) || defined(_M_X64)
#include "ffitarget-x86_64.h"
#elif defined(__arm__) || defined(_M_ARM)
#include "ffitarget-arm.h"
#elif defined(__aarch64__) || defined(_M_ARM64)
#include "ffitarget-aarch64.h"
#elif defined(__powerpc__) || defined(_M_PPC)
#include "ffitarget-powerpc.h"
#elif defined(__powerpc64__)
#include "ffitarget-powerpc64.h"
#else
#error "Unsupported Architecture"
#endif
install-sh
Executable
+518
View File
@@ -0,0 +1,518 @@
#!/bin/sh
# install - install a program, script, or datafile
scriptversion=2018-03-11.20; # UTC
# This originates from X11R5 (mit/util/scripts/install.sh), which was
# later released in X11R6 (xc/config/util/install.sh) with the
# following copyright and license.
#
# Copyright (C) 1994 X Consortium
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
# Except as contained in this notice, the name of the X Consortium shall not
# be used in advertising or otherwise to promote the sale, use or other deal-
# ings in this Software without prior written authorization from the X Consor-
# tium.
#
#
# FSF changes to this file are in the public domain.
#
# Calling this script install-sh is preferred over install.sh, to prevent
# 'make' implicit rules from creating a file called install from it
# when there is no Makefile.
#
# This script is compatible with the BSD install script, but was written
# from scratch.
tab=' '
nl='
'
IFS=" $tab$nl"
# Set DOITPROG to "echo" to test this script.
doit=${DOITPROG-}
doit_exec=${doit:-exec}
# Put in absolute file names if you don't have them in your path;
# or use environment vars.
chgrpprog=${CHGRPPROG-chgrp}
chmodprog=${CHMODPROG-chmod}
chownprog=${CHOWNPROG-chown}
cmpprog=${CMPPROG-cmp}
cpprog=${CPPROG-cp}
mkdirprog=${MKDIRPROG-mkdir}
mvprog=${MVPROG-mv}
rmprog=${RMPROG-rm}
stripprog=${STRIPPROG-strip}
posix_mkdir=
# Desired mode of installed file.
mode=0755
chgrpcmd=
chmodcmd=$chmodprog
chowncmd=
mvcmd=$mvprog
rmcmd="$rmprog -f"
stripcmd=
src=
dst=
dir_arg=
dst_arg=
copy_on_change=false
is_target_a_directory=possibly
usage="\
Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
or: $0 [OPTION]... SRCFILES... DIRECTORY
or: $0 [OPTION]... -t DIRECTORY SRCFILES...
or: $0 [OPTION]... -d DIRECTORIES...
In the 1st form, copy SRCFILE to DSTFILE.
In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
In the 4th, create DIRECTORIES.
Options:
--help display this help and exit.
--version display version info and exit.
-c (ignored)
-C install only if different (preserve the last data modification time)
-d create directories instead of installing files.
-g GROUP $chgrpprog installed files to GROUP.
-m MODE $chmodprog installed files to MODE.
-o USER $chownprog installed files to USER.
-s $stripprog installed files.
-t DIRECTORY install into DIRECTORY.
-T report an error if DSTFILE is a directory.
Environment variables override the default commands:
CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
RMPROG STRIPPROG
"
while test $# -ne 0; do
case $1 in
-c) ;;
-C) copy_on_change=true;;
-d) dir_arg=true;;
-g) chgrpcmd="$chgrpprog $2"
shift;;
--help) echo "$usage"; exit $?;;
-m) mode=$2
case $mode in
*' '* | *"$tab"* | *"$nl"* | *'*'* | *'?'* | *'['*)
echo "$0: invalid mode: $mode" >&2
exit 1;;
esac
shift;;
-o) chowncmd="$chownprog $2"
shift;;
-s) stripcmd=$stripprog;;
-t)
is_target_a_directory=always
dst_arg=$2
# Protect names problematic for 'test' and other utilities.
case $dst_arg in
-* | [=\(\)!]) dst_arg=./$dst_arg;;
esac
shift;;
-T) is_target_a_directory=never;;
--version) echo "$0 $scriptversion"; exit $?;;
--) shift
break;;
-*) echo "$0: invalid option: $1" >&2
exit 1;;
*) break;;
esac
shift
done
# We allow the use of options -d and -T together, by making -d
# take the precedence; this is for compatibility with GNU install.
if test -n "$dir_arg"; then
if test -n "$dst_arg"; then
echo "$0: target directory not allowed when installing a directory." >&2
exit 1
fi
fi
if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
# When -d is used, all remaining arguments are directories to create.
# When -t is used, the destination is already specified.
# Otherwise, the last argument is the destination. Remove it from $@.
for arg
do
if test -n "$dst_arg"; then
# $@ is not empty: it contains at least $arg.
set fnord "$@" "$dst_arg"
shift # fnord
fi
shift # arg
dst_arg=$arg
# Protect names problematic for 'test' and other utilities.
case $dst_arg in
-* | [=\(\)!]) dst_arg=./$dst_arg;;
esac
done
fi
if test $# -eq 0; then
if test -z "$dir_arg"; then
echo "$0: no input file specified." >&2
exit 1
fi
# It's OK to call 'install-sh -d' without argument.
# This can happen when creating conditional directories.
exit 0
fi
if test -z "$dir_arg"; then
if test $# -gt 1 || test "$is_target_a_directory" = always; then
if test ! -d "$dst_arg"; then
echo "$0: $dst_arg: Is not a directory." >&2
exit 1
fi
fi
fi
if test -z "$dir_arg"; then
do_exit='(exit $ret); exit $ret'
trap "ret=129; $do_exit" 1
trap "ret=130; $do_exit" 2
trap "ret=141; $do_exit" 13
trap "ret=143; $do_exit" 15
# Set umask so as not to create temps with too-generous modes.
# However, 'strip' requires both read and write access to temps.
case $mode in
# Optimize common cases.
*644) cp_umask=133;;
*755) cp_umask=22;;
*[0-7])
if test -z "$stripcmd"; then
u_plus_rw=
else
u_plus_rw='% 200'
fi
cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
*)
if test -z "$stripcmd"; then
u_plus_rw=
else
u_plus_rw=,u+rw
fi
cp_umask=$mode$u_plus_rw;;
esac
fi
for src
do
# Protect names problematic for 'test' and other utilities.
case $src in
-* | [=\(\)!]) src=./$src;;
esac
if test -n "$dir_arg"; then
dst=$src
dstdir=$dst
test -d "$dstdir"
dstdir_status=$?
else
# Waiting for this to be detected by the "$cpprog $src $dsttmp" command
# might cause directories to be created, which would be especially bad
# if $src (and thus $dsttmp) contains '*'.
if test ! -f "$src" && test ! -d "$src"; then
echo "$0: $src does not exist." >&2
exit 1
fi
if test -z "$dst_arg"; then
echo "$0: no destination specified." >&2
exit 1
fi
dst=$dst_arg
# If destination is a directory, append the input filename.
if test -d "$dst"; then
if test "$is_target_a_directory" = never; then
echo "$0: $dst_arg: Is a directory" >&2
exit 1
fi
dstdir=$dst
dstbase=`basename "$src"`
case $dst in
*/) dst=$dst$dstbase;;
*) dst=$dst/$dstbase;;
esac
dstdir_status=0
else
dstdir=`dirname "$dst"`
test -d "$dstdir"
dstdir_status=$?
fi
fi
case $dstdir in
*/) dstdirslash=$dstdir;;
*) dstdirslash=$dstdir/;;
esac
obsolete_mkdir_used=false
if test $dstdir_status != 0; then
case $posix_mkdir in
'')
# Create intermediate dirs using mode 755 as modified by the umask.
# This is like FreeBSD 'install' as of 1997-10-28.
umask=`umask`
case $stripcmd.$umask in
# Optimize common cases.
*[2367][2367]) mkdir_umask=$umask;;
.*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
*[0-7])
mkdir_umask=`expr $umask + 22 \
- $umask % 100 % 40 + $umask % 20 \
- $umask % 10 % 4 + $umask % 2
`;;
*) mkdir_umask=$umask,go-w;;
esac
# With -d, create the new directory with the user-specified mode.
# Otherwise, rely on $mkdir_umask.
if test -n "$dir_arg"; then
mkdir_mode=-m$mode
else
mkdir_mode=
fi
posix_mkdir=false
case $umask in
*[123567][0-7][0-7])
# POSIX mkdir -p sets u+wx bits regardless of umask, which
# is incompatible with FreeBSD 'install' when (umask & 300) != 0.
;;
*)
# Note that $RANDOM variable is not portable (e.g. dash); Use it
# here however when possible just to lower collision chance.
tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
trap 'ret=$?; rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir" 2>/dev/null; exit $ret' 0
# Because "mkdir -p" follows existing symlinks and we likely work
# directly in world-writeable /tmp, make sure that the '$tmpdir'
# directory is successfully created first before we actually test
# 'mkdir -p' feature.
if (umask $mkdir_umask &&
$mkdirprog $mkdir_mode "$tmpdir" &&
exec $mkdirprog $mkdir_mode -p -- "$tmpdir/a/b") >/dev/null 2>&1
then
if test -z "$dir_arg" || {
# Check for POSIX incompatibilities with -m.
# HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
# other-writable bit of parent directory when it shouldn't.
# FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
test_tmpdir="$tmpdir/a"
ls_ld_tmpdir=`ls -ld "$test_tmpdir"`
case $ls_ld_tmpdir in
d????-?r-*) different_mode=700;;
d????-?--*) different_mode=755;;
*) false;;
esac &&
$mkdirprog -m$different_mode -p -- "$test_tmpdir" && {
ls_ld_tmpdir_1=`ls -ld "$test_tmpdir"`
test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
}
}
then posix_mkdir=:
fi
rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir"
else
# Remove any dirs left behind by ancient mkdir implementations.
rmdir ./$mkdir_mode ./-p ./-- "$tmpdir" 2>/dev/null
fi
trap '' 0;;
esac;;
esac
if
$posix_mkdir && (
umask $mkdir_umask &&
$doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
)
then :
else
# The umask is ridiculous, or mkdir does not conform to POSIX,
# or it failed possibly due to a race condition. Create the
# directory the slow way, step by step, checking for races as we go.
case $dstdir in
/*) prefix='/';;
[-=\(\)!]*) prefix='./';;
*) prefix='';;
esac
oIFS=$IFS
IFS=/
set -f
set fnord $dstdir
shift
set +f
IFS=$oIFS
prefixes=
for d
do
test X"$d" = X && continue
prefix=$prefix$d
if test -d "$prefix"; then
prefixes=
else
if $posix_mkdir; then
(umask=$mkdir_umask &&
$doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
# Don't fail if two instances are running concurrently.
test -d "$prefix" || exit 1
else
case $prefix in
*\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
*) qprefix=$prefix;;
esac
prefixes="$prefixes '$qprefix'"
fi
fi
prefix=$prefix/
done
if test -n "$prefixes"; then
# Don't fail if two instances are running concurrently.
(umask $mkdir_umask &&
eval "\$doit_exec \$mkdirprog $prefixes") ||
test -d "$dstdir" || exit 1
obsolete_mkdir_used=true
fi
fi
fi
if test -n "$dir_arg"; then
{ test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
{ test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
{ test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
else
# Make a couple of temp file names in the proper directory.
dsttmp=${dstdirslash}_inst.$$_
rmtmp=${dstdirslash}_rm.$$_
# Trap to clean up those temp files at exit.
trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
# Copy the file name to the temp name.
(umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
# and set any options; do chmod last to preserve setuid bits.
#
# If any of these fail, we abort the whole thing. If we want to
# ignore errors from any of these, just make sure not to ignore
# errors from the above "$doit $cpprog $src $dsttmp" command.
#
{ test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
{ test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
{ test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
{ test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
# If -C, don't bother to copy if it wouldn't change the file.
if $copy_on_change &&
old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` &&
new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` &&
set -f &&
set X $old && old=:$2:$4:$5:$6 &&
set X $new && new=:$2:$4:$5:$6 &&
set +f &&
test "$old" = "$new" &&
$cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
then
rm -f "$dsttmp"
else
# Rename the file to the real destination.
$doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
# The rename failed, perhaps because mv can't rename something else
# to itself, or perhaps because mv is so ancient that it does not
# support -f.
{
# Now remove or move aside any old file at destination location.
# We try this two ways since rm can't unlink itself on some
# systems and the destination file might be busy for other
# reasons. In this case, the final cleanup might fail but the new
# file should still install successfully.
{
test ! -f "$dst" ||
$doit $rmcmd -f "$dst" 2>/dev/null ||
{ $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
{ $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
} ||
{ echo "$0: cannot unlink or rename $dst" >&2
(exit 1); exit 1
}
} &&
# Now rename the file to the real destination.
$doit $mvcmd "$dsttmp" "$dst"
}
fi || exit 1
trap '' 0
fi
done
# Local variables:
# eval: (add-hook 'before-save-hook 'time-stamp)
# time-stamp-start: "scriptversion="
# time-stamp-format: "%:y-%02m-%02d.%02H"
# time-stamp-time-zone: "UTC0"
# time-stamp-end: "; # UTC"
# End:
libffi.map.in
+80
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@@ -0,0 +1,80 @@
#define LIBFFI_ASM
#define LIBFFI_H
#include <fficonfig.h>
#include <ffitarget.h>
/* These version numbers correspond to the libtool-version abi numbers,
not to the libffi release numbers. */
LIBFFI_BASE_7.0 {
global:
/* Exported data variables. */
ffi_type_void;
ffi_type_uint8;
ffi_type_sint8;
ffi_type_uint16;
ffi_type_sint16;
ffi_type_uint32;
ffi_type_sint32;
ffi_type_uint64;
ffi_type_sint64;
ffi_type_float;
ffi_type_double;
ffi_type_longdouble;
ffi_type_pointer;
/* Exported functions. */
ffi_call;
ffi_prep_cif;
ffi_prep_cif_var;
ffi_raw_call;
ffi_ptrarray_to_raw;
ffi_raw_to_ptrarray;
ffi_raw_size;
ffi_java_raw_call;
ffi_java_ptrarray_to_raw;
ffi_java_raw_to_ptrarray;
ffi_java_raw_size;
local:
*;
};
LIBFFI_BASE_7.1 {
global:
ffi_get_struct_offsets;
} LIBFFI_BASE_7.0;
#ifdef FFI_TARGET_HAS_COMPLEX_TYPE
LIBFFI_COMPLEX_7.0 {
global:
/* Exported data variables. */
ffi_type_complex_float;
ffi_type_complex_double;
ffi_type_complex_longdouble;
} LIBFFI_BASE_7.0;
#endif
#if FFI_CLOSURES
LIBFFI_CLOSURE_7.0 {
global:
ffi_closure_alloc;
ffi_closure_free;
ffi_prep_closure;
ffi_prep_closure_loc;
ffi_prep_raw_closure;
ffi_prep_raw_closure_loc;
ffi_prep_java_raw_closure;
ffi_prep_java_raw_closure_loc;
} LIBFFI_BASE_7.0;
#endif
#if FFI_GO_CLOSURES
LIBFFI_GO_CLOSURE_7.0 {
global:
ffi_call_go;
ffi_prep_go_closure;
} LIBFFI_CLOSURE_7.0;
#endif
libffi.pc.in
+11
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@@ -0,0 +1,11 @@
prefix=@prefix@
exec_prefix=@exec_prefix@
libdir=@libdir@
toolexeclibdir=@toolexeclibdir@
includedir=@includedir@
Name: @PACKAGE_NAME@
Description: Library supporting Foreign Function Interfaces
Version: @PACKAGE_VERSION@
Libs: -L${toolexeclibdir} -lffi
Cflags: -I${includedir}
libffi.xcodeproj/project.pbxproj
+1043
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File diff suppressed because it is too large Load Diff
libtool-ldflags
Executable
+106
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@@ -0,0 +1,106 @@
#! /bin/sh
# Script to translate LDFLAGS into a form suitable for use with libtool.
# Copyright (C) 2005 Free Software Foundation, Inc.
#
# This file is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301, USA.
# Contributed by CodeSourcery, LLC.
# This script is designed to be used from a Makefile that uses libtool
# to build libraries as follows:
#
# LTLDFLAGS = $(shell libtool-ldflags $(LDFLAGS))
#
# Then, use (LTLDFLAGS) in place of $(LDFLAGS) in your link line.
# The output of the script. This string is built up as we process the
# arguments.
result=
prev_arg=
for arg
do
case $arg in
-f*|--*)
# Libtool does not ascribe any special meaning options
# that begin with -f or with a double-dash. So, it will
# think these options are linker options, and prefix them
# with "-Wl,". Then, the compiler driver will ignore the
# options. So, we prefix these options with -Xcompiler to
# make clear to libtool that they are in fact compiler
# options.
case $prev_arg in
-Xpreprocessor|-Xcompiler|-Xlinker)
# This option is already prefixed; don't prefix it again.
;;
*)
result="$result -Xcompiler"
;;
esac
;;
*)
# We do not want to add -Xcompiler to other options because
# that would prevent libtool itself from recognizing them.
;;
esac
prev_arg=$arg
# If $(LDFLAGS) is (say):
# a "b'c d" e
# then the user expects that:
# $(LD) $(LDFLAGS)
# will pass three arguments to $(LD):
# 1) a
# 2) b'c d
# 3) e
# We must ensure, therefore, that the arguments are appropriately
# quoted so that using:
# libtool --mode=link ... $(LTLDFLAGS)
# will result in the same number of arguments being passed to
# libtool. In other words, when this script was invoked, the shell
# removed one level of quoting, present in $(LDFLAGS); we have to put
# it back.
# Quote any embedded single quotes.
case $arg in
*"'"*)
# The following command creates the script:
# 1s,^X,,;s|'|'"'"'|g
# which removes a leading X, and then quotes and embedded single
# quotes.
sed_script="1s,^X,,;s|'|'\"'\"'|g"
# Add a leading "X" so that if $arg starts with a dash,
# the echo command will not try to interpret the argument
# as a command-line option.
arg="X$arg"
# Generate the quoted string.
quoted_arg=`echo "$arg" | sed -e "$sed_script"`
;;
*)
quoted_arg=$arg
;;
esac
# Surround the entire argument with single quotes.
quoted_arg="'"$quoted_arg"'"
# Add it to the string.
result="$result $quoted_arg"
done
# Output the string we have built up.
echo "$result"
libtool-version
+29
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@@ -0,0 +1,29 @@
# This file is used to maintain libtool version info for libffi. See
# the libtool manual to understand the meaning of the fields. This is
# a separate file so that version updates don't involve re-running
# automake.
#
# Here are a set of rules to help you update your library version
# information:
#
# 1. Start with version information of `0:0:0' for each libtool library.
#
# 2. Update the version information only immediately before a public
# release of your software. More frequent updates are unnecessary,
# and only guarantee that the current interface number gets larger
# faster.
#
# 3. If the library source code has changed at all since the last
# update, then increment revision (`c:r:a' becomes `c:r+1:a').
#
# 4. If any interfaces have been added, removed, or changed since the
# last update, increment current, and set revision to 0.
#
# 5. If any interfaces have been added since the last public release,
# then increment age.
#
# 6. If any interfaces have been removed since the last public
# release, then set age to 0.
#
# CURRENT:REVISION:AGE
8:0:1
ltmain.sh
+11149
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File diff suppressed because it is too large Load Diff
m4/asmcfi.m4
+13
View File
@@ -0,0 +1,13 @@
AC_DEFUN([GCC_AS_CFI_PSEUDO_OP],
[AC_CACHE_CHECK([assembler .cfi pseudo-op support],
gcc_cv_as_cfi_pseudo_op, [
gcc_cv_as_cfi_pseudo_op=unknown
AC_TRY_COMPILE([asm (".cfi_sections\n\t.cfi_startproc\n\t.cfi_endproc");],,
[gcc_cv_as_cfi_pseudo_op=yes],
[gcc_cv_as_cfi_pseudo_op=no])
])
if test "x$gcc_cv_as_cfi_pseudo_op" = xyes; then
AC_DEFINE(HAVE_AS_CFI_PSEUDO_OP, 1,
[Define if your assembler supports .cfi_* directives.])
fi
])
m4/ax_append_flag.m4
+50
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@@ -0,0 +1,50 @@
# ===========================================================================
# https://www.gnu.org/software/autoconf-archive/ax_append_flag.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_APPEND_FLAG(FLAG, [FLAGS-VARIABLE])
#
# DESCRIPTION
#
# FLAG is appended to the FLAGS-VARIABLE shell variable, with a space
# added in between.
#
# If FLAGS-VARIABLE is not specified, the current language's flags (e.g.
# CFLAGS) is used. FLAGS-VARIABLE is not changed if it already contains
# FLAG. If FLAGS-VARIABLE is unset in the shell, it is set to exactly
# FLAG.
#
# NOTE: Implementation based on AX_CFLAGS_GCC_OPTION.
#
# LICENSE
#
# Copyright (c) 2008 Guido U. Draheim <guidod@gmx.de>
# Copyright (c) 2011 Maarten Bosmans <mkbosmans@gmail.com>
#
# Copying and distribution of this file, with or without modification, are
# permitted in any medium without royalty provided the copyright notice
# and this notice are preserved. This file is offered as-is, without any
# warranty.
#serial 8
AC_DEFUN([AX_APPEND_FLAG],
[dnl
AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_SET_IF
AS_VAR_PUSHDEF([FLAGS], [m4_default($2,_AC_LANG_PREFIX[FLAGS])])
AS_VAR_SET_IF(FLAGS,[
AS_CASE([" AS_VAR_GET(FLAGS) "],
[*" $1 "*], [AC_RUN_LOG([: FLAGS already contains $1])],
[
AS_VAR_APPEND(FLAGS,[" $1"])
AC_RUN_LOG([: FLAGS="$FLAGS"])
])
],
[
AS_VAR_SET(FLAGS,[$1])
AC_RUN_LOG([: FLAGS="$FLAGS"])
])
AS_VAR_POPDEF([FLAGS])dnl
])dnl AX_APPEND_FLAG
m4/ax_cc_maxopt.m4
+194
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@@ -0,0 +1,194 @@
# ===========================================================================
# https://www.gnu.org/software/autoconf-archive/ax_cc_maxopt.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_CC_MAXOPT
#
# DESCRIPTION
#
# Try to turn on "good" C optimization flags for various compilers and
# architectures, for some definition of "good". (In our case, good for
# FFTW and hopefully for other scientific codes. Modify as needed.)
#
# The user can override the flags by setting the CFLAGS environment
# variable. The user can also specify --enable-portable-binary in order to
# disable any optimization flags that might result in a binary that only
# runs on the host architecture.
#
# Note also that the flags assume that ANSI C aliasing rules are followed
# by the code (e.g. for gcc's -fstrict-aliasing), and that floating-point
# computations can be re-ordered as needed.
#
# Requires macros: AX_CHECK_COMPILE_FLAG, AX_COMPILER_VENDOR,
# AX_GCC_ARCHFLAG, AX_GCC_X86_CPUID.
#
# LICENSE
#
# Copyright (c) 2008 Steven G. Johnson <stevenj@alum.mit.edu>
# Copyright (c) 2008 Matteo Frigo
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation, either version 3 of the License, or (at your
# option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program. If not, see <https://www.gnu.org/licenses/>.
#
# As a special exception, the respective Autoconf Macro's copyright owner
# gives unlimited permission to copy, distribute and modify the configure
# scripts that are the output of Autoconf when processing the Macro. You
# need not follow the terms of the GNU General Public License when using
# or distributing such scripts, even though portions of the text of the
# Macro appear in them. The GNU General Public License (GPL) does govern
# all other use of the material that constitutes the Autoconf Macro.
#
# This special exception to the GPL applies to versions of the Autoconf
# Macro released by the Autoconf Archive. When you make and distribute a
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
#serial 17
AC_DEFUN([AX_CC_MAXOPT],
[
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([AX_COMPILER_VENDOR])
AC_REQUIRE([AC_CANONICAL_HOST])
AC_ARG_ENABLE(portable-binary, [AS_HELP_STRING([--enable-portable-binary], [disable compiler optimizations that would produce unportable binaries])],
acx_maxopt_portable=$enableval, acx_maxopt_portable=no)
# Try to determine "good" native compiler flags if none specified via CFLAGS
if test "$ac_test_CFLAGS" != "set"; then
CFLAGS=""
case $ax_cv_c_compiler_vendor in
dec) CFLAGS="-newc -w0 -O5 -ansi_alias -ansi_args -fp_reorder -tune host"
if test "x$acx_maxopt_portable" = xno; then
CFLAGS="$CFLAGS -arch host"
fi;;
sun) CFLAGS="-native -fast -xO5 -dalign"
if test "x$acx_maxopt_portable" = xyes; then
CFLAGS="$CFLAGS -xarch=generic"
fi;;
hp) CFLAGS="+Oall +Optrs_ansi +DSnative"
if test "x$acx_maxopt_portable" = xyes; then
CFLAGS="$CFLAGS +DAportable"
fi;;
ibm) if test "x$acx_maxopt_portable" = xno; then
xlc_opt="-qarch=auto -qtune=auto"
else
xlc_opt="-qtune=auto"
fi
AX_CHECK_COMPILE_FLAG($xlc_opt,
CFLAGS="-O3 -qansialias -w $xlc_opt",
[CFLAGS="-O3 -qansialias -w"
echo "******************************************************"
echo "* You seem to have the IBM C compiler. It is *"
echo "* recommended for best performance that you use: *"
echo "* *"
echo "* CFLAGS=-O3 -qarch=xxx -qtune=xxx -qansialias -w *"
echo "* ^^^ ^^^ *"
echo "* where xxx is pwr2, pwr3, 604, or whatever kind of *"
echo "* CPU you have. (Set the CFLAGS environment var. *"
echo "* and re-run configure.) For more info, man cc. *"
echo "******************************************************"])
;;
intel) CFLAGS="-O3 -ansi_alias"
if test "x$acx_maxopt_portable" = xno; then
icc_archflag=unknown
icc_flags=""
case $host_cpu in
i686*|x86_64*)
# icc accepts gcc assembly syntax, so these should work:
AX_GCC_X86_CPUID(0)
AX_GCC_X86_CPUID(1)
case $ax_cv_gcc_x86_cpuid_0 in # see AX_GCC_ARCHFLAG
*:756e6547:6c65746e:49656e69) # Intel
case $ax_cv_gcc_x86_cpuid_1 in
*0?6[[78ab]]?:*:*:*|?6[[78ab]]?:*:*:*|6[[78ab]]?:*:*:*) icc_flags="-xK" ;;
*0?6[[9d]]?:*:*:*|?6[[9d]]?:*:*:*|6[[9d]]?:*:*:*|*1?65?:*:*:*) icc_flags="-xSSE2 -xB -xK" ;;
*0?6e?:*:*:*|?6e?:*:*:*|6e?:*:*:*) icc_flags="-xSSE3 -xP -xO -xB -xK" ;;
*0?6f?:*:*:*|?6f?:*:*:*|6f?:*:*:*|*1?66?:*:*:*) icc_flags="-xSSSE3 -xT -xB -xK" ;;
*1?6[[7d]]?:*:*:*) icc_flags="-xSSE4.1 -xS -xT -xB -xK" ;;
*1?6[[aef]]?:*:*:*|*2?6[[5cef]]?:*:*:*) icc_flags="-xSSE4.2 -xS -xT -xB -xK" ;;
*2?6[[ad]]?:*:*:*) icc_flags="-xAVX -SSE4.2 -xS -xT -xB -xK" ;;
*3?6[[ae]]?:*:*:*) icc_flags="-xCORE-AVX-I -xAVX -SSE4.2 -xS -xT -xB -xK" ;;
*3?6[[cf]]?:*:*:*|*4?6[[56]]?:*:*:*) icc_flags="-xCORE-AVX2 -xCORE-AVX-I -xAVX -SSE4.2 -xS -xT -xB -xK" ;;
*000?f[[346]]?:*:*:*|?f[[346]]?:*:*:*|f[[346]]?:*:*:*) icc_flags="-xSSE3 -xP -xO -xN -xW -xK" ;;
*00??f??:*:*:*|??f??:*:*:*|?f??:*:*:*|f??:*:*:*) icc_flags="-xSSE2 -xN -xW -xK" ;;
esac ;;
esac ;;
esac
if test "x$icc_flags" != x; then
for flag in $icc_flags; do
AX_CHECK_COMPILE_FLAG($flag, [icc_archflag=$flag; break])
done
fi
AC_MSG_CHECKING([for icc architecture flag])
AC_MSG_RESULT($icc_archflag)
if test "x$icc_archflag" != xunknown; then
CFLAGS="$CFLAGS $icc_archflag"
fi
fi
;;
gnu)
# default optimization flags for gcc on all systems
CFLAGS="-O3 -fomit-frame-pointer"
# -malign-double for x86 systems
# libffi local change -- don't align double, as it changes the ABI
# AX_CHECK_COMPILE_FLAG(-malign-double, CFLAGS="$CFLAGS -malign-double")
# -fstrict-aliasing for gcc-2.95+
AX_CHECK_COMPILE_FLAG(-fstrict-aliasing,
CFLAGS="$CFLAGS -fstrict-aliasing")
# note that we enable "unsafe" fp optimization with other compilers, too
AX_CHECK_COMPILE_FLAG(-ffast-math, CFLAGS="$CFLAGS -ffast-math")
AX_GCC_ARCHFLAG($acx_maxopt_portable)
;;
microsoft)
# default optimization flags for MSVC opt builds
CFLAGS="-O2"
;;
esac
if test -z "$CFLAGS"; then
echo ""
echo "********************************************************"
echo "* WARNING: Don't know the best CFLAGS for this system *"
echo "* Use ./configure CFLAGS=... to specify your own flags *"
echo "* (otherwise, a default of CFLAGS=-O3 will be used) *"
echo "********************************************************"
echo ""
CFLAGS="-O3"
fi
AX_CHECK_COMPILE_FLAG($CFLAGS, [], [
echo ""
echo "********************************************************"
echo "* WARNING: The guessed CFLAGS don't seem to work with *"
echo "* your compiler. *"
echo "* Use ./configure CFLAGS=... to specify your own flags *"
echo "********************************************************"
echo ""
CFLAGS=""
])
fi
])
m4/ax_cflags_warn_all.m4
+122
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@@ -0,0 +1,122 @@
# ===========================================================================
# https://www.gnu.org/software/autoconf-archive/ax_cflags_warn_all.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_CFLAGS_WARN_ALL [(shellvar [,default, [A/NA]])]
# AX_CXXFLAGS_WARN_ALL [(shellvar [,default, [A/NA]])]
# AX_FCFLAGS_WARN_ALL [(shellvar [,default, [A/NA]])]
#
# DESCRIPTION
#
# Try to find a compiler option that enables most reasonable warnings.
#
# For the GNU compiler it will be -Wall (and -ansi -pedantic) The result
# is added to the shellvar being CFLAGS, CXXFLAGS, or FCFLAGS by default.
#
# Currently this macro knows about the GCC, Solaris, Digital Unix, AIX,
# HP-UX, IRIX, NEC SX-5 (Super-UX 10), Cray J90 (Unicos 10.0.0.8), and
# Intel compilers. For a given compiler, the Fortran flags are much more
# experimental than their C equivalents.
#
# - $1 shell-variable-to-add-to : CFLAGS, CXXFLAGS, or FCFLAGS
# - $2 add-value-if-not-found : nothing
# - $3 action-if-found : add value to shellvariable
# - $4 action-if-not-found : nothing
#
# NOTE: These macros depend on AX_APPEND_FLAG.
#
# LICENSE
#
# Copyright (c) 2008 Guido U. Draheim <guidod@gmx.de>
# Copyright (c) 2010 Rhys Ulerich <rhys.ulerich@gmail.com>
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 3 of the License, or (at your
# option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program. If not, see <https://www.gnu.org/licenses/>.
#
# As a special exception, the respective Autoconf Macro's copyright owner
# gives unlimited permission to copy, distribute and modify the configure
# scripts that are the output of Autoconf when processing the Macro. You
# need not follow the terms of the GNU General Public License when using
# or distributing such scripts, even though portions of the text of the
# Macro appear in them. The GNU General Public License (GPL) does govern
# all other use of the material that constitutes the Autoconf Macro.
#
# This special exception to the GPL applies to versions of the Autoconf
# Macro released by the Autoconf Archive. When you make and distribute a
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
#serial 16
AC_DEFUN([AX_FLAGS_WARN_ALL],[dnl
AS_VAR_PUSHDEF([FLAGS],[_AC_LANG_PREFIX[]FLAGS])dnl
AS_VAR_PUSHDEF([VAR],[ac_cv_[]_AC_LANG_ABBREV[]flags_warn_all])dnl
AC_CACHE_CHECK([m4_ifval($1,$1,FLAGS) for maximum warnings],
VAR,[VAR="no, unknown"
ac_save_[]FLAGS="$[]FLAGS"
for ac_arg dnl
in "-warn all % -warn all" dnl Intel
"-pedantic % -Wall" dnl GCC
"-xstrconst % -v" dnl Solaris C
"-std1 % -verbose -w0 -warnprotos" dnl Digital Unix
"-qlanglvl=ansi % -qsrcmsg -qinfo=all:noppt:noppc:noobs:nocnd" dnl AIX
"-ansi -ansiE % -fullwarn" dnl IRIX
"+ESlit % +w1" dnl HP-UX C
"-Xc % -pvctl[,]fullmsg" dnl NEC SX-5 (Super-UX 10)
"-h conform % -h msglevel 2" dnl Cray C (Unicos)
#
do FLAGS="$ac_save_[]FLAGS "`echo $ac_arg | sed -e 's,%%.*,,' -e 's,%,,'`
AC_COMPILE_IFELSE([AC_LANG_PROGRAM],
[VAR=`echo $ac_arg | sed -e 's,.*% *,,'` ; break])
done
FLAGS="$ac_save_[]FLAGS"
])
AS_VAR_POPDEF([FLAGS])dnl
AX_REQUIRE_DEFINED([AX_APPEND_FLAG])
case ".$VAR" in
.ok|.ok,*) m4_ifvaln($3,$3) ;;
.|.no|.no,*) m4_default($4,[m4_ifval($2,[AX_APPEND_FLAG([$2], [$1])])]) ;;
*) m4_default($3,[AX_APPEND_FLAG([$VAR], [$1])]) ;;
esac
AS_VAR_POPDEF([VAR])dnl
])dnl AX_FLAGS_WARN_ALL
dnl implementation tactics:
dnl the for-argument contains a list of options. The first part of
dnl these does only exist to detect the compiler - usually it is
dnl a global option to enable -ansi or -extrawarnings. All other
dnl compilers will fail about it. That was needed since a lot of
dnl compilers will give false positives for some option-syntax
dnl like -Woption or -Xoption as they think of it is a pass-through
dnl to later compile stages or something. The "%" is used as a
dnl delimiter. A non-option comment can be given after "%%" marks
dnl which will be shown but not added to the respective C/CXXFLAGS.
