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Side by Side Diff: runtime/vm/stub_code.h

Issue 2976723003: Eliminate dependencies on assemblers and code stubs in precompiled runtime. (Closed)
Patch Set: Eliminate precompiled runtime flag Created 3 years, 5 months ago
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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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