diff options
Diffstat (limited to 'arch/arm/pthread_arch.h')
| -rw-r--r-- | arch/arm/pthread_arch.h | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/arch/arm/pthread_arch.h b/arch/arm/pthread_arch.h index 8b8a7fb6..197752ef 100644 --- a/arch/arm/pthread_arch.h +++ b/arch/arm/pthread_arch.h @@ -10,15 +10,17 @@ static inline pthread_t __pthread_self() #else -static inline pthread_t __pthread_self() -{ -#ifdef __clang__ - char *p; - __asm__ __volatile__ ( "bl __a_gettp\n\tmov %0,r0" : "=r"(p) : : "cc", "r0", "lr" ); +#if __ARM_ARCH_4__ || __ARM_ARCH_4T__ || __ARM_ARCH == 4 +#define BLX "mov lr,pc\n\tbx" #else - register char *p __asm__("r0"); - __asm__ __volatile__ ( "bl __a_gettp" : "=r"(p) : : "cc", "lr" ); +#define BLX "blx" #endif + +static inline pthread_t __pthread_self() +{ + extern uintptr_t __attribute__((__visibility__("hidden"))) __a_gettp_ptr; + register uintptr_t p __asm__("r0"); + __asm__ __volatile__ ( BLX " %1" : "=r"(p) : "r"(__a_gettp_ptr) : "cc", "lr" ); return (void *)(p+8-sizeof(struct pthread)); } |