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Diffstat (limited to 'ports/sysdeps/aarch64/bits/atomic.h')
| -rw-r--r-- | ports/sysdeps/aarch64/bits/atomic.h | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/ports/sysdeps/aarch64/bits/atomic.h b/ports/sysdeps/aarch64/bits/atomic.h deleted file mode 100644 index 456e2ecdff..0000000000 --- a/ports/sysdeps/aarch64/bits/atomic.h +++ /dev/null @@ -1,171 +0,0 @@ -/* Copyright (C) 2003-2014 Free Software Foundation, Inc. - - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library. If not, see - <http://www.gnu.org/licenses/>. */ - -#ifndef _AARCH64_BITS_ATOMIC_H -#define _AARCH64_BITS_ATOMIC_H 1 - -#include <stdint.h> - -typedef int8_t atomic8_t; -typedef int16_t atomic16_t; -typedef int32_t atomic32_t; -typedef int64_t atomic64_t; - -typedef uint8_t uatomic8_t; -typedef uint16_t uatomic16_t; -typedef uint32_t uatomic32_t; -typedef uint64_t uatomic64_t; - -typedef intptr_t atomicptr_t; -typedef uintptr_t uatomicptr_t; -typedef intmax_t atomic_max_t; -typedef uintmax_t uatomic_max_t; - - -/* Compare and exchange. - For all "bool" routines, we return FALSE if exchange succesful. */ - -# define __arch_compare_and_exchange_bool_8_int(mem, newval, oldval, model) \ - ({ \ - typeof (*mem) __oldval = (oldval); \ - !__atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \ - model, __ATOMIC_RELAXED); \ - }) - -# define __arch_compare_and_exchange_bool_16_int(mem, newval, oldval, model) \ - ({ \ - typeof (*mem) __oldval = (oldval); \ - !__atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \ - model, __ATOMIC_RELAXED); \ - }) - -# define __arch_compare_and_exchange_bool_32_int(mem, newval, oldval, model) \ - ({ \ - typeof (*mem) __oldval = (oldval); \ - !__atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \ - model, __ATOMIC_RELAXED); \ - }) - -# define __arch_compare_and_exchange_bool_64_int(mem, newval, oldval, model) \ - ({ \ - typeof (*mem) __oldval = (oldval); \ - !__atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \ - model, __ATOMIC_RELAXED); \ - }) - -# define __arch_compare_and_exchange_val_8_int(mem, newval, oldval, model) \ - ({ \ - typeof (*mem) __oldval = (oldval); \ - __atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \ - model, __ATOMIC_RELAXED); \ - __oldval; \ - }) - -# define __arch_compare_and_exchange_val_16_int(mem, newval, oldval, model) \ - ({ \ - typeof (*mem) __oldval = (oldval); \ - __atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \ - model, __ATOMIC_RELAXED); \ - __oldval; \ - }) - -# define __arch_compare_and_exchange_val_32_int(mem, newval, oldval, model) \ - ({ \ - typeof (*mem) __oldval = (oldval); \ - __atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \ - model, __ATOMIC_RELAXED); \ - __oldval; \ - }) - -# define __arch_compare_and_exchange_val_64_int(mem, newval, oldval, model) \ - ({ \ - typeof (*mem) __oldval = (oldval); \ - __atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \ - model, __ATOMIC_RELAXED); \ - __oldval; \ - }) - - -/* Compare and exchange with "acquire" semantics, ie barrier after. */ - -# define atomic_compare_and_exchange_bool_acq(mem, new, old) \ - __atomic_bool_bysize (__arch_compare_and_exchange_bool, int, \ - mem, new, old, __ATOMIC_ACQUIRE) - -# define atomic_compare_and_exchange_val_acq(mem, new, old) \ - __atomic_val_bysize (__arch_compare_and_exchange_val, int, \ - mem, new, old, __ATOMIC_ACQUIRE) - -/* Compare and exchange with "release" semantics, ie barrier before. */ - -# define atomic_compare_and_exchange_bool_rel(mem, new, old) \ - __atomic_bool_bysize (__arch_compare_and_exchange_bool, int, \ - mem, new, old, __ATOMIC_RELEASE) - -# define atomic_compare_and_exchange_val_rel(mem, new, old) \ - __atomic_val_bysize (__arch_compare_and_exchange_val, int, \ - mem, new, old, __ATOMIC_RELEASE) - - -/* Atomic exchange (without compare). */ - -# define __arch_exchange_8_int(mem, newval, model) \ - __atomic_exchange_n (mem, newval, model) - -# define __arch_exchange_16_int(mem, newval, model) \ - __atomic_exchange_n (mem, newval, model) - -# define __arch_exchange_32_int(mem, newval, model) \ - __atomic_exchange_n (mem, newval, model) - -# define __arch_exchange_64_int(mem, newval, model) \ - __atomic_exchange_n (mem, newval, model) - -# define atomic_exchange_acq(mem, value) \ - __atomic_val_bysize (__arch_exchange, int, mem, value, __ATOMIC_ACQUIRE) - -# define atomic_exchange_rel(mem, value) \ - __atomic_val_bysize (__arch_exchange, int, mem, value, __ATOMIC_RELEASE) - - -/* Atomically add value and return the previous (unincremented) value. */ - -# define __arch_exchange_and_add_8_int(mem, value, model) \ - __atomic_fetch_add (mem, value, model) - -# define __arch_exchange_and_add_16_int(mem, value, model) \ - __atomic_fetch_add (mem, value, model) - -# define __arch_exchange_and_add_32_int(mem, value, model) \ - __atomic_fetch_add (mem, value, model) - -# define __arch_exchange_and_add_64_int(mem, value, model) \ - __atomic_fetch_add (mem, value, model) - -# define atomic_exchange_and_add_acq(mem, value) \ - __atomic_val_bysize (__arch_exchange_and_add, int, mem, value, \ - __ATOMIC_ACQUIRE) - -# define atomic_exchange_and_add_rel(mem, value) \ - __atomic_val_bysize (__arch_exchange_and_add, int, mem, value, \ - __ATOMIC_RELEASE) - -/* Barrier macro. */ -#define atomic_full_barrier() __sync_synchronize() - -#endif |