/* * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. * Copyright 2014 SAP AG. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code 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 General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef SHARE_VM_RUNTIME_ORDERACCESS_INLINE_HPP #define SHARE_VM_RUNTIME_ORDERACCESS_INLINE_HPP #include "runtime/atomic.inline.hpp" #include "runtime/orderAccess.hpp" // Linux #ifdef TARGET_OS_ARCH_linux_x86 # include "orderAccess_linux_x86.inline.hpp" #endif #ifdef TARGET_OS_ARCH_linux_sparc # include "orderAccess_linux_sparc.inline.hpp" #endif #ifdef TARGET_OS_ARCH_linux_zero # include "orderAccess_linux_zero.inline.hpp" #endif #ifdef TARGET_OS_ARCH_linux_arm # include "orderAccess_linux_arm.inline.hpp" #endif #ifdef TARGET_OS_ARCH_linux_ppc # include "orderAccess_linux_ppc.inline.hpp" #endif // Solaris #ifdef TARGET_OS_ARCH_solaris_x86 # include "orderAccess_solaris_x86.inline.hpp" #endif #ifdef TARGET_OS_ARCH_solaris_sparc # include "orderAccess_solaris_sparc.inline.hpp" #endif // Windows #ifdef TARGET_OS_ARCH_windows_x86 # include "orderAccess_windows_x86.inline.hpp" #endif // AIX #ifdef TARGET_OS_ARCH_aix_ppc # include "orderAccess_aix_ppc.inline.hpp" #endif // BSD #ifdef TARGET_OS_ARCH_bsd_x86 # include "orderAccess_bsd_x86.inline.hpp" #endif #ifdef TARGET_OS_ARCH_bsd_zero # include "orderAccess_bsd_zero.inline.hpp" #endif #ifdef VM_HAS_GENERALIZED_ORDER_ACCESS template<> inline void ScopedFenceGeneral::postfix() { OrderAccess::acquire(); } template<> inline void ScopedFenceGeneral::prefix() { OrderAccess::release(); } template<> inline void ScopedFenceGeneral::prefix() { OrderAccess::release(); } template<> inline void ScopedFenceGeneral::postfix() { OrderAccess::fence(); } template inline void OrderAccess::ordered_store(volatile FieldType* p, FieldType v) { ScopedFence f((void*)p); store(p, v); } template inline FieldType OrderAccess::ordered_load(volatile FieldType* p) { ScopedFence f((void*)p); return load(p); } inline jbyte OrderAccess::load_acquire(volatile jbyte* p) { return specialized_load_acquire(p); } inline jshort OrderAccess::load_acquire(volatile jshort* p) { return specialized_load_acquire(p); } inline jint OrderAccess::load_acquire(volatile jint* p) { return specialized_load_acquire(p); } inline jlong OrderAccess::load_acquire(volatile jlong* p) { return specialized_load_acquire(p); } inline jfloat OrderAccess::load_acquire(volatile jfloat* p) { return specialized_load_acquire(p); } inline jdouble OrderAccess::load_acquire(volatile jdouble* p) { return specialized_load_acquire(p); } inline jubyte OrderAccess::load_acquire(volatile jubyte* p) { return (jubyte) specialized_load_acquire((volatile jbyte*)p); } inline jushort OrderAccess::load_acquire(volatile jushort* p) { return (jushort)specialized_load_acquire((volatile jshort*)p); } inline juint OrderAccess::load_acquire(volatile juint* p) { return (juint) specialized_load_acquire((volatile jint*)p); } inline julong OrderAccess::load_acquire(volatile julong* p) { return (julong) specialized_load_acquire((volatile jlong*)p); } inline intptr_t OrderAccess::load_ptr_acquire(volatile intptr_t* p) { return (intptr_t)specialized_load_acquire(p); } inline void* OrderAccess::load_ptr_acquire(volatile void* p) { return (void*)specialized_load_acquire((volatile intptr_t*)p); } inline void* OrderAccess::load_ptr_acquire(const volatile void* p) { return (void*)specialized_load_acquire((volatile intptr_t*)p); } inline void OrderAccess::release_store(volatile jbyte* p, jbyte v) { specialized_release_store(p, v); } inline void OrderAccess::release_store(volatile jshort* p, jshort v) { specialized_release_store(p, v); } inline void OrderAccess::release_store(volatile jint* p, jint v) { specialized_release_store(p, v); } inline void OrderAccess::release_store(volatile jlong* p, jlong v) { specialized_release_store(p, v); } inline void OrderAccess::release_store(volatile jfloat* p, jfloat v) { specialized_release_store(p, v); } inline void OrderAccess::release_store(volatile