diff options
Diffstat (limited to 'src/3rdparty/javascriptcore/JavaScriptCore/interpreter')
7 files changed, 627 insertions, 506 deletions
diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/interpreter/CachedCall.h b/src/3rdparty/javascriptcore/JavaScriptCore/interpreter/CachedCall.h index b9fa484..eb48a03 100644 --- a/src/3rdparty/javascriptcore/JavaScriptCore/interpreter/CachedCall.h +++ b/src/3rdparty/javascriptcore/JavaScriptCore/interpreter/CachedCall.h @@ -38,7 +38,7 @@ namespace JSC { : m_valid(false) , m_interpreter(callFrame->interpreter()) , m_exception(exception) - , m_globalObjectScope(callFrame, callFrame->globalData().dynamicGlobalObject ? callFrame->globalData().dynamicGlobalObject : function->scope().node()->globalObject()) + , m_globalObjectScope(callFrame, function->scope().globalObject()) { ASSERT(!function->isHostFunction()); m_closure = m_interpreter->prepareForRepeatCall(function->jsExecutable(), callFrame, function, argCount, function->scope().node(), exception); @@ -52,7 +52,14 @@ namespace JSC { } void setThis(JSValue v) { m_closure.setArgument(0, v); } void setArgument(int n, JSValue v) { m_closure.setArgument(n + 1, v); } - CallFrame* newCallFrame() { return m_closure.newCallFrame; } + + CallFrame* newCallFrame(ExecState* exec) + { + CallFrame* callFrame = m_closure.newCallFrame; + callFrame->setScopeChain(exec->scopeChain()); + return callFrame; + } + ~CachedCall() { if (m_valid) diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/interpreter/CallFrame.h b/src/3rdparty/javascriptcore/JavaScriptCore/interpreter/CallFrame.h index b04e1c1..6432f99 100644 --- a/src/3rdparty/javascriptcore/JavaScriptCore/interpreter/CallFrame.h +++ b/src/3rdparty/javascriptcore/JavaScriptCore/interpreter/CallFrame.h @@ -39,7 +39,11 @@ namespace JSC { public: JSObject* callee() const { return this[RegisterFile::Callee].object(); } CodeBlock* codeBlock() const { return this[RegisterFile::CodeBlock].Register::codeBlock(); } - ScopeChainNode* scopeChain() const { return this[RegisterFile::ScopeChain].Register::scopeChain(); } + ScopeChainNode* scopeChain() const + { + ASSERT(this[RegisterFile::ScopeChain].Register::scopeChain()); + return this[RegisterFile::ScopeChain].Register::scopeChain(); + } int argumentCount() const { return this[RegisterFile::ArgumentCount].i(); } JSValue thisValue(); @@ -51,14 +55,14 @@ namespace JSC { // Differs from dynamicGlobalObject() during function calls across web browser frames. JSGlobalObject* lexicalGlobalObject() const { - return scopeChain()->globalObject(); + return scopeChain()->globalObject; } // Differs from lexicalGlobalObject because this will have DOM window shell rather than // the actual DOM window, which can't be "this" for security reasons. JSObject* globalThisValue() const { - return scopeChain()->globalThisObject(); + return scopeChain()->globalThis; } // FIXME: Elsewhere, we use JSGlobalData* rather than JSGlobalData&. @@ -66,6 +70,7 @@ namespace JSC { // or a pointer everywhere. JSGlobalData& globalData() const { + ASSERT(scopeChain()->globalData); return *scopeChain()->globalData; } @@ -105,9 +110,9 @@ namespace JSC { Arguments* optionalCalleeArguments() const { return this[RegisterFile::OptionalCalleeArguments].arguments(); } Instruction* returnPC() const { return this[RegisterFile::ReturnPC].vPC(); } - void setCalleeArguments(JSValue arguments) { this[RegisterFile::OptionalCalleeArguments] = arguments; } - void