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| 1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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_FULL_CODEGEN_FULL_CODEGEN_H_ | 5 #ifndef V8_FULL_CODEGEN_FULL_CODEGEN_H_ |
| 6 #define V8_FULL_CODEGEN_FULL_CODEGEN_H_ | 6 #define V8_FULL_CODEGEN_FULL_CODEGEN_H_ |
| 7 | 7 |
| 8 #include "src/allocation.h" | 8 #include "src/allocation.h" |
| 9 #include "src/assert-scope.h" | 9 #include "src/assert-scope.h" |
| 10 #include "src/ast/ast.h" | 10 #include "src/ast/ast.h" |
| 11 #include "src/ast/scopes.h" | 11 #include "src/ast/scopes.h" |
| 12 #include "src/bit-vector.h" | 12 #include "src/bit-vector.h" |
| 13 #include "src/code-factory.h" | 13 #include "src/code-factory.h" |
| 14 #include "src/code-stubs.h" | 14 #include "src/code-stubs.h" |
| 15 #include "src/codegen.h" | 15 #include "src/codegen.h" |
| 16 #include "src/deoptimizer.h" | 16 #include "src/deoptimizer.h" |
| 17 #include "src/globals.h" | 17 #include "src/globals.h" |
| 18 #include "src/objects.h" | 18 #include "src/objects.h" |
| 19 | 19 |
| 20 namespace v8 { | 20 namespace v8 { |
| 21 namespace internal { | 21 namespace internal { |
| 22 | 22 |
| 23 // Forward declarations. | 23 // Forward declarations. |
| 24 class CompilationInfo; | 24 class CompilationInfo; |
| 25 class CompilationJob; | 25 class CompilationJob; |
| 26 class JumpPatchSite; | 26 class JumpPatchSite; |
| 27 class Scope; | 27 class Scope; |
| 28 enum class LazyCompilationMode; | |
| 29 | 28 |
| 30 // ----------------------------------------------------------------------------- | 29 // ----------------------------------------------------------------------------- |
| 31 // Full code generator. | 30 // Full code generator. |
| 32 | 31 |
| 33 class FullCodeGenerator final : public AstVisitor<FullCodeGenerator> { | 32 class FullCodeGenerator final : public AstVisitor<FullCodeGenerator> { |
| 34 public: | 33 public: |
| 35 FullCodeGenerator(MacroAssembler* masm, CompilationInfo* info, | 34 FullCodeGenerator(MacroAssembler* masm, CompilationInfo* info, |
| 36 uintptr_t stack_limit, LazyCompilationMode mode); | 35 uintptr_t stack_limit); |
| 37 | 36 |
| 38 void Initialize(uintptr_t stack_limit); | 37 void Initialize(uintptr_t stack_limit); |
| 39 | 38 |
| 40 static CompilationJob* NewCompilationJob(CompilationInfo* info, | 39 static CompilationJob* NewCompilationJob(CompilationInfo* info); |
| 41 LazyCompilationMode mode); | |
| 42 | 40 |
| 43 static bool MakeCode(CompilationInfo* info, uintptr_t stack_limit, | 41 static bool MakeCode(CompilationInfo* info, uintptr_t stack_limit); |
| 44 LazyCompilationMode mode); | |
| 45 static bool MakeCode(CompilationInfo* info); | 42 static bool MakeCode(CompilationInfo* info); |
| 46 | 43 |
| 47 // Encode bailout state and pc-offset as a BitField<type, start, size>. | 44 // Encode bailout state and pc-offset as a BitField<type, start, size>. |
| 48 // Only use 30 bits because we encode the result as a smi. | 45 // Only use 30 bits because we encode the result as a smi. |
| 49 class BailoutStateField : public BitField<Deoptimizer::BailoutState, 0, 1> {}; | 46 class BailoutStateField : public BitField<Deoptimizer::BailoutState, 0, 1> {}; |
| 50 class PcField : public BitField<unsigned, 1, 30 - 1> {}; | 47 class PcField : public BitField<unsigned, 1, 30 - 1> {}; |
| 51 | 48 |
| 52 static const int kMaxBackEdgeWeight = 127; | 49 static const int kMaxBackEdgeWeight = 127; |
| 53 | 50 |
| 54 // Platform-specific code size multiplier. | 51 // Platform-specific code size multiplier. |
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| 794 | 791 |
| 795 FullCodeGenerator* codegen_; | 792 FullCodeGenerator* codegen_; |
| 796 Scope* saved_scope_; | 793 Scope* saved_scope_; |
| 797 BailoutId exit_id_; | 794 BailoutId exit_id_; |
| 798 bool needs_block_context_; | 795 bool needs_block_context_; |
| 799 }; | 796 }; |
| 800 | 797 |
| 801 MacroAssembler* masm_; | 798 MacroAssembler* masm_; |
| 802 CompilationInfo* info_; | 799 CompilationInfo* info_; |
| 803 Isolate* isolate_; | 800 Isolate* isolate_; |
| 804 LazyCompilationMode compilation_mode_; | |
| 805 Zone* zone_; | 801 Zone* zone_; |
| 806 Scope* scope_; | 802 Scope* scope_; |
| 807 Label return_label_; | 803 Label return_label_; |
| 808 NestedStatement* nesting_stack_; | 804 NestedStatement* nesting_stack_; |
| 809 int loop_depth_; | 805 int loop_depth_; |
| 810 int operand_stack_depth_; | 806 int operand_stack_depth_; |
| 811 ZoneList<Handle<Object> >* globals_; | 807 ZoneList<Handle<Object> >* globals_; |
| 812 const ExpressionContext* context_; | 808 const ExpressionContext* context_; |
| 813 ZoneList<BailoutEntry> bailout_entries_; | 809 ZoneList<BailoutEntry> bailout_entries_; |
| 814 ZoneList<BackEdgeEntry> back_edges_; | 810 ZoneList<BackEdgeEntry> back_edges_; |
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| 892 Address start_; | 888 Address start_; |
| 893 Address instruction_start_; | 889 Address instruction_start_; |
| 894 uint32_t length_; | 890 uint32_t length_; |
| 895 }; | 891 }; |
| 896 | 892 |
| 897 | 893 |
| 898 } // namespace internal | 894 } // namespace internal |
| 899 } // namespace v8 | 895 } // namespace v8 |
| 900 | 896 |
| 901 #endif // V8_FULL_CODEGEN_FULL_CODEGEN_H_ | 897 #endif // V8_FULL_CODEGEN_FULL_CODEGEN_H_ |
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