diff options
Diffstat (limited to 'chromium/v8/src/x64/regexp-macro-assembler-x64.h')
| -rw-r--r-- | chromium/v8/src/x64/regexp-macro-assembler-x64.h | 84 |
1 files changed, 32 insertions, 52 deletions
diff --git a/chromium/v8/src/x64/regexp-macro-assembler-x64.h b/chromium/v8/src/x64/regexp-macro-assembler-x64.h index b230ea47fc6..89d8d3b5cc7 100644 --- a/chromium/v8/src/x64/regexp-macro-assembler-x64.h +++ b/chromium/v8/src/x64/regexp-macro-assembler-x64.h @@ -1,38 +1,15 @@ // 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: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following -// disclaimer in the documentation and/or other materials provided -// with the distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived -// from this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. #ifndef V8_X64_REGEXP_MACRO_ASSEMBLER_X64_H_ #define V8_X64_REGEXP_MACRO_ASSEMBLER_X64_H_ -#include "x64/assembler-x64.h" -#include "x64/assembler-x64-inl.h" -#include "macro-assembler.h" -#include "code.h" -#include "x64/macro-assembler-x64.h" +#include "src/x64/assembler-x64.h" +#include "src/x64/assembler-x64-inl.h" +#include "src/macro-assembler.h" +#include "src/code.h" +#include "src/x64/macro-assembler-x64.h" namespace v8 { namespace internal { @@ -135,8 +112,8 @@ class RegExpMacroAssemblerX64: public NativeRegExpMacroAssembler { // Offsets from rbp of function parameters and stored registers. static const int kFramePointer = 0; // Above the frame pointer - function parameters and return address. - static const int kReturn_eip = kFramePointer + kPointerSize; - static const int kFrameAlign = kReturn_eip + kPointerSize; + static const int kReturn_eip = kFramePointer + kRegisterSize; + static const int kFrameAlign = kReturn_eip + kRegisterSize; #ifdef _WIN64 // Parameters (first four passed as registers, but with room on stack). @@ -145,49 +122,50 @@ class RegExpMacroAssemblerX64: public NativeRegExpMacroAssembler { // use this space to store the register passed parameters. static const int kInputString = kFrameAlign; // StartIndex is passed as 32 bit int. - static const int kStartIndex = kInputString + kPointerSize; - static const int kInputStart = kStartIndex + kPointerSize; - static const int kInputEnd = kInputStart + kPointerSize; - static const int kRegisterOutput = kInputEnd + kPointerSize; + static const int kStartIndex = kInputString + kRegisterSize; + static const int kInputStart = kStartIndex + kRegisterSize; + static const int kInputEnd = kInputStart + kRegisterSize; + static const int kRegisterOutput = kInputEnd + kRegisterSize; // 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; + static const int kNumOutputRegisters = kRegisterOutput + kRegisterSize; + static const int kStackHighEnd = kNumOutputRegisters + kRegisterSize; // DirectCall is passed as 32 bit int (values 0 or 1). - static const int kDirectCall = kStackHighEnd + kPointerSize; - static const int kIsolate = kDirectCall + kPointerSize; + static const int kDirectCall = kStackHighEnd + kRegisterSize; + static const int kIsolate = kDirectCall + kRegisterSize; #else // In AMD64 ABI Calling Convention, the first six integer parameters // are passed as registers, and caller must allocate space on the stack // if it wants them stored. We push the parameters after the frame pointer. - static const int kInputString = kFramePointer - kPointerSize; - static const int kStartIndex = kInputString - kPointerSize; - static const int kInputStart = kStartIndex - kPointerSize; - static const int kInputEnd = kInputStart - kPointerSize; - static const int kRegisterOutput = kInputEnd - kPointerSize; + static const int kInputString = kFramePointer - kRegisterSize; + static const int kStartIndex = kInputString - kRegisterSize; + static const int kInputStart = kStartIndex - kRegisterSize; + static const int kInputEnd = kInputStart - kRegisterSize; + static const int kRegisterOutput = kInputEnd - kRegisterSize; + // 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 kNumOutputRegisters = kRegisterOutput - kRegisterSize; static const int kStackHighEnd = kFrameAlign; - static const int kDirectCall = kStackHighEnd + kPointerSize; - static const int kIsolate = kDirectCall + kPointerSize; + static const int kDirectCall = kStackHighEnd + kRegisterSize; + static const int kIsolate = kDirectCall + kRegisterSize; #endif #ifdef _WIN64 // Microsoft calling convention has three callee-saved registers // (that we are using). We push these after the frame pointer. - static const int kBackup_rsi = kFramePointer - kPointerSize; - static const int kBackup_rdi = kBackup_rsi - kPointerSize; - static const int kBackup_rbx = kBackup_rdi - kPointerSize; + static const int kBackup_rsi = kFramePointer - kRegisterSize; + static const int kBackup_rdi = kBackup_rsi - kRegisterSize; + static const int kBackup_rbx = kBackup_rdi - kRegisterSize; static const int kLastCalleeSaveRegister = kBackup_rbx; #else // 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 = kNumOutputRegisters - kPointerSize; + static const int kBackup_rbx = kNumOutputRegisters - kRegisterSize; static const int kLastCalleeSaveRegister = kBackup_rbx; #endif @@ -268,6 +246,8 @@ class RegExpMacroAssemblerX64: public NativeRegExpMacroAssembler { // Increments the stack pointer (rcx) by a word size. inline void Drop(); + inline void ReadPositionFromRegister(Register dst, int reg); + Isolate* isolate() const { return masm_.isolate(); } MacroAssembler masm_; |