diff options
Diffstat (limited to 'JavaScriptCore/jit/JIT.h')
| -rw-r--r-- | JavaScriptCore/jit/JIT.h | 1046 |
1 files changed, 0 insertions, 1046 deletions
diff --git a/JavaScriptCore/jit/JIT.h b/JavaScriptCore/jit/JIT.h deleted file mode 100644 index 907a774..0000000 --- a/JavaScriptCore/jit/JIT.h +++ /dev/null @@ -1,1046 +0,0 @@ -/* - * Copyright (C) 2008 Apple Inc. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. 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. - * - * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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. - */ - -#ifndef JIT_h -#define JIT_h - -#if ENABLE(JIT) - -// We've run into some problems where changing the size of the class JIT leads to -// performance fluctuations. Try forcing alignment in an attempt to stabalize this. -#if COMPILER(GCC) -#define JIT_CLASS_ALIGNMENT __attribute__ ((aligned (32))) -#else -#define JIT_CLASS_ALIGNMENT -#endif - -#define ASSERT_JIT_OFFSET(actual, expected) ASSERT_WITH_MESSAGE(actual == expected, "JIT Offset \"%s\" should be %d, not %d.\n", #expected, static_cast<int>(actual), static_cast<int>(expected)); - -#include "CodeBlock.h" -#include "Interpreter.h" -#include "JSInterfaceJIT.h" -#include "Opcode.h" -#include "Profiler.h" -#include <bytecode/SamplingTool.h> - -namespace JSC { - - class CodeBlock; - class JIT; - class JSPropertyNameIterator; - class Interpreter; - class Register; - class RegisterFile; - class ScopeChainNode; - class StructureChain; - - struct CallLinkInfo; - struct Instruction; - struct OperandTypes; - struct PolymorphicAccessStructureList; - struct SimpleJumpTable; - struct StringJumpTable; - struct StructureStubInfo; - - struct CallRecord { - MacroAssembler::Call from; - unsigned bytecodeOffset; - void* to; - - CallRecord() - { - } - - CallRecord(MacroAssembler::Call from, unsigned bytecodeOffset, void* to = 0) - : from(from) - , bytecodeOffset(bytecodeOffset) - , to(to) - { - } - }; - - struct JumpTable { - MacroAssembler::Jump from; - unsigned toBytecodeOffset; - - JumpTable(MacroAssembler::Jump f, unsigned t) - : from(f) - , toBytecodeOffset(t) - { - } - }; - - struct SlowCaseEntry { - MacroAssembler::Jump from; - unsigned to; - unsigned hint; - - SlowCaseEntry(MacroAssembler::Jump f, unsigned t, unsigned h = 0) - : from(f) - , to(t) - , hint(h) - { - } - }; - - struct SwitchRecord { - enum Type { - Immediate, - Character, - String - }; - - Type type; - - union { - SimpleJumpTable* simpleJumpTable; - StringJumpTable* stringJumpTable; - } jumpTable; - - unsigned bytecodeOffset; - unsigned defaultOffset; - - SwitchRecord(SimpleJumpTable* jumpTable, unsigned bytecodeOffset, unsigned defaultOffset, Type type) - : type(type) - , bytecodeOffset(bytecodeOffset) - , defaultOffset(defaultOffset) - { - this->jumpTable.simpleJumpTable = jumpTable; - } - - SwitchRecord(StringJumpTable* jumpTable, unsigned bytecodeOffset, unsigned defaultOffset) - : type(String) - , bytecodeOffset(bytecodeOffset) - , defaultOffset(defaultOffset) - { - this->jumpTable.stringJumpTable = jumpTable; - } - }; - - struct PropertyStubCompilationInfo { - MacroAssembler::Call callReturnLocation; - MacroAssembler::Label hotPathBegin; - }; - - struct StructureStubCompilationInfo { - MacroAssembler::DataLabelPtr hotPathBegin; - MacroAssembler::Call hotPathOther; - MacroAssembler::Call callReturnLocation; - }; - - struct MethodCallCompilationInfo { - MethodCallCompilationInfo(unsigned propertyAccessIndex) - : propertyAccessIndex(propertyAccessIndex) - { - } - - MacroAssembler::DataLabelPtr structureToCompare; - unsigned propertyAccessIndex; - }; - - // Near calls can only be patched to other JIT code, regular calls can be patched to JIT code or relinked to stub functions. - void ctiPatchNearCallByReturnAddress(CodeBlock* codeblock, ReturnAddressPtr returnAddress, MacroAssemblerCodePtr newCalleeFunction); - void ctiPatchCallByReturnAddress(CodeBlock* codeblock, ReturnAddressPtr returnAddress, MacroAssemblerCodePtr newCalleeFunction); - void ctiPatchCallByReturnAddress(CodeBlock* codeblock, ReturnAddressPtr returnAddress, FunctionPtr newCalleeFunction); - - class JIT : private JSInterfaceJIT { - friend class JITStubCall; - - using MacroAssembler::Jump; - using MacroAssembler::JumpList; - using MacroAssembler::Label; - - static const int patchGetByIdDefaultStructure = -1; - // Magic number - initial offset cannot be representable as a signed 8bit value, or the X86Assembler - // will compress the displacement, and we may not be able to fit a patched offset. - static const int patchGetByIdDefaultOffset = 256; - - public: - static JITCode compile(JSGlobalData* globalData, CodeBlock* codeBlock, CodePtr* functionEntryArityCheck = 0, void* offsetBase = 0) - { - return JIT(globalData, codeBlock, offsetBase).privateCompile(functionEntryArityCheck); - } - - static void compileGetByIdProto(JSGlobalData* globalData, CallFrame* callFrame, CodeBlock* codeBlock, StructureStubInfo* stubInfo, Structure* structure, Structure* prototypeStructure, const Identifier& ident, const PropertySlot& slot, size_t cachedOffset, ReturnAddressPtr returnAddress) - { - JIT jit(globalData, codeBlock); - jit.privateCompileGetByIdProto(stubInfo, structure, prototypeStructure, ident, slot, cachedOffset, returnAddress, callFrame); - } - - static void compileGetByIdSelfList(JSGlobalData* globalData, CodeBlock* codeBlock, StructureStubInfo* stubInfo, PolymorphicAccessStructureList* polymorphicStructures, int currentIndex, Structure* structure, const Identifier& ident, const PropertySlot& slot, size_t cachedOffset) - { - JIT jit(globalData, codeBlock); - jit.privateCompileGetByIdSelfList(stubInfo, polymorphicStructures, currentIndex, structure, ident, slot, cachedOffset); - } - static void