jdk8-mips64-public/hotspot: comparison src/share/vm/code/debugInfo.cpp

--1:000000000000
+:f90c822e73f8
+/*
+* Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
+* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+*
+* This code is free software; you can redistribute it and/or modify it
+* under the terms of the GNU General Public License version 2 only, as
+* published by the Free Software Foundation.
+*
+* This code is distributed in the hope that it will be useful, but WITHOUT
+* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+* FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+* version 2 for more details (a copy is included in the LICENSE file that
+* accompanied this code).
+*
+* You should have received a copy of the GNU General Public License version
+* 2 along with this work; if not, write to the Free Software Foundation,
+* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+*
+* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+* or visit www.oracle.com if you need additional information or have any
+* questions.
+*
+*/
+#include "precompiled.hpp"
+#include "code/debugInfo.hpp"
+#include "code/debugInfoRec.hpp"
+#include "code/nmethod.hpp"
+#include "runtime/handles.inline.hpp"
+PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
+// Constructors
+DebugInfoWriteStream::DebugInfoWriteStream(DebugInformationRecorder* recorder, int initial_size)
+: CompressedWriteStream(initial_size) {
+_recorder = recorder;
+}
+// Serializing oops
+void DebugInfoWriteStream::write_handle(jobject h) {
+write_int(recorder()->oop_recorder()->find_index(h));
+}
+void DebugInfoWriteStream::write_metadata(Metadata* h) {
+write_int(recorder()->oop_recorder()->find_index(h));
+}
+ScopeValue* DebugInfoReadStream::read_object_value() {
+int id = read_int();
+#ifdef ASSERT
+assert(_obj_pool != NULL, "object pool does not exist");
+for (int i = _obj_pool->length() - 1; i >= 0; i--) {
+assert(((ObjectValue*) _obj_pool->at(i))->id() != id, "should not be read twice");
+}
+#endif
+ObjectValue* result = new ObjectValue(id);
+// Cache the object since an object field could reference it.
+_obj_pool->push(result);
+result->read_object(this);
+return result;
+}
+ScopeValue* DebugInfoReadStream::get_cached_object() {
+int id = read_int();
+assert(_obj_pool != NULL, "object pool does not exist");
+for (int i = _obj_pool->length() - 1; i >= 0; i--) {
+ObjectValue* ov = (ObjectValue*) _obj_pool->at(i);
+if (ov->id() == id) {
+return ov;
+}
+}
+ShouldNotReachHere();
+return NULL;
+}
+// Serializing scope values
+enum { LOCATION_CODE = 0, CONSTANT_INT_CODE = 1,  CONSTANT_OOP_CODE = 2,
+CONSTANT_LONG_CODE = 3, CONSTANT_DOUBLE_CODE = 4,
+OBJECT_CODE = 5,        OBJECT_ID_CODE = 6 };
+ScopeValue* ScopeValue::read_from(DebugInfoReadStream* stream) {
+ScopeValue* result = NULL;
+switch(stream->read_int()) {
+case LOCATION_CODE:        result = new LocationValue(stream);        break;
+case CONSTANT_INT_CODE:    result = new ConstantIntValue(stream);     break;
+case CONSTANT_OOP_CODE:    result = new ConstantOopReadValue(stream); break;
+case CONSTANT_LONG_CODE:   result = new ConstantLongValue(stream);    break;
+case CONSTANT_DOUBLE_CODE: result = new ConstantDoubleValue(stream);  break;
+case OBJECT_CODE:          result = stream->read_object_value();      break;
+case OBJECT_ID_CODE:       result = stream->get_cached_object();      break;
+default: ShouldNotReachHere();
+}
+return result;
+}
+// LocationValue
+LocationValue::LocationValue(DebugInfoReadStream* stream) {
+_location = Location(stream);
+}
+void LocationValue::write_on(DebugInfoWriteStream* stream) {
+stream->write_int(LOCATION_CODE);
+location().write_on(stream);
+}
+void LocationValue::print_on(outputStream* st) const {
+location().print_on(st);
+}
+// ObjectValue
+void ObjectValue::read_object(DebugInfoReadStream* stream) {
