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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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13493 | 13493 |
13494 bool Code::IsFunctionCode() const { | 13494 bool Code::IsFunctionCode() const { |
13495 const Object& obj = Object::Handle(owner()); | 13495 const Object& obj = Object::Handle(owner()); |
13496 return obj.IsFunction(); | 13496 return obj.IsFunction(); |
13497 } | 13497 } |
13498 | 13498 |
13499 | 13499 |
13500 void Code::DisableDartCode() const { | 13500 void Code::DisableDartCode() const { |
13501 DEBUG_ASSERT(IsMutatorOrAtSafepoint()); | 13501 DEBUG_ASSERT(IsMutatorOrAtSafepoint()); |
13502 ASSERT(IsFunctionCode()); | 13502 ASSERT(IsFunctionCode()); |
13503 ASSERT(instructions() == active_instructions()); | 13503 ASSERT(!IsDisabled()); |
13504 const Code& new_code = | 13504 const Code& new_code = |
13505 Code::Handle(StubCode::FixCallersTarget_entry()->code()); | 13505 Code::Handle(StubCode::FixCallersTarget_entry()->code()); |
| 13506 ASSERT(new_code.instructions()->IsVMHeapObject()); |
13506 SetActiveInstructions(new_code.instructions()); | 13507 SetActiveInstructions(new_code.instructions()); |
13507 } | 13508 } |
13508 | 13509 |
13509 | 13510 |
13510 void Code::DisableStubCode() const { | 13511 void Code::DisableStubCode() const { |
13511 ASSERT(Thread::Current()->IsMutatorThread()); | 13512 ASSERT(Thread::Current()->IsMutatorThread()); |
13512 ASSERT(IsAllocationStubCode()); | 13513 ASSERT(IsAllocationStubCode()); |
13513 ASSERT(instructions() == active_instructions()); | 13514 ASSERT(!IsDisabled()); |
13514 const Code& new_code = | 13515 const Code& new_code = |
13515 Code::Handle(StubCode::FixAllocationStubTarget_entry()->code()); | 13516 Code::Handle(StubCode::FixAllocationStubTarget_entry()->code()); |
| 13517 ASSERT(new_code.instructions()->IsVMHeapObject()); |
13516 SetActiveInstructions(new_code.instructions()); | 13518 SetActiveInstructions(new_code.instructions()); |
13517 } | 13519 } |
13518 | 13520 |
13519 | 13521 |
13520 void Code::SetActiveInstructions(RawInstructions* instructions) const { | 13522 void Code::SetActiveInstructions(RawInstructions* instructions) const { |
13521 DEBUG_ASSERT(IsMutatorOrAtSafepoint() || !is_alive()); | 13523 DEBUG_ASSERT(IsMutatorOrAtSafepoint() || !is_alive()); |
13522 // RawInstructions are never allocated in New space and hence a | 13524 // RawInstructions are never allocated in New space and hence a |
13523 // store buffer update is not needed here. | 13525 // store buffer update is not needed here. |
13524 StorePointer(&raw_ptr()->active_instructions_, instructions); | |
13525 StoreNonPointer(&raw_ptr()->entry_point_, | 13526 StoreNonPointer(&raw_ptr()->entry_point_, |
13526 reinterpret_cast<uword>(instructions->ptr()) + | 13527 reinterpret_cast<uword>(instructions->ptr()) + |
13527 Instructions::HeaderSize()); | 13528 Instructions::HeaderSize()); |
13528 } | 13529 } |
13529 | 13530 |
13530 | 13531 |
13531 uword Code::GetLazyDeoptPc() const { | 13532 uword Code::GetLazyDeoptPc() const { |
13532 return (lazy_deopt_pc_offset() != kInvalidPc) | 13533 return (lazy_deopt_pc_offset() != kInvalidPc) |
13533 ? EntryPoint() + lazy_deopt_pc_offset() : 0; | 13534 ? EntryPoint() + lazy_deopt_pc_offset() : 0; |
13534 } | 13535 } |
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21723 return UserTag::null(); | 21724 return UserTag::null(); |
21724 } | 21725 } |
21725 | 21726 |
21726 | 21727 |
21727 const char* UserTag::ToCString() const { | 21728 const char* UserTag::ToCString() const { |
21728 const String& tag_label = String::Handle(label()); | 21729 const String& tag_label = String::Handle(label()); |
21729 return tag_label.ToCString(); | 21730 return tag_label.ToCString(); |
21730 } | 21731 } |
21731 | 21732 |
21732 } // namespace dart | 21733 } // namespace dart |
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