From: H.J. Lu Date: Wed, 18 Jul 2018 14:58:53 +0000 (-0700) Subject: i386: Use _CET_NOTRACK in memcmp-sse4.S X-Git-Tag: glibc-2.28~80 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=177824e232;p=thirdparty%2Fglibc.git i386: Use _CET_NOTRACK in memcmp-sse4.S * sysdeps/i386/i686/multiarch/memcmp-sse4.S (BRANCH_TO_JMPTBL_ENTRY): Add _CET_NOTRACK before indirect jump to jump table. --- diff --git a/ChangeLog b/ChangeLog index b466774bd77..5c2dd10248a 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +2018-07-18 H.J. Lu + + * sysdeps/i386/i686/multiarch/memcmp-sse4.S + (BRANCH_TO_JMPTBL_ENTRY): Add _CET_NOTRACK before indirect jump + to jump table. + 2018-07-18 H.J. Lu * sysdeps/i386/i686/multiarch/memset-sse2.S diff --git a/sysdeps/i386/i686/multiarch/memcmp-sse4.S b/sysdeps/i386/i686/multiarch/memcmp-sse4.S index be371089871..bc2cb2729d3 100644 --- a/sysdeps/i386/i686/multiarch/memcmp-sse4.S +++ b/sysdeps/i386/i686/multiarch/memcmp-sse4.S @@ -59,7 +59,7 @@ absolute address. */ \ addl (%ebx,INDEX,SCALE), %ebx; \ /* We loaded the jump table and adjusted EDX/ESI. Go. */ \ - jmp *%ebx + _CET_NOTRACK jmp *%ebx # else # define JMPTBL(I, B) I @@ -67,7 +67,7 @@ jump table with relative offsets. INDEX is a register contains the index into the jump table. SCALE is the scale of INDEX. */ # define BRANCH_TO_JMPTBL_ENTRY(TABLE, INDEX, SCALE) \ - jmp *TABLE(,INDEX,SCALE) + _CET_NOTRACK jmp *TABLE(,INDEX,SCALE) # endif