+_klass = read_from(stream);
+assert(_klass->is_constant_oop(), "should be constant java mirror oop");
+int length = stream->read_int();
+for (int i = 0; i < length; i++) {
+ScopeValue* val = read_from(stream);
+_field_values.append(val);
+}
+}
+void ObjectValue::write_on(DebugInfoWriteStream* stream) {
+if (_visited) {
+stream->write_int(OBJECT_ID_CODE);
+stream->write_int(_id);
+} else {
+_visited = true;
+stream->write_int(OBJECT_CODE);
+stream->write_int(_id);
+_klass->write_on(stream);
+int length = _field_values.length();
+stream->write_int(length);
+for (int i = 0; i < length; i++) {
+_field_values.at(i)->write_on(stream);
+}
+}
+}
+void ObjectValue::print_on(outputStream* st) const {
+st->print("obj[%d]", _id);
+}
+void ObjectValue::print_fields_on(outputStream* st) const {
+#ifndef PRODUCT
+if (_field_values.length() > 0) {
+_field_values.at(0)->print_on(st);
+}
+for (int i = 1; i < _field_values.length(); i++) {
+st->print(", ");
+_field_values.at(i)->print_on(st);
+}
+#endif
+}
+// ConstantIntValue
+ConstantIntValue::ConstantIntValue(DebugInfoReadStream* stream) {
+_value = stream->read_signed_int();
+}
+void ConstantIntValue::write_on(DebugInfoWriteStream* stream) {
+stream->write_int(CONSTANT_INT_CODE);
+stream->write_signed_int(value());
+}
+void ConstantIntValue::print_on(outputStream* st) const {
+st->print("%d", value());
+}
+// ConstantLongValue
+ConstantLongValue::ConstantLongValue(DebugInfoReadStream* stream) {
+_value = stream->read_long();
+}
+void ConstantLongValue::write_on(DebugInfoWriteStream* stream) {
+stream->write_int(CONSTANT_LONG_CODE);
+stream->write_long(value());
+}
+void ConstantLongValue::print_on(outputStream* st) const {
+st->print(INT64_FORMAT, value());
+}
+// ConstantDoubleValue
+ConstantDoubleValue::ConstantDoubleValue(DebugInfoReadStream* stream) {
+_value = stream->read_double();
+}
+void ConstantDoubleValue::write_on(DebugInfoWriteStream* stream) {
+stream->write_int(CONSTANT_DOUBLE_CODE);
+stream->write_double(value());
+}
+void ConstantDoubleValue::print_on(outputStream* st) const {
+st->print("%f", value());
+}
+// ConstantOopWriteValue
+void ConstantOopWriteValue::write_on(DebugInfoWriteStream* stream) {
+assert(JNIHandles::resolve(value()) == NULL ||
+Universe::heap()->is_in_reserved(JNIHandles::resolve(value())),
+"Should be in heap");
+stream->write_int(CONSTANT_OOP_CODE);
+stream->write_handle(value());
+}
+void ConstantOopWriteValue::print_on(outputStream* st) const {
+JNIHandles::resolve(value())->print_value_on(st);
+}
+// ConstantOopReadValue
+ConstantOopReadValue::ConstantOopReadValue(DebugInfoReadStream* stream) {
+_value = Handle(stream->read_oop());
+assert(_value() == NULL ||
+Universe::heap()->is_in_reserved(_value()), "Should be in heap");
+}
+void ConstantOopReadValue::write_on(DebugInfoWriteStream* stream) {
+ShouldNotReachHere();
+}
+void ConstantOopReadValue::print_on(outputStream* st) const {
+value()()->print_value_on(st);
+}
+// MonitorValue
+MonitorValue::MonitorValue(ScopeValue* owner, Location basic_lock, bool eliminated) {
+_owner       = owner;
+_basic_lock  = basic_lock;
+_eliminated  = eliminated;
+}
+MonitorValue::MonitorValue(DebugInfoReadStream* stream) {
+_basic_lock  = Location(stream);
+_owner       = ScopeValue::read_from(stream);
+_eliminated  = (stream->read_bool() != 0);
+}
+void MonitorValue::write_on(DebugInfoWriteStream* stream) {
+_basic_lock.write_on(stream);
+_owner->write_on(stream);
+stream->write_bool(_eliminated);
+}
+#ifndef PRODUCT
+void MonitorValue::print_on(outputStream* st) const {
+st->print("monitor{");
+owner()->print_on(st);
+st->print(",");
+basic_lock().print_on(st);
+st->print("}");
+if (_eliminated) {
+st->print(" (eliminated)");
+}
+}
+#endif

Mercurial > jdk8-mips64-public > hotspot / file comparison

comparison: src/share/vm/code/debugInfo.cpp

src/share/vm/code/debugInfo.cpp