jdouble* p, jdouble v) { specialized_release_store(p, v); } inline void OrderAccess::release_store(volatile jubyte* p, jubyte v) { specialized_release_store((volatile jbyte*) p, (jbyte) v); } inline void OrderAccess::release_store(volatile jushort* p, jushort v) { specialized_release_store((volatile jshort*)p, (jshort)v); } inline void OrderAccess::release_store(volatile juint* p, juint v) { specialized_release_store((volatile jint*) p, (jint) v); } inline void OrderAccess::release_store(volatile julong* p, julong v) { specialized_release_store((volatile jlong*) p, (jlong) v); } inline void OrderAccess::release_store_ptr(volatile intptr_t* p, intptr_t v) { specialized_release_store(p, v); } inline void OrderAccess::release_store_ptr(volatile void* p, void* v) { specialized_release_store((volatile intptr_t*)p, (intptr_t)v); } inline void OrderAccess::release_store_fence(volatile jbyte* p, jbyte v) { specialized_release_store_fence(p, v); } inline void OrderAccess::release_store_fence(volatile jshort* p, jshort v) { specialized_release_store_fence(p, v); } inline void OrderAccess::release_store_fence(volatile jint* p, jint v) { specialized_release_store_fence(p, v); } inline void OrderAccess::release_store_fence(volatile jlong* p, jlong v) { specialized_release_store_fence(p, v); } inline void OrderAccess::release_store_fence(volatile jfloat* p, jfloat v) { specialized_release_store_fence(p, v); } inline void OrderAccess::release_store_fence(volatile jdouble* p, jdouble v) { specialized_release_store_fence(p, v); } inline void OrderAccess::release_store_fence(volatile jubyte* p, jubyte v) { specialized_release_store_fence((volatile jbyte*) p, (jbyte) v); } inline void OrderAccess::release_store_fence(volatile jushort* p, jushort v) { specialized_release_store_fence((volatile jshort*)p, (jshort)v); } inline void OrderAccess::release_store_fence(volatile juint* p, juint v) { specialized_release_store_fence((volatile jint*) p, (jint) v); } inline void OrderAccess::release_store_fence(volatile julong* p, julong v) { specialized_release_store_fence((volatile jlong*) p, (jlong) v); } inline void OrderAccess::release_store_ptr_fence(volatile intptr_t* p, intptr_t v) { specialized_release_store_fence(p, v); } inline void OrderAccess::release_store_ptr_fence(volatile void* p, void* v) { specialized_release_store_fence((volatile intptr_t*)p, (intptr_t)v); } // The following methods can be specialized using simple template specialization // in the platform specific files for optimization purposes. Otherwise the // generalized variant is used. template inline T OrderAccess::specialized_load_acquire (volatile T* p) { return ordered_load(p); } template inline void OrderAccess::specialized_release_store (volatile T* p, T v) { ordered_store(p, v); } template inline void OrderAccess::specialized_release_store_fence(volatile T* p, T v) { ordered_store(p, v); } // Generalized atomic volatile accesses valid in OrderAccess // All other types can be expressed in terms of these. inline void OrderAccess::store(volatile jbyte* p, jbyte v) { *p = v; } inline void OrderAccess::store(volatile jshort* p, jshort v) { *p = v; } inline void OrderAccess::store(volatile jint* p, jint v) { *p = v; } inline void OrderAccess::store(volatile jlong* p, jlong v) { Atomic::store(v, p); } inline void OrderAccess::store(volatile jdouble* p, jdouble v) { Atomic::store(jlong_cast(v), (volatile jlong*)p); } inline void OrderAccess::store(volatile jfloat* p, jfloat v) { *p = v; } inline jbyte OrderAccess::load(volatile jbyte* p) { return *p; } inline jshort OrderAccess::load(volatile jshort* p) { return *p; } inline jint OrderAccess::load(volatile jint* p) { return *p; } inline jlong OrderAccess::load(volatile jlong* p) { return Atomic::load(p); } inline jdouble OrderAccess::load(volatile jdouble* p) { return jdouble_cast(Atomic::load((volatile jlong*)p)); } inline jfloat OrderAccess::load(volatile jfloat* p) { return *p; } #endif // VM_HAS_GENERALIZED_ORDER_ACCESS #endif // SHARE_VM_RUNTIME_ORDERACCESS_INLINE_HPP