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Side by Side Diff: src/mips/virtual-frame-mips.h

Issue 870002: Fix compile of MIPS port (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 10 years, 9 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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64 inline VirtualFrame(); 64 inline VirtualFrame();
65 65
66 // Construct a virtual frame as a clone of an existing one. 66 // Construct a virtual frame as a clone of an existing one.
67 explicit inline VirtualFrame(VirtualFrame* original); 67 explicit inline VirtualFrame(VirtualFrame* original);
68 68
69 CodeGenerator* cgen() { return CodeGeneratorScope::Current(); } 69 CodeGenerator* cgen() { return CodeGeneratorScope::Current(); }
70 MacroAssembler* masm() { return cgen()->masm(); } 70 MacroAssembler* masm() { return cgen()->masm(); }
71 71
72 // Create a duplicate of an existing valid frame element. 72 // Create a duplicate of an existing valid frame element.
73 FrameElement CopyElementAt(int index, 73 FrameElement CopyElementAt(int index,
74 NumberInfo::Type info = NumberInfo::kUnknown); 74 NumberInfo info = NumberInfo::Unknown());
75 75
76 // The number of elements on the virtual frame. 76 // The number of elements on the virtual frame.
77 int element_count() { return elements_.length(); } 77 int element_count() { return elements_.length(); }
78 78
79 // The height of the virtual expression stack. 79 // The height of the virtual expression stack.
80 int height() { 80 int height() {
81 return element_count() - expression_base_index(); 81 return element_count() - expression_base_index();
82 } 82 }
83 83
84 int register_location(int num) { 84 int register_location(int num) {
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360 void EmitMultiPopReversed(RegList regs); // lower first 360 void EmitMultiPopReversed(RegList regs); // lower first
361 361
362 // Push an element on top of the expression stack and emit a 362 // Push an element on top of the expression stack and emit a
363 // corresponding push instruction. 363 // corresponding push instruction.
364 void EmitPush(Register reg); 364 void EmitPush(Register reg);
365 // Same but for multiple registers. 365 // Same but for multiple registers.
366 void EmitMultiPush(RegList regs); // lower indexed registers are pushed first 366 void EmitMultiPush(RegList regs); // lower indexed registers are pushed first
367 void EmitMultiPushReversed(RegList regs); // higher first 367 void EmitMultiPushReversed(RegList regs); // higher first
368 368
369 // Push an element on the virtual frame. 369 // Push an element on the virtual frame.
370 inline void Push(Register reg, NumberInfo::Type info = NumberInfo::kUnknown); 370 inline void Push(Register reg, NumberInfo info = NumberInfo::Unknown());
371 inline void Push(Handle<Object> value); 371 inline void Push(Handle<Object> value);
372 inline void Push(Smi* value); 372 inline void Push(Smi* value);
373 373
374 // Pushing a result invalidates it (its contents become owned by the frame). 374 // Pushing a result invalidates it (its contents become owned by the frame).
375 void Push(Result* result) { 375 void Push(Result* result) {
376 if (result->is_register()) { 376 if (result->is_register()) {
377 Push(result->reg()); 377 Push(result->reg());
378 } else { 378 } else {
379 ASSERT(result->is_constant()); 379 ASSERT(result->is_constant());
380 Push(result->handle()); 380 Push(result->handle());
381 } 381 }
382 result->Unuse(); 382 result->Unuse();
383 } 383 }
384 384
385 // Nip removes zero or more elements from immediately below the top 385 // Nip removes zero or more elements from immediately below the top
386 // of the frame, leaving the previous top-of-frame value on top of 386 // of the frame, leaving the previous top-of-frame value on top of
387 // the frame. Nip(k) is equivalent to x = Pop(), Drop(k), Push(x). 387 // the frame. Nip(k) is equivalent to x = Pop(), Drop(k), Push(x).
388 inline void Nip(int num_dropped); 388 inline void Nip(int num_dropped);
389 389
390 // This pushes 4 arguments slots on the stack and saves asked 'a' registers 390 // This pushes 4 arguments slots on the stack and saves asked 'a' registers
391 // 'a' registers are arguments register a0 to a3. 391 // 'a' registers are arguments register a0 to a3.
392 void EmitArgumentSlots(RegList reglist); 392 void EmitArgumentSlots(RegList reglist);
393 393
394 inline void SetTypeForLocalAt(int index, NumberInfo info);
395
394 private: 396 private:
395 static const int kLocal0Offset = JavaScriptFrameConstants::kLocal0Offset; 397 static const int kLocal0Offset = JavaScriptFrameConstants::kLocal0Offset;
396 static const int kFunctionOffset = JavaScriptFrameConstants::kFunctionOffset; 398 static const int kFunctionOffset = JavaScriptFrameConstants::kFunctionOffset;
397 static const int kContextOffset = StandardFrameConstants::kContextOffset; 399 static const int kContextOffset = StandardFrameConstants::kContextOffset;
398 400
399 static const int kHandlerSize = StackHandlerConstants::kSize / kPointerSize; 401 static const int kHandlerSize = StackHandlerConstants::kSize / kPointerSize;
400 static const int kPreallocatedElements = 5 + 8; // 8 expression stack slots. 402 static const int kPreallocatedElements = 5 + 8; // 8 expression stack slots.
401 403
402 ZoneList<FrameElement> elements_; 404 ZoneList<FrameElement> elements_;
403 405
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540 // Classes that need raw access to the elements_ array. 542 // Classes that need raw access to the elements_ array.
541 friend class DeferredCode; 543 friend class DeferredCode;
542 friend class JumpTarget; 544 friend class JumpTarget;
543 }; 545 };
544 546
545 547
546 } } // namespace v8::internal 548 } } // namespace v8::internal
547 549
548 #endif // V8_MIPS_VIRTUAL_FRAME_MIPS_H_ 550 #endif // V8_MIPS_VIRTUAL_FRAME_MIPS_H_
549 551
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