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Side by Side Diff: runtime/vm/assembler_ia32.h

Issue 11412106: Support VTune's JIT interface. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Address comments Created 8 years ago
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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 #ifndef VM_ASSEMBLER_IA32_H_ 5 #ifndef VM_ASSEMBLER_IA32_H_
6 #define VM_ASSEMBLER_IA32_H_ 6 #define VM_ASSEMBLER_IA32_H_
7 7
8 #ifndef VM_ASSEMBLER_H_ 8 #ifndef VM_ASSEMBLER_H_
9 #error Do not include assembler_ia32.h directly; use assembler.h instead. 9 #error Do not include assembler_ia32.h directly; use assembler.h instead.
10 #endif 10 #endif
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268 static bool sse2_supported_; 268 static bool sse2_supported_;
269 static bool sse4_1_supported_; 269 static bool sse4_1_supported_;
270 #ifdef DEBUG 270 #ifdef DEBUG
271 static bool initialized_; 271 static bool initialized_;
272 #endif 272 #endif
273 }; 273 };
274 274
275 275
276 class Assembler : public ValueObject { 276 class Assembler : public ValueObject {
277 public: 277 public:
278 Assembler() : buffer_(), prolog_offset_(-1), comments_() { } 278 Assembler() : buffer_(), prologue_offset_(-1), comments_() { }
279 ~Assembler() { } 279 ~Assembler() { }
280 280
281 static const bool kNearJump = true; 281 static const bool kNearJump = true;
282 static const bool kFarJump = false; 282 static const bool kFarJump = false;
283 283
284 /* 284 /*
285 * Emit Machine Instructions. 285 * Emit Machine Instructions.
286 */ 286 */
287 void call(Register reg); 287 void call(Register reg);
288 void call(const Address& address); 288 void call(const Address& address);
(...skipping 307 matching lines...) Expand 10 before | Expand all | Expand 10 after
596 596
597 void SmiUntag(Register reg) { 597 void SmiUntag(Register reg) {
598 sarl(reg, Immediate(kSmiTagSize)); 598 sarl(reg, Immediate(kSmiTagSize));
599 } 599 }
600 600
601 int PreferredLoopAlignment() { return 16; } 601 int PreferredLoopAlignment() { return 16; }
602 void Align(int alignment, int offset); 602 void Align(int alignment, int offset);
603 void Bind(Label* label); 603 void Bind(Label* label);
604 604
605 int CodeSize() const { return buffer_.Size(); } 605 int CodeSize() const { return buffer_.Size(); }
606 int prolog_offset() const { return prolog_offset_; } 606 int prologue_offset() const { return prologue_offset_; }
607 const ZoneGrowableArray<int>& GetPointerOffsets() const { 607 const ZoneGrowableArray<int>& GetPointerOffsets() const {
608 return buffer_.pointer_offsets(); 608 return buffer_.pointer_offsets();
609 } 609 }
610 610
611 void FinalizeInstructions(const MemoryRegion& region) { 611 void FinalizeInstructions(const MemoryRegion& region) {
612 buffer_.FinalizeInstructions(region); 612 buffer_.FinalizeInstructions(region);
613 } 613 }
614 614
615 // Debugging and bringup support. 615 // Debugging and bringup support.
616 void Stop(const char* message); 616 void Stop(const char* message);
617 void Unimplemented(const char* message); 617 void Unimplemented(const char* message);
618 void Untested(const char* message); 618 void Untested(const char* message);
619 void Unreachable(const char* message); 619 void Unreachable(const char* message);
620 620
621 static void InitializeMemoryWithBreakpoints(uword data, int length); 621 static void InitializeMemoryWithBreakpoints(uword data, int length);
622 622
623 void Comment(const char* format, ...) PRINTF_ATTRIBUTE(2, 3); 623 void Comment(const char* format, ...) PRINTF_ATTRIBUTE(2, 3);
624 const Code::Comments& GetCodeComments() const; 624 const Code::Comments& GetCodeComments() const;
625 625
626 static const char* RegisterName(Register reg); 626 static const char* RegisterName(Register reg);
627 static const char* XmmRegisterName(XmmRegister reg); 627 static const char* XmmRegisterName(XmmRegister reg);
628 628
629 private: 629 private:
630 AssemblerBuffer buffer_; 630 AssemblerBuffer buffer_;
631 int prolog_offset_; 631 int prologue_offset_;
632 632
633 class CodeComment : public ZoneAllocated { 633 class CodeComment : public ZoneAllocated {
634 public: 634 public:
635 CodeComment(intptr_t pc_offset, const String& comment) 635 CodeComment(intptr_t pc_offset, const String& comment)
636 : pc_offset_(pc_offset), comment_(comment) { } 636 : pc_offset_(pc_offset), comment_(comment) { }
637 637
638 intptr_t pc_offset() const { return pc_offset_; } 638 intptr_t pc_offset() const { return pc_offset_; }
639 const String& comment() const { return comment_; } 639 const String& comment() const { return comment_; }
640 640
641 private: 641 private:
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697 } 697 }
698 698
699 699
700 inline void Assembler::EmitOperandSizeOverride() { 700 inline void Assembler::EmitOperandSizeOverride() {
701 EmitUint8(0x66); 701 EmitUint8(0x66);
702 } 702 }
703 703
704 } // namespace dart 704 } // namespace dart
705 705
706 #endif // VM_ASSEMBLER_IA32_H_ 706 #endif // VM_ASSEMBLER_IA32_H_
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