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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/stub_code.h" | 5 #include "vm/stub_code.h" |
| 6 | 6 |
| 7 #include "platform/assert.h" | 7 #include "platform/assert.h" |
| 8 #include "platform/globals.h" | 8 #include "platform/globals.h" |
| 9 #include "vm/assembler.h" | 9 #include "vm/assembler.h" |
| 10 #include "vm/disassembler.h" | 10 #include "vm/disassembler.h" |
| 11 #include "vm/flags.h" | 11 #include "vm/flags.h" |
| 12 #include "vm/virtual_memory.h" | 12 #include "vm/virtual_memory.h" |
| 13 #include "vm/visitor.h" | 13 #include "vm/visitor.h" |
| 14 | 14 |
| 15 namespace dart { | 15 namespace dart { |
| 16 | 16 |
| 17 DEFINE_FLAG(bool, disassemble_stubs, false, "Disassemble generated stubs."); | 17 DEFINE_FLAG(bool, disassemble_stubs, false, "Disassemble generated stubs."); |
| 18 | 18 |
| 19 #define STUB_CODE_DECLARE(name) \ | 19 #define STUB_CODE_DECLARE(name) \ |
| 20 StubEntry* StubCode::name##_entry_ = NULL; | 20 StubEntry* StubCode::name##_entry_ = NULL; |
| 21 VM_STUB_CODE_LIST(STUB_CODE_DECLARE); | 21 VM_STUB_CODE_LIST(STUB_CODE_DECLARE); |
| 22 #undef STUB_CODE_DECLARE | 22 #undef STUB_CODE_DECLARE |
| 23 | 23 |
| 24 | 24 |
| 25 StubEntry::StubEntry(const char* name, const Code& code) | 25 StubEntry::StubEntry(const Code& code) |
| 26 : code_(code.raw()), | 26 : code_(code.raw()), |
| 27 entry_point_(code.EntryPoint()), | 27 entry_point_(code.EntryPoint()), |
| 28 size_(code.Size()), | 28 size_(code.Size()), |
| 29 label_(name, code.EntryPoint()) { | 29 label_(code.EntryPoint()) { |
| 30 } | 30 } |
| 31 | 31 |
| 32 | 32 |
| 33 // Visit all object pointers. | 33 // Visit all object pointers. |
| 34 void StubEntry::VisitObjectPointers(ObjectPointerVisitor* visitor) { | 34 void StubEntry::VisitObjectPointers(ObjectPointerVisitor* visitor) { |
| 35 ASSERT(visitor != NULL); | 35 ASSERT(visitor != NULL); |
| 36 visitor->VisitPointer(reinterpret_cast<RawObject**>(&code_)); | 36 visitor->VisitPointer(reinterpret_cast<RawObject**>(&code_)); |
| 37 } | 37 } |
| 38 | 38 |
| 39 | 39 |
| 40 StubCode::~StubCode() { | 40 StubCode::~StubCode() { |
| 41 #define STUB_CODE_DELETER(name) \ | 41 #define STUB_CODE_DELETER(name) \ |
| 42 delete name##_entry_; | 42 delete name##_entry_; |
| 43 STUB_CODE_LIST(STUB_CODE_DELETER); | 43 STUB_CODE_LIST(STUB_CODE_DELETER); |
| 44 #undef STUB_CODE_DELETER | 44 #undef STUB_CODE_DELETER |
| 45 } | 45 } |
| 46 | 46 |
| 47 | 47 |
| 48 #define STUB_CODE_GENERATE(name) \ | 48 #define STUB_CODE_GENERATE(name) \ |
| 49 code ^= Generate("_stub_"#name, StubCode::Generate##name##Stub); \ | 49 code ^= Generate("_stub_"#name, StubCode::Generate##name##Stub); \ |
| 50 name##_entry_ = new StubEntry("_stub_"#name, code); | 50 name##_entry_ = new StubEntry(code); |
| 51 | 51 |
| 52 | 52 |
| 53 void StubCode::InitOnce() { | 53 void StubCode::InitOnce() { |
| 54 // Generate all the stubs. | 54 // Generate all the stubs. |
| 55 Code& code = Code::Handle(); | 55 Code& code = Code::Handle(); |
| 56 VM_STUB_CODE_LIST(STUB_CODE_GENERATE); | 56 VM_STUB_CODE_LIST(STUB_CODE_GENERATE); |
| 57 } | 57 } |
| 58 | 58 |
| 59 | 59 |
| 60 void StubCode::GenerateFor(Isolate* init) { | 60 void StubCode::GenerateFor(Isolate* init) { |
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| 143 VM_STUB_CODE_LIST(STUB_CODE_TESTER); | 143 VM_STUB_CODE_LIST(STUB_CODE_TESTER); |
| 144 Isolate* isolate = Isolate::Current(); | 144 Isolate* isolate = Isolate::Current(); |
| 145 if ((isolate != NULL) && (isolate->stub_code() != NULL)) { | 145 if ((isolate != NULL) && (isolate->stub_code() != NULL)) { |
| 146 STUB_CODE_LIST(STUB_CODE_TESTER); | 146 STUB_CODE_LIST(STUB_CODE_TESTER); |
| 147 } | 147 } |
| 148 #undef STUB_CODE_TESTER | 148 #undef STUB_CODE_TESTER |
| 149 return NULL; | 149 return NULL; |
| 150 } | 150 } |
| 151 | 151 |
| 152 } // namespace dart | 152 } // namespace dart |
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