sysdeps/tile/stackguard-macros.h

   1 #include <bits/wordsize.h>
   2
   3 #ifdef __tilegx__
   4 # if __WORDSIZE == 64
   5 #  define STACK_CHK_GUARD \
   6   ({ uintptr_t x; asm ("addi %0, tp, -16; ld %0, %0" : "=r" (x)); x; })
   7 #  define POINTER_CHK_GUARD \
   8   ({ uintptr_t x; asm ("addi %0, tp, -24; ld %0, %0" : "=r" (x)); x; })
   9 # else
  10 #  define STACK_CHK_GUARD \
  11   ({ uintptr_t x; asm ("addi %0, tp, -8; ld4s %0, %0" : "=r" (x)); x; })
  12 #  define POINTER_CHK_GUARD \
  13   ({ uintptr_t x; asm ("addi %0, tp, -12; ld4s %0, %0" : "=r" (x)); x; })
  14 # endif
  15 #else
  16 # define STACK_CHK_GUARD \
  17   ({ uintptr_t x; asm ("addi %0, tp, -8; lw %0, %0" : "=r" (x)); x; })
  18 # define POINTER_CHK_GUARD \
  19   ({ uintptr_t x; asm ("addi %0, tp, -12; lw %0, %0" : "=r" (x)); x; })
  20 #endif