compileGetByIdProtoList(JSGlobalData* globalData, CallFrame* callFrame, CodeBlock* codeBlock, StructureStubInfo* stubInfo, PolymorphicAccessStructureList* prototypeStructureList, int currentIndex, Structure* structure, Structure* prototypeStructure, const Identifier& ident, const PropertySlot& slot, size_t cachedOffset) - { - JIT jit(globalData, codeBlock); - jit.privateCompileGetByIdProtoList(stubInfo, prototypeStructureList, currentIndex, structure, prototypeStructure, ident, slot, cachedOffset, callFrame); - } - static void compileGetByIdChainList(JSGlobalData* globalData, CallFrame* callFrame, CodeBlock* codeBlock, StructureStubInfo* stubInfo, PolymorphicAccessStructureList* prototypeStructureList, int currentIndex, Structure* structure, StructureChain* chain, size_t count, const Identifier& ident, const PropertySlot& slot, size_t cachedOffset) - { - JIT jit(globalData, codeBlock); - jit.privateCompileGetByIdChainList(stubInfo, prototypeStructureList, currentIndex, structure, chain, count, ident, slot, cachedOffset, callFrame); - } - - static void compileGetByIdChain(JSGlobalData* globalData, CallFrame* callFrame, CodeBlock* codeBlock, StructureStubInfo* stubInfo, Structure* structure, StructureChain* chain, size_t count, const Identifier& ident, const PropertySlot& slot, size_t cachedOffset, ReturnAddressPtr returnAddress) - { - JIT jit(globalData, codeBlock); - jit.privateCompileGetByIdChain(stubInfo, structure, chain, count, ident, slot, cachedOffset, returnAddress, callFrame); - } - - static void compilePutByIdTransition(JSGlobalData* globalData, CodeBlock* codeBlock, StructureStubInfo* stubInfo, Structure* oldStructure, Structure* newStructure, size_t cachedOffset, StructureChain* chain, ReturnAddressPtr returnAddress, bool direct) - { - JIT jit(globalData, codeBlock); - jit.privateCompilePutByIdTransition(stubInfo, oldStructure, newStructure, cachedOffset, chain, returnAddress, direct); - } - - static void compileCTIMachineTrampolines(JSGlobalData* globalData, RefPtr<ExecutablePool>* executablePool, TrampolineStructure *trampolines) - { - if (!globalData->canUseJIT()) - return; - JIT jit(globalData, 0, 0); - jit.privateCompileCTIMachineTrampolines(executablePool, globalData, trampolines); - } - - static CodePtr compileCTINativeCall(JSGlobalData* globalData, PassRefPtr<ExecutablePool> executablePool, NativeFunction func) - { - if (!globalData->canUseJIT()) - return CodePtr(); - JIT jit(globalData, 0, 0); - return jit.privateCompileCTINativeCall(executablePool, globalData, func); - } - - static void patchGetByIdSelf(CodeBlock* codeblock, StructureStubInfo*, Structure*, size_t cachedOffset, ReturnAddressPtr returnAddress); - static void patchPutByIdReplace(CodeBlock* codeblock, StructureStubInfo*, Structure*, size_t cachedOffset, ReturnAddressPtr returnAddress, bool direct); - static void patchMethodCallProto(CodeBlock* codeblock, MethodCallLinkInfo&, JSFunction*, Structure*, JSObject*, ReturnAddressPtr); - - static void compilePatchGetArrayLength(JSGlobalData* globalData, CodeBlock* codeBlock, ReturnAddressPtr returnAddress) - { - JIT jit(globalData, codeBlock); - return jit.privateCompilePatchGetArrayLength(returnAddress); - } - - static void linkCall(JSFunction* callee, CodeBlock* callerCodeBlock, CodeBlock* calleeCodeBlock, CodePtr, CallLinkInfo*, int callerArgCount, JSGlobalData*); - static void linkConstruct(JSFunction* callee, CodeBlock* callerCodeBlock, CodeBlock* calleeCodeBlock, CodePtr, CallLinkInfo*, int callerArgCount, JSGlobalData*); - static void unlinkCallOrConstruct(CallLinkInfo*); - - private: - struct JSRInfo { - DataLabelPtr storeLocation; - Label target; - - JSRInfo(DataLabelPtr storeLocation, Label targetLocation) - : storeLocation(storeLocation) - , target(targetLocation) - { - } - }; - - JIT(JSGlobalData*, CodeBlock* = 0, void* = 0); - - void privateCompileMainPass(); - void privateCompileLinkPass(); - void privateCompileSlowCases(); - JITCode privateCompile(CodePtr* functionEntryArityCheck); - void privateCompileGetByIdProto(StructureStubInfo*, Structure*, Structure* prototypeStructure, const Identifier&, const PropertySlot&, size_t cachedOffset, ReturnAddressPtr returnAddress, CallFrame* callFrame); - void privateCompileGetByIdSelfList(StructureStubInfo*, PolymorphicAccessStructureList*, int, Structure*, const Identifier&, const PropertySlot&, size_t cachedOffset); - void privateCompileGetByIdProtoList(StructureStubInfo*, PolymorphicAccessStructureList*, int, Structure*, Structure* prototypeStructure, const Identifier&, const PropertySlot&, size_t cachedOffset, CallFrame* callFrame); - void privateCompileGetByIdChainList(StructureStubInfo*, PolymorphicAccessStructureList*, int, Structure*, StructureChain* chain, size_t count, const Identifier&, const PropertySlot&, size_t cachedOffset, CallFrame* callFrame); - void privateCompileGetByIdChain(StructureStubInfo*, Structure*, StructureChain*, size_t count, const Identifier&, const PropertySlot&, size_t cachedOffset, ReturnAddressPtr returnAddress, CallFrame* callFrame); - void privateCompilePutByIdTransition(StructureStubInfo*, Structure*, Structure*, size_t cachedOffset, StructureChain*, ReturnAddressPtr returnAddress, bool direct); - - void privateCompileCTIMachineTrampolines(RefPtr<ExecutablePool>* executablePool, JSGlobalData* data, TrampolineStructure *trampolines); - Label privateCompileCTINativeCall(JSGlobalData*, bool isConstruct = false); - CodePtr privateCompileCTINativeCall(PassRefPtr<ExecutablePool> executablePool, JSGlobalData* data, NativeFunction func); - void privateCompilePatchGetArrayLength(ReturnAddressPtr returnAddress); - - void addSlowCase(Jump); - void addSlowCase(JumpList); - void addJump(Jump, int); - void emitJumpSlowToHot(Jump, int); - - void compileOpCall(OpcodeID, Instruction* instruction, unsigned callLinkInfoIndex); - void compileOpCallVarargs(Instruction* instruction); - void