diff options
Diffstat (limited to 'lib/libthr/arch/powerpc/include/pthread_md.h')
| -rw-r--r-- | lib/libthr/arch/powerpc/include/pthread_md.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/libthr/arch/powerpc/include/pthread_md.h b/lib/libthr/arch/powerpc/include/pthread_md.h index 008c4cd..1557fee 100644 --- a/lib/libthr/arch/powerpc/include/pthread_md.h +++ b/lib/libthr/arch/powerpc/include/pthread_md.h @@ -37,6 +37,7 @@ #include <sys/types.h> #define DTV_OFFSET offsetof(struct tcb, tcb_dtv) +#define TLS_TP_OFFSET 0x7000 /* * Variant I tcb. The structure layout is fixed, don't blindly @@ -50,7 +51,7 @@ struct tcb { register uint8_t *_tp __asm("%r2"); -#define _tcb ((struct tcb *)(_tp - sizeof(struct tcb))) +#define _tcb ((struct tcb *)(_tp - TLS_TP_OFFSET - sizeof(struct tcb))) struct tcb *_tcb_ctor(struct pthread *, int); void _tcb_dtor(struct tcb *); @@ -58,7 +59,10 @@ void _tcb_dtor(struct tcb *); static __inline void _tcb_set(struct tcb *tcb) { - _tp = (uint8_t *)tcb + sizeof(struct tcb); + uint8_t *tp; + + tp = (uint8_t *)tcb + TLS_TP_OFFSET + sizeof(struct tcb); + __asm __volatile("mr %0,%1" : "=r"(_tp) : "r"(tp)); } static __inline struct tcb * |
