diff options
Diffstat (limited to 'linuxthreads/sysdeps/s390/s390-32/pt-machine.h')
| -rw-r--r-- | linuxthreads/sysdeps/s390/s390-32/pt-machine.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/linuxthreads/sysdeps/s390/s390-32/pt-machine.h b/linuxthreads/sysdeps/s390/s390-32/pt-machine.h index 18b5919544..ee35320059 100644 --- a/linuxthreads/sysdeps/s390/s390-32/pt-machine.h +++ b/linuxthreads/sysdeps/s390/s390-32/pt-machine.h @@ -58,6 +58,13 @@ testandset (int *spinlock) #define CURRENT_STACK_FRAME stack_pointer register char * stack_pointer __asm__ ("15"); +#ifdef USE_TLS +/* Return the thread descriptor for the current thread. */ +# define THREAD_SELF ((pthread_descr) __builtin_thread_pointer ()) + +/* Initialize the thread-unique value. */ +#define INIT_THREAD_SELF(descr, nr) __builtin_set_thread_pointer (descr) +#else /* Return the thread descriptor for the current thread. S/390 registers uses access register 0 as "thread register". */ #define THREAD_SELF ({ \ @@ -70,6 +77,7 @@ register char * stack_pointer __asm__ ("15"); #define INIT_THREAD_SELF(descr, nr) ({ \ __asm__ ("sar %%a0,%0" : : "d" (descr) ); \ }) +#endif /* Access to data in the thread descriptor is easy. */ #define THREAD_GETMEM(descr, member) THREAD_SELF->member |