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update to v0.190

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Signed-off-by: unknown <zhangchun39@huawei.com>
This commit is contained in:
unknown
2024-12-06 15:48:16 +08:00
parent efec0be8ea
commit 705c22626b
593 changed files with 11101 additions and 12081 deletions
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CONTRIBUTING
+40 -4
View File
@@ -45,13 +45,28 @@ then you just add a line saying
Signed-off-by: Random J Developer <random@developer.example.org>
using your real name (sorry, no pseudonyms or anonymous contributions.)
using a known identity (sorry, no anonymous contributions.)
The name you use as your identity should not be an anonymous id
or false name that misrepresents who you are.
git commit --signoff will add such a Signed-off-by line at the end of
the commit log message for you.
The ideal patch contains a ChangeLog entry and a test case for the
bug fixed or feature added.
The ideal patch contains a ChangeLog entry for the commit message and
a test case for the bug fixed or feature added.
The commit message is expected to start with a one line summary of
what the patch does, prefixed with the main subdir the patch applies
to. e.g libelf: Rewind the elf_frob function bar definitions.
Finally please include an ChangeLog entry explicitly listing the files
and what changed in each of them in the commit message. This will help
a reviewer understand which changes are expected (and which might be
accidential). Try to follow the GNU Change Log style:
https://www.gnu.org/prep/standards/html_node/Style-of-Change-Logs.html
Note that elfutils previously maintained separate ChangeLog
files. These are no longer used. All changes should be documented in
the git commit message.
The testsuite (make check) is expected to have zero failing tests.
Do not knowingly add tests that FAIL. If there are architectures or
@@ -69,6 +84,22 @@ After sending your patch to the mailinglist one of the committers
to the project will review it, give feedback, and if perfect they
will commit it for you.
All patches sent to the mailing list are tracked at
https://patchwork.sourceware.org/project/elfutils/list/
To use this from the command line you can use git-pw
https://patchwork.readthedocs.io/projects/git-pw/en/latest/
For using it with git-pw use these .git/config settings:
[pw]
server = https://patchwork.sourceware.org/api/1.2/
project = elfutils
token = <hex-token>
states = committed,accepted,superseded,deferred,rejected,under-review
If you would like to help maintain the pending patch list your
patchwork account can be added as maintainer for the elfutils project.
You can become a maintainer/committer yourself after you have provided
at least a handful of accepted patches and agree to the guidelines in
this document for creating, reviewing, accepting and committing patches.
@@ -96,10 +127,15 @@ mailinglist that the patch has been pushed.
committers may also create git branches starting with <nickname>/...
patches on these branches are works in progress, so might not be perfect
yet, but should follow the above guidelines as much as possible and should
be aimed at integration into master. For merging a branch into master
be aimed at integration into main. For merging a branch into main
the same process as above should be followed by posting the patches
to the list first.
Note that a branch starting with <nickname>/try... will be picked up
by the Sourceware buildbot and can be used to test your patches before
merging into the main branch:
https://builder.sourceware.org/buildbot/#/builders?tags=elfutils-try
committers/maintainers who repeatedly ignore the above guidelines,
are hostile or offensive towards other committers or contributors,
and don't correct their behavior after being asked by other committers
ChangeLog
+26
View File
@@ -1,3 +1,29 @@
2023-03-27 Di Chen <dichen@redhat.com>
* NEWS: Support readelf -Ds for using dynamic segment to
print symbol table.
2023-03-03 Mark Wielaard <mark@klomp.org>
* NEWS: Add ELFCOMPRESS_ZSTD support for libelf and elfcompress.
2023-02-23 Mark Wielaard <mark@klomp.org>
* NEWS: Add old version code names.
2023-02-21 Mark Wielaard <mark@klomp.org>
* configure.ac: Check for -Wuse-after-free=3
2023-02-15 Mark Wielaard <mark@klomp.org>
* configure.ac: Error out when demangler is enabled, but
__cxa_demangle cannot be found.
2023-01-11 Frank Ch. Eigler <fche@redhat.com>
* configure.ac: Add some rlimit/affinity checks.
2022-11-02 Mark Wielaard <mark@klomp.org>
* configure.ac (AC_INIT): Set version to 0.188.
Makefile.am
+1 -1
View File
@@ -29,7 +29,7 @@ pkginclude_HEADERS = version.h
SUBDIRS = config lib libelf libcpu backends libebl libdwelf libdwfl libdw \
libasm debuginfod src po doc tests
EXTRA_DIST = elfutils.spec GPG-KEY NOTES CONTRIBUTING \
EXTRA_DIST = elfutils.spec GPG-KEY NOTES CONTRIBUTING SECURITY \
COPYING COPYING-GPLV2 COPYING-LGPLV3
# Make sure the test install uses lib64 when $LIB will yield lib64.
NEWS
+70 -26
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@@ -1,4 +1,48 @@
Version 0.188
Version 0.190 "Woke!"
CONTRIBUTING: Switch from real name policy to known identity policy.
Updated ChangeLog policy (no more separate ChangeLog files).
There is a SECURITY bug policy now.
The default branch is now 'main'.
libelf: Add RELR support.
libdw: Recognize .debug_[ct]u_index sections
readelf: Support readelf -Ds, --use-dynamic --symbol.
Support .gdb_index version 9
scrlines: New tool that compiles a list of source files associated
with a specified dwarf/elf file.
debuginfod: Schema change (reindexing required, sorry!) for a 60%
compression in filename representation, which was a large
part of the sqlite index; also, more deliberate sqlite
-wal management during scanning using the
--scan-checkpoint option.
backends: Various LoongArch updates.
Version 0.189 "Don't deflate!"
configure: eu-nm, eu-addr2line and eu-stack can provide demangled symbols
when linked with libstdc++. Use --disable-demangler to disable.
A new option --enable-sanitize-memory has been added for msan
sanitizer support.
libelf: elf_compress now supports ELFCOMPRESS_ZSTD when build against
libzstd
libdwfl: dwfl_module_return_value_location now returns 0 (no return type)
for DIEs that point to a DW_TAG_unspecified_type.
elfcompress: -t, --type= now support zstd if libelf has been build with
ELFCOMPRESS_ZSTD support.
backends: Add support for LoongArch and Synopsys ARCv2 processors.
Version 0.188 "no section left behind"
readelf: Add -D, --use-dynamic option.
@@ -11,7 +55,7 @@ libdwfl: Add new function dwfl_get_debuginfod_client.
Add new function dwfl_frame_reg.
Add new function dwfl_report_offline_memory.
Version 0.187
Version 0.187 "no zero negatives"
debuginfod: Support -C option for connection thread pooling.
@@ -30,7 +74,7 @@ libdw, debuginfo-client: Load libcurl lazily only when files need to
DEBUGINFOD_URLS is set, libcurl is only loaded
when the debuginfod_begin function is called.
Version 0.186
Version 0.186 "Just In Time"
debuginfod-client: Default $DEBUGINFOD_URLS is computed from drop-in files
/etc/debuginfod/*.urls rather than hardcoded into the
@@ -56,7 +100,7 @@ libdw: Support for the NVIDIA Cuda line map extensions.
translations: Update Japanese translation.
Version 0.185
Version 0.185 "oops, I did it again"
debuginfod-client: Simplify curl handle reuse so downloads which
return an error are retried.
@@ -64,7 +108,7 @@ debuginfod-client: Simplify curl handle reuse so downloads which
elfcompress: Always exit with code 0 when the operation succeeds (even
when nothing was done). On error the exit code is now always 1.
Version 0.184
Version 0.184 "negative results"
debuginfod: Use libarchive's bsdtar as the .deb-family file unpacker.
@@ -83,7 +127,7 @@ libdw: handle DW_FORM_indirect when reading attributes
translations: Update Polish translation.
Version 0.183
Version 0.183 "100+ commits"
debuginfod: New thread-busy metric and more detailed error metrics.
New --fdcache-mintmp and tracking of filesystem freespace.
@@ -100,7 +144,7 @@ config: profile.sh and profile.csh won't export DEBUGINFOD_URLS unless
elflint, readelf: Recognize SHF_GNU_RETAIN.
Handle SHT_X86_64_UNWIND as valid relocation target.
Version 0.182
Version 0.182 "October Surprise!"
backends: Support for tilegx has been removed.
@@ -114,7 +158,7 @@ debuginfod-client: Now supports compressed (kernel) ELF images.
libdwfl: Add ZSTD compression support.
Version 0.181
Version 0.181 "Show me your ARMs"
libelf: elf_update now compensates (fixes up) a bad sh_addralign for
SHF_COMPRESSED sections.
@@ -131,7 +175,7 @@ libdw, readelf: Recognize DW_CFA_AARCH64_negate_ra_state. Allows unwinding
on arm64 for code that is compiled for PAC (Pointer
Authentication Code) as long as it isn't enabled.
Version 0.180
Version 0.180 "We got an L, we got an T, can we have a O?"
elflint: Allow SHF_EXCLUDE as generic section flag when --gnu is given.
@@ -145,7 +189,7 @@ size: Also obey radix printing for bsd format.
nm: Explicitly print weak 'V' or 'T' and common 'C' symbols.
Version 0.179
Version 0.179 "All your packages are belong to us!"
debuginfod-client: When DEBUGINFOD_PROGRESS is set and the program doesn't
install its own debuginfod_progressfn_t show download
@@ -180,7 +224,7 @@ readelf, elflint: Handle PT_GNU_PROPERTY.
translations: Updated Ukrainian translation.
Version 0.178
Version 0.178 "All the build-id you can count!"
debuginfod: New server, client tool and library to index and fetch
ELF/DWARF files addressed by build-id through HTTP.
@@ -202,7 +246,7 @@ libdw: Abbrevs and DIEs can now be read concurrently by multiple
libdwfl: Will try to use debuginfod when installed as fallback to
retrieve ELF and DWARF debug data files by build-id.
Version 0.177
Version 0.177 "What is your category, class and taxonomy?"
elfclassify: New tool to analyze ELF objects.
@@ -218,7 +262,7 @@ libdwelf: Add dwelf_elf_e_machine_string.
backends: Add support for C-SKY.
Version 0.176
Version 0.176 "At your own RISC-V"
build: Add new --enable-install-elfh option.
Do NOT use this for system installs (it overrides glibc elf.h).
@@ -246,7 +290,7 @@ backends: RISCV handles ADD/SUB relocations. Handle SHT_X86_64_UNWIND.
Fixes CVE-2018-18310, CVE-2018-18520 and CVE-2018-18521.
Version 0.174
Version 0.174 "extended shnum"
libelf, libdw and all tools now handle extended shnum and shstrndx correctly.
@@ -262,7 +306,7 @@ backends: RISCV and M68K now have backend implementations to generate CFI based
Fixes CVE-2018-16062, CVE-2018-16402 and CVE-2018-16403.
Version 0.173
Version 0.173 "crash free"
More fixes for crashes and hangs found by afl-fuzz. In particular various
functions now detect and break infinite loops caused by bad DIE tree cycles.
@@ -280,16 +324,16 @@ backends: Handle BPF simple relocations.
The RISCV backends now handles ABI specific CFI and knows about
RISCV register types and names.
Version 0.172
Version 0.172 "DWARF5 bugs split!"
No functional changes compared to 0.171.
No functional changes compared to 0.171 "DWARF5 split!".
Various bug fixes in libdw and eu-readelf dealing with bad DWARF5 data.
Thanks to running the afl fuzzer on eu-readelf and various testcases.
eu-readelf -N is ~15% faster.
Version 0.171
Version 0.171 "DWARF5 split!"
DWARF5 and split dwarf, including GNU DebugFission, are supported now.
Data can be read from the new DWARF sections .debug_addr, .debug_line_str,
@@ -327,7 +371,7 @@ backends: Add a RISC-V backend.
There were various improvements to build on Windows.
The sha1 and md5 implementations have been removed, they weren't used.
Version 0.170
Version 0.170 "DWARF4 1/2"
libdw: Added new DWARF5 attribute, tag, character encoding, language code,
calling convention, defaulted member function and macro constants
@@ -347,7 +391,7 @@ backends: Add support for EM_PPC64 GNU_ATTRIBUTES.
translations: Update Polish translation.
Version 0.168
Version 0.168 "kthxbye"
http://elfutils.org/ is now hosted at http://sourceware.org/elfutils/
@@ -357,7 +401,7 @@ libdw: dwarf.h corrected the DW_LANG_PLI constant name (was DW_LANG_PL1).
readelf: Add optional --symbols[=SECTION] argument to select section name.
Version 0.167
Version 0.167 "disassemble this!"
libasm: Add eBPF disassembler for EM_BPF files.
@@ -369,12 +413,12 @@ dwelf: Add ELF/DWARF string table creation functions. dwelf_strtab_init,
dwelf_strtab_add, dwelf_strtab_add_len, dwelf_strtab_finalize,
dwelf_strent_off, dwelf_strent_str and dwelf_strtab_free.
Version 0.166
Version 0.166 "bugs be gone!"
config: The default program prefix for the installed tools is now eu-.
Use configure --program-prefix="" to not use a program prefix.
Version 0.165
Version 0.165 "big DWARF & tiny ELF"
elfcompress: New utility to compress or decompress ELF sections.
@@ -391,7 +435,7 @@ backends: sparc support for core and live backtraces.
translations: Updated Polish translation.
Version 0.164
Version 0.164 "strip, no unstrip!"
strip, unstrip: Handle ELF files with merged strtab/shstrtab tables.
Handle missing SHF_INFO_LINK section flags.
@@ -412,11 +456,11 @@ translations: Updated Ukrainian translation.
Provide default-yama-scope subpackage.
Version 0.163
Version 0.163 "size matters"
Bug fixes only, no new features.
Version 0.162
Version 0.162 "hard hat"
libdw: Install new header elfutils/known-dwarf.h.
dwarf.h Add preliminary DWARF5 constants DW_TAG_atomic_type,
README
+2
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@@ -29,3 +29,5 @@ Or use the form at https://sourceware.org/mailman/listinfo/elfutils-devel
See the CONTRIBUTING file for how to propose patches to the code.
See the NOTES files for some design decisions and notes.
See the SECURITY file for defining and handling security-sensitive bugs.
SECURITY
+56
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@@ -0,0 +1,56 @@
The elfutils library and utilities aim to be generally robust and
reliable. However, elfutils routinely processes complex binary
structured data. This makes the code intricate and sometimes brittle.
While elfutils developers use a variety of static and dynamic checker
software (valgrind, sanitizers) in testing, bugs may remain. Some of
these bugs may have security-related implications.
While many errors are cleanly detected at runtime, it is possible that
vulnerabilities exist that could be exploitable. These may arise from
crafted / fuzzed / erroneous inputs, or perhaps even from valid inputs
with unforseen characteristics. Therefore, to minimize risks, users
of elfutils tools and libraries should consider measures such as:
- avoiding running complex elfutils analysis on untrustworthy inputs
- avoiding running elfutils tools as privileged processes
- applying common platform level protection mechanisms such as
selinux, syscall filtering, hardened compilation, etc.
Since most elfutils tools are run in short-lived, local, interactive,
development context rather than remotely "in production", we generally
treat malfunctions as ordinary bugs rather than security vulnerabilities.
Elfutils includes one network client/server: debuginfod. The
debuginfod man page contains a SECURITY section outlining the general
risks. tl;dr: many classes of server problems are delegated to
front-end proxies and curated elf/dwarf archives of the operator;
others to careful configuration of the debuginfod client. These are
not generally reportable as security vulnerabilities. However, we are
likely to accept security vulnerability reports related to:
- availability: e.g., remotely exploitable server crash, but not
routine resource exhaustion or overload; client crash due to
unexpected valid traffic from trusted server
- confidentiality: e.g., allowing the server to expose one client's
traffic to another client
- integrity: e.g., causing the server to send erroneous
elf/dwarf/source data across the webapi; causing the client to
corrupt its cache to lose file integrity
We welcome reports that are tangential to any of these subjects.
Please report bugs via any of:
- email to <elfutils-devel@sourceware.org>
- https://sourceware.org/bugzilla/enter_bug.cgi?product=elfutils
After considering the above exclusions, please report suspected
security vulnerabilities confidentially via any of:
- email to <mark@klomp.org>
- email to <fche@elastic.org>
- email to <secalert@redhat.com>
backends/ChangeLog
+65
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@@ -1,3 +1,68 @@
2023-05-09 Youling Tang <tangyouling@loongson.cn>
* Makefile.am (loongarch_SRCS): Add loongarch_initreg.c.
* loongarch_initreg.c: New file.
* loongarch_init.c (loongarch_init): Hook set_initial_registers_tid.
2023-04-07 Youling Tang <tangyouling@loongson.cn>
* Makefile.am (loongarch_SRCS): Add loongarch_corenote.c.
* loongarch_init.c (loongarch_init): Hook core_note.
* loongarch_corenote.c: New file.
2023-04-07 Youling Tang <tangyouling@loongson.cn>
* Makefile.am (loongarch_SRCS): Add loongarch_unwind.c.
* loongarch_init.c (loongarch_init): Hook unwind.
* loongarch_unwind.c: New file.
2023-04-07 Youling Tang <tangyouling@loongson.cn>
* Makefile.am (loongarch_SRCS): Add loongarch_retval.c.
* loongarch_init.c (loongarch_init): Hook return_value_location.
* loongarch_retval.c: New file.
2023-04-07 Youling Tang <tangyouling@loongson.cn>
* Makefile.am (loongarch_SRCS): Add loongarch_cfi.c and loongarch_regs.c.
* loongarch_cfi.c: New file.
* loongarch_regs.c: Likewise.
* loongarch_init.c (loongarch_init): Hook register_info and abi_cfi.
2023-04-01 Youling Tang <tangyouling@loongson.cn>
* loongarch_init.c (loongarch_init): Hook check_special_symbol.
* loongarch_symbol.c (loongarch_check_special_symbol): New function.
2023-04-01 Youling Tang <tangyouling@loongson.cn>
* loongarch_reloc.def: Add RELOC_TYPE B16 to RELAX.
2023-02-07 Mark Wielaard <mark@klomp.org>
* libebl_CPU.h (dwarf_peeled_die_type): Explicitly handle
DW_TAG_unspecified_type as if there was no DW_AT_type.
2023-01-19 Mark Wielaard <mark@klomp.org>
* sparc_reloc.def (NONE): Add EXEC and DYN.
2022-12-21 Shahab Vahedi <shahab@synopsys.email>
* Makefile.am (modules): Add arc.
(arc_SRCS): Added.
(libebl_backends_a_SOURCES): Append arc_SRCS.
* arc_init.c: New file.
* arc_reloc.def: New file.
* arc_symbol.c: New file.
2022-12-02 Hengqi Chen <hengqi.chen@gmail.com>
* Makefile.am (modules): Add loongarch.
* loongarch_init.c: New file.
* loongarch_reloc.def: New file.
* loongarch_symbol.c: New file.
2022-08-09 Andreas Schwab <schwab@suse.de>
* riscv_init.c (riscv_init): HOOK segment_type_name,
backends/Makefile.am
+9 -2
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@@ -37,7 +37,7 @@ AM_CPPFLAGS += -I$(top_srcdir)/libebl -I$(top_srcdir)/libasm \
noinst_LIBRARIES = libebl_backends.a libebl_backends_pic.a
modules = i386 sh x86_64 ia64 alpha arm aarch64 sparc ppc ppc64 s390 \
m68k bpf riscv csky
m68k bpf riscv csky loongarch arc
i386_SRCS = i386_init.c i386_symbol.c i386_corenote.c i386_cfi.c \
i386_retval.c i386_regs.c i386_auxv.c \
@@ -96,11 +96,18 @@ riscv_SRCS = riscv_init.c riscv_symbol.c riscv_cfi.c riscv_regs.c \
csky_SRCS = csky_attrs.c csky_init.c csky_symbol.c csky_cfi.c \
csky_regs.c csky_initreg.c csky_corenote.c
loongarch_SRCS = loongarch_init.c loongarch_symbol.c loongarch_cfi.c \
loongarch_regs.c loongarch_retval.c loongarch_initreg.c \
loongarch_unwind.c loongarch_corenote.c
arc_SRCS = arc_init.c arc_symbol.c
libebl_backends_a_SOURCES = $(i386_SRCS) $(sh_SRCS) $(x86_64_SRCS) \
$(ia64_SRCS) $(alpha_SRCS) $(arm_SRCS) \
$(aarch64_SRCS) $(sparc_SRCS) $(ppc_SRCS) \
$(ppc64_SRCS) $(s390_SRCS) \
$(m68k_SRCS) $(bpf_SRCS) $(riscv_SRCS) $(csky_SRCS)
$(m68k_SRCS) $(bpf_SRCS) $(riscv_SRCS) $(csky_SRCS) \
$(loongarch_SRCS) $(arc_SRCS)
libebl_backends_pic_a_SOURCES =
am_libebl_backends_pic_a_OBJECTS = $(libebl_backends_a_SOURCES:.c=.os)
backends/aarch64_retval.c
+2 -3
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@@ -303,12 +303,11 @@ aarch64_return_value_location (Dwarf_Die *functypedie, const Dwarf_Op **locp)
}
}
if (tag == DW_TAG_base_type
|| tag == DW_TAG_pointer_type || tag == DW_TAG_ptr_to_member_type)
if (tag == DW_TAG_base_type || dwarf_is_pointer (tag))
{
if (dwarf_bytesize_aux (&typedie, &size) < 0)
{
if (tag == DW_TAG_pointer_type || tag == DW_TAG_ptr_to_member_type)
if (dwarf_is_pointer (tag))
size = 8;
else
return -1;
backends/alpha_retval.c
+2 -3
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@@ -89,15 +89,14 @@ alpha_return_value_location (Dwarf_Die *functypedie, const Dwarf_Op **locp)
case DW_TAG_base_type:
case DW_TAG_enumeration_type:
case DW_TAG_pointer_type:
case DW_TAG_ptr_to_member_type:
CASE_POINTER:
{
Dwarf_Attribute attr_mem;
Dwarf_Word size;
if (dwarf_formudata (dwarf_attr_integrate (typedie, DW_AT_byte_size,
&attr_mem), &size) != 0)
{
if (tag == DW_TAG_pointer_type || tag == DW_TAG_ptr_to_member_type)
if (dwarf_is_pointer (tag))
size = 8;
else
return -1;
backends/arc_init.c
+59
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@@ -0,0 +1,59 @@
/* Initialization of ARC specific backend library.
Copyright (C) 2022 Synopsys Inc.
This file is part of elfutils.
This file is free software; you can redistribute it and/or modify
it under the terms of either
* the GNU Lesser General Public License as published by the Free
Software Foundation; either version 3 of the License, or (at
your option) any later version
or
* 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
or both in parallel, as here.
elfutils 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 copies of the GNU General Public License and
the GNU Lesser General Public License along with this program. If
not, see <http://www.gnu.org/licenses/>. */
/* More details on an ARC elf can be found at:
https://github.com/foss-for-synopsys-dwc-arc-processors/ \
arc-ABI-manual/blob/master/arcv3-elf.md */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#define BACKEND arc_
#define RELOC_PREFIX R_ARC_
#include "libebl_CPU.h"
/* This defines the common reloc hooks based on arc_reloc.def. */
#include "common-reloc.c"
Ebl *
arc_init (Elf *elf __attribute__ ((unused)),
GElf_Half machine __attribute__ ((unused)),
Ebl *eh)
{
arc_init_reloc (eh);
HOOK (eh, machine_flag_check);
HOOK (eh, reloc_simple_type);
HOOK (eh, section_type_name);
/* /bld/gcc-stage2/arc-snps-linux-gnu/libgcc/libgcc.map.in
#define __LIBGCC_DWARF_FRAME_REGISTERS__. */
eh->frame_nregs = 146;
return eh;
}
backends/arc_reloc.def
+87
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@@ -0,0 +1,87 @@
/* List the relocation types for ARC. -*- C -*-
This file is part of elfutils.
