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Side by Side Diff: src/arm/codegen-arm.h

Issue 566008: Incorporate the arguments to the code generator constructors and their (Closed)
Patch Set: Incorporate the arguments to the code generator constructors and their... Created 10 years, 10 months ago
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1 // Copyright 2010 the V8 project authors. All rights reserved. 1 // Copyright 2010 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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154 // compiler and needs to setup everything or the compiler is used as 154 // compiler and needs to setup everything or the compiler is used as
155 // the secondary compiler for split compilation and has to handle 155 // the secondary compiler for split compilation and has to handle
156 // bailouts. 156 // bailouts.
157 enum Mode { 157 enum Mode {
158 PRIMARY, 158 PRIMARY,
159 SECONDARY 159 SECONDARY
160 }; 160 };
161 161
162 // Takes a function literal, generates code for it. This function should only 162 // Takes a function literal, generates code for it. This function should only
163 // be called by compiler.cc. 163 // be called by compiler.cc.
164 static Handle<Code> MakeCode(FunctionLiteral* fun, 164 static Handle<Code> MakeCode(CompilationInfo* info);
165 Handle<Script> script,
166 bool is_eval,
167 CompilationInfo* info);
168 165
169 // Printing of AST, etc. as requested by flags. 166 // Printing of AST, etc. as requested by flags.
170 static void MakeCodePrologue(FunctionLiteral* fun); 167 static void MakeCodePrologue(CompilationInfo* info);
171 168
172 // Allocate and install the code. 169 // Allocate and install the code.
173 static Handle<Code> MakeCodeEpilogue(FunctionLiteral* fun, 170 static Handle<Code> MakeCodeEpilogue(MacroAssembler* masm,
174 MacroAssembler* masm,
175 Code::Flags flags, 171 Code::Flags flags,
176 Handle<Script> script); 172 CompilationInfo* info);
177 173
178 #ifdef ENABLE_LOGGING_AND_PROFILING 174 #ifdef ENABLE_LOGGING_AND_PROFILING
179 static bool ShouldGenerateLog(Expression* type); 175 static bool ShouldGenerateLog(Expression* type);
180 #endif 176 #endif
181 177
182 static void SetFunctionInfo(Handle<JSFunction> fun, 178 static void SetFunctionInfo(Handle<JSFunction> fun,
183 FunctionLiteral* lit, 179 FunctionLiteral* lit,
184 bool is_toplevel, 180 bool is_toplevel,
185 Handle<Script> script); 181 Handle<Script> script);
186 182
187 static void RecordPositions(MacroAssembler* masm, int pos); 183 static void RecordPositions(MacroAssembler* masm, int pos);
188 184
189 // Accessors 185 // Accessors
190 MacroAssembler* masm() { return masm_; } 186 MacroAssembler* masm() { return masm_; }
191 VirtualFrame* frame() const { return frame_; } 187 VirtualFrame* frame() const { return frame_; }
192 Handle<Script> script() { return script_; } 188 inline Handle<Script> script();
193 189
194 bool has_valid_frame() const { return frame_ != NULL; } 190 bool has_valid_frame() const { return frame_ != NULL; }
195 191
196 // Set the virtual frame to be new_frame, with non-frame register 192 // Set the virtual frame to be new_frame, with non-frame register
197 // reference counts given by non_frame_registers. The non-frame 193 // reference counts given by non_frame_registers. The non-frame
198 // register reference counts of the old frame are returned in 194 // register reference counts of the old frame are returned in
199 // non_frame_registers. 195 // non_frame_registers.
200 void SetFrame(VirtualFrame* new_frame, RegisterFile* non_frame_registers); 196 void SetFrame(VirtualFrame* new_frame, RegisterFile* non_frame_registers);
201 197
202 void DeleteFrame(); 198 void DeleteFrame();
203 199
204 RegisterAllocator* allocator() const { return allocator_; } 200 RegisterAllocator* allocator() const { return allocator_; }
205 201
206 CodeGenState* state() { return state_; } 202 CodeGenState* state() { return state_; }
207 void set_state(CodeGenState* state) { state_ = state; } 203 void set_state(CodeGenState* state) { state_ = state; }
208 204
209 void AddDeferred(DeferredCode* code) { deferred_.Add(code); } 205 void AddDeferred(DeferredCode* code) { deferred_.Add(code); }
210 206
211 static const int kUnknownIntValue = -1; 207 static const int kUnknownIntValue = -1;
212 208
213 private: 209 private:
214 // Construction/Destruction 210 // Construction/Destruction
215 CodeGenerator(MacroAssembler* masm, Handle<Script> script, bool is_eval); 211 CodeGenerator(MacroAssembler* masm);
216 212
217 // Accessors 213 // Accessors
218 Scope* scope() const { return scope_; } 214 inline bool is_eval();
215 Scope* scope();
219 216
220 // Generating deferred code. 217 // Generating deferred code.
221 void ProcessDeferred(); 218 void ProcessDeferred();
222 219
223 bool is_eval() { return is_eval_; }
224
225 // State 220 // State
226 bool has_cc() const { return cc_reg_ != al; } 221 bool has_cc() const { return cc_reg_ != al; }
227 JumpTarget* true_target() const { return state_->true_target(); } 222 JumpTarget* true_target() const { return state_->true_target(); }
228 JumpTarget* false_target() const { return state_->false_target(); } 223 JumpTarget* false_target() const { return state_->false_target(); }
229 224
230 // We don't track loop nesting level on ARM yet. 225 // We don't track loop nesting level on ARM yet.
