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Side by Side Diff: runtime/vm/object.cc

Issue 1418833004: VM: Service isolate under precompilation. (Closed) Base URL: git@github.com:dart-lang/sdk.git@master
Patch Set: Created 5 years, 1 month ago
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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 #include "vm/object.h" 5 #include "vm/object.h"
6 6
7 #include "include/dart_api.h" 7 #include "include/dart_api.h"
8 #include "platform/assert.h" 8 #include "platform/assert.h"
9 #include "vm/assembler.h" 9 #include "vm/assembler.h"
10 #include "vm/cpu.h" 10 #include "vm/cpu.h"
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13418 bool Code::FindRawCodeVisitor::FindObject(RawObject* raw_obj) const { 13418 bool Code::FindRawCodeVisitor::FindObject(RawObject* raw_obj) const {
13419 uword tags = raw_obj->ptr()->tags_; 13419 uword tags = raw_obj->ptr()->tags_;
13420 if (RawObject::ClassIdTag::decode(tags) == kInstructionsCid) { 13420 if (RawObject::ClassIdTag::decode(tags) == kInstructionsCid) {
13421 RawInstructions* raw_insts = reinterpret_cast<RawInstructions*>(raw_obj); 13421 RawInstructions* raw_insts = reinterpret_cast<RawInstructions*>(raw_obj);
13422 return RawInstructions::ContainsPC(raw_insts, pc_); 13422 return RawInstructions::ContainsPC(raw_insts, pc_);
13423 } 13423 }
13424 return false; 13424 return false;
13425 } 13425 }
13426 13426
13427 13427
13428 bool Code::SlowFindRawCodeVisitor::FindObject(RawObject* raw_obj) const {
13429 return RawCode::ContainsPC(raw_obj, pc_);
13430 }
13431
13432
13428 RawCode* Code::LookupCodeInIsolate(Isolate* isolate, uword pc) { 13433 RawCode* Code::LookupCodeInIsolate(Isolate* isolate, uword pc) {
13429 ASSERT((isolate == Isolate::Current()) || (isolate == Dart::vm_isolate())); 13434 ASSERT((isolate == Isolate::Current()) || (isolate == Dart::vm_isolate()));
13430 NoSafepointScope no_safepoint;
13431 FindRawCodeVisitor visitor(pc);
13432 RawInstructions* instr;
13433 if (Dart::IsRunningPrecompiledCode()) {
13434 // TODO(johnmccutchan): Make code lookup work when running precompiled.
13435 UNIMPLEMENTED();
13436 return Code::null();
13437 }
13438 if (isolate->heap() == NULL) { 13435 if (isolate->heap() == NULL) {
13439 return Code::null(); 13436 return Code::null();
13440 } 13437 }
13441 instr = isolate->heap()->FindObjectInCodeSpace(&visitor); 13438 NoSafepointScope no_safepoint;
13442 if (instr != Instructions::null()) { 13439 // TODO(johnmccutchan): Make lookup without a back pointer faster and use for
13443 return Instructions::Handle(instr).code(); 13440 // both cases.
13441 if (Dart::IsRunningPrecompiledCode()) {
13442 SlowFindRawCodeVisitor visitor(pc);
13443 RawObject* needle = isolate->heap()->FindOldObject(&visitor);
13444 if (needle != Code::null()) {
13445 return static_cast<RawCode*>(needle);
13446 }
13447 return Code::null();
13448 } else {
13449 FindRawCodeVisitor visitor(pc);
13450 RawInstructions* instr;
13451 instr = isolate->heap()->FindObjectInCodeSpace(&visitor);
13452 if (instr != Instructions::null()) {
13453 return Instructions::Handle(instr).code();
13454 }
13455 return Code::null();
13444 } 13456 }
13445 return Code::null();
13446 } 13457 }
13447 13458
13448 13459
13449 RawCode* Code::LookupCode(uword pc) { 13460 RawCode* Code::LookupCode(uword pc) {
13450 return LookupCodeInIsolate(Isolate::Current(), pc); 13461 return LookupCodeInIsolate(Isolate::Current(), pc);
13451 } 13462 }
13452 13463
13453 13464
13454 RawCode* Code::LookupCodeInVmIsolate(uword pc) { 13465 RawCode* Code::LookupCodeInVmIsolate(uword pc) {
13455 return LookupCodeInIsolate(Dart::vm_isolate(), pc); 13466 return LookupCodeInIsolate(Dart::vm_isolate(), pc);
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21917 return tag_label.ToCString(); 21928 return tag_label.ToCString();
21918 } 21929 }
21919 21930
21920 21931
21921 void UserTag::PrintJSONImpl(JSONStream* stream, bool ref) const { 21932 void UserTag::PrintJSONImpl(JSONStream* stream, bool ref) const {
21922 Instance::PrintJSONImpl(stream, ref); 21933 Instance::PrintJSONImpl(stream, ref);
21923 } 21934 }
21924 21935
21925 21936
21926 } // namespace dart 21937 } // namespace dart
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