Mercurial > hg > truffle
annotate src/share/vm/code/debugInfo.cpp @ 10408:836a62f43af9
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Wed, 19 Jun 2013 10:45:56 +0200 |
| parents | b8f261ba79c6 |
| children | 52b4284cb496 |
| rev | line source |
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| 0 | 1 /* |
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2 * Copyright (c) 1997, 2012, 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 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "code/debugInfo.hpp" | |
| 27 #include "code/debugInfoRec.hpp" | |
| 28 #include "code/nmethod.hpp" | |
| 29 #include "runtime/handles.inline.hpp" | |
| 0 | 30 |
| 31 // Comstructors | |
| 32 | |
| 33 DebugInfoWriteStream::DebugInfoWriteStream(DebugInformationRecorder* recorder, int initial_size) | |
| 34 : CompressedWriteStream(initial_size) { | |
| 35 _recorder = recorder; | |
| 36 } | |
| 37 | |
| 38 // Serializing oops | |
| 39 | |
| 40 void DebugInfoWriteStream::write_handle(jobject h) { | |
| 41 write_int(recorder()->oop_recorder()->find_index(h)); | |
| 42 } | |
| 43 | |
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44 void DebugInfoWriteStream::write_metadata(Metadata* h) { |
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45 write_int(recorder()->oop_recorder()->find_index(h)); |
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46 } |
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47 |
| 0 | 48 ScopeValue* DebugInfoReadStream::read_object_value() { |
| 49 int id = read_int(); | |
| 50 #ifdef ASSERT | |
| 51 assert(_obj_pool != NULL, "object pool does not exist"); | |
| 52 for (int i = _obj_pool->length() - 1; i >= 0; i--) { | |
| 53 assert(((ObjectValue*) _obj_pool->at(i))->id() != id, "should not be read twice"); | |
| 54 } | |
| 55 #endif | |
| 56 ObjectValue* result = new ObjectValue(id); | |
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57 // Cache the object since an object field could reference it. |
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58 _obj_pool->push(result); |
| 0 | 59 result->read_object(this); |
| 60 return result; | |
| 61 } | |
| 62 | |
| 63 ScopeValue* DebugInfoReadStream::get_cached_object() { | |
| 64 int id = read_int(); | |
| 65 assert(_obj_pool != NULL, "object pool does not exist"); | |
| 66 for (int i = _obj_pool->length() - 1; i >= 0; i--) { | |
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67 ObjectValue* ov = (ObjectValue*) _obj_pool->at(i); |
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68 if (ov->id() == id) { |
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69 return ov; |
| 0 | 70 } |
| 71 } | |
| 72 ShouldNotReachHere(); | |
| 73 return NULL; | |
| 74 } | |
| 75 | |
| 76 // Serializing scope values | |
| 77 | |
| 78 enum { LOCATION_CODE = 0, CONSTANT_INT_CODE = 1, CONSTANT_OOP_CODE = 2, | |
| 79 CONSTANT_LONG_CODE = 3, CONSTANT_DOUBLE_CODE = 4, | |
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80 OBJECT_CODE = 5, OBJECT_ID_CODE = 6 }; |
| 0 | 81 |
| 82 ScopeValue* ScopeValue::read_from(DebugInfoReadStream* stream) { | |
| 83 ScopeValue* result = NULL; | |
| 84 switch(stream->read_int()) { | |
| 85 case LOCATION_CODE: result = new LocationValue(stream); break; | |
| 86 case CONSTANT_INT_CODE: result = new ConstantIntValue(stream); break; | |
| 87 case CONSTANT_OOP_CODE: result = new ConstantOopReadValue(stream); break; | |
| 88 case CONSTANT_LONG_CODE: result = new ConstantLongValue(stream); break; | |
| 89 case CONSTANT_DOUBLE_CODE: result = new ConstantDoubleValue(stream); break; | |
| 90 case OBJECT_CODE: result = stream->read_object_value(); break; | |
| 91 case OBJECT_ID_CODE: result = stream->get_cached_object(); break; | |
| 92 default: ShouldNotReachHere(); | |
| 93 } | |
| 94 return result; | |
| 95 } | |
| 96 | |
| 97 // LocationValue | |
| 98 | |
| 99 LocationValue::LocationValue(DebugInfoReadStream* stream) { | |
| 100 _location = Location(stream); | |
| 101 } | |
| 102 | |
| 103 void LocationValue::write_on(DebugInfoWriteStream* stream) { | |
| 104 stream->write_int(LOCATION_CODE); | |
| 105 location().write_on(stream); | |
| 106 } | |
| 107 | |
| 108 void LocationValue::print_on(outputStream* st) const { | |
| 109 location().print_on(st); | |
| 110 } | |
| 111 | |
| 112 // ObjectValue | |
| 113 | |
| 114 void ObjectValue::read_object(DebugInfoReadStream* stream) { | |
| 115 _klass = read_from(stream); | |
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116 assert(_klass->is_constant_oop(), "should be constant java mirror oop"); |
| 0 | 117 int length = stream->read_int(); |
| 118 for (int i = 0; i < length; i++) { | |
| 119 ScopeValue* val = read_from(stream); | |
| 120 _field_values.append(val); | |
| 121 } | |
| 122 } | |
| 123 | |
| 124 void ObjectValue::write_on(DebugInfoWriteStream* stream) { | |
| 125 if (_visited) { | |
| 126 stream->write_int(OBJECT_ID_CODE); | |
