Mercurial > hg > truffle
annotate src/share/vm/code/debugInfo.cpp @ 1552:c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair
| author | trims |
|---|---|
| date | Thu, 27 May 2010 19:08:38 -0700 |
| parents | d1605aabd0a1 |
| children | f95d63e2154a |
| rev | line source |
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| 0 | 1 /* |
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2 * Copyright (c) 1997, 2008, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
|
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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. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 # include "incls/_precompiled.incl" | |
| 26 # include "incls/_debugInfo.cpp.incl" | |
| 27 | |
| 28 // Comstructors | |
| 29 | |
| 30 DebugInfoWriteStream::DebugInfoWriteStream(DebugInformationRecorder* recorder, int initial_size) | |
| 31 : CompressedWriteStream(initial_size) { | |
| 32 _recorder = recorder; | |
| 33 } | |
| 34 | |
| 35 // Serializing oops | |
| 36 | |
| 37 void DebugInfoWriteStream::write_handle(jobject h) { | |
| 38 write_int(recorder()->oop_recorder()->find_index(h)); | |
| 39 } | |
| 40 | |
| 41 ScopeValue* DebugInfoReadStream::read_object_value() { | |
| 42 int id = read_int(); | |
| 43 #ifdef ASSERT | |
| 44 assert(_obj_pool != NULL, "object pool does not exist"); | |
| 45 for (int i = _obj_pool->length() - 1; i >= 0; i--) { | |
| 46 assert(((ObjectValue*) _obj_pool->at(i))->id() != id, "should not be read twice"); | |
| 47 } | |
| 48 #endif | |
| 49 ObjectValue* result = new ObjectValue(id); | |
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50 // Cache the object since an object field could reference it. |
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51 _obj_pool->push(result); |
| 0 | 52 result->read_object(this); |
| 53 return result; | |
| 54 } | |
| 55 | |
| 56 ScopeValue* DebugInfoReadStream::get_cached_object() { | |
| 57 int id = read_int(); | |
| 58 assert(_obj_pool != NULL, "object pool does not exist"); | |
| 59 for (int i = _obj_pool->length() - 1; i >= 0; i--) { | |
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60 ObjectValue* ov = (ObjectValue*) _obj_pool->at(i); |
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61 if (ov->id() == id) { |
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62 return ov; |
| 0 | 63 } |
| 64 } | |
| 65 ShouldNotReachHere(); | |
| 66 return NULL; | |
| 67 } | |
| 68 | |
| 69 // Serializing scope values | |
| 70 | |
| 71 enum { LOCATION_CODE = 0, CONSTANT_INT_CODE = 1, CONSTANT_OOP_CODE = 2, | |
| 72 CONSTANT_LONG_CODE = 3, CONSTANT_DOUBLE_CODE = 4, | |
| 73 OBJECT_CODE = 5, OBJECT_ID_CODE = 6 }; | |
| 74 | |
| 75 ScopeValue* ScopeValue::read_from(DebugInfoReadStream* stream) { | |
| 76 ScopeValue* result = NULL; | |
| 77 switch(stream->read_int()) { | |
| 78 case LOCATION_CODE: result = new LocationValue(stream); break; | |
| 79 case CONSTANT_INT_CODE: result = new ConstantIntValue(stream); break; | |
| 80 case CONSTANT_OOP_CODE: result = new ConstantOopReadValue(stream); break; | |
| 81 case CONSTANT_LONG_CODE: result = new ConstantLongValue(stream); break; | |
| 82 case CONSTANT_DOUBLE_CODE: result = new ConstantDoubleValue(stream); break; | |
| 83 case OBJECT_CODE: result = stream->read_object_value(); break; | |
| 84 case OBJECT_ID_CODE: result = stream->get_cached_object(); break; | |
| 85 default: ShouldNotReachHere(); | |
| 86 } | |
| 87 return result; | |
| 88 } | |
| 89 | |
| 90 // LocationValue | |
| 91 | |
| 92 LocationValue::LocationValue(DebugInfoReadStream* stream) { | |
| 93 _location = Location(stream); | |
| 94 } | |
| 95 | |
| 96 void LocationValue::write_on(DebugInfoWriteStream* stream) { | |
| 97 stream->write_int(LOCATION_CODE); | |
| 98 location().write_on(stream); | |
| 99 } | |
| 100 | |
| 101 void LocationValue::print_on(outputStream* st) const { | |
| 102 location().print_on(st); | |
| 103 } | |
| 104 | |
| 105 // ObjectValue | |
| 106 | |
| 107 void ObjectValue::read_object(DebugInfoReadStream* stream) { | |
| 108 _klass = read_from(stream); | |
| 109 assert(_klass->is_constant_oop(), "should be constant klass oop"); | |
| 110 int length = stream->read_int(); | |
| 111 for (int i = 0; i < length; i++) { | |
| 112 ScopeValue* val = read_from(stream); | |
| 113 _field_values.append(val); | |
| 114 } | |
| 115 } | |
| 116 | |
| 117 void ObjectValue::write_on(DebugInfoWriteStream* stream) { | |