This file is free software; you can redistribute it and/or modify
it under the terms of either
* the GNU Lesser General Public License as published by the Free
Software Foundation; either version 3 of the License, or (at
your option) any later version
or
* 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
or both in parallel, as here.
elfutils 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 copies of the GNU General Public License and
the GNU Lesser General Public License along with this program. If
not, see <http://www.gnu.org/licenses/>. */
/* NAME, REL|EXEC|DYN */
RELOC_TYPE (NONE, EXEC|DYN)
RELOC_TYPE (8, REL|EXEC|DYN)
RELOC_TYPE (16, REL|EXEC|DYN)
RELOC_TYPE (24, REL|EXEC|DYN)
RELOC_TYPE (32, REL|EXEC|DYN)
RELOC_TYPE (N8, REL|EXEC|DYN)
RELOC_TYPE (N16, REL|EXEC|DYN)
RELOC_TYPE (N24, REL|EXEC|DYN)
RELOC_TYPE (N32, REL|EXEC|DYN)
RELOC_TYPE (SDA, REL)
RELOC_TYPE (SECTOFF, REL)
RELOC_TYPE (S21H_PCREL, REL)
RELOC_TYPE (S21W_PCREL, REL)
RELOC_TYPE (S25H_PCREL, REL)
RELOC_TYPE (S25W_PCREL, REL)
RELOC_TYPE (SDA32, REL)
RELOC_TYPE (SDA_LDST, REL)
RELOC_TYPE (SDA_LDST1, REL)
RELOC_TYPE (SDA_LDST2, REL)
RELOC_TYPE (SDA16_LD, REL)
RELOC_TYPE (SDA16_LD1, REL)
RELOC_TYPE (SDA16_LD2, REL)
RELOC_TYPE (S13_PCREL, REL)
RELOC_TYPE (W, REL)
RELOC_TYPE (32_ME, REL)
RELOC_TYPE (N32_ME, REL)
RELOC_TYPE (SECTOFF_ME, REL)
RELOC_TYPE (SDA32_ME, REL)
RELOC_TYPE (W_ME, REL)
RELOC_TYPE (SDA_12, REL)
RELOC_TYPE (SDA16_ST2, REL)
RELOC_TYPE (32_PCREL, REL)
RELOC_TYPE (PC32, REL)
RELOC_TYPE (GOTPC32, REL)
RELOC_TYPE (PLT32, REL)
RELOC_TYPE (COPY, EXEC|DYN)
RELOC_TYPE (GLOB_DAT, EXEC|DYN)
RELOC_TYPE (JMP_SLOT, EXEC|DYN)
RELOC_TYPE (RELATIVE, EXEC|DYN)
RELOC_TYPE (GOTOFF, REL)
RELOC_TYPE (GOTPC, REL)
RELOC_TYPE (GOT32, REL)
RELOC_TYPE (S21W_PCREL_PLT, REL)
RELOC_TYPE (S25H_PCREL_PLT, REL)
RELOC_TYPE (JLI_SECTOFF, REL)
RELOC_TYPE (TLS_DTPMOD, REL)
RELOC_TYPE (TLS_DTPOFF, REL)
RELOC_TYPE (TLS_TPOFF, REL)
RELOC_TYPE (TLS_GD_GOT, REL)
RELOC_TYPE (TLS_GD_LD, REL)
RELOC_TYPE (TLS_GD_CALL, REL)
RELOC_TYPE (TLS_IE_GOT, REL)
RELOC_TYPE (TLS_DTPOFF_S9, REL)
RELOC_TYPE (TLS_LE_S9, REL)
RELOC_TYPE (TLS_LE_32, REL)
RELOC_TYPE (S25W_PCREL_PLT, REL)
RELOC_TYPE (S21H_PCREL_PLT, REL)
RELOC_TYPE (NPS_CMEM16, REL)
backends/arc_symbol.c
+81
View File
@@ -0,0 +1,81 @@
/* ARC specific symbolic name handling.
This file is part of elfutils.
This file is free software; you can redistribute it and/or modify
it under the terms of either
* the GNU Lesser General Public License as published by the Free
Software Foundation; either version 3 of the License, or (at
your option) any later version
or
* 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
or both in parallel, as here.
elfutils 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 copies of the GNU General Public License and
the GNU Lesser General Public License along with this program. If
not, see <http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <assert.h>
#include <elf.h>
#include <stddef.h>
#include <string.h>
#define BACKEND arc_
#include "libebl_CPU.h"
/* Check whether machine flags are valid. */
bool
arc_machine_flag_check (GElf_Word flags)
{
return ((flags & ~EF_ARC_ALL_MSK) == 0);
}
/* Check for the simple reloc types. */
Elf_Type
arc_reloc_simple_type (Ebl *ebl __attribute__ ((unused)), int type,
int *addsub __attribute ((unused)))
{
switch (type)
{
case R_ARC_32:
return ELF_T_WORD;
case R_ARC_16:
return ELF_T_HALF;
case R_ARC_8:
return ELF_T_BYTE;
default:
return ELF_T_NUM;
}
}
/* Return symbolic representation of section type. */
const char *
arc_section_type_name (int type,
char *buf __attribute__ ((unused)),
size_t len __attribute__ ((unused)))
{
switch (type)
{
case SHT_ARC_ATTRIBUTES:
return "ARC_ATTRIBUTES";
default:
break;
}
return NULL;
}
backends/arm_retval.c
+2 -3
View File
@@ -86,14 +86,13 @@ arm_return_value_location (Dwarf_Die *functypedie, const Dwarf_Op **locp)
case DW_TAG_base_type:
case DW_TAG_enumeration_type:
case DW_TAG_pointer_type:
case DW_TAG_ptr_to_member_type:
CASE_POINTER:
{
Dwarf_Attribute attr_mem;
if (dwarf_formudata (dwarf_attr_integrate (typedie, DW_AT_byte_size,
&attr_mem), &size) != 0)
{
if (tag == DW_TAG_pointer_type || tag == DW_TAG_ptr_to_member_type)
if (dwarf_is_pointer (tag))
size = 4;
else
return -1;
backends/i386_retval.c
+2 -3
View File
@@ -89,15 +89,14 @@ i386_return_value_location (Dwarf_Die *functypedie, const Dwarf_Op **locp)
case DW_TAG_base_type:
case DW_TAG_enumeration_type:
case DW_TAG_pointer_type:
case DW_TAG_ptr_to_member_type:
CASE_POINTER:
{
Dwarf_Word size;
Dwarf_Attribute attr_mem;
if (dwarf_formudata (dwarf_attr_integrate (typedie, DW_AT_byte_size,
&attr_mem), &size) != 0)
{
if (tag == DW_TAG_pointer_type || tag == DW_TAG_ptr_to_member_type)
if (dwarf_is_pointer (tag))
size = 4;
else
return -1;
backends/ia64_retval.c
+2 -3
View File
@@ -264,14 +264,13 @@ ia64_return_value_location (Dwarf_Die *functypedie, const Dwarf_Op **locp)
case DW_TAG_base_type:
case DW_TAG_enumeration_type:
case DW_TAG_pointer_type:
case DW_TAG_ptr_to_member_type:
CASE_POINTER:
{
Dwarf_Attribute attr_mem;
if (dwarf_formudata (dwarf_attr_integrate (typedie, DW_AT_byte_size,
&attr_mem), &size) != 0)
{
if (tag == DW_TAG_pointer_type || tag == DW_TAG_ptr_to_member_type)
if (dwarf_is_pointer (tag))
size = 8;
else
return -1;
backends/libebl_CPU.h
+27 -2
View File
@@ -1,5 +1,6 @@
/* Common interface for libebl modules.
Copyright (C) 2000, 2001, 2002, 2003, 2005, 2013, 2014 Red Hat, Inc.
Copyright (C) 2023 Mark J. Wielaard <mark@klomp.org>
This file is part of elfutils.
This file is free software; you can redistribute it and/or modify
@@ -53,7 +54,9 @@ extern bool (*generic_debugscn_p) (const char *) attribute_hidden;
dwarf_tag (_die); })
/* Get a type die corresponding to DIE. Peel CV qualifiers off
it. */
it. Returns zero if the DIE doesn't have a type, or the type
is DW_TAG_unspecified_type. Returns -1 on error. Otherwise
returns the result tag DW_AT value. */
static inline int
dwarf_peeled_die_type (Dwarf_Die *die, Dwarf_Die *result)
{
@@ -63,13 +66,35 @@ dwarf_peeled_die_type (Dwarf_Die *die, Dwarf_Die *result)
/* The function has no return value, like a `void' function in C. */
return 0;
if (result == NULL)
return -1;
if (dwarf_formref_die (attr, result) == NULL)
return -1;
if (dwarf_peel_type (result, result) != 0)
return -1;
return DWARF_TAG_OR_RETURN (result);
int tag = dwarf_tag (result);
if (tag == DW_TAG_unspecified_type)
return 0; /* Treat an unspecified type as if there was no type. */
return tag;
}
static inline bool
dwarf_is_pointer (int tag)
{
return tag == DW_TAG_pointer_type
|| tag == DW_TAG_ptr_to_member_type
|| tag == DW_TAG_reference_type
|| tag == DW_TAG_rvalue_reference_type;
}
#define CASE_POINTER \
case DW_TAG_pointer_type: \
case DW_TAG_ptr_to_member_type: \
case DW_TAG_reference_type: \
case DW_TAG_rvalue_reference_type
#endif /* libebl_CPU.h */
backends/linux-core-note.c
+1
View File
@@ -239,6 +239,7 @@ EBLHOOK(core_note) (const GElf_Nhdr *nhdr, const char *name,
return 0;
*regs_offset = 0;
*nregloc = 0;
*reglocs = NULL;
*nitems = 1;
*items = vmcoreinfo_items;
return 1;
backends/loongarch_cfi.c
+83
View File
@@ -0,0 +1,83 @@
/* LoongArch ABI-specified defaults for DWARF CFI.
Copyright (C) 2023 OpenAnolis community LoongArch SIG.
Copyright (C) 2023 Loongson Technology Corporation Limted.
This file is part of elfutils.
This file is free software; you can redistribute it and/or modify
it under the terms of either
* the GNU Lesser General Public License as published by the Free
Software Foundation; either version 3 of the License, or (at
your option) any later version
or
* 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
or both in parallel, as here.
elfutils 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 copies of the GNU General Public License and
the GNU Lesser General Public License along with this program. If
not, see <http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <dwarf.h>
#define BACKEND loongarch_
#include "libebl_CPU.h"
/* LoongArch ELF ABI specification:
https://loongson.github.io/LoongArch-Documentation/LoongArch-ELF-ABI-EN.html#_register_convention
*/
int
loongarch_abi_cfi (Ebl *ebl __attribute__ ((unused)), Dwarf_CIE *abi_info)
{
static const uint8_t abi_cfi[] =
{
/* The initial Canonical Frame Address is the value of the
Stack Pointer ($r3) as setup in the previous frame. */
DW_CFA_def_cfa, ULEB128_7 (3), ULEB128_7 (0),
/* The Stack Pointer ($r3) is restored from CFA address by default. */
DW_CFA_val_offset, ULEB128_7 (3), ULEB128_7 (0),
#define SV(n) DW_CFA_same_value, ULEB128_7 (n)
/* The return address register contains the return address setup by
caller. */
SV (1),
/* Callee-saved registers $s0-$s7. */
SV (23), SV (24), SV (25), SV (26), SV (27), SV (28),
SV (29), SV (30), SV (31),
/* The Frame Pointer ($fp, $r22) */
SV(22),
/* Callee-saved registers $fs0-$fs7. */
SV (56), SV (57), SV (58), SV (59), SV (60), SV (61),
SV (62), SV (63),
#undef SV
/* XXX Note: registers intentionally unused by the program,
for example as a consequence of the procedure call standard
should be initialized as if by DW_CFA_same_value. */
};
abi_info->initial_instructions = abi_cfi;
abi_info->initial_instructions_end = &abi_cfi[sizeof abi_cfi];
abi_info->data_alignment_factor = -4;
abi_info->return_address_register = 1; /* ra. */
return 0;
}
backends/loongarch_corenote.c
+114
View File
@@ -0,0 +1,114 @@
/* LoongArch specific core note handling.
Copyright (C) 2023 Loongson Technology Corporation Limited.
This file is part of elfutils.
This file is free software; you can redistribute it and/or modify
it under the terms of either
* the GNU Lesser General Public License as published by the Free
Software Foundation; either version 3 of the License, or (at
your option) any later version
or
* 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
or both in parallel, as here.
elfutils 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 copies of the GNU General Public License and
the GNU Lesser General Public License along with this program. If
not, see <http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <elf.h>
#include <inttypes.h>
#include <stddef.h>
#include <stdio.h>
#include <sys/time.h>
#define BACKEND loongarch_
#include "libebl_CPU.h"
#define ULONG uint64_t
#define PID_T int32_t
#define UID_T uint32_t
#define GID_T uint32_t
#define ALIGN_ULONG 8
#define ALIGN_PID_T 4
#define ALIGN_UID_T 4
#define ALIGN_GID_T 4
#define TYPE_ULONG ELF_T_XWORD
#define TYPE_PID_T ELF_T_SWORD
#define TYPE_UID_T ELF_T_WORD
#define TYPE_GID_T ELF_T_WORD
#define PRSTATUS_REGS_SIZE (45 * 8)
static const Ebl_Register_Location prstatus_regs[] =
{
{ .offset = 0, .regno = 0, .count = 32, .bits = 64 }, /* r0..r31 */
};
#define PRSTATUS_REGSET_ITEMS \
{ \
.name = "orig_a0", .type = ELF_T_XWORD, .format = 'x', \
.offset = (offsetof (struct EBLHOOK(prstatus), pr_reg) \
+ 32 * 8), \
.group = "register" \
}, \
{ \
.name = "csr_era", .type = ELF_T_XWORD, .format = 'x', \
.offset = (offsetof (struct EBLHOOK(prstatus), pr_reg) \
+ 33 * 8), \
.group = "register", \
.pc_register = true \
}, \
{ \
.name = "csr_badvaddr", .type = ELF_T_XWORD, .format = 'x', \
.offset = (offsetof (struct EBLHOOK(prstatus), pr_reg) \
+ 34 * 8), \
.group = "register" \
}, \
{ \
.name = "csr_crmd", .type = ELF_T_XWORD, .format = 'x', \
.offset = (offsetof (struct EBLHOOK(prstatus), pr_reg) \
+ 35 * 8), \
.group = "register" \
}, \
{ \
.name = "csr_prmd", .type = ELF_T_XWORD, .format = 'x', \
.offset = (offsetof (struct EBLHOOK(prstatus), pr_reg) \
+ 36 * 8), \
.group = "register" \
}, \
{ \
.name = "csr_euen", .type = ELF_T_XWORD, .format = 'x', \
.offset = (offsetof (struct EBLHOOK(prstatus), pr_reg) \
+ 37 * 8), \
.group = "register" \
}, \
{ \
.name = "csr_ecfg", .type = ELF_T_XWORD, .format = 'x', \
.offset = (offsetof (struct EBLHOOK(prstatus), pr_reg) \
+ 38 * 8), \
.group = "register" \
}, \
{ \
.name = "csr_estat", .type = ELF_T_XWORD, .format = 'x', \
.offset = (offsetof (struct EBLHOOK(prstatus), pr_reg) \
+ 39 * 8), \
.group = "register" \
}
/* 40 ~ 44 reserved */
#include "linux-core-note.c"
backends/loongarch_init.c
+62
View File
@@ -0,0 +1,62 @@
/* Initialization of LoongArch specific backend library.
Copyright (C) 2022 Hengqi Chen
Copyright (C) 2023 OpenAnolis community LoongArch SIG.
Copyright (C) 2023 Loongson Technology Corporation Limted.
This file is part of elfutils.
This file is free software; you can redistribute it and/or modify
it under the terms of either
* the GNU Lesser General Public License as published by the Free
Software Foundation; either version 3 of the License, or (at
your option) any later version
or
* 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
or both in parallel, as here.
elfutils 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 copies of the GNU General Public License and
the GNU Lesser General Public License along with this program. If
not, see <http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#define BACKEND loongarch_
#define RELOC_PREFIX R_LARCH_
#include "libebl_CPU.h"
/* This defines the common reloc hooks based on loongarch_reloc.def. */
#include "common-reloc.c"
Ebl *
loongarch_init (Elf *elf __attribute__ ((unused)),
GElf_Half machine __attribute__ ((unused)),
Ebl *eh)
{
loongarch_init_reloc (eh);
HOOK (eh, reloc_simple_type);
HOOK (eh, machine_flag_check);
HOOK (eh, register_info);
HOOK (eh, core_note);
HOOK (eh, abi_cfi);
/* gcc/config/ #define DWARF_FRAME_REGISTERS. */
eh->frame_nregs = 74;
HOOK (eh, check_special_symbol);
HOOK (eh, set_initial_registers_tid);
HOOK (eh, return_value_location);
HOOK (eh, unwind);
return eh;
}
backends/loongarch_initreg.c
+88
View File
@@ -0,0 +1,88 @@
/* Fetch live process registers from TID.
Copyright (C) 2023 OpenAnolis community LoongArch SIG.
Copyright (C) 2023 Loongson Technology Corporation Limted.
This file is part of elfutils.
This file is free software; you can redistribute it and/or modify
it under the terms of either
* the GNU Lesser General Public License as published by the Free
Software Foundation; either version 3 of the License, or (at
your option) any later version
or
* 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
or both in parallel, as here.
elfutils 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 copies of the GNU General Public License and
the GNU Lesser General Public License along with this program. If
not, see <http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "system.h"
#include <assert.h>
#if defined __loongarch__ && defined __linux__
# include <sys/uio.h>
# include <sys/procfs.h>
# include <sys/ptrace.h>
#endif
#define BACKEND loongarch_
#include "libebl_CPU.h"
bool
loongarch_set_initial_registers_tid (pid_t tid __attribute__ ((unused)),
ebl_tid_registers_t *setfunc __attribute__ ((unused)),
void *arg __attribute__ ((unused)))
{
#if !defined __loongarch__ || !defined __linux__
return false;
#else /* __loongarch__ */
/* General registers. */
struct user_regs_struct gregs;
struct iovec iovec;
iovec.iov_base = &gregs;
iovec.iov_len = sizeof (gregs);
if (ptrace (PTRACE_GETREGSET, tid, NT_PRSTATUS, &iovec) != 0)
return false;
/* $r0 is constant 0. */
Dwarf_Word zero = 0;
if (! setfunc (0, 1, &zero, arg))
return false;
/* $r1-$r31. */
if (! setfunc (1, 32, (Dwarf_Word *) &gregs.regs[1], arg))
return false;
/* PC. */
if (! setfunc (-1, 1, (Dwarf_Word *) &gregs.csr_era, arg))
return false;
/* Floating-point registers (only 64bits are used). */
struct user_fp_struct fregs;
iovec.iov_base = &fregs;
iovec.iov_len = sizeof (fregs);
if (ptrace (PTRACE_GETREGSET, tid, NT_FPREGSET, &iovec) != 0)
return false;
/* $f0-$f31 */
if (! setfunc (32, 32, (Dwarf_Word *) &fregs.fpr[0], arg))
return false;
return true;
#endif /* __loongarch__ */
}
backends/loongarch_regs.c
+141
View File
@@ -0,0 +1,141 @@
/* Register names and numbers for LoongArch DWARF.
Copyright (C) 2023 OpenAnolis community LoongArch SIG.
Copyright (C) 2023 Loongson Technology Corporation Limted.
This file is part of elfutils.
This file is free software; you can redistribute it and/or modify
it under the terms of either
* the GNU Lesser General Public License as published by the Free
Software Foundation; either version 3 of the License, or (at
your option) any later version
or
* 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
or both in parallel, as here.
elfutils 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 copies of the GNU General Public License and
the GNU Lesser General Public License along with this program. If
not, see <http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <string.h>
#include <dwarf.h>
#define BACKEND loongarch_
#include "libebl_CPU.h"
ssize_t
loongarch_register_info (Ebl *ebl, int regno, char *name, size_t namelen,
const char **prefix, const char **setname,
int *bits, int *type)
{
if (name == NULL)
return 64;
*prefix = "";
if (regno < 32)
{
*setname = "integer";
*type = DW_ATE_signed;
*bits = ebl->class == ELFCLASS64 ? 64 : 32;
}
else
{
*setname = "FPU";
*type = DW_ATE_float;
*bits = 64;
}
switch (regno)
{
case 0:
return stpcpy (name, "zero") + 1 - name;
case 1:
*type = DW_ATE_address;
return stpcpy (name, "ra") + 1 - name;
case 2:
*type = DW_ATE_address;
return stpcpy (name, "tp") + 1 - name;
case 3:
*type = DW_ATE_address;
return stpcpy (name, "sp") + 1 - name;
case 4 ... 11:
name[0] = 'a';
name[1] = regno - 4 + '0';
namelen = 2;
break;
case 12 ... 20:
name[0] = 't';
name[1] = regno - 12 + '0';
namelen = 2;
break;
case 21:
return stpcpy (name, "u0") + 1 - name;
case 22:
*type = DW_ATE_address;
return stpcpy (name, "fp") + 1 - name;
case 23 ... 31:
name[0] = 's';
name[1] = regno - 23 + '0';
namelen = 2;
break;
case 32 ... 39:
name[0] = 'f';
name[1] = 'a';
name[2] = regno - 32 + '0';
namelen = 3;
break;
case 40 ... 49:
name[0] = 'f';
name[1] = 't';
name[2] = regno - 40 + '0';
namelen = 3;
break;
case 50 ... 55:
name[0] = 'f';
name[1] = 't';
name[2] = '1';
name[3] = regno - 50 + '0';
namelen = 4;
break;
case 56 ... 63:
name[0] = 'f';
name[1] = 's';
name[2] = regno - 56 + '0';
namelen = 3;
break;
default:
*setname = NULL;
return 0;
}
name[namelen++] = '\0';
return namelen;
}
backends/loongarch_reloc.def
+130
View File
@@ -0,0 +1,130 @@
/* List the relocation types for LoongArch. -*- C -*-
This file is part of elfutils.
This file is free software; you can redistribute it and/or modify
it under the terms of either
* the GNU Lesser General Public License as published by the Free
Software Foundation; either version 3 of the License, or (at
your option) any later version
or
* 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
or both in parallel, as here.
elfutils 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 copies of the GNU General Public License and
the GNU Lesser General Public License along with this program. If
not, see <http://www.gnu.org/licenses/>. */
/* NAME, REL|EXEC|DYN */
RELOC_TYPE (NONE, EXEC|DYN)
RELOC_TYPE (32, REL|EXEC|DYN)
RELOC_TYPE (64, REL|EXEC|DYN)
RELOC_TYPE (RELATIVE, EXEC|DYN)
RELOC_TYPE (COPY, EXEC|DYN)
RELOC_TYPE (JUMP_SLOT, EXEC|DYN)
RELOC_TYPE (TLS_DTPMOD32, EXEC|DYN)
RELOC_TYPE (TLS_DTPMOD64, EXEC|DYN)
RELOC_TYPE (TLS_DTPREL32, EXEC|DYN)
RELOC_TYPE (TLS_DTPREL64, EXEC|DYN)
RELOC_TYPE (TLS_TPREL32, EXEC|DYN)
RELOC_TYPE (TLS_TPREL64, EXEC|DYN)
RELOC_TYPE (IRELATIVE, EXEC|DYN)
RELOC_TYPE (MARK_LA, REL)
RELOC_TYPE (MARK_PCREL, REL)
RELOC_TYPE (SOP_PUSH_PCREL, REL)
RELOC_TYPE (SOP_PUSH_ABSOLUTE, REL)
RELOC_TYPE (SOP_PUSH_DUP, REL)
RELOC_TYPE (SOP_PUSH_GPREL, REL)
RELOC_TYPE (SOP_PUSH_TLS_TPREL, REL)
RELOC_TYPE (SOP_PUSH_TLS_GOT, REL)
RELOC_TYPE (SOP_PUSH_TLS_GD, REL)
RELOC_TYPE (SOP_PUSH_PLT_PCREL, REL)
RELOC_TYPE (SOP_ASSERT, REL)
RELOC_TYPE (SOP_NOT, REL)
RELOC_TYPE (SOP_SUB, REL)
RELOC_TYPE (SOP_SL, REL)
RELOC_TYPE (SOP_SR, REL)
RELOC_TYPE (SOP_ADD, REL)
RELOC_TYPE (SOP_AND, REL)
RELOC_TYPE (SOP_IF_ELSE, REL)
RELOC_TYPE (SOP_POP_32_S_10_5, REL)
RELOC_TYPE (SOP_POP_32_U_10_12, REL)
RELOC_TYPE (SOP_POP_32_S_10_12, REL)
RELOC_TYPE (SOP_POP_32_S_10_16, REL)
RELOC_TYPE (SOP_POP_32_S_10_16_S2, REL)
RELOC_TYPE (SOP_POP_32_S_5_20, REL)
RELOC_TYPE (SOP_POP_32_S_0_5_10_16_S2, REL)
RELOC_TYPE (SOP_POP_32_S_0_10_10_16_S2, REL)
RELOC_TYPE (SOP_POP_32_U, REL)
RELOC_TYPE (ADD8, REL)
RELOC_TYPE (ADD16, REL)
RELOC_TYPE (ADD24, REL)
RELOC_TYPE (ADD32, REL)
RELOC_TYPE (ADD64, REL)
RELOC_TYPE (SUB8, REL)
RELOC_TYPE (SUB16, REL)
RELOC_TYPE (SUB24, REL)
RELOC_TYPE (SUB32, REL)
RELOC_TYPE (SUB64, REL)
RELOC_TYPE (GNU_VTINHERIT, REL)
RELOC_TYPE (GNU_VTENTRY, REL)
/* reserved 59-63 */
RELOC_TYPE (B16, REL)
RELOC_TYPE (B21, REL)
RELOC_TYPE (B26, REL)
RELOC_TYPE (ABS_HI20, REL)
RELOC_TYPE (ABS_LO12, REL)
RELOC_TYPE (ABS64_LO20, REL)
RELOC_TYPE (ABS64_HI12, REL)
RELOC_TYPE (PCALA_HI20, REL)
RELOC_TYPE (PCALA_LO12, REL)
RELOC_TYPE (PCALA64_LO20, REL)
RELOC_TYPE (PCALA64_HI12, REL)
RELOC_TYPE (GOT_PC_HI20, REL)
RELOC_TYPE (GOT_PC_LO12, REL)
RELOC_TYPE (GOT64_PC_LO20, REL)
RELOC_TYPE (GOT64_PC_HI12, REL)
RELOC_TYPE (GOT_HI20, REL)
RELOC_TYPE (GOT_LO12, REL)
RELOC_TYPE (GOT64_LO20, REL)
RELOC_TYPE (GOT64_HI12, REL)
RELOC_TYPE (TLS_LE_HI20, REL)
RELOC_TYPE (TLS_LE_LO12, REL)
RELOC_TYPE (TLS_LE64_LO20, REL)
RELOC_TYPE (TLS_LE64_HI12, REL)
RELOC_TYPE (TLS_IE_PC_HI20, REL)
RELOC_TYPE (TLS_IE_PC_LO12, REL)
RELOC_TYPE (TLS_IE64_PC_LO20, REL)
RELOC_TYPE (TLS_IE64_PC_HI12, REL)
RELOC_TYPE (TLS_IE_HI20, REL)
RELOC_TYPE (TLS_IE_LO12, REL)
RELOC_TYPE (TLS_IE64_LO20, REL)
RELOC_TYPE (TLS_IE64_HI12, REL)
RELOC_TYPE (TLS_LD_PC_HI20, REL)
RELOC_TYPE (TLS_LD_HI20, REL)
RELOC_TYPE (TLS_GD_PC_HI20, REL)
RELOC_TYPE (TLS_GD_HI20, REL)
RELOC_TYPE (32_PCREL, REL)
RELOC_TYPE (RELAX, REL)
RELOC_TYPE (DELETE, REL)
RELOC_TYPE (ALIGN, REL)
RELOC_TYPE (PCREL20_S2, REL)
RELOC_TYPE (CFA, REL)
RELOC_TYPE (ADD6, REL)
RELOC_TYPE (SUB6, REL)
RELOC_TYPE (ADD_ULEB128, REL)
RELOC_TYPE (SUB_ULEB128, REL)
RELOC_TYPE (64_PCREL, REL)
backends/loongarch_retval.c
+202
View File
@@ -0,0 +1,202 @@
/* Function return value location for Linux/LoongArch ABI.