AC_DEFUN([AX_CFLAGS_WARN_ALL],[dnl
AC_LANG_PUSH([C])
AX_FLAGS_WARN_ALL([$1], [$2], [$3], [$4])
AC_LANG_POP([C])
])
AC_DEFUN([AX_CXXFLAGS_WARN_ALL],[dnl
AC_LANG_PUSH([C++])
AX_FLAGS_WARN_ALL([$1], [$2], [$3], [$4])
AC_LANG_POP([C++])
])
AC_DEFUN([AX_FCFLAGS_WARN_ALL],[dnl
AC_LANG_PUSH([Fortran])
AX_FLAGS_WARN_ALL([$1], [$2], [$3], [$4])
AC_LANG_POP([Fortran])
])
m4/ax_check_compile_flag.m4
+53
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@@ -0,0 +1,53 @@
# ===========================================================================
# https://www.gnu.org/software/autoconf-archive/ax_check_compile_flag.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_CHECK_COMPILE_FLAG(FLAG, [ACTION-SUCCESS], [ACTION-FAILURE], [EXTRA-FLAGS], [INPUT])
#
# DESCRIPTION
#
# Check whether the given FLAG works with the current language's compiler
# or gives an error. (Warnings, however, are ignored)
#
# ACTION-SUCCESS/ACTION-FAILURE are shell commands to execute on
# success/failure.
#
# If EXTRA-FLAGS is defined, it is added to the current language's default
# flags (e.g. CFLAGS) when the check is done. The check is thus made with
# the flags: "CFLAGS EXTRA-FLAGS FLAG". This can for example be used to
# force the compiler to issue an error when a bad flag is given.
#
# INPUT gives an alternative input source to AC_COMPILE_IFELSE.
#
# NOTE: Implementation based on AX_CFLAGS_GCC_OPTION. Please keep this
# macro in sync with AX_CHECK_{PREPROC,LINK}_FLAG.
#
# LICENSE
#
# Copyright (c) 2008 Guido U. Draheim <guidod@gmx.de>
# Copyright (c) 2011 Maarten Bosmans <mkbosmans@gmail.com>
#
# Copying and distribution of this file, with or without modification, are
# permitted in any medium without royalty provided the copyright notice
# and this notice are preserved. This file is offered as-is, without any
# warranty.
#serial 6
AC_DEFUN([AX_CHECK_COMPILE_FLAG],
[AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_IF
AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_[]_AC_LANG_ABBREV[]flags_$4_$1])dnl
AC_CACHE_CHECK([whether _AC_LANG compiler accepts $1], CACHEVAR, [
ax_check_save_flags=$[]_AC_LANG_PREFIX[]FLAGS
_AC_LANG_PREFIX[]FLAGS="$[]_AC_LANG_PREFIX[]FLAGS $4 $1"
AC_COMPILE_IFELSE([m4_default([$5],[AC_LANG_PROGRAM()])],
[AS_VAR_SET(CACHEVAR,[yes])],
[AS_VAR_SET(CACHEVAR,[no])])
_AC_LANG_PREFIX[]FLAGS=$ax_check_save_flags])
AS_VAR_IF(CACHEVAR,yes,
[m4_default([$2], :)],
[m4_default([$3], :)])
AS_VAR_POPDEF([CACHEVAR])dnl
])dnl AX_CHECK_COMPILE_FLAGS
m4/ax_compiler_vendor.m4
+88
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@@ -0,0 +1,88 @@
# ===========================================================================
# https://www.gnu.org/software/autoconf-archive/ax_compiler_vendor.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_COMPILER_VENDOR
#
# DESCRIPTION
#
# Determine the vendor of the C/C++ compiler, e.g., gnu, intel, ibm, sun,
# hp, borland, comeau, dec, cray, kai, lcc, metrowerks, sgi, microsoft,
# watcom, etc. The vendor is returned in the cache variable
# $ax_cv_c_compiler_vendor for C and $ax_cv_cxx_compiler_vendor for C++.
#
# LICENSE
#
# Copyright (c) 2008 Steven G. Johnson <stevenj@alum.mit.edu>
# Copyright (c) 2008 Matteo Frigo
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation, either version 3 of the License, or (at your
# option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program. If not, see <https://www.gnu.org/licenses/>.
#
# As a special exception, the respective Autoconf Macro's copyright owner
# gives unlimited permission to copy, distribute and modify the configure
# scripts that are the output of Autoconf when processing the Macro. You
# need not follow the terms of the GNU General Public License when using
# or distributing such scripts, even though portions of the text of the
# Macro appear in them. The GNU General Public License (GPL) does govern
# all other use of the material that constitutes the Autoconf Macro.
#
# This special exception to the GPL applies to versions of the Autoconf
# Macro released by the Autoconf Archive. When you make and distribute a
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
#serial 17
AC_DEFUN([AX_COMPILER_VENDOR],
[AC_CACHE_CHECK([for _AC_LANG compiler vendor], ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor,
dnl Please add if possible support to ax_compiler_version.m4
[# note: don't check for gcc first since some other compilers define __GNUC__
vendors="intel: __ICC,__ECC,__INTEL_COMPILER
ibm: __xlc__,__xlC__,__IBMC__,__IBMCPP__
pathscale: __PATHCC__,__PATHSCALE__
clang: __clang__
cray: _CRAYC
fujitsu: __FUJITSU
sdcc: SDCC, __SDCC
gnu: __GNUC__
sun: __SUNPRO_C,__SUNPRO_CC
hp: __HP_cc,__HP_aCC
dec: __DECC,__DECCXX,__DECC_VER,__DECCXX_VER
borland: __BORLANDC__,__CODEGEARC__,__TURBOC__
comeau: __COMO__
kai: __KCC
lcc: __LCC__
sgi: __sgi,sgi
microsoft: _MSC_VER
metrowerks: __MWERKS__
watcom: __WATCOMC__
portland: __PGI
tcc: __TINYC__
unknown: UNKNOWN"
for ventest in $vendors; do
case $ventest in
*:) vendor=$ventest; continue ;;
*) vencpp="defined("`echo $ventest | sed 's/,/) || defined(/g'`")" ;;
esac
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[
#if !($vencpp)
thisisanerror;
#endif
])], [break])
done
ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor=`echo $vendor | cut -d: -f1`
])
])
m4/ax_configure_args.m4
+49
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@@ -0,0 +1,49 @@
# ===========================================================================
# https://www.gnu.org/software/autoconf-archive/ax_configure_args.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_CONFIGURE_ARGS
#
# DESCRIPTION
#
# Helper macro for AX_ENABLE_BUILDDIR.
#
# The traditional way of starting a subdir-configure is running the script
# with ${1+"$@"} but since autoconf 2.60 this is broken. Instead we have
# to rely on eval'ing $ac_configure_args however some old autoconf
# versions do not provide that. To ensure maximum portability of autoconf
# extension macros this helper can be AC_REQUIRE'd so that
# $ac_configure_args will always be present.
#
# Sadly, the traditional "exec $SHELL" of the enable_builddir macros is
# spoiled now and must be replaced by "eval + exit $?".
#
# Example:
#
# AC_DEFUN([AX_ENABLE_SUBDIR],[dnl
# AC_REQUIRE([AX_CONFIGURE_ARGS])dnl
# eval $SHELL $ac_configure_args || exit $?
# ...])
#
# LICENSE
#
# Copyright (c) 2008 Guido U. Draheim <guidod@gmx.de>
#
# Copying and distribution of this file, with or without modification, are
# permitted in any medium without royalty provided the copyright notice
# and this notice are preserved. This file is offered as-is, without any
# warranty.
#serial 14
AC_DEFUN([AX_CONFIGURE_ARGS],[
# [$]@ is unusable in 2.60+ but earlier autoconf had no ac_configure_args
if test "${ac_configure_args+set}" != "set" ; then
ac_configure_args=
for ac_arg in ${1+"[$]@"}; do
ac_configure_args="$ac_configure_args '$ac_arg'"
done
fi
])
m4/ax_enable_builddir.m4
+302
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@@ -0,0 +1,302 @@
# ===========================================================================
# https://www.gnu.org/software/autoconf-archive/ax_enable_builddir.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_ENABLE_BUILDDIR [(dirstring-or-command [,Makefile.mk [,-all]])]
#
# DESCRIPTION
#
# If the current configure was run within the srcdir then we move all
# configure-files into a subdir and let the configure steps continue
# there. We provide an option --disable-builddir to suppress the move into
# a separate builddir.
#
# Defaults:
#
# $1 = $host (overridden with $HOST)
# $2 = Makefile.mk
# $3 = -all
#
# This macro must be called before AM_INIT_AUTOMAKE. It creates a default
# toplevel srcdir Makefile from the information found in the created
# toplevel builddir Makefile. It just copies the variables and
# rule-targets, each extended with a default rule-execution that recurses
# into the build directory of the current "HOST". You can override the
# auto-detection through `config.guess` and build-time of course, as in
#
# make HOST=i386-mingw-cross
#
# which can of course set at configure time as well using
#
# configure --host=i386-mingw-cross
#
# After the default has been created, additional rules can be appended
# that will not just recurse into the subdirectories and only ever exist
# in the srcdir toplevel makefile - these parts are read from the $2 =
# Makefile.mk file
#
# The automatic rules are usually scanning the toplevel Makefile for lines
# like '#### $host |$builddir' to recognize the place where to recurse
# into. Usually, the last one is the only one used. However, almost all
# targets have an additional "*-all" rule which makes the script to
# recurse into _all_ variants of the current HOST (!!) setting. The "-all"
# suffix can be overridden for the macro as well.
#
# a special rule is only given for things like "dist" that will copy the
# tarball from the builddir to the sourcedir (or $(PUB)) for reason of
# convenience.
#
# LICENSE
#
# Copyright (c) 2009 Guido U. Draheim <guidod@gmx.de>
# Copyright (c) 2009 Alan Jenkins <alan-jenkins@tuffmail.co.uk>
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 3 of the License, or (at your
# option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program. If not, see <https://www.gnu.org/licenses/>.
#
# As a special exception, the respective Autoconf Macro's copyright owner
# gives unlimited permission to copy, distribute and modify the configure
# scripts that are the output of Autoconf when processing the Macro. You
# need not follow the terms of the GNU General Public License when using
# or distributing such scripts, even though portions of the text of the
# Macro appear in them. The GNU General Public License (GPL) does govern
# all other use of the material that constitutes the Autoconf Macro.
#
# This special exception to the GPL applies to versions of the Autoconf
# Macro released by the Autoconf Archive. When you make and distribute a
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
#serial 30
AC_DEFUN([AX_ENABLE_BUILDDIR],[
AC_REQUIRE([AC_CANONICAL_HOST])[]dnl
AC_REQUIRE([AC_CANONICAL_TARGET])[]dnl
AC_REQUIRE([AX_CONFIGURE_ARGS])[]dnl
AC_REQUIRE([AM_AUX_DIR_EXPAND])[]dnl
AC_BEFORE([$0],[AM_INIT_AUTOMAKE])dnl
AS_VAR_PUSHDEF([SUB],[ax_enable_builddir])dnl
AS_VAR_PUSHDEF([AUX],[ax_enable_builddir_auxdir])dnl
AS_VAR_PUSHDEF([SED],[ax_enable_builddir_sed])dnl
SUB="."
AC_ARG_ENABLE([builddir], AS_HELP_STRING(
[--disable-builddir],[disable automatic build in subdir of sources])
,[SUB="$enableval"], [SUB="auto"])
if test ".$ac_srcdir_defaulted" != ".no" ; then
if test ".$srcdir" = ".." ; then
if test -f config.status ; then
AC_MSG_NOTICE(toplevel srcdir already configured... skipping subdir build)
else
test ".$SUB" = "." && SUB="."
test ".$SUB" = ".no" && SUB="."
test ".$TARGET" = "." && TARGET="$target"
test ".$SUB" = ".auto" && SUB="m4_ifval([$1], [$1],[$TARGET])"
if test ".$SUB" != ".." ; then # we know where to go and
AS_MKDIR_P([$SUB])
echo __.$SUB.__ > $SUB/conftest.tmp
cd $SUB
if grep __.$SUB.__ conftest.tmp >/dev/null 2>/dev/null ; then
rm conftest.tmp
AC_MSG_RESULT([continue configure in default builddir "./$SUB"])
else
AC_MSG_ERROR([could not change to default builddir "./$SUB"])
fi
srcdir=`echo "$SUB" |
sed -e 's,^\./,,;s,[[^/]]$,&/,;s,[[^/]]*/,../,g;s,[[/]]$,,;'`
# going to restart from subdirectory location
test -f $srcdir/config.log && mv $srcdir/config.log .
test -f $srcdir/confdefs.h && mv $srcdir/confdefs.h .
test -f $srcdir/conftest.log && mv $srcdir/conftest.log .
test -f $srcdir/$cache_file && mv $srcdir/$cache_file .
AC_MSG_RESULT(....exec $SHELL $srcdir/[$]0 "--srcdir=$srcdir" "--enable-builddir=$SUB" ${1+"[$]@"})
case "[$]0" in # restart
[[\\/]]* | ?:[[\\/]]*) # Absolute name
eval $SHELL "'[$]0'" "'--srcdir=$srcdir'" "'--enable-builddir=$SUB'" $ac_configure_args ;;
*) eval $SHELL "'$srcdir/[$]0'" "'--srcdir=$srcdir'" "'--enable-builddir=$SUB'" $ac_configure_args ;;
esac ; exit $?
fi
fi
fi fi
test ".$SUB" = ".auto" && SUB="."
dnl ac_path_prog uses "set dummy" to override $@ which would defeat the "exec"
AC_PATH_PROG(SED,gsed sed, sed)
AUX="$am_aux_dir"
AS_VAR_POPDEF([SED])dnl
AS_VAR_POPDEF([AUX])dnl
AS_VAR_POPDEF([SUB])dnl
AC_CONFIG_COMMANDS([buildir],[dnl .............. config.status ..............
AS_VAR_PUSHDEF([SUB],[ax_enable_builddir])dnl
AS_VAR_PUSHDEF([TOP],[top_srcdir])dnl
AS_VAR_PUSHDEF([SRC],[ac_top_srcdir])dnl
AS_VAR_PUSHDEF([AUX],[ax_enable_builddir_auxdir])dnl
AS_VAR_PUSHDEF([SED],[ax_enable_builddir_sed])dnl
pushdef([END],[Makefile.mk])dnl
pushdef([_ALL],[ifelse([$3],,[-all],[$3])])dnl
SRC="$ax_enable_builddir_srcdir"
if test ".$SUB" = ".." ; then
if test -f "$TOP/Makefile" ; then
AC_MSG_NOTICE([skipping TOP/Makefile - left untouched])
else
AC_MSG_NOTICE([skipping TOP/Makefile - not created])
fi
else
if test -f "$SRC/Makefile" ; then
a=`grep "^VERSION " "$SRC/Makefile"` ; b=`grep "^VERSION " Makefile`
test "$a" != "$b" && rm "$SRC/Makefile"
fi
if test -f "$SRC/Makefile" ; then
echo "$SRC/Makefile : $SRC/Makefile.in" > $tmp/conftemp.mk
echo " []@ echo 'REMOVED,,,' >\$[]@" >> $tmp/conftemp.mk
eval "${MAKE-make} -f $tmp/conftemp.mk 2>/dev/null >/dev/null"
if grep '^REMOVED,,,' "$SRC/Makefile" >/dev/null
then rm $SRC/Makefile ; fi
cp $tmp/conftemp.mk $SRC/makefiles.mk~ ## DEBUGGING
fi
if test ! -f "$SRC/Makefile" ; then
AC_MSG_NOTICE([create TOP/Makefile guessed from local Makefile])
x='`' ; cat >$tmp/conftemp.sed <<_EOF
/^\$/n
x
/^\$/bS
x
/\\\\\$/{H;d;}
{H;s/.*//;x;}
bM
:S
x
/\\\\\$/{h;d;}
{h;s/.*//;x;}
:M
s/\\(\\n\\) /\\1 /g
/^ /d
/^[[ ]]*[[\\#]]/d
/^VPATH *=/d
s/^srcdir *=.*/srcdir = ./
s/^top_srcdir *=.*/top_srcdir = ./
/[[:=]]/!d
/^\\./d
dnl Now handle rules (i.e. lines containing ":" but not " = ").
/ = /b
/ .= /b
/:/!b
s/:.*/:/
s/ / /g
s/ \\([[a-z]][[a-z-]]*[[a-zA-Z0-9]]\\)\\([[ :]]\\)/ \\1 \\1[]_ALL\\2/g
s/^\\([[a-z]][[a-z-]]*[[a-zA-Z0-9]]\\)\\([[ :]]\\)/\\1 \\1[]_ALL\\2/
s/ / /g
/^all all[]_ALL[[ :]]/i\\
all-configured : all[]_ALL
dnl dist-all exists... and would make for dist-all-all
s/ [[a-zA-Z0-9-]]*[]_ALL [[a-zA-Z0-9-]]*[]_ALL[]_ALL//g
/[]_ALL[]_ALL/d
a\\
@ HOST="\$(HOST)\" \\\\\\
; test ".\$\$HOST" = "." && HOST=$x sh $AUX/config.guess $x \\\\\\
; BUILD=$x grep "^#### \$\$HOST " Makefile | sed -e 's/.*|//' $x \\\\\\
; use=$x basename "\$\@" _ALL $x; n=$x echo \$\$BUILD | wc -w $x \\\\\\
; echo "MAKE \$\$HOST : \$\$n * \$\@"; if test "\$\$n" -eq "0" ; then : \\\\\\
; BUILD=$x grep "^####.*|" Makefile |tail -1| sed -e 's/.*|//' $x ; fi \\\\\\
; test ".\$\$BUILD" = "." && BUILD="." \\\\\\
; test "\$\$use" = "\$\@" && BUILD=$x echo "\$\$BUILD" | tail -1 $x \\\\\\
; for i in \$\$BUILD ; do test ".\$\$i" = "." && continue \\\\\\
; (cd "\$\$i" && test ! -f configure && \$(MAKE) \$\$use) || exit; done
dnl special rule add-on: "dist" copies the tarball to $(PUB). (source tree)
/dist[]_ALL *:/a\\
@ HOST="\$(HOST)\" \\\\\\
; test ".\$\$HOST" = "." && HOST=$x sh $AUX/config.guess $x \\\\\\
; BUILD=$x grep "^#### \$\$HOST " Makefile | sed -e 's/.*|//' $x \\\\\\
; found=$x echo \$\$BUILD | wc -w $x \\\\\\
; echo "MAKE \$\$HOST : \$\$found \$(PACKAGE)-\$(VERSION).tar.*" \\\\\\
; if test "\$\$found" -eq "0" ; then : \\\\\\
; BUILD=$x grep "^#### .*|" Makefile |tail -1| sed -e 's/.*|//' $x \\\\\\
; fi ; for i in \$\$BUILD ; do test ".\$\$i" = "." && continue \\\\\\
; for f in \$\$i/\$(PACKAGE)-\$(VERSION).tar.* \\\\\\
; do test -f "\$\$f" && mv "\$\$f" \$(PUB). ; done ; break ; done
dnl special rule add-on: "dist-foo" copies all the archives to $(PUB). (source tree)
/dist-[[a-zA-Z0-9]]*[]_ALL *:/a\\
@ HOST="\$(HOST)\" \\\\\\
; test ".\$\$HOST" = "." && HOST=$x sh ./config.guess $x \\\\\\
; BUILD=$x grep "^#### \$\$HOST " Makefile | sed -e 's/.*|//' $x \\\\\\
; found=$x echo \$\$BUILD | wc -w $x \\\\\\
; echo "MAKE \$\$HOST : \$\$found \$(PACKAGE)-\$(VERSION).*" \\\\\\
; if test "\$\$found" -eq "0" ; then : \\\\\\
; BUILD=$x grep "^#### .*|" Makefile |tail -1| sed -e 's/.*|//' $x \\\\\\
; fi ; for i in \$\$BUILD ; do test ".\$\$i" = "." && continue \\\\\\
; for f in \$\$i/\$(PACKAGE)-\$(VERSION).* \\\\\\
; do test -f "\$\$f" && mv "\$\$f" \$(PUB). ; done ; break ; done
dnl special rule add-on: "distclean" removes all local builddirs completely
/distclean[]_ALL *:/a\\
@ HOST="\$(HOST)\" \\\\\\
; test ".\$\$HOST" = "." && HOST=$x sh $AUX/config.guess $x \\\\\\
; BUILD=$x grep "^#### .*|" Makefile | sed -e 's/.*|//' $x \\\\\\
; use=$x basename "\$\@" _ALL $x; n=$x echo \$\$BUILD | wc -w $x \\\\\\
; echo "MAKE \$\$HOST : \$\$n * \$\@ (all local builds)" \\\\\\
; test ".\$\$BUILD" = "." && BUILD="." \\\\\\
; for i in \$\$BUILD ; do test ".\$\$i" = "." && continue \\\\\\
; echo "# rm -r \$\$i"; done ; echo "# (sleep 3)" ; sleep 3 \\\\\\
; for i in \$\$BUILD ; do test ".\$\$i" = "." && continue \\\\\\
; echo "\$\$i" | grep "^/" > /dev/null && continue \\\\\\
; echo "\$\$i" | grep "^../" > /dev/null && continue \\\\\\
; echo "rm -r \$\$i"; (rm -r "\$\$i") ; done ; rm Makefile
_EOF
cp "$tmp/conftemp.sed" "$SRC/makefile.sed~" ## DEBUGGING
$SED -f $tmp/conftemp.sed Makefile >$SRC/Makefile
if test -f "$SRC/m4_ifval([$2],[$2],[END])" ; then
AC_MSG_NOTICE([extend TOP/Makefile with TOP/m4_ifval([$2],[$2],[END])])
cat $SRC/END >>$SRC/Makefile
fi ; xxxx="####"
echo "$xxxx CONFIGURATIONS FOR TOPLEVEL MAKEFILE: " >>$SRC/Makefile
# sanity check
if grep '^; echo "MAKE ' $SRC/Makefile >/dev/null ; then
AC_MSG_NOTICE([buggy sed found - it deletes tab in "a" text parts])
$SED -e '/^@ HOST=/s/^/ /' -e '/^; /s/^/ /' $SRC/Makefile \
>$SRC/Makefile~
(test -s $SRC/Makefile~ && mv $SRC/Makefile~ $SRC/Makefile) 2>/dev/null
fi
else
xxxx="\\#\\#\\#\\#"
# echo "/^$xxxx *$ax_enable_builddir_host /d" >$tmp/conftemp.sed
echo "s!^$xxxx [[^|]]* | *$SUB *\$!$xxxx ...... $SUB!" >$tmp/conftemp.sed
$SED -f "$tmp/conftemp.sed" "$SRC/Makefile" >$tmp/mkfile.tmp
cp "$tmp/conftemp.sed" "$SRC/makefiles.sed~" ## DEBUGGING
cp "$tmp/mkfile.tmp" "$SRC/makefiles.out~" ## DEBUGGING
if cmp -s "$SRC/Makefile" "$tmp/mkfile.tmp" 2>/dev/null ; then
AC_MSG_NOTICE([keeping TOP/Makefile from earlier configure])
rm "$tmp/mkfile.tmp"
else
AC_MSG_NOTICE([reusing TOP/Makefile from earlier configure])
mv "$tmp/mkfile.tmp" "$SRC/Makefile"
fi
fi
AC_MSG_NOTICE([build in $SUB (HOST=$ax_enable_builddir_host)])
xxxx="####"
echo "$xxxx" "$ax_enable_builddir_host" "|$SUB" >>$SRC/Makefile
fi
popdef([END])dnl
AS_VAR_POPDEF([SED])dnl
AS_VAR_POPDEF([AUX])dnl
AS_VAR_POPDEF([SRC])dnl
AS_VAR_POPDEF([TOP])dnl
AS_VAR_POPDEF([SUB])dnl
],[dnl
ax_enable_builddir_srcdir="$srcdir" # $srcdir
ax_enable_builddir_host="$HOST" # $HOST / $host
ax_enable_builddir_version="$VERSION" # $VERSION
ax_enable_builddir_package="$PACKAGE" # $PACKAGE
ax_enable_builddir_auxdir="$ax_enable_builddir_auxdir" # $AUX
ax_enable_builddir_sed="$ax_enable_builddir_sed" # $SED
ax_enable_builddir="$ax_enable_builddir" # $SUB
])dnl
])
m4/ax_gcc_archflag.m4
+267
View File
@@ -0,0 +1,267 @@
# ===========================================================================
# https://www.gnu.org/software/autoconf-archive/ax_gcc_archflag.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_GCC_ARCHFLAG([PORTABLE?], [ACTION-SUCCESS], [ACTION-FAILURE])
#
# DESCRIPTION
#
# This macro tries to guess the "native" arch corresponding to the target
# architecture for use with gcc's -march=arch or -mtune=arch flags. If
# found, the cache variable $ax_cv_gcc_archflag is set to this flag and
# ACTION-SUCCESS is executed; otherwise $ax_cv_gcc_archflag is set to
# "unknown" and ACTION-FAILURE is executed. The default ACTION-SUCCESS is
# to add $ax_cv_gcc_archflag to the end of $CFLAGS.
#
# PORTABLE? should be either [yes] (default) or [no]. In the former case,
# the flag is set to -mtune (or equivalent) so that the architecture is
# only used for tuning, but the instruction set used is still portable. In
# the latter case, the flag is set to -march (or equivalent) so that
# architecture-specific instructions are enabled.
#
# The user can specify --with-gcc-arch=<arch> in order to override the
# macro's choice of architecture, or --without-gcc-arch to disable this.
#
# When cross-compiling, or if $CC is not gcc, then ACTION-FAILURE is
# called unless the user specified --with-gcc-arch manually.
#
# Requires macros: AX_CHECK_COMPILE_FLAG, AX_GCC_X86_CPUID
#
# (The main emphasis here is on recent CPUs, on the principle that doing
# high-performance computing on old hardware is uncommon.)
#
# LICENSE
#
# Copyright (c) 2008 Steven G. Johnson <stevenj@alum.mit.edu>
# Copyright (c) 2008 Matteo Frigo
# Copyright (c) 2014 Tsukasa Oi
# Copyright (c) 2017-2018 Alexey Kopytov
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation, either version 3 of the License, or (at your
# option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program. If not, see <https://www.gnu.org/licenses/>.
#
# As a special exception, the respective Autoconf Macro's copyright owner
# gives unlimited permission to copy, distribute and modify the configure
# scripts that are the output of Autoconf when processing the Macro. You
# need not follow the terms of the GNU General Public License when using
# or distributing such scripts, even though portions of the text of the
# Macro appear in them. The GNU General Public License (GPL) does govern
# all other use of the material that constitutes the Autoconf Macro.
#
# This special exception to the GPL applies to versions of the Autoconf
# Macro released by the Autoconf Archive. When you make and distribute a
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
#serial 22
AC_DEFUN([AX_GCC_ARCHFLAG],
[AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([AC_CANONICAL_HOST])
AC_REQUIRE([AC_PROG_SED])
AC_REQUIRE([AX_COMPILER_VENDOR])
AC_ARG_WITH(gcc-arch, [AS_HELP_STRING([--with-gcc-arch=<arch>], [use architecture <arch> for gcc -march/-mtune, instead of guessing])],
ax_gcc_arch=$withval, ax_gcc_arch=yes)
AC_MSG_CHECKING([for gcc architecture flag])
AC_MSG_RESULT([])
AC_CACHE_VAL(ax_cv_gcc_archflag,
[
ax_cv_gcc_archflag="unknown"
if test "$GCC" = yes; then
if test "x$ax_gcc_arch" = xyes; then
ax_gcc_arch=""
if test "$cross_compiling" = no; then
case $host_cpu in
i[[3456]]86*|x86_64*|amd64*) # use cpuid codes
AX_GCC_X86_CPUID(0)
AX_GCC_X86_CPUID(1)
case $ax_cv_gcc_x86_cpuid_0 in
*:756e6547:6c65746e:49656e69) # Intel
case $ax_cv_gcc_x86_cpuid_1 in
*5[[4578]]?:*:*:*) ax_gcc_arch="pentium-mmx pentium" ;;
*5[[123]]?:*:*:*) ax_gcc_arch=pentium ;;
*0?61?:*:*:*|?61?:*:*:*|61?:*:*:*) ax_gcc_arch=pentiumpro ;;
*0?6[[356]]?:*:*:*|?6[[356]]?:*:*:*|6[[356]]?:*:*:*) ax_gcc_arch="pentium2 pentiumpro" ;;
*0?6[[78ab]]?:*:*:*|?6[[78ab]]?:*:*:*|6[[78ab]]?:*:*:*) ax_gcc_arch="pentium3 pentiumpro" ;;
*0?6[[9d]]?:*:*:*|?6[[9d]]?:*:*:*|6[[9d]]?:*:*:*|*1?65?:*:*:*) ax_gcc_arch="pentium-m pentium3 pentiumpro" ;;
*0?6e?:*:*:*|?6e?:*:*:*|6e?:*:*:*) ax_gcc_arch="yonah pentium-m pentium3 pentiumpro" ;;
*0?6f?:*:*:*|?6f?:*:*:*|6f?:*:*:*|*1?66?:*:*:*) ax_gcc_arch="core2 pentium-m pentium3 pentiumpro" ;;
*1?6[[7d]]?:*:*:*) ax_gcc_arch="penryn core2 pentium-m pentium3 pentiumpro" ;;
*1?6[[aef]]?:*:*:*|*2?6e?:*:*:*) ax_gcc_arch="nehalem corei7 core2 pentium-m pentium3 pentiumpro" ;;
*2?6[[5cf]]?:*:*:*) ax_gcc_arch="westmere corei7 core2 pentium-m pentium3 pentiumpro" ;;
*2?6[[ad]]?:*:*:*) ax_gcc_arch="sandybridge corei7-avx corei7 core2 pentium-m pentium3 pentiumpro" ;;
*3?6[[ae]]?:*:*:*) ax_gcc_arch="ivybridge core-avx-i corei7-avx corei7 core2 pentium-m pentium3 pentiumpro" ;;
*3?6[[cf]]?:*:*:*|*4?6[[56]]?:*:*:*) ax_gcc_arch="haswell core-avx2 core-avx-i corei7-avx corei7 core2 pentium-m pentium3 pentiumpro" ;;
*3?6d?:*:*:*|*4?6[[7f]]?:*:*:*|*5?66?:*:*:*) ax_gcc_arch="broadwell core-avx2 core-avx-i corei7-avx corei7 core2 pentium-m pentium3 pentiumpro" ;;
*1?6c?:*:*:*|*2?6[[67]]?:*:*:*|*3?6[[56]]?:*:*:*) ax_gcc_arch="bonnell atom core2 pentium-m pentium3 pentiumpro" ;;
*3?67?:*:*:*|*[[45]]?6[[ad]]?:*:*:*) ax_gcc_arch="silvermont atom core2 pentium-m pentium3 pentiumpro" ;;
*000?f[[012]]?:*:*:*|?f[[012]]?:*:*:*|f[[012]]?:*:*:*) ax_gcc_arch="pentium4 pentiumpro" ;;
*000?f[[346]]?:*:*:*|?f[[346]]?:*:*:*|f[[346]]?:*:*:*) ax_gcc_arch="nocona prescott pentium4 pentiumpro" ;;
# fallback
*5??:*:*:*) ax_gcc_arch=pentium ;;
*??6??:*:*:*) ax_gcc_arch="core2 pentiumpro" ;;
*6??:*:*:*) ax_gcc_arch=pentiumpro ;;
*00??f??:*:*:*|??f??:*:*:*|?f??:*:*:*|f??:*:*:*) ax_gcc_arch="pentium4 pentiumpro" ;;
esac ;;
*:68747541:444d4163:69746e65) # AMD
case $ax_cv_gcc_x86_cpuid_1 in
*5[[67]]?:*:*:*) ax_gcc_arch=k6 ;;
*5[[8]]?:*:*:*) ax_gcc_arch="k6-2 k6" ;;
*5[[9d]]?:*:*:*) ax_gcc_arch="k6-3 k6" ;;
*6[[12]]?:*:*:*) ax_gcc_arch="athlon k7" ;;
*6[[34]]?:*:*:*) ax_gcc_arch="athlon-tbird k7" ;;
*6[[678a]]?:*:*:*) ax_gcc_arch="athlon-xp athlon-4 athlon k7" ;;
*000?f[[4578bcef]]?:*:*:*|?f[[4578bcef]]?:*:*:*|f[[4578bcef]]?:*:*:*|*001?f[[4578bcf]]?:*:*:*|1?f[[4578bcf]]?:*:*:*) ax_gcc_arch="athlon64 k8" ;;
*002?f[[13457bcf]]?:*:*:*|2?f[[13457bcf]]?:*:*:*|*004?f[[138bcf]]?:*:*:*|4?f[[138bcf]]?:*:*:*|*005?f[[df]]?:*:*:*|5?f[[df]]?:*:*:*|*006?f[[8bcf]]?:*:*:*|6?f[[8bcf]]?:*:*:*|*007?f[[cf]]?:*:*:*|7?f[[cf]]?:*:*:*|*00c?f1?:*:*:*|c?f1?:*:*:*|*020?f3?:*:*:*|20?f3?:*:*:*) ax_gcc_arch="athlon64-sse3 k8-sse3 athlon64 k8" ;;
*010?f[[245689a]]?:*:*:*|10?f[[245689a]]?:*:*:*|*030?f1?:*:*:*|30?f1?:*:*:*) ax_gcc_arch="barcelona amdfam10 k8" ;;
*050?f[[12]]?:*:*:*|50?f[[12]]?:*:*:*) ax_gcc_arch="btver1 amdfam10 k8" ;;
*060?f1?:*:*:*|60?f1?:*:*:*) ax_gcc_arch="bdver1 amdfam10 k8" ;;
*060?f2?:*:*:*|60?f2?:*:*:*|*061?f[[03]]?:*:*:*|61?f[[03]]?:*:*:*) ax_gcc_arch="bdver2 bdver1 amdfam10 k8" ;;
*063?f0?:*:*:*|63?f0?:*:*:*) ax_gcc_arch="bdver3 bdver2 bdver1 amdfam10 k8" ;;
*07[[03]]?f0?:*:*:*|7[[03]]?f0?:*:*:*) ax_gcc_arch="btver2 btver1 amdfam10 k8" ;;
# fallback
*0[[13]]??f??:*:*:*|[[13]]??f??:*:*:*) ax_gcc_arch="barcelona amdfam10 k8" ;;
*020?f??:*:*:*|20?f??:*:*:*) ax_gcc_arch="athlon64-sse3 k8-sse3 athlon64 k8" ;;
*05??f??:*:*:*|5??f??:*:*:*) ax_gcc_arch="btver1 amdfam10 k8" ;;
*060?f??:*:*:*|60?f??:*:*:*) ax_gcc_arch="bdver1 amdfam10 k8" ;;
*061?f??:*:*:*|61?f??:*:*:*) ax_gcc_arch="bdver2 bdver1 amdfam10 k8" ;;
*06??f??:*:*:*|6??f??:*:*:*) ax_gcc_arch="bdver3 bdver2 bdver1 amdfam10 k8" ;;
*070?f??:*:*:*|70?f??:*:*:*) ax_gcc_arch="btver2 btver1 amdfam10 k8" ;;
*???f??:*:*:*) ax_gcc_arch="amdfam10 k8" ;;
esac ;;
*:746e6543:736c7561:48727561) # IDT / VIA (Centaur)
case $ax_cv_gcc_x86_cpuid_1 in
*54?:*:*:*) ax_gcc_arch=winchip-c6 ;;
*5[[89]]?:*:*:*) ax_gcc_arch=winchip2 ;;
*66?:*:*:*) ax_gcc_arch=winchip2 ;;
*6[[78]]?:*:*:*) ax_gcc_arch=c3 ;;
*6[[9adf]]?:*:*:*) ax_gcc_arch="c3-2 c3" ;;
esac ;;
esac
if test x"$ax_gcc_arch" = x; then # fallback
case $host_cpu in
i586*) ax_gcc_arch=pentium ;;
i686*) ax_gcc_arch=pentiumpro ;;
esac
fi
;;
sparc*)
AC_PATH_PROG([PRTDIAG], [prtdiag], [prtdiag], [$PATH:/usr/platform/`uname -i`/sbin/:/usr/platform/`uname -m`/sbin/])
cputype=`(((grep cpu /proc/cpuinfo | cut -d: -f2) ; ($PRTDIAG -v |grep -i sparc) ; grep -i cpu /var/run/dmesg.boot ) | head -n 1) 2> /dev/null`
cputype=`echo "$cputype" | tr -d ' -' | $SED 's/SPARCIIi/SPARCII/' |tr $as_cr_LETTERS $as_cr_letters`
case $cputype in
*ultrasparciv*) ax_gcc_arch="ultrasparc4 ultrasparc3 ultrasparc v9" ;;
*ultrasparciii*) ax_gcc_arch="ultrasparc3 ultrasparc v9" ;;
*ultrasparc*) ax_gcc_arch="ultrasparc v9" ;;
*supersparc*|*tms390z5[[05]]*) ax_gcc_arch="supersparc v8" ;;
*hypersparc*|*rt62[[056]]*) ax_gcc_arch="hypersparc v8" ;;
*cypress*) ax_gcc_arch=cypress ;;
esac ;;
alphaev5) ax_gcc_arch=ev5 ;;
alphaev56) ax_gcc_arch=ev56 ;;
alphapca56) ax_gcc_arch="pca56 ev56" ;;
alphapca57) ax_gcc_arch="pca57 pca56 ev56" ;;
alphaev6) ax_gcc_arch=ev6 ;;
alphaev67) ax_gcc_arch=ev67 ;;
alphaev68) ax_gcc_arch="ev68 ev67" ;;
alphaev69) ax_gcc_arch="ev69 ev68 ev67" ;;
alphaev7) ax_gcc_arch="ev7 ev69 ev68 ev67" ;;
alphaev79) ax_gcc_arch="ev79 ev7 ev69 ev68 ev67" ;;
powerpc*)
cputype=`((grep cpu /proc/cpuinfo | head -n 1 | cut -d: -f2 | cut -d, -f1 | $SED 's/ //g') ; /usr/bin/machine ; /bin/machine; grep CPU /var/run/dmesg.boot | head -n 1 | cut -d" " -f2) 2> /dev/null`
cputype=`echo $cputype | $SED -e 's/ppc//g;s/ *//g'`
case $cputype in
*750*) ax_gcc_arch="750 G3" ;;
*740[[0-9]]*) ax_gcc_arch="$cputype 7400 G4" ;;
*74[[4-5]][[0-9]]*) ax_gcc_arch="$cputype 7450 G4" ;;
*74[[0-9]][[0-9]]*) ax_gcc_arch="$cputype G4" ;;
*970*) ax_gcc_arch="970 G5 power4";;
*POWER4*|*power4*|*gq*) ax_gcc_arch="power4 970";;
*POWER5*|*power5*|*gr*|*gs*) ax_gcc_arch="power5 power4 970";;
603ev|8240) ax_gcc_arch="$cputype 603e 603";;
*POWER7*) ax_gcc_arch="power7";;
*POWER8*) ax_gcc_arch="power8";;
*POWER9*) ax_gcc_arch="power9";;
*POWER10*) ax_gcc_arch="power10";;
*) ax_gcc_arch=$cputype ;;
esac
ax_gcc_arch="$ax_gcc_arch powerpc"
;;
aarch64)
cpuimpl=`grep 'CPU implementer' /proc/cpuinfo 2> /dev/null | cut -d: -f2 | tr -d " " | head -n 1`
cpuarch=`grep 'CPU architecture' /proc/cpuinfo 2> /dev/null | cut -d: -f2 | tr -d " " | head -n 1`
cpuvar=`grep 'CPU variant' /proc/cpuinfo 2> /dev/null | cut -d: -f2 | tr -d " " | head -n 1`
case $cpuimpl in
0x42) case $cpuarch in
8) case $cpuvar in
0x0) ax_gcc_arch="thunderx2t99 vulcan armv8.1-a armv8-a+lse armv8-a native" ;;
esac
;;
esac
;;
0x43) case $cpuarch in
8) case $cpuvar in
0x0) ax_gcc_arch="thunderx armv8-a native" ;;
0x1) ax_gcc_arch="thunderx+lse armv8.1-a armv8-a+lse armv8-a native" ;;
esac
;;
esac
;;
esac
;;
esac
fi # not cross-compiling
fi # guess arch
if test "x$ax_gcc_arch" != x -a "x$ax_gcc_arch" != xno; then
if test "x[]m4_default([$1],yes)" = xyes; then # if we require portable code
flag_prefixes="-mtune="
if test "x$ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor" = xclang; then flag_prefixes="-march="; fi