compileOpCallInitializeCallFrame(); - void compileOpCallSlowCase(Instruction* instruction, Vector<SlowCaseEntry>::iterator& iter, unsigned callLinkInfoIndex, OpcodeID opcodeID); - void compileOpCallVarargsSlowCase(Instruction* instruction, Vector<SlowCaseEntry>::iterator& iter); - - enum CompileOpStrictEqType { OpStrictEq, OpNStrictEq }; - void compileOpStrictEq(Instruction* instruction, CompileOpStrictEqType type); - bool isOperandConstantImmediateDouble(unsigned src); - - void emitLoadDouble(unsigned index, FPRegisterID value); - void emitLoadInt32ToDouble(unsigned index, FPRegisterID value); - - void testPrototype(JSValue, JumpList& failureCases); - -#if USE(JSVALUE32_64) - bool getOperandConstantImmediateInt(unsigned op1, unsigned op2, unsigned& op, int32_t& constant); - - void emitLoadTag(unsigned index, RegisterID tag); - void emitLoadPayload(unsigned index, RegisterID payload); - - void emitLoad(const JSValue& v, RegisterID tag, RegisterID payload); - void emitLoad(unsigned index, RegisterID tag, RegisterID payload, RegisterID base = callFrameRegister); - void emitLoad2(unsigned index1, RegisterID tag1, RegisterID payload1, unsigned index2, RegisterID tag2, RegisterID payload2); - - void emitStore(unsigned index, RegisterID tag, RegisterID payload, RegisterID base = callFrameRegister); - void emitStore(unsigned index, const JSValue constant, RegisterID base = callFrameRegister); - void emitStoreInt32(unsigned index, RegisterID payload, bool indexIsInt32 = false); - void emitStoreInt32(unsigned index, Imm32 payload, bool indexIsInt32 = false); - void emitStoreCell(unsigned index, RegisterID payload, bool indexIsCell = false); - void emitStoreBool(unsigned index, RegisterID tag, bool indexIsBool = false); - void emitStoreDouble(unsigned index, FPRegisterID value); - - bool isLabeled(unsigned bytecodeOffset); - void map(unsigned bytecodeOffset, unsigned virtualRegisterIndex, RegisterID tag, RegisterID payload); - void unmap(RegisterID); - void unmap(); - bool isMapped(unsigned virtualRegisterIndex); - bool getMappedPayload(unsigned virtualRegisterIndex, RegisterID& payload); - bool getMappedTag(unsigned virtualRegisterIndex, RegisterID& tag); - - void emitJumpSlowCaseIfNotJSCell(unsigned virtualRegisterIndex); - void emitJumpSlowCaseIfNotJSCell(unsigned virtualRegisterIndex, RegisterID tag); - void linkSlowCaseIfNotJSCell(Vector<SlowCaseEntry>::iterator&, unsigned virtualRegisterIndex); - -#if ENABLE(JIT_OPTIMIZE_PROPERTY_ACCESS) - void compileGetByIdHotPath(); - void compileGetByIdSlowCase(int resultVReg, int baseVReg, Identifier* ident, Vector<SlowCaseEntry>::iterator& iter, bool isMethodCheck = false); -#endif - void compileGetDirectOffset(RegisterID base, RegisterID resultTag, RegisterID resultPayload, Structure* structure, size_t cachedOffset); - void compileGetDirectOffset(JSObject* base, RegisterID temp, RegisterID resultTag, RegisterID resultPayload, size_t cachedOffset); - void compileGetDirectOffset(RegisterID base, RegisterID resultTag, RegisterID resultPayload, RegisterID structure, RegisterID offset); - void compilePutDirectOffset(RegisterID base, RegisterID valueTag, RegisterID valuePayload, Structure* structure, size_t cachedOffset); - - // Arithmetic opcode helpers - void emitAdd32Constant(unsigned dst, unsigned op, int32_t constant, ResultType opType); - void emitSub32Constant(unsigned dst, unsigned op, int32_t constant, ResultType opType); - void emitBinaryDoubleOp(OpcodeID, unsigned dst, unsigned op1, unsigned op2, OperandTypes, JumpList& notInt32Op1, JumpList& notInt32Op2, bool op1IsInRegisters = true, bool op2IsInRegisters = true); - -#if CPU(X86) - // These architecture specific value are used to enable patching - see comment on op_put_by_id. - static const int patchOffsetPutByIdStructure = 7; - static const int patchOffsetPutByIdExternalLoad = 13; - static const int patchLengthPutByIdExternalLoad = 3; - static const int patchOffsetPutByIdPropertyMapOffset1 = 22; - static const int patchOffsetPutByIdPropertyMapOffset2 = 28; - // These architecture specific value are used to enable patching - see comment on op_get_by_id. - static const int patchOffsetGetByIdStructure = 7; - static const int patchOffsetGetByIdBranchToSlowCase = 13; - static const int patchOffsetGetByIdExternalLoad = 13; - static const int patchLengthGetByIdExternalLoad = 3; - static const int patchOffsetGetByIdPropertyMapOffset1 = 22; - static const int patchOffsetGetByIdPropertyMapOffset2 = 28; - static const int patchOffsetGetByIdPutResult = 28; -#if ENABLE(OPCODE_SAMPLING) - static const int patchOffsetGetByIdSlowCaseCall = 37; -#else - static const int patchOffsetGetByIdSlowCaseCall = 27; -#endif - static const int patchOffsetOpCallCompareToJump = 6; - - static const int patchOffsetMethodCheckProtoObj = 11; - static const int patchOffsetMethodCheckProtoStruct = 18; - static const int patchOffsetMethodCheckPutFunction = 29; -#elif CPU(ARM_TRADITIONAL) - // These architecture specific value are used to enable patching - see comment on op_put_by_id. - static const int patchOffsetPutByIdStructure = 4; - static const int patchOffsetPutByIdExternalLoad = 16; - static const int patchLengthPutByIdExternalLoad = 4; - static const int patchOffsetPutByIdPropertyMapOffset1 = 20; - static const int patchOffsetPutByIdPropertyMapOffset2 = 28; - // These architecture specific value are used to enable patching - see comment on op_get_by_id. - static const int patchOffsetGetByIdStructure = 4; - static const int patchOffsetGetByIdBranchToSlowCase = 16; - static const int patchOffsetGetByIdExternalLoad = 16; - static const int patchLengthGetByIdExternalLoad = 4; - static const int patchOffsetGetByIdPropertyMapOffset1 = 20; - static const int patchOffsetGetByIdPropertyMapOffset2 = 28; - static const int patchOffsetGetByIdPutResult = 36; -#if