Copyright (C) 2013 Red Hat, Inc.
Copyright (C) 2023 OpenAnolis community LoongArch SIG.
Copyright (C) 2023 Loongson Technology Corporation Limited.
This file is part of elfutils.
This file is free software; you can redistribute it and/or modify
it under the terms of either
* the GNU Lesser General Public License as published by the Free
Software Foundation; either version 3 of the License, or (at
your option) any later version
or
* 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
or both in parallel, as here.
elfutils 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 copies of the GNU General Public License and
the GNU Lesser General Public License along with this program. If
not, see <http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdio.h>
#include <inttypes.h>
#include <assert.h>
#include <dwarf.h>
#define BACKEND loongarch_
#include "libebl_CPU.h"
static int
dwarf_bytesize_aux (Dwarf_Die *die, Dwarf_Word *sizep)
{
int bits;
if (((bits = 8 * dwarf_bytesize (die)) < 0
&& (bits = dwarf_bitsize (die)) < 0)
|| bits % 8 != 0)
return -1;
*sizep = bits / 8;
return 0;
}
static int
pass_in_gpr (const Dwarf_Op **locp, Dwarf_Word size)
{
static const Dwarf_Op loc[] =
{
{ .atom = DW_OP_reg4 }, { .atom = DW_OP_piece, .number = 8 },
{ .atom = DW_OP_reg5 }, { .atom = DW_OP_piece, .number = 8 }
};
*locp = loc;
return size <= 8 ? 1 : 4;
}
static int
pass_by_ref (const Dwarf_Op **locp)
{
static const Dwarf_Op loc[] = { { .atom = DW_OP_breg4 } };
*locp = loc;
return 1;
}
static int
pass_in_fpr (const Dwarf_Op **locp, Dwarf_Word size)
{
static const Dwarf_Op loc[] =
{
{ .atom = DW_OP_regx, .number = 32 },
{ .atom = DW_OP_piece, .number = 8 },
{ .atom = DW_OP_regx, .number = 33 },
{ .atom = DW_OP_piece, .number = 8 }
};
*locp = loc;
return size <= 8 ? 1 : 4;
}
int
loongarch_return_value_location(Dwarf_Die *functypedie,
const Dwarf_Op **locp)
{
/* Start with the function's type, and get the DW_AT_type attribute,
which is the type of the return value. */
Dwarf_Die typedie;
int tag = dwarf_peeled_die_type (functypedie, &typedie);
if (tag <= 0)
return tag;
Dwarf_Word size = (Dwarf_Word)-1;
/* If the argument type is a Composite Type that is larger than 16
bytes, then the argument is copied to memory allocated by the
caller and the argument is replaced by a pointer to the copy. */
if (tag == DW_TAG_structure_type || tag == DW_TAG_union_type
|| tag == DW_TAG_class_type || tag == DW_TAG_array_type)
{
if (dwarf_aggregate_size (&typedie, &size) < 0)
return -1;
/* Aggregates larger than 2*GRLEN bits are passed by reference. */
if (size > 16)
return pass_by_ref (locp);
/* Aggregates whose total size is no more than GRLEN bits are passed in
a register. Aggregates whose total size is no more than 2*GRLEN bits
are passed in a pair of registers. */
else
return pass_in_gpr (locp, size);
}
if (tag == DW_TAG_base_type || dwarf_is_pointer (tag))
{
if (dwarf_bytesize_aux (&typedie, &size) < 0)
{
if (dwarf_is_pointer (tag))
size = 8;
else
return -1;
}
Dwarf_Attribute attr_mem;
if (tag == DW_TAG_base_type)
{
Dwarf_Word encoding;
if (dwarf_formudata (dwarf_attr_integrate (&typedie, DW_AT_encoding,
&attr_mem),
&encoding) != 0)
return -1;
switch (encoding)
{
case DW_ATE_boolean:
case DW_ATE_signed:
case DW_ATE_unsigned:
case DW_ATE_unsigned_char:
case DW_ATE_signed_char:
/* Scalars that are at most GRLEN bits wide are passed in a single
argument register. Scalars that are 2*GRLEN bits wide are
passed in a pair of argument registers. Scalars wider than
2*GRLEN are passed by reference. */
return pass_in_gpr (locp, size);
case DW_ATE_float:
/* A real floating-point argument is passed in a floating-point
argument register if it is no more than FLEN bits wide,
otherwise it is passed according to the integer calling
convention. */
switch (size)
{
case 4: /* single */
case 8: /* double */
return pass_in_fpr (locp, size);
case 16: /* quad */
return pass_in_gpr (locp, size);
default:
return -2;
}
case DW_ATE_complex_float:
/* A complex floating-point number is passed as though it were a
struct containing two floating-point reals. */
switch (size)
{
case 8: /* float _Complex */
case 16: /* double _Complex */
return pass_in_fpr (locp, size);
case 32: /* long double _Complex */
return pass_by_ref (locp);
default:
return -2;
}
}
return -2;
}
else
return pass_in_gpr (locp, size);
}
*locp = NULL;
return 0;
}
backends/loongarch_symbol.c
+116
View File
@@ -0,0 +1,116 @@
/* LoongArch specific symbolic name handling.
Copyright (C) 2022 Hengqi Chen
This file is part of elfutils.
This file is free software; you can redistribute it and/or modify
it under the terms of either
* the GNU Lesser General Public License as published by the Free
Software Foundation; either version 3 of the License, or (at
your option) any later version
or
* 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
or both in parallel, as here.
elfutils 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 copies of the GNU General Public License and
the GNU Lesser General Public License along with this program. If
not, see <http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <assert.h>
#include <elf.h>
#include <stddef.h>
#include <string.h>
#define BACKEND loongarch_
#include "libebl_CPU.h"
/* Check for the simple reloc types. */
Elf_Type
loongarch_reloc_simple_type (Ebl *ebl __attribute__ ((unused)), int type,
int *addsub)
{
switch (type)
{
case R_LARCH_32:
return ELF_T_WORD;
case R_LARCH_64:
return ELF_T_XWORD;
case R_LARCH_ADD16:
*addsub = 1;
return ELF_T_HALF;
case R_LARCH_ADD32:
*addsub = 1;
return ELF_T_WORD;
case R_LARCH_ADD64:
*addsub = 1;
return ELF_T_XWORD;
case R_LARCH_SUB16:
*addsub = -1;
return ELF_T_HALF;
case R_LARCH_SUB32:
*addsub = -1;
return ELF_T_WORD;
case R_LARCH_SUB64:
*addsub = -1;
return ELF_T_XWORD;
default:
return ELF_T_NUM;
}
}
bool
loongarch_machine_flag_check (GElf_Word flags)
{
return ((flags &~ (EF_LARCH_ABI_MODIFIER_MASK
| EF_LARCH_OBJABI_V1)) == 0);
}
/* Check whether given symbol's st_value and st_size are OK despite failing
normal checks. */
bool
loongarch_check_special_symbol (Elf *elf, const GElf_Sym *sym,
const char *name, const GElf_Shdr *destshdr)
{
if (name != NULL
&& strcmp (name, "_GLOBAL_OFFSET_TABLE_") == 0)
{
size_t shstrndx;
if (elf_getshdrstrndx (elf, &shstrndx) != 0)
return false;
const char *sname = elf_strptr (elf, shstrndx, destshdr->sh_name);
if (sname != NULL
&& (strcmp (sname, ".got") == 0 || strcmp (sname, ".got.plt") == 0))
{
Elf_Scn *scn = NULL;
while ((scn = elf_nextscn (elf, scn)) != NULL)
{
GElf_Shdr shdr_mem;
GElf_Shdr *shdr = gelf_getshdr (scn, &shdr_mem);
if (shdr != NULL)
{
sname = elf_strptr (elf, shstrndx, shdr->sh_name);
if (sname != NULL && strcmp (sname, ".got") == 0)
return (sym->st_value >= shdr->sh_addr
&& sym->st_value < shdr->sh_addr + shdr->sh_size);
}
}
}
}
return false;
}
backends/loongarch_unwind.c
+84
View File
@@ -0,0 +1,84 @@
/* Get previous frame state for an existing frame state.
Copyright (C) 2023 OpenAnolis community LoongArch SIG.
Copyright (C) 2023 Loongson Technology Corporation Limited.
This file is part of elfutils.
This file is free software; you can redistribute it and/or modify
it under the terms of either
* the GNU Lesser General Public License as published by the Free
Software Foundation; either version 3 of the License, or (at
your option) any later version
or
* 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
or both in parallel, as here.
elfutils 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 copies of the GNU General Public License and
the GNU Lesser General Public License along with this program. If
not, see <http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#define BACKEND loongarch_
#define RA_REG 1
#define SP_REG 3
#define FP_REG 22
#define RA_OFFSET 8
#define FP_OFFSET 16
#include "libebl_CPU.h"
/* There was no CFI. Maybe we happen to have a frame pointer and can unwind from that? */
bool
EBLHOOK(unwind) (Ebl *ebl __attribute__ ((unused)), Dwarf_Addr pc __attribute__ ((unused)),
ebl_tid_registers_t *setfunc, ebl_tid_registers_get_t *getfunc,
ebl_pid_memory_read_t *readfunc, void *arg,
bool *signal_framep __attribute__ ((unused)))
{
Dwarf_Word fp, ra, sp;
if (!getfunc(RA_REG, 1, &ra, arg))
return false;
if (ra == 0 || !setfunc(-1, 1, &ra, arg))
return false;
if (!getfunc(FP_REG, 1, &fp, arg))
fp = 0;
if (!getfunc(SP_REG, 1, &sp, arg))
sp = 0;
Dwarf_Word newRa, newFp, newSp;
if (!readfunc(fp - RA_OFFSET, &newRa, arg))
newRa = 0;
if (!readfunc(fp - FP_OFFSET, &newFp, arg))
newFp = 0;
newSp = fp;
// These are not fatal if they don't work. They will just prevent unwinding at the next frame.
setfunc(RA_REG, 1, &newRa, arg);
setfunc(FP_REG, 1, &newFp, arg);
setfunc(SP_REG, 1, &newSp, arg);
// If the fp is invalid, we might still have a valid ra.
// But if the fp is valid, then the stack should be moving in the right direction.
return fp == 0 || newSp > sp;
}
backends/m68k_retval.c
+2 -3
View File
@@ -96,15 +96,14 @@ m68k_return_value_location (Dwarf_Die *functypedie, const Dwarf_Op **locp)
case DW_TAG_base_type:
case DW_TAG_enumeration_type:
case DW_TAG_pointer_type:
case DW_TAG_ptr_to_member_type:
CASE_POINTER:
{
Dwarf_Word size;
Dwarf_Attribute attr_mem;
if (dwarf_formudata (dwarf_attr_integrate (typedie, DW_AT_byte_size,
&attr_mem), &size) != 0)
{
if (tag == DW_TAG_pointer_type || tag == DW_TAG_ptr_to_member_type)
if (dwarf_is_pointer (tag))
size = 4;
else
return -1;
backends/ppc64_retval.c
+2 -3
View File
@@ -100,14 +100,13 @@ ppc64_return_value_location (Dwarf_Die *functypedie, const Dwarf_Op **locp)
case DW_TAG_base_type:
case DW_TAG_enumeration_type:
case DW_TAG_pointer_type:
case DW_TAG_ptr_to_member_type:
CASE_POINTER:
{
Dwarf_Attribute attr_mem;
if (dwarf_formudata (dwarf_attr_integrate (typedie, DW_AT_byte_size,
&attr_mem), &size) != 0)
{
if (tag == DW_TAG_pointer_type || tag == DW_TAG_ptr_to_member_type)
if (dwarf_is_pointer (tag))
size = 8;
else
return -1;
backends/ppc_retval.c
+2 -3
View File
@@ -112,14 +112,13 @@ ppc_return_value_location (Dwarf_Die *functypedie, const Dwarf_Op **locp)
case DW_TAG_base_type:
case DW_TAG_enumeration_type:
case DW_TAG_pointer_type:
case DW_TAG_ptr_to_member_type:
CASE_POINTER:
{
Dwarf_Attribute attr_mem;
if (dwarf_formudata (dwarf_attr_integrate (typedie, DW_AT_byte_size,
&attr_mem), &size) != 0)
{
if (tag == DW_TAG_pointer_type || tag == DW_TAG_ptr_to_member_type)
if (dwarf_is_pointer (tag))
size = 4;
else
return -1;
backends/riscv_reloc.def
+4
View File
@@ -81,3 +81,7 @@ RELOC_TYPE (SET8, REL)
RELOC_TYPE (SET16, REL)
RELOC_TYPE (SET32, REL)
RELOC_TYPE (32_PCREL, REL)
RELOC_TYPE (IRELATIVE, EXEC|DYN)
RELOC_TYPE (PLT32, REL)
RELOC_TYPE (SET_ULEB128, REL)
RELOC_TYPE (SUB_ULEB128, REL)
backends/riscv_retval.c
+2 -3
View File
@@ -170,12 +170,11 @@ riscv_return_value_location_lp64ifd (int fp, Dwarf_Die *functypedie,
return pass_in_gpr_lp64 (locp, size);
}
if (tag == DW_TAG_base_type
|| tag == DW_TAG_pointer_type || tag == DW_TAG_ptr_to_member_type)
if (tag == DW_TAG_base_type || dwarf_is_pointer (tag))
{
if (dwarf_bytesize_aux (&typedie, &size) < 0)
{
if (tag == DW_TAG_pointer_type || tag == DW_TAG_ptr_to_member_type)
if (dwarf_is_pointer (tag))
size = 8;
else
return -1;
backends/s390_retval.c
+2 -3
View File
@@ -91,8 +91,7 @@ s390_return_value_location (Dwarf_Die *functypedie, const Dwarf_Op **locp)
case DW_TAG_base_type:
case DW_TAG_enumeration_type:
case DW_TAG_pointer_type:
case DW_TAG_ptr_to_member_type:
CASE_POINTER:
{
Dwarf_Die cudie;
uint8_t asize;
@@ -103,7 +102,7 @@ s390_return_value_location (Dwarf_Die *functypedie, const Dwarf_Op **locp)
if (dwarf_formudata (dwarf_attr (typedie, DW_AT_byte_size,
&attr_mem), &size) != 0)
{
if (tag == DW_TAG_pointer_type || tag == DW_TAG_ptr_to_member_type)
if (dwarf_is_pointer (tag))
size = asize;
else
return -1;
backends/sh_retval.c
+2 -3
View File
@@ -88,14 +88,13 @@ sh_return_value_location (Dwarf_Die *functypedie, const Dwarf_Op **locp)
case DW_TAG_base_type:
case DW_TAG_enumeration_type:
case DW_TAG_pointer_type:
case DW_TAG_ptr_to_member_type:
CASE_POINTER:
{
Dwarf_Attribute attr_mem;
if (dwarf_formudata (dwarf_attr_integrate (typedie, DW_AT_byte_size,
&attr_mem), &size) != 0)
{
if (tag == DW_TAG_pointer_type || tag == DW_TAG_ptr_to_member_type)
if (dwarf_is_pointer (tag))
size = 4;
else
return -1;
backends/sparc_reloc.def
+1 -1
View File
@@ -28,7 +28,7 @@
/* NAME, REL|EXEC|DYN */
RELOC_TYPE (NONE, REL)
RELOC_TYPE (NONE, REL|EXEC|DYN)
RELOC_TYPE (8, REL)
RELOC_TYPE (16, REL)
RELOC_TYPE (32, REL|DYN)
backends/sparc_retval.c
+2 -3
View File
@@ -95,8 +95,7 @@ sparc_return_value_location (Dwarf_Die *functypedie, const Dwarf_Op **locp)
case DW_TAG_base_type:
case DW_TAG_enumeration_type:
case DW_TAG_pointer_type:
case DW_TAG_ptr_to_member_type:
CASE_POINTER:
{
Dwarf_Attribute attr_mem;
if (dwarf_formudata (dwarf_attr_integrate (typedie, DW_AT_byte_size,
@@ -104,7 +103,7 @@ sparc_return_value_location (Dwarf_Die *functypedie, const Dwarf_Op **locp)
{
uint8_t asize;
Dwarf_Die cudie;
if ((tag == DW_TAG_pointer_type || tag == DW_TAG_ptr_to_member_type)
if (dwarf_is_pointer (tag)
&& dwarf_diecu (typedie, &cudie, &asize, NULL) != NULL)
size = asize;
else
backends/x86_64_retval.c
+3 -4
View File
@@ -104,14 +104,13 @@ x86_64_return_value_location (Dwarf_Die *functypedie, const Dwarf_Op **locp)
case DW_TAG_base_type:
case DW_TAG_enumeration_type:
case DW_TAG_pointer_type:
case DW_TAG_ptr_to_member_type:
CASE_POINTER:
{
Dwarf_Attribute attr_mem;
if (dwarf_formudata (dwarf_attr_integrate (typedie, DW_AT_byte_size,
&attr_mem), &size) != 0)
{
if (tag == DW_TAG_pointer_type || tag == DW_TAG_ptr_to_member_type)
{
if (dwarf_is_pointer (tag))
size = 8;
else
return -1;
config/ChangeLog
+5
View File
@@ -1,3 +1,8 @@
2023-02-21 Mark Wielaard <mark@klomp.org>
* eu.am (USE_AFTER_FREE3_WARNING): Define.
(AM_CFLAGS): Use USE_AFTER_FREE3_WARNING.
2022-10-02 Mark Wielaard <mark@klomp.org>
* elfutils.spec.in: Update for 0.188.
config/elfutils.spec.in
+30 -1
View File
@@ -233,7 +233,7 @@ fi
%files
%license COPYING COPYING-GPLV2 COPYING-LGPLV3 doc/COPYING-GFDL
%doc README TODO CONTRIBUTING
%doc README TODO CONTRIBUTING SECURITY
%{_bindir}/eu-addr2line
%{_bindir}/eu-ar
%{_bindir}/eu-elfclassify
@@ -341,6 +341,35 @@ exit 0
%systemd_postun_with_restart debuginfod.service
%changelog
* Fri Nov 3 2023 Mark Wielaard <mark@klomp.org> 0.190-1
- CONTRIBUTING: Switch from real name policy to known identity policy.
Updated ChangeLog policy (no more separate ChangeLog files).
There is a SECURITY bug policy now. The default branch is now 'main'.
- libelf: Add RELR support.
- libdw: Recognize .debug_[ct]u_index sections.
- readelf: Support readelf -Ds, --use-dynamic --symbol.
Support .gdb_index version 9
- scrlines: New tool that compiles a list of source files associated
with a specified dwarf/elf file.
- debuginfod: Schema change (reindexing required, sorry!) for a 60%
compression in filename representation, which was a large
part of the sqlite index; also, more deliberate sqlite
-wal management during scanning using the --scan-checkpoint option.
- backends: Various LoongArch updates.
* Fri Mar 3 2023 Mark Wielaard <mark@klomp.org> 0.189-1
- configure: eu-nm, eu-addr2line and eu-stack can provide demangled
symbols when linked with libstdc++. Use --disable-demangler to disable.
A new option --enable-sanitize-memory has been added for msan sanitizer
support.
- libelf: elf_compress now supports ELFCOMPRESS_ZSTD when build
against libzstd
- libdwfl: dwfl_module_return_value_location now returns 0 (no return
type) for DIEs that point to a DW_TAG_unspecified_type.
- elfcompress: -t, --type= now support zstd if libelf has been build
with ELFCOMPRESS_ZSTD support.
- backends: Add support for LoongArch and Synopsys ARCv2 processors.
* Wed Nov 2 2022 Mark Wielaard <mark@klomp.org> 0.188-1
- readelf: Add -D, --use-dynamic option.
- debuginfod-client: Add $DEBUGINFOD_HEADERS_FILE setting to supply
config/eu.am
+8
View File
@@ -1,6 +1,7 @@
## Common automake fragments for elfutils subdirectory makefiles.
##
## Copyright (C) 2010, 2014, 2016 Red Hat, Inc.
## Copyright (C) 2023, Mark J. Wielaard <mark@klomp.org>
##
## This file is part of elfutils.
##
@@ -87,10 +88,17 @@ else
NO_PACKED_NOT_ALIGNED_WARNING=
endif
if HAVE_USE_AFTER_FREE3_WARNING
USE_AFTER_FREE3_WARNING=-Wuse-after-free=3
else
USE_AFTER_FREE3_WARNING=
endif
AM_CFLAGS = -std=gnu99 -Wall -Wshadow -Wformat=2 \
-Wold-style-definition -Wstrict-prototypes $(TRAMPOLINES_WARNING) \
$(LOGICAL_OP_WARNING) $(DUPLICATED_COND_WARNING) \
$(NULL_DEREFERENCE_WARNING) $(IMPLICIT_FALLTHROUGH_WARNING) \
$(USE_AFTER_FREE3_WARNING) \
$(if $($(*F)_no_Werror),,-Werror) \
$(if $($(*F)_no_Wunused),,-Wunused -Wextra) \
$(if $($(*F)_no_Wstack_usage),,$(STACK_USAGE_WARNING)) \
config/known-dwarf.awk
Executable → Regular
View File
config/libelf.pc.in
+1 -1
View File
@@ -11,4 +11,4 @@ URL: http://elfutils.org/
Libs: -L${libdir} -lelf
Cflags: -I${includedir}
Requires.private: zlib
Requires.private: zlib @LIBZSTD@
config/upload-release.sh
-62
View File
@@ -1,62 +0,0 @@
#!/usr/bin/env bash
# Must be run in the source directory.
# Should have passed make distcheck.
# And all final changes should already have been pushed.
# Backup copy will be created in $HOME/elfutils-$VERSION
# Any error is fatal
set -e
# We take one arguent, the version (e.g. 0.173)
if [ $# -ne 1 ]; then
echo "$0 <version> (e.g. 0.169)"
exit 1
fi
VERSION="$1"
echo Make sure the git repo is tagged, signed and pushed
echo git tag -s -m \"elfutils $VERSION release\" elfutils-$VERSION
echo git push --tags
# Create a temporary directory and make sure it is cleaned up.
tempdir=$(mktemp -d) || exit
trap "rm -rf -- ${tempdir}" EXIT
pushd "${tempdir}"
# Checkout
git clone git://sourceware.org/git/elfutils.git
cd elfutils
git tag --verify "elfutils-${VERSION}"
git checkout -b "$VERSION" "elfutils-${VERSION}"
# Create dist
autoreconf -v -f -i
./configure --enable-maintainer-mode
make -j$(nproc) && make dist
# Sign
mkdir $VERSION
cp elfutils-$VERSION.tar.bz2 $VERSION/
cd $VERSION/
gpg -b elfutils-$VERSION.tar.bz2
cd ..