| 127 stream->write_int(_id); | |
| 128 } else { | |
| 129 _visited = true; | |
| 130 stream->write_int(OBJECT_CODE); | |
| 131 stream->write_int(_id); | |
| 132 _klass->write_on(stream); | |
| 133 int length = _field_values.length(); | |
| 134 stream->write_int(length); | |
| 135 for (int i = 0; i < length; i++) { | |
| 136 _field_values.at(i)->write_on(stream); | |
| 137 } | |
| 138 } | |
| 139 } | |
| 140 | |
| 141 void ObjectValue::print_on(outputStream* st) const { | |
| 142 st->print("obj[%d]", _id); | |
| 143 } | |
| 144 | |
| 145 void ObjectValue::print_fields_on(outputStream* st) const { | |
| 146 #ifndef PRODUCT | |
| 147 if (_field_values.length() > 0) { | |
| 148 _field_values.at(0)->print_on(st); | |
| 149 } | |
| 150 for (int i = 1; i < _field_values.length(); i++) { | |
| 151 st->print(", "); | |
| 152 _field_values.at(i)->print_on(st); | |
| 153 } | |
| 154 #endif | |
| 155 } | |
| 156 | |
| 157 // ConstantIntValue | |
| 158 | |
| 159 ConstantIntValue::ConstantIntValue(DebugInfoReadStream* stream) { | |
| 160 _value = stream->read_signed_int(); | |
| 161 } | |
| 162 | |
| 163 void ConstantIntValue::write_on(DebugInfoWriteStream* stream) { | |
| 164 stream->write_int(CONSTANT_INT_CODE); | |
| 165 stream->write_signed_int(value()); | |
| 166 } | |
| 167 | |
| 168 void ConstantIntValue::print_on(outputStream* st) const { | |
| 169 st->print("%d", value()); | |
| 170 } | |
| 171 | |
| 172 // ConstantLongValue | |
| 173 | |
| 174 ConstantLongValue::ConstantLongValue(DebugInfoReadStream* stream) { | |
| 175 _value = stream->read_long(); | |
| 176 } | |
| 177 | |
| 178 void ConstantLongValue::write_on(DebugInfoWriteStream* stream) { | |
| 179 stream->write_int(CONSTANT_LONG_CODE); | |
| 180 stream->write_long(value()); | |
| 181 } | |
| 182 | |
| 183 void ConstantLongValue::print_on(outputStream* st) const { | |
| 184 st->print(INT64_FORMAT, value()); | |
| 185 } | |
| 186 | |
| 187 // ConstantDoubleValue | |
| 188 | |
| 189 ConstantDoubleValue::ConstantDoubleValue(DebugInfoReadStream* stream) { | |
| 190 _value = stream->read_double(); | |
| 191 } | |
| 192 | |
| 193 void ConstantDoubleValue::write_on(DebugInfoWriteStream* stream) { | |
| 194 stream->write_int(CONSTANT_DOUBLE_CODE); | |
| 195 stream->write_double(value()); | |
| 196 } | |
| 197 | |
| 198 void ConstantDoubleValue::print_on(outputStream* st) const { | |
| 199 st->print("%f", value()); | |
| 200 } | |
| 201 | |
| 202 // ConstantOopWriteValue | |
| 203 | |
| 204 void ConstantOopWriteValue::write_on(DebugInfoWriteStream* stream) { | |
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205 assert(JNIHandles::resolve(value()) == NULL || |
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206 Universe::heap()->is_in_reserved(JNIHandles::resolve(value())), |
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207 "Should be in heap"); |
| 0 | 208 stream->write_int(CONSTANT_OOP_CODE); |
| 209 stream->write_handle(value()); | |
| 210 } | |
| 211 | |
| 212 void ConstantOopWriteValue::print_on(outputStream* st) const { | |
| 213 JNIHandles::resolve(value())->print_value_on(st); | |
| 214 } | |
| 215 | |
| 216 | |
| 217 // ConstantOopReadValue | |
| 218 | |
| 219 ConstantOopReadValue::ConstantOopReadValue(DebugInfoReadStream* stream) { | |
| 220 _value = Handle(stream->read_oop()); | |
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221 assert(_value() == NULL || |
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222 Universe::heap()->is_in_reserved(_value()), "Should be in heap"); |
| 0 | 223 } |
| 224 | |
| 225 void ConstantOopReadValue::write_on(DebugInfoWriteStream* stream) { | |
| 226 ShouldNotReachHere(); | |
| 227 } | |
| 228 | |
| 229 void ConstantOopReadValue::print_on(outputStream* st) const { | |
| 230 value()()->print_value_on(st); | |
| 231 } | |
| 232 | |
| 233 | |
| 234 // MonitorValue | |
| 235 | |
| 236 MonitorValue::MonitorValue(ScopeValue* owner, Location basic_lock, bool eliminated) { | |
| 237 _owner = owner; | |
| 238 _basic_lock = basic_lock; | |
| 239 _eliminated = eliminated; | |
| 240 } | |
| 241 | |
| 242 MonitorValue::MonitorValue(DebugInfoReadStream* stream) { | |
| 243 _basic_lock = Location(stream); | |
| 244 _owner = ScopeValue::read_from(stream); | |
| 245 _eliminated = (stream->read_bool() != 0); | |
| 246 } | |
| 247 | |
| 248 void MonitorValue::write_on(DebugInfoWriteStream* stream) { | |
| 249 _basic_lock.write_on(stream); | |
| 250 _owner->write_on(stream); | |
| 251 stream->write_bool(_eliminated); | |
| 252 } | |
| 253 | |
| 254 #ifndef PRODUCT | |
| 255 void MonitorValue::print_on(outputStream* st) const { | |
| 256 st->print("monitor{"); | |
| 257 owner()->print_on(st); | |
| 258 st->print(","); | |
| 259 basic_lock().print_on(st); | |
| 260 st->print("}"); | |
| 261 if (_eliminated) { | |
| 262 st->print(" (eliminated)"); | |
| 263 } | |
| 264 } | |
| 265 #endif |