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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 <deque> | 8 #include <deque> |
9 | 9 |
10 #include "src/compiler/gap-resolver.h" | 10 #include "src/compiler/gap-resolver.h" |
11 #include "src/compiler/instruction.h" | 11 #include "src/compiler/instruction.h" |
12 #include "src/deoptimizer.h" | 12 #include "src/deoptimizer.h" |
13 #include "src/macro-assembler.h" | 13 #include "src/macro-assembler.h" |
14 #include "src/safepoint-table.h" | 14 #include "src/safepoint-table.h" |
15 | 15 |
16 namespace v8 { | 16 namespace v8 { |
17 namespace internal { | 17 namespace internal { |
18 namespace compiler { | 18 namespace compiler { |
19 | 19 |
20 // Generates native code for a sequence of instructions. | 20 // Generates native code for a sequence of instructions. |
21 class CodeGenerator FINAL : public GapResolver::Assembler { | 21 class CodeGenerator FINAL : public GapResolver::Assembler { |
22 public: | 22 public: |
23 explicit CodeGenerator(Frame* frame, Linkage* linkage, | 23 explicit CodeGenerator(Frame* frame, Linkage* linkage, |
24 InstructionSequence* code); | 24 InstructionSequence* code, CompilationInfo* info); |
25 | 25 |
26 // Generate native code. | 26 // Generate native code. |
27 Handle<Code> GenerateCode(); | 27 Handle<Code> GenerateCode(); |
28 | 28 |
29 InstructionSequence* code() const { return code_; } | 29 InstructionSequence* code() const { return code_; } |
30 Frame* frame() const { return frame_; } | 30 Frame* frame() const { return frame_; } |
31 Isolate* isolate() const { return zone()->isolate(); } | 31 Isolate* isolate() const { return zone()->isolate(); } |
32 Linkage* linkage() const { return linkage_; } | 32 Linkage* linkage() const { return linkage_; } |
33 | 33 |
34 private: | 34 private: |
35 MacroAssembler* masm() { return &masm_; } | 35 MacroAssembler* masm() { return &masm_; } |
36 GapResolver* resolver() { return &resolver_; } | 36 GapResolver* resolver() { return &resolver_; } |
37 SafepointTableBuilder* safepoints() { return &safepoints_; } | 37 SafepointTableBuilder* safepoints() { return &safepoints_; } |
38 Zone* zone() const { return code()->zone(); } | 38 Zone* zone() const { return code()->zone(); } |
| 39 CompilationInfo* info() const { return info_; } |
39 | 40 |
40 // Checks if {block} will appear directly after {current_block_} when | 41 // Checks if {block} will appear directly after {current_block_} when |
41 // assembling code, in which case, a fall-through can be used. | 42 // assembling code, in which case, a fall-through can be used. |
42 bool IsNextInAssemblyOrder(BasicBlock::RpoNumber block) const; | 43 bool IsNextInAssemblyOrder(BasicBlock::RpoNumber block) const; |
43 | 44 |
44 // Record a safepoint with the given pointer map. | 45 // Record a safepoint with the given pointer map. |
45 void RecordSafepoint(PointerMap* pointers, Safepoint::Kind kind, | 46 void RecordSafepoint(PointerMap* pointers, Safepoint::Kind kind, |
46 int arguments, Safepoint::DeoptMode deopt_mode); | 47 int arguments, Safepoint::DeoptMode deopt_mode); |
47 | 48 |
48 // Assemble code for the specified instruction. | 49 // Assemble code for the specified instruction. |
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111 | 112 |
112 private: | 113 private: |
113 BailoutId bailout_id_; | 114 BailoutId bailout_id_; |
114 int translation_id_; | 115 int translation_id_; |
115 int pc_offset_; | 116 int pc_offset_; |
116 }; | 117 }; |
117 | 118 |
118 Frame* const frame_; | 119 Frame* const frame_; |
119 Linkage* const linkage_; | 120 Linkage* const linkage_; |
120 InstructionSequence* const code_; | 121 InstructionSequence* const code_; |
| 122 CompilationInfo* const info_; |
121 BasicBlock::RpoNumber current_block_; | 123 BasicBlock::RpoNumber current_block_; |
122 SourcePosition current_source_position_; | 124 SourcePosition current_source_position_; |
123 MacroAssembler masm_; | 125 MacroAssembler masm_; |
124 GapResolver resolver_; | 126 GapResolver resolver_; |
125 SafepointTableBuilder safepoints_; | 127 SafepointTableBuilder safepoints_; |
126 ZoneDeque<DeoptimizationState*> deoptimization_states_; | 128 ZoneDeque<DeoptimizationState*> deoptimization_states_; |
127 ZoneDeque<Handle<Object> > deoptimization_literals_; | 129 ZoneDeque<Handle<Object> > deoptimization_literals_; |
128 TranslationBuffer translations_; | 130 TranslationBuffer translations_; |
129 int last_lazy_deopt_pc_; | 131 int last_lazy_deopt_pc_; |
130 }; | 132 }; |
131 | 133 |
132 } // namespace compiler | 134 } // namespace compiler |
133 } // namespace internal | 135 } // namespace internal |
134 } // namespace v8 | 136 } // namespace v8 |
135 | 137 |
136 #endif // V8_COMPILER_CODE_GENERATOR_H | 138 #endif // V8_COMPILER_CODE_GENERATOR_H |
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