# Backup copy
cp -r $VERSION $HOME/elfutils-$VERSION
# Upload
scp -r $VERSION sourceware.org:/sourceware/ftp/pub/elfutils/
ssh sourceware.org "(cd /sourceware/ftp/pub/elfutils \
&& chmod go+rx $VERSION \
&& chmod go+r $VERSION/elfutils-$VERSION.tar.bz2* \
&& ln -sf $VERSION/elfutils-$VERSION.tar.bz2 elfutils-latest.tar.bz2 \
&& ln -sf $VERSION/elfutils-$VERSION.tar.bz2.sig elfutils-latest.tar.bz2.sig \
&& ls -lah elfutils-latest*)"
# Cleanup
popd
trap - EXIT
exit
configure.ac
+81 -6
View File
@@ -2,7 +2,7 @@ dnl Process this file with autoconf to produce a configure script.
dnl Configure input file for elfutils. -*-autoconf-*-
dnl
dnl Copyright (C) 1996-2019 Red Hat, Inc.
dnl Copyright (C) 2022 Mark J. Wielaard <mark@klomp.org>
dnl Copyright (C) 2022, 2023 Mark J. Wielaard <mark@klomp.org>
dnl
dnl This file is part of elfutils.
dnl
@@ -18,7 +18,7 @@ dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with this program. If not, see <http://www.gnu.org/licenses/>.
AC_INIT([elfutils],[0.188],[https://sourceware.org/bugzilla],[elfutils],[http://elfutils.org/])
AC_INIT([elfutils],[0.190],[https://sourceware.org/bugzilla],[elfutils],[http://elfutils.org/])
dnl Workaround for older autoconf < 2.64
m4_ifndef([AC_PACKAGE_URL],
@@ -45,7 +45,7 @@ fi
AC_CONFIG_AUX_DIR([config])
AC_CONFIG_FILES([config/Makefile])
AC_COPYRIGHT([Copyright (C) 1996-2022 The elfutils developers.])
AC_COPYRIGHT([Copyright (C) 1996-2023 The elfutils developers.])
AC_PREREQ(2.63) dnl Minimum Autoconf version required.
dnl We use GNU make extensions; automake 1.10 defaults to -Wportability.
@@ -155,6 +155,29 @@ AC_SUBST([fpie_CFLAGS])
dso_LDFLAGS="-shared"
NO_UNDEFINED=-Wl,--no-undefined
AC_ARG_ENABLE([sanitize-memory],
AS_HELP_STRING([--enable-sanitize-memory],
[Use clang memory sanitizer]),
[use_msan=$enableval], [use_msan=no])
if test "$use_msan" = yes; then
old_CFLAGS="$CFLAGS"
old_CXXFLAGS="$CXXFLAGS"
old_LDFLAGS="$LDFLAGS"
# -fsanitize=memory is not compatible with -D_FORTIFY_SOURCE, -Wl,-z,defs and --no-undefined
CFLAGS="$CFLAGS -fsanitize=memory -fsanitize-memory-track-origins -D_FORTIFY_SOURCE=0"
CXXFLAGS="$CXXFLAGS -fsanitize=memory -fsanitize-memory-track-origins -D_FORTIFY_SOURCE=0"
LDFLAGS="-shared"
AC_LINK_IFELSE([AC_LANG_SOURCE([int main (int argc, char **argv) { return 0; }])], use_msan=yes, use_msan=no)
AS_IF([test "x$use_msan" = xyes],
ac_cv_zdefs=no NO_UNDEFINED=,
AC_MSG_WARN([clang memory sanitizer not available])
CFLAGS="$old_CFLAGS" CXXFLAGS="$old_CXXFLAGS")
LDFLAGS="$old_LDFLAGS"
fi
AC_SUBST(NO_UNDEFINED)
AM_CONDITIONAL(USE_MEMORY_SANITIZER, test "$use_msan" = yes)
ZDEFS_LDFLAGS="-Wl,-z,defs"
AC_CACHE_CHECK([whether gcc supports $ZDEFS_LDFLAGS], ac_cv_zdefs, [dnl
save_LDFLAGS="$LDFLAGS"
@@ -420,10 +443,22 @@ AC_SUBST([LIBLZMA])
eu_ZIPLIB(zstd,ZSTD,zstd,ZSTD_decompress,[ZSTD (zst)])
AS_IF([test "x$with_zstd" = xyes], [LIBZSTD="libzstd"], [LIBLZSTD=""])
AC_SUBST([LIBZSTD])
zstd_LIBS="$LIBS"
AC_SUBST([zstd_LIBS])
zip_LIBS="$LIBS"
LIBS="$save_LIBS"
AC_SUBST([zip_LIBS])
dnl zstd compression support requires libzstd 1.4.0+
AS_IF([test "x$with_zstd" = xyes], [
PKG_PROG_PKG_CONFIG
PKG_CHECK_MODULES([ZSTD_COMPRESS],[libzstd >= 1.4.0],
[with_zstd_compress="yes"],[with_zstd_compress="no"])],
[with_zstd_compress="no"])
AM_CONDITIONAL(USE_ZSTD_COMPRESS, test "x$with_zstd_compress" = "xyes")
AS_IF([test "x$with_zstd_compress" = "xyes"],
[AC_DEFINE([USE_ZSTD_COMPRESS], [1], [zstd compression support])])
AC_CHECK_DECLS([memrchr, rawmemchr],[],[],
[#define _GNU_SOURCE
#include <string.h>])
@@ -443,16 +478,29 @@ AS_IF([test "x$ac_cv_func_mremap" = "xno"],
AC_CHECK_HEADERS([error.h])
AC_CHECK_HEADERS([err.h])
dnl for debuginfod concurrency heuristics
AC_CHECK_HEADERS([sched.h])
AC_CHECK_FUNCS([sched_getaffinity])
AC_CHECK_HEADERS([sys/resource.h])
AC_CHECK_FUNCS([getrlimit])
old_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -D_GNU_SOURCE"
AC_FUNC_STRERROR_R()
CFLAGS="$old_CFLAGS"
AC_ARG_ENABLE([demangler],
AS_HELP_STRING([--disable-demangler],
[Disable libstdc++ demangle support]),
[], [enable_demangler=yes])
AS_IF([test "x$enable_demangler" = xyes],
AC_CHECK_LIB([stdc++], [__cxa_demangle], [dnl
AC_DEFINE([USE_DEMANGLE], [1], [Defined if demangling is enabled])])
AM_CONDITIONAL(DEMANGLE, test "x$ac_cv_lib_stdcpp___cxa_demangle" = "xyes")
AS_IF([test "x$ac_cv_lib_stdcpp___cxa_demangle" = "xyes"],
[enable_demangler=yes],[enable_demangler=no])
[enable_demangler=yes],
[AC_MSG_ERROR([[__cxa_demangle not found in libstdc++, use --disable-demangler to disable demangler support.]])]),
AM_CONDITIONAL(DEMANGLE, false))
AC_ARG_ENABLE([textrelcheck],
AS_HELP_STRING([--disable-textrelcheck],
@@ -570,6 +618,23 @@ CFLAGS="$old_CFLAGS"])
AM_CONDITIONAL(HAVE_NO_PACKED_NOT_ALIGNED_WARNING,
[test "x$ac_cv_no_packed_not_aligned" != "xno"])
AC_CACHE_CHECK([whether the compiler accepts -Wuse-after-free=3], ac_cv_use_after_free3, [dnl
old_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Wuse-after-free=3 -Werror"
AC_COMPILE_IFELSE([AC_LANG_SOURCE([])],
ac_cv_use_after_free3=yes, ac_cv_use_after_free3=no)
CFLAGS="$old_CFLAGS"])
AM_CONDITIONAL(HAVE_USE_AFTER_FREE3_WARNING,
[test "x$ac_cv_use_after_free3" != "xno"])
AC_CACHE_CHECK([whether the compiler accepts -fno-addrsig], ac_cv_fno_addrsig, [dnl
old_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -fno-addrsig -Werror"
AC_COMPILE_IFELSE([AC_LANG_SOURCE([])],
ac_cv_fno_addrsig=yes, ac_cv_fno_addrsig=no)
CFLAGS="$old_CFLAGS"])
AS_IF([test "x$ac_cv_fno_addrsig" = "xyes"], CFLAGS="$CFLAGS -fno-addrsig")
saved_LIBS="$LIBS"
AC_SEARCH_LIBS([argp_parse], [argp])
LIBS="$saved_LIBS"
@@ -744,6 +809,11 @@ fi
AC_CHECK_PROG(HAVE_ZSTD, zstd, yes, no)
AM_CONDITIONAL([HAVE_ZSTD],[test "x$HAVE_ZSTD" = "xyes"])
# For tests that need to use C++11
AX_CXX_COMPILE_STDCXX(11, noext, optional)
AS_IF([test "x$HAVE_CXX11" = "x1"], [HAVE_CXX11=yes], [HAVE_CXX11=no])
AM_CONDITIONAL([HAVE_CXX11],[test "x$HAVE_CXX11" = "xyes"])
# Look for libcurl for libdebuginfod minimum version as per rhel7.
AC_ARG_ENABLE([libdebuginfod],AS_HELP_STRING([--enable-libdebuginfod], [Build debuginfod client library (can be =dummy)]))
AS_IF([test "x$enable_libdebuginfod" != "xno"], [
@@ -769,13 +839,15 @@ AS_IF([test "x$enable_libdebuginfod" = "xdummy"],
[AC_DEFINE([DUMMY_LIBDEBUGINFOD], [1], [Build dummy libdebuginfod])])
AM_CONDITIONAL([LIBDEBUGINFOD],[test "x$enable_libdebuginfod" = "xyes" || test "x$enable_libdebuginfod" = "xdummy"])
AM_CONDITIONAL([DUMMY_LIBDEBUGINFOD],[test "x$enable_libdebuginfod" = "xdummy"])
AC_CHECK_HEADERS([execinfo.h])
# Look for libmicrohttpd, libarchive, sqlite for debuginfo server
# minimum versions as per rhel7.
AC_ARG_ENABLE([debuginfod],AS_HELP_STRING([--enable-debuginfod], [Build debuginfod server]))
AS_IF([test "x$enable_debuginfod" != "xno"], [
AC_MSG_NOTICE([checking debuginfod C++11 support, --disable-debuginfod to skip])
AX_CXX_COMPILE_STDCXX(11, noext, mandatory)
if test "x$HAVE_CXX11" = "xno"; then
AC_MSG_ERROR([the compiler does not support C++11, use --disable-debuginfod to disable.])
fi
AC_MSG_NOTICE([checking debuginfod dependencies, --disable-debuginfod to skip])
if test "x$enable_libdebuginfod" = "xno"; then
AC_MSG_ERROR([need libdebuginfod (or dummy), use --disable-debuginfod to disable.])
@@ -829,6 +901,7 @@ AC_MSG_NOTICE([
bzip2 support : ${with_bzlib}
lzma/xz support : ${with_lzma}
zstd support : ${with_zstd}
zstd compression support : ${with_zstd_compress}
libstdc++ demangle support : ${enable_demangler}
File textrel check : ${enable_textrelcheck}
Symbol versioning : ${enable_symbol_versioning}
@@ -848,12 +921,14 @@ AC_MSG_NOTICE([
EXTRA TEST FEATURES (used with make check)
have bunzip2 installed (required) : ${HAVE_BUNZIP2}
have zstd installed : ${HAVE_ZSTD}
C++11 : ${HAVE_CXX11}
debug branch prediction : ${use_debugpred}
gprof support : ${use_gprof}
gcov support : ${use_gcov}
run all tests under valgrind : ${use_valgrind}
gcc undefined behaviour sanitizer : ${use_undefined}
gcc address sanitizer : ${use_address}
clang memory sanitizer : ${use_msan}
use rpath in tests : ${tests_use_rpath}
test biarch : ${utrace_cv_cc_biarch}
])
debuginfod/ChangeLog
+94
View File
@@ -1,3 +1,97 @@
2023-04-21 Frank Ch. Eigler <fche@redhat.com>
* debuginfod.cxx (groom): Fix -r / -X logic.
2023-04-13 Frank Ch. Eigler <fche@redhat.com>
* debuginfod.cxx (archive_classify, scan_archive_file): Catch and
propagate exceptions during archive scans.
2023-03-30 Jan Alexander Steffens (heftig) <heftig@archlinux.org>
* debuginfod-client.c (update_atime): New function.
(extract_section, debuginfod_query_server): Call it.
2023-03-30 Jan Alexander Steffens (heftig) <heftig@archlinux.org>
* debuginfod-client.c (debuginfod_query_server): Don't modify
atime unintentionally.
* debuginfod.cxx (extract_section, handle_buildid_r_match): Ditto.
2023-03-30 Aaron Merey <amerey@redhat.com>
* debuginfod-client.c (debuginfod_query_server): Avoid sscanf on
mixed-case component of string.
2023-03-29 Jan Alexander Steffens (heftig) <heftig@archlinux.org>
* debuginfod-client.c (debuginfod_query_server): s/futimes/futimens/
* debuginfod.cxx (extract_section, handle_buildid_r_match): Ditto.
2023-03-29 lilydjwg <lilydjwg@gmail.com>
* debuginfod-client.c (debuginfod_query_server): Handle dl_size in
progress to account for possible curl 8.0.1 changes to
CURLINFO_CONTENT_LENGTH_DOWNLOAD*.
2023-03-17 Aaron Merey <amerey@redhat.com>
* debuginfod-client.c (debuginfod_query_server): Do not create an
empty file in the cache if the query was cancelled by the progressfn.
2023-02-07 Aaron Merey <amerey@redhat.com>
* debuginfod-client.c (cache_find_section): Avoid returning -ENOENT
if debuginfo wasn't found.
2023-02-06 Mark Wielaard <mark@klomp.org>
* debuginfod.h.in: Guard debuginfod_client typedef with
_ELFUTILS_DEBUGINFOD_CLIENT_TYPEDEF.
2023-01-10 Mark Wielaard <mark@klomp.org>
* debuginfod-client.c (debuginfod_query_server): Use
CURL_AT_LEAST_VERSION(7.85.0) for CURLOPT_PROTOCOLS_STR.
2023-01-11 Frank Ch. Eigler <fche@redhat.com>
PR29975 & PR29976
* debuginfod.cxx (default_concurrency): New function to guess a
reasonable default for -c/-C on large but constrained machines.
2022-12-21 Mark Wielaard <mark@klomp.org>
* debuginfod-client.c: Define CURL_AT_LEAST_VERSION.
2022-12-21 Andrew Paprocki <andrew@ishiboo.com>
* debuginfod-client.c: Make compilable against newer curl. PR29926
2022-11-15 Mark Wielaard <mark@klomp.org>
* debuginfod-client.c (debuginfod_query_server): Initialize
response_data early.
2022-11-07 Aaron Merey <amerey@redhat.com>
* debuginfod-client.c (debuginfod_find_section): Don't treat 0 as an
error code.
2022-11-04 Aaron Merey <amerey@redhat.com>
* debuginfod-client.c (debuginfod_find_section): Ensure rc
is always updated with the most recent error code.
2022-11-03 Frank Ch. Eigler <fche@redhat.com>
* debuginfod.cxx (handle_buildid): Correctly manage lifetime
of debuginfod_client federation callout object.
2022-11-02 Mark Wielaard <mark@klomp.org>
* debuginfod-client.c (extract_section): Mark static.
2022-11-01 Aaron Merey <amerey@redhat.com>
* debuginfod-client.c (path_escape): Add early return.
debuginfod/Makefile.am
+2 -1
View File
@@ -102,7 +102,8 @@ endif
$(LIBDEBUGINFOD_SONAME): $(srcdir)/libdebuginfod.map $(libdebuginfod_so_LIBS)
$(AM_V_CCLD)$(LINK) $(dso_LDFLAGS) -o $@ \
-Wl,--soname,$(LIBDEBUGINFOD_SONAME) \
-Wl,--version-script,$<,--no-undefined \
-Wl,--version-script,$< \
$(NO_UNDEFINED) \
-Wl,--whole-archive $(libdebuginfod_so_LIBS) -Wl,--no-whole-archive \
$(libdebuginfod_so_LDLIBS)
@$(textrel_check)
debuginfod/debuginfod-client.c
+123 -58
View File
@@ -105,6 +105,13 @@ void debuginfod_end (debuginfod_client *c) { }
#include <fts.h>
#endif
/* Older curl.h don't define CURL_AT_LEAST_VERSION. */
#ifndef CURL_AT_LEAST_VERSION
#define CURL_VERSION_BITS(x,y,z) ((x)<<16|(y)<<8|(z))
#define CURL_AT_LEAST_VERSION(x,y,z) \
(LIBCURL_VERSION_NUM >= CURL_VERSION_BITS(x, y, z))
#endif
#include <pthread.h>
static pthread_once_t init_control = PTHREAD_ONCE_INIT;
@@ -241,7 +248,7 @@ debuginfod_write_callback (char *ptr, size_t size, size_t nmemb, void *data)
/* handle config file read and write */
static int
debuginfod_config_cache(char *config_path,
debuginfod_config_cache(debuginfod_client *c, char *config_path,
long cache_config_default_s,
struct stat *st)
{
@@ -270,17 +277,27 @@ debuginfod_config_cache(char *config_path,
}
long cache_config;
/* PR29696 - NB: When using fdopen, the file descriptor is NOT
dup'ed and will be closed when the stream is closed. Manually
closing fd after fclose is called will lead to a race condition
where, if reused, the file descriptor will compete for its
regular use before being incorrectly closed here. */
FILE *config_file = fdopen(fd, "r");
if (config_file)
{
if (fscanf(config_file, "%ld", &cache_config) != 1)
cache_config = cache_config_default_s;
fclose(config_file);
cache_config = cache_config_default_s;
if (0 != fclose (config_file) && c->verbose_fd >= 0)
dprintf (c->verbose_fd, "fclose failed with %s (err=%d)\n",
strerror (errno), errno);
}
else
cache_config = cache_config_default_s;
close (fd);
{
cache_config = cache_config_default_s;
if (0 != close (fd) && c->verbose_fd >= 0)
dprintf (c->verbose_fd, "close failed with %s (err=%d)\n",
strerror (errno), errno);
}
return cache_config;
}
@@ -296,7 +313,7 @@ debuginfod_clean_cache(debuginfod_client *c,
struct stat st;
/* Create new interval file. */
rc = debuginfod_config_cache(interval_path,
rc = debuginfod_config_cache(c, interval_path,
cache_clean_default_interval_s, &st);
if (rc < 0)
return rc;
@@ -309,11 +326,11 @@ debuginfod_clean_cache(debuginfod_client *c,
/* Update timestamp representing when the cache was last cleaned.
Do it at the start to reduce the number of threads trying to do a
cleanup simultaniously. */
cleanup simultaneously. */
utime (interval_path, NULL);
/* Read max unused age value from config file. */
rc = debuginfod_config_cache(max_unused_path,
rc = debuginfod_config_cache(c, max_unused_path,
cache_default_max_unused_age_s, &st);
if (rc < 0)
return rc;
@@ -551,7 +568,9 @@ header_callback (char * buffer, size_t size, size_t numitems, void * userdata)
struct handle_data *data = (struct handle_data *) userdata;
if (size != 1)
return 0;
if (data->client && data->client->verbose_fd >= 0)
if (data->client
&& data->client->verbose_fd >= 0
&& numitems > 2)
dprintf (data->client->verbose_fd, "header %.*s", (int)numitems, buffer);
// Some basic checks to ensure the headers received are of the expected format
if (strncasecmp(buffer, "X-DEBUGINFOD", 11)
@@ -611,6 +630,19 @@ path_escape (const char *src, char *dest)
dest[q] = '\0';
}
/* Attempt to update the atime */
static void
update_atime (int fd)
{
struct timespec tvs[2];
tvs[0].tv_sec = tvs[1].tv_sec = 0;
tvs[0].tv_nsec = UTIME_NOW;
tvs[1].tv_nsec = UTIME_OMIT;
(void) futimens (fd, tvs); /* best effort */
}
/* Attempt to read an ELF/DWARF section with name SECTION from FD and write
it to a separate file in the debuginfod cache. If successful the absolute
path of the separate file containing SECTION will be stored in USR_PATH.
@@ -621,7 +653,7 @@ path_escape (const char *src, char *dest)
section name was not found. -EEXIST indicates that the section was
found but had type SHT_NOBITS. */
int
static int
extract_section (int fd, const char *section, char *fd_path, char **usr_path)
{
elf_version (EV_CURRENT);
@@ -754,6 +786,7 @@ extract_section (int fd, const char *section, char *fd_path, char **usr_path)
*usr_path = sec_path;
else
free (sec_path);
update_atime(fd);
rc = sec_fd;
goto out2;
}
@@ -778,23 +811,24 @@ out:
an ELF/DWARF section with name SCN_NAME. If found, extract the section
to a separate file in TARGET_CACHE_DIR and return a file descriptor
for the section file. The path for this file will be stored in USR_PATH.
