From 8817df42650af57e8d1c4bab4c73b78375d6cfaf Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Wed, 18 Jul 2018 06:36:06 -0700 Subject: [PATCH] x86-64: Use _CET_NOTRACK in strcmp-sse42.S * sysdeps/x86_64/multiarch/strcmp-sse42.S (STRCMP_SSE42): Add _CET_NOTRACK before indirect jump to jump table. --- ChangeLog | 5 +++++ sysdeps/x86_64/multiarch/strcmp-sse42.S | 2 +- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/ChangeLog b/ChangeLog index cf1bac4fff..5b8f4d0aae 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2018-07-18 H.J. Lu + + * sysdeps/x86_64/multiarch/strcmp-sse42.S (STRCMP_SSE42): Add + _CET_NOTRACK before indirect jump to jump table. + 2018-07-18 H.J. Lu * sysdeps/x86_64/multiarch/strcpy-sse2-unaligned.S diff --git a/sysdeps/x86_64/multiarch/strcmp-sse42.S b/sysdeps/x86_64/multiarch/strcmp-sse42.S index 5a0c6668a7..d3c07bd292 100644 --- a/sysdeps/x86_64/multiarch/strcmp-sse42.S +++ b/sysdeps/x86_64/multiarch/strcmp-sse42.S @@ -275,7 +275,7 @@ LABEL(bigger): movslq (%r10, %r9,4), %r9 pcmpeqb %xmm1, D(%xmm0) /* Any null chars? */ lea (%r10, %r9), %r10 - jmp *%r10 /* jump to corresponding case */ + _CET_NOTRACK jmp *%r10 /* jump to corresponding case */ /* * The following cases will be handled by ashr_0