Tue, 01 Feb 2011 11:23:19 -0500
6588413: Use -fvisibility=hidden for gcc compiles
Summary: Add option for gcc 4 and above, define JNIEXPORT and JNIIMPORT to visibility=default, add for jio_snprintf and others since -fvisibility=hidden overrides --version-script definitions.
Reviewed-by: kamg, never
duke@435 | 1 | /* |
kvn@2460 | 2 | * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
stefank@2314 | 25 | #ifndef OS_CPU_SOLARIS_SPARC_VM_ORDERACCESS_SOLARIS_SPARC_INLINE_HPP |
stefank@2314 | 26 | #define OS_CPU_SOLARIS_SPARC_VM_ORDERACCESS_SOLARIS_SPARC_INLINE_HPP |
stefank@2314 | 27 | |
stefank@2314 | 28 | #include "runtime/orderAccess.hpp" |
stefank@2314 | 29 | #include "vm_version_sparc.hpp" |
stefank@2314 | 30 | |
duke@435 | 31 | // Implementation of class OrderAccess. |
duke@435 | 32 | |
duke@435 | 33 | // Assume TSO. |
duke@435 | 34 | |
duke@435 | 35 | // In solaris_sparc.il |
duke@435 | 36 | extern "C" void _OrderAccess_acquire(); |
duke@435 | 37 | extern "C" void _OrderAccess_fence(); |
duke@435 | 38 | |
duke@435 | 39 | inline void OrderAccess::loadload() { acquire(); } |
duke@435 | 40 | inline void OrderAccess::storestore() { release(); } |
duke@435 | 41 | inline void OrderAccess::loadstore() { acquire(); } |
duke@435 | 42 | inline void OrderAccess::storeload() { fence(); } |
duke@435 | 43 | |
duke@435 | 44 | #ifdef _GNU_SOURCE |
duke@435 | 45 | |
duke@435 | 46 | inline void OrderAccess::acquire() { |
duke@435 | 47 | __asm__ volatile ("nop" : : :); |
duke@435 | 48 | } |
duke@435 | 49 | |
duke@435 | 50 | inline void OrderAccess::release() { |
ysr@2066 | 51 | jint* local_dummy = (jint*)&local_dummy; |
ysr@2066 | 52 | __asm__ volatile("stw %%g0, [%0]" : : "r" (local_dummy) : "memory"); |
duke@435 | 53 | } |
duke@435 | 54 | |
duke@435 | 55 | inline void OrderAccess::fence() { |
duke@435 | 56 | __asm__ volatile ("membar #StoreLoad" : : :); |
duke@435 | 57 | } |
duke@435 | 58 | |
duke@435 | 59 | #else // _GNU_SOURCE |
duke@435 | 60 | |
duke@435 | 61 | inline void OrderAccess::acquire() { |
duke@435 | 62 | _OrderAccess_acquire(); |
duke@435 | 63 | } |
duke@435 | 64 | |
duke@435 | 65 | inline void OrderAccess::release() { |
ysr@2066 | 66 | // Avoid hitting the same cache-line from |
ysr@2066 | 67 | // different threads. |
ysr@2066 | 68 | volatile jint local_dummy = 0; |
duke@435 | 69 | } |
duke@435 | 70 | |
duke@435 | 71 | inline void OrderAccess::fence() { |
duke@435 | 72 | _OrderAccess_fence(); |
duke@435 | 73 | } |
duke@435 | 74 | |
duke@435 | 75 | #endif // _GNU_SOURCE |
duke@435 | 76 | |
duke@435 | 77 | inline jbyte OrderAccess::load_acquire(volatile jbyte* p) { return *p; } |
duke@435 | 78 | inline jshort OrderAccess::load_acquire(volatile jshort* p) { return *p; } |
duke@435 | 79 | inline jint OrderAccess::load_acquire(volatile jint* p) { return *p; } |
kvn@2460 | 80 | inline jlong OrderAccess::load_acquire(volatile jlong* p) { return Atomic::load(p); } |
duke@435 | 81 | inline jubyte OrderAccess::load_acquire(volatile jubyte* p) { return *p; } |
duke@435 | 82 | inline jushort OrderAccess::load_acquire(volatile jushort* p) { return *p; } |
duke@435 | 83 | inline juint OrderAccess::load_acquire(volatile juint* p) { return *p; } |
kvn@2460 | 84 | inline julong OrderAccess::load_acquire(volatile julong* p) { return Atomic::load((volatile jlong*)p); } |
duke@435 | 85 | inline jfloat OrderAccess::load_acquire(volatile jfloat* p) { return *p; } |
duke@435 | 86 | inline jdouble OrderAccess::load_acquire(volatile jdouble* p) { return *p; } |
duke@435 | 87 | |
duke@435 | 88 | inline intptr_t OrderAccess::load_ptr_acquire(volatile intptr_t* p) { return *p; } |
duke@435 | 89 | inline void* OrderAccess::load_ptr_acquire(volatile void* p) { return *(void* volatile *)p; } |
duke@435 | 90 | inline void* OrderAccess::load_ptr_acquire(const volatile void* p) { return *(void* const volatile *)p; } |
duke@435 | 91 | |
duke@435 | 92 | inline void OrderAccess::release_store(volatile jbyte* p, jbyte v) { *p = v; } |