231 int loop_nesting() const { return 0; } 226 int loop_nesting() const { return 0; }
232 227
233 // Node visitors. 228 // Node visitors.
234 void VisitStatements(ZoneList<Statement*>* statements); 229 void VisitStatements(ZoneList<Statement*>* statements);
235 230
236 #define DEF_VISIT(type) \ 231 #define DEF_VISIT(type) \
237 void Visit##type(type* node); 232 void Visit##type(type* node);
238 AST_NODE_LIST(DEF_VISIT) 233 AST_NODE_LIST(DEF_VISIT)
239 #undef DEF_VISIT 234 #undef DEF_VISIT
240 235
241 // Visit a statement and then spill the virtual frame if control flow can 236 // Visit a statement and then spill the virtual frame if control flow can
242 // reach the end of the statement (ie, it does not exit via break, 237 // reach the end of the statement (ie, it does not exit via break,
243 // continue, return, or throw). This function is used temporarily while 238 // continue, return, or throw). This function is used temporarily while
244 // the code generator is being transformed. 239 // the code generator is being transformed.
245 inline void VisitAndSpill(Statement* statement); 240 inline void VisitAndSpill(Statement* statement);
246 241
247 // Visit a list of statements and then spill the virtual frame if control 242 // Visit a list of statements and then spill the virtual frame if control
248 // flow can reach the end of the list. 243 // flow can reach the end of the list.
249 inline void VisitStatementsAndSpill(ZoneList<Statement*>* statements); 244 inline void VisitStatementsAndSpill(ZoneList<Statement*>* statements);
250 245
251 // Main code generation function 246 // Main code generation function
252 void Generate(FunctionLiteral* fun, Mode mode, CompilationInfo* info); 247 void Generate(CompilationInfo* info, Mode mode);
253 248
254 // The following are used by class Reference. 249 // The following are used by class Reference.
255 void LoadReference(Reference* ref); 250 void LoadReference(Reference* ref);
256 void UnloadReference(Reference* ref); 251 void UnloadReference(Reference* ref);
257 252
258 static MemOperand ContextOperand(Register context, int index) { 253 static MemOperand ContextOperand(Register context, int index) {
259 return MemOperand(context, Context::SlotOffset(index)); 254 return MemOperand(context, Context::SlotOffset(index));
260 } 255 }
261 256
262 MemOperand SlotOperand(Slot* slot, Register tmp); 257 MemOperand SlotOperand(Slot* slot, Register tmp);
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418 void CodeForReturnPosition(FunctionLiteral* fun); 413 void CodeForReturnPosition(FunctionLiteral* fun);
419 void CodeForStatementPosition(Statement* node); 414 void CodeForStatementPosition(Statement* node);
420 void CodeForDoWhileConditionPosition(DoWhileStatement* stmt); 415 void CodeForDoWhileConditionPosition(DoWhileStatement* stmt);
421 void CodeForSourcePosition(int pos); 416 void CodeForSourcePosition(int pos);
422 417
423 #ifdef DEBUG 418 #ifdef DEBUG
424 // True if the registers are valid for entry to a block. 419 // True if the registers are valid for entry to a block.
425 bool HasValidEntryRegisters(); 420 bool HasValidEntryRegisters();
426 #endif 421 #endif
427 422
428 bool is_eval_; // Tells whether code is generated for eval.
429
430 Handle<Script> script_;
431 List<DeferredCode*> deferred_; 423 List<DeferredCode*> deferred_;
432 424
433 // Assembler 425 // Assembler
434 MacroAssembler* masm_; // to generate code 426 MacroAssembler* masm_; // to generate code
435 427
428 CompilationInfo* info_;
429
436 // Code generation state 430 // Code generation state
437 Scope* scope_;
438 VirtualFrame* frame_; 431 VirtualFrame* frame_;
439 RegisterAllocator* allocator_; 432 RegisterAllocator* allocator_;
440 Condition cc_reg_; 433 Condition cc_reg_;
441 CodeGenState* state_; 434 CodeGenState* state_;
442 435
443 // Jump targets 436 // Jump targets
444 BreakTarget function_return_; 437 BreakTarget function_return_;
445 438
446 // True if the function return is shadowed (ie, jumping to the target 439 // True if the function return is shadowed (ie, jumping to the target
447 // function_return_ does not jump to the true function return, but rather 440 // function_return_ does not jump to the true function return, but rather
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556 Major MajorKey() { return StringCompare; } 549 Major MajorKey() { return StringCompare; }
557 int MinorKey() { return 0; } 550 int MinorKey() { return 0; }
558 551
559 void Generate(MacroAssembler* masm); 552 void Generate(MacroAssembler* masm);
560 }; 553 };
561 554
562 555
563 } } // namespace v8::internal 556 } } // namespace v8::internal
564 557
565 #endif // V8_ARM_CODEGEN_ARM_H_ 558 #endif // V8_ARM_CODEGEN_ARM_H_
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