# -mcpu=$arch and m$arch generate nonportable code on every arch except
# x86. And some other arches (e.g. Alpha) don't accept -mtune. Grrr.
case $host_cpu in i*86|x86_64*|amd64*) flag_prefixes="$flag_prefixes -mcpu= -m";; esac
else
flag_prefixes="-march= -mcpu= -m"
fi
for flag_prefix in $flag_prefixes; do
for arch in $ax_gcc_arch; do
flag="$flag_prefix$arch"
AX_CHECK_COMPILE_FLAG($flag, [if test "x$ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor" = xclang; then
if test "x[]m4_default([$1],yes)" = xyes; then
if test "x$flag" = "x-march=$arch"; then flag=-mtune=$arch; fi
fi
fi; ax_cv_gcc_archflag=$flag; break])
done
test "x$ax_cv_gcc_archflag" = xunknown || break
done
fi
fi # $GCC=yes
])
AC_MSG_CHECKING([for gcc architecture flag])
AC_MSG_RESULT($ax_cv_gcc_archflag)
if test "x$ax_cv_gcc_archflag" = xunknown; then
m4_default([$3],:)
else
m4_default([$2], [CFLAGS="$CFLAGS $ax_cv_gcc_archflag"])
fi
])
m4/ax_gcc_x86_cpuid.m4
+89
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@@ -0,0 +1,89 @@
# ===========================================================================
# https://www.gnu.org/software/autoconf-archive/ax_gcc_x86_cpuid.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_GCC_X86_CPUID(OP)
# AX_GCC_X86_CPUID_COUNT(OP, COUNT)
#
# DESCRIPTION
#
# On Pentium and later x86 processors, with gcc or a compiler that has a
# compatible syntax for inline assembly instructions, run a small program
# that executes the cpuid instruction with input OP. This can be used to
# detect the CPU type. AX_GCC_X86_CPUID_COUNT takes an additional COUNT
# parameter that gets passed into register ECX before calling cpuid.
#
# On output, the values of the eax, ebx, ecx, and edx registers are stored
# as hexadecimal strings as "eax:ebx:ecx:edx" in the cache variable
# ax_cv_gcc_x86_cpuid_OP.
#
# If the cpuid instruction fails (because you are running a
# cross-compiler, or because you are not using gcc, or because you are on
# a processor that doesn't have this instruction), ax_cv_gcc_x86_cpuid_OP
# is set to the string "unknown".
#
# This macro mainly exists to be used in AX_GCC_ARCHFLAG.
#
# LICENSE
#
# Copyright (c) 2008 Steven G. Johnson <stevenj@alum.mit.edu>
# Copyright (c) 2008 Matteo Frigo
# Copyright (c) 2015 Michael Petch <mpetch@capp-sysware.com>
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation, either version 3 of the License, or (at your
# option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program. If not, see <https://www.gnu.org/licenses/>.
#
# As a special exception, the respective Autoconf Macro's copyright owner
# gives unlimited permission to copy, distribute and modify the configure
# scripts that are the output of Autoconf when processing the Macro. You
# need not follow the terms of the GNU General Public License when using
# or distributing such scripts, even though portions of the text of the
# Macro appear in them. The GNU General Public License (GPL) does govern
# all other use of the material that constitutes the Autoconf Macro.
#
# This special exception to the GPL applies to versions of the Autoconf
# Macro released by the Autoconf Archive. When you make and distribute a
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
#serial 10
AC_DEFUN([AX_GCC_X86_CPUID],
[AX_GCC_X86_CPUID_COUNT($1, 0)
])
AC_DEFUN([AX_GCC_X86_CPUID_COUNT],
[AC_REQUIRE([AC_PROG_CC])
AC_LANG_PUSH([C])
AC_CACHE_CHECK(for x86 cpuid $1 output, ax_cv_gcc_x86_cpuid_$1,
[AC_RUN_IFELSE([AC_LANG_PROGRAM([#include <stdio.h>], [
int op = $1, level = $2, eax, ebx, ecx, edx;
FILE *f;
__asm__ __volatile__ ("xchg %%ebx, %1\n"
"cpuid\n"
"xchg %%ebx, %1\n"
: "=a" (eax), "=r" (ebx), "=c" (ecx), "=d" (edx)
: "a" (op), "2" (level));
f = fopen("conftest_cpuid", "w"); if (!f) return 1;
fprintf(f, "%x:%x:%x:%x\n", eax, ebx, ecx, edx);
fclose(f);
return 0;
])],
[ax_cv_gcc_x86_cpuid_$1=`cat conftest_cpuid`; rm -f conftest_cpuid],
[ax_cv_gcc_x86_cpuid_$1=unknown; rm -f conftest_cpuid],
[ax_cv_gcc_x86_cpuid_$1=unknown])])
AC_LANG_POP([C])
])
m4/ax_require_defined.m4
+37
View File
@@ -0,0 +1,37 @@
# ===========================================================================
# https://www.gnu.org/software/autoconf-archive/ax_require_defined.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_REQUIRE_DEFINED(MACRO)
#
# DESCRIPTION
#
# AX_REQUIRE_DEFINED is a simple helper for making sure other macros have
# been defined and thus are available for use. This avoids random issues
# where a macro isn't expanded. Instead the configure script emits a
# non-fatal:
#
# ./configure: line 1673: AX_CFLAGS_WARN_ALL: command not found
#
# It's like AC_REQUIRE except it doesn't expand the required macro.
#
# Here's an example:
#
# AX_REQUIRE_DEFINED([AX_CHECK_LINK_FLAG])
#
# LICENSE
#
# Copyright (c) 2014 Mike Frysinger <vapier@gentoo.org>
#
# Copying and distribution of this file, with or without modification, are
# permitted in any medium without royalty provided the copyright notice
# and this notice are preserved. This file is offered as-is, without any
# warranty.
#serial 2
AC_DEFUN([AX_REQUIRE_DEFINED], [dnl
m4_ifndef([$1], [m4_fatal([macro ]$1[ is not defined; is a m4 file missing?])])
])dnl AX_REQUIRE_DEFINED
m4/libtool.m4
Vendored
+8372
View File
File diff suppressed because it is too large Load Diff
m4/ltoptions.m4
Vendored
+437
View File
@@ -0,0 +1,437 @@
# Helper functions for option handling. -*- Autoconf -*-
#
# Copyright (C) 2004-2005, 2007-2009, 2011-2015 Free Software
# Foundation, Inc.
# Written by Gary V. Vaughan, 2004
#
# This file is free software; the Free Software Foundation gives
# unlimited permission to copy and/or distribute it, with or without
# modifications, as long as this notice is preserved.
# serial 8 ltoptions.m4
# This is to help aclocal find these macros, as it can't see m4_define.
AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])])
# _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME)
# ------------------------------------------
m4_define([_LT_MANGLE_OPTION],
[[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])])
# _LT_SET_OPTION(MACRO-NAME, OPTION-NAME)
# ---------------------------------------
# Set option OPTION-NAME for macro MACRO-NAME, and if there is a
# matching handler defined, dispatch to it. Other OPTION-NAMEs are
# saved as a flag.
m4_define([_LT_SET_OPTION],
[m4_define(_LT_MANGLE_OPTION([$1], [$2]))dnl
m4_ifdef(_LT_MANGLE_DEFUN([$1], [$2]),
_LT_MANGLE_DEFUN([$1], [$2]),
[m4_warning([Unknown $1 option '$2'])])[]dnl
])
# _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET])
# ------------------------------------------------------------
# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
m4_define([_LT_IF_OPTION],
[m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])])
# _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET)
# -------------------------------------------------------
# Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME
# are set.
m4_define([_LT_UNLESS_OPTIONS],
[m4_foreach([_LT_Option], m4_split(m4_normalize([$2])),
[m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option),
[m4_define([$0_found])])])[]dnl
m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3
])[]dnl
])
# _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST)
# ----------------------------------------
# OPTION-LIST is a space-separated list of Libtool options associated
# with MACRO-NAME. If any OPTION has a matching handler declared with
# LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about
# the unknown option and exit.
m4_defun([_LT_SET_OPTIONS],
[# Set options
m4_foreach([_LT_Option], m4_split(m4_normalize([$2])),
[_LT_SET_OPTION([$1], _LT_Option)])
m4_if([$1],[LT_INIT],[
dnl
dnl Simply set some default values (i.e off) if boolean options were not
dnl specified:
_LT_UNLESS_OPTIONS([LT_INIT], [dlopen], [enable_dlopen=no
])
_LT_UNLESS_OPTIONS([LT_INIT], [win32-dll], [enable_win32_dll=no
])
dnl
dnl If no reference was made to various pairs of opposing options, then
dnl we run the default mode handler for the pair. For example, if neither
dnl 'shared' nor 'disable-shared' was passed, we enable building of shared
dnl archives by default:
_LT_UNLESS_OPTIONS([LT_INIT], [shared disable-shared], [_LT_ENABLE_SHARED])
_LT_UNLESS_OPTIONS([LT_INIT], [static disable-static], [_LT_ENABLE_STATIC])
_LT_UNLESS_OPTIONS([LT_INIT], [pic-only no-pic], [_LT_WITH_PIC])
_LT_UNLESS_OPTIONS([LT_INIT], [fast-install disable-fast-install],
[_LT_ENABLE_FAST_INSTALL])
_LT_UNLESS_OPTIONS([LT_INIT], [aix-soname=aix aix-soname=both aix-soname=svr4],
[_LT_WITH_AIX_SONAME([aix])])
])
])# _LT_SET_OPTIONS
## --------------------------------- ##
## Macros to handle LT_INIT options. ##
## --------------------------------- ##
# _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME)
# -----------------------------------------
m4_define([_LT_MANGLE_DEFUN],
[[_LT_OPTION_DEFUN_]m4_bpatsubst(m4_toupper([$1__$2]), [[^A-Z0-9_]], [_])])
# LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE)
# -----------------------------------------------
m4_define([LT_OPTION_DEFINE],
[m4_define(_LT_MANGLE_DEFUN([$1], [$2]), [$3])[]dnl
])# LT_OPTION_DEFINE
# dlopen
# ------
LT_OPTION_DEFINE([LT_INIT], [dlopen], [enable_dlopen=yes
])
AU_DEFUN([AC_LIBTOOL_DLOPEN],
[_LT_SET_OPTION([LT_INIT], [dlopen])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you
put the 'dlopen' option into LT_INIT's first parameter.])
])
dnl aclocal-1.4 backwards compatibility:
dnl AC_DEFUN([AC_LIBTOOL_DLOPEN], [])
# win32-dll
# ---------
# Declare package support for building win32 dll's.
LT_OPTION_DEFINE([LT_INIT], [win32-dll],
[enable_win32_dll=yes
case $host in
*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-cegcc*)
AC_CHECK_TOOL(AS, as, false)
AC_CHECK_TOOL(DLLTOOL, dlltool, false)
AC_CHECK_TOOL(OBJDUMP, objdump, false)
;;
esac
test -z "$AS" && AS=as
_LT_DECL([], [AS], [1], [Assembler program])dnl
test -z "$DLLTOOL" && DLLTOOL=dlltool
_LT_DECL([], [DLLTOOL], [1], [DLL creation program])dnl
test -z "$OBJDUMP" && OBJDUMP=objdump
_LT_DECL([], [OBJDUMP], [1], [Object dumper program])dnl
])# win32-dll
AU_DEFUN([AC_LIBTOOL_WIN32_DLL],
[AC_REQUIRE([AC_CANONICAL_HOST])dnl
_LT_SET_OPTION([LT_INIT], [win32-dll])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you
put the 'win32-dll' option into LT_INIT's first parameter.])
])
dnl aclocal-1.4 backwards compatibility:
dnl AC_DEFUN([AC_LIBTOOL_WIN32_DLL], [])
# _LT_ENABLE_SHARED([DEFAULT])
# ----------------------------
# implement the --enable-shared flag, and supports the 'shared' and
# 'disable-shared' LT_INIT options.
# DEFAULT is either 'yes' or 'no'. If omitted, it defaults to 'yes'.
m4_define([_LT_ENABLE_SHARED],
[m4_define([_LT_ENABLE_SHARED_DEFAULT], [m4_if($1, no, no, yes)])dnl
AC_ARG_ENABLE([shared],
[AS_HELP_STRING([--enable-shared@<:@=PKGS@:>@],
[build shared libraries @<:@default=]_LT_ENABLE_SHARED_DEFAULT[@:>@])],
[p=${PACKAGE-default}
case $enableval in
yes) enable_shared=yes ;;
no) enable_shared=no ;;
*)
enable_shared=no
# Look at the argument we got. We use all the common list separators.
lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
for pkg in $enableval; do
IFS=$lt_save_ifs
if test "X$pkg" = "X$p"; then
enable_shared=yes
fi
done
IFS=$lt_save_ifs
;;
esac],
[enable_shared=]_LT_ENABLE_SHARED_DEFAULT)
_LT_DECL([build_libtool_libs], [enable_shared], [0],
[Whether or not to build shared libraries])
])# _LT_ENABLE_SHARED
LT_OPTION_DEFINE([LT_INIT], [shared], [_LT_ENABLE_SHARED([yes])])
LT_OPTION_DEFINE([LT_INIT], [disable-shared], [_LT_ENABLE_SHARED([no])])
# Old names:
AC_DEFUN([AC_ENABLE_SHARED],
[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[shared])
])
AC_DEFUN([AC_DISABLE_SHARED],
[_LT_SET_OPTION([LT_INIT], [disable-shared])
])
AU_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)])
AU_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)])
dnl aclocal-1.4 backwards compatibility:
dnl AC_DEFUN([AM_ENABLE_SHARED], [])
dnl AC_DEFUN([AM_DISABLE_SHARED], [])
# _LT_ENABLE_STATIC([DEFAULT])
# ----------------------------
# implement the --enable-static flag, and support the 'static' and
# 'disable-static' LT_INIT options.
# DEFAULT is either 'yes' or 'no'. If omitted, it defaults to 'yes'.
m4_define([_LT_ENABLE_STATIC],
[m4_define([_LT_ENABLE_STATIC_DEFAULT], [m4_if($1, no, no, yes)])dnl
AC_ARG_ENABLE([static],
[AS_HELP_STRING([--enable-static@<:@=PKGS@:>@],
[build static libraries @<:@default=]_LT_ENABLE_STATIC_DEFAULT[@:>@])],
[p=${PACKAGE-default}
case $enableval in
yes) enable_static=yes ;;
no) enable_static=no ;;
*)
enable_static=no
# Look at the argument we got. We use all the common list separators.
lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
for pkg in $enableval; do
IFS=$lt_save_ifs
if test "X$pkg" = "X$p"; then
enable_static=yes
fi
done
IFS=$lt_save_ifs
;;
esac],
[enable_static=]_LT_ENABLE_STATIC_DEFAULT)
_LT_DECL([build_old_libs], [enable_static], [0],
[Whether or not to build static libraries])
])# _LT_ENABLE_STATIC
LT_OPTION_DEFINE([LT_INIT], [static], [_LT_ENABLE_STATIC([yes])])
LT_OPTION_DEFINE([LT_INIT], [disable-static], [_LT_ENABLE_STATIC([no])])
# Old names:
AC_DEFUN([AC_ENABLE_STATIC],
[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[static])
])
AC_DEFUN([AC_DISABLE_STATIC],
[_LT_SET_OPTION([LT_INIT], [disable-static])
])
AU_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)])
AU_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)])
dnl aclocal-1.4 backwards compatibility:
dnl AC_DEFUN([AM_ENABLE_STATIC], [])
dnl AC_DEFUN([AM_DISABLE_STATIC], [])
# _LT_ENABLE_FAST_INSTALL([DEFAULT])
# ----------------------------------
# implement the --enable-fast-install flag, and support the 'fast-install'
# and 'disable-fast-install' LT_INIT options.
# DEFAULT is either 'yes' or 'no'. If omitted, it defaults to 'yes'.
m4_define([_LT_ENABLE_FAST_INSTALL],
[m4_define([_LT_ENABLE_FAST_INSTALL_DEFAULT], [m4_if($1, no, no, yes)])dnl
AC_ARG_ENABLE([fast-install],
[AS_HELP_STRING([--enable-fast-install@<:@=PKGS@:>@],
[optimize for fast installation @<:@default=]_LT_ENABLE_FAST_INSTALL_DEFAULT[@:>@])],
[p=${PACKAGE-default}
case $enableval in
yes) enable_fast_install=yes ;;
no) enable_fast_install=no ;;
*)
enable_fast_install=no
# Look at the argument we got. We use all the common list separators.
lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
for pkg in $enableval; do
IFS=$lt_save_ifs
if test "X$pkg" = "X$p"; then
enable_fast_install=yes
fi
done
IFS=$lt_save_ifs
;;
esac],
[enable_fast_install=]_LT_ENABLE_FAST_INSTALL_DEFAULT)
_LT_DECL([fast_install], [enable_fast_install], [0],
[Whether or not to optimize for fast installation])dnl
])# _LT_ENABLE_FAST_INSTALL
LT_OPTION_DEFINE([LT_INIT], [fast-install], [_LT_ENABLE_FAST_INSTALL([yes])])
LT_OPTION_DEFINE([LT_INIT], [disable-fast-install], [_LT_ENABLE_FAST_INSTALL([no])])
# Old names:
AU_DEFUN([AC_ENABLE_FAST_INSTALL],
[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[fast-install])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you put
the 'fast-install' option into LT_INIT's first parameter.])
])
AU_DEFUN([AC_DISABLE_FAST_INSTALL],
[_LT_SET_OPTION([LT_INIT], [disable-fast-install])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you put
the 'disable-fast-install' option into LT_INIT's first parameter.])
])
dnl aclocal-1.4 backwards compatibility:
dnl AC_DEFUN([AC_ENABLE_FAST_INSTALL], [])
dnl AC_DEFUN([AM_DISABLE_FAST_INSTALL], [])
# _LT_WITH_AIX_SONAME([DEFAULT])
# ----------------------------------
# implement the --with-aix-soname flag, and support the `aix-soname=aix'
# and `aix-soname=both' and `aix-soname=svr4' LT_INIT options. DEFAULT
# is either `aix', `both' or `svr4'. If omitted, it defaults to `aix'.
m4_define([_LT_WITH_AIX_SONAME],
[m4_define([_LT_WITH_AIX_SONAME_DEFAULT], [m4_if($1, svr4, svr4, m4_if($1, both, both, aix))])dnl
shared_archive_member_spec=
case $host,$enable_shared in
power*-*-aix[[5-9]]*,yes)
AC_MSG_CHECKING([which variant of shared library versioning to provide])
AC_ARG_WITH([aix-soname],
[AS_HELP_STRING([--with-aix-soname=aix|svr4|both],
[shared library versioning (aka "SONAME") variant to provide on AIX, @<:@default=]_LT_WITH_AIX_SONAME_DEFAULT[@:>@.])],
[case $withval in
aix|svr4|both)
;;
*)
AC_MSG_ERROR([Unknown argument to --with-aix-soname])
;;
esac
lt_cv_with_aix_soname=$with_aix_soname],
[AC_CACHE_VAL([lt_cv_with_aix_soname],
[lt_cv_with_aix_soname=]_LT_WITH_AIX_SONAME_DEFAULT)
with_aix_soname=$lt_cv_with_aix_soname])
AC_MSG_RESULT([$with_aix_soname])
if test aix != "$with_aix_soname"; then
# For the AIX way of multilib, we name the shared archive member
# based on the bitwidth used, traditionally 'shr.o' or 'shr_64.o',
# and 'shr.imp' or 'shr_64.imp', respectively, for the Import File.
# Even when GNU compilers ignore OBJECT_MODE but need '-maix64' flag,
# the AIX toolchain works better with OBJECT_MODE set (default 32).
if test 64 = "${OBJECT_MODE-32}"; then
shared_archive_member_spec=shr_64
else
shared_archive_member_spec=shr
fi
fi
;;
*)
with_aix_soname=aix
;;
esac
_LT_DECL([], [shared_archive_member_spec], [0],
[Shared archive member basename, for filename based shared library versioning on AIX])dnl
])# _LT_WITH_AIX_SONAME
LT_OPTION_DEFINE([LT_INIT], [aix-soname=aix], [_LT_WITH_AIX_SONAME([aix])])
LT_OPTION_DEFINE([LT_INIT], [aix-soname=both], [_LT_WITH_AIX_SONAME([both])])
LT_OPTION_DEFINE([LT_INIT], [aix-soname=svr4], [_LT_WITH_AIX_SONAME([svr4])])
# _LT_WITH_PIC([MODE])
# --------------------
# implement the --with-pic flag, and support the 'pic-only' and 'no-pic'
# LT_INIT options.
# MODE is either 'yes' or 'no'. If omitted, it defaults to 'both'.
m4_define([_LT_WITH_PIC],
[AC_ARG_WITH([pic],
[AS_HELP_STRING([--with-pic@<:@=PKGS@:>@],
[try to use only PIC/non-PIC objects @<:@default=use both@:>@])],
[lt_p=${PACKAGE-default}
case $withval in
yes|no) pic_mode=$withval ;;
*)
pic_mode=default
# Look at the argument we got. We use all the common list separators.
lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
for lt_pkg in $withval; do
IFS=$lt_save_ifs
if test "X$lt_pkg" = "X$lt_p"; then
pic_mode=yes
fi
done
IFS=$lt_save_ifs
;;
esac],
[pic_mode=m4_default([$1], [default])])
_LT_DECL([], [pic_mode], [0], [What type of objects to build])dnl
])# _LT_WITH_PIC
LT_OPTION_DEFINE([LT_INIT], [pic-only], [_LT_WITH_PIC([yes])])
LT_OPTION_DEFINE([LT_INIT], [no-pic], [_LT_WITH_PIC([no])])
# Old name:
AU_DEFUN([AC_LIBTOOL_PICMODE],
[_LT_SET_OPTION([LT_INIT], [pic-only])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you
put the 'pic-only' option into LT_INIT's first parameter.])
])
dnl aclocal-1.4 backwards compatibility:
dnl AC_DEFUN([AC_LIBTOOL_PICMODE], [])
## ----------------- ##
## LTDL_INIT Options ##
## ----------------- ##
m4_define([_LTDL_MODE], [])
LT_OPTION_DEFINE([LTDL_INIT], [nonrecursive],
[m4_define([_LTDL_MODE], [nonrecursive])])
LT_OPTION_DEFINE([LTDL_INIT], [recursive],
[m4_define([_LTDL_MODE], [recursive])])
LT_OPTION_DEFINE([LTDL_INIT], [subproject],
[m4_define([_LTDL_MODE], [subproject])])
m4_define([_LTDL_TYPE], [])
LT_OPTION_DEFINE([LTDL_INIT], [installable],
[m4_define([_LTDL_TYPE], [installable])])
LT_OPTION_DEFINE([LTDL_INIT], [convenience],
[m4_define([_LTDL_TYPE], [convenience])])
m4/ltsugar.m4
Vendored
+124
View File
@@ -0,0 +1,124 @@
# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*-
#
# Copyright (C) 2004-2005, 2007-2008, 2011-2015 Free Software
# Foundation, Inc.
# Written by Gary V. Vaughan, 2004
#
# This file is free software; the Free Software Foundation gives
# unlimited permission to copy and/or distribute it, with or without
# modifications, as long as this notice is preserved.
# serial 6 ltsugar.m4
# This is to help aclocal find these macros, as it can't see m4_define.
AC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])])
# lt_join(SEP, ARG1, [ARG2...])
# -----------------------------
# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their
# associated separator.
# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier
# versions in m4sugar had bugs.
m4_define([lt_join],
[m4_if([$#], [1], [],
[$#], [2], [[$2]],
[m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])])
m4_define([_lt_join],
[m4_if([$#$2], [2], [],
[m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])])
# lt_car(LIST)
# lt_cdr(LIST)
# ------------
# Manipulate m4 lists.
# These macros are necessary as long as will still need to support
# Autoconf-2.59, which quotes differently.
m4_define([lt_car], [[$1]])
m4_define([lt_cdr],
[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])],
[$#], 1, [],
[m4_dquote(m4_shift($@))])])
m4_define([lt_unquote], $1)
# lt_append(MACRO-NAME, STRING, [SEPARATOR])
# ------------------------------------------
# Redefine MACRO-NAME to hold its former content plus 'SEPARATOR''STRING'.
# Note that neither SEPARATOR nor STRING are expanded; they are appended
# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked).
# No SEPARATOR is output if MACRO-NAME was previously undefined (different
# than defined and empty).
#
# This macro is needed until we can rely on Autoconf 2.62, since earlier
# versions of m4sugar mistakenly expanded SEPARATOR but not STRING.
m4_define([lt_append],
[m4_define([$1],
m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])])
# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...])
# ----------------------------------------------------------
# Produce a SEP delimited list of all paired combinations of elements of
# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list
# has the form PREFIXmINFIXSUFFIXn.
# Needed until we can rely on m4_combine added in Autoconf 2.62.
m4_define([lt_combine],
[m4_if(m4_eval([$# > 3]), [1],
[m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl
[[m4_foreach([_Lt_prefix], [$2],
[m4_foreach([_Lt_suffix],
]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[,
[_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])])
# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ])
# -----------------------------------------------------------------------
# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited
# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ.
m4_define([lt_if_append_uniq],
[m4_ifdef([$1],
[m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1],
[lt_append([$1], [$2], [$3])$4],
[$5])],
[lt_append([$1], [$2], [$3])$4])])
# lt_dict_add(DICT, KEY, VALUE)
# -----------------------------
m4_define([lt_dict_add],
[m4_define([$1($2)], [$3])])
# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE)
# --------------------------------------------
m4_define([lt_dict_add_subkey],
[m4_define([$1($2:$3)], [$4])])
# lt_dict_fetch(DICT, KEY, [SUBKEY])
# ----------------------------------
m4_define([lt_dict_fetch],
[m4_ifval([$3],
m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]),
m4_ifdef([$1($2)], [m4_defn([$1($2)])]))])
# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE])
# -----------------------------------------------------------------
m4_define([lt_if_dict_fetch],
[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4],
[$5],
[$6])])
# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...])
# --------------------------------------------------------------
m4_define([lt_dict_filter],
[m4_if([$5], [], [],
[lt_join(m4_quote(m4_default([$4], [[, ]])),
lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]),
[lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl
])
m4/ltversion.m4
Vendored
+23
View File
@@ -0,0 +1,23 @@
# ltversion.m4 -- version numbers -*- Autoconf -*-
#
# Copyright (C) 2004, 2011-2015 Free Software Foundation, Inc.
# Written by Scott James Remnant, 2004
#
# This file is free software; the Free Software Foundation gives
# unlimited permission to copy and/or distribute it, with or without
# modifications, as long as this notice is preserved.
# @configure_input@
# serial 4179 ltversion.m4
# This file is part of GNU Libtool
m4_define([LT_PACKAGE_VERSION], [2.4.6])
m4_define([LT_PACKAGE_REVISION], [2.4.6])
AC_DEFUN([LTVERSION_VERSION],
[macro_version='2.4.6'
macro_revision='2.4.6'
_LT_DECL(, macro_version, 0, [Which release of libtool.m4 was used?])
