musl/arch/or1k/pthread_arch.h

18 lines
465 B
C

/* or1k use variant I, but with the twist that tp points to the end of TCB */
static inline struct pthread *__pthread_self()
{
#ifdef __clang__
char *tp;
__asm__ __volatile__ ("l.ori %0, r10, 0" : "=r" (tp) );
#else
register char *tp __asm__("r10");
#endif
return (struct pthread *) (tp - sizeof(struct pthread));
}
#define TLS_ABOVE_TP
#define TP_ADJ(p) ((char *)(p) + sizeof(struct pthread))
/* word-offset to 'pc' in mcontext_t */
#define CANCEL_REG_IP 32