Return a negative errno if unsuccessful. */
Return a negative errno if unsuccessful. -ENOENT indicates that SCN_NAME
is confirmed to not exist. */
static int
cache_find_section (const char *scn_name, const char *target_cache_dir,
char **usr_path)
{
int fd;
int debug_fd;
int rc = -EEXIST;
char parent_path[PATH_MAX];
/* Check the debuginfo first. */
snprintf (parent_path, PATH_MAX, "%s/debuginfo", target_cache_dir);
fd = open (parent_path, O_RDONLY);
if (fd >= 0)
debug_fd = open (parent_path, O_RDONLY);
if (debug_fd >= 0)
{
rc = extract_section (fd, scn_name, parent_path, usr_path);
close (fd);
rc = extract_section (debug_fd, scn_name, parent_path, usr_path);
close (debug_fd);
}
/* If the debuginfo file couldn't be found or the section type was
@@ -802,12 +836,17 @@ cache_find_section (const char *scn_name, const char *target_cache_dir,
if (rc == -EEXIST)
{
snprintf (parent_path, PATH_MAX, "%s/executable", target_cache_dir);
fd = open (parent_path, O_RDONLY);
int exec_fd = open (parent_path, O_RDONLY);
if (fd >= 0)
if (exec_fd >= 0)
{
rc = extract_section (fd, scn_name, parent_path, usr_path);
close (fd);
rc = extract_section (exec_fd, scn_name, parent_path, usr_path);
close (exec_fd);
/* Don't return -ENOENT if the debuginfo wasn't opened. The
section may exist in the debuginfo but not the executable. */
if (debug_fd < 0 && rc == -ENOENT)
rc = -EREMOTE;
}
}
@@ -1085,6 +1124,7 @@ debuginfod_query_server (debuginfod_client *c,
}
}
/* Success!!!! */
update_atime(fd);
rc = fd;
goto out;
}
@@ -1097,7 +1137,7 @@ debuginfod_query_server (debuginfod_client *c,
close(fd); /* no need to hold onto the negative-hit file descriptor */
rc = debuginfod_config_cache(cache_miss_path,
rc = debuginfod_config_cache(c, cache_miss_path,
cache_miss_default_s, &st);
if (rc < 0)
goto out;
@@ -1250,6 +1290,8 @@ debuginfod_query_server (debuginfod_client *c,
data[i].handle = NULL;
data[i].fd = -1;
data[i].errbuf[0] = '\0';
data[i].response_data = NULL;
data[i].response_data_size = 0;
}
char *escaped_string = NULL;
@@ -1327,8 +1369,13 @@ debuginfod_query_server (debuginfod_client *c,
/* Only allow http:// + https:// + file:// so we aren't being
redirected to some unsupported protocol. */
#if CURL_AT_LEAST_VERSION(7, 85, 0)
curl_easy_setopt_ck(data[i].handle, CURLOPT_PROTOCOLS_STR,
"http,https,file");
#else
curl_easy_setopt_ck(data[i].handle, CURLOPT_PROTOCOLS,
(CURLPROTO_HTTP | CURLPROTO_HTTPS | CURLPROTO_FILE));
#endif
curl_easy_setopt_ck(data[i].handle, CURLOPT_URL, data[i].url);
if (vfd >= 0)
curl_easy_setopt_ck(data[i].handle, CURLOPT_ERRORBUFFER,
@@ -1346,8 +1393,6 @@ debuginfod_query_server (debuginfod_client *c,
curl_easy_setopt_ck (data[i].handle, CURLOPT_LOW_SPEED_LIMIT,
100 * 1024L);
}
data[i].response_data = NULL;
data[i].response_data_size = 0;
curl_easy_setopt_ck(data[i].handle, CURLOPT_FILETIME, (long) 1);
curl_easy_setopt_ck(data[i].handle, CURLOPT_FOLLOWLOCATION, (long) 1);
curl_easy_setopt_ck(data[i].handle, CURLOPT_FAILONERROR, (long) 1);
@@ -1449,14 +1494,14 @@ debuginfod_query_server (debuginfod_client *c,
goto out2;
}
long dl_size = 0;
long dl_size = -1;
if (target_handle && (c->progressfn || maxsize > 0))
{
/* Get size of file being downloaded. NB: If going through
deflate-compressing proxies, this number is likely to be
unavailable, so -1 may show. */
CURLcode curl_res;
#ifdef CURLINFO_CONTENT_LENGTH_DOWNLOAD_T
#if CURL_AT_LEAST_VERSION(7, 55, 0)
curl_off_t cl;
curl_res = curl_easy_getinfo(target_handle,
CURLINFO_CONTENT_LENGTH_DOWNLOAD_T,
@@ -1468,7 +1513,7 @@ debuginfod_query_server (debuginfod_client *c,
curl_res = curl_easy_getinfo(target_handle,
CURLINFO_CONTENT_LENGTH_DOWNLOAD,
&cl);
if (curl_res == CURLE_OK)
if (curl_res == CURLE_OK && cl >= 0)
dl_size = (cl >= (double)(LONG_MAX+1UL) ? LONG_MAX : (long)cl);
#endif
/* If Content-Length is -1, try to get the size from
@@ -1477,9 +1522,9 @@ debuginfod_query_server (debuginfod_client *c,
{
long xdl;
char *hdr = strcasestr(c->winning_headers, "x-debuginfod-size");
size_t off = strlen("x-debuginfod-size:");
if (hdr != NULL
&& sscanf(hdr, "x-debuginfod-size: %ld", &xdl) == 1)
if (hdr != NULL && sscanf(hdr + off, "%ld", &xdl) == 1)
dl_size = xdl;
}
}
@@ -1490,26 +1535,40 @@ debuginfod_query_server (debuginfod_client *c,
long pa = loops; /* default param for progress callback */
if (target_handle) /* we've committed to a server; report its download progress */
{
CURLcode curl_res;
#ifdef CURLINFO_SIZE_DOWNLOAD_T
curl_off_t dl;
curl_res = curl_easy_getinfo(target_handle,
CURLINFO_SIZE_DOWNLOAD_T,
&dl);
if (curl_res == 0 && dl >= 0)
pa = (dl > LONG_MAX ? LONG_MAX : (long)dl);
/* PR30809: Check actual size of cached file. This same
fd is shared by all the multi-curl handles (but only
one will end up writing to it). Another way could be
to tabulate totals in debuginfod_write_callback(). */
struct stat cached;
int statrc = fstat(fd, &cached);
if (statrc == 0)
pa = (long) cached.st_size;
else
{
/* Otherwise, query libcurl for its tabulated total.
However, that counts http body length, not
decoded/decompressed content length, so does not
measure quite the same thing as dl. */
CURLcode curl_res;
#if CURL_AT_LEAST_VERSION(7, 55, 0)
curl_off_t dl;
curl_res = curl_easy_getinfo(target_handle,
CURLINFO_SIZE_DOWNLOAD_T,
&dl);
if (curl_res == 0 && dl >= 0)
pa = (dl > LONG_MAX ? LONG_MAX : (long)dl);
#else
double dl;
curl_res = curl_easy_getinfo(target_handle,
CURLINFO_SIZE_DOWNLOAD,
&dl);
if (curl_res == 0)
pa = (dl >= (double)(LONG_MAX+1UL) ? LONG_MAX : (long)dl);
double dl;
curl_res = curl_easy_getinfo(target_handle,
CURLINFO_SIZE_DOWNLOAD,
&dl);
if (curl_res == 0)
pa = (dl >= (double)(LONG_MAX+1UL) ? LONG_MAX : (long)dl);
#endif
}
}
if ((*c->progressfn) (c, pa, dl_size))
if ((*c->progressfn) (c, pa, dl_size == -1 ? 0 : dl_size))
{
c->progressfn_cancel = true;
break;
@@ -1649,9 +1708,9 @@ debuginfod_query_server (debuginfod_client *c,
}
} while (num_msg > 0);
/* Create an empty file named as $HOME/.cache if the query fails
with ENOENT.*/
if (rc == -ENOENT)
/* Create an empty file in the cache if the query fails with ENOENT and
it wasn't cancelled early. */
if (rc == -ENOENT && !c->progressfn_cancel)
{
int efd = open (target_cache_path, O_CREAT|O_EXCL, DEFFILEMODE);
if (efd >= 0)
@@ -1700,13 +1759,15 @@ debuginfod_query_server (debuginfod_client *c,
#else
CURLcode curl_res = curl_easy_getinfo(verified_handle, CURLINFO_FILETIME, (void*) &mtime);
#endif
if (curl_res != CURLE_OK)
mtime = time(NULL); /* fall back to current time */
struct timeval tvs[2];
tvs[0].tv_sec = tvs[1].tv_sec = mtime;
tvs[0].tv_usec = tvs[1].tv_usec = 0;
(void) futimes (fd, tvs); /* best effort */
if (curl_res == CURLE_OK)
{
struct timespec tvs[2];
tvs[0].tv_sec = 0;
tvs[0].tv_nsec = UTIME_OMIT;
tvs[1].tv_sec = mtime;
tvs[1].tv_nsec = 0;
(void) futimens (fd, tvs); /* best effort */
}
/* PR27571: make cache files casually unwriteable; dirs are already 0700 */
(void) fchmod(fd, 0400);
@@ -1936,7 +1997,7 @@ debuginfod_find_section (debuginfod_client *client,
}
return -ENOENT;
}
if (fd > 0)
if (fd >= 0)
{
rc = extract_section (fd, section, tmp_path, path);
close (fd);
@@ -1944,14 +2005,18 @@ debuginfod_find_section (debuginfod_client *client,
if (rc == -EEXIST)
{
/* The section should be found in the executable. */
/* Either the debuginfo couldn't be found or the section should
be in the executable. */
fd = debuginfod_find_executable (client, build_id,
build_id_len, &tmp_path);
if (fd > 0)
if (fd >= 0)
{
rc = extract_section (fd, section, tmp_path, path);
close (fd);
}
else
/* Update rc so that we return the most recent error code. */
rc = fd;
}
free (tmp_path);
debuginfod/debuginfod.cxx
+486 -179
View File
File diff suppressed because it is too large Load Diff
debuginfod/debuginfod.h.in
+3
View File
@@ -44,7 +44,10 @@
#define DEBUGINFOD_SONAME "@LIBDEBUGINFOD_SONAME@"
/* Handle for debuginfod-client connection. */
#ifndef _ELFUTILS_DEBUGINFOD_CLIENT_TYPEDEF
typedef struct debuginfod_client debuginfod_client;
#define _ELFUTILS_DEBUGINFOD_CLIENT_TYPEDEF 1
#endif
#ifdef __cplusplus
extern "C" {
doc/ChangeLog
+8
View File
@@ -1,3 +1,11 @@
2023-02-14 Mark Wielaard <mark@klomp.org>
* debuginfod.8: Add .TP before -g.
2023-01-11 Frank Ch. Eigler <fche@redhat.com>
* debuginfod.8: Tweak -c/-C documentation for heuristic defaults.
2022-10-31 Aaron Merey <amerey@redhat.com>
* Makefile.am (notrans_dist_man3_MANS): Add debuginfod_find_section.3.
doc/Makefile.am
+1 -1
View File
@@ -17,7 +17,7 @@
## You should have received a copy of the GNU General Public License
## along with this program. If not, see <http://www.gnu.org/licenses/>.
EXTRA_DIST = COPYING-GFDL README
dist_man1_MANS=readelf.1 elfclassify.1
dist_man1_MANS=readelf.1 elfclassify.1 srcfiles.1
notrans_dist_man3_MANS=elf_update.3 elf_getdata.3 elf_clone.3 elf_begin.3
notrans_dist_man7_MANS=
notrans_dist_man8_MANS=
doc/debuginfod-find.1
+13
View File
@@ -92,6 +92,19 @@ is made up of multiple CUs. Therefore, to disambiguate, debuginfod
expects source queries to prefix relative path names with the CU
compilation-directory, followed by a mandatory "/".
Note: for software packaged by distributions, the CU
compilation-directory may not be obvious. It can be found by
inspecting AT_comp_dir values in downloaded debuginfo. For example,
the comp_dir of the Fedora 37 version of /bin/ls can be found as
follows:
.SAMPLE
% debuginfod-find debuginfo /bin/ls
~/.cache/debuginfod_client/03529d48345409576cd5c82a56ad08555088d353/
% eu-readelf -w ~/.cache/debuginfod_client/03529d48345409576cd5c82a56ad08555088d353/debuginfo | grep comp_dir
comp_dir (line_strp) "/usr/src/debug/coreutils-9.1-6.fc37.x86_64/separate"
.ESAMPLE
Note: the caller may or may not elide \fB../\fP or \fB/./\fP or extraneous
\fB///\fP sorts of path components in the directory names. debuginfod
accepts both forms. Specifically, debuginfod canonicalizes path names
doc/debuginfod.8
+58 -22
View File
@@ -172,8 +172,12 @@ interrupting a groom pass (if any).
.TP
.B "\-r"
Apply the -I and -X during groom cycles, so that files excluded by the regexes are removed from the index. These parameters are in addition to what normally qualifies a file for grooming, not a replacement.
Apply the -I and -X during groom cycles, so that most content related
to files excluded by the regexes are removed from the index. Not all
content can be practically removed, so eventually a "\-G"
"maximal-groom" operation may be needed.
.TP
.B "\-g SECONDS" "\-\-groom\-time=SECONDS"
Set the groom time for the index database. This is the amount of time
the grooming thread will wait after finishing a grooming pass before
@@ -202,8 +206,9 @@ do maximal-grooming. See also the \fIDATA MANAGEMENT\fP section.
Set the concurrency limit for the scanning queue threads, which work
together to process archives & files located by the traversal thread.
This important for controlling CPU-intensive operations like parsing
an ELF file and especially decompressing archives. The default is the
number of processors on the system; the minimum is 1.
an ELF file and especially decompressing archives. The default is
related to the number of processors on the system and other
constraints; the minimum is 1.
.TP
.B "\-C" "\-C=NUM" "\-\-connection\-pool" "\-\-connection\-pool=NUM"
@@ -216,9 +221,9 @@ no option, \-C use a fixed thread pool sized automatically
\-C=NUM use a fixed thread pool sized NUM, minimum 2
.TE
The first mode is a simple and safe configuration based on the number
of processors. The second mode is suitable for tuned load-limiting
configurations facing unruly traffic.
The first mode is a simple and safe configuration related to the
number of processors and other constraints. The second mode is
suitable for tuned load-limiting configurations facing unruly traffic.
.TP
.B "\-L"
@@ -277,6 +282,13 @@ Disable scan of the dwarf source info of debuginfo sections.
If a setup has no access to source code, the source info is not
required.
.TP
.B "\-\-scan\-checkpoint=NUM"
Run a synchronized SQLITE WAL checkpoint operation after every NUM
completed archive or file scans. This may slow down parallel scanning
phase somewhat, but generate much smaller "-wal" temporary files on
busy servers. The default is 256. Disabled if 0.
.TP
.B "\-v"
Increase verbosity of logging to the standard error file descriptor.
@@ -292,18 +304,35 @@ Unknown buildid / request combinations result in HTTP error codes.
This file service resemblance is intentional, so that an installation
can take advantage of standard HTTP management infrastructure.
Upon finding a file in an archive or simply in the database, some
custom http headers are added to the response. For files in the
database X-DEBUGINFOD-FILE and X-DEBUGINFOD-SIZE are added.
X-DEBUGINFOD-FILE is simply the unescaped filename and
X-DEBUGINFOD-SIZE is the size of the file. For files found in archives,
in addition to X-DEBUGINFOD-FILE and X-DEBUGINFOD-SIZE,
X-DEBUGINFOD-ARCHIVE is added. X-DEBUGINFOD-ARCHIVE is the name of the
archive the file was found in.
For most queries, some custom http headers are added to the response,
providing additional metadata about the buildid-related response. For example:
There are three requests. In each case, the buildid is encoded as a
lowercase hexadecimal string. For example, for a program \fI/bin/ls\fP,
look at the ELF note GNU_BUILD_ID:
.SAMPLE
% debuginfod-find -v debuginfo /bin/ls |& grep -i x-debuginfo
x-debuginfod-size: 502024
x-debuginfod-archive: /mnt/fedora_koji_prod/koji/packages/coreutils/9.3/4.fc39/x86_64/coreutils-debuginfo-9.3-4.fc39.x86_64.rpm
x-debuginfod-file: /usr/lib/debug/usr/bin/ls-9.3-4.fc39.x86_64.debug
.ESAMPLE
.TP
X-DEBUGINFOD-SIZE
The size of the file, in bytes. This may differ from the http Content-Length:
field (if present), due to compression in transit.
.TP
X-DEBUGINFOD-FILE
The full path name of the file related to the given buildid.
.TP
X-DEBUGINFOD-ARCHIVE
The full path name of the archive that contained the above file, if any.
There are a handful of buildid-related requests. In each case, the
buildid is encoded as a lowercase hexadecimal string. For example,
for a program \fI/bin/ls\fP, look at the ELF note GNU_BUILD_ID:
.SAMPLE
% readelf -n /bin/ls | grep -A4 build.id
@@ -370,7 +399,7 @@ extract the contents of an ELF/DWARF section named SECTION from the
debuginfo file matching BUILDID. If the debuginfo file can't be found
or the section has type SHT_NOBITS, then the server will attempt to extract
the section from the executable matching BUILDID. If the section is
succesfully extracted then this request results in a binary object
successfully extracted then this request results in a binary object
of the section's contents. Note that this result is the raw binary
contents of the section, not an ELF file.
@@ -379,8 +408,7 @@ contents of the section, not an ELF file.
This endpoint returns a Prometheus formatted text/plain dump of a
variety of statistics about the operation of the debuginfod server.
The exact set of metrics and their meanings may change in future
versions. Caution: configuration information (path names, versions)
may be disclosed.
versions.
.SH DATA MANAGEMENT
@@ -473,8 +501,16 @@ a denial-of-service in terms of RAM, CPU, disk I/O, or network I/O.
If this is a problem, users are advised to install debuginfod with a
HTTPS reverse-proxy front-end that enforces site policies for
firewalling, authentication, integrity, authorization, and load
control. The \fI/metrics\fP webapi endpoint is probably not
appropriate for disclosure to the public.
control.
Front-end proxies may elide sensitive path name components in
X-DEBUGINFOD-FILE/ARCHIVE response headers. For example, using Apache
httpd's \fBmod_headers\fP, you can remove the entire directory name
prefix:
.SAMPLE
Header edit x-debuginfod-archive ".*/" ""
.ESAMPLE
When relaying queries to upstream debuginfods, debuginfod \fBdoes not\fP
include any particular security features. It trusts that the binaries
doc/debuginfod_get_headers.3
-2
View File
@@ -1,2 +0,0 @@
.so man3/debuginfod_find_debuginfo.3
doc/elfutils.sgml
-444
View File
@@ -1,444 +0,0 @@
<!doctype book PUBLIC "-//OASIS//DTD DocBook V4.1//EN"[
<!ENTITY package "<filename>new-bu</filename>">
]>
<book>
<title>New Binutils User's and Reference Manual</title>
<chapter>
<title><filename>libelf</filename> <acronym>ABI</acronym></title>
<simpara>The <acronym>ABI</acronym> of the
<filename>libelf</filename> implemented in the &package; package
is following that of Sun's implementation which in turn in derived
from the original SysVr4 implementation. There are some
extensions over Sun's versions, though, which makes it impossible
to replace this implementation with Sun's.</simpara>
<beginpage>
<refentry xreflabel="Elf_Data" id="ElfUData">
<refnamediv>
<refname>Elf_Data</refname>
<refpurpose>Descriptor for Data Buffer</refpurpose>
</refnamediv>
<refsynopsisdiv>
<synopsis>
#include &lt;libelf.h&gt;
</synopsis>
</refsynopsisdiv>
<refsect1>
<title>Description</title>
<simpara>The <structname>Elf_Data</structname> structure is as
a descriptor for a data buffer associated with a section.
Every data buffer is associated with a specific section (see
<!-- xref --><structname>Elf_Scn</structname>).</simpara>
<simpara>A data buffer is created when reading a file. In
this case only a single buffer is present in the section. The
user can add as many sections as wanted to a section and they
can be retrieved using the <function>elf_getdata</function>
and <function>elf_rawdata</function> functions.<!-- xref
--></simpara>
<simpara>The <structname>Elf_Data</structname> structure
contains the following members:</simpara>
<programlisting>
void *d_buf
Elf_Type d_type
size_t d_size
off_t d_off
size_t d_align
unsigned int d_version
</programlisting>
<simpara>All of these members can be modified directly by the
user. They can be used to resize a section, to change its
content or type, and many more tasks. This is also true for
the data read from a file. The meaning of each member is as
follows:</simpara>
<variablelist>
<varlistentry>
<term><structfield>d_buf</structfield></term>
<listitem>
<simpara>The <structfield>d_buf</structfield> member is
the pointer to the buffer with the actual data. When
the ELF file was read from a file the first and only
data buffer of a section is allocated by the
<filename>libelf</filename> library. The user should
not try to resize or free this buffer. When the user
adds a new data buffer to a section the associated
memory block is normally allocated by the user. It is
important that the buffer must have a lifetime at least
until the ELF file is closed entirely (important when
the buffer is allocated on the stack). If the buffer is
not allocated on the stack it is the user's
responsibility to free the buffer after it is not used
anymore. The <structfield>d_buf</structfield> member
can contain a null pointer if the data buffer is
empty.</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><structfield>d_type</structfield></term>
<listitem>
<simpara>The <structfield>d_type</structfield>
determines how the data of the buffer is interpreted.
This type is determined from the section type and must
be the same for all data buffers for a section. See
<!-- xref --><type>Elf_Type</type> for more information.
The <function><link linkend="elfUgetdata"
endterm="elfUgetdata.refname"></link></function>
function uses this information to convert the data of
the buffer between the external form and the form
represented to the user and back if necessary.</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><structfield>d_version</structfield></term>
<listitem>
<simpara>The <structfield>d_version</structfield>
contains the ELF version of the file.</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><structfield>d_size</structfield></term>
<listitem>
<simpara>The <structfield>d_size</structfield> contains
the size of the buffer in bytes.</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><structfield>d_off</structfield></term>
<listitem>
<simpara>The <structfield>d_off</structfield> is the
offset into the section in bytes.</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><structfield>d_align</structfield></term>
<listitem>
<simpara>The <structfield>d_align</structfield> is the
address alignment of the section in bytes.</simpara>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
</refentry>
<beginpage>
<refentry id="elfUgetdata">
<refnamediv>
<refname id="elfUgetdata.refname">elf_getdata</refname>
<refpurpose>Get washed data of section</refpurpose>
</refnamediv>
<refsynopsisdiv>
<funcsynopsis>
<funcsynopsisinfo>
#include &lt;libelf.h&gt;
</funcsynopsisinfo>
<funcprototype>
<funcdef>Elf_Data *<function>elf_getdata</function></funcdef>
<paramdef>Elf_Scn *<parameter>scn</parameter></paramdef>
<paramdef>Elf_Data *<parameter>data</parameter></paramdef>
</funcprototype>
</funcsynopsis>
</refsynopsisdiv>
<refsect1>
<title>Description</title>
<simpara>The <function>elf_getdata</function> function allows
the user to retrieve the data buffers of the section
<parameter>scn</parameter>. There can be more than one buffer
if the user explicitly added them. When a file is read the
<filename>libelf</filename> library creates exactly one data
buffer.</simpara>
<simpara>The first buffer in the list can be obtained by
passing a null pointer in the parameter
<parameter>data</parameter>. To get the next data buffer the
previously returned value must be passed in the
<parameter>data</parameter> parameter. If there are no more
buffer left in the list a null pointer is returned.</simpara>
<simpara>If the <parameter>data</parameter> parameter is not a
null pointer it must be a descriptor for a buffer
associated with the section <parameter>scn</parameter>. If
this is not the case a null pointer is returned. To
facilitate error handling <function>elf_getdata</function>
also returns a null pointer if the <parameter>scn</parameter>
parameter is a null pointer.</simpara>
</refsect1>
</refentry>
<refentry>
<refnamediv>
<refname id="elfUupdate.refname">elf_update</refname>
<refpurpose>update an ELF descriptor</refpurpose>
</refnamediv>
<refsynopsisdiv>
<funcsynopsis>
<funcsynopsisinfo>
#include &lt;libelf.h&gt;
</funcsynopsisinfo>
<funcprototype>
<funcdef>off_t <function>elf_update</function></funcdef>
<paramdef>Elf *<parameter>elf</parameter></paramdef>
<paramdef>Elf_Cmd <parameter>cmd</parameter></paramdef>
</funcprototype>
</funcsynopsis>
</refsynopsisdiv>
<refsect1>
<title>Description</title>
<simpara>The user is responsible for filling in the following
fields in the named data structures:</simpara>
<table>
<title>Fields not set by <function>elf_update</function></title>
<tgroup cols="3">
<colspec colwidth="90pt">
<colspec colwidth="110pt">
<thead>
<row>
<entry>Data Structure</entry>
<entry>Member</entry>
<entry>Exception</entry>
</row>
</thead>
<tbody>
<row>
<entry morerows="8"><type>Elfxx_Ehdr</type></entry>
<entry>e_ident[EI_DATA]</entry>
<entry>see below</entry>
</row>
<row>
<entry></entry>
<entry>e_type</entry>
<!-- <entry morerows="1"></entry> -->
<entry></entry>
</row>
<row>
<entry></entry>
<entry>e_machine</entry>
<entry></entry>
</row>
<row>
<entry></entry>
<entry>e_version</entry>
<entry>see below</entry>
</row>
<row>
<entry></entry>
<entry>e_entry</entry>
<entry></entry>
</row>
<row>
<entry></entry>
<entry>e_phoff</entry>
<entry>if <symbol>ELF_F_LAYOUT</symbol> is used</entry>
</row>
<row>
<entry></entry>
<entry>e_shoff</entry>
<entry>if <symbol>ELF_F_LAYOUT</symbol> is used</entry>
</row>
<row>
<entry></entry>
<entry>e_flags</entry>
<entry></entry>
</row>
<row>
<entry></entry>
<entry>e_shstrndx</entry>
<entry></entry>
</row>
<row>
<entry morerows="7">Elfxx_Phdr</entry>
<entry>p_type</entry>
<entry morerows="7"></entry>
</row>
<row>
<entry></entry>
<entry>p_offset</entry>
<entry></entry>
</row>
<row>
<entry></entry>
<entry>p_vaddr</entry>
<entry></entry>
</row>
<row>
<entry></entry>
<entry>p_paddr</entry>
<entry></entry>
</row>
<row>
<entry></entry>
<entry>p_filesz</entry>
<entry></entry>
</row>
<row>
<entry></entry>
<entry>p_memsz</entry>
<entry></entry>
</row>
<row>
<entry></entry>
<entry>p_flags</entry>
<entry></entry>
</row>
<row>
<entry></entry>
<entry>p_align</entry>
<entry></entry>
</row>
<row>
<entry morerows="9">Elfxx_Shdr</entry>
<entry>sh_name</entry>
<entry morerows="3"></entry>
</row>
<row>
<entry></entry>
<entry>sh_type</entry>
<entry></entry>
</row>
<row>
<entry></entry>
<entry>sh_flags</entry>
<entry></entry>
</row>
<row>
<entry></entry>
<entry>sh_addr</entry>
<entry></entry>
</row>
<row>
<entry></entry>
<entry>sh_offset</entry>
<entry>if <symbol>ELF_F_LAYOUT</symbol> is used</entry>
</row>
<row>
<entry></entry>
<entry>sh_size</entry>
<entry>if <symbol>ELF_F_LAYOUT</symbol> is used</entry>
</row>
<row>
<entry></entry>
<entry>sh_link</entry>
<!-- <entry morerows="1"></entry> -->
<entry></entry>
</row>
<row>
<entry></entry>
<entry>sh_info</entry>
<entry></entry>
</row>
<row>
<entry></entry>
<entry>sh_addralign</entry>
<entry>if <symbol>ELF_F_LAYOUT</symbol> is used</entry>
</row>
<row>
<entry></entry>
<entry>sh_entsize</entry>
<entry></entry>
</row>
<row>
<entry morerows="5">Elf_Data</entry>
<entry>d_buf</entry>
<entry morerows="2"></entry>
</row>
<row>
<entry></entry>
<entry>d_type</entry>
<entry></entry>
</row>
<row>
<entry></entry>
<entry>d_size</entry>
<entry></entry>
</row>
<row>
<entry></entry>
<entry>d_off</entry>
<entry>if <symbol>ELF_F_LAYOUT</symbol> is used</entry>
</row>
<row>
<entry></entry>
<entry>d_align</entry>
<!-- <entry morerows="1"></entry> -->
<entry></entry>
</row>
<row>
<entry></entry>
<entry>d_version</entry>
<entry></entry>
</row>
</tbody>
</tgroup>
</table>
<simpara>Two fields of the ELF header are handled in a special
way:</simpara>
<variablelist>
<varlistentry>
<term>e_version</term>
<listitem>
<simpara>The user can set this field to the vvalue for
the version to be used. It is an error if the library
cannot handle this version. If the field contains the
value <symbol>EV_NONE</symbol> the library will fill in
its own internal version.</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term>e_ident[EI_DATA]</term>
<listitem>
<simpara>The user should fill in the byte ordering for
the file. If the value of the field is
<symbol>ELFDATANONE</symbol> the library replaces it
with the native byte ordering for the machine.</simpara>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
</refentry>
</chapter>
<chapter>
<title><filename>libelf</filename> Internals</title>
<simpara>Since the binary format handling tools need constant
attention since there are always new machines and variants
therefore coming out it is important to have the implementation
well documented. Only this way extensions can be made in the
right places and the mistakes of the past avoided.</simpara>
</chapter>
</book>
<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
sgml-omitag:nil
sgml-shorttag:t
End:
-->
doc/man3
-1
View File
@@ -1 +0,0 @@
.
doc/man7
-1
View File
@@ -1 +0,0 @@
.
doc/srcfiles.1
+133
View File
@@ -0,0 +1,133 @@
.\" Copyright 2023 Red Hat Inc.
