Tue, 05 Jan 2010 16:12:26 -0800
6914002: unsigned compare problem after 5057818
Reviewed-by: kvn, twisti
duke@435 | 1 | /* |
xdono@631 | 2 | * Copyright 1997-2008 Sun Microsystems, Inc. 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 | * |
duke@435 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
duke@435 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
duke@435 | 21 | * have any questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
duke@435 | 25 | # include "incls/_precompiled.incl" |
duke@435 | 26 | # include "incls/_debugInfo.cpp.incl" |
duke@435 | 27 | |
duke@435 | 28 | // Comstructors |
duke@435 | 29 | |
duke@435 | 30 | DebugInfoWriteStream::DebugInfoWriteStream(DebugInformationRecorder* recorder, int initial_size) |
duke@435 | 31 | : CompressedWriteStream(initial_size) { |
duke@435 | 32 | _recorder = recorder; |
duke@435 | 33 | } |
duke@435 | 34 | |
duke@435 | 35 | // Serializing oops |
duke@435 | 36 | |
duke@435 | 37 | void DebugInfoWriteStream::write_handle(jobject h) { |
duke@435 | 38 | write_int(recorder()->oop_recorder()->find_index(h)); |
duke@435 | 39 | } |
duke@435 | 40 | |
duke@435 | 41 | ScopeValue* DebugInfoReadStream::read_object_value() { |
duke@435 | 42 | int id = read_int(); |
duke@435 | 43 | #ifdef ASSERT |
duke@435 | 44 | assert(_obj_pool != NULL, "object pool does not exist"); |
duke@435 | 45 | for (int i = _obj_pool->length() - 1; i >= 0; i--) { |
duke@435 | 46 | assert(((ObjectValue*) _obj_pool->at(i))->id() != id, "should not be read twice"); |
duke@435 | 47 | } |
duke@435 | 48 | #endif |
duke@435 | 49 | ObjectValue* result = new ObjectValue(id); |
kvn@479 | 50 | // Cache the object since an object field could reference it. |
kvn@479 | 51 | _obj_pool->push(result); |
duke@435 | 52 | result->read_object(this); |
duke@435 | 53 | return result; |
duke@435 | 54 | } |
duke@435 | 55 | |
duke@435 | 56 | ScopeValue* DebugInfoReadStream::get_cached_object() { |
duke@435 | 57 | int id = read_int(); |
duke@435 | 58 | assert(_obj_pool != NULL, "object pool does not exist"); |
duke@435 | 59 | for (int i = _obj_pool->length() - 1; i >= 0; i--) { |
kvn@479 | 60 | ObjectValue* ov = (ObjectValue*) _obj_pool->at(i); |
kvn@479 | 61 | if (ov->id() == id) { |
kvn@479 | 62 | return ov; |
duke@435 | 63 | } |
duke@435 | 64 | } |
duke@435 | 65 | ShouldNotReachHere(); |
duke@435 | 66 | return NULL; |
duke@435 | 67 | } |
duke@435 | 68 | |
duke@435 | 69 | // Serializing scope values |
duke@435 | 70 | |
duke@435 | 71 | enum { LOCATION_CODE = 0, CONSTANT_INT_CODE = 1, CONSTANT_OOP_CODE = 2, |
duke@435 | 72 | CONSTANT_LONG_CODE = 3, CONSTANT_DOUBLE_CODE = 4, |
duke@435 | 73 | OBJECT_CODE = 5, OBJECT_ID_CODE = 6 }; |
duke@435 | 74 | |
duke@435 | 75 | ScopeValue* ScopeValue::read_from(DebugInfoReadStream* stream) { |
duke@435 | 76 | ScopeValue* result = NULL; |
duke@435 | 77 | switch(stream->read_int()) { |
duke@435 | 78 | case LOCATION_CODE: result = new LocationValue(stream); break; |
duke@435 | 79 | case CONSTANT_INT_CODE: result = new ConstantIntValue(stream); break; |
duke@435 | 80 | case CONSTANT_OOP_CODE: result = new ConstantOopReadValue(stream); break; |
duke@435 | 81 | case CONSTANT_LONG_CODE: result = new ConstantLongValue(stream); break; |
duke@435 | 82 | case CONSTANT_DOUBLE_CODE: result = new ConstantDoubleValue(stream); break; |
duke@435 | 83 | case OBJECT_CODE: result = stream->read_object_value(); break; |
duke@435 | 84 | case OBJECT_ID_CODE: result = stream->get_cached_object(); break; |
