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| 1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef V8_COMPILER_CODE_GENERATOR_H_ | 5 #ifndef V8_COMPILER_CODE_GENERATOR_H_ |
| 6 #define V8_COMPILER_CODE_GENERATOR_H_ | 6 #define V8_COMPILER_CODE_GENERATOR_H_ |
| 7 | 7 |
| 8 #include "src/compiler/gap-resolver.h" | 8 #include "src/compiler/gap-resolver.h" |
| 9 #include "src/compiler/instruction.h" | 9 #include "src/compiler/instruction.h" |
| 10 #include "src/compiler/unwinding-info-writer.h" | 10 #include "src/compiler/unwinding-info-writer.h" |
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| 46 private: | 46 private: |
| 47 Instruction* instr_; | 47 Instruction* instr_; |
| 48 size_t pos_; | 48 size_t pos_; |
| 49 }; | 49 }; |
| 50 | 50 |
| 51 | 51 |
| 52 // Generates native code for a sequence of instructions. | 52 // Generates native code for a sequence of instructions. |
| 53 class CodeGenerator final : public GapResolver::Assembler { | 53 class CodeGenerator final : public GapResolver::Assembler { |
| 54 public: | 54 public: |
| 55 explicit CodeGenerator(Frame* frame, Linkage* linkage, | 55 explicit CodeGenerator(Frame* frame, Linkage* linkage, |
| 56 InstructionSequence* code, CompilationInfo* info, | 56 InstructionSequence* code, CompilationInfo* info); |
| 57 ZoneVector<trap_handler::ProtectedInstructionData>* | |
| 58 protected_instructions = nullptr); | |
| 59 | 57 |
| 60 // Generate native code. | 58 // Generate native code. |
| 61 Handle<Code> GenerateCode(); | 59 Handle<Code> GenerateCode(); |
| 62 | 60 |
| 63 InstructionSequence* code() const { return code_; } | 61 InstructionSequence* code() const { return code_; } |
| 64 FrameAccessState* frame_access_state() const { return frame_access_state_; } | 62 FrameAccessState* frame_access_state() const { return frame_access_state_; } |
| 65 const Frame* frame() const { return frame_access_state_->frame(); } | 63 const Frame* frame() const { return frame_access_state_->frame(); } |
| 66 Isolate* isolate() const; | 64 Isolate* isolate() const; |
| 67 Linkage* linkage() const { return linkage_; } | 65 Linkage* linkage() const { return linkage_; } |
| 68 | 66 |
| 69 Label* GetLabel(RpoNumber rpo) { return &labels_[rpo.ToSize()]; } | 67 Label* GetLabel(RpoNumber rpo) { return &labels_[rpo.ToSize()]; } |
| 70 | 68 |
| 71 void AddProtectedInstruction(int instr_offset, int landing_offset); | |
| 72 | |
| 73 void AssembleSourcePosition(Instruction* instr); | 69 void AssembleSourcePosition(Instruction* instr); |
| 74 | 70 |
| 75 void AssembleSourcePosition(SourcePosition source_position); | 71 void AssembleSourcePosition(SourcePosition source_position); |
| 76 | 72 |
| 77 // Record a safepoint with the given pointer map. | 73 // Record a safepoint with the given pointer map. |
| 78 void RecordSafepoint(ReferenceMap* references, Safepoint::Kind kind, | 74 void RecordSafepoint(ReferenceMap* references, Safepoint::Kind kind, |
| 79 int arguments, Safepoint::DeoptMode deopt_mode); | 75 int arguments, Safepoint::DeoptMode deopt_mode); |
| 80 | 76 |
| 81 private: | 77 private: |
| 82 MacroAssembler* masm() { return &masm_; } | 78 MacroAssembler* masm() { return &masm_; } |
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| 284 ZoneDeque<DeoptimizationState*> deoptimization_states_; | 280 ZoneDeque<DeoptimizationState*> deoptimization_states_; |
| 285 ZoneDeque<Handle<Object>> deoptimization_literals_; | 281 ZoneDeque<Handle<Object>> deoptimization_literals_; |
| 286 size_t inlined_function_count_; | 282 size_t inlined_function_count_; |
| 287 TranslationBuffer translations_; | 283 TranslationBuffer translations_; |
| 288 int last_lazy_deopt_pc_; | 284 int last_lazy_deopt_pc_; |
| 289 JumpTable* jump_tables_; | 285 JumpTable* jump_tables_; |
| 290 OutOfLineCode* ools_; | 286 OutOfLineCode* ools_; |
| 291 int osr_pc_offset_; | 287 int osr_pc_offset_; |
| 292 int optimized_out_literal_id_; | 288 int optimized_out_literal_id_; |
| 293 SourcePositionTableBuilder source_position_table_builder_; | 289 SourcePositionTableBuilder source_position_table_builder_; |
| 294 ZoneVector<trap_handler::ProtectedInstructionData>* protected_instructions_; | |
| 295 }; | 290 }; |
| 296 | 291 |
| 297 } // namespace compiler | 292 } // namespace compiler |
| 298 } // namespace internal | 293 } // namespace internal |
| 299 } // namespace v8 | 294 } // namespace v8 |
| 300 | 295 |
| 301 #endif // V8_COMPILER_CODE_GENERATOR_H | 296 #endif // V8_COMPILER_CODE_GENERATOR_H |
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