ENABLE(OPCODE_SAMPLING) - #error "OPCODE_SAMPLING is not yet supported" -#else - static const int patchOffsetGetByIdSlowCaseCall = 32; -#endif - static const int patchOffsetOpCallCompareToJump = 12; - - static const int patchOffsetMethodCheckProtoObj = 12; - static const int patchOffsetMethodCheckProtoStruct = 20; - static const int patchOffsetMethodCheckPutFunction = 32; - - // sequenceOpCall - static const int sequenceOpCallInstructionSpace = 12; - static const int sequenceOpCallConstantSpace = 2; - // sequenceMethodCheck - static const int sequenceMethodCheckInstructionSpace = 40; - static const int sequenceMethodCheckConstantSpace = 6; - // sequenceGetByIdHotPath - static const int sequenceGetByIdHotPathInstructionSpace = 36; - static const int sequenceGetByIdHotPathConstantSpace = 4; - // sequenceGetByIdSlowCase - static const int sequenceGetByIdSlowCaseInstructionSpace = 56; - static const int sequenceGetByIdSlowCaseConstantSpace = 2; - // sequencePutById - static const int sequencePutByIdInstructionSpace = 36; - static const int sequencePutByIdConstantSpace = 4; -#elif CPU(ARM_THUMB2) - // These architecture specific value are used to enable patching - see comment on op_put_by_id. - static const int patchOffsetPutByIdStructure = 10; - static const int patchOffsetPutByIdExternalLoad = 26; - static const int patchLengthPutByIdExternalLoad = 12; - static const int patchOffsetPutByIdPropertyMapOffset1 = 46; - static const int patchOffsetPutByIdPropertyMapOffset2 = 58; - // These architecture specific value are used to enable patching - see comment on op_get_by_id. - static const int patchOffsetGetByIdStructure = 10; - static const int patchOffsetGetByIdBranchToSlowCase = 26; - static const int patchOffsetGetByIdExternalLoad = 26; - static const int patchLengthGetByIdExternalLoad = 12; - static const int patchOffsetGetByIdPropertyMapOffset1 = 46; - static const int patchOffsetGetByIdPropertyMapOffset2 = 58; - static const int patchOffsetGetByIdPutResult = 62; -#if ENABLE(OPCODE_SAMPLING) - #error "OPCODE_SAMPLING is not yet supported" -#else - static const int patchOffsetGetByIdSlowCaseCall = 30; -#endif - static const int patchOffsetOpCallCompareToJump = 16; - - static const int patchOffsetMethodCheckProtoObj = 24; - static const int patchOffsetMethodCheckProtoStruct = 34; - static const int patchOffsetMethodCheckPutFunction = 58; - - // sequenceOpCall - static const int sequenceOpCallInstructionSpace = 12; - static const int sequenceOpCallConstantSpace = 2; - // sequenceMethodCheck - static const int sequenceMethodCheckInstructionSpace = 40; - static const int sequenceMethodCheckConstantSpace = 6; - // sequenceGetByIdHotPath - static const int sequenceGetByIdHotPathInstructionSpace = 36; - static const int sequenceGetByIdHotPathConstantSpace = 4; - // sequenceGetByIdSlowCase - static const int sequenceGetByIdSlowCaseInstructionSpace = 40; - static const int sequenceGetByIdSlowCaseConstantSpace = 2; - // sequencePutById - static const int sequencePutByIdInstructionSpace = 36; - static const int sequencePutByIdConstantSpace = 4; -#elif CPU(MIPS) -#if WTF_MIPS_ISA(1) - static const int patchOffsetPutByIdStructure = 16; - static const int patchOffsetPutByIdExternalLoad = 48; - static const int patchLengthPutByIdExternalLoad = 20; - static const int patchOffsetPutByIdPropertyMapOffset1 = 68; - static const int patchOffsetPutByIdPropertyMapOffset2 = 84; - static const int patchOffsetGetByIdStructure = 16; - static const int patchOffsetGetByIdBranchToSlowCase = 48; - static const int patchOffsetGetByIdExternalLoad = 48; - static const int patchLengthGetByIdExternalLoad = 20; - static const int patchOffsetGetByIdPropertyMapOffset1 = 68; - static const int patchOffsetGetByIdPropertyMapOffset2 = 88; - static const int patchOffsetGetByIdPutResult = 108; -#if ENABLE(OPCODE_SAMPLING) - #error "OPCODE_SAMPLING is not yet supported" -#else - static const int patchOffsetGetByIdSlowCaseCall = 44; -#endif - static const int patchOffsetOpCallCompareToJump = 32; - static const int patchOffsetMethodCheckProtoObj = 32; - static const int patchOffsetMethodCheckProtoStruct = 56; - static const int patchOffsetMethodCheckPutFunction = 88; -#else // WTF_MIPS_ISA(1) - static const int patchOffsetPutByIdStructure = 12; - static const int patchOffsetPutByIdExternalLoad = 44; - static const int patchLengthPutByIdExternalLoad = 16; - static const int patchOffsetPutByIdPropertyMapOffset1 = 60; - static const int patchOffsetPutByIdPropertyMapOffset2 = 76; - static const int patchOffsetGetByIdStructure = 12; - static const int patchOffsetGetByIdBranchToSlowCase = 44; - static const int patchOffsetGetByIdExternalLoad = 44; - static const int patchLengthGetByIdExternalLoad = 16; - static const int patchOffsetGetByIdPropertyMapOffset1 = 60; - static const int patchOffsetGetByIdPropertyMapOffset2 = 76; - static const int patchOffsetGetByIdPutResult = 92; -#if ENABLE(OPCODE_SAMPLING) - #error "OPCODE_SAMPLING is not yet supported" -#else - static const int patchOffsetGetByIdSlowCaseCall = 44; -#endif - static const int patchOffsetOpCallCompareToJump = 32; - static const int patchOffsetMethodCheckProtoObj = 32; - static const int patchOffsetMethodCheckProtoStruct = 52; - static const int patchOffsetMethodCheckPutFunction = 84; -#endif -#else -#error "JSVALUE32_64 not supported on this platform." -#endif - -#else // USE(JSVALUE32_64) - void emitGetVirtualRegister(int src, RegisterID dst); - void emitGetVirtualRegisters(int src1, RegisterID dst1, int src2, RegisterID dst2); - void emitPutVirtualRegister(unsigned dst, RegisterID from = regT0); - - int32_t getConstantOperandImmediateInt(unsigned src); - - void emitGetVariableObjectRegister(RegisterID variableObject, int index, RegisterID dst); - void emitPutVariableObjectRegister(RegisterID src, RegisterID