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1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, 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 #ifndef RUNTIME_VM_STUB_CODE_H_ | 5 #ifndef RUNTIME_VM_STUB_CODE_H_ |
6 #define RUNTIME_VM_STUB_CODE_H_ | 6 #define RUNTIME_VM_STUB_CODE_H_ |
7 | 7 |
8 #include "vm/allocation.h" | 8 #include "vm/allocation.h" |
9 #include "vm/assembler.h" | 9 #include "vm/assembler.h" |
10 | 10 |
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163 static void EntryAtPut(intptr_t index, StubEntry* entry) { | 163 static void EntryAtPut(intptr_t index, StubEntry* entry) { |
164 entries_[index] = entry; | 164 entries_[index] = entry; |
165 } | 165 } |
166 static intptr_t NumEntries() { return kNumStubEntries; } | 166 static intptr_t NumEntries() { return kNumStubEntries; } |
167 | 167 |
168 private: | 168 private: |
169 friend class MegamorphicCacheTable; | 169 friend class MegamorphicCacheTable; |
170 | 170 |
171 static const intptr_t kStubCodeSize = 4 * KB; | 171 static const intptr_t kStubCodeSize = 4 * KB; |
172 | 172 |
173 #define STUB_CODE_GENERATE(name) \ | |
174 static void Generate##name##Stub(Assembler* assembler); | |
175 VM_STUB_CODE_LIST(STUB_CODE_GENERATE) | |
176 #undef STUB_CODE_GENERATE | |
177 | |
178 enum { | 173 enum { |
179 #define STUB_CODE_ENTRY(name) k##name##Index, | 174 #define STUB_CODE_ENTRY(name) k##name##Index, |
180 VM_STUB_CODE_LIST(STUB_CODE_ENTRY) | 175 VM_STUB_CODE_LIST(STUB_CODE_ENTRY) |
181 #undef STUB_CODE_ENTRY | 176 #undef STUB_CODE_ENTRY |
182 kNumStubEntries | 177 kNumStubEntries |
183 }; | 178 }; |
184 | 179 |
185 static StubEntry* entries_[kNumStubEntries]; | 180 static StubEntry* entries_[kNumStubEntries]; |
186 | 181 |
| 182 #if !defined(DART_PRECOMPILED_RUNTIME) |
| 183 #define STUB_CODE_GENERATE(name) \ |
| 184 static void Generate##name##Stub(Assembler* assembler); |
| 185 VM_STUB_CODE_LIST(STUB_CODE_GENERATE) |
| 186 #undef STUB_CODE_GENERATE |
| 187 |
187 // Generate the stub and finalize the generated code into the stub | 188 // Generate the stub and finalize the generated code into the stub |
188 // code executable area. | 189 // code executable area. |
189 static RawCode* Generate(const char* name, | 190 static RawCode* Generate(const char* name, |
190 void (*GenerateStub)(Assembler* assembler)); | 191 void (*GenerateStub)(Assembler* assembler)); |
191 | 192 |
192 static void GenerateMegamorphicMissStub(Assembler* assembler); | 193 static void GenerateMegamorphicMissStub(Assembler* assembler); |
193 static void GenerateAllocationStubForClass(Assembler* assembler, | 194 static void GenerateAllocationStubForClass(Assembler* assembler, |
194 const Class& cls); | 195 const Class& cls); |
195 static void GenerateNArgsCheckInlineCacheStub( | 196 static void GenerateNArgsCheckInlineCacheStub( |
196 Assembler* assembler, | 197 Assembler* assembler, |
197 intptr_t num_args, | 198 intptr_t num_args, |
198 const RuntimeEntry& handle_ic_miss, | 199 const RuntimeEntry& handle_ic_miss, |
199 Token::Kind kind, | 200 Token::Kind kind, |
200 bool optimized = false); | 201 bool optimized = false); |
201 static void GenerateUsageCounterIncrement(Assembler* assembler, | 202 static void GenerateUsageCounterIncrement(Assembler* assembler, |
202 Register temp_reg); | 203 Register temp_reg); |
203 static void GenerateOptimizedUsageCounterIncrement(Assembler* assembler); | 204 static void GenerateOptimizedUsageCounterIncrement(Assembler* assembler); |
| 205 #endif // !defined(DART_PRECOMPILED_RUNTIME) |
204 }; | 206 }; |
205 | 207 |
206 | 208 |
207 enum DeoptStubKind { kLazyDeoptFromReturn, kLazyDeoptFromThrow, kEagerDeopt }; | 209 enum DeoptStubKind { kLazyDeoptFromReturn, kLazyDeoptFromThrow, kEagerDeopt }; |
208 | 210 |
209 // Zap value used to indicate unused CODE_REG in deopt. | 211 // Zap value used to indicate unused CODE_REG in deopt. |
210 static const uword kZapCodeReg = 0xf1f1f1f1; | 212 static const uword kZapCodeReg = 0xf1f1f1f1; |
211 | 213 |
212 // Zap value used to indicate unused return address in deopt. | 214 // Zap value used to indicate unused return address in deopt. |
213 static const uword kZapReturnAddress = 0xe1e1e1e1; | 215 static const uword kZapReturnAddress = 0xe1e1e1e1; |
214 | 216 |
215 } // namespace dart | 217 } // namespace dart |
216 | 218 |
217 #endif // RUNTIME_VM_STUB_CODE_H_ | 219 #endif // RUNTIME_VM_STUB_CODE_H_ |
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