diff options
Diffstat (limited to 'src/3rdparty/v8/src/x64/regexp-macro-assembler-x64.h')
-rw-r--r-- | src/3rdparty/v8/src/x64/regexp-macro-assembler-x64.h | 30 |
1 files changed, 19 insertions, 11 deletions
diff --git a/src/3rdparty/v8/src/x64/regexp-macro-assembler-x64.h b/src/3rdparty/v8/src/x64/regexp-macro-assembler-x64.h index cd24b60..a082cf2 100644 --- a/src/3rdparty/v8/src/x64/regexp-macro-assembler-x64.h +++ b/src/3rdparty/v8/src/x64/regexp-macro-assembler-x64.h @@ -1,4 +1,4 @@ -// Copyright 2010 the V8 project authors. All rights reserved. +// Copyright 2012 the V8 project authors. All rights reserved. // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: @@ -41,7 +41,7 @@ namespace internal { class RegExpMacroAssemblerX64: public NativeRegExpMacroAssembler { public: - RegExpMacroAssemblerX64(Mode mode, int registers_to_save); + RegExpMacroAssemblerX64(Mode mode, int registers_to_save, Zone* zone); virtual ~RegExpMacroAssemblerX64(); virtual int stack_limit_slack(); virtual void AdvanceCurrentPosition(int by); @@ -66,7 +66,6 @@ class RegExpMacroAssemblerX64: public NativeRegExpMacroAssembler { virtual void CheckNotBackReference(int start_reg, Label* on_no_match); virtual void CheckNotBackReferenceIgnoreCase(int start_reg, Label* on_no_match); - virtual void CheckNotRegistersEqual(int reg1, int reg2, Label* on_not_equal); virtual void CheckNotCharacter(uint32_t c, Label* on_not_equal); virtual void CheckNotCharacterAfterAnd(uint32_t c, uint32_t mask, @@ -109,7 +108,7 @@ class RegExpMacroAssemblerX64: public NativeRegExpMacroAssembler { virtual void ReadStackPointerFromRegister(int reg); virtual void SetCurrentPositionFromEnd(int by); virtual void SetRegister(int register_index, int to); - virtual void Succeed(); + virtual bool Succeed(); virtual void WriteCurrentPositionToRegister(int reg, int cp_offset); virtual void ClearRegisters(int reg_from, int reg_to); virtual void WriteStackPointerToRegister(int reg); @@ -154,7 +153,12 @@ class RegExpMacroAssemblerX64: public NativeRegExpMacroAssembler { static const int kInputStart = kStartIndex + kPointerSize; static const int kInputEnd = kInputStart + kPointerSize; static const int kRegisterOutput = kInputEnd + kPointerSize; - static const int kStackHighEnd = kRegisterOutput + kPointerSize; + // For the case of global regular expression, we have room to store at least + // one set of capture results. For the case of non-global regexp, we ignore + // this value. NumOutputRegisters is passed as 32-bit value. The upper + // 32 bit of this 64-bit stack slot may contain garbage. + static const int kNumOutputRegisters = kRegisterOutput + kPointerSize; + static const int kStackHighEnd = kNumOutputRegisters + kPointerSize; // DirectCall is passed as 32 bit int (values 0 or 1). static const int kDirectCall = kStackHighEnd + kPointerSize; static const int kIsolate = kDirectCall + kPointerSize; @@ -167,8 +171,12 @@ class RegExpMacroAssemblerX64: public NativeRegExpMacroAssembler { static const int kInputStart = kStartIndex - kPointerSize; static const int kInputEnd = kInputStart - kPointerSize; static const int kRegisterOutput = kInputEnd - kPointerSize; - static const int kStackHighEnd = kRegisterOutput - kPointerSize; - static const int kDirectCall = kFrameAlign; + // For the case of global regular expression, we have room to store at least + // one set of capture results. For the case of non-global regexp, we ignore + // this value. + static const int kNumOutputRegisters = kRegisterOutput - kPointerSize; + static const int kStackHighEnd = kFrameAlign; + static const int kDirectCall = kStackHighEnd + kPointerSize; static const int kIsolate = kDirectCall + kPointerSize; #endif @@ -183,14 +191,14 @@ class RegExpMacroAssemblerX64: public NativeRegExpMacroAssembler { // AMD64 Calling Convention has only one callee-save register that // we use. We push this after the frame pointer (and after the // parameters). - static const int kBackup_rbx = kStackHighEnd - kPointerSize; + static const int kBackup_rbx = kNumOutputRegisters - kPointerSize; static const int kLastCalleeSaveRegister = kBackup_rbx; #endif + static const int kSuccessfulCaptures = kLastCalleeSaveRegister - kPointerSize; // When adding local variables remember to push space for them in // the frame in GetCode. - static const int kInputStartMinusOne = - kLastCalleeSaveRegister - kPointerSize; + static const int kInputStartMinusOne = kSuccessfulCaptures - kPointerSize; // First register address. Following registers are below it on the stack. static const int kRegisterZero = kInputStartMinusOne - kPointerSize; @@ -232,7 +240,7 @@ class RegExpMacroAssemblerX64: public NativeRegExpMacroAssembler { void BranchOrBacktrack(Condition condition, Label* to); void MarkPositionForCodeRelativeFixup() { - code_relative_fixup_positions_.Add(masm_.pc_offset()); + code_relative_fixup_positions_.Add(masm_.pc_offset(), zone()); } void FixupCodeRelativePositions(); |