duke@435 | 85 | default: ShouldNotReachHere(); |
duke@435 | 86 | } |
duke@435 | 87 | return result; |
duke@435 | 88 | } |
duke@435 | 89 | |
duke@435 | 90 | // LocationValue |
duke@435 | 91 | |
duke@435 | 92 | LocationValue::LocationValue(DebugInfoReadStream* stream) { |
duke@435 | 93 | _location = Location(stream); |
duke@435 | 94 | } |
duke@435 | 95 | |
duke@435 | 96 | void LocationValue::write_on(DebugInfoWriteStream* stream) { |
duke@435 | 97 | stream->write_int(LOCATION_CODE); |
duke@435 | 98 | location().write_on(stream); |
duke@435 | 99 | } |
duke@435 | 100 | |
duke@435 | 101 | void LocationValue::print_on(outputStream* st) const { |
duke@435 | 102 | location().print_on(st); |
duke@435 | 103 | } |
duke@435 | 104 | |
duke@435 | 105 | // ObjectValue |
duke@435 | 106 | |
duke@435 | 107 | void ObjectValue::read_object(DebugInfoReadStream* stream) { |
duke@435 | 108 | _klass = read_from(stream); |
duke@435 | 109 | assert(_klass->is_constant_oop(), "should be constant klass oop"); |
duke@435 | 110 | int length = stream->read_int(); |
duke@435 | 111 | for (int i = 0; i < length; i++) { |
duke@435 | 112 | ScopeValue* val = read_from(stream); |
duke@435 | 113 | _field_values.append(val); |
duke@435 | 114 | } |
duke@435 | 115 | } |
duke@435 | 116 | |
duke@435 | 117 | void ObjectValue::write_on(DebugInfoWriteStream* stream) { |
duke@435 | 118 | if (_visited) { |
duke@435 | 119 | stream->write_int(OBJECT_ID_CODE); |
duke@435 | 120 | stream->write_int(_id); |
duke@435 | 121 | } else { |
duke@435 | 122 | _visited = true; |
duke@435 | 123 | stream->write_int(OBJECT_CODE); |
duke@435 | 124 | stream->write_int(_id); |
duke@435 | 125 | _klass->write_on(stream); |
duke@435 | 126 | int length = _field_values.length(); |
duke@435 | 127 | stream->write_int(length); |
duke@435 | 128 | for (int i = 0; i < length; i++) { |
duke@435 | 129 | _field_values.at(i)->write_on(stream); |
duke@435 | 130 | } |
duke@435 | 131 | } |
duke@435 | 132 | } |
duke@435 | 133 | |
duke@435 | 134 | void ObjectValue::print_on(outputStream* st) const { |
duke@435 | 135 | st->print("obj[%d]", _id); |
duke@435 | 136 | } |
duke@435 | 137 | |
duke@435 | 138 | void ObjectValue::print_fields_on(outputStream* st) const { |
duke@435 | 139 | #ifndef PRODUCT |
duke@435 | 140 | if (_field_values.length() > 0) { |
duke@435 | 141 | _field_values.at(0)->print_on(st); |
duke@435 | 142 | } |
duke@435 | 143 | for (int i = 1; i < _field_values.length(); i++) { |
duke@435 | 144 | st->print(", "); |
duke@435 | 145 | _field_values.at(i)->print_on(st); |
duke@435 | 146 | } |
duke@435 | 147 | #endif |
duke@435 | 148 | } |
duke@435 | 149 | |
duke@435 | 150 | // ConstantIntValue |
duke@435 | 151 | |
duke@435 | 152 | ConstantIntValue::ConstantIntValue(DebugInfoReadStream* stream) { |
duke@435 | 153 | _value = stream->read_signed_int(); |
duke@435 | 154 | } |
duke@435 | 155 | |
duke@435 | 156 | void ConstantIntValue::write_on(DebugInfoWriteStream* stream) { |
duke@435 | 157 | stream->write_int(CONSTANT_INT_CODE); |
duke@435 | 158 | stream->write_signed_int(value()); |
duke@435 | 159 | } |
duke@435 | 160 | |
duke@435 | 161 | void ConstantIntValue::print_on(outputStream* st) const { |
duke@435 | 162 | st->print("%d", value()); |
duke@435 | 163 | } |
duke@435 | 164 | |
duke@435 | 165 | // ConstantLongValue |
duke@435 | 166 | |
duke@435 | 167 | ConstantLongValue::ConstantLongValue(DebugInfoReadStream* stream) { |
duke@435 | 168 | _value = stream->read_long(); |
duke@435 | 169 | } |
duke@435 | 170 | |