.\" Mon 2023-Sept 23 Housam Alamour <halamour@redhat.com>
.\" Contact elfutils-devel@sourceware.org to correct errors or typos.
.TH EU-SRCFILES 1 "2023-Sept-25" "elfutils"
.de SAMPLE
.br
.RS 0
.nf
.nh
\fB
..
.de ESAMPLE
\fP
.hy
.fi
.RE
..
.SH "NAME"
eu-srcfiles \- Lists the source files of a DWARF/ELF file.
.SH "SYNOPSIS"
eu-srcfiles [\fB\-0\fR|\fB\-\-null\fR] [\fB\-c\fR|\fB\-\-cu\-only\fR] [\fB\-v\fR|\fB\-\-verbose\fR] INPUT
.SH "DESCRIPTION"
\fBeu-srcfiles\fR lists the source files of a given \s-DWARF/ELF\s0
file. This list is based on a search of the DWARF debuginfo, which
may be automatically fetched by debuginfod if applicable. The target
file may be an executable, a coredump, a process, or even the running
kernel. The default is the file 'a.out'. The source file names are
made unique and printed to standard output.
.SH "INPUT OPTIONS"
The long and short forms of options, shown here as alternatives, are
equivalent.
.TP
\fB--core=COREFILE\fR
Find addresses from signatures found in COREFILE.
.TP
\fB--debuginfo-path=PATH\fR
Search path for separate debuginfo files.
.TP
\fB-e FILE\fR, \fB--executable=FILE\fR
Find addresses in FILE.
.TP
\fB-k\fR, \fB--kernel\fR
Find addresses in the running kernel.
.TP
\fB-K\fR, \fB--offline-kernel[=RELEASE]\fR
Kernel with all modules.
.TP
\fB-M FILE\fR, \fB--linux-process-map=FILE\fR
Find addresses in files mapped as read from FILE in Linux /proc/PID/maps format.
.TP
\fB-p PID\fR, \fB--pid=PID\fR
Find addresses in files mapped into process PID.
.TP
\fB-?\fR, \fB--help\fR
Give this help list.
.TP
\fB--usage\fR
Give a short usage message.
.TP
\fB-V\fR, \fB--version\fR
Print program version.
.SH "OUTPUT OPTIONS"
.TP
\fB\-0, \-\-null\fR
Separate items by a null instead of a newline.
.TP
\fB\-c, \-\-cu\-only\fR
Only list the CU names.
.TP
\fB\-v, \-\-verbose\fR
Increase verbosity of logging messages.
.SH EXAMPLES
List all source files for a binary.
.SAMPLE
eu-srcfiles -e /bin/ls
.ESAMPLE
List all compilation units (CU) names for a given process (including shared libraries).
.SAMPLE
eu-srcfiles -c -p $$
.ESAMPLE
List source files of a binary based on its buildid, using debuginfod.
.SAMPLE
binary=`debuginfod-find executable 9c22d8d9e42bd051ffdc1064fdfd456ba781c629`
eu-srcfiles -c -e $binary
.ESAMPLE
Show the source code of the first CU of a shared library.
.SAMPLE
binary=/usr/lib64/libc.so.6
srcfile=`eu-srcfiles -c -e $binary | head -1`
cat `debuginfod-find source $binary $srcfile`
.ESAMPLE
List the source files of a kernel image.
.SAMPLE
eu-srcfiles -e /boot/vmlinuz-`uname -r`
.ESAMPLE
.SH "AUTHOR"
Written by Housam Alamour.
.SH "REPORTING BUGS"
Please reports bugs at https://sourceware.org/bugzilla/
.SH "COPYRIGHT"
Copyright (c) 2023 Red Hat Inc. License GPLv3+: GNU GPL version 3 or
later <https://gnu.org/licenses/gpl.html>. This is free software: you
are free to change and redistribute it. There is NO WARRANTY, to the
extent permitted by law.
include/elfutils/libdwfl.h
-1
View File
@@ -1 +0,0 @@
../../libdwfl/libdwfl.h
lib/ChangeLog
+4
View File
@@ -1,3 +1,7 @@
2022-12-20 Mark Wielaard <mark@klomp.org>
* Makefile.am (xmalloc_CFLAGS): Remove.
2022-09-21 Yonggang Luo <luoyonggang@gmail.com>
* color.c: Don't include unistd.h.
lib/Makefile.am
-4
View File
@@ -41,7 +41,3 @@ noinst_HEADERS = fixedsizehash.h libeu.h system.h dynamicsizehash.h list.h \
eu-config.h color.h printversion.h bpf.h \
atomics.h stdatomic-fbsd.h dynamicsizehash_concurrent.h
EXTRA_DIST = dynamicsizehash.c dynamicsizehash_concurrent.c
if !GPROF
xmalloc_CFLAGS = -ffunction-sections
endif
lib/dynamicsizehash_concurrent.c
+2 -2
View File
@@ -42,7 +42,7 @@
static size_t
lookup (NAME *htab, HASHTYPE hval)
{
/* First hash function: simply take the modul but prevent zero. Small values
/* First hash function: simply take the modulus but prevent zero. Small values
can skip the division, which helps performance when this is common. */
size_t idx = 1 + (hval < htab->size ? hval : hval % htab->size);
@@ -77,7 +77,7 @@ lookup (NAME *htab, HASHTYPE hval)
static int
insert_helper (NAME *htab, HASHTYPE hval, TYPE val)
{
/* First hash function: simply take the modul but prevent zero. Small values
/* First hash function: simply take the modulus but prevent zero. Small values
can skip the division, which helps performance when this is common. */
size_t idx = 1 + (hval < htab->size ? hval : hval % htab->size);
lib/eu-config.h
+7
View File
@@ -33,13 +33,18 @@
# include <pthread.h>
# include <assert.h>
# define rwlock_define(class,name) class pthread_rwlock_t name
# define once_define(class,name) class pthread_once_t name = PTHREAD_ONCE_INIT
# define RWLOCK_CALL(call) \
({ int _err = pthread_rwlock_ ## call; assert_perror (_err); })
# define ONCE_CALL(call) \
({ int _err = pthread_ ## call; assert_perror (_err); })
# define rwlock_init(lock) RWLOCK_CALL (init (&lock, NULL))
# define rwlock_fini(lock) RWLOCK_CALL (destroy (&lock))
# define rwlock_rdlock(lock) RWLOCK_CALL (rdlock (&lock))
# define rwlock_wrlock(lock) RWLOCK_CALL (wrlock (&lock))
# define rwlock_unlock(lock) RWLOCK_CALL (unlock (&lock))
# define once(once_control, init_routine) \
ONCE_CALL (once (&once_control, init_routine))
#else
/* Eventually we will allow multi-threaded applications to use the
libraries. Therefore we will add the necessary locking although
@@ -50,6 +55,8 @@
# define rwlock_rdlock(lock) ((void) (lock))
# define rwlock_wrlock(lock) ((void) (lock))
# define rwlock_unlock(lock) ((void) (lock))
# define once_define(class,name)
# define once(once_control, init_routine) init_routine()
#endif /* USE_LOCKS */
#include <libintl.h>
lib/printversion.c
+1 -1
View File
@@ -40,5 +40,5 @@ print_version (FILE *stream, struct argp_state *state)
Copyright (C) %s The elfutils developers <%s>.\n\
This is free software; see the source for copying conditions. There is NO\n\
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
"), "2022", PACKAGE_URL);
"), "2023", PACKAGE_URL);
}
lib/printversion.h
+11 -1
View File
@@ -32,6 +32,9 @@
#include <argp.h>
#include <stdio.h>
#ifdef __cplusplus
extern "C" {
#endif
/* Defined in version.c. Common ARGP_PROGRAM_VERSION_HOOK_DEF. */
void print_version (FILE *stream, struct argp_state *state);
@@ -39,11 +42,18 @@ void print_version (FILE *stream, struct argp_state *state);
argp_program_bug_address, in all programs. argp.h declares these
variables as non-const (which is correct in general). But we can
do better, it is not going to change. So we want to move them into
the .rodata section. Define macros to do the trick. */
the .rodata section. Define macros to do the trick. The default
linkage for consts in C++ is internal, so declare them extern. */
extern void (*const apvh) (FILE *, struct argp_state *);
#define ARGP_PROGRAM_VERSION_HOOK_DEF \
void (*const apvh) (FILE *, struct argp_state *) \
__asm ("argp_program_version_hook")
extern const char *const apba__;
#define ARGP_PROGRAM_BUG_ADDRESS_DEF \
const char *const apba__ __asm ("argp_program_bug_address")
#ifdef __cplusplus
}
#endif
#endif // PRINTVERSION_H
lib/system.h
+1 -1
View File
@@ -39,7 +39,7 @@
#include <stdarg.h>
#include <stdlib.h>
/* System dependend headers */
/* System dependent headers */
#include <byteswap.h>
#include <endian.h>
#include <sys/mman.h>
libasm/ChangeLog
+10
View File
@@ -1,3 +1,13 @@
2023-02-17 Mark Wielaard <mark@klomp.org>
* asm_end.c (free_section): free scnp->content last.
2022-12-20 Mark Wielaard <mark@klomp.org>
* disasm_begin.c: Include libeblP.h.
* disasm_cb.c: Likewise.
* bpf_disasm.c: Likewise and include common.h.
2022-10-21 Yonggang Luo <luoyonggang@gmail.com>
* asm_abort.c: Don't include unistd.h.
libasm/Makefile.am
+2 -1
View File
@@ -64,7 +64,8 @@ libasm_so_LIBS = libasm_pic.a
libasm.so: $(srcdir)/libasm.map $(libasm_so_LIBS) $(libasm_so_DEPS)
$(AM_V_CCLD)$(LINK) $(dso_LDFLAGS) -o $@ \
-Wl,--soname,$@.$(VERSION) \
-Wl,--version-script,$<,--no-undefined \
-Wl,--version-script,$< \
$(NO_UNDEFINED) \
-Wl,--whole-archive $(libasm_so_LIBS) -Wl,--no-whole-archive \
$(libasm_so_LDLIBS)
@$(textrel_check)
libasm/asm_end.c
+10 -8
View File
@@ -541,16 +541,18 @@ free_section (AsmScn_t *scnp)
if (scnp->subnext != NULL)
free_section (scnp->subnext);
/* This is a circular single linked list. */
struct AsmData *data = scnp->content;
if (data != NULL)
do
{
oldp = data;
data = data->next;
free (oldp);
}
while (oldp != scnp->content);
{
while (data != scnp->content)
{
oldp = data;
data = data->next;
free (oldp);
}
free (scnp->content);
}
free (scnp);
}
libasm/asm_newscn.c
+11 -5
View File
@@ -41,19 +41,25 @@
/* Memory for the default pattern. The type uses a flexible array
which does work well with a static initializer. So we play some
dirty tricks here. */
static const struct
which does work well with a static initializer. Work around this by
wrapping it in a union, whose second member is a char array 1 byte larger
than struct FillPattern. According to 6.7.9, this does what we need:
If an object that has static or thread storage duration is not
initialized explicitly, then ... if it is a union, the first named
member is initialized (recursively) according to these rules, and
any padding is initialized to zero bits. */
static const union
{
struct FillPattern pattern;
char zero;
char zeroes[sizeof(struct FillPattern) + 1];
} xdefault_pattern =
{
.pattern =
{
.len = 1
},
.zero = '\0'
};
const struct FillPattern *__libasm_default_pattern = &xdefault_pattern.pattern;
libasm/disasm_begin.c
+1 -1
View File
@@ -34,7 +34,7 @@
#include <stdlib.h>
#include "libasmP.h"
#include "../libebl/libeblP.h"
#include "libeblP.h"
DisasmCtx_t *
libasm/disasm_cb.c
+1 -1
View File
@@ -33,7 +33,7 @@
#include <string.h>
#include "libasmP.h"
#include "../libebl/libeblP.h"
#include "libeblP.h"
struct symtoken
libcpu/ChangeLog
+23
View File
@@ -1,3 +1,26 @@
2022-12-18 Yonggang Luo <luoyonggang@gmail.com>
* i386_mne.h: New file, extracted from i386_disasm.c.
* Makefile.am (noinst_HEADERS): Add i386_mne.h.
(i386_parse_CFLAGS): Removed.
* i386_disasm.c: Include i386_mne.h.
* i386_parse.y: Include i386_mne.h.
(instrtable_out): Use MNE_COUNT instead of NMNES.
2022-12-18 Yonggang Luo <luoyonggang@gmail.com>
* i386_disasm.c (i386_disasm): Use __asm instead of asm.
2022-12-20 Mark Wielaard <mark@klomp.org>
* bpf_disasm.c: Include common.h and libeblP.h.
* i386_disasm.c: Include libeblP.h.
* riscv_disasm.c: Likewise.
2022-10-21 Yonggang Luo <luoyonggang@gmail.com>
* i386_data.h: Define FCT_mod$64r_m as FCT_mod$r_m for i386.
2022-10-21 Yonggang Luo <luoyonggang@gmail.com>
* i386_disasm.c: Don't include endian.h.
libcpu/Makefile.am
+1 -2
View File
@@ -40,7 +40,7 @@ AM_YFLAGS = -p$(<F:parse.y=)
noinst_LIBRARIES = libcpu.a libcpu_pic.a
noinst_HEADERS = i386_dis.h x86_64_dis.h
noinst_HEADERS = i386_dis.h i386_mne.h x86_64_dis.h
libcpu_a_SOURCES = i386_disasm.c x86_64_disasm.c bpf_disasm.c riscv_disasm.c
@@ -92,7 +92,6 @@ libeu = ../lib/libeu.a
i386_lex_CFLAGS = -Wno-unused-label -Wno-unused-function -Wno-sign-compare \
-Wno-implicit-fallthrough
i386_parse.o: i386_parse.c i386.mnemonics
i386_parse_CFLAGS = -DNMNES="`wc -l < i386.mnemonics`"
i386_lex.o: i386_parse.h
i386_gendis_LDADD = $(libeu) -lm $(obstack_LIBS)
libcpu/bpf_disasm.c
+2 -2
View File
@@ -37,8 +37,8 @@
#include <inttypes.h>
#include "bpf.h"
#include "../libelf/common.h"
#include "../libebl/libeblP.h"
#include "common.h"
#include "libeblP.h"
static const char class_string[8][8] = {
[BPF_LD] = "ld",
libcpu/defs/i386.doc
-74
View File
@@ -1,74 +0,0 @@
{imm} only parameter:
- is {s} in opcode: {s} == 0, unsigned (8/)16/32 bit immediate
{s} == 1, signed 8 bit immediate
{es:di}: segment register normally %es, can be overwritten
edi/di depending on apfx
{ds:si}: segment register normally %ds, can be overwritten
esi/si depending on apfx
{ax} al/ax/eax depending of dpfx and w
{dx} (%edx) or (%dx) depending on apfx
{w} 0 = b, 1 = { no dpfx = l, dpfx = w }
{W} no dpfx = <empty>, dpfx = w
{WW} no dpfx = l, dpfx = w
{R} rep prefix possible
{RE} repe or repne prefix possible
{ccc} CRx registers
{ddd} DRx registers
{gg} 00 = b, 01 = w, 10 = d, 11 = <illegal>
{0g} 00 = b, 01 = w, 10 = <illegal>, 11 = <illegal>
{GG} 00 = <illegal>, 01 = w, 10 = d, 11 = q
{gG} 00 = <illegal>, 01 = w, 10 = d, 11 = <illegal>
{modr/m} normal registers
{MODR/M} MMX registers
{ModR/m} XMM registers
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Special opcodes (prefixes):
01100111:{apfx}
01100110:{dpfx}
00101110:{cs}
00111110:{ds}
00100110:{es}
01100100:{fs}
01100101:{gs}
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
table format
1bit RE flag
1bit R flag
16bit mnemonic
3bit suffix
5bit fct
2bit string
6bit offset1
5bit offset2
4bit fct
1bit string
6bit offset1
4bit offset2
2bit fct
1bit string
3bit offset1
1bit offset2
61bit
libcpu/i386.mnemonics
-515
View File
@@ -1,515 +0,0 @@
MNE(aaa)
MNE(aad)
MNE(aam)
MNE(aas)
MNE(adc)
MNE(add)
MNE(addpd)
MNE(addps)
MNE(addsd)
MNE(addss)
MNE(addsubpd)
MNE(addsubps)
MNE(and)
MNE(andnpd)
MNE(andnps)
MNE(andpd)
MNE(andps)
MNE(arpl)
MNE(blendpd)
MNE(blendps)
MNE(blendvpd)
MNE(blendvps)
MNE(bound)
MNE(bsf)
MNE(bsr)
MNE(bswap)
MNE(bt)
MNE(btc)
MNE(btr)
MNE(bts)
MNE(call)
MNE(clc)
MNE(cld)
MNE(clflush)
MNE(cli)
MNE(clts)
MNE(cmc)
MNE(cmov)
MNE(cmp)
MNE(cmpeqps)
MNE(cmpeqss)
MNE(cmpleps)
MNE(cmpless)
MNE(cmpltps)
MNE(cmpltss)
MNE(cmpneqps)
MNE(cmpneqss)
MNE(cmpnleps)
MNE(cmpnless)
MNE(cmpnltps)
MNE(cmpnltss)
MNE(cmpordps)
MNE(cmpordss)
MNE(cmps)
MNE(cmpunordps)
MNE(cmpunordss)
MNE(cmpxchg)
MNE(cmpxchg8b)
MNE(comisd)
MNE(comiss)
MNE(cpuid)
MNE(cvtdq2pd)
MNE(cvtdq2ps)
MNE(cvtpd2dq)
MNE(cvtpd2pi)
MNE(cvtpd2ps)
MNE(cvtpi2pd)
MNE(cvtpi2ps)
MNE(cvtps2dq)
MNE(cvtps2pd)
MNE(cvtps2pi)
MNE(cvtsd2si)
MNE(cvtsd2ss)
MNE(cvtsi2sd)
MNE(cvtsi2ss)
MNE(cvtss2sd)
MNE(cvtss2si)
MNE(cvttpd2dq)
MNE(cvttpd2pi)
MNE(cvttps2dq)
MNE(cvttps2pi)
MNE(cvttsd2si)
MNE(cvttss2si)
MNE(daa)
MNE(das)
MNE(dec)
MNE(div)
MNE(divpd)
MNE(divps)
MNE(divsd)
MNE(divss)
MNE(dppd)
MNE(dpps)
MNE(emms)
MNE(enter)
MNE(f2xm1)
MNE(fabs)
MNE(fadd)
MNE(faddp)
MNE(fbld)
MNE(fbstp)
MNE(fchs)
MNE(fclex)
MNE(fcmovb)
MNE(fcmovbe)
MNE(fcmove)
MNE(fcmovnb)
MNE(fcmovnbe)
MNE(fcmovne)
MNE(fcmovnu)
MNE(fcmovu)
MNE(fcom)
MNE(fcomi)
MNE(fcomip)
MNE(fcomp)
MNE(fcompp)
MNE(fcos)
MNE(fdecstp)
MNE(fdiv)
MNE(fdivp)
MNE(fdivr)
MNE(fdivrp)
MNE(ffree)
MNE(fiadd)
MNE(ficom)
MNE(ficomp)
MNE(fidiv)
MNE(fidivl)
MNE(fidivr)
MNE(fidivrl)
MNE(fild)
MNE(fildl)
MNE(fildll)
MNE(fimul)
MNE(fincstp)
MNE(finit)
MNE(fist)
MNE(fistp)
MNE(fistpll)
MNE(fisttp)
MNE(fisttpll)
MNE(fisub)
MNE(fisubr)
MNE(fld)
MNE(fld1)
MNE(fldcw)
MNE(fldenv)
MNE(fldl2e)
MNE(fldl2t)
MNE(fldlg2)
MNE(fldln2)
MNE(fldpi)
MNE(fldt)
MNE(fldz)
MNE(fmul)
MNE(fmulp)
MNE(fnclex)
MNE(fninit)
MNE(fnop)
MNE(fnsave)
MNE(fnstcw)
MNE(fnstenv)
MNE(fnstsw)
MNE(fpatan)
MNE(fprem)
MNE(fprem1)
MNE(fptan)
MNE(frndint)
MNE(frstor)
MNE(fscale)
