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i386: Use _CET_NOTRACK in memset-sse2.S

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* sysdeps/i386/i686/multiarch/memset-sse2.S
	(BRANCH_TO_JMPTBL_ENTRY): Add _CET_NOTRACK before indirect jump
	to jump table.
This commit is contained in:
H.J. Lu 2018-07-18 07:57:50 -07:00
parent 7e119cd582
commit 00e7b76a8f
2 changed files with 8 additions and 2 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2018-07-18 H.J. Lu <hongjiu.lu@intel.com>
* sysdeps/i386/i686/multiarch/memset-sse2.S
(BRANCH_TO_JMPTBL_ENTRY): Add _CET_NOTRACK before indirect jump
to jump table.
2018-07-18 H.J. Lu <hongjiu.lu@intel.com> 2018-07-18 H.J. Lu <hongjiu.lu@intel.com>
* sysdeps/i386/i686/memcmp.S (memcmp): Add _CET_NOTRACK before * sysdeps/i386/i686/memcmp.S (memcmp): Add _CET_NOTRACK before

4
sysdeps/i386/i686/multiarch/memset-sse2.S
View File

@ -63,7 +63,7 @@
add (%ebx,%ecx,4), %ebx; \ add (%ebx,%ecx,4), %ebx; \
add %ecx, %edx; \ add %ecx, %edx; \
/* We loaded the jump table and adjusted EDX. Go. */ \ /* We loaded the jump table and adjusted EDX. Go. */ \
jmp *%ebx _CET_NOTRACK jmp *%ebx
#else #else
# define ENTRANCE # define ENTRANCE
# define RETURN_END ret # define RETURN_END ret
@ -75,7 +75,7 @@
absolute offsets. */ absolute offsets. */
# define BRANCH_TO_JMPTBL_ENTRY(TABLE) \ # define BRANCH_TO_JMPTBL_ENTRY(TABLE) \
add %ecx, %edx; \ add %ecx, %edx; \
jmp *TABLE(,%ecx,4) _CET_NOTRACK jmp *TABLE(,%ecx,4)
#endif #endif
.section .text.sse2,"ax",@progbits .section .text.sse2,"ax",@progbits