diff options
Diffstat (limited to 'arch/or1k/pthread_arch.h')
-rw-r--r-- | arch/or1k/pthread_arch.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/or1k/pthread_arch.h b/arch/or1k/pthread_arch.h new file mode 100644 index 00000000..e826997e --- /dev/null +++ b/arch/or1k/pthread_arch.h @@ -0,0 +1,17 @@ +/* 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 |