_LT_DECL(, macro_revision, 0)
])
m4/lt~obsolete.m4
Vendored
+99
View File
@@ -0,0 +1,99 @@
# lt~obsolete.m4 -- aclocal satisfying obsolete definitions. -*-Autoconf-*-
#
# Copyright (C) 2004-2005, 2007, 2009, 2011-2015 Free Software
# Foundation, Inc.
# Written by Scott James Remnant, 2004.
#
# This file is free software; the Free Software Foundation gives
# unlimited permission to copy and/or distribute it, with or without
# modifications, as long as this notice is preserved.
# serial 5 lt~obsolete.m4
# These exist entirely to fool aclocal when bootstrapping libtool.
#
# In the past libtool.m4 has provided macros via AC_DEFUN (or AU_DEFUN),
# which have later been changed to m4_define as they aren't part of the
# exported API, or moved to Autoconf or Automake where they belong.
#
# The trouble is, aclocal is a bit thick. It'll see the old AC_DEFUN
# in /usr/share/aclocal/libtool.m4 and remember it, then when it sees us
# using a macro with the same name in our local m4/libtool.m4 it'll
# pull the old libtool.m4 in (it doesn't see our shiny new m4_define
# and doesn't know about Autoconf macros at all.)
#
# So we provide this file, which has a silly filename so it's always
# included after everything else. This provides aclocal with the
# AC_DEFUNs it wants, but when m4 processes it, it doesn't do anything
# because those macros already exist, or will be overwritten later.
# We use AC_DEFUN over AU_DEFUN for compatibility with aclocal-1.6.
#
# Anytime we withdraw an AC_DEFUN or AU_DEFUN, remember to add it here.
# Yes, that means every name once taken will need to remain here until
# we give up compatibility with versions before 1.7, at which point
# we need to keep only those names which we still refer to.
# This is to help aclocal find these macros, as it can't see m4_define.
AC_DEFUN([LTOBSOLETE_VERSION], [m4_if([1])])
m4_ifndef([AC_LIBTOOL_LINKER_OPTION], [AC_DEFUN([AC_LIBTOOL_LINKER_OPTION])])
m4_ifndef([AC_PROG_EGREP], [AC_DEFUN([AC_PROG_EGREP])])
m4_ifndef([_LT_AC_PROG_ECHO_BACKSLASH], [AC_DEFUN([_LT_AC_PROG_ECHO_BACKSLASH])])
m4_ifndef([_LT_AC_SHELL_INIT], [AC_DEFUN([_LT_AC_SHELL_INIT])])
m4_ifndef([_LT_AC_SYS_LIBPATH_AIX], [AC_DEFUN([_LT_AC_SYS_LIBPATH_AIX])])
m4_ifndef([_LT_PROG_LTMAIN], [AC_DEFUN([_LT_PROG_LTMAIN])])
m4_ifndef([_LT_AC_TAGVAR], [AC_DEFUN([_LT_AC_TAGVAR])])
m4_ifndef([AC_LTDL_ENABLE_INSTALL], [AC_DEFUN([AC_LTDL_ENABLE_INSTALL])])
m4_ifndef([AC_LTDL_PREOPEN], [AC_DEFUN([AC_LTDL_PREOPEN])])
m4_ifndef([_LT_AC_SYS_COMPILER], [AC_DEFUN([_LT_AC_SYS_COMPILER])])
m4_ifndef([_LT_AC_LOCK], [AC_DEFUN([_LT_AC_LOCK])])
m4_ifndef([AC_LIBTOOL_SYS_OLD_ARCHIVE], [AC_DEFUN([AC_LIBTOOL_SYS_OLD_ARCHIVE])])
m4_ifndef([_LT_AC_TRY_DLOPEN_SELF], [AC_DEFUN([_LT_AC_TRY_DLOPEN_SELF])])
m4_ifndef([AC_LIBTOOL_PROG_CC_C_O], [AC_DEFUN([AC_LIBTOOL_PROG_CC_C_O])])
m4_ifndef([AC_LIBTOOL_SYS_HARD_LINK_LOCKS], [AC_DEFUN([AC_LIBTOOL_SYS_HARD_LINK_LOCKS])])
m4_ifndef([AC_LIBTOOL_OBJDIR], [AC_DEFUN([AC_LIBTOOL_OBJDIR])])
m4_ifndef([AC_LTDL_OBJDIR], [AC_DEFUN([AC_LTDL_OBJDIR])])
m4_ifndef([AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH], [AC_DEFUN([AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH])])
m4_ifndef([AC_LIBTOOL_SYS_LIB_STRIP], [AC_DEFUN([AC_LIBTOOL_SYS_LIB_STRIP])])
m4_ifndef([AC_PATH_MAGIC], [AC_DEFUN([AC_PATH_MAGIC])])
m4_ifndef([AC_PROG_LD_GNU], [AC_DEFUN([AC_PROG_LD_GNU])])
m4_ifndef([AC_PROG_LD_RELOAD_FLAG], [AC_DEFUN([AC_PROG_LD_RELOAD_FLAG])])
m4_ifndef([AC_DEPLIBS_CHECK_METHOD], [AC_DEFUN([AC_DEPLIBS_CHECK_METHOD])])
m4_ifndef([AC_LIBTOOL_PROG_COMPILER_NO_RTTI], [AC_DEFUN([AC_LIBTOOL_PROG_COMPILER_NO_RTTI])])
m4_ifndef([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE], [AC_DEFUN([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE])])
m4_ifndef([AC_LIBTOOL_PROG_COMPILER_PIC], [AC_DEFUN([AC_LIBTOOL_PROG_COMPILER_PIC])])
m4_ifndef([AC_LIBTOOL_PROG_LD_SHLIBS], [AC_DEFUN([AC_LIBTOOL_PROG_LD_SHLIBS])])
m4_ifndef([AC_LIBTOOL_POSTDEP_PREDEP], [AC_DEFUN([AC_LIBTOOL_POSTDEP_PREDEP])])
m4_ifndef([LT_AC_PROG_EGREP], [AC_DEFUN([LT_AC_PROG_EGREP])])
m4_ifndef([LT_AC_PROG_SED], [AC_DEFUN([LT_AC_PROG_SED])])
m4_ifndef([_LT_CC_BASENAME], [AC_DEFUN([_LT_CC_BASENAME])])
m4_ifndef([_LT_COMPILER_BOILERPLATE], [AC_DEFUN([_LT_COMPILER_BOILERPLATE])])
m4_ifndef([_LT_LINKER_BOILERPLATE], [AC_DEFUN([_LT_LINKER_BOILERPLATE])])
m4_ifndef([_AC_PROG_LIBTOOL], [AC_DEFUN([_AC_PROG_LIBTOOL])])
m4_ifndef([AC_LIBTOOL_SETUP], [AC_DEFUN([AC_LIBTOOL_SETUP])])
m4_ifndef([_LT_AC_CHECK_DLFCN], [AC_DEFUN([_LT_AC_CHECK_DLFCN])])
m4_ifndef([AC_LIBTOOL_SYS_DYNAMIC_LINKER], [AC_DEFUN([AC_LIBTOOL_SYS_DYNAMIC_LINKER])])
m4_ifndef([_LT_AC_TAGCONFIG], [AC_DEFUN([_LT_AC_TAGCONFIG])])
m4_ifndef([AC_DISABLE_FAST_INSTALL], [AC_DEFUN([AC_DISABLE_FAST_INSTALL])])
m4_ifndef([_LT_AC_LANG_CXX], [AC_DEFUN([_LT_AC_LANG_CXX])])
m4_ifndef([_LT_AC_LANG_F77], [AC_DEFUN([_LT_AC_LANG_F77])])
m4_ifndef([_LT_AC_LANG_GCJ], [AC_DEFUN([_LT_AC_LANG_GCJ])])
m4_ifndef([AC_LIBTOOL_LANG_C_CONFIG], [AC_DEFUN([AC_LIBTOOL_LANG_C_CONFIG])])
m4_ifndef([_LT_AC_LANG_C_CONFIG], [AC_DEFUN([_LT_AC_LANG_C_CONFIG])])
m4_ifndef([AC_LIBTOOL_LANG_CXX_CONFIG], [AC_DEFUN([AC_LIBTOOL_LANG_CXX_CONFIG])])
m4_ifndef([_LT_AC_LANG_CXX_CONFIG], [AC_DEFUN([_LT_AC_LANG_CXX_CONFIG])])
m4_ifndef([AC_LIBTOOL_LANG_F77_CONFIG], [AC_DEFUN([AC_LIBTOOL_LANG_F77_CONFIG])])
m4_ifndef([_LT_AC_LANG_F77_CONFIG], [AC_DEFUN([_LT_AC_LANG_F77_CONFIG])])
m4_ifndef([AC_LIBTOOL_LANG_GCJ_CONFIG], [AC_DEFUN([AC_LIBTOOL_LANG_GCJ_CONFIG])])
m4_ifndef([_LT_AC_LANG_GCJ_CONFIG], [AC_DEFUN([_LT_AC_LANG_GCJ_CONFIG])])
m4_ifndef([AC_LIBTOOL_LANG_RC_CONFIG], [AC_DEFUN([AC_LIBTOOL_LANG_RC_CONFIG])])
m4_ifndef([_LT_AC_LANG_RC_CONFIG], [AC_DEFUN([_LT_AC_LANG_RC_CONFIG])])
m4_ifndef([AC_LIBTOOL_CONFIG], [AC_DEFUN([AC_LIBTOOL_CONFIG])])
m4_ifndef([_LT_AC_FILE_LTDLL_C], [AC_DEFUN([_LT_AC_FILE_LTDLL_C])])
m4_ifndef([_LT_REQUIRED_DARWIN_CHECKS], [AC_DEFUN([_LT_REQUIRED_DARWIN_CHECKS])])
m4_ifndef([_LT_AC_PROG_CXXCPP], [AC_DEFUN([_LT_AC_PROG_CXXCPP])])
m4_ifndef([_LT_PREPARE_SED_QUOTE_VARS], [AC_DEFUN([_LT_PREPARE_SED_QUOTE_VARS])])
m4_ifndef([_LT_PROG_ECHO_BACKSLASH], [AC_DEFUN([_LT_PROG_ECHO_BACKSLASH])])
m4_ifndef([_LT_PROG_F77], [AC_DEFUN([_LT_PROG_F77])])
m4_ifndef([_LT_PROG_FC], [AC_DEFUN([_LT_PROG_FC])])
m4_ifndef([_LT_PROG_CXX], [AC_DEFUN([_LT_PROG_CXX])])
make_sunver.pl
+333
View File
@@ -0,0 +1,333 @@
#!/usr/bin/perl -w
# make_sunver.pl
#
# This script takes at least two arguments, a GNU style version script and
# a list of object and archive files, and generates a corresponding Sun
# style version script as follows:
#
# Each glob pattern, C++ mangled pattern or literal in the input script is
# matched against all global symbols in the input objects, emitting those
# that matched (or nothing if no match was found).
# A comment with the original pattern and its type is left in the output
# file to make it easy to understand the matches.
#
# It uses elfdump when present (native), GNU readelf otherwise.
# It depends on the GNU version of c++filt, since it must understand the
# GNU mangling style.
use FileHandle;
use IPC::Open2;
# Enforce C locale.
$ENV{'LC_ALL'} = "C";
$ENV{'LANG'} = "C";
# Input version script, GNU style.
my $symvers = shift;
##########
# Get all the symbols from the library, match them, and add them to a hash.
my %sym_hash = ();
# List of objects and archives to process.
my @OBJECTS = ();
# List of shared objects to omit from processing.
my @SHAREDOBJS = ();
# Filter out those input archives that have corresponding shared objects to
# avoid adding all symbols matched in the archive to the output map.
foreach $file (@ARGV) {
if (($so = $file) =~ s/\.a$/.so/ && -e $so) {
printf STDERR "omitted $file -> $so\n";
push (@SHAREDOBJS, $so);
} else {
push (@OBJECTS, $file);
}
}
# We need to detect and ignore hidden symbols. Solaris nm can only detect
# this in the harder to parse default output format, and GNU nm not at all,
# so use elfdump -s in the native case and GNU readelf -s otherwise.
# GNU objdump -t cannot be used since it produces a variable number of
# columns.
# The path to elfdump.
my $elfdump = "/usr/ccs/bin/elfdump";
if (-f $elfdump) {
open ELFDUMP,$elfdump.' -s '.(join ' ',@OBJECTS).'|' or die $!;
my $skip_arsym = 0;
while (<ELFDUMP>) {
chomp;
# Ignore empty lines.
if (/^$/) {
# End of archive symbol table, stop skipping.
$skip_arsym = 0 if $skip_arsym;
next;
}
# Keep skipping until end of archive symbol table.
next if ($skip_arsym);
# Ignore object name header for individual objects and archives.
next if (/:$/);
# Ignore table header lines.
next if (/^Symbol Table Section:/);
next if (/index.*value.*size/);
# Start of archive symbol table: start skipping.
if (/^Symbol Table: \(archive/) {
$skip_arsym = 1;
next;
}
# Split table.
(undef, undef, undef, undef, $bind, $oth, undef, $shndx, $name) = split;
# Error out for unknown input.
die "unknown input line:\n$_" unless defined($bind);
# Ignore local symbols.
next if ($bind eq "LOCL");
# Ignore hidden symbols.
next if ($oth eq "H");
# Ignore undefined symbols.
next if ($shndx eq "UNDEF");
# Error out for unhandled cases.
if ($bind !~ /^(GLOB|WEAK)/ or $oth ne "D") {
die "unhandled symbol:\n$_";
}
# Remember symbol.
$sym_hash{$name}++;
}
close ELFDUMP or die "$elfdump error";
} else {
open READELF, 'readelf -s -W '.(join ' ',@OBJECTS).'|' or die $!;
# Process each symbol.
while (<READELF>) {
chomp;
# Ignore empty lines.
next if (/^$/);
# Ignore object name header.
next if (/^File: .*$/);
# Ignore table header lines.
next if (/^Symbol table.*contains.*:/);
next if (/Num:.*Value.*Size/);
# Split table.
(undef, undef, undef, undef, $bind, $vis, $ndx, $name) = split;
# Error out for unknown input.
die "unknown input line:\n$_" unless defined($bind);
# Ignore local symbols.
next if ($bind eq "LOCAL");
# Ignore hidden symbols.
next if ($vis eq "HIDDEN");
# Ignore undefined symbols.
next if ($ndx eq "UND");
# Error out for unhandled cases.
if ($bind !~ /^(GLOBAL|WEAK)/ or $vis ne "DEFAULT") {
die "unhandled symbol:\n$_";
}
# Remember symbol.
$sym_hash{$name}++;
}
close READELF or die "readelf error";
}
##########
# The various types of glob patterns.
#
# A glob pattern that is to be applied to the demangled name: 'cxx'.
# A glob patterns that applies directly to the name in the .o files: 'glob'.
# This pattern is ignored; used for local variables (usually just '*'): 'ign'.
# The type of the current pattern.
my $glob = 'glob';
# We're currently inside `extern "C++"', which Sun ld doesn't understand.
my $in_extern = 0;
# The c++filt command to use. This *must* be GNU c++filt; the Sun Studio
# c++filt doesn't handle the GNU mangling style.
my $cxxfilt = $ENV{'CXXFILT'} || "c++filt";
# The current version name.
my $current_version = "";
# Was there any attempt to match a symbol to this version?
my $matches_attempted;
# The number of versions which matched this symbol.
my $matched_symbols;
open F,$symvers or die $!;
# Print information about generating this file
print "# This file was generated by make_sunver.pl. DO NOT EDIT!\n";
print "# It was generated by:\n";
printf "# %s %s %s\n", $0, $symvers, (join ' ',@ARGV);
printf "# Omitted archives with corresponding shared libraries: %s\n",
(join ' ', @SHAREDOBJS) if $#SHAREDOBJS >= 0;
print "#\n\n";
while (<F>) {
# Lines of the form '};'
if (/^([ \t]*)(\}[ \t]*;[ \t]*)$/) {
$glob = 'glob';
if ($in_extern) {
$in_extern--;
print "$1##$2\n";
} else {
print;
}
next;
}
# Lines of the form '} SOME_VERSION_NAME_1.0;'
if (/^[ \t]*\}[ \tA-Z0-9_.a-z]+;[ \t]*$/) {
$glob = 'glob';
# We tried to match symbols agains this version, but none matched.
# Emit dummy hidden symbol to avoid marking this version WEAK.
if ($matches_attempted && $matched_symbols == 0) {
print " hidden:\n";
print " .force_WEAK_off_$current_version = DATA S0x0 V0x0;\n";
}
print; next;
}
# Comment and blank lines
if (/^[ \t]*\#/) { print; next; }
if (/^[ \t]*$/) { print; next; }
# Lines of the form '{'
if (/^([ \t]*){$/) {
if ($in_extern) {
print "$1##{\n";
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man/ffi.3
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.Dd February 15, 2008
.Dt FFI 3
.Sh NAME
.Nm FFI
.Nd Foreign Function Interface
.Sh LIBRARY
libffi, -lffi
.Sh SYNOPSIS
.In ffi.h
.Ft ffi_status
.Fo ffi_prep_cif
.Fa "ffi_cif *cif"
.Fa "ffi_abi abi"
.Fa "unsigned int nargs"
.Fa "ffi_type *rtype"
.Fa "ffi_type **atypes"
.Fc
.Ft void
.Fo ffi_prep_cif_var
.Fa "ffi_cif *cif"
.Fa "ffi_abi abi"
.Fa "unsigned int nfixedargs"
.Fa "unsigned int ntotalargs"
.Fa "ffi_type *rtype"
.Fa "ffi_type **atypes"
.Fc
.Ft void
.Fo ffi_call
.Fa "ffi_cif *cif"
.Fa "void (*fn)(void)"
.Fa "void *rvalue"
.Fa "void **avalue"
.Fc
.Sh DESCRIPTION
The foreign function interface provides a mechanism by which a function can
generate a call to another function at runtime without requiring knowledge of
the called function's interface at compile time.
.Sh SEE ALSO
.Xr ffi_prep_cif 3 ,
.Xr ffi_prep_cif_var 3 ,
.Xr ffi_call 3
man/ffi_call.3
+103
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.Dd February 15, 2008
.Dt ffi_call 3
.Sh NAME
.Nm ffi_call
.Nd Invoke a foreign function.
.Sh SYNOPSIS
.In ffi.h
.Ft void
.Fo ffi_call
.Fa "ffi_cif *cif"
.Fa "void (*fn)(void)"
.Fa "void *rvalue"
.Fa "void **avalue"
.Fc
.Sh DESCRIPTION
The
.Nm ffi_call
function provides a simple mechanism for invoking a function without
requiring knowledge of the function's interface at compile time.
.Fa fn
is called with the values retrieved from the pointers in the
.Fa avalue
array. The return value from
.Fa fn
is placed in storage pointed to by
.Fa rvalue .
.Fa cif
contains information describing the data types, sizes and alignments of the
arguments to and return value from
.Fa fn ,
and must be initialized with
.Nm ffi_prep_cif
before it is used with
.Nm ffi_call .
.Pp
.Fa rvalue
must point to storage that is sizeof(ffi_arg) or larger for non-floating point
types. For smaller-sized return value types, the
.Nm ffi_arg
or
.Nm ffi_sarg
integral type must be used to hold
the return value.
.Sh EXAMPLES
.Bd -literal
#include <ffi.h>
#include <stdio.h>
unsigned char
foo(unsigned int, float);
int
main(int argc, const char **argv)
{
ffi_cif cif;
ffi_type *arg_types[2];
void *arg_values[2];
ffi_status status;
// Because the return value from foo() is smaller than sizeof(long), it
// must be passed as ffi_arg or ffi_sarg.
ffi_arg result;
// Specify the data type of each argument. Available types are defined
// in <ffi/ffi.h>.
arg_types[0] = &ffi_type_uint;
arg_types[1] = &ffi_type_float;
// Prepare the ffi_cif structure.
if ((status = ffi_prep_cif(&cif, FFI_DEFAULT_ABI,
2, &ffi_type_uint8, arg_types)) != FFI_OK)
{
// Handle the ffi_status error.
}
// Specify the values of each argument.
unsigned int arg1 = 42;
float arg2 = 5.1;
arg_values[0] = &arg1;
arg_values[1] = &arg2;
// Invoke the function.
ffi_call(&cif, FFI_FN(foo), &result, arg_values);
// The ffi_arg 'result' now contains the unsigned char returned from foo(),
// which can be accessed by a typecast.
printf("result is %hhu", (unsigned char)result);
return 0;
}
// The target function.
unsigned char
foo(unsigned int x, float y)
{
unsigned char result = x - y;
return result;
}
.Ed
.Sh SEE ALSO
.Xr ffi 3 ,
.Xr ffi_prep_cif 3
man/ffi_prep_cif.3
+68
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.Dd February 15, 2008
.Dt ffi_prep_cif 3
.Sh NAME
.Nm ffi_prep_cif
.Nd Prepare a
.Nm ffi_cif
structure for use with
.Nm ffi_call
.
.Sh SYNOPSIS
.In ffi.h
.Ft ffi_status
.Fo ffi_prep_cif
.Fa "ffi_cif *cif"
.Fa "ffi_abi abi"
.Fa "unsigned int nargs"
.Fa "ffi_type *rtype"
.Fa "ffi_type **atypes"
.Fc
.Sh DESCRIPTION
The
.Nm ffi_prep_cif
function prepares a
.Nm ffi_cif
structure for use with
.Nm ffi_call
.
.Fa abi
specifies a set of calling conventions to use.
.Fa atypes
is an array of
.Fa nargs
pointers to
.Nm ffi_type
structs that describe the data type, size and alignment of each argument.
.Fa rtype
points to an
.Nm ffi_type
that describes the data type, size and alignment of the
return value. Note that to call a variadic function
.Nm ffi_prep_cif_var
must be used instead.
.Sh RETURN VALUES
Upon successful completion,
.Nm ffi_prep_cif
returns
.Nm FFI_OK .
It will return
.Nm FFI_BAD_TYPEDEF
if
.Fa cif
is
.Nm NULL
or
.Fa atypes
or
.Fa rtype
is malformed. If
.Fa abi
does not refer to a valid ABI,
.Nm FFI_BAD_ABI
will be returned. Available ABIs are
defined in
.Nm <ffitarget.h> .
.Sh SEE ALSO
.Xr ffi 3 ,
.Xr ffi_call 3 ,
.Xr ffi_prep_cif_var 3
man/ffi_prep_cif_var.3
+73
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@@ -0,0 +1,73 @@
.Dd January 25, 2011
.Dt ffi_prep_cif_var 3
.Sh NAME
.Nm ffi_prep_cif_var
.Nd Prepare a
.Nm ffi_cif
structure for use with
.Nm ffi_call
for variadic functions.
.Sh SYNOPSIS
.In ffi.h
.Ft ffi_status
.Fo ffi_prep_cif_var
.Fa "ffi_cif *cif"
.Fa "ffi_abi abi"
.Fa "unsigned int nfixedargs"
.Fa "unsigned int ntotalargs"
.Fa "ffi_type *rtype"
.Fa "ffi_type **atypes"
.Fc
.Sh DESCRIPTION
The
.Nm ffi_prep_cif_var
function prepares a
.Nm ffi_cif
structure for use with
.Nm ffi_call
for variadic functions.
.Fa abi
specifies a set of calling conventions to use.
.Fa atypes
is an array of
.Fa ntotalargs
pointers to
.Nm ffi_type
structs that describe the data type, size and alignment of each argument.
.Fa rtype
points to an
.Nm ffi_type
that describes the data type, size and alignment of the
return value.
.Fa nfixedargs
must contain the number of fixed (non-variadic) arguments.
Note that to call a non-variadic function
.Nm ffi_prep_cif
must be used.
.Sh RETURN VALUES
Upon successful completion,
.Nm ffi_prep_cif_var
returns
.Nm FFI_OK .
It will return
.Nm FFI_BAD_TYPEDEF
if
.Fa cif
is
.Nm NULL
or
.Fa atypes
or
.Fa rtype
is malformed. If
.Fa abi
does not refer to a valid ABI,
.Nm FFI_BAD_ABI
will be returned. Available ABIs are
defined in
.Nm <ffitarget.h>
.
.Sh SEE ALSO
.Xr ffi 3 ,
.Xr ffi_call 3 ,
.Xr ffi_prep_cif 3
missing
Executable
+215
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# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
# As a special exception to the GNU General Public License, if you
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case $1 in
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echo "You may want to install the GNU Help2man package:"
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echo "any other file indirectly affecting the aspect of the manual."
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;;
*)
echo "You might have modified some files without having the proper"
echo "tools for further handling them. Check the 'README' file, it"
echo "often tells you about the needed prerequisites for installing"
echo "this package. You may also peek at any GNU archive site, in"
echo "case some other package contains this missing '$1' program."
;;
esac
}
give_advice "$1" | sed -e '1s/^/WARNING: /' \
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</ClInclude>
<ClInclude Include="..\include\ffitarget.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="..\include\internal.h">
<Filter>Header Files</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<ClCompile Include="src\closures.c">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="src\dlmalloc.c">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="src\ffi.c">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="src\prep_cif.c">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="src\types.c">
<Filter>Source Files</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<CustomBuild Include="src\win64_armasm.S" />
</ItemGroup>
</Project>
msvc_build/aarch64/Ffi_staticLib.vcxproj.user
+4
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<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<PropertyGroup />
</Project>
msvc_build/aarch64/aarch64_include/ffi.h
+511
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@@ -0,0 +1,511 @@
/* -----------------------------------------------------------------*-C-*-
libffi 3.3-rc0 - Copyright (c) 2011, 2014 Anthony Green
- Copyright (c) 1996-2003, 2007, 2008 Red Hat, Inc.
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation
files (the ``Software''), to deal in the Software without
restriction, including without limitation the rights to use, copy,
modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------- */
/* -------------------------------------------------------------------
Most of the API is documented in doc/libffi.texi.
The raw API is designed to bypass some of the argument packing and
unpacking on architectures for which it can be avoided. Routines
are provided to emulate the raw API if the underlying platform
doesn't allow faster implementation.
More details on the raw API can be found in:
http://gcc.gnu.org/ml/java/1999-q3/msg00138.html
and
http://gcc.gnu.org/ml/java/1999-q3/msg00174.html
-------------------------------------------------------------------- */
#ifndef LIBFFI_H
#define LIBFFI_H
#ifdef __cplusplus
extern "C" {
#endif
/* Specify which architecture libffi is configured for. */
#ifndef AARCH64
#define AARCH64
#endif
/* ---- System configuration information --------------------------------- */
#include <ffitarget.h>
#ifndef LIBFFI_ASM
#if defined(_MSC_VER) && !defined(__clang__)
#define __attribute__(X)
#endif
#include <stddef.h>
#include <limits.h>
/* LONG_LONG_MAX is not always defined (not if STRICT_ANSI, for example).
But we can find it either under the correct ANSI name, or under GNU
C's internal name. */
#define FFI_64_BIT_MAX 9223372036854775807
#ifdef LONG_LONG_MAX
# define FFI_LONG_LONG_MAX LONG_LONG_MAX
#else
# ifdef LLONG_MAX
# define FFI_LONG_LONG_MAX LLONG_MAX
# ifdef _AIX52 /* or newer has C99 LLONG_MAX */
# undef FFI_64_BIT_MAX
# define FFI_64_BIT_MAX 9223372036854775807LL
# endif /* _AIX52 or newer */
# else
# ifdef __GNUC__
# define FFI_LONG_LONG_MAX __LONG_LONG_MAX__
# endif
# ifdef _AIX /* AIX 5.1 and earlier have LONGLONG_MAX */
# ifndef __PPC64__
# if defined (__IBMC__) || defined (__IBMCPP__)
# define FFI_LONG_LONG_MAX LONGLONG_MAX
# endif
# endif /* __PPC64__ */
# undef FFI_64_BIT_MAX
# define FFI_64_BIT_MAX 9223372036854775807LL
# endif
# endif
#endif
/* The closure code assumes that this works on pointers, i.e. a size_t
can hold a pointer. */
typedef struct _ffi_type
{
size_t size;
unsigned short alignment;
unsigned short type;
struct _ffi_type **elements;
} ffi_type;
/* Need minimal decorations for DLLs to work on Windows. GCC has
autoimport and autoexport. Always mark externally visible symbols
as dllimport for MSVC clients, even if it means an extra indirection
when using the static version of the library.
Besides, as a workaround, they can define FFI_BUILDING if they
*know* they are going to link with the static library. */
#if defined _MSC_VER
# if defined FFI_BUILDING_DLL /* Building libffi.DLL with msvcc.sh */
# define FFI_API __declspec(dllexport)
# elif !defined FFI_BUILDING /* Importing libffi.DLL */
# define FFI_API __declspec(dllimport)
# else /* Building/linking static library */
# define FFI_API
# endif
#else
# define FFI_API
#endif
/* The externally visible type declarations also need the MSVC DLL
decorations, or they will not be exported from the object file. */
#if defined LIBFFI_HIDE_BASIC_TYPES
# define FFI_EXTERN FFI_API
#else
# define FFI_EXTERN extern FFI_API
#endif
#ifndef LIBFFI_HIDE_BASIC_TYPES
#if SCHAR_MAX == 127
# define ffi_type_uchar ffi_type_uint8
# define ffi_type_schar ffi_type_sint8
#else
#error "char size not supported"
#endif
#if SHRT_MAX == 32767
# define ffi_type_ushort ffi_type_uint16
# define ffi_type_sshort ffi_type_sint16
#elif SHRT_MAX == 2147483647
# define ffi_type_ushort ffi_type_uint32
# define ffi_type_sshort ffi_type_sint32
#else
#error "short size not supported"
#endif
#if INT_MAX == 32767
# define ffi_type_uint ffi_type_uint16
# define ffi_type_sint ffi_type_sint16
#elif INT_MAX == 2147483647
# define ffi_type_uint ffi_type_uint32
# define ffi_type_sint ffi_type_sint32
#elif INT_MAX == 9223372036854775807
# define ffi_type_uint ffi_type_uint64
# define ffi_type_sint ffi_type_sint64
#else
#error "int size not supported"
#endif
#if LONG_MAX == 2147483647
# if FFI_LONG_LONG_MAX != FFI_64_BIT_MAX
#error "no 64-bit data type supported"
# endif
#elif LONG_MAX != FFI_64_BIT_MAX
#error "long size not supported"
#endif
#if LONG_MAX == 2147483647
# define ffi_type_ulong ffi_type_uint32
# define ffi_type_slong ffi_type_sint32
#elif LONG_MAX == FFI_64_BIT_MAX
# define ffi_type_ulong ffi_type_uint64
# define ffi_type_slong ffi_type_sint64
#else
#error "long size not supported"
#endif
/* These are defined in types.c. */
FFI_EXTERN ffi_type ffi_type_void;
FFI_EXTERN ffi_type ffi_type_uint8;
FFI_EXTERN ffi_type ffi_type_sint8;
FFI_EXTERN ffi_type ffi_type_uint16;
FFI_EXTERN ffi_type ffi_type_sint16;
FFI_EXTERN ffi_type ffi_type_uint32;
FFI_EXTERN ffi_type ffi_type_sint32;
FFI_EXTERN ffi_type ffi_type_uint64;
FFI_EXTERN ffi_type ffi_type_sint64;
FFI_EXTERN ffi_type ffi_type_float;
FFI_EXTERN ffi_type ffi_type_double;
FFI_EXTERN ffi_type ffi_type_pointer;
#ifndef _M_ARM64
FFI_EXTERN ffi_type ffi_type_longdouble;
#else
#define ffi_type_longdouble ffi_type_double
#endif
#ifdef FFI_TARGET_HAS_COMPLEX_TYPE
FFI_EXTERN ffi_type ffi_type_complex_float;
FFI_EXTERN ffi_type ffi_type_complex_double;
#if 1
FFI_EXTERN ffi_type ffi_type_complex_longdouble;
#else
#define ffi_type_complex_longdouble ffi_type_complex_double
#endif
#endif
#endif /* LIBFFI_HIDE_BASIC_TYPES */
typedef enum {
FFI_OK = 0,
FFI_BAD_TYPEDEF,
FFI_BAD_ABI
} ffi_status;
typedef struct {
ffi_abi abi;
unsigned nargs;
ffi_type **arg_types;
ffi_type *rtype;
unsigned bytes;
unsigned flags;
#ifdef FFI_EXTRA_CIF_FIELDS
FFI_EXTRA_CIF_FIELDS;
#endif
} ffi_cif;
/* ---- Definitions for the raw API -------------------------------------- */
#ifndef FFI_SIZEOF_ARG
# if LONG_MAX == 2147483647
# define FFI_SIZEOF_ARG 4
# elif LONG_MAX == FFI_64_BIT_MAX
# define FFI_SIZEOF_ARG 8
# endif
#endif
#ifndef FFI_SIZEOF_JAVA_RAW
# define FFI_SIZEOF_JAVA_RAW FFI_SIZEOF_ARG
#endif
typedef union {
ffi_sarg sint;
ffi_arg uint;
float flt;
char data[FFI_SIZEOF_ARG];
void* ptr;
} ffi_raw;
#if FFI_SIZEOF_JAVA_RAW == 4 && FFI_SIZEOF_ARG == 8
/* This is a special case for mips64/n32 ABI (and perhaps others) where
sizeof(void *) is 4 and FFI_SIZEOF_ARG is 8. */
typedef union {
signed int sint;
unsigned int uint;
float flt;
char data[FFI_SIZEOF_JAVA_RAW];
void* ptr;
} ffi_java_raw;
#else
typedef ffi_raw ffi_java_raw;
#endif
FFI_API
void ffi_raw_call (ffi_cif *cif,
void (*fn)(void),
void *rvalue,
ffi_raw *avalue);
FFI_API void ffi_ptrarray_to_raw (ffi_cif *cif, void **args, ffi_raw *raw);
FFI_API void ffi_raw_to_ptrarray (ffi_cif *cif, ffi_raw *raw, void **args);
FFI_API size_t ffi_raw_size (ffi_cif *cif);
/* This is analogous to the raw API, except it uses Java parameter
packing, even on 64-bit machines. I.e. on 64-bit machines longs
and doubles are followed by an empty 64-bit word. */
FFI_API
void ffi_java_raw_call (ffi_cif *cif,
void (*fn)(void),
void *rvalue,
ffi_java_raw *avalue);
FFI_API
void ffi_java_ptrarray_to_raw (ffi_cif *cif, void **args, ffi_java_raw *raw);
FFI_API
void ffi_java_raw_to_ptrarray (ffi_cif *cif, ffi_java_raw *raw, void **args);
FFI_API
size_t ffi_java_raw_size (ffi_cif *cif);
/* ---- Definitions for closures ----------------------------------------- */
#if FFI_CLOSURES
#ifdef _MSC_VER
__declspec(align(8))
#endif
typedef struct {
#if 0
void *trampoline_table;
void *trampoline_table_entry;
#else
char tramp[FFI_TRAMPOLINE_SIZE];
#endif
ffi_cif *cif;
void (*fun)(ffi_cif*,void*,void**,void*);
void *user_data;
} ffi_closure
#ifdef __GNUC__
__attribute__((aligned (8)))
#endif
;
#ifndef __GNUC__
# ifdef __sgi
# pragma pack 0
# endif
#endif
FFI_API void *ffi_closure_alloc (size_t size, void **code);
FFI_API void ffi_closure_free (void *);
FFI_API ffi_status
ffi_prep_closure (ffi_closure*,
ffi_cif *,
void (*fun)(ffi_cif*,void*,void**,void*),
void *user_data)
#if defined(__GNUC__) && (((__GNUC__ * 100) + __GNUC_MINOR__) >= 405)
__attribute__((deprecated ("use ffi_prep_closure_loc instead")))
#elif defined(__GNUC__) && __GNUC__ >= 3
__attribute__((deprecated))
#endif
;
FFI_API ffi_status
ffi_prep_closure_loc (ffi_closure*,
ffi_cif *,
void (*fun)(ffi_cif*,void*,void**,void*),
void *user_data,
void*codeloc);
#ifdef __sgi
# pragma pack 8
#endif
typedef struct {
#if 0
void *trampoline_table;
void *trampoline_table_entry;
#else
char tramp[FFI_TRAMPOLINE_SIZE];
#endif
ffi_cif *cif;
#if !FFI_NATIVE_RAW_API
/* If this is enabled, then a raw closure has the same layout
as a regular closure. We use this to install an intermediate
handler to do the transaltion, void** -> ffi_raw*. */
void (*translate_args)(ffi_cif*,void*,void**,void*);
void *this_closure;
#endif
void (*fun)(ffi_cif*,void*,ffi_raw*,void*);
void *user_data;
} ffi_raw_closure;
typedef struct {
#if 0
void *trampoline_table;
void *trampoline_table_entry;
#else
char tramp[FFI_TRAMPOLINE_SIZE];
#endif
ffi_cif *cif;
#if !FFI_NATIVE_RAW_API
/* If this is enabled, then a raw closure has the same layout
as a regular closure. We use this to install an intermediate
handler to do the translation, void** -> ffi_raw*. */
void (*translate_args)(ffi_cif*,void*,void**,void*);
void *this_closure;
#endif
void (*fun)(ffi_cif*,void*,ffi_java_raw*,void*);
void *user_data;
} ffi_java_raw_closure;
FFI_API ffi_status
ffi_prep_raw_closure (ffi_raw_closure*,
ffi_cif *cif,
void (*fun)(ffi_cif*,void*,ffi_raw*,void*),
void *user_data);
FFI_API ffi_status
ffi_prep_raw_closure_loc (ffi_raw_closure*,
ffi_cif *cif,
void (*fun)(ffi_cif*,void*,ffi_raw*,void*),
void *user_data,
void *codeloc);
FFI_API ffi_status
ffi_prep_java_raw_closure (ffi_java_raw_closure*,
ffi_cif *cif,
void (*fun)(ffi_cif*,void*,ffi_java_raw*,void*),
void *user_data);
FFI_API ffi_status
ffi_prep_java_raw_closure_loc (ffi_java_raw_closure*,
ffi_cif *cif,
void (*fun)(ffi_cif*,void*,ffi_java_raw*,void*),
void *user_data,
void *codeloc);
#endif /* FFI_CLOSURES */
#if FFI_GO_CLOSURES
typedef struct {
void *tramp;
ffi_cif *cif;
void (*fun)(ffi_cif*,void*,void**,void*);
} ffi_go_closure;
FFI_API ffi_status ffi_prep_go_closure (ffi_go_closure*, ffi_cif *,
void (*fun)(ffi_cif*,void*,void**,void*));
FFI_API void ffi_call_go (ffi_cif *cif, void (*fn)(void), void *rvalue,
void **avalue, void *closure);
#endif /* FFI_GO_CLOSURES */
/* ---- Public interface definition -------------------------------------- */
FFI_API
ffi_status ffi_prep_cif(ffi_cif *cif,
ffi_abi abi,
unsigned int nargs,
ffi_type *rtype,
ffi_type **atypes);
FFI_API
ffi_status ffi_prep_cif_var(ffi_cif *cif,
ffi_abi abi,
unsigned int nfixedargs,
unsigned int ntotalargs,
ffi_type *rtype,
ffi_type **atypes);
FFI_API
void ffi_call(ffi_cif *cif,
void (*fn)(void),
void *rvalue,
void **avalue);
FFI_API
ffi_status ffi_get_struct_offsets (ffi_abi abi, ffi_type *struct_type,
size_t *offsets);
/* Useful for eliminating compiler warnings. */
#define FFI_FN(f) ((void (*)(void))f)
/* ---- Definitions shared with assembly code ---------------------------- */
#endif
/* If these change, update src/mips/ffitarget.h. */
#define FFI_TYPE_VOID 0
#define FFI_TYPE_INT 1
#define FFI_TYPE_FLOAT 2
#define FFI_TYPE_DOUBLE 3
#ifndef _M_ARM64
#define FFI_TYPE_LONGDOUBLE 4
#else
#define FFI_TYPE_LONGDOUBLE FFI_TYPE_DOUBLE
#endif
#define FFI_TYPE_UINT8 5
#define FFI_TYPE_SINT8 6
#define FFI_TYPE_UINT16 7
#define FFI_TYPE_SINT16 8
#define FFI_TYPE_UINT32 9
#define FFI_TYPE_SINT32 10
#define FFI_TYPE_UINT64 11
#define FFI_TYPE_SINT64 12
#define FFI_TYPE_STRUCT 13
#define FFI_TYPE_POINTER 14
#define FFI_TYPE_COMPLEX 15
/* This should always refer to the last type code (for sanity checks). */
#define FFI_TYPE_LAST FFI_TYPE_COMPLEX
#ifdef __cplusplus
}
#endif
#endif
msvc_build/aarch64/aarch64_include/fficonfig.h
+219
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@@ -0,0 +1,219 @@
/* fficonfig.h. Generated from fficonfig.h.in by configure. */
/* fficonfig.h.in. Generated from configure.ac by autoheader. */
/* Define if building universal (internal helper macro) */
/* #undef AC_APPLE_UNIVERSAL_BUILD */
/* Define to one of `_getb67', `GETB67', `getb67' for Cray-2 and Cray-YMP
systems. This function is required for `alloca.c' support on those systems.
