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| author | Sachin Monga <smonga@linux.ibm.com> | 2024-12-09 16:47:40 -0500 |
|---|---|---|
| committer | Peter Bergner <bergner@linux.ibm.com> | 2024-12-09 16:49:54 -0500 |
| commit | be13e467641cda4bd147ef3ef3afe9e4c6a35e1d (patch) | |
| tree | fae84951f8050b152386818ed2c69c6040ceb6b3 /sysdeps/powerpc | |
| parent | 9e08698e4caec73a83be1bf22074b58b59c2cb18 (diff) | |
| download | glibc-be13e467641cda4bd147ef3ef3afe9e4c6a35e1d.tar.xz glibc-be13e467641cda4bd147ef3ef3afe9e4c6a35e1d.zip | |
powerpc64le: ROP changes for the *context and setjmp functions
Add ROP protection for the getcontext, setcontext, makecontext, swapcontext
and __sigsetjmp_symbol functions.
Reviewed-by: Peter Bergner <bergner@linux.ibm.com>
Diffstat (limited to 'sysdeps/powerpc')
| -rw-r--r-- | sysdeps/powerpc/powerpc64/setjmp-common.S | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc64/setjmp-common.S b/sysdeps/powerpc/powerpc64/setjmp-common.S index d677741a81..920621beb7 100644 --- a/sysdeps/powerpc/powerpc64/setjmp-common.S +++ b/sysdeps/powerpc/powerpc64/setjmp-common.S @@ -224,6 +224,9 @@ L(no_vmx): #else mflr r0 std r0,FRAME_LR_SAVE(r1) +#ifdef __ROP_PROTECT__ + hashst r0,FRAME_ROP_SAVE(r1) +#endif stdu r1,-FRAME_MIN_SIZE(r1) cfi_adjust_cfa_offset(FRAME_MIN_SIZE) cfi_offset(lr,FRAME_LR_SAVE) @@ -232,6 +235,9 @@ L(no_vmx): ld r0,FRAME_MIN_SIZE+FRAME_LR_SAVE(r1) addi r1,r1,FRAME_MIN_SIZE mtlr r0 +#ifdef __ROP_PROTECT__ + hashchk r0,FRAME_ROP_SAVE(r1) +#endif blr #endif END (__sigsetjmp_symbol) |