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Pedro Alves f1b5deee16 Add test that exercises all bfd architecture, osabi, endian, etc. combinations
This adds a test that exposes several problems fixed by earlier
patches:

#1 - Buffer overrun when host/target formats match, but sizes don't.
     https://sourceware.org/ml/gdb-patches/2016-03/msg00125.html

#2 - Missing handling for FR-V FR300.
     https://sourceware.org/ml/gdb-patches/2016-03/msg00117.html

#3 - BFD architectures with spaces in their names (v850).
     https://sourceware.org/ml/binutils/2016-03/msg00108.html

#4 - The OS ABI names with spaces issue.
     https://sourceware.org/ml/gdb-patches/2016-03/msg00116.html

#5 - Bogus HP/PA long double format.
     https://sourceware.org/ml/gdb-patches/2016-03/msg00122.html

#6 - Cris big endian internal error.
     https://sourceware.org/ml/gdb-patches/2016-03/msg00126.html

#7 - Several PowerPC bfd archs/machines not handled by gdb.
     https://sourceware.org/bugzilla/show_bug.cgi?id=19797

And hopefully helps catch others in the future.

This started out as a test that simply did,

 gdb -ex "print 1.0L"

to exercise #1 above.

Then to cover both 32-bit target / 64-bit host and the converse, I
thought of having the testcase print the floats twice, once with the
architecture set to "i386" and then to "i386:x86-64".  This way it
wouldn't matter whether gdb was built as 32-bit or a 64-bit program.

Then I thought that other archs might have similar host/target
floatformat conversion issues as well.  Instead of hardcoding some
architectures in the test file, I thought we could just iterate over
all bfd architectures and OS ABIs supported by the gdb build being
tested.  This is what then exposed all the other problems listed
above...

With an --enable-targets=all, this exercises over 14 thousand
combinations.  If left in a single test file, it all consistenly runs
in under a minute on my machine (An Intel i7-4810MQ @ 2.8 MHZ running
Fedora 23).  Split in 8 chunks, as in this commit, it runs in around
25 seconds, with make -j8.

To avoid flooding the gdb.sum file, it avoids calling "pass" on each
tested combination/iteration.  I'm explicitly not implementing that by
passing an empty message to gdb_test / gdb_test_multiple, because I
still want a FAIL to be logged in gdb.sum.  So instead this puts the
internal passes in the gdb.log file, only, prefixed "IPASS:", for
internal pass.  TBC, if some iteration fails, it'll still show up as
FAIL in gdb.sum.  If this is an approach that takes on, I can see us
extending the common bits to support it for all testcases.