*/
/* #undef CRAY_STACKSEG_END */
/* Define to 1 if using `alloca.c'. */
/* #undef C_ALLOCA */
/* Define to the flags needed for the .section .eh_frame directive. */
#define EH_FRAME_FLAGS "a"
/* Define this if you want extra debugging. */
/* #undef FFI_DEBUG */
/* Cannot use PROT_EXEC on this target, so, we revert to alternative means */
/* #undef FFI_EXEC_TRAMPOLINE_TABLE */
/* Define this if you want to enable pax emulated trampolines */
/* #undef FFI_MMAP_EXEC_EMUTRAMP_PAX */
/* Cannot use malloc on this target, so, we revert to alternative means */
/* #undef FFI_MMAP_EXEC_WRIT */
/* Define this if you do not want support for the raw API. */
/* #undef FFI_NO_RAW_API */
/* Define this if you do not want support for aggregate types. */
/* #undef FFI_NO_STRUCTS */
/* Define to 1 if you have `alloca', as a function or macro. */
#define HAVE_ALLOCA 1
/* Define to 1 if you have <alloca.h> and it should be used (not on Ultrix).
*/
/*#define HAVE_ALLOCA_H 1 */
/* Define if your assembler supports .cfi_* directives. */
#define HAVE_AS_CFI_PSEUDO_OP 1
/* Define if your assembler supports .register. */
/* #undef HAVE_AS_REGISTER_PSEUDO_OP */
/* Define if the compiler uses zarch features. */
/* #undef HAVE_AS_S390_ZARCH */
/* Define if your assembler and linker support unaligned PC relative relocs.
*/
/* #undef HAVE_AS_SPARC_UA_PCREL */
/* Define if your assembler supports unwind section type. */
/* #undef HAVE_AS_X86_64_UNWIND_SECTION_TYPE */
/* Define if your assembler supports PC relative relocs. */
/* #undef HAVE_AS_X86_PCREL */
/* Define to 1 if you have the <dlfcn.h> header file. */
#define HAVE_DLFCN_H 1
/* Define if __attribute__((visibility("hidden"))) is supported. */
#define HAVE_HIDDEN_VISIBILITY_ATTRIBUTE 1
/* Define to 1 if you have the <inttypes.h> header file. */
#define HAVE_INTTYPES_H 1
/* Define if you have the long double type and it is bigger than a double */
#define HAVE_LONG_DOUBLE 1
/* Define if you support more than one size of the long double type */
/* #undef HAVE_LONG_DOUBLE_VARIANT */
/* Define to 1 if you have the `memcpy' function. */
#define HAVE_MEMCPY 1
/* Define to 1 if you have the <memory.h> header file. */
#define HAVE_MEMORY_H 1
/* Define to 1 if you have the `mkostemp' function. */
#define HAVE_MKOSTEMP 1
/* Define to 1 if you have the `mmap' function. */
#define HAVE_MMAP 1
/* Define if mmap with MAP_ANON(YMOUS) works. */
#define HAVE_MMAP_ANON 1
/* Define if mmap of /dev/zero works. */
#define HAVE_MMAP_DEV_ZERO 1
/* Define if read-only mmap of a plain file works. */
#define HAVE_MMAP_FILE 1
/* Define if .eh_frame sections should be read-only. */
#define HAVE_RO_EH_FRAME 1
/* Define to 1 if you have the <stdint.h> header file. */
#define HAVE_STDINT_H 1
/* Define to 1 if you have the <stdlib.h> header file. */
//#define HAVE_STDLIB_H 0
#define LACKS_STDLIB_H 1
/* Define to 1 if you have the <strings.h> header file. */
#define HAVE_STRINGS_H 1
/* Define to 1 if you have the <string.h> header file. */
#define HAVE_STRING_H 1
/* Define to 1 if you have the <sys/mman.h> header file. */
#define HAVE_SYS_MMAN_H 1
/* Define to 1 if you have the <sys/stat.h> header file. */
#define HAVE_SYS_STAT_H 1
/* Define to 1 if you have the <sys/types.h> header file. */
#define HAVE_SYS_TYPES_H 1
/* Define to 1 if you have the <unistd.h> header file. */
#define HAVE_UNISTD_H 1
/* Define to 1 if GNU symbol versioning is used for libatomic. */
#define LIBFFI_GNU_SYMBOL_VERSIONING 1
/* Define to the sub-directory in which libtool stores uninstalled libraries.
*/
#define LT_OBJDIR ".libs/"
/* Define to 1 if your C compiler doesn't accept -c and -o together. */
/* #undef NO_MINUS_C_MINUS_O */
/* Name of package */
#define PACKAGE "libffi"
/* Define to the address where bug reports for this package should be sent. */
#define PACKAGE_BUGREPORT "http://github.com/libffi/libffi/issues"
/* Define to the full name of this package. */
#define PACKAGE_NAME "libffi"
/* Define to the full name and version of this package. */
#define PACKAGE_STRING "libffi 3.3-rc0"
/* Define to the one symbol short name of this package. */
#define PACKAGE_TARNAME "libffi"
/* Define to the home page for this package. */
#define PACKAGE_URL ""
/* Define to the version of this package. */
#define PACKAGE_VERSION "3.3-rc0"
/* The size of `double', as computed by sizeof. */
#define SIZEOF_DOUBLE 8
/* The size of `long double', as computed by sizeof. */
#define SIZEOF_LONG_DOUBLE 8
/* The size of `size_t', as computed by sizeof. */
#define SIZEOF_SIZE_T 8
/* If using the C implementation of alloca, define if you know the
direction of stack growth for your system; otherwise it will be
automatically deduced at runtime.
STACK_DIRECTION > 0 => grows toward higher addresses
STACK_DIRECTION < 0 => grows toward lower addresses
STACK_DIRECTION = 0 => direction of growth unknown */
/* #undef STACK_DIRECTION */
/* Define to 1 if you have the ANSI C header files. */
#define STDC_HEADERS 1
/* Define if symbols are underscored. */
/* #undef SYMBOL_UNDERSCORE */
/* Define this if you are using Purify and want to suppress spurious messages.
*/
/* #undef USING_PURIFY */
/* Version number of package */
#define VERSION "3.3-rc0"
/* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most
significant byte first (like Motorola and SPARC, unlike Intel). */
#if defined AC_APPLE_UNIVERSAL_BUILD
# if defined __BIG_ENDIAN__
# define WORDS_BIGENDIAN 1
# endif
#else
# ifndef WORDS_BIGENDIAN
/* # undef WORDS_BIGENDIAN */
# endif
#endif
/* Define to `unsigned int' if <sys/types.h> does not define. */
/* #undef size_t */
#ifdef HAVE_HIDDEN_VISIBILITY_ATTRIBUTE
#ifdef LIBFFI_ASM
#ifdef __APPLE__
#define FFI_HIDDEN(name) .private_extern name
#else
#define FFI_HIDDEN(name) .hidden name
#endif
#else
#define FFI_HIDDEN __attribute__ ((visibility ("hidden")))
#endif
#else
#ifdef LIBFFI_ASM
#define FFI_HIDDEN(name)
#else
#define FFI_HIDDEN
#endif
#endif
msvcc.sh
Executable
+353
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@@ -0,0 +1,353 @@
#!/bin/sh
# ***** BEGIN LICENSE BLOCK *****
# Version: MPL 1.1/GPL 2.0/LGPL 2.1
#
# The contents of this file are subject to the Mozilla Public License Version
# 1.1 (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
# http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
# for the specific language governing rights and limitations under the
# License.
#
# The Original Code is the MSVC wrappificator.
#
# The Initial Developer of the Original Code is
# Timothy Wall <twalljava@dev.java.net>.
# Portions created by the Initial Developer are Copyright (C) 2009
# the Initial Developer. All Rights Reserved.
#
# Contributor(s):
# Daniel Witte <dwitte@mozilla.com>
#
# Alternatively, the contents of this file may be used under the terms of
# either the GNU General Public License Version 2 or later (the "GPL"), or
# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
# in which case the provisions of the GPL or the LGPL are applicable instead
# of those above. If you wish to allow use of your version of this file only
# under the terms of either the GPL or the LGPL, and not to allow others to
# use your version of this file under the terms of the MPL, indicate your
# decision by deleting the provisions above and replace them with the notice
# and other provisions required by the GPL or the LGPL. If you do not delete
# the provisions above, a recipient may use your version of this file under
# the terms of any one of the MPL, the GPL or the LGPL.
#
# ***** END LICENSE BLOCK *****
#
# GCC-compatible wrapper for cl.exe and ml.exe. Arguments are given in GCC
# format and translated into something sensible for cl or ml.
#
args_orig=$@
args="-nologo -W3"
linkargs=
static_crt=
debug_crt=
cl="cl"
ml="ml"
safeseh="-safeseh"
output=
libpaths=
libversion=7
verbose=
while [ $# -gt 0 ]
do
case $1
in
--verbose)
verbose=1
shift 1
;;
--version)
args="-help"
shift 1
;;
-fexceptions)
# Don't enable exceptions for now.
#args="$args -EHac"
shift 1
;;
-m32)
shift 1
;;
-m64)
ml="ml64" # "$MSVC/x86_amd64/ml64"
safeseh=
shift 1
;;
-marm)
ml='armasm'
safeseh=
shift 1
;;
-marm64)
ml='armasm64'
safeseh=
shift 1
;;
-clang-cl)
cl="clang-cl"
shift 1
;;
-O0)
args="$args -Od"
shift 1
;;
-O*)
# Runtime error checks (enabled by setting -RTC1 in the -DFFI_DEBUG
# case below) are not compatible with optimization flags and will
# cause the build to fail. Therefore, drop the optimization flag if
# -DFFI_DEBUG is also set.
case $args_orig in
*-DFFI_DEBUG*)
args="$args"
;;
*)
# The ax_cc_maxopt.m4 macro from the upstream autoconf-archive
# project doesn't support MSVC and therefore ends up trying to
# use -O3. Use the equivalent "max optimization" flag for MSVC
# instead of erroring out.
case $1 in
-O3)
args="$args -O2"
;;
*)
args="$args $1"
;;
esac
opt="true"
;;
esac
shift 1
;;
-g)
# Enable debug symbol generation.
args="$args -Zi"
shift 1
;;
-DFFI_DEBUG)
# Enable runtime error checks.
args="$args -RTC1"
defines="$defines $1"
shift 1
;;
-DUSE_STATIC_RTL)
# Link against static CRT.
static_crt=1
shift 1
;;
-DUSE_DEBUG_RTL)
# Link against debug CRT.
debug_crt=1
shift 1
;;
-c)
args="$args -c"
args="$(echo $args | sed 's%/Fe%/Fo%g')"
single="-c"
shift 1
;;
-D*=*)
name="$(echo $1|sed 's/-D\([^=][^=]*\)=.*/\1/g')"
value="$(echo $1|sed 's/-D[^=][^=]*=//g')"
args="$args -D${name}='$value'"
defines="$defines -D${name}='$value'"
shift 1
;;
-D*)
args="$args $1"
defines="$defines $1"
shift 1
;;
-I)
p=$(cygpath -m $2)
args="$args -I$p"
includes="$includes -I$p"
shift 2
;;
-I*)
p=$(cygpath -m ${1#-I})
args="$args -I$p"
includes="$includes -I$p"
shift 1
;;
-L)
p=$(cygpath -m $2)
linkargs="$linkargs -LIBPATH:$p"
shift 2
;;
-L*)
p=$(cygpath -m ${1#-L})
linkargs="$linkargs -LIBPATH:$p"
shift 1
;;
-link)
# add next argument verbatim to linker args
linkargs="$linkargs $2"
shift 2
;;
-l*)
case $1
in
-lffi)
linkargs="$linkargs lib${1#-l}-${libversion}.lib"
;;
*)
# ignore other libraries like -lm, hope they are
# covered by MSVCRT
# linkargs="$linkargs ${1#-l}.lib"
;;
esac
shift 1
;;
-W|-Wextra)
# TODO map extra warnings
shift 1
;;
-Wall)
# -Wall on MSVC is overzealous, and we already build with -W3. Nothing
# to do here.
shift 1
;;
-pedantic)
# libffi tests -pedantic with -Wall, so drop it also.
shift 1
;;
-warn)
# ignore -warn all from libtool as well.
if test "$2" = "all"; then
shift 2
else
args="$args -warn"
shift 1
fi
;;
-Werror)
args="$args -WX"
shift 1
;;
-W*)
# TODO map specific warnings
shift 1
;;
-S)
args="$args -FAs"
shift 1
;;
-o)
outdir="$(dirname $2)"
base="$(basename $2|sed 's/\.[^.]*//g')"
if [ -n "$single" ]; then
output="-Fo$2"
else
output="-Fe$2"
fi
armasm_output="-o $2"
if [ -n "$assembly" ]; then
args="$args $output"
else
args="$args $output -Fd$outdir/$base -Fp$outdir/$base -Fa$outdir/$base"
fi
shift 2
;;
*.S)
src=$1
assembly="true"
shift 1
;;
*.c)
args="$args $1"
shift 1
;;
*)
# Assume it's an MSVC argument, and pass it through.
args="$args $1"
shift 1
;;
esac
done
if [ -n "$linkargs" ]; then
# If -Zi is specified, certain optimizations are implicitly disabled
# by MSVC. Add back those optimizations if this is an optimized build.
# NOTE: These arguments must come after all others.
if [ -n "$opt" ]; then
linkargs="$linkargs -OPT:REF -OPT:ICF -INCREMENTAL:NO"
fi
args="$args -link $linkargs"
fi
if [ -n "$static_crt" ]; then
md=-MT
else
md=-MD
fi
if [ -n "$debug_crt" ]; then
md="${md}d"
fi
if [ -n "$assembly" ]; then
if [ -z "$outdir" ]; then
outdir="."
fi
ppsrc="$outdir/$(basename $src|sed 's/.S$/.asm/g')"
if [ $ml = "armasm" ]; then
defines="$defines -D_M_ARM"
fi
if [ $ml = "armasm64" ]; then
defines="$defines -D_M_ARM64"
fi
if test -n "$verbose"; then
echo "$cl -nologo -EP $includes $defines $src > $ppsrc"
fi
"$cl" -nologo -EP $includes $defines $src > $ppsrc || exit $?
output="$(echo $output | sed 's%/F[dpa][^ ]*%%g')"
if [ $ml = "armasm" ]; then
args="-nologo -g -oldit $armasm_output $ppsrc -errorReport:prompt"
elif [ $ml = "armasm64" ]; then
args="-nologo -g $armasm_output $ppsrc -errorReport:prompt"
else
args="-nologo $safeseh $single $output $ppsrc"
fi
if test -n "$verbose"; then
echo "$ml $args"
fi
eval "\"$ml\" $args"
result=$?
# required to fix ml64 broken output?
#mv *.obj $outdir
else
args="$md $args"
if test -n "$verbose"; then
echo "$cl $args"
fi
# Return an error code of 1 if an invalid command line parameter is passed
# instead of just ignoring it. Any output that is not a warning or an
# error is filtered so this command behaves more like gcc. cl.exe prints
# the name of the compiled file otherwise, which breaks the dejagnu checks
# for excess warnings and errors.
eval "(\"$cl\" $args 2>&1 1>&3 | \
awk '{print \$0} /D9002/ {error=1} END{exit error}' >&2) 3>&1 | \
awk '/warning|error/'"
result=$?
fi
exit $result
# vim: noai:ts=4:sw=4
src/aarch64/ffi.c
+1009
View File
File diff suppressed because it is too large Load Diff
src/aarch64/ffitarget.h
+92
View File
@@ -0,0 +1,92 @@
/* Copyright (c) 2009, 2010, 2011, 2012 ARM Ltd.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
``Software''), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#ifndef LIBFFI_TARGET_H
#define LIBFFI_TARGET_H
#ifndef LIBFFI_H
#error "Please do not include ffitarget.h directly into your source. Use ffi.h instead."
#endif
#ifndef LIBFFI_ASM
#ifdef __ILP32__
#define FFI_SIZEOF_ARG 8
#define FFI_SIZEOF_JAVA_RAW 4
typedef unsigned long long ffi_arg;
typedef signed long long ffi_sarg;
#elif defined(_M_ARM64)
#define FFI_SIZEOF_ARG 8
typedef unsigned long long ffi_arg;
typedef signed long long ffi_sarg;
#else
typedef unsigned long ffi_arg;
typedef signed long ffi_sarg;
#endif
typedef enum ffi_abi
{
FFI_FIRST_ABI = 0,
FFI_SYSV,
FFI_LAST_ABI,
FFI_DEFAULT_ABI = FFI_SYSV
} ffi_abi;
#endif
/* ---- Definitions for closures ----------------------------------------- */
#define FFI_CLOSURES 1
#define FFI_NATIVE_RAW_API 0
#if defined (FFI_EXEC_TRAMPOLINE_TABLE) && FFI_EXEC_TRAMPOLINE_TABLE
#ifdef __MACH__
#define FFI_TRAMPOLINE_SIZE 16
#define FFI_TRAMPOLINE_CLOSURE_OFFSET 16
#else
#error "No trampoline table implementation"
#endif
#else
#define FFI_TRAMPOLINE_SIZE 24
#define FFI_TRAMPOLINE_CLOSURE_OFFSET FFI_TRAMPOLINE_SIZE
#endif
#ifdef _M_ARM64
#define FFI_EXTRA_CIF_FIELDS unsigned is_variadic
#endif
/* ---- Internal ---- */
#if defined (__APPLE__)
#define FFI_TARGET_SPECIFIC_VARIADIC
#define FFI_EXTRA_CIF_FIELDS unsigned aarch64_nfixedargs
#elif !defined(_M_ARM64)
/* iOS and Windows reserve x18 for the system. Disable Go closures until
a new static chain is chosen. */
#define FFI_GO_CLOSURES 1
#endif
#ifndef _M_ARM64
/* No complex type on Windows */
#define FFI_TARGET_HAS_COMPLEX_TYPE
#endif
#endif
src/aarch64/internal.h
+67
View File
@@ -0,0 +1,67 @@
/*
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
``Software''), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#define AARCH64_RET_VOID 0
#define AARCH64_RET_INT64 1
#define AARCH64_RET_INT128 2
#define AARCH64_RET_UNUSED3 3
#define AARCH64_RET_UNUSED4 4
#define AARCH64_RET_UNUSED5 5
#define AARCH64_RET_UNUSED6 6
#define AARCH64_RET_UNUSED7 7
/* Note that FFI_TYPE_FLOAT == 2, _DOUBLE == 3, _LONGDOUBLE == 4,
so _S4 through _Q1 are layed out as (TYPE * 4) + (4 - COUNT). */
#define AARCH64_RET_S4 8
#define AARCH64_RET_S3 9
#define AARCH64_RET_S2 10
#define AARCH64_RET_S1 11
#define AARCH64_RET_D4 12
#define AARCH64_RET_D3 13
#define AARCH64_RET_D2 14
#define AARCH64_RET_D1 15
#define AARCH64_RET_Q4 16
#define AARCH64_RET_Q3 17
#define AARCH64_RET_Q2 18
#define AARCH64_RET_Q1 19
/* Note that each of the sub-64-bit integers gets two entries. */
#define AARCH64_RET_UINT8 20
#define AARCH64_RET_UINT16 22
#define AARCH64_RET_UINT32 24
#define AARCH64_RET_SINT8 26
#define AARCH64_RET_SINT16 28
#define AARCH64_RET_SINT32 30
#define AARCH64_RET_MASK 31
#define AARCH64_RET_IN_MEM (1 << 5)
#define AARCH64_RET_NEED_COPY (1 << 6)
#define AARCH64_FLAG_ARG_V_BIT 7
#define AARCH64_FLAG_ARG_V (1 << AARCH64_FLAG_ARG_V_BIT)
#define N_X_ARG_REG 8
#define N_V_ARG_REG 8
#define CALL_CONTEXT_SIZE (N_V_ARG_REG * 16 + N_X_ARG_REG * 8)
src/aarch64/sysv.S
+440
View File
@@ -0,0 +1,440 @@
/* Copyright (c) 2009, 2010, 2011, 2012 ARM Ltd.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
``Software''), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#if defined(__aarch64__) || defined(__arm64__)
#define LIBFFI_ASM
#include <fficonfig.h>
#include <ffi.h>
#include <ffi_cfi.h>
#include "internal.h"
#ifdef HAVE_MACHINE_ASM_H
#include <machine/asm.h>
#else
#ifdef __USER_LABEL_PREFIX__
#define CONCAT1(a, b) CONCAT2(a, b)
#define CONCAT2(a, b) a ## b
/* Use the right prefix for global labels. */
#define CNAME(x) CONCAT1 (__USER_LABEL_PREFIX__, x)
#else
#define CNAME(x) x
#endif
#endif
#ifdef __AARCH64EB__
# define BE(X) X
#else
# define BE(X) 0
#endif
#ifdef __ILP32__
#define PTR_REG(n) w##n
#else
#define PTR_REG(n) x##n
#endif
#ifdef __ILP32__
#define PTR_SIZE 4
#else
#define PTR_SIZE 8
#endif
.text
.align 4
/* ffi_call_SYSV
extern void ffi_call_SYSV (void *stack, void *frame,
void (*fn)(void), void *rvalue,
int flags, void *closure);
Therefore on entry we have:
x0 stack
x1 frame
x2 fn
x3 rvalue
x4 flags
x5 closure
*/
cfi_startproc
CNAME(ffi_call_SYSV):
/* Use a stack frame allocated by our caller. */
cfi_def_cfa(x1, 32);
stp x29, x30, [x1]
mov x29, x1
mov sp, x0
cfi_def_cfa_register(x29)
cfi_rel_offset (x29, 0)
cfi_rel_offset (x30, 8)
mov x9, x2 /* save fn */
mov x8, x3 /* install structure return */
#ifdef FFI_GO_CLOSURES
mov x18, x5 /* install static chain */
#endif
stp x3, x4, [x29, #16] /* save rvalue and flags */
/* Load the vector argument passing registers, if necessary. */
tbz w4, #AARCH64_FLAG_ARG_V_BIT, 1f
ldp q0, q1, [sp, #0]
ldp q2, q3, [sp, #32]
ldp q4, q5, [sp, #64]
ldp q6, q7, [sp, #96]
1:
/* Load the core argument passing registers, including
the structure return pointer. */
ldp x0, x1, [sp, #16*N_V_ARG_REG + 0]
ldp x2, x3, [sp, #16*N_V_ARG_REG + 16]
ldp x4, x5, [sp, #16*N_V_ARG_REG + 32]
ldp x6, x7, [sp, #16*N_V_ARG_REG + 48]
/* Deallocate the context, leaving the stacked arguments. */
add sp, sp, #CALL_CONTEXT_SIZE
blr x9 /* call fn */
ldp x3, x4, [x29, #16] /* reload rvalue and flags */
/* Partially deconstruct the stack frame. */
mov sp, x29
cfi_def_cfa_register (sp)
ldp x29, x30, [x29]
/* Save the return value as directed. */
adr x5, 0f
and w4, w4, #AARCH64_RET_MASK
add x5, x5, x4, lsl #3
br x5
/* Note that each table entry is 2 insns, and thus 8 bytes.
For integer data, note that we're storing into ffi_arg
and therefore we want to extend to 64 bits; these types
have two consecutive entries allocated for them. */
.align 4
0: ret /* VOID */
nop
1: str x0, [x3] /* INT64 */
ret
2: stp x0, x1, [x3] /* INT128 */
ret
3: brk #1000 /* UNUSED */
ret
4: brk #1000 /* UNUSED */
ret
5: brk #1000 /* UNUSED */
ret
6: brk #1000 /* UNUSED */
ret
7: brk #1000 /* UNUSED */
ret
8: st4 { v0.s, v1.s, v2.s, v3.s }[0], [x3] /* S4 */
ret
9: st3 { v0.s, v1.s, v2.s }[0], [x3] /* S3 */
ret
10: stp s0, s1, [x3] /* S2 */
ret
11: str s0, [x3] /* S1 */
ret
12: st4 { v0.d, v1.d, v2.d, v3.d }[0], [x3] /* D4 */
ret
13: st3 { v0.d, v1.d, v2.d }[0], [x3] /* D3 */
ret
14: stp d0, d1, [x3] /* D2 */
ret
15: str d0, [x3] /* D1 */
ret
16: str q3, [x3, #48] /* Q4 */
nop
17: str q2, [x3, #32] /* Q3 */
nop
18: stp q0, q1, [x3] /* Q2 */
ret
19: str q0, [x3] /* Q1 */
ret
20: uxtb w0, w0 /* UINT8 */
str x0, [x3]
21: ret /* reserved */
nop
22: uxth w0, w0 /* UINT16 */
str x0, [x3]
23: ret /* reserved */
nop
24: mov w0, w0 /* UINT32 */
str x0, [x3]
25: ret /* reserved */
nop
26: sxtb x0, w0 /* SINT8 */
str x0, [x3]
27: ret /* reserved */
nop
28: sxth x0, w0 /* SINT16 */
str x0, [x3]
29: ret /* reserved */
nop
30: sxtw x0, w0 /* SINT32 */
str x0, [x3]
31: ret /* reserved */
nop
cfi_endproc
.globl CNAME(ffi_call_SYSV)
FFI_HIDDEN(CNAME(ffi_call_SYSV))
#ifdef __ELF__
.type CNAME(ffi_call_SYSV), #function
.size CNAME(ffi_call_SYSV), .-CNAME(ffi_call_SYSV)
#endif
/* ffi_closure_SYSV
Closure invocation glue. This is the low level code invoked directly by
the closure trampoline to setup and call a closure.
On entry x17 points to a struct ffi_closure, x16 has been clobbered
all other registers are preserved.
We allocate a call context and save the argument passing registers,
then invoked the generic C ffi_closure_SYSV_inner() function to do all
the real work, on return we load the result passing registers back from
the call context.
*/
#define ffi_closure_SYSV_FS (8*2 + CALL_CONTEXT_SIZE + 64)
.align 4
CNAME(ffi_closure_SYSV_V):
cfi_startproc
stp x29, x30, [sp, #-ffi_closure_SYSV_FS]!
cfi_adjust_cfa_offset (ffi_closure_SYSV_FS)
cfi_rel_offset (x29, 0)
cfi_rel_offset (x30, 8)
/* Save the argument passing vector registers. */
stp q0, q1, [sp, #16 + 0]
stp q2, q3, [sp, #16 + 32]
stp q4, q5, [sp, #16 + 64]
stp q6, q7, [sp, #16 + 96]
b 0f
cfi_endproc
.globl CNAME(ffi_closure_SYSV_V)
FFI_HIDDEN(CNAME(ffi_closure_SYSV_V))
#ifdef __ELF__
.type CNAME(ffi_closure_SYSV_V), #function
.size CNAME(ffi_closure_SYSV_V), . - CNAME(ffi_closure_SYSV_V)
#endif
.align 4
cfi_startproc
CNAME(ffi_closure_SYSV):
stp x29, x30, [sp, #-ffi_closure_SYSV_FS]!
cfi_adjust_cfa_offset (ffi_closure_SYSV_FS)
cfi_rel_offset (x29, 0)
cfi_rel_offset (x30, 8)
0:
mov x29, sp
/* Save the argument passing core registers. */
stp x0, x1, [sp, #16 + 16*N_V_ARG_REG + 0]
stp x2, x3, [sp, #16 + 16*N_V_ARG_REG + 16]
stp x4, x5, [sp, #16 + 16*N_V_ARG_REG + 32]
stp x6, x7, [sp, #16 + 16*N_V_ARG_REG + 48]
/* Load ffi_closure_inner arguments. */
ldp PTR_REG(0), PTR_REG(1), [x17, #FFI_TRAMPOLINE_CLOSURE_OFFSET] /* load cif, fn */
ldr PTR_REG(2), [x17, #FFI_TRAMPOLINE_CLOSURE_OFFSET+PTR_SIZE*2] /* load user_data */
.Ldo_closure:
add x3, sp, #16 /* load context */
add x4, sp, #ffi_closure_SYSV_FS /* load stack */
add x5, sp, #16+CALL_CONTEXT_SIZE /* load rvalue */
mov x6, x8 /* load struct_rval */
bl CNAME(ffi_closure_SYSV_inner)
/* Load the return value as directed. */
adr x1, 0f
and w0, w0, #AARCH64_RET_MASK
add x1, x1, x0, lsl #3
add x3, sp, #16+CALL_CONTEXT_SIZE
br x1
/* Note that each table entry is 2 insns, and thus 8 bytes. */
.align 4
0: b 99f /* VOID */
nop
1: ldr x0, [x3] /* INT64 */
b 99f
2: ldp x0, x1, [x3] /* INT128 */
b 99f
3: brk #1000 /* UNUSED */
nop
4: brk #1000 /* UNUSED */
nop
5: brk #1000 /* UNUSED */
nop
6: brk #1000 /* UNUSED */
nop
7: brk #1000 /* UNUSED */
nop
8: ldr s3, [x3, #12] /* S4 */
nop
9: ldr s2, [x3, #8] /* S3 */
nop
10: ldp s0, s1, [x3] /* S2 */
b 99f
11: ldr s0, [x3] /* S1 */
b 99f
12: ldr d3, [x3, #24] /* D4 */
nop
13: ldr d2, [x3, #16] /* D3 */
nop
14: ldp d0, d1, [x3] /* D2 */
b 99f
15: ldr d0, [x3] /* D1 */
b 99f
16: ldr q3, [x3, #48] /* Q4 */
nop
17: ldr q2, [x3, #32] /* Q3 */
nop
18: ldp q0, q1, [x3] /* Q2 */
b 99f
19: ldr q0, [x3] /* Q1 */
b 99f
20: ldrb w0, [x3, #BE(7)] /* UINT8 */
b 99f
21: brk #1000 /* reserved */
nop
22: ldrh w0, [x3, #BE(6)] /* UINT16 */
b 99f
23: brk #1000 /* reserved */
nop
24: ldr w0, [x3, #BE(4)] /* UINT32 */
b 99f
25: brk #1000 /* reserved */
nop
26: ldrsb x0, [x3, #BE(7)] /* SINT8 */
b 99f
27: brk #1000 /* reserved */
nop
28: ldrsh x0, [x3, #BE(6)] /* SINT16 */
b 99f
29: brk #1000 /* reserved */
nop
30: ldrsw x0, [x3, #BE(4)] /* SINT32 */
nop
31: /* reserved */
99: ldp x29, x30, [sp], #ffi_closure_SYSV_FS
cfi_adjust_cfa_offset (-ffi_closure_SYSV_FS)
cfi_restore (x29)
cfi_restore (x30)
ret
cfi_endproc
.globl CNAME(ffi_closure_SYSV)
FFI_HIDDEN(CNAME(ffi_closure_SYSV))
#ifdef __ELF__
.type CNAME(ffi_closure_SYSV), #function
.size CNAME(ffi_closure_SYSV), . - CNAME(ffi_closure_SYSV)
#endif
#if FFI_EXEC_TRAMPOLINE_TABLE
#ifdef __MACH__
#include <mach/machine/vm_param.h>
.align PAGE_MAX_SHIFT
CNAME(ffi_closure_trampoline_table_page):
.rept PAGE_MAX_SIZE / FFI_TRAMPOLINE_SIZE
adr x16, -PAGE_MAX_SIZE
ldp x17, x16, [x16]
br x16
nop /* each entry in the trampoline config page is 2*sizeof(void*) so the trampoline itself cannot be smaller that 16 bytes */
.endr
.globl CNAME(ffi_closure_trampoline_table_page)
FFI_HIDDEN(CNAME(ffi_closure_trampoline_table_page))
#ifdef __ELF__
.type CNAME(ffi_closure_trampoline_table_page), #function
.size CNAME(ffi_closure_trampoline_table_page), . - CNAME(ffi_closure_trampoline_table_page)
#endif
#endif
#endif /* FFI_EXEC_TRAMPOLINE_TABLE */
#ifdef FFI_GO_CLOSURES
.align 4
CNAME(ffi_go_closure_SYSV_V):
cfi_startproc
stp x29, x30, [sp, #-ffi_closure_SYSV_FS]!
cfi_adjust_cfa_offset (ffi_closure_SYSV_FS)
cfi_rel_offset (x29, 0)
cfi_rel_offset (x30, 8)
/* Save the argument passing vector registers. */
stp q0, q1, [sp, #16 + 0]
stp q2, q3, [sp, #16 + 32]
stp q4, q5, [sp, #16 + 64]
stp q6, q7, [sp, #16 + 96]
b 0f
cfi_endproc
.globl CNAME(ffi_go_closure_SYSV_V)
FFI_HIDDEN(CNAME(ffi_go_closure_SYSV_V))
#ifdef __ELF__
.type CNAME(ffi_go_closure_SYSV_V), #function
.size CNAME(ffi_go_closure_SYSV_V), . - CNAME(ffi_go_closure_SYSV_V)
#endif
.align 4
cfi_startproc
CNAME(ffi_go_closure_SYSV):
stp x29, x30, [sp, #-ffi_closure_SYSV_FS]!
cfi_adjust_cfa_offset (ffi_closure_SYSV_FS)
cfi_rel_offset (x29, 0)
cfi_rel_offset (x30, 8)
0:
mov x29, sp
/* Save the argument passing core registers. */
stp x0, x1, [sp, #16 + 16*N_V_ARG_REG + 0]
stp x2, x3, [sp, #16 + 16*N_V_ARG_REG + 16]
stp x4, x5, [sp, #16 + 16*N_V_ARG_REG + 32]
stp x6, x7, [sp, #16 + 16*N_V_ARG_REG + 48]
/* Load ffi_closure_inner arguments. */
ldp PTR_REG(0), PTR_REG(1), [x18, #PTR_SIZE]/* load cif, fn */
mov x2, x18 /* load user_data */
b .Ldo_closure
cfi_endproc
.globl CNAME(ffi_go_closure_SYSV)
FFI_HIDDEN(CNAME(ffi_go_closure_SYSV))
#ifdef __ELF__
.type CNAME(ffi_go_closure_SYSV), #function
.size CNAME(ffi_go_closure_SYSV), . - CNAME(ffi_go_closure_SYSV)
#endif
#endif /* FFI_GO_CLOSURES */
#endif /* __arm64__ */
#if defined __ELF__ && defined __linux__
.section .note.GNU-stack,"",%progbits
#endif
src/aarch64/win64_armasm.S
+506
View File
@@ -0,0 +1,506 @@
/* Copyright (c) 2009, 2010, 2011, 2012 ARM Ltd.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
``Software''), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#define LIBFFI_ASM
#include <fficonfig.h>
#include <ffi.h>
#include <ffi_cfi.h>
#include "internal.h"
OPT 2 /*disable listing */
/* For some macros to add unwind information */
#include "ksarm64.h"
OPT 1 /*re-enable listing */
#define BE(X) 0
#define PTR_REG(n) x##n
#define PTR_SIZE 8
IMPORT ffi_closure_SYSV_inner
EXPORT ffi_call_SYSV
EXPORT ffi_closure_SYSV_V
EXPORT ffi_closure_SYSV
EXPORT extend_hfa_type
EXPORT compress_hfa_type
#ifdef FFI_GO_CLOSURES
EXPORT ffi_go_closure_SYSV_V
EXPORT ffi_go_closure_SYSV
#endif
TEXTAREA, ALLIGN=8
/* ffi_call_SYSV
extern void ffi_call_SYSV (void *stack, void *frame,
void (*fn)(void), void *rvalue,
int flags, void *closure);
Therefore on entry we have:
x0 stack
x1 frame
x2 fn
x3 rvalue
x4 flags
x5 closure
*/
NESTED_ENTRY ffi_call_SYSV_fake
/* For unwind information, Windows has to store fp and lr */
PROLOG_SAVE_REG_PAIR x29, x30, #-32!
