annotate src/os_cpu/linux_sparc/vm/orderAccess_linux_sparc.inline.hpp @ 18079:605df8463453 jdk8u25-b06

Merge
author asaha
date Wed, 02 Jul 2014 15:42:28 -0700
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1 /*
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2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #ifndef OS_CPU_LINUX_SPARC_VM_ORDERACCESS_LINUX_SPARC_INLINE_HPP
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26 #define OS_CPU_LINUX_SPARC_VM_ORDERACCESS_LINUX_SPARC_INLINE_HPP
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27
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28 #include "runtime/orderAccess.hpp"
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29 #include "vm_version_sparc.hpp"
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30
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31 // Implementation of class OrderAccess.
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32
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33 // Assume TSO.
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34
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35 inline void OrderAccess::loadload() { acquire(); }
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36 inline void OrderAccess::storestore() { release(); }
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37 inline void OrderAccess::loadstore() { acquire(); }
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38 inline void OrderAccess::storeload() { fence(); }
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39
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40 inline void OrderAccess::acquire() {
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41 __asm__ volatile ("nop" : : :);
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42 }
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43
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44 inline void OrderAccess::release() {
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45 jint* local_dummy = (jint*)&local_dummy;
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46 __asm__ volatile("stw %%g0, [%0]" : : "r" (local_dummy) : "memory");
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47 }
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48
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49 inline void OrderAccess::fence() {
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50 __asm__ volatile ("membar #StoreLoad" : : :);
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51 }
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52
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53 inline jbyte OrderAccess::load_acquire(volatile jbyte* p) { return *p; }
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54 inline jshort OrderAccess::load_acquire(volatile jshort* p) { return *p; }
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55 inline jint OrderAccess::load_acquire(volatile jint* p) { return *p; }
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56 inline jlong OrderAccess::load_acquire(volatile jlong* p) { return *p; }
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57 inline jubyte OrderAccess::load_acquire(volatile jubyte* p) { return *p; }
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58 inline jushort OrderAccess::load_acquire(volatile jushort* p) { return *p; }
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59 inline juint OrderAccess::load_acquire(volatile juint* p) { return *p; }
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60 inline julong OrderAccess::load_acquire(volatile julong* p) { return *p; }
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61 inline jfloat OrderAccess::load_acquire(volatile jfloat* p) { return *p; }
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62 inline jdouble OrderAccess::load_acquire(volatile jdouble* p) { return *p; }
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63
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64 inline intptr_t OrderAccess::load_ptr_acquire(volatile intptr_t* p) { return *p; }
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65 inline void* OrderAccess::load_ptr_acquire(volatile void* p) { return *(void* volatile *)p; }
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66 inline void* OrderAccess::load_ptr_acquire(const volatile void* p) { return *(void* const volatile *)p; }
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67
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68 inline void OrderAccess::release_store(volatile jbyte* p, jbyte v) { *p = v; }
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69 inline void OrderAccess::release_store(volatile jshort* p, jshort v) { *p = v; }
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70 inline void OrderAccess::release_store(volatile jint* p, jint v) { *p = v; }
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71 inline void OrderAccess::release_store(volatile jlong* p, jlong v) { *p = v; }
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72 inline void OrderAccess::release_store(volatile jubyte* p, jubyte v) { *p = v; }
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73 inline void OrderAccess::release_store(volatile jushort* p, jushort v) { *p = v; }
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74 inline void OrderAccess::release_store(volatile juint* p, juint v) { *p = v; }
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75 inline void OrderAccess::release_store(volatile julong* p, julong v) { *p = v; }
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76 inline void OrderAccess::release_store(volatile jfloat* p, jfloat v) { *p = v; }
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77 inline void OrderAccess::release_store(volatile jdouble* p, jdouble v) { *p = v; }
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78
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79 inline void OrderAccess::release_store_ptr(volatile intptr_t* p, intptr_t v) { *p = v; }
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80 inline void OrderAccess::release_store_ptr(volatile void* p, void* v) { *(void* volatile *)p = v; }
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81
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82 inline void OrderAccess::store_fence(jbyte* p, jbyte v) { *p = v; fence(); }
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83 inline void OrderAccess::store_fence(jshort* p, jshort v) { *p = v; fence(); }
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84 inline void OrderAccess::store_fence(jint* p, jint v) { *p = v; fence(); }
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85 inline void OrderAccess::store_fence(jlong* p, jlong v) { *p = v; fence(); }
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86 inline void OrderAccess::store_fence(jubyte* p, jubyte v) { *p = v; fence(); }
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87 inline void OrderAccess::store_fence(jushort* p, jushort v) { *p = v; fence(); }
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88 inline void OrderAccess::store_fence(juint* p, juint v) { *p = v; fence(); }
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89 inline void OrderAccess::store_fence(julong* p, julong v) { *p = v; fence(); }
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90 inline void OrderAccess::store_fence(jfloat* p, jfloat v) { *p = v; fence(); }
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91 inline void OrderAccess::store_fence(jdouble* p, jdouble v) { *p = v; fence(); }
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92
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93 inline void OrderAccess::store_ptr_fence(intptr_t* p, intptr_t v) { *p = v; fence(); }
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94 inline void OrderAccess::store_ptr_fence(void** p, void* v) { *p = v; fence(); }
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95
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96 inline void OrderAccess::release_store_fence(volatile jbyte* p, jbyte v) { *p = v; fence(); }
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97 inline void OrderAccess::release_store_fence(volatile jshort* p, jshort v) { *p = v; fence(); }
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98 inline void OrderAccess::release_store_fence(volatile jint* p, jint v) { *p = v; fence(); }
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99 inline void OrderAccess::release_store_fence(volatile jlong* p, jlong v) { *p = v; fence(); }
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100 inline void OrderAccess::release_store_fence(volatile jubyte* p, jubyte v) { *p = v; fence(); }
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101 inline void OrderAccess::release_store_fence(volatile jushort* p, jushort v) { *p = v; fence(); }
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102 inline void OrderAccess::release_store_fence(volatile juint* p, juint v) { *p = v; fence(); }
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103 inline void OrderAccess::release_store_fence(volatile julong* p, julong v) { *p = v; fence(); }
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104 inline void OrderAccess::release_store_fence(volatile jfloat* p, jfloat v) { *p = v; fence(); }
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105 inline void OrderAccess::release_store_fence(volatile jdouble* p, jdouble v) { *p = v; fence(); }
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106
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107 inline void OrderAccess::release_store_ptr_fence(volatile intptr_t* p, intptr_t v) { *p = v; fence(); }
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108 inline void OrderAccess::release_store_ptr_fence(volatile void* p, void* v) { *(void* volatile *)p = v; fence(); }
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110 #endif // OS_CPU_LINUX_SPARC_VM_ORDERACCESS_LINUX_SPARC_INLINE_HPP