MNE(fsin)
MNE(fsincos)
MNE(fsqrt)
MNE(fst)
MNE(fstp)
MNE(fstpt)
MNE(fsub)
MNE(fsubp)
MNE(fsubr)
MNE(fsubrp)
MNE(ftst)
MNE(fucom)
MNE(fucomi)
MNE(fucomip)
MNE(fucomp)
MNE(fwait)
MNE(fxam)
MNE(fxch)
MNE(fxrstor)
MNE(fxsave)
MNE(fxtract)
MNE(fyl2x)
MNE(fyl2xp1)
MNE(getsec)
MNE(haddpd)
MNE(haddps)
MNE(hlt)
MNE(hsubpd)
MNE(hsubps)
MNE(idiv)
MNE(imul)
MNE(in)
MNE(inc)
MNE(ins)
MNE(insertps)
MNE(int)
MNE(int3)
MNE(into)
MNE(invd)
MNE(invlpg)
MNE(iret)
MNE(j)
MNE(jmp)
MNE(lahf)
MNE(lar)
MNE(lcall)
MNE(lddqu)
MNE(ldmxcsr)
MNE(lds)
MNE(lea)
MNE(leave)
MNE(les)
MNE(lfence)
MNE(lfs)
MNE(lgdt)
MNE(lgs)
MNE(lidt)
MNE(ljmp)
MNE(lldt)
MNE(lmsw)
MNE(lock)
MNE(lods)
MNE(loop)
MNE(loope)
MNE(loopne)
MNE(lret)
MNE(lsl)
MNE(lss)
MNE(ltr)
MNE(maskmovdqu)
MNE(maskmovq)
MNE(maxpd)
MNE(maxps)
MNE(maxsd)
MNE(maxss)
MNE(mfence)
MNE(minpd)
MNE(minps)
MNE(minsd)
MNE(minss)
MNE(monitor)
MNE(mov)
MNE(movapd)
MNE(movaps)
MNE(movd)
MNE(movddup)
MNE(movdq2q)
MNE(movdqa)
MNE(movdqu)
MNE(movhlpd)
MNE(movhlps)
MNE(movhpd)
MNE(movhps)
MNE(movlhpd)
MNE(movlhps)
MNE(movlpd)
MNE(movlps)
MNE(movmskpd)
MNE(movmskps)
MNE(movntdq)
MNE(movntdqa)
MNE(movnti)
MNE(movntpd)
MNE(movntps)
MNE(movntq)
MNE(movq)
MNE(movq2dq)
MNE(movs)
MNE(movsbl)
MNE(movsd)
MNE(movshdup)
MNE(movsldup)
MNE(movss)
MNE(movswl)
MNE(movupd)
MNE(movups)
MNE(movzbl)
MNE(movzwl)
MNE(mpsadbw)
MNE(mul)
MNE(mulpd)
MNE(mulps)
MNE(mulsd)
MNE(mulss)
MNE(mwait)
MNE(neg)
MNE(nop)
MNE(not)
MNE(or)
MNE(orpd)
MNE(orps)
MNE(out)
MNE(outs)
MNE(pabsb)
MNE(pabsd)
MNE(pabsw)
MNE(packssdw)
MNE(packsswb)
MNE(packusdw)
MNE(packuswb)
MNE(paddb)
MNE(paddd)
MNE(paddq)
MNE(paddsb)
MNE(paddsw)
MNE(paddusb)
MNE(paddusw)
MNE(paddw)
MNE(palignr)
MNE(pand)
MNE(pandn)
MNE(pause)
MNE(pavgb)
MNE(pavgw)
MNE(pblendvb)
MNE(pblendw)
MNE(pcmpeqb)
MNE(pcmpeqd)
MNE(pcmpeqq)
MNE(pcmpeqw)
MNE(pcmpestri)
MNE(pcmpestrm)
MNE(pcmpgtb)
MNE(pcmpgtd)
MNE(pcmpgtq)
MNE(pcmpgtw)
MNE(pcmpistri)
MNE(pcmpistrm)
MNE(pextrw)
MNE(phaddd)
MNE(phaddsw)
MNE(phaddw)
MNE(phminposuw)
MNE(phsubd)
MNE(phsubsw)
MNE(phsubw)
MNE(pinsrb)
MNE(pinsrd)
MNE(pinsrw)
MNE(pmaddubsw)
MNE(pmaddwd)
MNE(pmaxsb)
MNE(pmaxsd)
MNE(pmaxsw)
MNE(pmaxub)
MNE(pmaxud)
MNE(pmaxuw)
MNE(pminsb)
MNE(pminsd)
MNE(pminsw)
MNE(pminub)
MNE(pminud)
MNE(pminuw)
MNE(pmovmskb)
MNE(pmovsxbd)
MNE(pmovsxbq)
MNE(pmovsxbw)
MNE(pmovsxdq)
MNE(pmovsxwd)
MNE(pmovsxwq)
MNE(pmovzxbd)
MNE(pmovzxbq)
MNE(pmovzxbw)
MNE(pmovzxdq)
MNE(pmovzxwd)
MNE(pmovzxwq)
MNE(pmuldq)
MNE(pmulhrsw)
MNE(pmulhuw)
MNE(pmulhw)
MNE(pmulld)
MNE(pmullw)
MNE(pmuludq)
MNE(pop)
MNE(popa)
MNE(popcnt)
MNE(popf)
MNE(por)
MNE(prefetch)
MNE(prefetchnta)
MNE(prefetcht0)
MNE(prefetcht1)
MNE(prefetcht2)
MNE(prefetchw)
MNE(psadbw)
MNE(pshufb)
MNE(pshufd)
MNE(pshufhw)
MNE(pshuflw)
MNE(pshufw)
MNE(psignb)
MNE(psignd)
MNE(psignw)
MNE(pslld)
MNE(pslldq)
MNE(psllq)
MNE(psllw)
MNE(psrad)
MNE(psraw)
MNE(psrld)
MNE(psrldq)
MNE(psrlq)
MNE(psrlw)
MNE(psubb)
MNE(psubd)
MNE(psubq)
MNE(psubsb)
MNE(psubsw)
MNE(psubusb)
MNE(psubusw)
MNE(psubw)
MNE(ptest)
MNE(punpckhbw)
MNE(punpckhdq)
MNE(punpckhqdq)
MNE(punpckhwd)
MNE(punpcklbw)
MNE(punpckldq)
MNE(punpcklqdq)
MNE(punpcklwd)
MNE(push)
MNE(pusha)
MNE(pushf)
MNE(pxor)
MNE(rcl)
MNE(rcpps)
MNE(rcpss)
MNE(rcr)
MNE(rdmsr)
MNE(rdpmc)
MNE(rdtsc)
MNE(ret)
MNE(rol)
MNE(ror)
MNE(roundpd)
MNE(roundps)
MNE(roundsd)
MNE(roundss)
MNE(rsm)
MNE(rsqrtps)
MNE(rsqrtss)
MNE(sahf)
MNE(sar)
MNE(sbb)
MNE(scas)
MNE(set)
MNE(sfence)
MNE(sgdtl)
MNE(shl)
MNE(shld)
MNE(shr)
MNE(shrd)
MNE(shufpd)
MNE(shufps)
MNE(sidtl)
MNE(sldt)
MNE(smsw)
MNE(sqrtpd)
MNE(sqrtps)
MNE(sqrtsd)
MNE(sqrtss)
MNE(stc)
MNE(std)
MNE(sti)
MNE(stmxcsr)
MNE(stos)
MNE(str)
MNE(sub)
MNE(subpd)
MNE(subps)
MNE(subsd)
MNE(subss)
MNE(swapgs)
MNE(syscall)
MNE(sysenter)
MNE(sysexit)
MNE(sysret)
MNE(test)
MNE(ucomisd)
MNE(ucomiss)
MNE(ud2a)
MNE(unpckhpd)
MNE(unpckhps)
MNE(unpcklpd)
MNE(unpcklps)
MNE(verr)
MNE(verw)
MNE(vmcall)
MNE(vmclear)
MNE(vmlaunch)
MNE(vmptrld)
MNE(vmptrst)
MNE(vmread)
MNE(vmresume)
MNE(vmwrite)
MNE(vmxoff)
MNE(vmxon)
MNE(wbinvd)
MNE(wrmsr)
MNE(xadd)
MNE(xchg)
MNE(xlat)
MNE(xor)
MNE(xorpd)
MNE(xorps)
libcpu/i386_data.h
+1 -1
View File
@@ -1153,7 +1153,7 @@ FCT_mod$64r_m (struct output_data *d)
return general_mod$r_m (d);
}
#else
static typeof (FCT_mod$r_m) FCT_mod$64r_m __attribute__ ((alias ("FCT_mod$r_m")));
#define FCT_mod$64r_m FCT_mod$r_m
#endif
libcpu/i386_dis.h
-1657
View File
File diff suppressed because it is too large Load Diff
libcpu/i386_disasm.c
+4 -16
View File
@@ -41,15 +41,12 @@
#include <stdlib.h>
#include <string.h>
#include "../libebl/libeblP.h"
#include "libeblP.h"
#define MACHINE_ENCODING LITTLE_ENDIAN
#include "memory-access.h"
#ifndef MNEFILE
# define MNEFILE "i386.mnemonics"
#endif
#include "i386_mne.h"
#define MNESTRFIELD(line) MNESTRFIELD1 (line)
#define MNESTRFIELD1(line) str##line
@@ -71,15 +68,6 @@ static const union mnestr_t
}
};
/* The index can be stored in the instrtab. */
enum
{
#define MNE(name) MNE_##name,
#include MNEFILE
#undef MNE
MNE_INVALID
};
static const unsigned short int mneidx[] =
{
#define MNE(name) \
@@ -480,8 +468,8 @@ i386_disasm (Ebl *ebl __attribute__((unused)),
/* gcc is not clever enough to see the following variables
are not used uninitialized. */
asm (""
: "=mr" (opoff), "=mr" (correct_prefix), "=mr" (codep),
__asm (""
: "=mr" (opoff), "=mr" (correct_prefix), "=mr" (codep),
"=mr" (next_curr), "=mr" (len));
}
libcpu/i386_mne.h
+46
View File
@@ -0,0 +1,46 @@
/* Disassembler for x86, MNE enums.
Copyright (C) 2007, 2008, 2009, 2011 Red Hat, Inc.
This file is part of elfutils.
This file is free software; you can redistribute it and/or modify
it under the terms of either
* the GNU Lesser General Public License as published by the Free
Software Foundation; either version 3 of the License, or (at
your option) any later version
or
* 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
or both in parallel, as here.
elfutils 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 copies of the GNU General Public License and
the GNU Lesser General Public License along with this program. If
not, see <http://www.gnu.org/licenses/>. */
#ifndef _I386_MNE_H
#define _I386_MNE_H 1
#ifndef MNEFILE
# define MNEFILE "i386.mnemonics"
#endif
/* The index can be stored in the instrtab. */
enum
{
#define MNE(name) MNE_##name,
#include MNEFILE
#undef MNE
MNE_INVALID,
MNE_COUNT = MNE_INVALID,
};
#endif /* i386_mne.h */
libcpu/i386_parse.y
+3 -6
View File
@@ -46,6 +46,8 @@
#include <libeu.h>
#include <system.h>
#include "i386_mne.h"
#define obstack_chunk_alloc xmalloc
#define obstack_chunk_free free
@@ -1107,11 +1109,6 @@ print_op_fct (const void *nodep, VISIT value,
}
}
#if NMNES < 2
# error "bogus NMNES value"
#endif
static void
instrtable_out (void)
{
@@ -1123,7 +1120,7 @@ instrtable_out (void)
fprintf (outfile, "#define MNEMONIC_BITS %zu\n", best_mnemonic_bits);
#else
fprintf (outfile, "#define MNEMONIC_BITS %ld\n",
lrint (ceil (log2 (NMNES))));
lrint (ceil (log2 (MNE_COUNT))));
#endif
fprintf (outfile, "#define SUFFIX_BITS %d\n", nbitsuf);
for (int i = 0; i < 3; ++i)
libcpu/riscv_disasm.c
+1 -1
View File
@@ -39,7 +39,7 @@
#include <stdlib.h>
#include <string.h>
#include "../libebl/libeblP.h"
#include "libeblP.h"
#define MACHINE_ENCODING LITTLE_ENDIAN
#include "memory-access.h"
libcpu/x86_64.mnemonics
-503
View File
@@ -1,503 +0,0 @@
MNE(adc)
MNE(add)
MNE(addpd)
MNE(addps)
MNE(addsd)
MNE(addss)
MNE(addsubpd)
MNE(addsubps)
MNE(and)
MNE(andnpd)
MNE(andnps)
MNE(andpd)
MNE(andps)
MNE(blendpd)
MNE(blendps)
MNE(blendvpd)
MNE(blendvps)
MNE(bsf)
MNE(bsr)
MNE(bswap)
MNE(bt)
MNE(btc)
MNE(btr)
MNE(bts)
MNE(call)
MNE(clc)
MNE(cld)
MNE(clflush)
MNE(cli)
MNE(clts)
MNE(cmc)
MNE(cmov)
MNE(cmp)
MNE(cmpeqps)
MNE(cmpeqss)
MNE(cmpleps)
MNE(cmpless)
MNE(cmpltps)
MNE(cmpltss)
MNE(cmpneqps)
MNE(cmpneqss)
MNE(cmpnleps)
MNE(cmpnless)
MNE(cmpnltps)
MNE(cmpnltss)
MNE(cmpordps)
MNE(cmpordss)
MNE(cmps)
MNE(cmpunordps)
MNE(cmpunordss)
MNE(cmpxchg)
MNE(comisd)
MNE(comiss)
MNE(cpuid)
MNE(cvtdq2pd)
MNE(cvtdq2ps)
MNE(cvtpd2dq)
MNE(cvtpd2pi)
MNE(cvtpd2ps)
MNE(cvtpi2pd)
MNE(cvtpi2ps)
MNE(cvtps2dq)
MNE(cvtps2pd)
MNE(cvtps2pi)
MNE(cvtsd2si)
MNE(cvtsd2ss)
MNE(cvtsi2sd)
MNE(cvtsi2ss)
MNE(cvtss2sd)
MNE(cvtss2si)
MNE(cvttpd2dq)
MNE(cvttpd2pi)
MNE(cvttps2dq)
MNE(cvttps2pi)
MNE(cvttsd2si)
MNE(cvttss2si)
MNE(dec)
MNE(div)
MNE(divpd)
MNE(divps)
MNE(divsd)
MNE(divss)
MNE(dppd)
MNE(dpps)
MNE(emms)
MNE(enter)
MNE(f2xm1)
MNE(fabs)
MNE(fadd)
MNE(faddp)
MNE(fbld)
MNE(fbstp)
MNE(fchs)
MNE(fclex)
MNE(fcmovb)
MNE(fcmovbe)
MNE(fcmove)
MNE(fcmovnb)
MNE(fcmovnbe)
MNE(fcmovne)
MNE(fcmovnu)
MNE(fcmovu)
MNE(fcom)
MNE(fcomi)
MNE(fcomip)
MNE(fcomp)
MNE(fcompp)
MNE(fcos)
MNE(fdecstp)
MNE(fdiv)
MNE(fdivp)
MNE(fdivr)
MNE(fdivrp)
MNE(ffree)
MNE(fiadd)
MNE(ficom)
MNE(ficomp)
MNE(fidiv)
MNE(fidivl)
MNE(fidivr)
MNE(fidivrl)
MNE(fild)
MNE(fildl)
MNE(fildll)
MNE(fimul)
MNE(fincstp)
MNE(finit)
MNE(fist)
MNE(fistp)
MNE(fistpll)
MNE(fisttp)
MNE(fisttpll)
MNE(fisub)
MNE(fisubr)
MNE(fld)
MNE(fld1)
MNE(fldcw)
MNE(fldenv)
MNE(fldl2e)
MNE(fldl2t)
MNE(fldlg2)
MNE(fldln2)
MNE(fldpi)
MNE(fldt)
MNE(fldz)
MNE(fmul)
MNE(fmulp)
MNE(fnclex)
MNE(fninit)
MNE(fnop)
MNE(fnsave)
MNE(fnstcw)
MNE(fnstenv)
MNE(fnstsw)
MNE(fpatan)
MNE(fprem)
MNE(fprem1)
MNE(fptan)
MNE(frndint)
MNE(frstor)
MNE(fscale)
MNE(fsin)
MNE(fsincos)
MNE(fsqrt)
MNE(fst)
MNE(fstp)
MNE(fstpt)
MNE(fsub)
MNE(fsubp)
MNE(fsubr)
MNE(fsubrp)
MNE(ftst)
MNE(fucom)
MNE(fucomi)
MNE(fucomip)
MNE(fucomp)
MNE(fwait)
MNE(fxam)
MNE(fxch)
MNE(fxrstor)
MNE(fxsave)
MNE(fxtract)
MNE(fyl2x)
MNE(fyl2xp1)
MNE(getsec)
MNE(haddpd)
MNE(haddps)
MNE(hlt)
MNE(hsubpd)
MNE(hsubps)
MNE(idiv)
MNE(imul)
MNE(in)
MNE(inc)
MNE(ins)
MNE(insertps)
MNE(int)
MNE(int3)
MNE(invd)
MNE(invlpg)
MNE(iret)
MNE(j)
MNE(jmp)
MNE(lahf)
MNE(lar)
MNE(lcall)
MNE(lddqu)
MNE(ldmxcsr)
MNE(lea)
MNE(leave)
MNE(lfence)
MNE(lfs)
MNE(lgdt)
MNE(lgs)
MNE(lidt)
MNE(ljmp)
MNE(lldt)
MNE(lmsw)
MNE(lock)
MNE(lods)
MNE(loop)
MNE(loope)
MNE(loopne)
MNE(lret)
MNE(lsl)
MNE(lss)
MNE(ltr)
MNE(maskmovdqu)
MNE(maskmovq)
MNE(maxpd)
MNE(maxps)
MNE(maxsd)
MNE(maxss)
MNE(mfence)
MNE(minpd)
MNE(minps)
MNE(minsd)
MNE(minss)
MNE(monitor)
MNE(mov)
MNE(movapd)
MNE(movaps)
MNE(movd)
MNE(movddup)
MNE(movdq2q)
MNE(movdqa)
MNE(movdqu)
MNE(movhlpd)
MNE(movhlps)
MNE(movhpd)
MNE(movhps)
MNE(movlhpd)
MNE(movlhps)
MNE(movlpd)
MNE(movlps)
MNE(movmskpd)
MNE(movmskps)
MNE(movntdq)
MNE(movntdqa)
MNE(movnti)
MNE(movntpd)
MNE(movntps)
MNE(movntq)
MNE(movq)
MNE(movq2dq)
MNE(movs)
MNE(movsbl)
MNE(movsd)
MNE(movshdup)
MNE(movsldup)
MNE(movslq)
MNE(movss)
MNE(movswl)
MNE(movupd)
MNE(movups)
MNE(movzbl)
MNE(movzwl)
MNE(mpsadbw)
MNE(mul)
MNE(mulpd)
MNE(mulps)
MNE(mulsd)
MNE(mulss)
MNE(mwait)
MNE(neg)
MNE(nop)
MNE(not)
MNE(or)
MNE(orpd)
MNE(orps)
MNE(out)
MNE(outs)
MNE(pabsb)
MNE(pabsd)
MNE(pabsw)
MNE(packssdw)
MNE(packsswb)
MNE(packusdw)
MNE(packuswb)
MNE(paddb)
MNE(paddd)
MNE(paddq)
MNE(paddsb)
MNE(paddsw)
MNE(paddusb)
MNE(paddusw)
MNE(paddw)
MNE(palignr)
MNE(pand)
MNE(pandn)
MNE(pause)
MNE(pavgb)
MNE(pavgw)
MNE(pblendvb)
MNE(pblendw)
MNE(pcmpeqb)
MNE(pcmpeqd)
MNE(pcmpeqq)
MNE(pcmpeqw)
MNE(pcmpestri)
MNE(pcmpestrm)
MNE(pcmpgtb)
MNE(pcmpgtd)
MNE(pcmpgtq)
MNE(pcmpgtw)
MNE(pcmpistri)
MNE(pcmpistrm)
MNE(pextrw)
MNE(phaddd)
MNE(phaddsw)
MNE(phaddw)
MNE(phminposuw)
MNE(phsubd)
MNE(phsubsw)
MNE(phsubw)
MNE(pinsrb)
MNE(pinsrd)
MNE(pinsrw)
MNE(pmaddubsw)
MNE(pmaddwd)
MNE(pmaxsb)
MNE(pmaxsd)
MNE(pmaxsw)
MNE(pmaxub)
MNE(pmaxud)
MNE(pmaxuw)
MNE(pminsb)
MNE(pminsd)
MNE(pminsw)
MNE(pminub)
MNE(pminud)
MNE(pminuw)
MNE(pmovmskb)
MNE(pmovsxbd)
MNE(pmovsxbq)
MNE(pmovsxbw)
MNE(pmovsxdq)
MNE(pmovsxwd)
MNE(pmovsxwq)
MNE(pmovzxbd)
MNE(pmovzxbq)
MNE(pmovzxbw)
MNE(pmovzxdq)
MNE(pmovzxwd)
MNE(pmovzxwq)
MNE(pmuldq)
MNE(pmulhrsw)
MNE(pmulhuw)
MNE(pmulhw)
MNE(pmulld)
MNE(pmullw)
MNE(pmuludq)
MNE(pop)
MNE(popcnt)
MNE(popf)
MNE(por)
MNE(prefetch)
MNE(prefetchnta)
MNE(prefetcht0)
MNE(prefetcht1)
MNE(prefetcht2)
MNE(prefetchw)
MNE(psadbw)
MNE(pshufb)
MNE(pshufd)
MNE(pshufhw)
MNE(pshuflw)
MNE(pshufw)
MNE(psignb)
MNE(psignd)
MNE(psignw)
MNE(pslld)
MNE(pslldq)
MNE(psllq)
MNE(psllw)
MNE(psrad)
MNE(psraw)
MNE(psrld)
MNE(psrldq)
MNE(psrlq)
MNE(psrlw)
MNE(psubb)
MNE(psubd)
MNE(psubq)
MNE(psubsb)
MNE(psubsw)
MNE(psubusb)
MNE(psubusw)
MNE(psubw)
MNE(ptest)
MNE(punpckhbw)
MNE(punpckhdq)
MNE(punpckhqdq)
MNE(punpckhwd)
MNE(punpcklbw)
MNE(punpckldq)
MNE(punpcklqdq)
MNE(punpcklwd)
MNE(push)
MNE(pushf)
MNE(pushq)
MNE(pxor)
MNE(rcl)
MNE(rcpps)
MNE(rcpss)
MNE(rcr)
MNE(rdmsr)
MNE(rdpmc)
MNE(rdtsc)
MNE(ret)
MNE(rol)
MNE(ror)
MNE(roundpd)
MNE(roundps)
MNE(roundsd)
MNE(roundss)
MNE(rsm)
MNE(rsqrtps)
MNE(rsqrtss)
MNE(sahf)
MNE(sar)
MNE(sbb)
MNE(scas)
MNE(set)
MNE(sfence)
MNE(sgdt)
MNE(shl)
MNE(shld)
MNE(shr)
MNE(shrd)
MNE(shufpd)
MNE(shufps)
MNE(sidt)
MNE(sldt)
MNE(smsw)
MNE(sqrtpd)
MNE(sqrtps)
MNE(sqrtsd)
MNE(sqrtss)
MNE(stc)
MNE(std)
MNE(sti)
MNE(stmxcsr)
MNE(stos)
MNE(str)
MNE(sub)
MNE(subpd)
MNE(subps)
MNE(subsd)
MNE(subss)
MNE(swapgs)
MNE(syscall)
MNE(sysenter)
MNE(sysexit)
MNE(sysret)
MNE(test)
MNE(ucomisd)
MNE(ucomiss)
MNE(ud2a)
MNE(unpckhpd)
MNE(unpckhps)
MNE(unpcklpd)
MNE(unpcklps)
MNE(verr)
MNE(verw)
MNE(vmcall)
MNE(vmclear)
MNE(vmlaunch)
MNE(vmptrld)
MNE(vmptrst)
MNE(vmread)
MNE(vmresume)
MNE(vmwrite)
MNE(vmxoff)
MNE(vmxon)
MNE(wbinvd)
MNE(wrmsr)
MNE(xadd)
MNE(xchg)
MNE(xlat)
MNE(xor)
MNE(xorpd)
MNE(xorps)
libcpu/x86_64_dis.h
-1632
View File
File diff suppressed because it is too large Load Diff
libdw/ChangeLog
+104
View File
@@ -1,3 +1,107 @@
2023-09-27 Omar Sandoval <osandov@fb.com>
* libdwP.h ((Dwarf): Add elfpath.
* dwarf_begin_elf.c (__libdw_debugdir): Replace declaration with...
(__libdw_elfpath): New declaration.
(__libdw_set_debugdir): New declaration.
(__libdw_debugdir): Replace with..
(__libdw_elfpath): New function.
(__libdw_set_debugdir): New function.
(valid_p): Call __libdw_elfpath and __libdw_set_debugdir instead of
__libdw_debugdir.
* dwarf_end.c (dwarf_end): Free dwarf->elfpath.
2023-09-27 Omar Sandoval <osandov@fb.com>
* libdw_find_split_unit.c (try_split_file): Make static.
* dwarf_entrypc.c (dwarf_entrypc): Call dwarf_lowpc.
* dwarf_ranges.c (dwarf_ranges): Use skeleton ranges section for
skeleton units.
* dwarf_macro_param2.c (dwarf_macro_param2): Change form condition to
switch statement and add DW_FORM_line_strp, DW_FORM_strp_sup,
DW_FORM_strx, and DW_FORM_strx[1-4].
* dwarf_getmacros.c (get_macinfo_table): Replace assignment of
table->is_64bit with assignments of table->address_size and
table->offset_size. Assume default DW_AT_stmt_list of 0 for split
DWARF. Set table->dbg.
(get_table_for_offset): Ditto.
(read_macros): Get fake CU offset_size from table->offset_size instead
of table->is_64bit.
* dwarf_macro_getsrcfiles.c (dwarf_macro_getsrcfiles): Get
address_size for __libdw_getsrclines from table->address_size instead
of table->is_64bit. Get dbg for __libdw_getsrclines from table->dbg
instead of dbg parameter, which is now unused.
