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| author | H.J. Lu <hjl.tools@gmail.com> | 2018-07-18 08:02:15 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2018-07-18 08:02:26 -0700 |
| commit | f1574581c7431579952b4d9f2c4f57bb157b1637 (patch) | |
| tree | 888cbb6e04356a8569bb735e7ba3635e7b594ce0 | |
| parent | 7fb613361cc4ca4bd929e89462ed99a3159232d6 (diff) | |
| download | glibc-f1574581c7431579952b4d9f2c4f57bb157b1637.tar.gz glibc-f1574581c7431579952b4d9f2c4f57bb157b1637.tar.xz glibc-f1574581c7431579952b4d9f2c4f57bb157b1637.zip | |
i386: Use _CET_NOTRACK in strcpy-sse2.S
* sysdeps/i386/i686/multiarch/strcpy-sse2.S (BRANCH_TO_JMPTBL_ENTRY): Add _CET_NOTRACK before indirect jump to jump table.
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | sysdeps/i386/i686/multiarch/strcpy-sse2.S | 4 |
2 files changed, 8 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog index 322f484eda..5ad290907a 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,11 @@ 2018-07-18 H.J. Lu <hongjiu.lu@intel.com> + * sysdeps/i386/i686/multiarch/strcpy-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> + * sysdeps/i386/i686/multiarch/memcpy-ssse3.S (BRANCH_TO_JMPTBL_ENTRY): Add _CET_NOTRACK before indirect jump to jump table. diff --git a/sysdeps/i386/i686/multiarch/strcpy-sse2.S b/sysdeps/i386/i686/multiarch/strcpy-sse2.S index 64bdb91df4..3fc27d93d4 100644 --- a/sysdeps/i386/i686/multiarch/strcpy-sse2.S +++ b/sysdeps/i386/i686/multiarch/strcpy-sse2.S @@ -65,7 +65,7 @@ absolute address. */ \ addl (%ecx,INDEX,SCALE), %ecx; \ /* We loaded the jump table and adjusted ECX. Go. */ \ - jmp *%ecx + _CET_NOTRACK jmp *%ecx # else # define JMPTBL(I, B) I @@ -74,7 +74,7 @@ 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 .text |