variableObject, int index); - - void killLastResultRegister(); - - Jump emitJumpIfJSCell(RegisterID); - Jump emitJumpIfBothJSCells(RegisterID, RegisterID, RegisterID); - void emitJumpSlowCaseIfJSCell(RegisterID); - Jump emitJumpIfNotJSCell(RegisterID); - void emitJumpSlowCaseIfNotJSCell(RegisterID); - void emitJumpSlowCaseIfNotJSCell(RegisterID, int VReg); -#if USE(JSVALUE32_64) - JIT::Jump emitJumpIfImmediateNumber(RegisterID reg) - { - return emitJumpIfImmediateInteger(reg); - } - - JIT::Jump emitJumpIfNotImmediateNumber(RegisterID reg) - { - return emitJumpIfNotImmediateInteger(reg); - } -#endif - JIT::Jump emitJumpIfImmediateInteger(RegisterID); - JIT::Jump emitJumpIfNotImmediateInteger(RegisterID); - JIT::Jump emitJumpIfNotImmediateIntegers(RegisterID, RegisterID, RegisterID); - void emitJumpSlowCaseIfNotImmediateInteger(RegisterID); - void emitJumpSlowCaseIfNotImmediateNumber(RegisterID); - void emitJumpSlowCaseIfNotImmediateIntegers(RegisterID, RegisterID, RegisterID); - -#if USE(JSVALUE32_64) - void emitFastArithDeTagImmediate(RegisterID); - Jump emitFastArithDeTagImmediateJumpIfZero(RegisterID); -#endif - void emitFastArithReTagImmediate(RegisterID src, RegisterID dest); - void emitFastArithIntToImmNoCheck(RegisterID src, RegisterID dest); - - void emitTagAsBoolImmediate(RegisterID reg); - void compileBinaryArithOp(OpcodeID, unsigned dst, unsigned src1, unsigned src2, OperandTypes opi); -#if USE(JSVALUE64) - void compileBinaryArithOpSlowCase(OpcodeID, Vector<SlowCaseEntry>::iterator&, unsigned dst, unsigned src1, unsigned src2, OperandTypes, bool op1HasImmediateIntFastCase, bool op2HasImmediateIntFastCase); -#else - void compileBinaryArithOpSlowCase(OpcodeID, Vector<SlowCaseEntry>::iterator&, unsigned dst, unsigned src1, unsigned src2, OperandTypes); -#endif - -#if ENABLE(JIT_OPTIMIZE_PROPERTY_ACCESS) - void compileGetByIdHotPath(int resultVReg, int baseVReg, Identifier* ident, unsigned propertyAccessInstructionIndex); - void compileGetByIdSlowCase(int resultVReg, int baseVReg, Identifier* ident, Vector<SlowCaseEntry>::iterator& iter, bool isMethodCheck = false); -#endif - void compileGetDirectOffset(RegisterID base, RegisterID result, Structure* structure, size_t cachedOffset); - void compileGetDirectOffset(JSObject* base, RegisterID temp, RegisterID result, size_t cachedOffset); - void compileGetDirectOffset(RegisterID base, RegisterID result, RegisterID structure, RegisterID offset, RegisterID scratch); - void compilePutDirectOffset(RegisterID base, RegisterID value, Structure* structure, size_t cachedOffset); - -#if CPU(X86_64) - // These architecture specific value are used to enable patching - see comment on op_put_by_id. - static const int patchOffsetPutByIdStructure = 10; - static const int patchOffsetPutByIdExternalLoad = 20; - static const int patchLengthPutByIdExternalLoad = 4; - static const int patchOffsetPutByIdPropertyMapOffset = 31; - // These architecture specific value are used to enable patching - see comment on op_get_by_id. - static const int patchOffsetGetByIdStructure = 10; - static const int patchOffsetGetByIdBranchToSlowCase = 20; - static const int patchOffsetGetByIdExternalLoad = 20; - static const int patchLengthGetByIdExternalLoad = 4; - static const int patchOffsetGetByIdPropertyMapOffset = 31; - static const int patchOffsetGetByIdPutResult = 31; -#if ENABLE(OPCODE_SAMPLING) - static const int patchOffsetGetByIdSlowCaseCall = 64; -#else - static const int patchOffsetGetByIdSlowCaseCall = 41; -#endif - static const int patchOffsetOpCallCompareToJump = 9; - - static const int patchOffsetMethodCheckProtoObj = 20; - static const int patchOffsetMethodCheckProtoStruct = 30; - static const int patchOffsetMethodCheckPutFunction = 50; -#elif CPU(X86) - // These architecture specific value are used to enable patching - see comment on op_put_by_id. - static const int patchOffsetPutByIdStructure = 7; - static const int patchOffsetPutByIdExternalLoad = 13; - static const int patchLengthPutByIdExternalLoad = 3; - static const int patchOffsetPutByIdPropertyMapOffset = 22; - // These architecture specific value are used to enable patching - see comment on op_get_by_id. - static const int patchOffsetGetByIdStructure = 7; - static const int patchOffsetGetByIdBranchToSlowCase = 13; - static const int patchOffsetGetByIdExternalLoad = 13; - static const int patchLengthGetByIdExternalLoad = 3; - static const int patchOffsetGetByIdPropertyMapOffset = 22; - static const int patchOffsetGetByIdPutResult = 22; -#if ENABLE(OPCODE_SAMPLING) - static const int patchOffsetGetByIdSlowCaseCall = 33; -#else - static const int patchOffsetGetByIdSlowCaseCall = 23; -#endif - static const int patchOffsetOpCallCompareToJump = 6; - - static const int patchOffsetMethodCheckProtoObj = 11; - static const int patchOffsetMethodCheckProtoStruct = 18; - static const int patchOffsetMethodCheckPutFunction = 29; -#elif CPU(ARM_THUMB2) - // These architecture specific value are used to enable patching - see comment on op_put_by_id. - static const int patchOffsetPutByIdStructure = 10; - static const int patchOffsetPutByIdExternalLoad = 26; - static const int patchLengthPutByIdExternalLoad = 12; - static const int patchOffsetPutByIdPropertyMapOffset = 46; - // These architecture specific value are used to enable patching - see comment on op_get_by_id. - static const int patchOffsetGetByIdStructure = 10; - static const int patchOffsetGetByIdBranchToSlowCase = 26; - static const int patchOffsetGetByIdExternalLoad = 26; - static const int patchLengthGetByIdExternalLoad = 12; - static const int patchOffsetGetByIdPropertyMapOffset = 46; - static const int patchOffsetGetByIdPutResult = 50; -#if ENABLE(OPCODE_SAMPLING) - static const int patchOffsetGetByIdSlowCaseCall = 0; // FIMXE -#else - static const int patchOffsetGetByIdSlowCaseCall = 