projects / userspace-rcu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c64a40d MJ |
1 | // SPDX-FileCopyrightText: 2023 Olivier Dion <odion@efficios.com> |
| 2 | // | |
| 3 | // SPDX-License-Identifier: LGPL-2.1-or-later | |
| 4 | ||
| d1854484 OD |
5 | /* |
| 6 | * urcu/uatomic/builtins.h | |
| d1854484 OD |
7 | */ |
| 8 | ||
| 9 | #ifndef _URCU_UATOMIC_BUILTINS_H | |
| 10 | #define _URCU_UATOMIC_BUILTINS_H | |
| 11 | ||
| 12 | #include <urcu/arch.h> | |
| 13 | ||
| 14 | #if defined(__has_builtin) | |
| 15 | # if !__has_builtin(__atomic_store_n) | |
| 16 | # error "Toolchain does not support __atomic_store_n." | |
| 17 | # endif | |
| 18 | # if !__has_builtin(__atomic_load_n) | |
| 19 | # error "Toolchain does not support __atomic_load_n." | |
| 20 | # endif | |
| 21 | # if !__has_builtin(__atomic_exchange_n) | |
| 22 | # error "Toolchain does not support __atomic_exchange_n." | |
| 23 | # endif | |
| 24 | # if !__has_builtin(__atomic_compare_exchange_n) | |
| 25 | # error "Toolchain does not support __atomic_compare_exchange_n." | |
| 26 | # endif | |
| 27 | # if !__has_builtin(__atomic_add_fetch) | |
| 28 | # error "Toolchain does not support __atomic_add_fetch." | |
| 29 | # endif | |
| 30 | # if !__has_builtin(__atomic_sub_fetch) | |
| 31 | # error "Toolchain does not support __atomic_sub_fetch." | |
| 32 | # endif | |
| 33 | # if !__has_builtin(__atomic_or_fetch) | |
| 34 | # error "Toolchain does not support __atomic_or_fetch." | |
| 35 | # endif | |
| 36 | # if !__has_builtin(__atomic_thread_fence) | |
| 37 | # error "Toolchain does not support __atomic_thread_fence." | |
| 38 | # endif | |
| 39 | # if !__has_builtin(__atomic_signal_fence) | |
| 40 | # error "Toolchain does not support __atomic_signal_fence." | |
| 41 | # endif | |
| 42 | #elif defined(__GNUC__) | |
| 43 | # define GCC_VERSION (__GNUC__ * 10000 + \ | |
| 44 | __GNUC_MINOR__ * 100 + \ | |
| 45 | __GNUC_PATCHLEVEL__) | |
| 46 | # if GCC_VERSION < 40700 | |
| 47 | # error "GCC version is too old. Version must be 4.7 or greater" | |
| 48 | # endif | |
| 49 | # undef GCC_VERSION | |
| 50 | #else | |
| 51 | # error "Toolchain is not supported." | |
| 52 | #endif | |
| 53 | ||
| 54 | #if defined(__GNUC__) | |
| 55 | # define UATOMIC_HAS_ATOMIC_BYTE __GCC_ATOMIC_CHAR_LOCK_FREE | |
| 56 | # define UATOMIC_HAS_ATOMIC_SHORT __GCC_ATOMIC_SHORT_LOCK_FREE | |
| 57 | #elif defined(__clang__) | |
| 58 | # define UATOMIC_HAS_ATOMIC_BYTE __CLANG_ATOMIC_CHAR_LOCK_FREE | |
| 59 | # define UATOMIC_HAS_ATOMIC_SHORT __CLANG_ATOMIC_SHORT_LOCK_FREE | |
| 60 | #else | |
| 61 | /* # define UATOMIC_HAS_ATOMIC_BYTE */ | |
| 62 | /* # define UATOMIC_HAS_ATOMIC_SHORT */ | |
| 63 | #endif | |
| 64 | ||
| 65 | #include <urcu/uatomic/builtins-generic.h> | |
| 66 | ||
| 67 | #endif /* _URCU_UATOMIC_BUILTINS_H */ |