diff options
| author | Joakim Tjernlund <joakim.tjernlund@transmode.se> | 2005-02-10 23:38:14 +0000 |
|---|---|---|
| committer | Joakim Tjernlund <joakim.tjernlund@transmode.se> | 2005-02-10 23:38:14 +0000 |
| commit | d04b4584610ec595d3913bc61ecb49b1f1914051 (patch) | |
| tree | 2cdbaa80955f952b6a84a08a9b47a559139bbab1 /libpthread/linuxthreads | |
| parent | c5fc73d43f6451cd700eb500ac5d3aea7b2e53a0 (diff) | |
Add THREAD_SELF definition to PPC. This should make threads on PPC
a bit faster.
Diffstat (limited to 'libpthread/linuxthreads')
| -rw-r--r-- | libpthread/linuxthreads/sysdeps/powerpc/pt-machine.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/libpthread/linuxthreads/sysdeps/powerpc/pt-machine.h b/libpthread/linuxthreads/sysdeps/powerpc/pt-machine.h index 19b77b7e6..9e6543a26 100644 --- a/libpthread/linuxthreads/sysdeps/powerpc/pt-machine.h +++ b/libpthread/linuxthreads/sysdeps/powerpc/pt-machine.h @@ -41,6 +41,16 @@ extern int __compare_and_swap (long int *p, long int oldval, long int newval); #define CURRENT_STACK_FRAME stack_pointer register char * stack_pointer __asm__ ("r1"); +/* Register r2 (tp) is reserved by the ABI as "thread pointer". */ +struct _pthread_descr_struct; +register struct _pthread_descr_struct *__thread_self __asm__("r2"); + +/* Return the thread descriptor for the current thread. */ +#define THREAD_SELF __thread_self + +/* Initialize the thread-unique value. */ +#define INIT_THREAD_SELF(descr, nr) (__thread_self = (descr)) + /* Compare-and-swap for semaphores. */ /* note that test-and-set(x) is the same as !compare-and-swap(x, 0, 1) */ |