28; -#endif - static const int patchOffsetOpCallCompareToJump = 16; - - static const int patchOffsetMethodCheckProtoObj = 24; - static const int patchOffsetMethodCheckProtoStruct = 34; - static const int patchOffsetMethodCheckPutFunction = 58; -#elif CPU(ARM_TRADITIONAL) - // These architecture specific value are used to enable patching - see comment on op_put_by_id. - static const int patchOffsetPutByIdStructure = 4; - static const int patchOffsetPutByIdExternalLoad = 16; - static const int patchLengthPutByIdExternalLoad = 4; - static const int patchOffsetPutByIdPropertyMapOffset = 20; - // These architecture specific value are used to enable patching - see comment on op_get_by_id. - static const int patchOffsetGetByIdStructure = 4; - static const int patchOffsetGetByIdBranchToSlowCase = 16; - static const int patchOffsetGetByIdExternalLoad = 16; - static const int patchLengthGetByIdExternalLoad = 4; - static const int patchOffsetGetByIdPropertyMapOffset = 20; - static const int patchOffsetGetByIdPutResult = 28; -#if ENABLE(OPCODE_SAMPLING) - #error "OPCODE_SAMPLING is not yet supported" -#else - static const int patchOffsetGetByIdSlowCaseCall = 28; -#endif - static const int patchOffsetOpCallCompareToJump = 12; - - static const int patchOffsetMethodCheckProtoObj = 12; - static const int patchOffsetMethodCheckProtoStruct = 20; - static const int patchOffsetMethodCheckPutFunction = 32; - - // sequenceOpCall - static const int sequenceOpCallInstructionSpace = 12; - static const int sequenceOpCallConstantSpace = 2; - // sequenceMethodCheck - static const int sequenceMethodCheckInstructionSpace = 40; - static const int sequenceMethodCheckConstantSpace = 6; - // sequenceGetByIdHotPath - static const int sequenceGetByIdHotPathInstructionSpace = 28; - static const int sequenceGetByIdHotPathConstantSpace = 3; - // sequenceGetByIdSlowCase - static const int sequenceGetByIdSlowCaseInstructionSpace = 32; - static const int sequenceGetByIdSlowCaseConstantSpace = 2; - // sequencePutById - static const int sequencePutByIdInstructionSpace = 28; - static const int sequencePutByIdConstantSpace = 3; -#elif CPU(MIPS) -#if WTF_MIPS_ISA(1) - static const int patchOffsetPutByIdStructure = 16; - static const int patchOffsetPutByIdExternalLoad = 48; - static const int patchLengthPutByIdExternalLoad = 20; - static const int patchOffsetPutByIdPropertyMapOffset = 68; - static const int patchOffsetGetByIdStructure = 16; - static const int patchOffsetGetByIdBranchToSlowCase = 48; - static const int patchOffsetGetByIdExternalLoad = 48; - static const int patchLengthGetByIdExternalLoad = 20; - static const int patchOffsetGetByIdPropertyMapOffset = 68; - static const int patchOffsetGetByIdPutResult = 88; -#if ENABLE(OPCODE_SAMPLING) - #error "OPCODE_SAMPLING is not yet supported" -#else - static const int patchOffsetGetByIdSlowCaseCall = 40; -#endif - static const int patchOffsetOpCallCompareToJump = 32; - static const int patchOffsetMethodCheckProtoObj = 32; - static const int patchOffsetMethodCheckProtoStruct = 56; - static const int patchOffsetMethodCheckPutFunction = 88; -#else // WTF_MIPS_ISA(1) - static const int patchOffsetPutByIdStructure = 12; - static const int patchOffsetPutByIdExternalLoad = 44; - static const int patchLengthPutByIdExternalLoad = 16; - static const int patchOffsetPutByIdPropertyMapOffset = 60; - static const int patchOffsetGetByIdStructure = 12; - static const int patchOffsetGetByIdBranchToSlowCase = 44; - static const int patchOffsetGetByIdExternalLoad = 44; - static const int patchLengthGetByIdExternalLoad = 16; - static const int patchOffsetGetByIdPropertyMapOffset = 60; - static const int patchOffsetGetByIdPutResult = 76; -#if ENABLE(OPCODE_SAMPLING) - #error "OPCODE_SAMPLING is not yet supported" -#else - static const int patchOffsetGetByIdSlowCaseCall = 40; -#endif - static const int patchOffsetOpCallCompareToJump = 32; - static const int patchOffsetMethodCheckProtoObj = 32; - static const int patchOffsetMethodCheckProtoStruct = 52; - static const int patchOffsetMethodCheckPutFunction = 84; -#endif -#endif -#endif // USE(JSVALUE32_64) - -#if (defined(ASSEMBLER_HAS_CONSTANT_POOL) && ASSEMBLER_HAS_CONSTANT_POOL) -#define BEGIN_UNINTERRUPTED_SEQUENCE(name) do { beginUninterruptedSequence(name ## InstructionSpace, name ## ConstantSpace); } while (false) -#define END_UNINTERRUPTED_SEQUENCE(name) do { endUninterruptedSequence(name ## InstructionSpace, name ## ConstantSpace); } while (false) - - void beginUninterruptedSequence(int, int); - void endUninterruptedSequence(int, int); - -#else -#define BEGIN_UNINTERRUPTED_SEQUENCE(name) do { beginUninterruptedSequence(); } while (false) -#define END_UNINTERRUPTED_SEQUENCE(name) do { endUninterruptedSequence(); } while (false) -#endif - - void emit_op_add(Instruction*); - void emit_op_bitand(Instruction*); - void emit_op_bitnot(Instruction*); - void emit_op_bitor(Instruction*); - void emit_op_bitxor(Instruction*); - void emit_op_call(Instruction*); - void emit_op_call_eval(Instruction*); - void emit_op_call_varargs(Instruction*); - void emit_op_call_put_result(Instruction*); - void emit_op_catch(Instruction*); - void emit_op_construct(Instruction*); - void emit_op_get_callee(Instruction*); - void emit_op_create_this(Instruction*); - void emit_op_convert_this(Instruction*); - void emit_op_convert_this_strict(Instruction*); - void emit_op_create_arguments(Instruction*); - void emit_op_debug(Instruction*); - void emit_op_del_by_id(Instruction*); - void emit_op_div(Instruction*); - void emit_op_end(Instruction*); - void emit_op_enter(Instruction*); - void emit_op_create_activation(Instruction*); - void emit_op_eq(Instruction*); - void emit_op_eq_null(Instruction*); - void emit_op_get_by_id(Instruction*); - void emit_op_get_arguments_length(Instruction*); - void emit_op_get_by_val(Instruction*); - void