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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 "vm/assembler.h" | 8 #include "vm/assembler.h" |
9 #include "vm/disassembler.h" | 9 #include "vm/disassembler.h" |
10 #include "vm/flags.h" | 10 #include "vm/flags.h" |
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38 | 38 |
39 StubCode::~StubCode() { | 39 StubCode::~StubCode() { |
40 #define STUB_CODE_DELETER(name) \ | 40 #define STUB_CODE_DELETER(name) \ |
41 delete name##_entry_; | 41 delete name##_entry_; |
42 STUB_CODE_LIST(STUB_CODE_DELETER); | 42 STUB_CODE_LIST(STUB_CODE_DELETER); |
43 #undef STUB_CODE_DELETER | 43 #undef STUB_CODE_DELETER |
44 } | 44 } |
45 | 45 |
46 | 46 |
47 #define STUB_CODE_GENERATE(name) \ | 47 #define STUB_CODE_GENERATE(name) \ |
48 code |= Generate("_stub_"#name, StubCode::Generate##name##Stub); \ | 48 code ^= Generate("_stub_"#name, StubCode::Generate##name##Stub); \ |
49 name##_entry_ = new StubEntry("_stub_"#name, code); | 49 name##_entry_ = new StubEntry("_stub_"#name, code); |
50 | 50 |
51 | 51 |
52 void StubCode::InitOnce() { | 52 void StubCode::InitOnce() { |
53 // TODO(regis): Re-enable this after we are able to generate arm code. | 53 // TODO(regis): Re-enable this after we are able to generate arm code. |
54 #if defined(TARGET_ARCH_IA32) || defined(TARGET_ARCH_X64) | 54 #if defined(TARGET_ARCH_IA32) || defined(TARGET_ARCH_X64) |
55 // Generate all the stubs. | 55 // Generate all the stubs. |
56 Code& code = Code::Handle(); | 56 Code& code = Code::Handle(); |
57 VM_STUB_CODE_LIST(STUB_CODE_GENERATE); | 57 VM_STUB_CODE_LIST(STUB_CODE_GENERATE); |
58 #endif | 58 #endif |
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100 (pc < (InvokeDartCodeEntryPoint() + InvokeDartCodeSize()))); | 100 (pc < (InvokeDartCodeEntryPoint() + InvokeDartCodeSize()))); |
101 } | 101 } |
102 | 102 |
103 | 103 |
104 RawCode* StubCode::GetAllocationStubForClass(const Class& cls) { | 104 RawCode* StubCode::GetAllocationStubForClass(const Class& cls) { |
105 Code& stub = Code::Handle(cls.allocation_stub()); | 105 Code& stub = Code::Handle(cls.allocation_stub()); |
106 if (stub.IsNull()) { | 106 if (stub.IsNull()) { |
107 Assembler assembler; | 107 Assembler assembler; |
108 const char* name = cls.ToCString(); | 108 const char* name = cls.ToCString(); |
109 StubCode::GenerateAllocationStubForClass(&assembler, cls); | 109 StubCode::GenerateAllocationStubForClass(&assembler, cls); |
110 stub |= Code::FinalizeCode(name, &assembler); | 110 stub ^= Code::FinalizeCode(name, &assembler); |
111 cls.set_allocation_stub(stub); | 111 cls.set_allocation_stub(stub); |
112 if (FLAG_disassemble_stubs) { | 112 if (FLAG_disassemble_stubs) { |
113 OS::Print("Code for allocation stub '%s': {\n", name); | 113 OS::Print("Code for allocation stub '%s': {\n", name); |
114 Disassembler::Disassemble(stub.EntryPoint(), | 114 Disassembler::Disassemble(stub.EntryPoint(), |
115 stub.EntryPoint() + assembler.CodeSize()); | 115 stub.EntryPoint() + assembler.CodeSize()); |
116 OS::Print("}\n"); | 116 OS::Print("}\n"); |
117 } | 117 } |
118 } | 118 } |
119 return stub.raw(); | 119 return stub.raw(); |
120 } | 120 } |
121 | 121 |
122 | 122 |
123 RawCode* StubCode::GetAllocationStubForClosure(const Function& func) { | 123 RawCode* StubCode::GetAllocationStubForClosure(const Function& func) { |
124 Code& stub = Code::Handle(func.closure_allocation_stub()); | 124 Code& stub = Code::Handle(func.closure_allocation_stub()); |
125 if (stub.IsNull()) { | 125 if (stub.IsNull()) { |
126 Assembler assembler; | 126 Assembler assembler; |
127 const char* name = func.ToCString(); | 127 const char* name = func.ToCString(); |
128 StubCode::GenerateAllocationStubForClosure(&assembler, func); | 128 StubCode::GenerateAllocationStubForClosure(&assembler, func); |
129 stub |= Code::FinalizeCode(name, &assembler); | 129 stub ^= Code::FinalizeCode(name, &assembler); |
130 func.set_closure_allocation_stub(stub); | 130 func.set_closure_allocation_stub(stub); |
131 if (FLAG_disassemble_stubs) { | 131 if (FLAG_disassemble_stubs) { |
132 OS::Print("Code for closure allocation stub '%s': {\n", name); | 132 OS::Print("Code for closure allocation stub '%s': {\n", name); |
133 Disassembler::Disassemble(stub.EntryPoint(), | 133 Disassembler::Disassemble(stub.EntryPoint(), |
134 stub.EntryPoint() + assembler.CodeSize()); | 134 stub.EntryPoint() + assembler.CodeSize()); |
135 OS::Print("}\n"); | 135 OS::Print("}\n"); |
136 } | 136 } |
137 } | 137 } |
138 return stub.raw(); | 138 return stub.raw(); |
139 } | 139 } |
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163 VM_STUB_CODE_LIST(STUB_CODE_TESTER); | 163 VM_STUB_CODE_LIST(STUB_CODE_TESTER); |
164 Isolate* isolate = Isolate::Current(); | 164 Isolate* isolate = Isolate::Current(); |
165 if ((isolate != NULL) && (isolate->stub_code() != NULL)) { | 165 if ((isolate != NULL) && (isolate->stub_code() != NULL)) { |
166 STUB_CODE_LIST(STUB_CODE_TESTER); | 166 STUB_CODE_LIST(STUB_CODE_TESTER); |
167 } | 167 } |
168 #undef STUB_CODE_TESTER | 168 #undef STUB_CODE_TESTER |
169 return NULL; | 169 return NULL; |
170 } | 170 } |
171 | 171 |
172 } // namespace dart | 172 } // namespace dart |
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