| 118 if (_visited) { | |
| 119 stream->write_int(OBJECT_ID_CODE); | |
| 120 stream->write_int(_id); | |
| 121 } else { | |
| 122 _visited = true; | |
| 123 stream->write_int(OBJECT_CODE); | |
| 124 stream->write_int(_id); | |
| 125 _klass->write_on(stream); | |
| 126 int length = _field_values.length(); | |
| 127 stream->write_int(length); | |
| 128 for (int i = 0; i < length; i++) { | |
| 129 _field_values.at(i)->write_on(stream); | |
| 130 } | |
| 131 } | |
| 132 } | |
| 133 | |
| 134 void ObjectValue::print_on(outputStream* st) const { | |
| 135 st->print("obj[%d]", _id); | |
| 136 } | |
| 137 | |
| 138 void ObjectValue::print_fields_on(outputStream* st) const { | |
| 139 #ifndef PRODUCT | |
| 140 if (_field_values.length() > 0) { | |
| 141 _field_values.at(0)->print_on(st); | |
| 142 } | |
| 143 for (int i = 1; i < _field_values.length(); i++) { | |
| 144 st->print(", "); | |
| 145 _field_values.at(i)->print_on(st); | |
| 146 } | |
| 147 #endif | |
| 148 } | |
| 149 | |
| 150 // ConstantIntValue | |
| 151 | |
| 152 ConstantIntValue::ConstantIntValue(DebugInfoReadStream* stream) { | |
| 153 _value = stream->read_signed_int(); | |
| 154 } | |
| 155 | |
| 156 void ConstantIntValue::write_on(DebugInfoWriteStream* stream) { | |
| 157 stream->write_int(CONSTANT_INT_CODE); | |
| 158 stream->write_signed_int(value()); | |
| 159 } | |
| 160 | |
| 161 void ConstantIntValue::print_on(outputStream* st) const { | |
| 162 st->print("%d", value()); | |
| 163 } | |
| 164 | |
| 165 // ConstantLongValue | |
| 166 | |
| 167 ConstantLongValue::ConstantLongValue(DebugInfoReadStream* stream) { | |
| 168 _value = stream->read_long(); | |
| 169 } | |
| 170 | |
| 171 void ConstantLongValue::write_on(DebugInfoWriteStream* stream) { | |
| 172 stream->write_int(CONSTANT_LONG_CODE); | |
| 173 stream->write_long(value()); | |
| 174 } | |
| 175 | |
| 176 void ConstantLongValue::print_on(outputStream* st) const { | |
| 177 st->print(INT64_FORMAT, value()); | |
| 178 } | |
| 179 | |
| 180 // ConstantDoubleValue | |
| 181 | |
| 182 ConstantDoubleValue::ConstantDoubleValue(DebugInfoReadStream* stream) { | |
| 183 _value = stream->read_double(); | |
| 184 } | |
| 185 | |
| 186 void ConstantDoubleValue::write_on(DebugInfoWriteStream* stream) { | |
| 187 stream->write_int(CONSTANT_DOUBLE_CODE); | |
| 188 stream->write_double(value()); | |
| 189 } | |
| 190 | |
| 191 void ConstantDoubleValue::print_on(outputStream* st) const { | |
| 192 st->print("%f", value()); | |
| 193 } | |
| 194 | |
| 195 // ConstantOopWriteValue | |
| 196 | |
| 197 void ConstantOopWriteValue::write_on(DebugInfoWriteStream* stream) { | |
| 198 stream->write_int(CONSTANT_OOP_CODE); | |
| 199 stream->write_handle(value()); | |
| 200 } | |
| 201 | |
| 202 void ConstantOopWriteValue::print_on(outputStream* st) const { | |
| 203 JNIHandles::resolve(value())->print_value_on(st); | |
| 204 } | |
| 205 | |
| 206 | |
| 207 // ConstantOopReadValue | |
| 208 | |
| 209 ConstantOopReadValue::ConstantOopReadValue(DebugInfoReadStream* stream) { | |
| 210 _value = Handle(stream->read_oop()); | |
| 211 } | |
| 212 | |
| 213 void ConstantOopReadValue::write_on(DebugInfoWriteStream* stream) { | |
| 214 ShouldNotReachHere(); | |
| 215 } | |
| 216 | |
| 217 void ConstantOopReadValue::print_on(outputStream* st) const { | |
| 218 value()()->print_value_on(st); | |
| 219 } | |
| 220 | |
| 221 | |
| 222 // MonitorValue | |
| 223 | |
| 224 MonitorValue::MonitorValue(ScopeValue* owner, Location basic_lock, bool eliminated) { | |
| 225 _owner = owner; | |
| 226 _basic_lock = basic_lock; | |
| 227 _eliminated = eliminated; | |
| 228 } | |
| 229 | |
| 230 MonitorValue::MonitorValue(DebugInfoReadStream* stream) { | |
| 231 _basic_lock = Location(stream); | |
| 232 _owner = ScopeValue::read_from(stream); | |
| 233 _eliminated = (stream->read_bool() != 0); | |
| 234 } | |
| 235 | |
| 236 void MonitorValue::write_on(DebugInfoWriteStream* stream) { | |
| 237 _basic_lock.write_on(stream); | |
| 238 _owner->write_on(stream); | |
| 239 stream->write_bool(_eliminated); | |
| 240 } | |
| 241 | |
| 242 #ifndef PRODUCT | |
| 243 void MonitorValue::print_on(outputStream* st) const { | |
| 244 st->print("monitor{"); | |
| 245 owner()->print_on(st); | |
| 246 st->print(","); | |
| 247 basic_lock().print_on(st); | |
| 248 st->print("}"); | |
| 249 if (_eliminated) { | |
| 250 st->print(" (eliminated)"); | |
| 251 } | |
| 252 } | |
| 253 #endif |