emit_op_get_argument_by_val(Instruction*); - void emit_op_get_by_pname(Instruction*); - void emit_op_get_global_var(Instruction*); - void emit_op_get_scoped_var(Instruction*); - void emit_op_init_lazy_reg(Instruction*); - void emit_op_check_has_instance(Instruction*); - void emit_op_instanceof(Instruction*); - void emit_op_jeq_null(Instruction*); - void emit_op_jfalse(Instruction*); - void emit_op_jmp(Instruction*); - void emit_op_jmp_scopes(Instruction*); - void emit_op_jneq_null(Instruction*); - void emit_op_jneq_ptr(Instruction*); - void emit_op_jnless(Instruction*); - void emit_op_jless(Instruction*); - void emit_op_jlesseq(Instruction*, bool invert = false); - void emit_op_jnlesseq(Instruction*); - void emit_op_jsr(Instruction*); - void emit_op_jtrue(Instruction*); - void emit_op_load_varargs(Instruction*); - void emit_op_loop(Instruction*); - void emit_op_loop_if_less(Instruction*); - void emit_op_loop_if_lesseq(Instruction*); - void emit_op_loop_if_true(Instruction*); - void emit_op_loop_if_false(Instruction*); - void emit_op_lshift(Instruction*); - void emit_op_method_check(Instruction*); - void emit_op_mod(Instruction*); - void emit_op_mov(Instruction*); - void emit_op_mul(Instruction*); - void emit_op_negate(Instruction*); - void emit_op_neq(Instruction*); - void emit_op_neq_null(Instruction*); - void emit_op_new_array(Instruction*); - void emit_op_new_func(Instruction*); - void emit_op_new_func_exp(Instruction*); - void emit_op_new_object(Instruction*); - void emit_op_new_regexp(Instruction*); - void emit_op_get_pnames(Instruction*); - void emit_op_next_pname(Instruction*); - void emit_op_not(Instruction*); - void emit_op_nstricteq(Instruction*); - void emit_op_pop_scope(Instruction*); - void emit_op_post_dec(Instruction*); - void emit_op_post_inc(Instruction*); - void emit_op_pre_dec(Instruction*); - void emit_op_pre_inc(Instruction*); - void emit_op_profile_did_call(Instruction*); - void emit_op_profile_will_call(Instruction*); - void emit_op_push_new_scope(Instruction*); - void emit_op_push_scope(Instruction*); - void emit_op_put_by_id(Instruction*); - void emit_op_put_by_index(Instruction*); - void emit_op_put_by_val(Instruction*); - void emit_op_put_getter(Instruction*); - void emit_op_put_global_var(Instruction*); - void emit_op_put_scoped_var(Instruction*); - void emit_op_put_setter(Instruction*); - void emit_op_resolve(Instruction*); - void emit_op_resolve_base(Instruction*); - void emit_op_ensure_property_exists(Instruction*); - void emit_op_resolve_global(Instruction*, bool dynamic = false); - void emit_op_resolve_global_dynamic(Instruction*); - void emit_op_resolve_skip(Instruction*); - void emit_op_resolve_with_base(Instruction*); - void emit_op_ret(Instruction*); - void emit_op_ret_object_or_this(Instruction*); - void emit_op_rshift(Instruction*); - void emit_op_sret(Instruction*); - void emit_op_strcat(Instruction*); - void emit_op_stricteq(Instruction*); - void emit_op_sub(Instruction*); - void emit_op_switch_char(Instruction*); - void emit_op_switch_imm(Instruction*); - void emit_op_switch_string(Instruction*); - void emit_op_tear_off_activation(Instruction*); - void emit_op_tear_off_arguments(Instruction*); - void emit_op_throw(Instruction*); - void emit_op_throw_reference_error(Instruction*); - void emit_op_throw_syntax_error(Instruction*); - void emit_op_to_jsnumber(Instruction*); - void emit_op_to_primitive(Instruction*); - void emit_op_unexpected_load(Instruction*); - void emit_op_urshift(Instruction*); -#if ENABLE(JIT_USE_SOFT_MODULO) - void softModulo(); -#endif - - void emitSlow_op_add(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_bitand(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_bitnot(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_bitor(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_bitxor(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_call(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_call_eval(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_call_varargs(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_construct(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_convert_this(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_convert_this_strict(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_div(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_eq(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_get_by_id(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_get_arguments_length(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_get_by_val(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_get_argument_by_val(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_get_by_pname(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_check_has_instance(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_instanceof(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_jfalse(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_jnless(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_jless(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_jlesseq(Instruction*, Vector<SlowCaseEntry>::iterator&, bool invert = false); - void