duke@435 | 93 | inline void OrderAccess::release_store(volatile jshort* p, jshort v) { *p = v; } |
duke@435 | 94 | inline void OrderAccess::release_store(volatile jint* p, jint v) { *p = v; } |
kvn@2460 | 95 | inline void OrderAccess::release_store(volatile jlong* p, jlong v) { Atomic::store(v, p); } |
duke@435 | 96 | inline void OrderAccess::release_store(volatile jubyte* p, jubyte v) { *p = v; } |
duke@435 | 97 | inline void OrderAccess::release_store(volatile jushort* p, jushort v) { *p = v; } |
duke@435 | 98 | inline void OrderAccess::release_store(volatile juint* p, juint v) { *p = v; } |
kvn@2460 | 99 | inline void OrderAccess::release_store(volatile julong* p, julong v) { Atomic::store((jlong)v, (volatile jlong*)p); } |
duke@435 | 100 | inline void OrderAccess::release_store(volatile jfloat* p, jfloat v) { *p = v; } |
duke@435 | 101 | inline void OrderAccess::release_store(volatile jdouble* p, jdouble v) { *p = v; } |
duke@435 | 102 | |
duke@435 | 103 | inline void OrderAccess::release_store_ptr(volatile intptr_t* p, intptr_t v) { *p = v; } |
duke@435 | 104 | inline void OrderAccess::release_store_ptr(volatile void* p, void* v) { *(void* volatile *)p = v; } |
duke@435 | 105 | |
duke@435 | 106 | inline void OrderAccess::store_fence(jbyte* p, jbyte v) { *p = v; fence(); } |
duke@435 | 107 | inline void OrderAccess::store_fence(jshort* p, jshort v) { *p = v; fence(); } |
duke@435 | 108 | inline void OrderAccess::store_fence(jint* p, jint v) { *p = v; fence(); } |
duke@435 | 109 | inline void OrderAccess::store_fence(jlong* p, jlong v) { *p = v; fence(); } |
duke@435 | 110 | inline void OrderAccess::store_fence(jubyte* p, jubyte v) { *p = v; fence(); } |
duke@435 | 111 | inline void OrderAccess::store_fence(jushort* p, jushort v) { *p = v; fence(); } |
duke@435 | 112 | inline void OrderAccess::store_fence(juint* p, juint v) { *p = v; fence(); } |
duke@435 | 113 | inline void OrderAccess::store_fence(julong* p, julong v) { *p = v; fence(); } |
duke@435 | 114 | inline void OrderAccess::store_fence(jfloat* p, jfloat v) { *p = v; fence(); } |
duke@435 | 115 | inline void OrderAccess::store_fence(jdouble* p, jdouble v) { *p = v; fence(); } |
duke@435 | 116 | |
duke@435 | 117 | inline void OrderAccess::store_ptr_fence(intptr_t* p, intptr_t v) { *p = v; fence(); } |
duke@435 | 118 | inline void OrderAccess::store_ptr_fence(void** p, void* v) { *p = v; fence(); } |
duke@435 | 119 | |
duke@435 | 120 | inline void OrderAccess::release_store_fence(volatile jbyte* p, jbyte v) { *p = v; fence(); } |
duke@435 | 121 | inline void OrderAccess::release_store_fence(volatile jshort* p, jshort v) { *p = v; fence(); } |
duke@435 | 122 | inline void OrderAccess::release_store_fence(volatile jint* p, jint v) { *p = v; fence(); } |
kvn@2460 | 123 | inline void OrderAccess::release_store_fence(volatile jlong* p, jlong v) { release_store(p, v); fence(); } |
duke@435 | 124 | inline void OrderAccess::release_store_fence(volatile jubyte* p, jubyte v) { *p = v; fence(); } |
duke@435 | 125 | inline void OrderAccess::release_store_fence(volatile jushort* p, jushort v) { *p = v; fence(); } |
duke@435 | 126 | inline void OrderAccess::release_store_fence(volatile juint* p, juint v) { *p = v; fence(); } |
kvn@2460 | 127 | inline void OrderAccess::release_store_fence(volatile julong* p, julong v) { release_store(p, v); fence(); } |
duke@435 | 128 | inline void OrderAccess::release_store_fence(volatile jfloat* p, jfloat v) { *p = v; fence(); } |
duke@435 | 129 | inline void OrderAccess::release_store_fence(volatile jdouble* p, jdouble v) { *p = v; fence(); } |
duke@435 | 130 | |
duke@435 | 131 | inline void OrderAccess::release_store_ptr_fence(volatile intptr_t* p, intptr_t v) { *p = v; fence(); } |
duke@435 | 132 | inline void OrderAccess::release_store_ptr_fence(volatile void* p, void* v) { *(void* volatile *)p = v; fence(); } |
stefank@2314 | 133 | |
stefank@2314 | 134 | #endif // OS_CPU_SOLARIS_SPARC_VM_ORDERACCESS_SOLARIS_SPARC_INLINE_HPP |