ALTERNATE_ENTRY ffi_call_SYSV
/* Use a stack frame allocated by our caller. */
stp x29, x30, [x1]
mov x29, x1
mov sp, x0
mov x9, x2 /* save fn */
mov x8, x3 /* install structure return */
#ifdef FFI_GO_CLOSURES
/*mov x18, x5 install static chain */
#endif
stp x3, x4, [x29, #16] /* save rvalue and flags */
/* Load the vector argument passing registers, if necessary. */
tbz x4, #AARCH64_FLAG_ARG_V_BIT, ffi_call_SYSV_L1
ldp q0, q1, [sp, #0]
ldp q2, q3, [sp, #32]
ldp q4, q5, [sp, #64]
ldp q6, q7, [sp, #96]
ffi_call_SYSV_L1
/* Load the core argument passing registers, including
the structure return pointer. */
ldp x0, x1, [sp, #16*N_V_ARG_REG + 0]
ldp x2, x3, [sp, #16*N_V_ARG_REG + 16]
ldp x4, x5, [sp, #16*N_V_ARG_REG + 32]
ldp x6, x7, [sp, #16*N_V_ARG_REG + 48]
/* Deallocate the context, leaving the stacked arguments. */
add sp, sp, #CALL_CONTEXT_SIZE
blr x9 /* call fn */
ldp x3, x4, [x29, #16] /* reload rvalue and flags */
/* Partially deconstruct the stack frame. */
mov sp, x29
ldp x29, x30, [x29]
/* Save the return value as directed. */
adr x5, ffi_call_SYSV_return
and w4, w4, #AARCH64_RET_MASK
add x5, x5, x4, lsl #3
br x5
/* Note that each table entry is 2 insns, and thus 8 bytes.
For integer data, note that we're storing into ffi_arg
and therefore we want to extend to 64 bits; these types
have two consecutive entries allocated for them. */
ALIGN 4
ffi_call_SYSV_return
ret /* VOID */
nop
str x0, [x3] /* INT64 */
ret
stp x0, x1, [x3] /* INT128 */
ret
brk #1000 /* UNUSED */
ret
brk #1000 /* UNUSED */
ret
brk #1000 /* UNUSED */
ret
brk #1000 /* UNUSED */
ret
brk #1000 /* UNUSED */
ret
st4 { v0.s, v1.s, v2.s, v3.s }[0], [x3] /* S4 */
ret
st3 { v0.s, v1.s, v2.s }[0], [x3] /* S3 */
ret
stp s0, s1, [x3] /* S2 */
ret
str s0, [x3] /* S1 */
ret
st4 { v0.d, v1.d, v2.d, v3.d }[0], [x3] /* D4 */
ret
st3 { v0.d, v1.d, v2.d }[0], [x3] /* D3 */
ret
stp d0, d1, [x3] /* D2 */
ret
str d0, [x3] /* D1 */
ret
str q3, [x3, #48] /* Q4 */
nop
str q2, [x3, #32] /* Q3 */
nop
stp q0, q1, [x3] /* Q2 */
ret
str q0, [x3] /* Q1 */
ret
uxtb w0, w0 /* UINT8 */
str x0, [x3]
ret /* reserved */
nop
uxth w0, w0 /* UINT16 */
str x0, [x3]
ret /* reserved */
nop
mov w0, w0 /* UINT32 */
str x0, [x3]
ret /* reserved */
nop
sxtb x0, w0 /* SINT8 */
str x0, [x3]
ret /* reserved */
nop
sxth x0, w0 /* SINT16 */
str x0, [x3]
ret /* reserved */
nop
sxtw x0, w0 /* SINT32 */
str x0, [x3]
ret /* reserved */
nop
NESTED_END ffi_call_SYSV_fake
/* ffi_closure_SYSV
Closure invocation glue. This is the low level code invoked directly by
the closure trampoline to setup and call a closure.
On entry x17 points to a struct ffi_closure, x16 has been clobbered
all other registers are preserved.
We allocate a call context and save the argument passing registers,
then invoked the generic C ffi_closure_SYSV_inner() function to do all
the real work, on return we load the result passing registers back from
the call context.
*/
#define ffi_closure_SYSV_FS (8*2 + CALL_CONTEXT_SIZE + 64)
NESTED_ENTRY ffi_closure_SYSV_V
PROLOG_SAVE_REG_PAIR x29, x30, #-ffi_closure_SYSV_FS!
/* Save the argument passing vector registers. */
stp q0, q1, [sp, #16 + 0]
stp q2, q3, [sp, #16 + 32]
stp q4, q5, [sp, #16 + 64]
stp q6, q7, [sp, #16 + 96]
b ffi_closure_SYSV_save_argument
NESTED_END ffi_closure_SYSV_V
NESTED_ENTRY ffi_closure_SYSV
PROLOG_SAVE_REG_PAIR x29, x30, #-ffi_closure_SYSV_FS!
ffi_closure_SYSV_save_argument
/* Save the argument passing core registers. */
stp x0, x1, [sp, #16 + 16*N_V_ARG_REG + 0]
stp x2, x3, [sp, #16 + 16*N_V_ARG_REG + 16]
stp x4, x5, [sp, #16 + 16*N_V_ARG_REG + 32]
stp x6, x7, [sp, #16 + 16*N_V_ARG_REG + 48]
/* Load ffi_closure_inner arguments. */
ldp PTR_REG(0), PTR_REG(1), [x17, #FFI_TRAMPOLINE_CLOSURE_OFFSET] /* load cif, fn */
ldr PTR_REG(2), [x17, #FFI_TRAMPOLINE_CLOSURE_OFFSET+PTR_SIZE*2] /* load user_data */
do_closure
add x3, sp, #16 /* load context */
add x4, sp, #ffi_closure_SYSV_FS /* load stack */
add x5, sp, #16+CALL_CONTEXT_SIZE /* load rvalue */
mov x6, x8 /* load struct_rval */
bl ffi_closure_SYSV_inner
/* Load the return value as directed. */
adr x1, ffi_closure_SYSV_return_base
and w0, w0, #AARCH64_RET_MASK
add x1, x1, x0, lsl #3
add x3, sp, #16+CALL_CONTEXT_SIZE
br x1
/* Note that each table entry is 2 insns, and thus 8 bytes. */
ALIGN 8
ffi_closure_SYSV_return_base
b ffi_closure_SYSV_epilog /* VOID */
nop
ldr x0, [x3] /* INT64 */
b ffi_closure_SYSV_epilog
ldp x0, x1, [x3] /* INT128 */
b ffi_closure_SYSV_epilog
brk #1000 /* UNUSED */
nop
brk #1000 /* UNUSED */
nop
brk #1000 /* UNUSED */
nop
brk #1000 /* UNUSED */
nop
brk #1000 /* UNUSED */
nop
ldr s3, [x3, #12] /* S4 */
nop
ldr s2, [x3, #8] /* S3 */
nop
ldp s0, s1, [x3] /* S2 */
b ffi_closure_SYSV_epilog
ldr s0, [x3] /* S1 */
b ffi_closure_SYSV_epilog
ldr d3, [x3, #24] /* D4 */
nop
ldr d2, [x3, #16] /* D3 */
nop
ldp d0, d1, [x3] /* D2 */
b ffi_closure_SYSV_epilog
ldr d0, [x3] /* D1 */
b ffi_closure_SYSV_epilog
ldr q3, [x3, #48] /* Q4 */
nop
ldr q2, [x3, #32] /* Q3 */
nop
ldp q0, q1, [x3] /* Q2 */
b ffi_closure_SYSV_epilog
ldr q0, [x3] /* Q1 */
b ffi_closure_SYSV_epilog
ldrb w0, [x3, #BE(7)] /* UINT8 */
b ffi_closure_SYSV_epilog
brk #1000 /* reserved */
nop
ldrh w0, [x3, #BE(6)] /* UINT16 */
b ffi_closure_SYSV_epilog
brk #1000 /* reserved */
nop
ldr w0, [x3, #BE(4)] /* UINT32 */
b ffi_closure_SYSV_epilog
brk #1000 /* reserved */
nop
ldrsb x0, [x3, #BE(7)] /* SINT8 */
b ffi_closure_SYSV_epilog
brk #1000 /* reserved */
nop
ldrsh x0, [x3, #BE(6)] /* SINT16 */
b ffi_closure_SYSV_epilog
brk #1000 /* reserved */
nop
ldrsw x0, [x3, #BE(4)] /* SINT32 */
nop
/* reserved */
ffi_closure_SYSV_epilog
EPILOG_RESTORE_REG_PAIR x29, x30, #ffi_closure_SYSV_FS!
EPILOG_RETURN
NESTED_END ffi_closure_SYSV
#ifdef FFI_GO_CLOSURES
NESTED_ENTRY ffi_go_closure_SYSV_V
PROLOG_SAVE_REG_PAIR x29, x30, #-ffi_closure_SYSV_FS!
/* Save the argument passing vector registers. */
stp q0, q1, [sp, #16 + 0]
stp q2, q3, [sp, #16 + 32]
stp q4, q5, [sp, #16 + 64]
stp q6, q7, [sp, #16 + 96]
b ffi_go_closure_SYSV_save_argument
NESTED_END ffi_go_closure_SYSV_V
NESTED_ENTRY ffi_go_closure_SYSV
PROLOG_SAVE_REG_PAIR x29, x30, #-ffi_closure_SYSV_FS!
ffi_go_closure_SYSV_save_argument
/* Save the argument passing core registers. */
stp x0, x1, [sp, #16 + 16*N_V_ARG_REG + 0]
stp x2, x3, [sp, #16 + 16*N_V_ARG_REG + 16]
stp x4, x5, [sp, #16 + 16*N_V_ARG_REG + 32]
stp x6, x7, [sp, #16 + 16*N_V_ARG_REG + 48]
/* Load ffi_closure_inner arguments. */
ldp PTR_REG(0), PTR_REG(1), [x18, #PTR_SIZE]/* load cif, fn */
mov x2, x18 /* load user_data */
b do_closure
NESTED_END ffi_go_closure_SYSV
#endif /* FFI_GO_CLOSURES */
/* void extend_hfa_type (void *dest, void *src, int h) */
LEAF_ENTRY extend_hfa_type
adr x3, extend_hfa_type_jump_base
and w2, w2, #AARCH64_RET_MASK
sub x2, x2, #AARCH64_RET_S4
add x3, x3, x2, lsl #4
br x3
ALIGN 4
extend_hfa_type_jump_base
ldp s16, s17, [x1] /* S4 */
ldp s18, s19, [x1, #8]
b extend_hfa_type_store_4
nop
ldp s16, s17, [x1] /* S3 */
ldr s18, [x1, #8]
b extend_hfa_type_store_3
nop
ldp s16, s17, [x1] /* S2 */
b extend_hfa_type_store_2
nop
nop
ldr s16, [x1] /* S1 */
b extend_hfa_type_store_1
nop
nop
ldp d16, d17, [x1] /* D4 */
ldp d18, d19, [x1, #16]
b extend_hfa_type_store_4
nop
ldp d16, d17, [x1] /* D3 */
ldr d18, [x1, #16]
b extend_hfa_type_store_3
nop
ldp d16, d17, [x1] /* D2 */
b extend_hfa_type_store_2
nop
nop
ldr d16, [x1] /* D1 */
b extend_hfa_type_store_1
nop
nop
ldp q16, q17, [x1] /* Q4 */
ldp q18, q19, [x1, #16]
b extend_hfa_type_store_4
nop
ldp q16, q17, [x1] /* Q3 */
ldr q18, [x1, #16]
b extend_hfa_type_store_3
nop
ldp q16, q17, [x1] /* Q2 */
b extend_hfa_type_store_2
nop
nop
ldr q16, [x1] /* Q1 */
b extend_hfa_type_store_1
extend_hfa_type_store_4
str q19, [x0, #48]
extend_hfa_type_store_3
str q18, [x0, #32]
extend_hfa_type_store_2
str q17, [x0, #16]
extend_hfa_type_store_1
str q16, [x0]
ret
LEAF_END extend_hfa_type
/* void compress_hfa_type (void *dest, void *reg, int h) */
LEAF_ENTRY compress_hfa_type
adr x3, compress_hfa_type_jump_base
and w2, w2, #AARCH64_RET_MASK
sub x2, x2, #AARCH64_RET_S4
add x3, x3, x2, lsl #4
br x3
ALIGN 4
compress_hfa_type_jump_base
ldp q16, q17, [x1] /* S4 */
ldp q18, q19, [x1, #32]
st4 { v16.s, v17.s, v18.s, v19.s }[0], [x0]
ret
ldp q16, q17, [x1] /* S3 */
ldr q18, [x1, #32]
st3 { v16.s, v17.s, v18.s }[0], [x0]
ret
ldp q16, q17, [x1] /* S2 */
st2 { v16.s, v17.s }[0], [x0]
ret
nop
ldr q16, [x1] /* S1 */
st1 { v16.s }[0], [x0]
ret
nop
ldp q16, q17, [x1] /* D4 */
ldp q18, q19, [x1, #32]
st4 { v16.d, v17.d, v18.d, v19.d }[0], [x0]
ret
ldp q16, q17, [x1] /* D3 */
ldr q18, [x1, #32]
st3 { v16.d, v17.d, v18.d }[0], [x0]
ret
ldp q16, q17, [x1] /* D2 */
st2 { v16.d, v17.d }[0], [x0]
ret
nop
ldr q16, [x1] /* D1 */
st1 { v16.d }[0], [x0]
ret
nop
ldp q16, q17, [x1] /* Q4 */
ldp q18, q19, [x1, #32]
b compress_hfa_type_store_q4
nop
ldp q16, q17, [x1] /* Q3 */
ldr q18, [x1, #32]
b compress_hfa_type_store_q3
nop
ldp q16, q17, [x1] /* Q2 */
stp q16, q17, [x0]
ret
nop
ldr q16, [x1] /* Q1 */
str q16, [x0]
ret
compress_hfa_type_store_q4
str q19, [x0, #48]
compress_hfa_type_store_q3
str q18, [x0, #32]
stp q16, q17, [x0]
ret
LEAF_END compress_hfa_type
END
src/alpha/ffi.c
+521
View File
@@ -0,0 +1,521 @@
/* -----------------------------------------------------------------------
ffi.c - Copyright (c) 2012 Anthony Green
Copyright (c) 1998, 2001, 2007, 2008 Red Hat, Inc.
Alpha Foreign Function Interface
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
``Software''), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------- */
#include <ffi.h>
#include <ffi_common.h>
#include <stdlib.h>
#include "internal.h"
/* Force FFI_TYPE_LONGDOUBLE to be different than FFI_TYPE_DOUBLE;
all further uses in this file will refer to the 128-bit type. */
#if defined(__LONG_DOUBLE_128__)
# if FFI_TYPE_LONGDOUBLE != 4
# error FFI_TYPE_LONGDOUBLE out of date
# endif
#else
# undef FFI_TYPE_LONGDOUBLE
# define FFI_TYPE_LONGDOUBLE 4
#endif
extern void ffi_call_osf(void *stack, void *frame, unsigned flags,
void *raddr, void (*fn)(void), void *closure)
FFI_HIDDEN;
extern void ffi_closure_osf(void) FFI_HIDDEN;
extern void ffi_go_closure_osf(void) FFI_HIDDEN;
/* Promote a float value to its in-register double representation.
Unlike actually casting to double, this does not trap on NaN. */
static inline UINT64 lds(void *ptr)
{
UINT64 ret;
asm("lds %0,%1" : "=f"(ret) : "m"(*(UINT32 *)ptr));
return ret;
}
/* And the reverse. */
static inline void sts(void *ptr, UINT64 val)
{
asm("sts %1,%0" : "=m"(*(UINT32 *)ptr) : "f"(val));
}
ffi_status FFI_HIDDEN
ffi_prep_cif_machdep(ffi_cif *cif)
{
size_t bytes = 0;
int flags, i, avn;
ffi_type *rtype, *itype;
if (cif->abi != FFI_OSF)
return FFI_BAD_ABI;
/* Compute the size of the argument area. */
for (i = 0, avn = cif->nargs; i < avn; i++)
{
itype = cif->arg_types[i];
switch (itype->type)
{
case FFI_TYPE_INT:
case FFI_TYPE_SINT8:
case FFI_TYPE_UINT8:
case FFI_TYPE_SINT16:
case FFI_TYPE_UINT16:
case FFI_TYPE_SINT32:
case FFI_TYPE_UINT32:
case FFI_TYPE_SINT64:
case FFI_TYPE_UINT64:
case FFI_TYPE_POINTER:
case FFI_TYPE_FLOAT:
case FFI_TYPE_DOUBLE:
case FFI_TYPE_LONGDOUBLE:
/* All take one 8 byte slot. */
bytes += 8;
break;
case FFI_TYPE_VOID:
case FFI_TYPE_STRUCT:
/* Passed by value in N slots. */
bytes += FFI_ALIGN(itype->size, FFI_SIZEOF_ARG);
break;
case FFI_TYPE_COMPLEX:
/* _Complex long double passed by reference; others in 2 slots. */
if (itype->elements[0]->type == FFI_TYPE_LONGDOUBLE)
bytes += 8;
else
bytes += 16;
break;
default:
abort();
}
}
/* Set the return type flag */
rtype = cif->rtype;
switch (rtype->type)
{
case FFI_TYPE_VOID:
flags = ALPHA_FLAGS(ALPHA_ST_VOID, ALPHA_LD_VOID);
break;
case FFI_TYPE_INT:
case FFI_TYPE_UINT32:
case FFI_TYPE_SINT32:
flags = ALPHA_FLAGS(ALPHA_ST_INT, ALPHA_LD_INT32);
break;
case FFI_TYPE_FLOAT:
flags = ALPHA_FLAGS(ALPHA_ST_FLOAT, ALPHA_LD_FLOAT);
break;
case FFI_TYPE_DOUBLE:
flags = ALPHA_FLAGS(ALPHA_ST_DOUBLE, ALPHA_LD_DOUBLE);
break;
case FFI_TYPE_UINT8:
flags = ALPHA_FLAGS(ALPHA_ST_INT, ALPHA_LD_UINT8);
break;
case FFI_TYPE_SINT8:
flags = ALPHA_FLAGS(ALPHA_ST_INT, ALPHA_LD_SINT8);
break;
case FFI_TYPE_UINT16:
flags = ALPHA_FLAGS(ALPHA_ST_INT, ALPHA_LD_UINT16);
break;
case FFI_TYPE_SINT16:
flags = ALPHA_FLAGS(ALPHA_ST_INT, ALPHA_LD_SINT16);
break;
case FFI_TYPE_UINT64:
case FFI_TYPE_SINT64:
case FFI_TYPE_POINTER:
flags = ALPHA_FLAGS(ALPHA_ST_INT, ALPHA_LD_INT64);
break;
case FFI_TYPE_LONGDOUBLE:
case FFI_TYPE_STRUCT:
/* Passed in memory, with a hidden pointer. */
flags = ALPHA_RET_IN_MEM;
break;
case FFI_TYPE_COMPLEX:
itype = rtype->elements[0];
switch (itype->type)
{
case FFI_TYPE_FLOAT:
flags = ALPHA_FLAGS(ALPHA_ST_CPLXF, ALPHA_LD_CPLXF);
break;
case FFI_TYPE_DOUBLE:
flags = ALPHA_FLAGS(ALPHA_ST_CPLXD, ALPHA_LD_CPLXD);
break;
default:
if (rtype->size <= 8)
flags = ALPHA_FLAGS(ALPHA_ST_INT, ALPHA_LD_INT64);
else
flags = ALPHA_RET_IN_MEM;
break;
}
break;
default:
abort();
}
cif->flags = flags;
/* Include the hidden structure pointer in args requirement. */
if (flags == ALPHA_RET_IN_MEM)
bytes += 8;
/* Minimum size is 6 slots, so that ffi_call_osf can pop them. */
if (bytes < 6*8)
bytes = 6*8;
cif->bytes = bytes;
return FFI_OK;
}
static unsigned long
extend_basic_type(void *valp, int type, int argn)
{
switch (type)
{
case FFI_TYPE_SINT8:
return *(SINT8 *)valp;
case FFI_TYPE_UINT8:
return *(UINT8 *)valp;
case FFI_TYPE_SINT16:
return *(SINT16 *)valp;
case FFI_TYPE_UINT16:
return *(UINT16 *)valp;
case FFI_TYPE_FLOAT:
if (argn < 6)
return lds(valp);
/* FALLTHRU */
case FFI_TYPE_INT:
case FFI_TYPE_SINT32:
case FFI_TYPE_UINT32:
/* Note that unsigned 32-bit quantities are sign extended. */
return *(SINT32 *)valp;
case FFI_TYPE_SINT64:
case FFI_TYPE_UINT64:
case FFI_TYPE_POINTER:
case FFI_TYPE_DOUBLE:
return *(UINT64 *)valp;
default:
abort();
}
}
static void
ffi_call_int (ffi_cif *cif, void (*fn)(void), void *rvalue,
void **avalue, void *closure)
{
unsigned long *argp;
long i, avn, argn, flags = cif->flags;
ffi_type **arg_types;
void *frame;
/* If the return value is a struct and we don't have a return
value address then we need to make one. */
if (rvalue == NULL && flags == ALPHA_RET_IN_MEM)
rvalue = alloca(cif->rtype->size);
/* Allocate the space for the arguments, plus 4 words of temp
space for ffi_call_osf. */
argp = frame = alloca(cif->bytes + 4*FFI_SIZEOF_ARG);
frame += cif->bytes;
argn = 0;
if (flags == ALPHA_RET_IN_MEM)
argp[argn++] = (unsigned long)rvalue;
avn = cif->nargs;
arg_types = cif->arg_types;
for (i = 0, avn = cif->nargs; i < avn; i++)
{
ffi_type *ty = arg_types[i];
void *valp = avalue[i];
int type = ty->type;
size_t size;
switch (type)
{
case FFI_TYPE_INT:
case FFI_TYPE_SINT8:
case FFI_TYPE_UINT8:
case FFI_TYPE_SINT16:
case FFI_TYPE_UINT16:
case FFI_TYPE_SINT32:
case FFI_TYPE_UINT32:
case FFI_TYPE_SINT64:
case FFI_TYPE_UINT64:
case FFI_TYPE_POINTER:
case FFI_TYPE_FLOAT:
case FFI_TYPE_DOUBLE:
argp[argn] = extend_basic_type(valp, type, argn);
argn++;
break;
case FFI_TYPE_LONGDOUBLE:
by_reference:
/* Note that 128-bit long double is passed by reference. */
argp[argn++] = (unsigned long)valp;
break;
case FFI_TYPE_VOID:
case FFI_TYPE_STRUCT:
size = ty->size;
memcpy(argp + argn, valp, size);
argn += FFI_ALIGN(size, FFI_SIZEOF_ARG) / FFI_SIZEOF_ARG;
break;
case FFI_TYPE_COMPLEX:
type = ty->elements[0]->type;
if (type == FFI_TYPE_LONGDOUBLE)
goto by_reference;
/* Most complex types passed as two separate arguments. */
size = ty->elements[0]->size;
argp[argn] = extend_basic_type(valp, type, argn);
argp[argn + 1] = extend_basic_type(valp + size, type, argn + 1);
argn += 2;
break;
default:
abort();
}
}
flags = (flags >> ALPHA_ST_SHIFT) & 0xff;
ffi_call_osf(argp, frame, flags, rvalue, fn, closure);
}
void
ffi_call (ffi_cif *cif, void (*fn)(void), void *rvalue, void **avalue)
{
ffi_call_int(cif, fn, rvalue, avalue, NULL);
}
void
ffi_call_go (ffi_cif *cif, void (*fn)(void), void *rvalue,
void **avalue, void *closure)
{
ffi_call_int(cif, fn, rvalue, avalue, closure);
}
ffi_status
ffi_prep_closure_loc (ffi_closure* closure,
ffi_cif* cif,
void (*fun)(ffi_cif*, void*, void**, void*),
void *user_data,
void *codeloc)
{
unsigned int *tramp;
if (cif->abi != FFI_OSF)
return FFI_BAD_ABI;
tramp = (unsigned int *) &closure->tramp[0];
tramp[0] = 0x47fb0401; /* mov $27,$1 */
tramp[1] = 0xa77b0010; /* ldq $27,16($27) */
tramp[2] = 0x6bfb0000; /* jmp $31,($27),0 */
tramp[3] = 0x47ff041f; /* nop */
*(void **) &tramp[4] = ffi_closure_osf;
closure->cif = cif;
closure->fun = fun;
closure->user_data = user_data;
/* Flush the Icache.
Tru64 UNIX as doesn't understand the imb mnemonic, so use call_pal
instead, since both Compaq as and gas can handle it.
0x86 is PAL_imb in Tru64 UNIX <alpha/pal.h>. */
asm volatile ("call_pal 0x86" : : : "memory");
return FFI_OK;
}
ffi_status
ffi_prep_go_closure (ffi_go_closure* closure,
ffi_cif* cif,
void (*fun)(ffi_cif*, void*, void**, void*))
{
if (cif->abi != FFI_OSF)
return FFI_BAD_ABI;
closure->tramp = (void *)ffi_go_closure_osf;
closure->cif = cif;
closure->fun = fun;
return FFI_OK;
}
long FFI_HIDDEN
ffi_closure_osf_inner (ffi_cif *cif,
void (*fun)(ffi_cif*, void*, void**, void*),
void *user_data,
void *rvalue, unsigned long *argp)
{
void **avalue;
ffi_type **arg_types;
long i, avn, argn, flags;
avalue = alloca(cif->nargs * sizeof(void *));
flags = cif->flags;
argn = 0;
/* Copy the caller's structure return address to that the closure
returns the data directly to the caller. */
if (flags == ALPHA_RET_IN_MEM)
{
rvalue = (void *) argp[0];
argn = 1;
}
arg_types = cif->arg_types;
/* Grab the addresses of the arguments from the stack frame. */
for (i = 0, avn = cif->nargs; i < avn; i++)
{
ffi_type *ty = arg_types[i];
int type = ty->type;
void *valp = &argp[argn];
size_t size;
switch (type)
{
case FFI_TYPE_INT:
case FFI_TYPE_SINT8:
case FFI_TYPE_UINT8:
case FFI_TYPE_SINT16:
case FFI_TYPE_UINT16:
case FFI_TYPE_SINT32:
case FFI_TYPE_UINT32:
case FFI_TYPE_SINT64:
case FFI_TYPE_UINT64:
case FFI_TYPE_POINTER:
argn += 1;
break;
case FFI_TYPE_VOID:
case FFI_TYPE_STRUCT:
size = ty->size;
argn += FFI_ALIGN(size, FFI_SIZEOF_ARG) / FFI_SIZEOF_ARG;
break;
case FFI_TYPE_FLOAT:
/* Floats coming from registers need conversion from double
back to float format. */
if (argn < 6)
{
valp = &argp[argn - 6];
sts(valp, argp[argn - 6]);
}
argn += 1;
break;
case FFI_TYPE_DOUBLE:
if (argn < 6)
valp = &argp[argn - 6];
argn += 1;
break;
case FFI_TYPE_LONGDOUBLE:
by_reference:
/* 128-bit long double is passed by reference. */
valp = (void *)argp[argn];
argn += 1;
break;
case FFI_TYPE_COMPLEX:
type = ty->elements[0]->type;
switch (type)
{
case FFI_TYPE_SINT64:
case FFI_TYPE_UINT64:
/* Passed as separate arguments, but they wind up sequential. */
break;
case FFI_TYPE_INT:
case FFI_TYPE_SINT8:
case FFI_TYPE_UINT8:
case FFI_TYPE_SINT16:
case FFI_TYPE_UINT16:
case FFI_TYPE_SINT32:
case FFI_TYPE_UINT32:
/* Passed as separate arguments. Disjoint, but there's room
enough in one slot to hold the pair. */
size = ty->elements[0]->size;
memcpy(valp + size, valp + 8, size);
break;
case FFI_TYPE_FLOAT:
/* Passed as separate arguments. Disjoint, and each piece
may need conversion back to float. */
if (argn < 6)
{
valp = &argp[argn - 6];
sts(valp, argp[argn - 6]);
}
if (argn + 1 < 6)
sts(valp + 4, argp[argn + 1 - 6]);
else
*(UINT32 *)(valp + 4) = argp[argn + 1];
break;
case FFI_TYPE_DOUBLE:
/* Passed as separate arguments. Only disjoint if one part
is in fp regs and the other is on the stack. */
if (argn < 5)
valp = &argp[argn - 6];
else if (argn == 5)
{
valp = alloca(16);
((UINT64 *)valp)[0] = argp[5 - 6];
((UINT64 *)valp)[1] = argp[6];
}
break;
case FFI_TYPE_LONGDOUBLE:
goto by_reference;
default:
abort();
}
argn += 2;
break;
default:
abort ();
}
avalue[i] = valp;
}
/* Invoke the closure. */
fun (cif, rvalue, avalue, user_data);
/* Tell ffi_closure_osf how to perform return type promotions. */
return (flags >> ALPHA_LD_SHIFT) & 0xff;
}
src/alpha/ffitarget.h
+57
View File
@@ -0,0 +1,57 @@
/* -----------------------------------------------------------------*-C-*-
ffitarget.h - Copyright (c) 2012 Anthony Green
Copyright (c) 1996-2003 Red Hat, Inc.
Target configuration macros for Alpha.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
``Software''), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------- */
#ifndef LIBFFI_TARGET_H
#define LIBFFI_TARGET_H
#ifndef LIBFFI_H
#error "Please do not include ffitarget.h directly into your source. Use ffi.h instead."
#endif
#ifndef LIBFFI_ASM
typedef unsigned long ffi_arg;
typedef signed long ffi_sarg;
typedef enum ffi_abi {
FFI_FIRST_ABI = 0,
FFI_OSF,
FFI_LAST_ABI,
FFI_DEFAULT_ABI = FFI_OSF
} ffi_abi;
#endif
#define FFI_TARGET_SPECIFIC_STACK_SPACE_ALLOCATION
#define FFI_TARGET_HAS_COMPLEX_TYPE
/* ---- Definitions for closures ----------------------------------------- */
#define FFI_CLOSURES 1
#define FFI_GO_CLOSURES 1
#define FFI_TRAMPOLINE_SIZE 24
#define FFI_NATIVE_RAW_API 0
#endif
src/alpha/internal.h
+23
View File
@@ -0,0 +1,23 @@
#define ALPHA_ST_VOID 0
#define ALPHA_ST_INT 1
#define ALPHA_ST_FLOAT 2
#define ALPHA_ST_DOUBLE 3
#define ALPHA_ST_CPLXF 4
#define ALPHA_ST_CPLXD 5
#define ALPHA_LD_VOID 0
#define ALPHA_LD_INT64 1
#define ALPHA_LD_INT32 2
#define ALPHA_LD_UINT16 3
#define ALPHA_LD_SINT16 4
#define ALPHA_LD_UINT8 5
#define ALPHA_LD_SINT8 6
#define ALPHA_LD_FLOAT 7
#define ALPHA_LD_DOUBLE 8
#define ALPHA_LD_CPLXF 9
#define ALPHA_LD_CPLXD 10
#define ALPHA_ST_SHIFT 0
#define ALPHA_LD_SHIFT 8
#define ALPHA_RET_IN_MEM 0x10000
#define ALPHA_FLAGS(S, L) (((L) << ALPHA_LD_SHIFT) | (S))
src/alpha/osf.S
+282
View File
@@ -0,0 +1,282 @@
/* -----------------------------------------------------------------------
osf.S - Copyright (c) 1998, 2001, 2007, 2008, 2011, 2014 Red Hat
Alpha/OSF Foreign Function Interface
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
``Software''), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------- */
#define LIBFFI_ASM
#include <fficonfig.h>
#include <ffi.h>
#include <ffi_cfi.h>
#include "internal.h"
.arch ev6
.text
/* Aid in building a direct addressed jump table, 4 insns per entry. */
.macro E index
.align 4
.org 99b + \index * 16
.endm
/* ffi_call_osf (void *stack, void *frame, unsigned flags,
void *raddr, void (*fnaddr)(void), void *closure)
Bit o trickiness here -- FRAME is the base of the stack frame
for this function. This has been allocated by ffi_call. We also
deallocate some of the stack that has been alloca'd. */
.align 4
.globl ffi_call_osf
.ent ffi_call_osf
FFI_HIDDEN(ffi_call_osf)
ffi_call_osf:
cfi_startproc
cfi_def_cfa($17, 32)
mov $16, $30
stq $26, 0($17)
stq $15, 8($17)
mov $17, $15
.prologue 0
cfi_def_cfa_register($15)
cfi_rel_offset($26, 0)
cfi_rel_offset($15, 8)
stq $18, 16($17) # save flags into frame
stq $19, 24($17) # save rvalue into frame
mov $20, $27 # fn into place for call
mov $21, $1 # closure into static chain
# Load up all of the (potential) argument registers.
ldq $16, 0($30)
ldt $f16, 0($30)
ldt $f17, 8($30)
ldq $17, 8($30)
ldt $f18, 16($30)
ldq $18, 16($30)
ldt $f19, 24($30)
ldq $19, 24($30)
ldt $f20, 32($30)
ldq $20, 32($30)
ldt $f21, 40($30)
ldq $21, 40($30)
# Deallocate the register argument area.
lda $30, 48($30)
jsr $26, ($27), 0
0:
ldah $29, 0($26) !gpdisp!1
ldq $2, 24($15) # reload rvalue
lda $29, 0($29) !gpdisp!1
ldq $3, 16($15) # reload flags
lda $1, 99f-0b($26)
ldq $26, 0($15)
ldq $15, 8($15)
cfi_restore($26)
cfi_restore($15)
cfi_def_cfa($sp, 0)
cmoveq $2, ALPHA_ST_VOID, $3 # mash null rvalue to void
addq $3, $3, $3
s8addq $3, $1, $1 # 99f + stcode * 16
jmp $31, ($1), $st_int
.align 4
99:
E ALPHA_ST_VOID
ret
E ALPHA_ST_INT
$st_int:
stq $0, 0($2)
ret
E ALPHA_ST_FLOAT
sts $f0, 0($2)
ret
E ALPHA_ST_DOUBLE
stt $f0, 0($2)
ret
E ALPHA_ST_CPLXF
sts $f0, 0($2)
sts $f1, 4($2)
ret
E ALPHA_ST_CPLXD
stt $f0, 0($2)
stt $f1, 8($2)
ret
cfi_endproc
.end ffi_call_osf
/* ffi_closure_osf(...)
