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| author | H.J. Lu <hjl.tools@gmail.com> | 2018-07-18 08:07:24 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2018-07-18 08:07:32 -0700 |
| commit | e2d40a8822be27ddbd512599ea1955e52f90bf87 (patch) | |
| tree | 007fd4b8b0de078f875de8b47fdad0d15021693c | |
| parent | 77a8ae0948e651a4c121a806c1eb8ab33a7d7e77 (diff) | |
| download | glibc-e2d40a8822be27ddbd512599ea1955e52f90bf87.tar.gz glibc-e2d40a8822be27ddbd512599ea1955e52f90bf87.tar.xz glibc-e2d40a8822be27ddbd512599ea1955e52f90bf87.zip | |
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
* sysdeps/x86_64/multiarch/memcmp-sse4.S (BRANCH_TO_JMPTBL_ENTRY): Add _CET_NOTRACK before indirect jump to jump table.
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | sysdeps/x86_64/multiarch/memcmp-sse4.S | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog index b594059f94..d1c5235849 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,10 @@ 2018-07-18 H.J. Lu <hongjiu.lu@intel.com> + * sysdeps/x86_64/multiarch/memcmp-sse4.S (BRANCH_TO_JMPTBL_ENTRY): + Add _CET_NOTRACK before indirect jump to jump table. + +2018-07-18 H.J. Lu <hongjiu.lu@intel.com> + * sysdeps/i386/i686/multiarch/memset-sse2-rep.S (BRANCH_TO_JMPTBL_ENTRY): Add _CET_NOTRACK before indirect jump to jump table. diff --git a/sysdeps/x86_64/multiarch/memcmp-sse4.S b/sysdeps/x86_64/multiarch/memcmp-sse4.S index 0d96d6b775..8e164f2cb6 100644 --- a/sysdeps/x86_64/multiarch/memcmp-sse4.S +++ b/sysdeps/x86_64/multiarch/memcmp-sse4.S @@ -31,7 +31,7 @@ lea TABLE(%rip), %r11; \ movslq (%r11, INDEX, SCALE), %rcx; \ add %r11, %rcx; \ - jmp *%rcx; \ + _CET_NOTRACK jmp *%rcx; \ ud2 /* Warning! |