| 34,50 → 34,17 |
|---|
| * |
| */ |
| |
| #include <thread.h> |
| #include <malloc.h> |
| #include <align.h> |
| #include <tls.h> |
| #include <sys/types.h> |
| |
| /* |
| * sparc64 uses thread-local storage data structures, variant II, as described |
| * in: |
| * Drepper U.: ELF Handling For Thread-Local Storage, 2005 |
| */ |
| |
| /** Allocate TLS variant II data structures for a thread. |
| * |
| * Only static model is supported. |
| * |
| * @param data Pointer to pointer to thread local data. This is actually an |
| * output argument. |
| * @param size Size of thread local data. |
| * @return Pointer to TCB structure. |
| */ |
| tcb_t * __alloc_tls(void **data, size_t size) |
| { |
| tcb_t *tcb; |
| |
| size = ALIGN_UP(size, &_tls_alignment); |
| *data = memalign(&_tls_alignment, sizeof(tcb_t) + size); |
| |
| tcb = (tcb_t *) (*data + size); |
| tcb->self = tcb; |
| |
| return tcb; |
| return tls_alloc_variant_2(data, size); |
| } |
| |
| /** Free TLS variant II data structures of a thread. |
| * |
| * Only static model is supported. |
| * |
| * @param tcb Pointer to TCB structure. |
| * @param size Size of thread local data. |
| */ |
| void __free_tls_arch(tcb_t *tcb, size_t size) |
| { |
| size = ALIGN_UP(size, &_tls_alignment); |
| void *start = ((void *) tcb) - size; |
| free(start); |
| tls_free_variant_2(tcb, size); |
| } |
| |
| /** @} |