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tile: support stackguard-macros.h header

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This commit is contained in:
Chris Metcalf 2012-05-11 16:11:04 -04:00
parent 3c19868059
commit 9b7108251c
3 changed files with 15 additions and 0 deletions
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ChangeLog.tile
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2012-05-12 Chris Metcalf <cmetcalf@tilera.com>
* sysdeps/tile/stackguard-macros.h: New file.
* sysdeps/tile/elf/stackguard-macros.h: New stub include file.
2012-05-12 Chris Metcalf <cmetcalf@tilera.com>
* sysdeps/tile/Makefile (ELF_MACHINE_PLTREL_OVERLAP):

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sysdeps/tile/elf/stackguard-macros.h Normal file
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/* Tests in nptl/ look for <elf/stackguard-macros.h> while tests
in elf/ look for <stackguard-macros.h>. Provide both. */
#include "../stackguard-macros.h"

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sysdeps/tile/stackguard-macros.h Normal file
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#ifdef __tilegx__
# define STACK_CHK_GUARD \
({ uintptr_t x; asm ("addi %0, tp, -16; ld %0, %0" : "=r" (x)); x; })
#else
# define STACK_CHK_GUARD \
({ uintptr_t x; asm ("addi %0, tp, -8; lw %0, %0" : "=r" (x)); x; })
#endif