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glibc/sysdeps
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Igor Zamyatin a4c75cfd56 Save/restore bound registers in _dl_runtime_resolve 
This patch saves and restores bound registers in symbol lookup for x86-64:

1. Branches without BND prefix clear bound registers.
2. x86-64 pass bounds in bound registers as specified in MPX psABI
extension on hjl/mpx/master branch at

https://github.com/hjl-tools/x86-64-psABI
https://groups.google.com/forum/#!topic/x86-64-abi/KFsB0XTgWYc

Binutils has been updated to create an alternate PLT to add BND prefix
when branching to ld.so.

	* config.h.in (HAVE_MPX_SUPPORT): New #undef.
	* sysdeps/x86_64/configure.ac: Set HAVE_MPX_SUPPORT.
	* sysdeps/x86_64/configure: Regenerated.
	* sysdeps/x86_64/dl-trampoline.S (REGISTER_SAVE_AREA): New
	macro.
	(REGISTER_SAVE_RAX): Likewise.
	(REGISTER_SAVE_RCX): Likewise.
	(REGISTER_SAVE_RDX): Likewise.
	(REGISTER_SAVE_RSI): Likewise.
	(REGISTER_SAVE_RDI): Likewise.
	(REGISTER_SAVE_R8): Likewise.
	(REGISTER_SAVE_R9): Likewise.
	(REGISTER_SAVE_BND0): Likewise.
	(REGISTER_SAVE_BND1): Likewise.
	(REGISTER_SAVE_BND2): Likewise.
	(_dl_runtime_resolve): Use them.  Save and restore Intel MPX
	bound registers when calling _dl_fixup.
2014-04-09 15:38:09 -07:00
..
aarch64 Factor mmap/munmap of PT_LOAD segments out of _dl_map_object_from_fd et al. 2014-04-03 10:47:14 -07:00
alpha Compile with -Wundef. 2014-03-14 11:32:51 -07:00
arm Factor mmap/munmap of PT_LOAD segments out of _dl_map_object_from_fd et al. 2014-04-03 10:47:14 -07:00
generic Factor mmap/munmap of PT_LOAD segments out of _dl_map_object_from_fd et al. 2014-04-03 10:47:14 -07:00
gnu Combine __USE_BSD and __USE_SVID into __USE_MISC. 2014-02-12 23:41:01 +00:00
i386 Factor mmap/munmap of PT_LOAD segments out of _dl_map_object_from_fd et al. 2014-04-03 10:47:14 -07:00
ia64 Compile with -Wundef. 2014-03-14 11:32:51 -07:00
ieee754 Fix catan, catanh, __ieee754_logf in round-downward mode (bug 16799, bug 16800). 2014-04-02 17:41:02 +00:00
init_array Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
m68k Compile with -Wundef. 2014-03-14 11:32:51 -07:00
mach Compile with -Wundef. 2014-03-14 11:32:51 -07:00
microblaze Compile with -Wundef. 2014-03-14 11:32:51 -07:00
mips Fix -Wundef warnings for _ABI* on MIPS. 2014-03-21 18:21:13 +00:00
posix Use statvfs64() for pathconf(_PC_NAME_MAX). 2014-04-09 20:09:56 +02:00
powerpc PowerPC: Fix --disable-multi-arch builds 2014-04-09 06:22:53 -05:00
pthread Use glibc_likely instead __builtin_expect. 2014-02-10 15:07:12 +01:00
s390 S390: Define SIZE_MAX as unsigned long (BZ #16712). 2014-03-24 16:59:01 +01:00
sh Don't include individual test ulps in libm-test-ulps. 2014-03-05 15:02:38 +00:00
sparc Don't include individual test ulps in libm-test-ulps. 2014-03-05 15:02:38 +00:00
tile tile: Fix cut-and-paste bug in commit fcccd5128. 2014-04-04 15:03:47 -04:00
unix Move __PTHREAD_SPINS definition to architecture specific header 2014-04-09 06:41:44 -05:00
wordsize-32 Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
wordsize-64 Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
x86 Fix -Wundef warnins for __FP_FAST_FMA* 2014-03-21 17:28:43 +05:30
x86_64 Save/restore bound registers in _dl_runtime_resolve 2014-04-09 15:38:09 -07:00