diff options
Diffstat (limited to 'sysdeps/tile/stackguard-macros.h')
| -rw-r--r-- | sysdeps/tile/stackguard-macros.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/sysdeps/tile/stackguard-macros.h b/sysdeps/tile/stackguard-macros.h new file mode 100644 index 0000000000..f2e041b99b --- /dev/null +++ b/sysdeps/tile/stackguard-macros.h @@ -0,0 +1,20 @@ +#include <bits/wordsize.h> + +#ifdef __tilegx__ +# if __WORDSIZE == 64 +# define STACK_CHK_GUARD \ + ({ uintptr_t x; asm ("addi %0, tp, -16; ld %0, %0" : "=r" (x)); x; }) +# define POINTER_CHK_GUARD \ + ({ uintptr_t x; asm ("addi %0, tp, -24; ld %0, %0" : "=r" (x)); x; }) +# else +# define STACK_CHK_GUARD \ + ({ uintptr_t x; asm ("addi %0, tp, -8; ld4s %0, %0" : "=r" (x)); x; }) +# define POINTER_CHK_GUARD \ + ({ uintptr_t x; asm ("addi %0, tp, -12; ld4s %0, %0" : "=r" (x)); x; }) +# endif +#else +# define STACK_CHK_GUARD \ + ({ uintptr_t x; asm ("addi %0, tp, -8; lw %0, %0" : "=r" (x)); x; }) +# define POINTER_CHK_GUARD \ + ({ uintptr_t x; asm ("addi %0, tp, -12; lw %0, %0" : "=r" (x)); x; }) +#endif |