emitSlow_op_jnlesseq(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_jtrue(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_load_varargs(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_loop_if_less(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_loop_if_lesseq(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_loop_if_true(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_loop_if_false(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_lshift(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_method_check(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_mod(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_mul(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_negate(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_neq(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_not(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_nstricteq(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_post_dec(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_post_inc(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_pre_dec(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_pre_inc(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_put_by_id(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_put_by_val(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_resolve_global(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_resolve_global_dynamic(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_rshift(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_stricteq(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_sub(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_to_jsnumber(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_to_primitive(Instruction*, Vector<SlowCaseEntry>::iterator&); - void emitSlow_op_urshift(Instruction*, Vector<SlowCaseEntry>::iterator&); - - - void emitRightShift(Instruction*, bool isUnsigned); - void emitRightShiftSlowCase(Instruction*, Vector<SlowCaseEntry>::iterator&, bool isUnsigned); - - /* This function is deprecated. */ - void emitGetJITStubArg(unsigned argumentNumber, RegisterID dst); - - void emitInitRegister(unsigned dst); - - void emitPutToCallFrameHeader(RegisterID from, RegisterFile::CallFrameHeaderEntry entry); - void emitPutImmediateToCallFrameHeader(void* value, RegisterFile::CallFrameHeaderEntry entry); - void emitGetFromCallFrameHeaderPtr(RegisterFile::CallFrameHeaderEntry entry, RegisterID to, RegisterID from = callFrameRegister); - void emitGetFromCallFrameHeader32(RegisterFile::CallFrameHeaderEntry entry, RegisterID to, RegisterID from = callFrameRegister); - - JSValue getConstantOperand(unsigned src); - bool isOperandConstantImmediateInt(unsigned src); - bool isOperandConstantImmediateChar(unsigned src); - - Jump getSlowCase(Vector<SlowCaseEntry>::iterator& iter) - { - return iter++->from; - } - void linkSlowCase(Vector<SlowCaseEntry>::iterator& iter) - { - iter->from.link(this); - ++iter; - } - void linkSlowCaseIfNotJSCell(Vector<SlowCaseEntry>::iterator&, int vReg); - - Jump checkStructure(RegisterID reg, Structure* structure); - - void restoreArgumentReference(); - void restoreArgumentReferenceForTrampoline(); - - Call emitNakedCall(CodePtr function = CodePtr()); - - void preserveReturnAddressAfterCall(RegisterID); - void restoreReturnAddressBeforeReturn(RegisterID); - void restoreReturnAddressBeforeReturn(Address); - - // Loads the character value of a single character string into dst. - void emitLoadCharacterString(RegisterID src, RegisterID dst, JumpList& failures); - - void emitTimeoutCheck(); -#ifndef NDEBUG - void printBytecodeOperandTypes(unsigned src1, unsigned src2); -#endif - -#if ENABLE(SAMPLING_FLAGS) - void setSamplingFlag(int32_t); - void clearSamplingFlag(int32_t); -#endif - -#if ENABLE(SAMPLING_COUNTERS) - void emitCount(AbstractSamplingCounter&, uint32_t = 1); -#endif - -#if ENABLE(OPCODE_SAMPLING) - void sampleInstruction(Instruction*, bool = false); -#endif - -#if ENABLE(CODEBLOCK_SAMPLING) - void sampleCodeBlock(CodeBlock*); -#else - void sampleCodeBlock(CodeBlock*) {} -#endif - - Interpreter* m_interpreter; - JSGlobalData* m_globalData; - CodeBlock* m_codeBlock; - - Vector<CallRecord> m_calls; - Vector<Label> m_labels; - Vector<PropertyStubCompilationInfo> m_propertyAccessCompilationInfo; - Vector<StructureStubCompilationInfo> m_callStructureStubCompilationInfo; - Vector<MethodCallCompilationInfo> m_methodCallCompilationInfo; - Vector<JumpTable> m_jmpTable; - - unsigned m_bytecodeOffset; - Vector<JSRInfo> m_jsrSites; - Vector<SlowCaseEntry> m_slowCases; - Vector<SwitchRecord> m_switches; - - unsigned m_propertyAccessInstructionIndex; - unsigned m_globalResolveInfoIndex; - unsigned m_callLinkInfoIndex; - -#if USE(JSVALUE32_64) - unsigned m_jumpTargetIndex; - unsigned m_mappedBytecodeOffset; - unsigned m_mappedVirtualRegisterIndex; - RegisterID m_mappedTag; - RegisterID m_mappedPayload; -#else - int m_lastResultBytecodeRegister; - unsigned m_jumpTargetsPosition; -#endif - -#ifndef NDEBUG -#if defined(ASSEMBLER_HAS_CONSTANT_POOL) && ASSEMBLER_HAS_CONSTANT_POOL - Label m_uninterruptedInstructionSequenceBegin; - int m_uninterruptedConstantSequenceBegin; -#endif -#endif - void* m_linkerOffset; - static CodePtr stringGetByValStubGenerator(JSGlobalData* globalData, ExecutablePool* pool); - } JIT_CLASS_ALIGNMENT; - - inline void JIT::emit_op_loop(Instruction* currentInstruction) - { - emitTimeoutCheck(); - emit_op_jmp(currentInstruction); - } - - inline void JIT::emit_op_loop_if_true(Instruction* currentInstruction) - { - emitTimeoutCheck(); - emit_op_jtrue(currentInstruction); - } - - inline void JIT::emitSlow_op_loop_if_true(Instruction* currentInstruction, Vector<SlowCaseEntry>::iterator& iter) - { - emitSlow_op_jtrue(currentInstruction, iter); - } - - inline void JIT::emit_op_loop_if_false(Instruction* currentInstruction) - { - emitTimeoutCheck(); - emit_op_jfalse(currentInstruction); - } - - inline void JIT::emitSlow_op_loop_if_false(Instruction* currentInstruction, Vector<SlowCaseEntry>::iterator& iter) - { - emitSlow_op_jfalse(currentInstruction, iter); - } - - inline void JIT::emit_op_loop_if_less(Instruction* currentInstruction) - { - emitTimeoutCheck(); - emit_op_jless(currentInstruction); - } - - inline void JIT::emitSlow_op_loop_if_less(Instruction* currentInstruction, Vector<SlowCaseEntry>::iterator& iter) - { - emitSlow_op_jless(currentInstruction, iter); - } - -} // namespace JSC - -#endif // ENABLE(JIT) - -#endif // JIT_h |