Receives the closure argument in $1. */
#define CLOSURE_FS (16*8)
.align 4
.globl ffi_go_closure_osf
.ent ffi_go_closure_osf
FFI_HIDDEN(ffi_go_closure_osf)
ffi_go_closure_osf:
cfi_startproc
ldgp $29, 0($27)
subq $30, CLOSURE_FS, $30
cfi_adjust_cfa_offset(CLOSURE_FS)
stq $26, 0($30)
.prologue 1
cfi_rel_offset($26, 0)
stq $16, 10*8($30)
stq $17, 11*8($30)
stq $18, 12*8($30)
ldq $16, 8($1) # load cif
ldq $17, 16($1) # load fun
mov $1, $18 # closure is user_data
br $do_closure
cfi_endproc
.end ffi_go_closure_osf
.align 4
.globl ffi_closure_osf
.ent ffi_closure_osf
FFI_HIDDEN(ffi_closure_osf)
ffi_closure_osf:
cfi_startproc
ldgp $29, 0($27)
subq $30, CLOSURE_FS, $30
cfi_adjust_cfa_offset(CLOSURE_FS)
stq $26, 0($30)
.prologue 1
cfi_rel_offset($26, 0)
# Store all of the potential argument registers in va_list format.
stq $16, 10*8($30)
stq $17, 11*8($30)
stq $18, 12*8($30)
ldq $16, 24($1) # load cif
ldq $17, 32($1) # load fun
ldq $18, 40($1) # load user_data
$do_closure:
stq $19, 13*8($30)
stq $20, 14*8($30)
stq $21, 15*8($30)
stt $f16, 4*8($30)
stt $f17, 5*8($30)
stt $f18, 6*8($30)
stt $f19, 7*8($30)
stt $f20, 8*8($30)
stt $f21, 9*8($30)
# Call ffi_closure_osf_inner to do the bulk of the work.
lda $19, 2*8($30)
lda $20, 10*8($30)
jsr $26, ffi_closure_osf_inner
0:
ldah $29, 0($26) !gpdisp!2
lda $2, 99f-0b($26)
s4addq $0, 0, $1 # ldcode * 4
ldq $0, 16($30) # preload return value
s4addq $1, $2, $1 # 99f + ldcode * 16
lda $29, 0($29) !gpdisp!2
ldq $26, 0($30)
cfi_restore($26)
jmp $31, ($1), $load_32
.macro epilogue
addq $30, CLOSURE_FS, $30
cfi_adjust_cfa_offset(-CLOSURE_FS)
ret
.align 4
cfi_adjust_cfa_offset(CLOSURE_FS)
.endm
.align 4
99:
E ALPHA_LD_VOID
epilogue
E ALPHA_LD_INT64
epilogue
E ALPHA_LD_INT32
$load_32:
sextl $0, $0
epilogue
E ALPHA_LD_UINT16
zapnot $0, 3, $0
epilogue
E ALPHA_LD_SINT16
#ifdef __alpha_bwx__
sextw $0, $0
#else
sll $0, 48, $0
sra $0, 48, $0
#endif
epilogue
E ALPHA_LD_UINT8
and $0, 0xff, $0
epilogue
E ALPHA_LD_SINT8
#ifdef __alpha_bwx__
sextb $0, $0
#else
sll $0, 56, $0
sra $0, 56, $0
#endif
epilogue
E ALPHA_LD_FLOAT
lds $f0, 16($sp)
epilogue
E ALPHA_LD_DOUBLE
ldt $f0, 16($sp)
epilogue
E ALPHA_LD_CPLXF
lds $f0, 16($sp)
lds $f1, 20($sp)
epilogue
E ALPHA_LD_CPLXD
ldt $f0, 16($sp)
ldt $f1, 24($sp)
epilogue
cfi_endproc
.end ffi_closure_osf
#if defined __ELF__ && defined __linux__
.section .note.GNU-stack,"",@progbits
#endif
src/arc/arcompact.S
+135
View File
@@ -0,0 +1,135 @@
/* -----------------------------------------------------------------------
arcompact.S - Copyright (c) 2013 Synposys, Inc. (www.synopsys.com)
ARCompact Foreign Function Interface
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
``Software''), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL RENESAS TECHNOLOGY BE LIABLE FOR ANY CLAIM, DAMAGES OR
OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------- */
#define LIBFFI_ASM
#include <fficonfig.h>
#include <ffi.h>
#ifdef HAVE_MACHINE_ASM_H
#include <machine/asm.h>
#else
#define CNAME(x) x
#define ENTRY(x) .globl CNAME(x)` .type CNAME(x),%function` CNAME(x):
#endif
.text
/* R0: ffi_prep_args */
/* R1: &ecif */
/* R2: cif->bytes */
/* R3: fig->flags */
/* R4: ecif.rvalue */
/* R5: fn */
ENTRY(ffi_call_ARCompact)
/* Save registers. */
st.a fp, [sp, -4] /* fp + 20, fp */
push_s blink /* fp + 16, blink */
st.a r4, [sp, -4] /* fp + 12, ecif.rvalue */
push_s r3 /* fp + 8, fig->flags */
st.a r5, [sp, -4] /* fp + 4, fn */
push_s r2 /* fp + 0, cif->bytes */
mov fp, sp
/* Make room for all of the new args. */
sub sp, sp, r2
/* Place all of the ffi_prep_args in position. */
/* ffi_prep_args(char *stack, extended_cif *ecif) */
/* R1 already set. */
/* And call. */
jl_s.d [r0]
mov_s r0, sp
ld.ab r12, [fp, 4] /* cif->bytes */
ld.ab r11, [fp, 4] /* fn */
/* Move first 8 parameters in registers... */
ld_s r0, [sp]
ld_s r1, [sp, 4]
ld_s r2, [sp, 8]
ld_s r3, [sp, 12]
ld r4, [sp, 16]
ld r5, [sp, 20]
ld r6, [sp, 24]
ld r7, [sp, 28]
/* ...and adjust the stack. */
min r12, r12, 32
/* Call the function. */
jl.d [r11]
add sp, sp, r12
mov sp, fp
pop_s r3 /* fig->flags, return type */
pop_s r2 /* ecif.rvalue, pointer for return value */
/* If the return value pointer is NULL, assume no return value. */
breq.d r2, 0, epilogue
pop_s blink
/* Return INT. */
brne r3, FFI_TYPE_INT, return_double
b.d epilogue
st_s r0, [r2]
return_double:
brne r3, FFI_TYPE_DOUBLE, epilogue
st_s r0, [r2]
st_s r1, [r2,4]
epilogue:
j_s.d [blink]
ld.ab fp, [sp, 4]
ENTRY(ffi_closure_ARCompact)
st.a r0, [sp, -32]
st_s r1, [sp, 4]
st_s r2, [sp, 8]
st_s r3, [sp, 12]
st r4, [sp, 16]
st r5, [sp, 20]
st r6, [sp, 24]
st r7, [sp, 28]
/* pointer to arguments */
mov_s r2, sp
/* return value goes here */
sub sp, sp, 8
mov_s r1, sp
push_s blink
bl.d ffi_closure_inner_ARCompact
mov_s r0, r8 /* codeloc, set by trampoline */
pop_s blink
/* set return value to r1:r0 */
pop_s r0
pop_s r1
j_s.d [blink]
add_s sp, sp, 32
src/arc/ffi.c
+266
View File
@@ -0,0 +1,266 @@
/* -----------------------------------------------------------------------
ffi.c - Copyright (c) 2013 Synopsys, Inc. (www.synopsys.com)
ARC Foreign Function Interface
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
``Software''), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL RENESAS TECHNOLOGY BE LIABLE FOR ANY CLAIM, DAMAGES OR
OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------- */
#include <ffi.h>
#include <ffi_common.h>
#include <stdlib.h>
#include <stdint.h>
#include <sys/cachectl.h>
/* for little endian ARC, the code is in fact stored as mixed endian for
performance reasons */
#if __BIG_ENDIAN__
#define CODE_ENDIAN(x) (x)
#else
#define CODE_ENDIAN(x) ( (((uint32_t) (x)) << 16) | (((uint32_t) (x)) >> 16))
#endif
/* ffi_prep_args is called by the assembly routine once stack
space has been allocated for the function's arguments. */
void
ffi_prep_args (char *stack, extended_cif * ecif)
{
unsigned int i;
void **p_argv;
char *argp;
ffi_type **p_arg;
argp = stack;
if (ecif->cif->rtype->type == FFI_TYPE_STRUCT)
{
*(void **) argp = ecif->rvalue;
argp += 4;
}
p_argv = ecif->avalue;
for (i = ecif->cif->nargs, p_arg = ecif->cif->arg_types;
(i != 0); i--, p_arg++)
{
size_t z;
int alignment;
/* align alignment to 4 */
alignment = (((*p_arg)->alignment - 1) | 3) + 1;
/* Align if necessary. */
if ((alignment - 1) & (unsigned) argp)
argp = (char *) FFI_ALIGN (argp, alignment);
z = (*p_arg)->size;
if (z < sizeof (int))
{
z = sizeof (int);
switch ((*p_arg)->type)
{
case FFI_TYPE_SINT8:
*(signed int *) argp = (signed int) *(SINT8 *) (*p_argv);
break;
case FFI_TYPE_UINT8:
*(unsigned int *) argp = (unsigned int) *(UINT8 *) (*p_argv);
break;
case FFI_TYPE_SINT16:
*(signed int *) argp = (signed int) *(SINT16 *) (*p_argv);
break;
case FFI_TYPE_UINT16:
*(unsigned int *) argp = (unsigned int) *(UINT16 *) (*p_argv);
break;
case FFI_TYPE_STRUCT:
memcpy (argp, *p_argv, (*p_arg)->size);
break;
default:
FFI_ASSERT (0);
}
}
else if (z == sizeof (int))
{
*(unsigned int *) argp = (unsigned int) *(UINT32 *) (*p_argv);
}
else
{
if ((*p_arg)->type == FFI_TYPE_STRUCT)
{
memcpy (argp, *p_argv, z);
}
else
{
/* Double or long long 64bit. */
memcpy (argp, *p_argv, z);
}
}
p_argv++;
argp += z;
}
return;
}
/* Perform machine dependent cif processing. */
ffi_status
ffi_prep_cif_machdep (ffi_cif * cif)
{
/* Set the return type flag. */
switch (cif->rtype->type)
{
case FFI_TYPE_VOID:
cif->flags = (unsigned) cif->rtype->type;
break;
case FFI_TYPE_STRUCT:
cif->flags = (unsigned) cif->rtype->type;
break;
case FFI_TYPE_SINT64:
case FFI_TYPE_UINT64:
case FFI_TYPE_DOUBLE:
cif->flags = FFI_TYPE_DOUBLE;
break;
case FFI_TYPE_FLOAT:
default:
cif->flags = FFI_TYPE_INT;
break;
}
return FFI_OK;
}
extern void ffi_call_ARCompact (void (*)(char *, extended_cif *),
extended_cif *, unsigned, unsigned,
unsigned *, void (*fn) (void));
void
ffi_call (ffi_cif * cif, void (*fn) (void), void *rvalue, void **avalue)
{
extended_cif ecif;
ecif.cif = cif;
ecif.avalue = avalue;
/* If the return value is a struct and we don't have
a return value address then we need to make one. */
if ((rvalue == NULL) && (cif->rtype->type == FFI_TYPE_STRUCT))
{
ecif.rvalue = alloca (cif->rtype->size);
}
else
ecif.rvalue = rvalue;
switch (cif->abi)
{
case FFI_ARCOMPACT:
ffi_call_ARCompact (ffi_prep_args, &ecif, cif->bytes,
cif->flags, ecif.rvalue, fn);
break;
default:
FFI_ASSERT (0);
break;
}
}
int
ffi_closure_inner_ARCompact (ffi_closure * closure, void *rvalue,
ffi_arg * args)
{
void **arg_area, **p_argv;
ffi_cif *cif = closure->cif;
char *argp = (char *) args;
ffi_type **p_argt;
int i;
arg_area = (void **) alloca (cif->nargs * sizeof (void *));
/* handle hidden argument */
if (cif->flags == FFI_TYPE_STRUCT)
{
rvalue = *(void **) argp;
argp += 4;
}
p_argv = arg_area;
for (i = 0, p_argt = cif->arg_types; i < cif->nargs;
i++, p_argt++, p_argv++)
{
size_t z;
int alignment;
/* align alignment to 4 */
alignment = (((*p_argt)->alignment - 1) | 3) + 1;
/* Align if necessary. */
if ((alignment - 1) & (unsigned) argp)
argp = (char *) FFI_ALIGN (argp, alignment);
z = (*p_argt)->size;
*p_argv = (void *) argp;
argp += z;
}
(closure->fun) (cif, rvalue, arg_area, closure->user_data);
return cif->flags;
}
extern void ffi_closure_ARCompact (void);
ffi_status
ffi_prep_closure_loc (ffi_closure * closure, ffi_cif * cif,
void (*fun) (ffi_cif *, void *, void **, void *),
void *user_data, void *codeloc)
{
uint32_t *tramp = (uint32_t *) & (closure->tramp[0]);
switch (cif->abi)
{
case FFI_ARCOMPACT:
FFI_ASSERT (tramp == codeloc);
tramp[0] = CODE_ENDIAN (0x200a1fc0); /* mov r8, pcl */
tramp[1] = CODE_ENDIAN (0x20200f80); /* j [long imm] */
tramp[2] = CODE_ENDIAN (ffi_closure_ARCompact);
break;
default:
return FFI_BAD_ABI;
}
closure->cif = cif;
closure->fun = fun;
closure->user_data = user_data;
cacheflush (codeloc, FFI_TRAMPOLINE_SIZE, BCACHE);
return FFI_OK;
}
src/arc/ffitarget.h
+53
View File
@@ -0,0 +1,53 @@
/* -----------------------------------------------------------------------
ffitarget.h - Copyright (c) 2012 Anthony Green
Copyright (c) 2013 Synopsys, Inc. (www.synopsys.com)
Target configuration macros for ARC.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
``Software''), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL RENESAS TECHNOLOGY BE LIABLE FOR ANY CLAIM, DAMAGES OR
OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------- */
#ifndef LIBFFI_TARGET_H
#define LIBFFI_TARGET_H
#ifndef LIBFFI_H
#error "Please do not include ffitarget.h directly into your source. Use ffi.h instead."
#endif
/* ---- Generic type definitions ----------------------------------------- */
#ifndef LIBFFI_ASM
typedef unsigned long ffi_arg;
typedef signed long ffi_sarg;
typedef enum ffi_abi
{
FFI_FIRST_ABI = 0,
FFI_ARCOMPACT,
FFI_LAST_ABI,
FFI_DEFAULT_ABI = FFI_ARCOMPACT
} ffi_abi;
#endif
#define FFI_CLOSURES 1
#define FFI_TRAMPOLINE_SIZE 12
#define FFI_NATIVE_RAW_API 0
#endif
src/arm/ffi.c
+854
View File
@@ -0,0 +1,854 @@
/* -----------------------------------------------------------------------
ffi.c - Copyright (c) 2011 Timothy Wall
Copyright (c) 2011 Plausible Labs Cooperative, Inc.
Copyright (c) 2011 Anthony Green
Copyright (c) 2011 Free Software Foundation
Copyright (c) 1998, 2008, 2011 Red Hat, Inc.
ARM Foreign Function Interface
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
``Software''), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------- */
#if defined(__arm__) || defined(_M_ARM)
#include <fficonfig.h>
#include <ffi.h>
#include <ffi_common.h>
#include <stdint.h>
#include <stdlib.h>
#include "internal.h"
#if defined(_MSC_VER) && defined(_M_ARM)
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#endif
#if FFI_EXEC_TRAMPOLINE_TABLE
#ifdef __MACH__
#include <mach/machine/vm_param.h>
#endif
#else
#ifndef _M_ARM
extern unsigned int ffi_arm_trampoline[2] FFI_HIDDEN;
#else
extern unsigned int ffi_arm_trampoline[3] FFI_HIDDEN;
#endif
#endif
/* Forward declares. */
static int vfp_type_p (const ffi_type *);
static void layout_vfp_args (ffi_cif *);
static void *
ffi_align (ffi_type *ty, void *p)
{
/* Align if necessary */
size_t alignment;
#ifdef _WIN32_WCE
alignment = 4;
#else
alignment = ty->alignment;
if (alignment < 4)
alignment = 4;
#endif
return (void *) FFI_ALIGN (p, alignment);
}
static size_t
ffi_put_arg (ffi_type *ty, void *src, void *dst)
{
size_t z = ty->size;
switch (ty->type)
{
case FFI_TYPE_SINT8:
*(UINT32 *)dst = *(SINT8 *)src;
break;
case FFI_TYPE_UINT8:
*(UINT32 *)dst = *(UINT8 *)src;
break;
case FFI_TYPE_SINT16:
*(UINT32 *)dst = *(SINT16 *)src;
break;
case FFI_TYPE_UINT16:
*(UINT32 *)dst = *(UINT16 *)src;
break;
case FFI_TYPE_INT:
case FFI_TYPE_SINT32:
case FFI_TYPE_UINT32:
case FFI_TYPE_POINTER:
#ifndef _MSC_VER
case FFI_TYPE_FLOAT:
#endif
*(UINT32 *)dst = *(UINT32 *)src;
break;
#ifdef _MSC_VER
// casting a float* to a UINT32* doesn't work on Windows
case FFI_TYPE_FLOAT:
*(uintptr_t *)dst = 0;
*(float *)dst = *(float *)src;
break;
#endif
case FFI_TYPE_SINT64:
case FFI_TYPE_UINT64:
case FFI_TYPE_DOUBLE:
*(UINT64 *)dst = *(UINT64 *)src;
break;
case FFI_TYPE_STRUCT:
case FFI_TYPE_COMPLEX:
memcpy (dst, src, z);
break;
default:
abort();
}
return FFI_ALIGN (z, 4);
}
/* ffi_prep_args is called once stack space has been allocated
for the function's arguments.
The vfp_space parameter is the load area for VFP regs, the return
value is cif->vfp_used (word bitset of VFP regs used for passing
arguments). These are only used for the VFP hard-float ABI.
*/
static void
ffi_prep_args_SYSV (ffi_cif *cif, int flags, void *rvalue,
void **avalue, char *argp)
{
ffi_type **arg_types = cif->arg_types;
int i, n;
if (flags == ARM_TYPE_STRUCT)
{
*(void **) argp = rvalue;
argp += 4;
}
for (i = 0, n = cif->nargs; i < n; i++)
{
ffi_type *ty = arg_types[i];
argp = ffi_align (ty, argp);
argp += ffi_put_arg (ty, avalue[i], argp);
}
}
static void
ffi_prep_args_VFP (ffi_cif *cif, int flags, void *rvalue,
void **avalue, char *stack, char *vfp_space)
{
ffi_type **arg_types = cif->arg_types;
int i, n, vi = 0;
char *argp, *regp, *eo_regp;
char stack_used = 0;
char done_with_regs = 0;
/* The first 4 words on the stack are used for values
passed in core registers. */
regp = stack;
eo_regp = argp = regp + 16;
/* If the function returns an FFI_TYPE_STRUCT in memory,
that address is passed in r0 to the function. */
if (flags == ARM_TYPE_STRUCT)
{
*(void **) regp = rvalue;
regp += 4;
}
for (i = 0, n = cif->nargs; i < n; i++)
{
ffi_type *ty = arg_types[i];
void *a = avalue[i];
int is_vfp_type = vfp_type_p (ty);
/* Allocated in VFP registers. */
if (vi < cif->vfp_nargs && is_vfp_type)
{
char *vfp_slot = vfp_space + cif->vfp_args[vi++] * 4;
ffi_put_arg (ty, a, vfp_slot);
continue;
}
/* Try allocating in core registers. */
else if (!done_with_regs && !is_vfp_type)
{
char *tregp = ffi_align (ty, regp);
size_t size = ty->size;
size = (size < 4) ? 4 : size; // pad
/* Check if there is space left in the aligned register
area to place the argument. */
if (tregp + size <= eo_regp)
{
regp = tregp + ffi_put_arg (ty, a, tregp);
done_with_regs = (regp == argp);
// ensure we did not write into the stack area
FFI_ASSERT (regp <= argp);
continue;
}
/* In case there are no arguments in the stack area yet,
the argument is passed in the remaining core registers
and on the stack. */
else if (!stack_used)
{
stack_used = 1;
done_with_regs = 1;
argp = tregp + ffi_put_arg (ty, a, tregp);
FFI_ASSERT (eo_regp < argp);
continue;
}
}
/* Base case, arguments are passed on the stack */
stack_used = 1;
argp = ffi_align (ty, argp);
argp += ffi_put_arg (ty, a, argp);
}
}
/* Perform machine dependent cif processing */
ffi_status FFI_HIDDEN
ffi_prep_cif_machdep (ffi_cif *cif)
{
int flags = 0, cabi = cif->abi;
size_t bytes = cif->bytes;
/* Map out the register placements of VFP register args. The VFP
hard-float calling conventions are slightly more sophisticated
than the base calling conventions, so we do it here instead of
in ffi_prep_args(). */
if (cabi == FFI_VFP)
layout_vfp_args (cif);
/* Set the return type flag */
switch (cif->rtype->type)
{
case FFI_TYPE_VOID:
flags = ARM_TYPE_VOID;
break;
case FFI_TYPE_INT:
case FFI_TYPE_UINT8:
case FFI_TYPE_SINT8:
case FFI_TYPE_UINT16:
case FFI_TYPE_SINT16:
case FFI_TYPE_UINT32:
case FFI_TYPE_SINT32:
case FFI_TYPE_POINTER:
flags = ARM_TYPE_INT;
break;
case FFI_TYPE_SINT64:
case FFI_TYPE_UINT64:
flags = ARM_TYPE_INT64;
break;
case FFI_TYPE_FLOAT:
flags = (cabi == FFI_VFP ? ARM_TYPE_VFP_S : ARM_TYPE_INT);
break;
case FFI_TYPE_DOUBLE:
flags = (cabi == FFI_VFP ? ARM_TYPE_VFP_D : ARM_TYPE_INT64);
break;
case FFI_TYPE_STRUCT:
case FFI_TYPE_COMPLEX:
if (cabi == FFI_VFP)
{
int h = vfp_type_p (cif->rtype);
flags = ARM_TYPE_VFP_N;
if (h == 0x100 + FFI_TYPE_FLOAT)
flags = ARM_TYPE_VFP_S;
if (h == 0x100 + FFI_TYPE_DOUBLE)
flags = ARM_TYPE_VFP_D;
if (h != 0)
break;
}
/* A Composite Type not larger than 4 bytes is returned in r0.
A Composite Type larger than 4 bytes, or whose size cannot
be determined statically ... is stored in memory at an
address passed [in r0]. */
if (cif->rtype->size <= 4)
flags = ARM_TYPE_INT;
else
{
flags = ARM_TYPE_STRUCT;
bytes += 4;
}
break;
default:
abort();
}
/* Round the stack up to a multiple of 8 bytes. This isn't needed
everywhere, but it is on some platforms, and it doesn't harm anything
when it isn't needed. */
bytes = FFI_ALIGN (bytes, 8);
/* Minimum stack space is the 4 register arguments that we pop. */
if (bytes < 4*4)
bytes = 4*4;
cif->bytes = bytes;
cif->flags = flags;
return FFI_OK;
}
/* Perform machine dependent cif processing for variadic calls */
ffi_status FFI_HIDDEN
ffi_prep_cif_machdep_var (ffi_cif * cif,
unsigned int nfixedargs, unsigned int ntotalargs)
{
/* VFP variadic calls actually use the SYSV ABI */
if (cif->abi == FFI_VFP)
cif->abi = FFI_SYSV;
return ffi_prep_cif_machdep (cif);
}
/* Prototypes for assembly functions, in sysv.S. */
struct call_frame
{
void *fp;
void *lr;
void *rvalue;
int flags;
void *closure;
};
extern void ffi_call_SYSV (void *stack, struct call_frame *,
void (*fn) (void)) FFI_HIDDEN;
extern void ffi_call_VFP (void *vfp_space, struct call_frame *,
void (*fn) (void), unsigned vfp_used) FFI_HIDDEN;
static void
ffi_call_int (ffi_cif * cif, void (*fn) (void), void *rvalue,
void **avalue, void *closure)
{
int flags = cif->flags;
ffi_type *rtype = cif->rtype;
size_t bytes, rsize, vfp_size;
char *stack, *vfp_space, *new_rvalue;
struct call_frame *frame;
rsize = 0;
if (rvalue == NULL)
{
/* If the return value is a struct and we don't have a return
value address then we need to make one. Otherwise the return
value is in registers and we can ignore them. */
if (flags == ARM_TYPE_STRUCT)
rsize = rtype->size;
else
flags = ARM_TYPE_VOID;
}
else if (flags == ARM_TYPE_VFP_N)
{
/* Largest case is double x 4. */
rsize = 32;
}
else if (flags == ARM_TYPE_INT && rtype->type == FFI_TYPE_STRUCT)
rsize = 4;
/* Largest case. */
vfp_size = (cif->abi == FFI_VFP && cif->vfp_used ? 8*8: 0);
bytes = cif->bytes;
stack = alloca (vfp_size + bytes + sizeof(struct call_frame) + rsize);
vfp_space = NULL;
if (vfp_size)
{
vfp_space = stack;
stack += vfp_size;
}
frame = (struct call_frame *)(stack + bytes);
new_rvalue = rvalue;
if (rsize)
new_rvalue = (void *)(frame + 1);
frame->rvalue = new_rvalue;
frame->flags = flags;
frame->closure = closure;
if (vfp_space)
{
ffi_prep_args_VFP (cif, flags, new_rvalue, avalue, stack, vfp_space);
ffi_call_VFP (vfp_space, frame, fn, cif->vfp_used);
}
else
{
ffi_prep_args_SYSV (cif, flags, new_rvalue, avalue, stack);
ffi_call_SYSV (stack, frame, fn);
}
if (rvalue && rvalue != new_rvalue)
memcpy (rvalue, new_rvalue, rtype->size);
}
void
ffi_call (ffi_cif *cif, void (*fn) (void), void *rvalue, void **avalue)
{
ffi_call_int (cif, fn, rvalue, avalue, NULL);
}
void
ffi_call_go (ffi_cif *cif, void (*fn) (void), void *rvalue,
void **avalue, void *closure)
{
ffi_call_int (cif, fn, rvalue, avalue, closure);
}
static void *
ffi_prep_incoming_args_SYSV (ffi_cif *cif, void *rvalue,
char *argp, void **avalue)
{
ffi_type **arg_types = cif->arg_types;
int i, n;
if (cif->flags == ARM_TYPE_STRUCT)
{
rvalue = *(void **) argp;
argp += 4;
}
else
{
if (cif->rtype->size && cif->rtype->size < 4)
*(uint32_t *) rvalue = 0;
}
for (i = 0, n = cif->nargs; i < n; i++)
{
ffi_type *ty = arg_types[i];
size_t z = ty->size;
argp = ffi_align (ty, argp);
avalue[i] = (void *) argp;
argp += z;
}
return rvalue;
}
static void *
ffi_prep_incoming_args_VFP (ffi_cif *cif, void *rvalue, char *stack,
char *vfp_space, void **avalue)
{
ffi_type **arg_types = cif->arg_types;
int i, n, vi = 0;
char *argp, *regp, *eo_regp;
char done_with_regs = 0;
char stack_used = 0;
regp = stack;
eo_regp = argp = regp + 16;
if (cif->flags == ARM_TYPE_STRUCT)
{
rvalue = *(void **) regp;
regp += 4;
}
for (i = 0, n = cif->nargs; i < n; i++)
{
ffi_type *ty = arg_types[i];
int is_vfp_type = vfp_type_p (ty);
size_t z = ty->size;
if (vi < cif->vfp_nargs && is_vfp_type)
{
avalue[i] = vfp_space + cif->vfp_args[vi++] * 4;
continue;
}
else if (!done_with_regs && !is_vfp_type)
{
char *tregp = ffi_align (ty, regp);
z = (z < 4) ? 4 : z; // pad
/* If the arguments either fits into the registers or uses registers
and stack, while we haven't read other things from the stack */
if (tregp + z <= eo_regp || !stack_used)
{
/* Because we're little endian, this is what it turns into. */
avalue[i] = (void *) tregp;
regp = tregp + z;
/* If we read past the last core register, make sure we
have not read from the stack before and continue
reading after regp. */
if (regp > eo_regp)
{
FFI_ASSERT (!stack_used);
argp = regp;
}
if (regp >= eo_regp)
{
done_with_regs = 1;
stack_used = 1;
}
continue;
}
}
stack_used = 1;
argp = ffi_align (ty, argp);
avalue[i] = (void *) argp;
argp += z;
}
return rvalue;
}
struct closure_frame
{
char vfp_space[8*8] __attribute__((aligned(8)));
char result[8*4];
char argp[];
};
int FFI_HIDDEN
ffi_closure_inner_SYSV (ffi_cif *cif,
void (*fun) (ffi_cif *, void *, void **, void *),
void *user_data,
struct closure_frame *frame)
{
void **avalue = (void **) alloca (cif->nargs * sizeof (void *));
void *rvalue = ffi_prep_incoming_args_SYSV (cif, frame->result,
frame->argp, avalue);
fun (cif, rvalue, avalue, user_data);
return cif->flags;
}
int FFI_HIDDEN
ffi_closure_inner_VFP (ffi_cif *cif,
void (*fun) (ffi_cif *, void *, void **, void *),
void *user_data,
struct closure_frame *frame)
{
void **avalue = (void **) alloca (cif->nargs * sizeof (void *));
void *rvalue = ffi_prep_incoming_args_VFP (cif, frame->result, frame->argp,
frame->vfp_space, avalue);
fun (cif, rvalue, avalue, user_data);
return cif->flags;
}
void ffi_closure_SYSV (void) FFI_HIDDEN;
void ffi_closure_VFP (void) FFI_HIDDEN;
void ffi_go_closure_SYSV (void) FFI_HIDDEN;
void ffi_go_closure_VFP (void) FFI_HIDDEN;
/* the cif must already be prep'ed */
ffi_status
ffi_prep_closure_loc (ffi_closure * closure,
ffi_cif * cif,
void (*fun) (ffi_cif *, void *, void **, void *),
void *user_data, void *codeloc)
{
void (*closure_func) (void) = ffi_closure_SYSV;
if (cif->abi == FFI_VFP)
{
/* We only need take the vfp path if there are vfp arguments. */
if (cif->vfp_used)
closure_func = ffi_closure_VFP;
}
else if (cif->abi != FFI_SYSV)
return FFI_BAD_ABI;
#if FFI_EXEC_TRAMPOLINE_TABLE
void **config = (void **)((uint8_t *)codeloc - PAGE_MAX_SIZE);
config[0] = closure;
config[1] = closure_func;
#else
#ifndef _M_ARM
memcpy(closure->tramp, ffi_arm_trampoline, 8);
#else
// cast away function type so MSVC doesn't set the lower bit of the function pointer
memcpy(closure->tramp, (void*)((uintptr_t)ffi_arm_trampoline & 0xFFFFFFFE), FFI_TRAMPOLINE_CLOSURE_OFFSET);
#endif
#if defined (__QNX__)
msync(closure->tramp, 8, 0x1000000); /* clear data map */
msync(codeloc, 8, 0x1000000); /* clear insn map */
#elif defined(_MSC_VER)
FlushInstructionCache(GetCurrentProcess(), closure->tramp, FFI_TRAMPOLINE_SIZE);
#else
__clear_cache(closure->tramp, closure->tramp + 8); /* clear data map */
__clear_cache(codeloc, codeloc + 8); /* clear insn map */
#endif
#ifdef _M_ARM
*(void(**)(void))(closure->tramp + FFI_TRAMPOLINE_CLOSURE_FUNCTION) = closure_func;
#else
*(void (**)(void))(closure->tramp + 8) = closure_func;
#endif
#endif
closure->cif = cif;
closure->fun = fun;
closure->user_data = user_data;
return FFI_OK;
}
ffi_status
ffi_prep_go_closure (ffi_go_closure *closure, ffi_cif *cif,
void (*fun) (ffi_cif *, void *, void **, void *))
{
void (*closure_func) (void) = ffi_go_closure_SYSV;
if (cif->abi == FFI_VFP)
{
/* We only need take the vfp path if there are vfp arguments. */
if (cif->vfp_used)
closure_func = ffi_go_closure_VFP;
}
else if (cif->abi != FFI_SYSV)
return FFI_BAD_ABI;
closure->tramp = closure_func;
closure->cif = cif;
closure->fun = fun;
return FFI_OK;
}
/* Below are routines for VFP hard-float support. */
/* A subroutine of vfp_type_p. Given a structure type, return the type code
of the first non-structure element. Recurse for structure elements.
Return -1 if the structure is in fact empty, i.e. no nested elements. */
static int
is_hfa0 (const ffi_type *ty)
{
ffi_type **elements = ty->elements;
int i, ret = -1;
if (elements != NULL)
for (i = 0; elements[i]; ++i)
{
ret = elements[i]->type;
if (ret == FFI_TYPE_STRUCT || ret == FFI_TYPE_COMPLEX)
{
ret = is_hfa0 (elements[i]);
if (ret < 0)
continue;
}
break;
}
return ret;
}
/* A subroutine of vfp_type_p. Given a structure type, return true if all
of the non-structure elements are the same as CANDIDATE. */
static int
is_hfa1 (const ffi_type *ty, int candidate)
{
ffi_type **elements = ty->elements;
int i;
if (elements != NULL)
for (i = 0; elements[i]; ++i)
{
int t = elements[i]->type;
if (t == FFI_TYPE_STRUCT || t == FFI_TYPE_COMPLEX)
{
if (!is_hfa1 (elements[i], candidate))
return 0;
}
else if (t != candidate)
return 0;
}
return 1;
}
/* Determine if TY is an homogenous floating point aggregate (HFA).
That is, a structure consisting of 1 to 4 members of all the same type,
where that type is a floating point scalar.
Returns non-zero iff TY is an HFA. The result is an encoded value where
bits 0-7 contain the type code, and bits 8-10 contain the element count. */
static int
vfp_type_p (const ffi_type *ty)
{
ffi_type **elements;
int candidate, i;
size_t size, ele_count;
/* Quickest tests first. */
candidate = ty->type;
switch (ty->type)
{
default:
return 0;
case FFI_TYPE_FLOAT:
case FFI_TYPE_DOUBLE:
ele_count = 1;
goto done;
case FFI_TYPE_COMPLEX:
candidate = ty->elements[0]->type;
if (candidate != FFI_TYPE_FLOAT && candidate != FFI_TYPE_DOUBLE)
return 0;
ele_count = 2;
goto done;
case FFI_TYPE_STRUCT:
break;
}
/* No HFA types are smaller than 4 bytes, or larger than 32 bytes. */
size = ty->size;
if (size < 4 || size > 32)
return 0;
/* Find the type of the first non-structure member. */
elements = ty->elements;
candidate = elements[0]->type;
if (candidate == FFI_TYPE_STRUCT || candidate == FFI_TYPE_COMPLEX)
{
for (i = 0; ; ++i)
{
candidate = is_hfa0 (elements[i]);
if (candidate >= 0)
break;
}
}
/* If the first member is not a floating point type, it's not an HFA.
Also quickly re-check the size of the structure. */
switch (candidate)
{
case FFI_TYPE_FLOAT:
ele_count = size / sizeof(float);
if (size != ele_count * sizeof(float))
return 0;
break;
case FFI_TYPE_DOUBLE:
ele_count = size / sizeof(double);
if (size != ele_count * sizeof(double))
return 0;
break;
default:
return 0;
}
if (ele_count > 4)
return 0;
/* Finally, make sure that all scalar elements are the same type. */
for (i = 0; elements[i]; ++i)
{
int t = elements[i]->type;
if (t == FFI_TYPE_STRUCT || t == FFI_TYPE_COMPLEX)
{
if (!is_hfa1 (elements[i], candidate))
return 0;
}
else if (t != candidate)
return 0;
}
/* All tests succeeded. Encode the result. */
done:
return (ele_count << 8) | candidate;
}
static int
place_vfp_arg (ffi_cif *cif, int h)
{
unsigned short reg = cif->vfp_reg_free;
int align = 1, nregs = h >> 8;
if ((h & 0xff) == FFI_TYPE_DOUBLE)
align = 2, nregs *= 2;
/* Align register number. */
if ((reg & 1) && align == 2)
reg++;
while (reg + nregs <= 16)
{
int s, new_used = 0;
for (s = reg; s < reg + nregs; s++)
{
new_used |= (1 << s);
if (cif->vfp_used & (1 << s))
{
reg += align;
goto next_reg;
}
}
/* Found regs to allocate. */
cif->vfp_used |= new_used;
cif->vfp_args[cif->vfp_nargs++] = (signed char)reg;
/* Update vfp_reg_free. */
if (cif->vfp_used & (1 << cif->vfp_reg_free))
{
reg += nregs;
while (cif->vfp_used & (1 << reg))
reg += 1;
cif->vfp_reg_free = reg;
}
return 0;
next_reg:;
}
// done, mark all regs as used
cif->vfp_reg_free = 16;
cif->vfp_used = 0xFFFF;
return 1;
}
static void
layout_vfp_args (ffi_cif * cif)
{
unsigned int i;
/* Init VFP fields */
cif->vfp_used = 0;
cif->vfp_nargs = 0;
cif->vfp_reg_free = 0;
memset (cif->vfp_args, -1, 16); /* Init to -1. */
for (i = 0; i < cif->nargs; i++)
{
int h = vfp_type_p (cif->arg_types[i]);
if (h && place_vfp_arg (cif, h) == 1)
break;
}
}
#endif /* __arm__ or _M_ARM */
src/arm/ffitarget.h
+89
View File
@@ -0,0 +1,89 @@
/* -----------------------------------------------------------------*-C-*-
ffitarget.h - Copyright (c) 2012 Anthony Green
Copyright (c) 2010 CodeSourcery
Copyright (c) 1996-2003 Red Hat, Inc.
