1 /* 2 * Copyright (c) 1999, 2017, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef OS_CPU_SOLARIS_SPARC_VM_ATOMIC_SOLARIS_SPARC_HPP 26 #define OS_CPU_SOLARIS_SPARC_VM_ATOMIC_SOLARIS_SPARC_HPP 27 28 #include "runtime/os.hpp" 29 30 // Implementation of class atomic 31 32 // This is the interface to the atomic instructions in solaris_sparc.il. 33 34 extern "C" int32_t _Atomic_swap32(int32_t exchange_value, volatile int32_t* dest); 35 extern "C" int64_t _Atomic_swap64(int64_t exchange_value, volatile int64_t* dest); 36 37 extern "C" int32_t _Atomic_cas32(int32_t exchange_value, volatile int32_t* dest, int32_t compare_value); 38 extern "C" int64_t _Atomic_cas64(int64_t exchange_value, volatile int64_t* dest, int64_t compare_value); 39 40 extern "C" int32_t _Atomic_add32(int32_t add_value, volatile int32_t* dest); 41 extern "C" int64_t _Atomic_add64(int64_t add_value, volatile int64_t* dest); 42 43 44 template <> 45 inline int32_t GeneralizedAtomic::specialized_add<int32_t>(int32_t add_value, volatile int32_t* dest) { 46 return _Atomic_add32(add_value, dest); 47 } 48 49 template <> 50 inline int64_t GeneralizedAtomic::specialized_add<int64_t>(int64_t add_value, volatile int64_t* dest) { 51 return _Atomic_add64(add_value, dest); 52 } 53 54 template <> 55 inline int32_t GeneralizedAtomic::specialized_xchg<int32_t>(int32_t exchange_value, volatile int32_t* dest) { 56 return _Atomic_swap32(exchange_value, dest); 57 } 58 59 template <> 60 inline int64_t GeneralizedAtomic::specialized_xchg<int64_t>(int64_t exchange_value, volatile int64_t* dest) { 61 return _Atomic_swap64(exchange_value, dest); 62 } 63 64 template <> 65 inline int32_t GeneralizedAtomic::specialized_cmpxchg<int32_t>(int32_t exchange_value, volatile int32_t* dest, int32_t compare_value, cmpxchg_memory_order order) { 66 return _Atomic_cas32(exchange_value, dest, compare_value); 67 } 68 69 template <> 70 inline int64_t GeneralizedAtomic::specialized_cmpxchg<int64_t>(int64_t exchange_value, volatile int64_t* dest, int64_t compare_value, cmpxchg_memory_order order) { 71 return _Atomic_cas64(exchange_value, dest, compare_value); 72 } 73 74 #endif // OS_CPU_SOLARIS_SPARC_VM_ATOMIC_SOLARIS_SPARC_HPP