projects / apple / libpthread.git / blame
| Commit | Line | Data |
|---|---|---|
| 964d3577 A |
1 | /* |
| 2 | * Copyright (c) 2015 Apple Inc. All rights reserved. | |
| 3 | * | |
| 4 | * @APPLE_APACHE_LICENSE_HEADER_START@ | |
| 5 | * | |
| 6 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 7 | * you may not use this file except in compliance with the License. | |
| 8 | * You may obtain a copy of the License at | |
| 9 | * | |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 11 | * | |
| 12 | * Unless required by applicable law or agreed to in writing, software | |
| 13 | * distributed under the License is distributed on an "AS IS" BASIS, | |
| 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 15 | * See the License for the specific language governing permissions and | |
| 16 | * limitations under the License. | |
| 17 | * | |
| 18 | * @APPLE_APACHE_LICENSE_HEADER_END@ | |
| 19 | */ | |
| 20 | ||
| 21 | #include "resolver_internal.h" | |
| 22 | ||
| 23 | #define _OS_VARIANT_RESOLVER(s, v, ...) \ | |
| 24 | __attribute__((visibility(OS_STRINGIFY(v)))) extern void* s(void); \ | |
| 25 | void* s(void) { \ | |
| 26 | __asm__(".symbol_resolver _" OS_STRINGIFY(s)); \ | |
| 27 | __VA_ARGS__ \ | |
| 28 | } | |
| 29 | ||
| 30 | #define _OS_VARIANT_UPMP_RESOLVER(s, v) \ | |
| 31 | _OS_VARIANT_RESOLVER(s, v, \ | |
| 32 | uint32_t *_c = (void*)(uintptr_t)_COMM_PAGE_CPU_CAPABILITIES; \ | |
| 33 | if (*_c & kUP) { \ | |
| 34 | extern void OS_VARIANT(s, up)(void); \ | |
| 35 | return &OS_VARIANT(s, up); \ | |
| 36 | } else { \ | |
| 37 | extern void OS_VARIANT(s, mp)(void); \ | |
| 38 | return &OS_VARIANT(s, mp); \ | |
| 39 | }) | |
| 40 | ||
| 41 | #define OS_VARIANT_UPMP_RESOLVER(s) \ | |
| 42 | _OS_VARIANT_UPMP_RESOLVER(s, default) | |
| 43 | ||
| 44 | #define OS_VARIANT_UPMP_RESOLVER_INTERNAL(s) \ | |
| 45 | _OS_VARIANT_UPMP_RESOLVER(s, hidden) | |
| 46 | ||
| 47 | ||
| 48 | #ifdef OS_VARIANT_SELECTOR | |
| 49 | ||
| 50 | OS_VARIANT_UPMP_RESOLVER(pthread_mutex_lock) | |
| 51 | OS_VARIANT_UPMP_RESOLVER(pthread_mutex_trylock) | |
| 52 | OS_VARIANT_UPMP_RESOLVER(pthread_mutex_unlock) | |
| 53 | ||
| 54 | #endif // OS_VARIANT_SELECTOR |