gdb/testsuite/ChangeLog:
2016-12-09  Pedro Alves  <palves@redhat.com>

	* gdb.base/all-architectures-0.exp: New file.
	* gdb.base/all-architectures-1.exp: New file.
	* gdb.base/all-architectures-2.exp: New file.
	* gdb.base/all-architectures-3.exp: New file.
	* gdb.base/all-architectures-4.exp: New file.
	* gdb.base/all-architectures-5.exp: New file.
	* gdb.base/all-architectures-6.exp: New file.
	* gdb.base/all-architectures-7.exp: New file.
	* gdb.base/all-architectures.exp.in: New file.
2016-12-09 14:59:09 +00:00
bfd Automatic date update in version.in 2016-12-09 00:00:25 +00:00
binutils MIPS16/opcodes: Fix PC-relative operation delay-slot adjustment 2016-12-08 23:30:57 +00:00
config sync binutils config/ with gcc 2016-12-08 21:35:11 +10:30
cpu Add fall through comment to source in cpu/ 2016-10-06 22:48:37 +10:30
elfcpp Add support for MIPS .rld_map section. 2016-06-20 12:16:26 -07:00
etc Fix compile time warning messages building with gcc v6.1.1 2016-06-13 10:49:26 +01:00
gas ARC/GAS: Correct a `spaces' global shadowing error 2016-12-08 23:24:05 +00:00
gdb Add test that exercises all bfd architecture, osabi, endian, etc. combinations 2016-12-09 14:59:09 +00:00
gold [GOLD] Don't assert in powerpc stub_table 2016-12-08 22:18:47 +10:30
gprof Fix spelling in comments in C source files (gprof) 2016-11-27 15:04:01 +10:30
include MIPS/include: opcode/mips.h: Correct INSN_CHIP_MASK 2016-12-07 12:31:38 +00:00
intl Regen intl/configure 2015-08-31 12:53:36 +09:30
ld sync binutils config/ with gcc 2016-12-08 21:35:11 +10:30
libdecnumber Remove leading/trailing white spaces in ChangeLog 2015-07-24 04:16:47 -07:00
libiberty sync binutils config/ with gcc 2016-12-08 21:35:11 +10:30
opcodes MIPS16/opcodes: Fix off-by-one indentation in `print_mips16_insn_arg' 2016-12-08 23:32:29 +00:00
readline Improve MinGW support in Readline 2016-09-17 11:50:37 +03:00
sim Fix bugs with tbnz/tbz instructions. 2016-12-03 17:29:44 -08:00
texinfo * texinfo/texinfo.tex: Update to version 2009-03-28.05. 2009-04-21 12:36:46 +00:00
zlib sync binutils config/ with gcc 2016-12-08 21:35:11 +10:30
.cvsignore
.gitattributes Add a .gitattributes file for use with git-merge-changelog 2014-07-25 18:07:23 -04:00
.gitignore Add archives and make stamps to the .gitignore file. 2016-09-27 15:10:42 +01:00
ChangeLog sync binutils config/ with gcc 2016-12-08 21:35:11 +10:30
compile Update from upstream Automake 2014-11-16 13:43:48 +01:00
config-ml.in Sync toplevel files with GCC 2015-07-27 07:49:05 -07:00
config.guess Sync config.sub,config.guess with upstream. 2016-11-07 13:08:55 -08:00
config.rpath Remove freebsd1 from libtool.m4 macros and config.rpath. 2011-02-13 21:00:14 +00:00
config.sub Sync config.sub,config.guess with upstream. 2016-11-07 13:08:55 -08:00
configure sync binutils config/ with gcc 2016-12-08 21:35:11 +10:30
configure.ac Add support for Fushia OS. 2016-12-02 10:44:29 +00:00
COPYING
COPYING3
COPYING3.LIB
COPYING.LIB
COPYING.LIBGLOSS 2013-01-07 Jeff Johnston <jjohnstn@redhat.com> 2013-01-07 21:39:26 +00:00
COPYING.NEWLIB 2013-10-01 Jeff Johnston <jjohnstn@redhat.com> 2013-10-01 18:14:04 +00:00
depcomp Update from upstream Automake 2014-11-16 13:43:48 +01:00
djunpack.bat
install-sh Update from upstream Automake 2014-11-16 13:43:48 +01:00
libtool.m4 Sync top-level btool.m4 with GCC 2016-01-12 08:44:52 -08:00
lt~obsolete.m4 Sync Libtool from GCC. 2010-01-09 21:11:44 +00:00
ltgcc.m4
ltmain.sh PR target/59788 2014-02-06 11:01:57 +01:00
ltoptions.m4 Sync Libtool from GCC. 2010-01-09 21:11:44 +00:00
ltsugar.m4
ltversion.m4 Sync Libtool from GCC. 2010-01-09 21:11:44 +00:00
MAINTAINERS Update description of ownership of files in include/ 2014-11-04 16:14:14 -08:00
Makefile.def Sync top-level Makefile.def with GCC 2016-01-12 08:34:40 -08:00
Makefile.in Add dependencies to configure rule 2016-05-28 22:36:04 +09:30
Makefile.tpl Add dependencies to configure rule 2016-05-28 22:36:04 +09:30
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missing Update from upstream Automake 2014-11-16 13:43:48 +01:00
mkdep
mkinstalldirs Update from upstream Automake 2014-11-16 13:43:48 +01:00
move-if-change Update `move-if-change' from gnulib 2014-11-16 17:04:02 +01:00
README
README-maintainer-mode Cleanups after the update to Autoconf 2.64, Automake 1.11. 2009-08-22 17:08:11 +00:00
setup.com 2009-09-01 Tristan Gingold <gingold@adacore.com> 2009-09-01 13:38:26 +00:00
src-release.sh fix gdb version parsing in src-release.sh 2016-01-17 10:01:55 +04:00
symlink-tree
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		   README for GNU development tools

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