Mercurial > hg > truffle
annotate src/share/vm/utilities/decoder.cpp @ 14411:bdd155477289
8023033: PPC64 (part 13): basic changes for AIX
Summary: Added AIX includes alpha-sorted before BSD. Fix compilation issues with xlC in shared code. Basic shared platform dependend adaption (vm_version etc.).
Reviewed-by: kvn, dholmes, stefank
| author | goetz |
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| date | Thu, 22 Aug 2013 09:39:54 -0700 |
| parents | b9a9ed0f8eeb |
| children | 2b8e28fdf503 |
| rev | line source |
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1 /* |
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2 * Copyright (c) 1997, 2012, 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 #include "precompiled.hpp" |
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26 #include "prims/jvm.h" |
| 4803 | 27 #include "runtime/mutexLocker.hpp" |
| 4917 | 28 #include "runtime/os.hpp" |
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29 #include "utilities/decoder.hpp" |
| 4917 | 30 #include "utilities/vmError.hpp" |
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31 |
| 4803 | 32 #if defined(_WINDOWS) |
| 33 #include "decoder_windows.hpp" | |
| 34 #elif defined(__APPLE__) | |
| 35 #include "decoder_machO.hpp" | |
| 14411 | 36 #elif defined(AIX) |
| 37 #include "decoder_aix.hpp" | |
| 4803 | 38 #else |
| 39 #include "decoder_elf.hpp" | |
| 40 #endif | |
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41 |
| 4917 | 42 AbstractDecoder* Decoder::_shared_decoder = NULL; |
| 43 AbstractDecoder* Decoder::_error_handler_decoder = NULL; | |
| 44 NullDecoder Decoder::_do_nothing_decoder; | |
| 45 Mutex* Decoder::_shared_decoder_lock = new Mutex(Mutex::native, | |
| 46 "SharedDecoderLock"); | |
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47 |
| 4917 | 48 AbstractDecoder* Decoder::get_shared_instance() { |
| 49 assert(_shared_decoder_lock != NULL && _shared_decoder_lock->owned_by_self(), | |
| 4803 | 50 "Require DecoderLock to enter"); |
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51 |
| 4917 | 52 if (_shared_decoder == NULL) { |
| 53 _shared_decoder = create_decoder(); | |
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54 } |
| 4917 | 55 return _shared_decoder; |
| 56 } | |
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57 |
| 4917 | 58 AbstractDecoder* Decoder::get_error_handler_instance() { |
| 59 if (_error_handler_decoder == NULL) { | |
| 60 _error_handler_decoder = create_decoder(); | |
| 61 } | |
| 62 return _error_handler_decoder; | |
| 63 } | |
| 64 | |
| 65 | |
| 66 AbstractDecoder* Decoder::create_decoder() { | |
| 67 AbstractDecoder* decoder; | |
| 4803 | 68 #if defined(_WINDOWS) |
| 4917 | 69 decoder = new (std::nothrow) WindowsDecoder(); |
| 4803 | 70 #elif defined (__APPLE__) |
| 4917 | 71 decoder = new (std::nothrow)MachODecoder(); |
| 14411 | 72 #elif defined(AIX) |
| 73 decoder = new (std::nothrow)AIXDecoder(); | |
| 4803 | 74 #else |
| 4917 | 75 decoder = new (std::nothrow)ElfDecoder(); |
| 4803 | 76 #endif |
| 77 | |
| 4917 | 78 if (decoder == NULL || decoder->has_error()) { |
| 79 if (decoder != NULL) { | |
| 80 delete decoder; | |
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81 } |
| 4917 | 82 decoder = &_do_nothing_decoder; |
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83 } |
| 4917 | 84 return decoder; |
| 4803 | 85 } |
| 86 | |
| 87 bool Decoder::decode(address addr, char* buf, int buflen, int* offset, const char* modulepath) { | |
| 4917 | 88 assert(_shared_decoder_lock != NULL, "Just check"); |
| 89 bool error_handling_thread = os::current_thread_id() == VMError::first_error_tid; | |
| 90 MutexLockerEx locker(error_handling_thread ? NULL : _shared_decoder_lock, true); | |
| 91 AbstractDecoder* decoder = error_handling_thread ? | |
| 92 get_error_handler_instance(): get_shared_instance(); | |
| 4803 | 93 assert(decoder != NULL, "null decoder"); |
| 94 | |
| 95 return decoder->decode(addr, buf, buflen, offset, modulepath); | |
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96 } |
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97 |
| 6258 | 98 bool Decoder::decode(address addr, char* buf, int buflen, int* offset, const void* base) { |
| 99 assert(_shared_decoder_lock != NULL, "Just check"); | |
| 100 bool error_handling_thread = os::current_thread_id() == VMError::first_error_tid; | |
| 101 MutexLockerEx locker(error_handling_thread ? NULL : _shared_decoder_lock, true); | |
| 102 AbstractDecoder* decoder = error_handling_thread ? | |
| 103 get_error_handler_instance(): get_shared_instance(); | |
| 104 assert(decoder != NULL, "null decoder"); | |
| 105 | |
| 106 return decoder->decode(addr, buf, buflen, offset, base); | |
| 107 } | |
| 108 | |
| 109 | |
| 4803 | 110 bool Decoder::demangle(const char* symbol, char* buf, int buflen) { |
| 4917 | 111 assert(_shared_decoder_lock != NULL, "Just check"); |
| 112 bool error_handling_thread = os::current_thread_id() == VMError::first_error_tid; | |
| 113 MutexLockerEx locker(error_handling_thread ? NULL : _shared_decoder_lock, true); | |
| 114 AbstractDecoder* decoder = error_handling_thread ? | |
| 115 get_error_handler_instance(): get_shared_instance(); | |
| 4803 | 116 assert(decoder != NULL, "null decoder"); |
| 117 return decoder->demangle(symbol, buf, buflen); | |
| 118 } | |
| 119 | |
| 120 bool Decoder::can_decode_C_frame_in_vm() { | |
| 4917 | 121 assert(_shared_decoder_lock != NULL, "Just check"); |
| 122 bool error_handling_thread = os::current_thread_id() == VMError::first_error_tid; | |
| 123 MutexLockerEx locker(error_handling_thread ? NULL : _shared_decoder_lock, true); | |
| 124 AbstractDecoder* decoder = error_handling_thread ? | |
| 125 get_error_handler_instance(): get_shared_instance(); | |
| 4803 | 126 assert(decoder != NULL, "null decoder"); |
| 127 return decoder->can_decode_C_frame_in_vm(); | |
| 128 } | |
| 129 | |
| 4917 | 130 /* |
| 131 * Shutdown shared decoder and replace it with | |
| 132 * _do_nothing_decoder. Do nothing with error handler | |
| 133 * instance, since the JVM is going down. | |
| 134 */ | |
| 4803 | 135 void Decoder::shutdown() { |
| 4917 | 136 assert(_shared_decoder_lock != NULL, "Just check"); |
| 137 MutexLockerEx locker(_shared_decoder_lock, true); | |
| 4803 | 138 |
| 4917 | 139 if (_shared_decoder != NULL && |
| 140 _shared_decoder != &_do_nothing_decoder) { | |
| 141 delete _shared_decoder; | |
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142 } |
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143 |
| 4917 | 144 _shared_decoder = &_do_nothing_decoder; |
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145 } |
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146 |