* libdwP.h (Dwarf_Macro_Op_Table): Replace is_64bit with address_size
and offset_size. Add dbg.
Add IDX_debug_cu_index and IDX_debug_tu_index.
* dwarf_begin_elf.c (dwarf_scnnames): Add IDX_debug_cu_index and
IDX_debug_tu_index.
(scn_to_string_section_idx): Ditto.
(scn_dwarf_type): Check for .debug_cu_index, .debug_tu_index,
.zdebug_cu_index, and .zdebug_tu_index.
(check_section): Change .dwo suffix matching to account for
.debug_cu_index and .debug_tu_index.
2023-02-22 Mark Wielaard <mark@klomp.org>
* dwarf_getscopes.c (origin_match): Don't free a->scopes.
(dwarf_getscopes): Free a->scopes on error.
2023-02-20 Mark Wielaard <mark@klomp.org>
* dwarf_begin_elf.c (check_section): Use elf_rawdata.
2023-02-14 Mark Wielaard <mark@klomp.org>
* dwarf_getlocation.c (__libdw_intern_expression): Correct check
for deref_type.
2023-02-10 Mark Wielaard <mark@klomp.org>
* dwarf_getlocation.c (__libdw_intern_expression): Handle
DW_OP_GNU_uninit.
2023-02-12 Mark Wielaard <mark@klomp.org>
* cfi.c (execute_cfi): Add cfi_asser before reading second lib128.
* dwarf_chld.c (__libdw_find_attr): Check readp >= endp before
calling get_uleb128.
* dwarf_frame_register.c (dwarf_frame_register): Likewise for
p >= end.
* dwarf_getabbrev.c (__libdw_getabbrev): Add comment about check.
* dwarf_getlocation.c (__libdw_intern_expression): Update check to
account for both the number and uleb128.
* encoded-value.h (read_encoded_value): Check p >= end for
DW_EH_PE_(u|s)leb128.
* fde.c (intern_fde): Check len can be read as uleb128.
* libdw_form.c (__libdw_form_val_compute_len): Check valp >= endp
before get_uleb128.
2023-01-22 Mark Wielaard <mark@klomp.org>
* dwarf_getscopes.c (pc_record): Return nscopes when done.
(dwarf_getscopes): Call __libdw_visit_scopes with
inlined_origin CU.
2022-12-20 Mark Wielaard <mark@klomp.org>
* Makefile.am (AM_CPPFLAGS): Add -I$(srcdir)/../libebl.
* cfi.c: Include libebl.h.
* encoded-value.h: Likewise.
* frame-cache.h: Likewise.
2022-10-21 Yonggang Luo <luoyonggang@gmail.com>
* memory-access.h (get_uleb128_step): Use __typeof.
(get_sleb128_step): Likewise.
(__libdw_get_sleb128) Likewise.
(__libdw_get_sleb128_unchecked): Likewise.
2022-11-03 Mark Wielaard <mark@klomp.org>
* dwarf_next_cfi.c (dwarf_next_cfi): Don't dereference and assign
bytes.
2022-10-21 Yonggang Luo <luoyonggang@gmail.com>
* dwarf_begin_elf.h: Don't include unistd.h and endian.h.
libdw/Makefile.am
+3 -2
View File
@@ -31,7 +31,7 @@ include $(top_srcdir)/config/eu.am
if BUILD_STATIC
AM_CFLAGS += $(fpic_CFLAGS)
endif
AM_CPPFLAGS += -I$(srcdir)/../libelf -I$(srcdir)/../libdwelf -pthread
AM_CPPFLAGS += -I$(srcdir)/../libebl -I$(srcdir)/../libelf -I$(srcdir)/../libdwelf -pthread
VERSION = 1
lib_LIBRARIES = libdw.a
@@ -114,7 +114,8 @@ libdw_so_LDLIBS = $(libdw_so_DEPS) -ldl -lz $(argp_LDADD) $(fts_LIBS) $(obstack_
libdw.so: $(srcdir)/libdw.map $(libdw_so_LIBS) $(libdw_so_DEPS)
$(AM_V_CCLD)$(LINK) $(dso_LDFLAGS) -o $@ \
-Wl,--soname,$@.$(VERSION),--enable-new-dtags \
-Wl,--version-script,$<,--no-undefined \
-Wl,--version-script,$< \
$(NO_UNDEFINED) \
-Wl,--whole-archive $(libdw_so_LIBS) -Wl,--no-whole-archive \
$(libdw_so_LDLIBS)
@$(textrel_check)
libdw/cfi.c
+3 -1
View File
@@ -31,7 +31,7 @@
#endif
#include <dwarf.h>
#include "../libebl/libebl.h"
#include "libebl.h"
#include "cfi.h"
#include "memory-access.h"
#include "encoded-value.h"
@@ -239,6 +239,7 @@ execute_cfi (Dwarf_CFI *cache,
case DW_CFA_offset_extended_sf:
get_uleb128 (operand, program, end);
cfi_assert (program < end);
get_sleb128 (sf_offset, program, end);
offset_extended_sf:
offset = sf_offset * cie->data_alignment_factor;
@@ -294,6 +295,7 @@ execute_cfi (Dwarf_CFI *cache,
get_uleb128 (regno, program, end);
/* DW_FORM_block is a ULEB128 length followed by that many bytes. */
offset = program - (const uint8_t *) cache->data->d.d_buf;
cfi_assert (program < end);
get_uleb128 (operand, program, end);
cfi_assert (operand <= (Dwarf_Word) (end - program));
program += operand;
libdw/dwarf_begin_elf.c
+87 -42
View File
@@ -1,5 +1,6 @@
/* Create descriptor from ELF descriptor for processing file.
Copyright (C) 2002-2011, 2014, 2015, 2017, 2018 Red Hat, Inc.
Copyright (C) 2023, Mark J. Wielaard <mark@klomp.org>
This file is part of elfutils.
This file is free software; you can redistribute it and/or modify
@@ -66,10 +67,38 @@ static const char dwarf_scnnames[IDX_last][19] =
[IDX_debug_macro] = ".debug_macro",
[IDX_debug_ranges] = ".debug_ranges",
[IDX_debug_rnglists] = ".debug_rnglists",
[IDX_debug_cu_index] = ".debug_cu_index",
[IDX_debug_tu_index] = ".debug_tu_index",
[IDX_gnu_debugaltlink] = ".gnu_debugaltlink"
};
#define ndwarf_scnnames (sizeof (dwarf_scnnames) / sizeof (dwarf_scnnames[0]))
/* Map from section index to string section index.
Non-string sections should have STR_SCN_IDX_last. */
static const enum string_section_index scn_to_string_section_idx[IDX_last] =
{
[IDX_debug_info] = STR_SCN_IDX_last,
[IDX_debug_types] = STR_SCN_IDX_last,
[IDX_debug_abbrev] = STR_SCN_IDX_last,
[IDX_debug_addr] = STR_SCN_IDX_last,
[IDX_debug_aranges] = STR_SCN_IDX_last,
[IDX_debug_line] = STR_SCN_IDX_last,
[IDX_debug_line_str] = STR_SCN_IDX_debug_line_str,
[IDX_debug_frame] = STR_SCN_IDX_last,
[IDX_debug_loc] = STR_SCN_IDX_last,
[IDX_debug_loclists] = STR_SCN_IDX_last,
[IDX_debug_pubnames] = STR_SCN_IDX_last,
[IDX_debug_str] = STR_SCN_IDX_debug_str,
[IDX_debug_str_offsets] = STR_SCN_IDX_last,
[IDX_debug_macinfo] = STR_SCN_IDX_last,
[IDX_debug_macro] = STR_SCN_IDX_last,
[IDX_debug_ranges] = STR_SCN_IDX_last,
[IDX_debug_rnglists] = STR_SCN_IDX_last,
[IDX_debug_cu_index] = STR_SCN_IDX_last,
[IDX_debug_tu_index] = STR_SCN_IDX_last,
[IDX_gnu_debugaltlink] = STR_SCN_IDX_last
};
static enum dwarf_type
scn_dwarf_type (Dwarf *result, size_t shstrndx, Elf_Scn *scn)
{
@@ -84,6 +113,11 @@ scn_dwarf_type (Dwarf *result, size_t shstrndx, Elf_Scn *scn)
{
if (startswith (scnname, ".gnu.debuglto_.debug"))
return TYPE_GNU_LTO;
else if (strcmp (scnname, ".debug_cu_index") == 0
|| strcmp (scnname, ".debug_tu_index") == 0
|| strcmp (scnname, ".zdebug_cu_index") == 0
|| strcmp (scnname, ".zdebug_tu_index") == 0)
return TYPE_DWO;
else if (startswith (scnname, ".debug_") || startswith (scnname, ".zdebug_"))
{
size_t len = strlen (scnname);
@@ -148,42 +182,34 @@ check_section (Dwarf *result, size_t shstrndx, Elf_Scn *scn, bool inscngrp)
bool gnu_compressed = false;
for (cnt = 0; cnt < ndwarf_scnnames; ++cnt)
{
/* .debug_cu_index and .debug_tu_index don't have a .dwo suffix,
but they are for DWO. */
if (result->type != TYPE_DWO
&& (cnt == IDX_debug_cu_index || cnt == IDX_debug_tu_index))
continue;
bool need_dot_dwo =
(result->type == TYPE_DWO
&& cnt != IDX_debug_cu_index
&& cnt != IDX_debug_tu_index);
size_t dbglen = strlen (dwarf_scnnames[cnt]);
size_t scnlen = strlen (scnname);
if (strncmp (scnname, dwarf_scnnames[cnt], dbglen) == 0
&& (dbglen == scnlen
|| (scnlen == dbglen + 4
&& ((!need_dot_dwo && dbglen == scnlen)
|| (need_dot_dwo
&& scnlen == dbglen + 4
&& strstr (scnname, ".dwo") == scnname + dbglen)))
{
if (dbglen == scnlen)
{
if (result->type == TYPE_PLAIN)
break;
}
else if (result->type == TYPE_DWO)
break;
}
break;
else if (scnname[0] == '.' && scnname[1] == 'z'
&& (strncmp (&scnname[2], &dwarf_scnnames[cnt][1],
dbglen - 1) == 0
&& (scnlen == dbglen + 1
|| (scnlen == dbglen + 5
&& ((!need_dot_dwo && scnlen == dbglen + 1)
|| (need_dot_dwo
&& scnlen == dbglen + 5
&& strstr (scnname,
".dwo") == scnname + dbglen + 1))))
{
if (scnlen == dbglen + 1)
{
if (result->type == TYPE_PLAIN)
{
gnu_compressed = true;
break;
}
}
else if (result->type <= TYPE_DWO)
{
gnu_compressed = true;
break;
}
gnu_compressed = true;
break;
}
else if (scnlen > 14 /* .gnu.debuglto_ prefix. */
&& startswith (scnname, ".gnu.debuglto_")
@@ -218,8 +244,8 @@ check_section (Dwarf *result, size_t shstrndx, Elf_Scn *scn, bool inscngrp)
}
}
/* Get the section data. */
Elf_Data *data = elf_getdata (scn, NULL);
/* Get the section data. Should be raw bytes, no conversion needed. */
Elf_Data *data = elf_rawdata (scn, NULL);
if (data == NULL)
goto err;
@@ -230,27 +256,43 @@ check_section (Dwarf *result, size_t shstrndx, Elf_Scn *scn, bool inscngrp)
/* We can now read the section data into results. */
result->sectiondata[cnt] = data;
/* If the section contains string data, we want to know a size of a prefix
where any string will be null-terminated. */
enum string_section_index string_section_idx = scn_to_string_section_idx[cnt];
if (string_section_idx < STR_SCN_IDX_last)
{
size_t size = data->d_size;
/* Reduce the size by the number of non-zero bytes at the end of the
section. */
while (size > 0 && *((const char *) data->d_buf + size - 1) != '\0')
--size;
result->string_section_size[string_section_idx] = size;
}
return result;
}
/* Helper function to set debugdir field. We want to cache the dir
where we found this Dwarf ELF file to locate alt and dwo files. */
char *
__libdw_debugdir (int fd)
__libdw_elfpath (int fd)
{
/* strlen ("/proc/self/fd/") = 14 + strlen (<MAXINT>) = 10 + 1 = 25. */
char devfdpath[25];
sprintf (devfdpath, "/proc/self/fd/%u", fd);
char *fdpath = realpath (devfdpath, NULL);
char *fddir;
if (fdpath != NULL && fdpath[0] == '/'
&& (fddir = strrchr (fdpath, '/')) != NULL)
{
*++fddir = '\0';
return fdpath;
}
return NULL;
return realpath (devfdpath, NULL);
}
void
__libdw_set_debugdir (Dwarf *dbg)
{
if (dbg->elfpath == NULL || dbg->elfpath[0] != '/')
return;
size_t dirlen = strrchr (dbg->elfpath, '/') - dbg->elfpath + 1;
dbg->debugdir = malloc (dirlen + 1);
if (dbg->debugdir == NULL)
return;
memcpy (dbg->debugdir, dbg->elfpath, dirlen);
dbg->debugdir[dirlen] = '\0';
}
@@ -382,7 +424,10 @@ valid_p (Dwarf *result)
}
if (result != NULL)
result->debugdir = __libdw_debugdir (result->elf->fildes);
{
result->elfpath = __libdw_elfpath (result->elf->fildes);
__libdw_set_debugdir(result);
}
return result;
}
libdw/dwarf_child.c
+3
View File
@@ -73,10 +73,13 @@ __libdw_find_attr (Dwarf_Die *die, unsigned int search_name,
if (attr_form == DW_FORM_indirect)
{
if (readp >= endp)
goto invalid;
get_uleb128 (attr_form, readp, endp);
if (attr_form == DW_FORM_indirect ||
attr_form == DW_FORM_implicit_const)
{
invalid:
__libdw_seterrno (DWARF_E_INVALID_DWARF);
return NULL;
}
libdw/dwarf_end.c
+2 -1
View File
@@ -144,7 +144,8 @@ dwarf_end (Dwarf *dwarf)
close (dwarf->alt_fd);
}
/* The cached dir we found the Dwarf ELF file in. */
/* The cached path and dir we found the Dwarf ELF file in. */
free (dwarf->elfpath);
free (dwarf->debugdir);
/* Free the context descriptor. */
libdw/dwarf_entrypc.c
+5 -7
View File
@@ -37,12 +37,10 @@
int
dwarf_entrypc (Dwarf_Die *die, Dwarf_Addr *return_addr)
{
Dwarf_Attribute attr_mem;
return INTUSE(dwarf_formaddr) (INTUSE(dwarf_attr) (die, DW_AT_entry_pc,
&attr_mem)
?: INTUSE(dwarf_attr) (die, DW_AT_low_pc,
&attr_mem),
return_addr);
Dwarf_Attribute attr_mem, *attr;
if ((attr = INTUSE(dwarf_attr) (die, DW_AT_entry_pc, &attr_mem)) != NULL)
return INTUSE(dwarf_formaddr) (attr, return_addr);
else
return INTUSE(dwarf_lowpc) (die, return_addr);
}
INTDEF(dwarf_entrypc)
libdw/dwarf_formstring.c
+4 -1
View File
@@ -61,6 +61,9 @@ dwarf_formstring (Dwarf_Attribute *attrp)
Elf_Data *data = ((attrp->form == DW_FORM_line_strp)
? dbg_ret->sectiondata[IDX_debug_line_str]
: dbg_ret->sectiondata[IDX_debug_str]);
size_t data_size = ((attrp->form == DW_FORM_line_strp)
? dbg_ret->string_section_size[STR_SCN_IDX_debug_line_str]
: dbg_ret->string_section_size[STR_SCN_IDX_debug_str]);
if (data == NULL)
{
__libdw_seterrno ((attrp->form == DW_FORM_line_strp)
@@ -171,7 +174,7 @@ dwarf_formstring (Dwarf_Attribute *attrp)
else
off = read_8ubyte_unaligned (dbg, datap);
if (off > dbg->sectiondata[IDX_debug_str]->d_size)
if (off >= data_size)
goto invalid_offset;
}
libdw/dwarf_frame_register.c
+5
View File
@@ -100,6 +100,11 @@ dwarf_frame_register (Dwarf_Frame *fs, int regno, Dwarf_Op ops_mem[3],
const uint8_t *p = fs->cache->data->d.d_buf + reg->value;
const uint8_t *end = (fs->cache->data->d.d_buf
+ fs->cache->data->d.d_size);
if (p >= end)
{
__libdw_seterrno (DWARF_E_INVALID_DWARF);
return -1;
}
get_uleb128 (block.length, p, end);
block.data = (void *) p;
libdw/dwarf_getabbrev.c
+1
View File
@@ -77,6 +77,7 @@ __libdw_getabbrev (Dwarf *dbg, struct Dwarf_CU *cu, Dwarf_Off offset,
+ dbg->sectiondata[IDX_debug_abbrev]->d_size);
const unsigned char *start_abbrevp = abbrevp;
unsigned int code;
// We start off with abbrevp at offset, which is checked above.
get_uleb128 (code, abbrevp, end);
/* Check whether this code is already in the hash table. */
libdw/dwarf_getaranges.c
+15 -2
View File
@@ -1,5 +1,6 @@
/* Return list address ranges.
Copyright (C) 2000-2010, 2016, 2017 Red Hat, Inc.
Copyright (C) 2023 Mark J. Wielaard <mark@klomp.org>
This file is part of elfutils.
Written by Ulrich Drepper <drepper@redhat.com>, 2000.
@@ -124,6 +125,10 @@ dwarf_getaranges (Dwarf *dbg, Dwarf_Aranges **aranges, size_t *naranges)
&& length <= DWARF3_LENGTH_MAX_ESCAPE_CODE))
goto invalid;
const unsigned char *endp = readp + length;
if (unlikely (endp > readendp))
goto invalid;
if (unlikely (readp + 2 > readendp))
goto invalid;
@@ -182,9 +187,17 @@ dwarf_getaranges (Dwarf *dbg, Dwarf_Aranges **aranges, size_t *naranges)
else
range_length = read_8ubyte_unaligned_inc (dbg, readp);
/* Two zero values mark the end. */
/* Two zero values mark the end. But in some cases (bugs)
there might be such entries in the middle of the table.
Ignore and continue, we'll check the actual length of
the table to see if we are really at the end. */
if (range_address == 0 && range_length == 0)
break;
{
if (readp >= endp)
break;
else
continue;
}
/* We don't use alloca for these temporary structures because
the total number of them can be quite large. */
libdw/dwarf_getlocation.c
+1
View File
@@ -396,6 +396,7 @@ __libdw_intern_expression (Dwarf *dbg, bool other_byte_order,
case DW_OP_form_tls_address:
case DW_OP_GNU_push_tls_address:
case DW_OP_stack_value:
case DW_OP_GNU_uninit:
/* No operand. */
break;
libdw/dwarf_getmacros.c
+23 -5
View File
@@ -124,17 +124,24 @@ get_macinfo_table (Dwarf *dbg, Dwarf_Word macoff, Dwarf_Die *cudie)
= INTUSE(dwarf_attr) (cudie, DW_AT_stmt_list, &attr_mem);
Dwarf_Off line_offset = (Dwarf_Off) -1;
if (attr != NULL)
if (unlikely (INTUSE(dwarf_formudata) (attr, &line_offset) != 0))
return NULL;
{
if (unlikely (INTUSE(dwarf_formudata) (attr, &line_offset) != 0))
return NULL;
}
else if (cudie->cu->unit_type == DW_UT_split_compile
&& dbg->sectiondata[IDX_debug_line] != NULL)
line_offset = 0;
Dwarf_Macro_Op_Table *table = libdw_alloc (dbg, Dwarf_Macro_Op_Table,
macinfo_data_size, 1);
memcpy (table, macinfo_data, macinfo_data_size);
table->dbg = dbg;
table->offset = macoff;
table->sec_index = IDX_debug_macinfo;
table->line_offset = line_offset;
table->is_64bit = cudie->cu->address_size == 8;
table->address_size = cudie->cu->address_size;
table->offset_size = cudie->cu->offset_size;
table->comp_dir = __libdw_getcompdir (cudie);
return table;
@@ -182,6 +189,15 @@ get_table_for_offset (Dwarf *dbg, Dwarf_Word macoff,
return NULL;
}
uint8_t address_size;
if (cudie != NULL)
address_size = cudie->cu->address_size;
else
{
char *ident = elf_getident (dbg->elf, NULL);
address_size = ident[EI_CLASS] == ELFCLASS32 ? 4 : 8;
}
/* """The macinfo entry types defined in this standard may, but
might not, be described in the table""".
@@ -253,12 +269,14 @@ get_table_for_offset (Dwarf *dbg, Dwarf_Word macoff,
macop_table_size, 1);
*table = (Dwarf_Macro_Op_Table) {
.dbg = dbg,
.offset = macoff,
.sec_index = IDX_debug_macro,
.line_offset = line_offset,
.header_len = readp - startp,
.version = version,
.is_64bit = is_64bit,
.address_size = address_size,
.offset_size = is_64bit ? 8 : 4,
/* NULL if CUDIE is NULL or DW_AT_comp_dir is absent. */
.comp_dir = __libdw_getcompdir (cudie),
@@ -368,7 +386,7 @@ read_macros (Dwarf *dbg, int sec_index,
.dbg = dbg,
.sec_idx = sec_index,
.version = table->version,
.offset_size = table->is_64bit ? 8 : 4,
.offset_size = table->offset_size,
.str_off_base = str_offsets_base_off (dbg, (cudie != NULL
? cudie->cu: NULL)),
.startp = (void *) startp + offset,
libdw/dwarf_getscopes.c
+13 -9
View File
@@ -1,5 +1,6 @@
/* Return scope DIEs containing PC address.
Copyright (C) 2005, 2007, 2015 Red Hat, Inc.
Copyright (C) 2023 Mark J. Wielaard <mark@klomp.org>
This file is part of elfutils.
This file is free software; you can redistribute it and/or modify
@@ -100,7 +101,7 @@ origin_match (unsigned int depth, struct Dwarf_Die_Chain *die, void *arg)
Dwarf_Die *scopes = realloc (a->scopes, nscopes * sizeof scopes[0]);
if (scopes == NULL)
{
free (a->scopes);
/* a->scopes will be freed by dwarf_getscopes on error. */
__libdw_seterrno (DWARF_E_NOMEM);
return -1;
}
@@ -173,12 +174,8 @@ pc_record (unsigned int depth, struct Dwarf_Die_Chain *die, void *arg)
/* Not there yet. */
return 0;
/* Now we are in a scope that contains the concrete inlined instance.
Search it for the inline function's abstract definition.
If we don't find it, return to search the containing scope.
If we do find it, the nonzero return value will bail us out
of the postorder traversal. */
return __libdw_visit_scopes (depth, die, NULL, &origin_match, NULL, a);
/* This is the innermost inline scope, we are done here. */
return a->nscopes;
}
@@ -193,11 +190,18 @@ dwarf_getscopes (Dwarf_Die *cudie, Dwarf_Addr pc, Dwarf_Die **scopes)
int result = __libdw_visit_scopes (0, &cu, NULL, &pc_match, &pc_record, &a);
if (result == 0 && a.scopes != NULL)
result = __libdw_visit_scopes (0, &cu, NULL, &origin_match, NULL, &a);
if (result >= 0 && a.scopes != NULL && a.inlined > 0)
{
/* We like the find the inline function's abstract definition
scope, but that might be in a different CU. */
cu.die = CUDIE (a.inlined_origin.cu);
result = __libdw_visit_scopes (0, &cu, NULL, &origin_match, NULL, &a);
}
if (result > 0)
*scopes = a.scopes;
else if (result < 0)
free (a.scopes);
return result;
}
libdw/dwarf_getsrclines.c
+9 -1
View File
@@ -129,6 +129,12 @@ add_new_line (struct line_state *state, struct linelist *new_line)
return true; \
} while (0)
/* Same as above, but don't flag as "invalid" just use truncated
value. Used for discriminator for which llvm might use a value
that won't fit 24 bits. */
#define SETX(field) \
new_line->line.field = state->field; \
SET (addr);
SET (op_index);
SET (file);
@@ -140,7 +146,7 @@ add_new_line (struct line_state *state, struct linelist *new_line)
SET (prologue_end);
SET (epilogue_begin);
SET (isa);
SET (discriminator);
SETX (discriminator);
SET (context);
SET (function_name);
@@ -572,6 +578,8 @@ read_srclines (Dwarf *dbg,
goto invalid_data;
size_t nfiles;
if ((size_t) (lineendp - linep) < 1)
goto invalid_data;
get_uleb128 (nfiles, linep, lineendp);
if (nforms == 0 && nfiles != 0)

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