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| author | Kaz Kylheku <kaz@kylheku.com> | 2016-04-29 19:58:08 -0700 |
|---|---|---|
| committer | Kaz Kylheku <kaz@kylheku.com> | 2016-04-29 19:58:08 -0700 |
| commit | f25455e60cb791e1dd6c3d6d4c0951579b02c15a (patch) | |
| tree | 7d4e9a6d8828496cadb11fd5ef2abb9bc8b84a11 /jmp.S | |
| parent | 07767785007f3d8d951736fb676778a6744e56b4 (diff) | |
| download | txr-f25455e60cb791e1dd6c3d6d4c0951579b02c15a.tar.gz txr-f25455e60cb791e1dd6c3d6d4c0951579b02c15a.tar.bz2 txr-f25455e60cb791e1dd6c3d6d4c0951579b02c15a.zip | |
Security: do not require executable stack.
Ever since jmp.S was added, the txr executable has been
building with a bit in the program header indicating that the
stack is to be executable.
* jmp.S: Define the .note.GNU-stack section to
tell the linker we don't need an executable stack.
Diffstat (limited to 'jmp.S')
| -rw-r--r-- | jmp.S | 12 |
1 files changed, 12 insertions, 0 deletions
@@ -55,6 +55,12 @@ NAME: ; NAME: ; #endif +#if __arm__ +#define SIGIL() % +#else +#define SIGIL() @ +#endif + #if __i386__ #define JEIP 0 @@ -238,3 +244,9 @@ DEFUN(jmp_restore) #else #error port me! #endif + +#ifndef __APPLE__ +/* This is needed so our assembly code doesn't cause + the program to require an executable stack! */ +.section .note.GNU-stack,"",SIGIL()progbits +#endif |