glibc/sysdeps/tile/stackguard-macros.h

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#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