duke@435 | 171 | void ConstantLongValue::write_on(DebugInfoWriteStream* stream) { |
duke@435 | 172 | stream->write_int(CONSTANT_LONG_CODE); |
duke@435 | 173 | stream->write_long(value()); |
duke@435 | 174 | } |
duke@435 | 175 | |
duke@435 | 176 | void ConstantLongValue::print_on(outputStream* st) const { |
duke@435 | 177 | st->print(INT64_FORMAT, value()); |
duke@435 | 178 | } |
duke@435 | 179 | |
duke@435 | 180 | // ConstantDoubleValue |
duke@435 | 181 | |
duke@435 | 182 | ConstantDoubleValue::ConstantDoubleValue(DebugInfoReadStream* stream) { |
duke@435 | 183 | _value = stream->read_double(); |
duke@435 | 184 | } |
duke@435 | 185 | |
duke@435 | 186 | void ConstantDoubleValue::write_on(DebugInfoWriteStream* stream) { |
duke@435 | 187 | stream->write_int(CONSTANT_DOUBLE_CODE); |
duke@435 | 188 | stream->write_double(value()); |
duke@435 | 189 | } |
duke@435 | 190 | |
duke@435 | 191 | void ConstantDoubleValue::print_on(outputStream* st) const { |
duke@435 | 192 | st->print("%f", value()); |
duke@435 | 193 | } |
duke@435 | 194 | |
duke@435 | 195 | // ConstantOopWriteValue |
duke@435 | 196 | |
duke@435 | 197 | void ConstantOopWriteValue::write_on(DebugInfoWriteStream* stream) { |
duke@435 | 198 | stream->write_int(CONSTANT_OOP_CODE); |
duke@435 | 199 | stream->write_handle(value()); |
duke@435 | 200 | } |
duke@435 | 201 | |
duke@435 | 202 | void ConstantOopWriteValue::print_on(outputStream* st) const { |
duke@435 | 203 | JNIHandles::resolve(value())->print_value_on(st); |
duke@435 | 204 | } |
duke@435 | 205 | |
duke@435 | 206 | |
duke@435 | 207 | // ConstantOopReadValue |
duke@435 | 208 | |
duke@435 | 209 | ConstantOopReadValue::ConstantOopReadValue(DebugInfoReadStream* stream) { |
duke@435 | 210 | _value = Handle(stream->read_oop()); |
duke@435 | 211 | } |
duke@435 | 212 | |
duke@435 | 213 | void ConstantOopReadValue::write_on(DebugInfoWriteStream* stream) { |
duke@435 | 214 | ShouldNotReachHere(); |
duke@435 | 215 | } |
duke@435 | 216 | |
duke@435 | 217 | void ConstantOopReadValue::print_on(outputStream* st) const { |
duke@435 | 218 | value()()->print_value_on(st); |
duke@435 | 219 | } |
duke@435 | 220 | |
duke@435 | 221 | |
duke@435 | 222 | // MonitorValue |
duke@435 | 223 | |
duke@435 | 224 | MonitorValue::MonitorValue(ScopeValue* owner, Location basic_lock, bool eliminated) { |
duke@435 | 225 | _owner = owner; |
duke@435 | 226 | _basic_lock = basic_lock; |
duke@435 | 227 | _eliminated = eliminated; |
duke@435 | 228 | } |
duke@435 | 229 | |
duke@435 | 230 | MonitorValue::MonitorValue(DebugInfoReadStream* stream) { |
duke@435 | 231 | _basic_lock = Location(stream); |
duke@435 | 232 | _owner = ScopeValue::read_from(stream); |
duke@435 | 233 | _eliminated = (stream->read_bool() != 0); |
duke@435 | 234 | } |
duke@435 | 235 | |
duke@435 | 236 | void MonitorValue::write_on(DebugInfoWriteStream* stream) { |
duke@435 | 237 | _basic_lock.write_on(stream); |
duke@435 | 238 | _owner->write_on(stream); |
duke@435 | 239 | stream->write_bool(_eliminated); |
duke@435 | 240 | } |
duke@435 | 241 | |
duke@435 | 242 | #ifndef PRODUCT |
duke@435 | 243 | void MonitorValue::print_on(outputStream* st) const { |
duke@435 | 244 | st->print("monitor{"); |
duke@435 | 245 | owner()->print_on(st); |
duke@435 | 246 | st->print(","); |
duke@435 | 247 | basic_lock().print_on(st); |
duke@435 | 248 | st->print("}"); |
duke@435 | 249 | if (_eliminated) { |
duke@435 | 250 | st->print(" (eliminated)"); |
duke@435 | 251 | } |
duke@435 | 252 | } |
duke@435 | 253 | #endif |