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be9ccd27c0
glibc/sysdeps/i386
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H.J. Lu be9ccd27c0 i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S 
i386 add_n.S and sub_n.S use a trick to implment jump tables with LEA.
We can't use conditional branches nor normal jump tables since jump
table entries use EFLAGS set by jump table index.  This patch adds
_CET_ENDBR to indirect jump targets and adjust destination for
_CET_ENDBR.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>

	* sysdeps/i386/add_n.S: Include <sysdep.h>, instead of
	"sysdep.h".
	(__mpn_add_n): Save and restore %ebx if IBT is enabed.  Add
	_CET_ENDBR to indirect jump targets and adjust jump destination
	for _CET_ENDBR.
	* sysdeps/i386/i686/add_n.S: Include <sysdep.h>, instead of
	"sysdep.h".
	(__mpn_add_n): Save and restore %ebx if IBT is enabed.  Add
	_CET_ENDBR to indirect jump targets and adjust jump destination
	for _CET_ENDBR.
	* sysdeps/i386/sub_n.S: Include <sysdep.h>, instead of
	"sysdep.h".
	(__mpn_sub_n): Save and restore %ebx if IBT is enabed.  Add
	_CET_ENDBR to indirect jump targets and adjust jump destination
	for _CET_ENDBR.
2018-07-17 16:11:44 -07:00
..
fpu math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253] 2018-06-21 08:04:29 +02:00
htl hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+ 2018-04-02 16:37:36 +02:00
i586 Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
i686 i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S 2018-07-17 16:11:44 -07:00
i786
nptl x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563] 2018-07-14 05:56:46 -07:00
sys Drop fpregset unused symbol exposition 2018-04-20 01:27:13 +02:00
____longjmp_chk.S
__longjmp.S x86: Support shadow stack pointer in setjmp/longjmp 2018-07-14 05:59:53 -07:00
abort-instr.h
add_n.S i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S 2018-07-17 16:11:44 -07:00
addmul_1.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
asm-syntax.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
atomic-machine.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
backtrace.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
bcopy.S Add i386 memset and memcpy assembly functions 2015-08-27 09:04:54 -07:00
bsd-_setjmp.S x86: Support shadow stack pointer in setjmp/longjmp 2018-07-14 05:59:53 -07:00
bsd-setjmp.S x86: Support shadow stack pointer in setjmp/longjmp 2018-07-14 05:59:53 -07:00
bzero.S Add i386 memset and memcpy assembly functions 2015-08-27 09:04:54 -07:00
cacheinfo.c Move sysdeps/x86_64/cacheinfo.c to sysdeps/x86 2016-05-08 08:49:18 -07:00
configure Add --enable-static-pie configure option to build static PIE [BZ #19574] 2017-12-15 17:12:14 -08:00
configure.ac Add --enable-static-pie configure option to build static PIE [BZ #19574] 2017-12-15 17:12:14 -08:00
crti.S x86: Add _CET_ENDBR to functions in crti.S 2018-07-17 16:05:18 -07:00
crtn.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
dl-cet.c x86: Support IBT and SHSTK in Intel CET [BZ #21598] 2018-07-16 14:08:27 -07:00
dl-irel.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
dl-lookupcfg.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
dl-machine.h elf: Unify symbol address run-time calculation [BZ #19818] 2018-04-04 23:09:37 +01:00
dl-procinfo.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
dl-tls.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
dl-tlsdesc.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
dl-tlsdesc.S x86: Add _CET_ENDBR to functions in dl-tlsdesc.S 2018-07-17 16:07:17 -07:00
dl-trampoline.S x86: Support IBT and SHSTK in Intel CET [BZ #21598] 2018-07-16 14:08:27 -07:00
ffs.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
gccframe.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
gmp-mparam.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
htonl.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
htons.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
i386-mcount.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
Implies Add float128 support for x86_64, x86. 2017-06-26 22:02:24 +00:00
init-arch.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
jmpbuf-offsets.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
jmpbuf-unwind.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
ldbl2mpn.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
link-defines.sym Preserve bound registers for pointer pass/return 2015-07-09 06:50:12 -07:00
lshift.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
machine-gmon.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
Makefile math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253] 2018-06-21 08:04:29 +02:00
malloc-alignment.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
memchr.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
memcmp.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
memcopy.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
memcpy_chk.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
memcpy.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
memmove_chk.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
memmove.S Add i386 memset and memcpy assembly functions 2015-08-27 09:04:54 -07:00
mempcpy_chk.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
mempcpy.S Add i386 memset and memcpy assembly functions 2015-08-27 09:04:54 -07:00
memset_chk.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
memset.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
memusage.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
mp_clz_tab.c
mul_1.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
preconfigure Move base_machine and machine settings from configure.ac to sysdeps preconfigure fragments. 2014-06-25 17:52:56 +00:00
pthread_spin_trylock.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
rawmemchr.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
rshift.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
setfpucw.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
setjmp.S x86: Support shadow stack pointer in setjmp/longjmp 2018-07-14 05:59:53 -07:00
stackguard-macros.h BZ #15754: CVE-2013-4788 2013-09-23 00:52:09 -04:00
stackinfo.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
start.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
stpcpy.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
stpncpy.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
strcat.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
strchr.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
strchrnul.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
strcspn.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
string-inlines.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
strlen.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
strlen.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
strpbrk.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
strrchr.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
strspn.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
sub_n.S i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S 2018-07-17 16:11:44 -07:00
submul_1.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
symbol-hacks.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
sysdep.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tls-macros.h i386: Fix build by GCC 5.0 2014-12-30 11:37:41 -08:00
tlsdesc.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tlsdesc.sym
tst-audit3.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-audit3.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-audit.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-auditmod3a.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-auditmod3b.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-ld-sse-use.sh Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-stack-align.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
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