Target configuration macros for ARM.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
``Software''), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------- */
#ifndef LIBFFI_TARGET_H
#define LIBFFI_TARGET_H
#ifndef LIBFFI_H
#error "Please do not include ffitarget.h directly into your source. Use ffi.h instead."
#endif
#ifndef LIBFFI_ASM
typedef unsigned long ffi_arg;
typedef signed long ffi_sarg;
typedef enum ffi_abi {
FFI_FIRST_ABI = 0,
FFI_SYSV,
FFI_VFP,
FFI_LAST_ABI,
#if defined(__ARM_PCS_VFP) || defined(_M_ARM)
FFI_DEFAULT_ABI = FFI_VFP,
#else
FFI_DEFAULT_ABI = FFI_SYSV,
#endif
} ffi_abi;
#endif
#define FFI_EXTRA_CIF_FIELDS \
int vfp_used; \
unsigned short vfp_reg_free, vfp_nargs; \
signed char vfp_args[16] \
#define FFI_TARGET_SPECIFIC_VARIADIC
#ifndef _M_ARM
#define FFI_TARGET_HAS_COMPLEX_TYPE
#endif
/* ---- Definitions for closures ----------------------------------------- */
#define FFI_CLOSURES 1
#define FFI_GO_CLOSURES 1
#define FFI_NATIVE_RAW_API 0
#if defined (FFI_EXEC_TRAMPOLINE_TABLE) && FFI_EXEC_TRAMPOLINE_TABLE
#ifdef __MACH__
#define FFI_TRAMPOLINE_SIZE 12
#define FFI_TRAMPOLINE_CLOSURE_OFFSET 8
#else
#error "No trampoline table implementation"
#endif
#else
#ifdef _MSC_VER
#define FFI_TRAMPOLINE_SIZE 16
#define FFI_TRAMPOLINE_CLOSURE_FUNCTION 12
#else
#define FFI_TRAMPOLINE_SIZE 12
#endif
#define FFI_TRAMPOLINE_CLOSURE_OFFSET FFI_TRAMPOLINE_SIZE
#endif
#endif
src/arm/internal.h
+7
View File
@@ -0,0 +1,7 @@
#define ARM_TYPE_VFP_S 0
#define ARM_TYPE_VFP_D 1
#define ARM_TYPE_VFP_N 2
#define ARM_TYPE_INT64 3
#define ARM_TYPE_INT 4
#define ARM_TYPE_VOID 5
#define ARM_TYPE_STRUCT 6
src/arm/sysv.S
+385
View File
@@ -0,0 +1,385 @@
/* -----------------------------------------------------------------------
sysv.S - Copyright (c) 1998, 2008, 2011 Red Hat, Inc.
Copyright (c) 2011 Plausible Labs Cooperative, Inc.
ARM Foreign Function Interface
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
``Software''), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------- */
#ifdef __arm__
#define LIBFFI_ASM
#include <fficonfig.h>
#include <ffi.h>
#include <ffi_cfi.h>
#include "internal.h"
/* GCC 4.8 provides __ARM_ARCH; construct it otherwise. */
#ifndef __ARM_ARCH
# if defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) \
|| defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__) \
|| defined(__ARM_ARCH_7EM__)
# define __ARM_ARCH 7
# elif defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) \
|| defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6Z__) \
|| defined(__ARM_ARCH_6ZK__) || defined(__ARM_ARCH_6T2__) \
|| defined(__ARM_ARCH_6M__)
# define __ARM_ARCH 6
# elif defined(__ARM_ARCH_5__) || defined(__ARM_ARCH_5T__) \
|| defined(__ARM_ARCH_5E__) || defined(__ARM_ARCH_5TE__) \
|| defined(__ARM_ARCH_5TEJ__)
# define __ARM_ARCH 5
# else
# define __ARM_ARCH 4
# endif
#endif
/* Conditionally compile unwinder directives. */
#ifdef __ARM_EABI__
# define UNWIND(...) __VA_ARGS__
#else
# define UNWIND(...)
#endif
#if defined(HAVE_AS_CFI_PSEUDO_OP) && defined(__ARM_EABI__)
.cfi_sections .debug_frame
#endif
#define CONCAT(a, b) CONCAT2(a, b)
#define CONCAT2(a, b) a ## b
#ifdef __USER_LABEL_PREFIX__
# define CNAME(X) CONCAT (__USER_LABEL_PREFIX__, X)
#else
# define CNAME(X) X
#endif
#ifdef __ELF__
# define SIZE(X) .size CNAME(X), . - CNAME(X)
# define TYPE(X, Y) .type CNAME(X), Y
#else
# define SIZE(X)
# define TYPE(X, Y)
#endif
#define ARM_FUNC_START_LOCAL(name) \
.align 3; \
TYPE(CNAME(name), %function); \
CNAME(name):
#define ARM_FUNC_START(name) \
.globl CNAME(name); \
FFI_HIDDEN(CNAME(name)); \
ARM_FUNC_START_LOCAL(name)
#define ARM_FUNC_END(name) \
SIZE(name)
/* Aid in defining a jump table with 8 bytes between entries. */
/* ??? The clang assembler doesn't handle .if with symbolic expressions. */
#ifdef __clang__
# define E(index)
#else
# define E(index) \
.if . - 0b - 8*index; \
.error "type table out of sync"; \
.endif
#endif
.text
.syntax unified
.arm
#ifndef __clang__
/* We require interworking on LDM, which implies ARMv5T,
which implies the existance of BLX. */
.arch armv5t
#endif
/* Note that we use STC and LDC to encode VFP instructions,
so that we do not need ".fpu vfp", nor get that added to
the object file attributes. These will not be executed
unless the FFI_VFP abi is used. */
@ r0: stack
@ r1: frame
@ r2: fn
@ r3: vfp_used
ARM_FUNC_START(ffi_call_VFP)
UNWIND(.fnstart)
cfi_startproc
cmp r3, #3 @ load only d0 if possible
#ifdef __clang__
vldrle d0, [sp]
vldmgt sp, {d0-d7}
#else
ldcle p11, cr0, [r0] @ vldrle d0, [sp]
ldcgt p11, cr0, [r0], {16} @ vldmgt sp, {d0-d7}
#endif
add r0, r0, #64 @ discard the vfp register args
/* FALLTHRU */
ARM_FUNC_END(ffi_call_VFP)
ARM_FUNC_START(ffi_call_SYSV)
stm r1, {fp, lr}
mov fp, r1
@ This is a bit of a lie wrt the origin of the unwind info, but
@ now we've got the usual frame pointer and two saved registers.
UNWIND(.save {fp,lr})
UNWIND(.setfp fp, sp)
cfi_def_cfa(fp, 8)
cfi_rel_offset(fp, 0)
cfi_rel_offset(lr, 4)
mov sp, r0 @ install the stack pointer
mov lr, r2 @ move the fn pointer out of the way
ldr ip, [fp, #16] @ install the static chain
ldmia sp!, {r0-r3} @ move first 4 parameters in registers.
blx lr @ call fn
@ Load r2 with the pointer to storage for the return value
@ Load r3 with the return type code
ldr r2, [fp, #8]
ldr r3, [fp, #12]
@ Deallocate the stack with the arguments.
mov sp, fp
cfi_def_cfa_register(sp)
@ Store values stored in registers.
.align 3
add pc, pc, r3, lsl #3
nop
0:
E(ARM_TYPE_VFP_S)
#ifdef __clang__
vstr s0, [r2]
#else
stc p10, cr0, [r2] @ vstr s0, [r2]
#endif
pop {fp,pc}
E(ARM_TYPE_VFP_D)
#ifdef __clang__
vstr d0, [r2]
#else
stc p11, cr0, [r2] @ vstr d0, [r2]
#endif
pop {fp,pc}
E(ARM_TYPE_VFP_N)
#ifdef __clang__
vstm r2, {d0-d3}
#else
stc p11, cr0, [r2], {8} @ vstm r2, {d0-d3}
#endif
pop {fp,pc}
E(ARM_TYPE_INT64)
str r1, [r2, #4]
nop
E(ARM_TYPE_INT)
str r0, [r2]
pop {fp,pc}
E(ARM_TYPE_VOID)
pop {fp,pc}
nop
E(ARM_TYPE_STRUCT)
pop {fp,pc}
cfi_endproc
UNWIND(.fnend)
ARM_FUNC_END(ffi_call_SYSV)
/*
int ffi_closure_inner_* (cif, fun, user_data, frame)
*/
ARM_FUNC_START(ffi_go_closure_SYSV)
cfi_startproc
stmdb sp!, {r0-r3} @ save argument regs
cfi_adjust_cfa_offset(16)
ldr r0, [ip, #4] @ load cif
ldr r1, [ip, #8] @ load fun
mov r2, ip @ load user_data
b 0f
cfi_endproc
ARM_FUNC_END(ffi_go_closure_SYSV)
ARM_FUNC_START(ffi_closure_SYSV)
UNWIND(.fnstart)
cfi_startproc
stmdb sp!, {r0-r3} @ save argument regs
cfi_adjust_cfa_offset(16)
#if FFI_EXEC_TRAMPOLINE_TABLE
ldr ip, [ip] @ ip points to the config page, dereference to get the ffi_closure*
#endif
ldr r0, [ip, #FFI_TRAMPOLINE_CLOSURE_OFFSET] @ load cif
ldr r1, [ip, #FFI_TRAMPOLINE_CLOSURE_OFFSET+4] @ load fun
ldr r2, [ip, #FFI_TRAMPOLINE_CLOSURE_OFFSET+8] @ load user_data
0:
add ip, sp, #16 @ compute entry sp
sub sp, sp, #64+32 @ allocate frame
cfi_adjust_cfa_offset(64+32)
stmdb sp!, {ip,lr}
/* Remember that EABI unwind info only applies at call sites.
We need do nothing except note the save of the stack pointer
and the link registers. */
UNWIND(.save {sp,lr})
cfi_adjust_cfa_offset(8)
cfi_rel_offset(lr, 4)
add r3, sp, #8 @ load frame
bl CNAME(ffi_closure_inner_SYSV)
@ Load values returned in registers.
add r2, sp, #8+64 @ load result
adr r3, CNAME(ffi_closure_ret)
add pc, r3, r0, lsl #3
cfi_endproc
UNWIND(.fnend)
ARM_FUNC_END(ffi_closure_SYSV)
ARM_FUNC_START(ffi_go_closure_VFP)
cfi_startproc
stmdb sp!, {r0-r3} @ save argument regs
cfi_adjust_cfa_offset(16)
ldr r0, [ip, #4] @ load cif
ldr r1, [ip, #8] @ load fun
mov r2, ip @ load user_data
b 0f
cfi_endproc
ARM_FUNC_END(ffi_go_closure_VFP)
ARM_FUNC_START(ffi_closure_VFP)
UNWIND(.fnstart)
cfi_startproc
stmdb sp!, {r0-r3} @ save argument regs
cfi_adjust_cfa_offset(16)
#if FFI_EXEC_TRAMPOLINE_TABLE
ldr ip, [ip] @ ip points to the config page, dereference to get the ffi_closure*
#endif
ldr r0, [ip, #FFI_TRAMPOLINE_CLOSURE_OFFSET] @ load cif
ldr r1, [ip, #FFI_TRAMPOLINE_CLOSURE_OFFSET+4] @ load fun
ldr r2, [ip, #FFI_TRAMPOLINE_CLOSURE_OFFSET+8] @ load user_data
0:
add ip, sp, #16
sub sp, sp, #64+32 @ allocate frame
cfi_adjust_cfa_offset(64+32)
#ifdef __clang__
vstm sp, {d0-d7}
#else
stc p11, cr0, [sp], {16} @ vstm sp, {d0-d7}
#endif
stmdb sp!, {ip,lr}
/* See above. */
UNWIND(.save {sp,lr})
cfi_adjust_cfa_offset(8)
cfi_rel_offset(lr, 4)
add r3, sp, #8 @ load frame
bl CNAME(ffi_closure_inner_VFP)
@ Load values returned in registers.
add r2, sp, #8+64 @ load result
adr r3, CNAME(ffi_closure_ret)
add pc, r3, r0, lsl #3
cfi_endproc
UNWIND(.fnend)
ARM_FUNC_END(ffi_closure_VFP)
/* Load values returned in registers for both closure entry points.
Note that we use LDM with SP in the register set. This is deprecated
by ARM, but not yet unpredictable. */
ARM_FUNC_START_LOCAL(ffi_closure_ret)
cfi_startproc
cfi_rel_offset(sp, 0)
cfi_rel_offset(lr, 4)
0:
E(ARM_TYPE_VFP_S)
#ifdef __clang__
vldr s0, [r2]
#else
ldc p10, cr0, [r2] @ vldr s0, [r2]
#endif
ldm sp, {sp,pc}
E(ARM_TYPE_VFP_D)
#ifdef __clang__
vldr d0, [r2]
#else
ldc p11, cr0, [r2] @ vldr d0, [r2]
#endif
ldm sp, {sp,pc}
E(ARM_TYPE_VFP_N)
#ifdef __clang__
vldm r2, {d0-d3}
#else
ldc p11, cr0, [r2], {8} @ vldm r2, {d0-d3}
#endif
ldm sp, {sp,pc}
E(ARM_TYPE_INT64)
ldr r1, [r2, #4]
nop
E(ARM_TYPE_INT)
ldr r0, [r2]
ldm sp, {sp,pc}
E(ARM_TYPE_VOID)
ldm sp, {sp,pc}
nop
E(ARM_TYPE_STRUCT)
ldm sp, {sp,pc}
cfi_endproc
ARM_FUNC_END(ffi_closure_ret)
#if FFI_EXEC_TRAMPOLINE_TABLE
#ifdef __MACH__
#include <mach/machine/vm_param.h>
.align PAGE_MAX_SHIFT
ARM_FUNC_START(ffi_closure_trampoline_table_page)
.rept PAGE_MAX_SIZE / FFI_TRAMPOLINE_SIZE
adr ip, #-PAGE_MAX_SIZE @ the config page is PAGE_MAX_SIZE behind the trampoline page
sub ip, #8 @ account for pc bias
ldr pc, [ip, #4] @ jump to ffi_closure_SYSV or ffi_closure_VFP
.endr
ARM_FUNC_END(ffi_closure_trampoline_table_page)
#endif
#else
ARM_FUNC_START(ffi_arm_trampoline)
0: adr ip, 0b
ldr pc, 1f
1: .long 0
ARM_FUNC_END(ffi_arm_trampoline)
#endif /* FFI_EXEC_TRAMPOLINE_TABLE */
#endif /* __arm__ */
#if defined __ELF__ && defined __linux__
.section .note.GNU-stack,"",%progbits
#endif
src/arm/sysv_msvc_arm32.S
+311
View File
@@ -0,0 +1,311 @@
/* -----------------------------------------------------------------------
sysv.S - Copyright (c) 1998, 2008, 2011 Red Hat, Inc.
Copyright (c) 2011 Plausible Labs Cooperative, Inc.
Copyright (c) 2019 Microsoft Corporation.
ARM Foreign Function Interface
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
``Software''), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------- */
#define LIBFFI_ASM
#include <fficonfig.h>
#include <ffi.h>
#include <ffi_cfi.h>
#include "internal.h"
#include "ksarm.h"
; 8 byte aligned AREA to support 8 byte aligned jump tables
MACRO
NESTED_ENTRY_FFI $FuncName, $AreaName, $ExceptHandler
; compute the function's labels
__DeriveFunctionLabels $FuncName
; determine the area we will put the function into
__FuncArea SETS "|.text|"
IF "$AreaName" != ""
__FuncArea SETS "$AreaName"
ENDIF
; set up the exception handler itself
__FuncExceptionHandler SETS ""
IF "$ExceptHandler" != ""
__FuncExceptionHandler SETS "|$ExceptHandler|"
ENDIF
; switch to the specified area, jump tables require 8 byte alignment
AREA $__FuncArea,CODE,CODEALIGN,ALIGN=3,READONLY
; export the function name
__ExportProc $FuncName
; flush any pending literal pool stuff
ROUT
; reset the state of the unwind code tracking
__ResetUnwindState
MEND
; MACRO
; TABLE_ENTRY $Type, $Table
;$Type_$Table
; MEND
#define E(index,table) return_##index##_##table
; r0: stack
; r1: frame
; r2: fn
; r3: vfp_used
; fake entry point exists only to generate exists only to
; generate .pdata for exception unwinding
NESTED_ENTRY_FFI ffi_call_VFP_fake
PROLOG_PUSH {r11, lr} ; save fp and lr for unwind
ALTERNATE_ENTRY ffi_call_VFP
cmp r3, #3 ; load only d0 if possible
vldrle d0, [r0]
vldmgt r0, {d0-d7}
add r0, r0, #64 ; discard the vfp register args
b ffi_call_SYSV
NESTED_END ffi_call_VFP_fake
; fake entry point exists only to generate exists only to
; generate .pdata for exception unwinding
NESTED_ENTRY_FFI ffi_call_SYSV_fake
PROLOG_PUSH {r11, lr} ; save fp and lr for unwind
ALTERNATE_ENTRY ffi_call_SYSV
stm r1, {fp, lr}
mov fp, r1
mov sp, r0 ; install the stack pointer
mov lr, r2 ; move the fn pointer out of the way
ldr ip, [fp, #16] ; install the static chain
ldmia sp!, {r0-r3} ; move first 4 parameters in registers.
blx lr ; call fn
; Load r2 with the pointer to storage for the return value
; Load r3 with the return type code
ldr r2, [fp, #8]
ldr r3, [fp, #12]
; Deallocate the stack with the arguments.
mov sp, fp
; Store values stored in registers.
ALIGN 8
lsl r3, #3
add r3, r3, pc
add r3, #8
mov pc, r3
E(ARM_TYPE_VFP_S, ffi_call)
ALIGN 8
vstr s0, [r2]
pop {fp,pc}
E(ARM_TYPE_VFP_D, ffi_call)
ALIGN 8
vstr d0, [r2]
pop {fp,pc}
E(ARM_TYPE_VFP_N, ffi_call)
ALIGN 8
vstm r2, {d0-d3}
pop {fp,pc}
E(ARM_TYPE_INT64, ffi_call)
ALIGN 8
str r1, [r2, #4]
nop
E(ARM_TYPE_INT, ffi_call)
ALIGN 8
str r0, [r2]
pop {fp,pc}
E(ARM_TYPE_VOID, ffi_call)
ALIGN 8
pop {fp,pc}
nop
E(ARM_TYPE_STRUCT, ffi_call)
ALIGN 8
cmp r3, #ARM_TYPE_STRUCT
pop {fp,pc}
NESTED_END ffi_call_SYSV_fake
IMPORT |ffi_closure_inner_SYSV|
/*
int ffi_closure_inner_SYSV
(
cif, ; r0
fun, ; r1
user_data, ; r2
frame ; r3
)
*/
NESTED_ENTRY_FFI ffi_go_closure_SYSV
stmdb sp!, {r0-r3} ; save argument regs
ldr r0, [ip, #4] ; load cif
ldr r1, [ip, #8] ; load fun
mov r2, ip ; load user_data
b ffi_go_closure_SYSV_0
NESTED_END ffi_go_closure_SYSV
; r3: ffi_closure
; fake entry point exists only to generate exists only to
; generate .pdata for exception unwinding
NESTED_ENTRY_FFI ffi_closure_SYSV_fake
PROLOG_PUSH {r11, lr} ; save fp and lr for unwind
ALTERNATE_ENTRY ffi_closure_SYSV
ldmfd sp!, {ip,r0} ; restore fp (r0 is used for stack alignment)
stmdb sp!, {r0-r3} ; save argument regs
ldr r0, [ip, #FFI_TRAMPOLINE_CLOSURE_OFFSET] ; ffi_closure->cif
ldr r1, [ip, #FFI_TRAMPOLINE_CLOSURE_OFFSET+4] ; ffi_closure->fun
ldr r2, [ip, #FFI_TRAMPOLINE_CLOSURE_OFFSET+8] ; ffi_closure->user_data
ALTERNATE_ENTRY ffi_go_closure_SYSV_0
add ip, sp, #16 ; compute entry sp
sub sp, sp, #64+32 ; allocate frame parameter (sizeof(vfp_space) = 64, sizeof(result) = 32)
mov r3, sp ; set frame parameter
stmdb sp!, {ip,lr}
bl ffi_closure_inner_SYSV ; call the Python closure
; Load values returned in registers.
add r2, sp, #64+8 ; address of closure_frame->result
bl ffi_closure_ret ; move result to correct register or memory for type
ldmfd sp!, {ip,lr}
mov sp, ip ; restore stack pointer
mov pc, lr
NESTED_END ffi_closure_SYSV_fake
IMPORT |ffi_closure_inner_VFP|
/*
int ffi_closure_inner_VFP
(
cif, ; r0
fun, ; r1
user_data, ; r2
frame ; r3
)
*/
NESTED_ENTRY_FFI ffi_go_closure_VFP
stmdb sp!, {r0-r3} ; save argument regs
ldr r0, [ip, #4] ; load cif
ldr r1, [ip, #8] ; load fun
mov r2, ip ; load user_data
b ffi_go_closure_VFP_0
NESTED_END ffi_go_closure_VFP
; fake entry point exists only to generate exists only to
; generate .pdata for exception unwinding
; r3: closure
NESTED_ENTRY_FFI ffi_closure_VFP_fake
PROLOG_PUSH {r11, lr} ; save fp and lr for unwind
ALTERNATE_ENTRY ffi_closure_VFP
ldmfd sp!, {ip,r0} ; restore fp (r0 is used for stack alignment)
stmdb sp!, {r0-r3} ; save argument regs
ldr r0, [ip, #FFI_TRAMPOLINE_CLOSURE_OFFSET] ; load cif
ldr r1, [ip, #FFI_TRAMPOLINE_CLOSURE_OFFSET+4] ; load fun
ldr r2, [ip, #FFI_TRAMPOLINE_CLOSURE_OFFSET+8] ; load user_data
ALTERNATE_ENTRY ffi_go_closure_VFP_0
add ip, sp, #16 ; compute entry sp
sub sp, sp, #32 ; save space for closure_frame->result
vstmdb sp!, {d0-d7} ; push closure_frame->vfp_space
mov r3, sp ; save closure_frame
stmdb sp!, {ip,lr}
bl ffi_closure_inner_VFP
; Load values returned in registers.
add r2, sp, #64+8 ; load result
bl ffi_closure_ret
ldmfd sp!, {ip,lr}
mov sp, ip ; restore stack pointer
mov pc, lr
NESTED_END ffi_closure_VFP_fake
/* Load values returned in registers for both closure entry points.
Note that we use LDM with SP in the register set. This is deprecated
by ARM, but not yet unpredictable. */
NESTED_ENTRY_FFI ffi_closure_ret
stmdb sp!, {fp,lr}
ALIGN 8
lsl r0, #3
add r0, r0, pc
add r0, #8
mov pc, r0
E(ARM_TYPE_VFP_S, ffi_closure)
ALIGN 8
vldr s0, [r2]
b call_epilogue
E(ARM_TYPE_VFP_D, ffi_closure)
ALIGN 8
vldr d0, [r2]
b call_epilogue
E(ARM_TYPE_VFP_N, ffi_closure)
ALIGN 8
vldm r2, {d0-d3}
b call_epilogue
E(ARM_TYPE_INT64, ffi_closure)
ALIGN 8
ldr r1, [r2, #4]
nop
E(ARM_TYPE_INT, ffi_closure)
ALIGN 8
ldr r0, [r2]
b call_epilogue
E(ARM_TYPE_VOID, ffi_closure)
ALIGN 8
b call_epilogue
nop
E(ARM_TYPE_STRUCT, ffi_closure)
ALIGN 8
b call_epilogue
call_epilogue
ldmfd sp!, {fp,pc}
NESTED_END ffi_closure_ret
AREA |.trampoline|, DATA, THUMB, READONLY
EXPORT |ffi_arm_trampoline|
|ffi_arm_trampoline| DATA
thisproc adr ip, thisproc
stmdb sp!, {ip, r0}
ldr pc, [pc, #0]
DCD 0
;ENDP
END
src/avr32/ffi.c
+423
View File
@@ -0,0 +1,423 @@
/* -----------------------------------------------------------------------
ffi.c - Copyright (c) 2011 Anthony Green
Copyright (c) 2009 Bradley Smith <brad@brad-smith.co.uk>
AVR32 Foreign Function Interface
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
``Software''), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------- */
#include <ffi.h>
#include <ffi_common.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <asm/unistd.h>
/* #define DEBUG */
extern void ffi_call_SYSV(void (*)(char *, extended_cif *), extended_cif *,
unsigned int, unsigned int, unsigned int*, unsigned int,
void (*fn)(void));
extern void ffi_closure_SYSV (ffi_closure *);
unsigned int pass_struct_on_stack(ffi_type *type)
{
if(type->type != FFI_TYPE_STRUCT)
return 0;
if(type->alignment < type->size &&
!(type->size == 4 || type->size == 8) &&
!(type->size == 8 && type->alignment >= 4))
return 1;
if(type->size == 3 || type->size == 5 || type->size == 6 ||
type->size == 7)
return 1;
return 0;
}
/* ffi_prep_args is called by the assembly routine once stack space
* has been allocated for the function's arguments
*
* This is annoyingly complex since we need to keep track of used
* registers.
*/
void ffi_prep_args(char *stack, extended_cif *ecif)
{
unsigned int i;
void **p_argv;
ffi_type **p_arg;
char *reg_base = stack;
char *stack_base = stack + 20;
unsigned int stack_offset = 0;
unsigned int reg_mask = 0;
p_argv = ecif->avalue;
/* If cif->flags is struct then we know it's not passed in registers */
if(ecif->cif->flags == FFI_TYPE_STRUCT)
{
*(void**)reg_base = ecif->rvalue;
reg_mask |= 1;
}
for(i = 0, p_arg = ecif->cif->arg_types; i < ecif->cif->nargs;
i++, p_arg++)
{
size_t z = (*p_arg)->size;
int alignment = (*p_arg)->alignment;
int type = (*p_arg)->type;
char *addr = 0;
if(z % 4 != 0)
z += (4 - z % 4);
if(reg_mask != 0x1f)
{
if(pass_struct_on_stack(*p_arg))
{
addr = stack_base + stack_offset;
stack_offset += z;
}
else if(z == sizeof(int))
{
char index = 0;
while((reg_mask >> index) & 1)
index++;
addr = reg_base + (index * 4);
reg_mask |= (1 << index);
}
else if(z == 2 * sizeof(int))
{
if(!((reg_mask >> 1) & 1))
{
addr = reg_base + 4;
reg_mask |= (3 << 1);
}
else if(!((reg_mask >> 3) & 1))
{
addr = reg_base + 12;
reg_mask |= (3 << 3);
}
}
}
if(!addr)
{
addr = stack_base + stack_offset;
stack_offset += z;
}
if(type == FFI_TYPE_STRUCT && (*p_arg)->elements[1] == NULL)
type = (*p_arg)->elements[0]->type;
switch(type)
{
case FFI_TYPE_UINT8:
*(unsigned int *)addr = (unsigned int)*(UINT8 *)(*p_argv);
break;
case FFI_TYPE_SINT8:
*(signed int *)addr = (signed int)*(SINT8 *)(*p_argv);
break;
case FFI_TYPE_UINT16:
*(unsigned int *)addr = (unsigned int)*(UINT16 *)(*p_argv);
break;
case FFI_TYPE_SINT16:
*(signed int *)addr = (signed int)*(SINT16 *)(*p_argv);
break;
default:
memcpy(addr, *p_argv, z);
}
p_argv++;
}
#ifdef DEBUG
/* Debugging */
for(i = 0; i < 5; i++)
{
if((reg_mask & (1 << i)) == 0)
printf("r%d: (unused)\n", 12 - i);
else
printf("r%d: 0x%08x\n", 12 - i, ((unsigned int*)reg_base)[i]);
}
for(i = 0; i < stack_offset / 4; i++)
{
printf("sp+%d: 0x%08x\n", i*4, ((unsigned int*)stack_base)[i]);
}
#endif
}
/* Perform machine dependent cif processing */
ffi_status ffi_prep_cif_machdep(ffi_cif *cif)
{
/* Round the stack up to a multiple of 8 bytes. This isn't needed
* everywhere, but it is on some platforms, and it doesn't harm
* anything when it isn't needed. */
cif->bytes = (cif->bytes + 7) & ~7;
/* Flag to indicate that he return value is in fact a struct */
cif->rstruct_flag = 0;
/* Set the return type flag */
switch(cif->rtype->type)
{
case FFI_TYPE_SINT8:
case FFI_TYPE_UINT8:
cif->flags = (unsigned)FFI_TYPE_UINT8;
break;
case FFI_TYPE_SINT16:
case FFI_TYPE_UINT16:
cif->flags = (unsigned)FFI_TYPE_UINT16;
break;
case FFI_TYPE_FLOAT:
case FFI_TYPE_SINT32:
case FFI_TYPE_UINT32:
case FFI_TYPE_POINTER:
cif->flags = (unsigned)FFI_TYPE_UINT32;
break;
case FFI_TYPE_DOUBLE:
case FFI_TYPE_SINT64:
case FFI_TYPE_UINT64:
cif->flags = (unsigned)FFI_TYPE_UINT64;
break;
case FFI_TYPE_STRUCT:
cif->rstruct_flag = 1;
if(!pass_struct_on_stack(cif->rtype))
{
if(cif->rtype->size <= 1)
cif->flags = (unsigned)FFI_TYPE_UINT8;
else if(cif->rtype->size <= 2)
cif->flags = (unsigned)FFI_TYPE_UINT16;
else if(cif->rtype->size <= 4)
cif->flags = (unsigned)FFI_TYPE_UINT32;
else if(cif->rtype->size <= 8)
cif->flags = (unsigned)FFI_TYPE_UINT64;
else
cif->flags = (unsigned)cif->rtype->type;
}
else
cif->flags = (unsigned)cif->rtype->type;
break;
default:
cif->flags = (unsigned)cif->rtype->type;
break;
}
return FFI_OK;
}
void ffi_call(ffi_cif *cif, void (*fn)(void), void *rvalue, void **avalue)
{
extended_cif ecif;
unsigned int size = 0, i = 0;
ffi_type **p_arg;
ecif.cif = cif;
ecif.avalue = avalue;
for(i = 0, p_arg = cif->arg_types; i < cif->nargs; i++, p_arg++)
size += (*p_arg)->size + (4 - (*p_arg)->size % 4);
/* If the return value is a struct and we don't have a return value
* address then we need to make one */
/* If cif->flags is struct then it's not suitable for registers */
if((rvalue == NULL) && (cif->flags == FFI_TYPE_STRUCT))
ecif.rvalue = alloca(cif->rtype->size);
else
ecif.rvalue = rvalue;
switch(cif->abi)
{
case FFI_SYSV:
ffi_call_SYSV(ffi_prep_args, &ecif, size, cif->flags,
ecif.rvalue, cif->rstruct_flag, fn);
break;
default:
FFI_ASSERT(0);
break;
}
}
static void ffi_prep_incoming_args_SYSV(char *stack, void **rvalue,
void **avalue, ffi_cif *cif)
{
register unsigned int i, reg_mask = 0;
register void **p_argv;
register ffi_type **p_arg;
register char *reg_base = stack;
register char *stack_base = stack + 20;
register unsigned int stack_offset = 0;
#ifdef DEBUG
/* Debugging */
for(i = 0; i < cif->nargs + 7; i++)
{
printf("sp+%d: 0x%08x\n", i*4, ((unsigned int*)stack)[i]);
}
#endif
/* If cif->flags is struct then we know it's not passed in registers */
if(cif->flags == FFI_TYPE_STRUCT)
{
*rvalue = *(void **)reg_base;
reg_mask |= 1;
}
p_argv = avalue;
for(i = 0, p_arg = cif->arg_types; i < cif->nargs; i++, p_arg++)
{
size_t z = (*p_arg)->size;
int alignment = (*p_arg)->alignment;
*p_argv = 0;
if(z % 4 != 0)
z += (4 - z % 4);
if(reg_mask != 0x1f)
{
if(pass_struct_on_stack(*p_arg))
{
*p_argv = (void*)stack_base + stack_offset;
stack_offset += z;
}
else if(z <= sizeof(int))
{
char index = 0;
while((reg_mask >> index) & 1)
index++;
*p_argv = (void*)reg_base + (index * 4);
reg_mask |= (1 << index);
}
else if(z == 2 * sizeof(int))
{
if(!((reg_mask >> 1) & 1))
{
*p_argv = (void*)reg_base + 4;
reg_mask |= (3 << 1);
}
else if(!((reg_mask >> 3) & 1))
{
*p_argv = (void*)reg_base + 12;
reg_mask |= (3 << 3);
}
}
}
if(!*p_argv)
{
*p_argv = (void*)stack_base + stack_offset;
stack_offset += z;
}
if((*p_arg)->type != FFI_TYPE_STRUCT ||
(*p_arg)->elements[1] == NULL)
{
if(alignment == 1)
**(unsigned int**)p_argv <<= 24;
else if(alignment == 2)
**(unsigned int**)p_argv <<= 16;
}
p_argv++;
}
#ifdef DEBUG
/* Debugging */
for(i = 0; i < cif->nargs; i++)
{
printf("sp+%d: 0x%08x\n", i*4, *(((unsigned int**)avalue)[i]));
}
#endif
}
/* This function is jumped to by the trampoline */
unsigned int ffi_closure_SYSV_inner(ffi_closure *closure, void **respp,
void *args)
{
ffi_cif *cif;
void **arg_area;
unsigned int i, size = 0;
ffi_type **p_arg;
cif = closure->cif;
for(i = 0, p_arg = cif->arg_types; i < cif->nargs; i++, p_arg++)
size += (*p_arg)->size + (4 - (*p_arg)->size % 4);
arg_area = (void **)alloca(size);
/* this call will initialize ARG_AREA, such that each element in that
* array points to the corresponding value on the stack; and if the
* function returns a structure, it will re-set RESP to point to the
* structure return address. */
ffi_prep_incoming_args_SYSV(args, respp, arg_area, cif);
(closure->fun)(cif, *respp, arg_area, closure->user_data);
return cif->flags;
}
ffi_status ffi_prep_closure_loc(ffi_closure* closure, ffi_cif* cif,
void (*fun)(ffi_cif*, void*, void**, void*), void *user_data,
void *codeloc)
{
if (cif->abi != FFI_SYSV)
return FFI_BAD_ABI;
unsigned char *__tramp = (unsigned char*)(&closure->tramp[0]);
unsigned int __fun = (unsigned int)(&ffi_closure_SYSV);
unsigned int __ctx = (unsigned int)(codeloc);
unsigned int __rstruct_flag = (unsigned int)(cif->rstruct_flag);
unsigned int __inner = (unsigned int)(&ffi_closure_SYSV_inner);
*(unsigned int*) &__tramp[0] = 0xebcd1f00; /* pushm r8-r12 */
*(unsigned int*) &__tramp[4] = 0xfefc0010; /* ld.w r12, pc[16] */
*(unsigned int*) &__tramp[8] = 0xfefb0010; /* ld.w r11, pc[16] */
*(unsigned int*) &__tramp[12] = 0xfefa0010; /* ld.w r10, pc[16] */
*(unsigned int*) &__tramp[16] = 0xfeff0010; /* ld.w pc, pc[16] */
*(unsigned int*) &__tramp[20] = __ctx;
*(unsigned int*) &__tramp[24] = __rstruct_flag;
*(unsigned int*) &__tramp[28] = __inner;
*(unsigned int*) &__tramp[32] = __fun;
syscall(__NR_cacheflush, 0, (&__tramp[0]), 36);
closure->cif = cif;
closure->user_data = user_data;
closure->fun = fun;
return FFI_OK;
}

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