setCallerFrame(CallFrame* callerFrame) { this[RegisterFile::CallerFrame] = callerFrame; } - void setScopeChain(ScopeChainNode* scopeChain) { this[RegisterFile::ScopeChain] = scopeChain; } + void setCalleeArguments(JSValue arguments) { static_cast<Register*>(this)[RegisterFile::OptionalCalleeArguments] = arguments; } + void setCallerFrame(CallFrame* callerFrame) { static_cast<Register*>(this)[RegisterFile::CallerFrame] = callerFrame; } + void setScopeChain(ScopeChainNode* scopeChain) { static_cast<Register*>(this)[RegisterFile::ScopeChain] = scopeChain; } ALWAYS_INLINE void init(CodeBlock* codeBlock, Instruction* vPC, ScopeChainNode* scopeChain, CallFrame* callerFrame, int returnValueRegister, int argc, JSObject* callee) @@ -117,8 +122,8 @@ namespace JSC { setCodeBlock(codeBlock); setScopeChain(scopeChain); setCallerFrame(callerFrame); - this[RegisterFile::ReturnPC] = vPC; // This is either an Instruction* or a pointer into JIT generated code stored as an Instruction*. - this[RegisterFile::ReturnValueRegister] = Register::withInt(returnValueRegister); + static_cast<Register*>(this)[RegisterFile::ReturnPC] = vPC; // This is either an Instruction* or a pointer into JIT generated code stored as an Instruction*. + static_cast<Register*>(this)[RegisterFile::ReturnValueRegister] = Register::withInt(returnValueRegister); setArgumentCount(argc); // original argument count (for the sake of the "arguments" object) setCallee(callee); setCalleeArguments(JSValue()); @@ -135,9 +140,9 @@ namespace JSC { CallFrame* removeHostCallFrameFlag() { return reinterpret_cast<CallFrame*>(reinterpret_cast<intptr_t>(this) & ~HostCallFrameFlag); } private: - void setArgumentCount(int count) { this[RegisterFile::ArgumentCount] = Register::withInt(count); } - void setCallee(JSObject* callee) { this[RegisterFile::Callee] = callee; } - void setCodeBlock(CodeBlock* codeBlock) { this[RegisterFile::CodeBlock] = codeBlock; } + void setArgumentCount(int count) { static_cast<Register*>(this)[RegisterFile::ArgumentCount] = Register::withInt(count); } + void setCallee(JSObject* callee) { static_cast<Register*>(this)[RegisterFile::Callee] = callee; } + void setCodeBlock(CodeBlock* codeBlock) { static_cast<Register*>(this)[RegisterFile::CodeBlock] = codeBlock; } static const intptr_t HostCallFrameFlag = 1; diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/interpreter/Interpreter.cpp b/src/3rdparty/javascriptcore/JavaScriptCore/interpreter/Interpreter.cpp index 4f00b2b..2164b1d 100644 --- a/src/3rdparty/javascriptcore/JavaScriptCore/interpreter/Interpreter.cpp +++ b/src/3rdparty/javascriptcore/JavaScriptCore/interpreter/Interpreter.cpp @@ -95,8 +95,8 @@ static int depth(CodeBlock* codeBlock, ScopeChain& sc) #if USE(INTERPRETER) NEVER_INLINE bool Interpreter::resolve(CallFrame* callFrame, Instruction* vPC, JSValue& exceptionValue) { - int dst = (vPC + 1)->u.operand; - int property = (vPC + 2)->u.operand; + int dst = vPC[1].u.operand; + int property = vPC[2].u.operand; ScopeChainNode* scopeChain = callFrame->scopeChain(); ScopeChainIterator iter = scopeChain->begin(); @@ -125,9 +125,9 @@ NEVER_INLINE bool Interpreter::resolveSkip(CallFrame* callFrame, Instruction* vP { CodeBlock* codeBlock = callFrame->codeBlock(); - int dst = (vPC + 1)->u.operand; - int property = (vPC + 2)->u.operand; - int skip = (vPC + 3)->u.operand + codeBlock->needsFullScopeChain(); + int dst = vPC[1].u.operand; + int property = vPC[2].u.operand; + int skip = vPC[3].u.operand + codeBlock->needsFullScopeChain(); ScopeChainNode* scopeChain = callFrame->scopeChain(); ScopeChainIterator iter = scopeChain->begin(); @@ -156,12 +156,12 @@ NEVER_INLINE bool Interpreter::resolveSkip(CallFrame* callFrame, Instruction* vP NEVER_INLINE bool Interpreter::resolveGlobal(CallFrame* callFrame, Instruction* vPC, JSValue& exceptionValue) { - int dst = (vPC + 1)->u.operand; - JSGlobalObject* globalObject = static_cast<JSGlobalObject*>((vPC + 2)->u.jsCell); + int dst = vPC[1].u.operand; + JSGlobalObject* globalObject = static_cast<JSGlobalObject*>(vPC[2].u.jsCell); ASSERT(globalObject->isGlobalObject()); - int property = (vPC + 3)->u.operand; - Structure* structure = (vPC + 4)->u.structure; - int offset = (vPC + 5)->u.operand; + int property = vPC[3].u.operand; + Structure* structure = vPC[4].u.structure; + int offset = vPC[5].u.operand; if (structure == globalObject->structure()) { callFrame->r(dst) = JSValue(globalObject->getDirectOffset(offset)); @@ -196,16 +196,16 @@ NEVER_INLINE bool Interpreter::resolveGlobal(CallFrame* callFrame, Instruction* NEVER_INLINE void Interpreter::resolveBase(CallFrame* callFrame, Instruction* vPC) { - int dst = (vPC + 1)->u.operand; - int property = (vPC + 2)->u.operand; + int dst = vPC[1].u.operand; + int property = vPC[2].u.operand; callFrame->r(dst) = JSValue(JSC::resolveBase(callFrame, callFrame->codeBlock()->identifier(property), callFrame->scopeChain())); } NEVER_INLINE bool Interpreter::resolveBaseAndProperty(CallFrame* callFrame, Instruction* vPC, JSValue& exceptionValue) { - int baseDst = (vPC + 1)->u.operand; - int propDst = (vPC + 2)->u.operand; - int property = (vPC + 3)->u.operand; + int baseDst = vPC[1].u.operand; + int propDst = vPC[2].u.operand; + int property = vPC[3].u.operand; ScopeChainNode* scopeChain = callFrame->scopeChain(); ScopeChainIterator iter = scopeChain->begin(); @@ -237,51 +237,6 @@ NEVER_INLINE bool Interpreter::resolveBaseAndProperty(CallFrame* callFrame, Inst return false; } -NEVER_INLINE bool Interpreter::resolveBaseAndFunc(CallFrame* callFrame, Instruction* vPC, JSValue& exceptionValue) -{ - int baseDst = (vPC + 1)->u.operand; - int funcDst = (vPC + 2)->u.operand; - int property = (vPC + 3)->u.operand; - - ScopeChainNode* scopeChain = callFrame->scopeChain(); - ScopeChainIterator iter = scopeChain->begin(); - ScopeChainIterator end = scopeChain->end(); - - // FIXME: add scopeDepthIsZero optimization - - ASSERT(iter != end); - - CodeBlock* codeBlock = callFrame->codeBlock(); - Identifier& ident = codeBlock->identifier(property); - JSObject* base; - do { - base = *iter; - PropertySlot slot(base); - if (base->getPropertySlot(callFrame, ident, slot)) { - // ECMA 11.2.3 says that if we hit an activation the this value should be null. - // However, section 10.2.3 says that in the case where the value provided - // by the caller is null, the global object should be used. It also says - // that the section does not apply to internal functions, but for simplicity - // of implementation we use the global object anyway here. This guarantees - // that in host objects you always get a valid object for this. - // We also handle wrapper substitution for the global object at the same time. - JSObject* thisObj = base->toThisObject(callFrame); - JSValue result = slot.getValue(callFrame, ident); - exceptionValue = callFrame->globalData().exception; - if (exceptionValue) - return false; - - callFrame->r(baseDst) = JSValue(thisObj); - callFrame->r(funcDst) = JSValue(result); - return true; - } - ++iter; - } while (iter != end); - - exceptionValue = createUndefinedVariableError(callFrame, ident, vPC - codeBlock->instructions().begin(), codeBlock); - return false; -} - #endif // USE(INTERPRETER) ALWAYS_INLINE CallFrame* Interpreter::slideRegisterWindowForCall(CodeBlock* newCodeBlock, RegisterFile* registerFile, CallFrame* callFrame, size_t registerOffset, int argc) @@ -349,7 +304,7 @@ NEVER_INLINE JSValue Interpreter::callEval(CallFrame* callFrame, RegisterFile* r if (!program.isString()) return program; - UString programSource = asString(program)->value(); + UString programSource = asString(program)->value(callFrame); LiteralParser preparser(callFrame, programSource, LiteralParser::NonStrictJSON); if (JSValue parsedObject = preparser.tryLiteralParse()) @@ -367,10 +322,19 @@ NEVER_INLINE JSValue Interpreter::callEval(CallFrame* callFrame, RegisterFile* r } Interpreter::Interpreter() - : m_sampler(0) + : m_sampleEntryDepth(0) , m_reentryDepth(0) { +#if HAVE(COMPUTED_GOTO) privateExecute(InitializeAndReturn, 0, 0, 0); + + for (int i = 0; i < numOpcodeIDs; ++i) + m_opcodeIDTable.add(m_opcodeTable[i], static_cast<OpcodeID>(i)); +#endif // HAVE(COMPUTED_GOTO) + +#if ENABLE(OPCODE_SAMPLING) + enableSampler(); +#endif } #ifndef NDEBUG @@ -389,7 +353,7 @@ void Interpreter::dumpRegisters(CallFrame* callFrame) printf("-----------------------------------------------------------------------------\n"); CodeBlock* codeBlock = callFrame->codeBlock(); - RegisterFile* registerFile = &callFrame->scopeChain()->globalObject()->globalData()->interpreter->registerFile(); + RegisterFile* registerFile = &callFrame->scopeChain()->globalObject->globalData()->interpreter->registerFile(); const Register* it; const Register* end; JSValue v; @@ -577,7 +541,8 @@ NEVER_INLINE HandlerInfo* Interpreter::throwException(CallFrame*& callFrame, JSV Debugger* debugger = callFrame->dynamicGlobalObject()->debugger(); if (debugger) { DebuggerCallFrame debuggerCallFrame(callFrame, exceptionValue); - debugger->exception(debuggerCallFrame, codeBlock->ownerExecutable()->sourceID(), codeBlock->lineNumberForBytecodeOffset(callFrame, bytecodeOffset)); + bool hasHandler = codeBlock->handlerForBytecodeOffset(bytecodeOffset); + debugger->exception(debuggerCallFrame, codeBlock->ownerExecutable()->sourceID(), codeBlock->lineNumberForBytecodeOffset(callFrame, bytecodeOffset), hasHandler); } // If we throw in the middle of a call instruction, we need to notify @@ -587,7 +552,7 @@ NEVER_INLINE HandlerInfo* Interpreter::throwException(CallFrame*& callFrame, JSV #if !ENABLE(JIT) if (isCallBytecode(codeBlock->instructions()[bytecodeOffset].u.opcode)) profiler->didExecute(callFrame, callFrame->r(codeBlock->instructions()[bytecodeOffset + 2].u.operand).jsValue()); - else if (codeBlock->instructions()[bytecodeOffset + 8].u.opcode == getOpcode(op_construct)) + else if (codeBlock->instructions().size() > (bytecodeOffset + 8) && codeBlock->instructions()[bytecodeOffset + 8].u.opcode == getOpcode(op_construct)) profiler->didExecute(callFrame, callFrame->r(codeBlock->instructions()[bytecodeOffset + 10].u.operand).jsValue()); #else int functionRegisterIndex; @@ -659,7 +624,7 @@ JSValue Interpreter::execute(ProgramExecutable* program, CallFrame* callFrame, S return jsNull(); } - DynamicGlobalObjectScope globalObjectScope(callFrame, scopeChain->globalObject()); + DynamicGlobalObjectScope globalObjectScope(callFrame, scopeChain->globalObject); JSGlobalObject* lastGlobalObject = m_registerFile.globalObject(); JSGlobalObject* globalObject = callFrame->dynamicGlobalObject(); @@ -678,7 +643,7 @@ JSValue Interpreter::execute(ProgramExecutable* program, CallFrame* callFrame, S JSValue result; { - SamplingTool::CallRecord callRecord(m_sampler); + SamplingTool::CallRecord callRecord(m_sampler.get()); m_reentryDepth++; #if ENABLE(JIT) @@ -719,7 +684,7 @@ JSValue Interpreter::execute(FunctionExecutable* functionExecutable, CallFrame* return jsNull(); } - DynamicGlobalObjectScope globalObjectScope(callFrame, callFrame->globalData().dynamicGlobalObject ? callFrame->globalData().dynamicGlobalObject : scopeChain->globalObject()); + DynamicGlobalObjectScope globalObjectScope(callFrame, scopeChain->globalObject); CallFrame* newCallFrame = CallFrame::create(oldEnd); size_t dst = 0; @@ -744,7 +709,7 @@ JSValue Interpreter::execute(FunctionExecutable* functionExecutable, CallFrame* JSValue result; { - SamplingTool::CallRecord callRecord(m_sampler); + SamplingTool::CallRecord callRecord(m_sampler.get()); m_reentryDepth++; #if ENABLE(JIT) @@ -812,7 +777,7 @@ JSValue Interpreter::execute(CallFrameClosure& closure, JSValue* exception) JSValue result; { - SamplingTool::CallRecord callRecord(m_sampler); + SamplingTool::CallRecord callRecord(m_sampler.get()); m_reentryDepth++; #if ENABLE(JIT) @@ -849,7 +814,7 @@ JSValue Interpreter::execute(EvalExecutable* eval, CallFrame* callFrame, JSObjec } } - DynamicGlobalObjectScope globalObjectScope(callFrame, callFrame->globalData().dynamicGlobalObject ? callFrame->globalData().dynamicGlobalObject : scopeChain->globalObject()); + DynamicGlobalObjectScope globalObjectScope(callFrame, scopeChain->globalObject); EvalCodeBlock* codeBlock = &eval->bytecode(callFrame, scopeChain); @@ -914,7 +879,7 @@ JSValue Interpreter::execute(EvalExecutable* eval, CallFrame* callFrame, JSObjec JSValue result; { - SamplingTool::CallRecord callRecord(m_sampler); + SamplingTool::CallRecord callRecord(m_sampler.get()); m_reentryDepth++; #if ENABLE(JIT) @@ -932,7 +897,7 @@ JSValue Interpreter::execute(EvalExecutable* eval, CallFrame* callFrame, JSObjec return result; } -NEVER_INLINE void Interpreter::debug(CallFrame* callFrame, DebugHookID debugHookID, int firstLine, int lastLine, int column) +NEVER_INLINE void Interpreter::debug(CallFrame* callFrame, DebugHookID debugHookID, int firstLine, int lastLine) { Debugger* debugger = callFrame->dynamicGlobalObject()->debugger(); if (!debugger) @@ -946,7 +911,7 @@ NEVER_INLINE void Interpreter::debug(CallFrame* callFrame, DebugHookID debugHook debugger->returnEvent(callFrame, callFrame->codeBlock()->ownerExecutable()->sourceID(), lastLine); return; case WillExecuteStatement: - debugger->atStatement(callFrame, callFrame->codeBlock()->ownerExecutable()->sourceID(), firstLine, column); + debugger->atStatement(callFrame, callFrame->codeBlock()->ownerExecutable()->sourceID(), firstLine); return; case WillExecuteProgram: debugger->willExecuteProgram(callFrame, callFrame->codeBlock()->ownerExecutable()->sourceID(), firstLine); @@ -955,7 +920,7 @@ NEVER_INLINE void Interpreter::debug(CallFrame* callFrame, DebugHookID debugHook debugger->didExecuteProgram(callFrame, callFrame->codeBlock()->ownerExecutable()->sourceID(), lastLine); return; case DidReachBreakpoint: - debugger->didReachBreakpoint(callFrame, callFrame->codeBlock()->ownerExecutable()->sourceID(), lastLine, column); + debugger->didReachBreakpoint(callFrame, callFrame->codeBlock()->ownerExecutable()->sourceID(), lastLine); return; } } @@ -963,10 +928,10 @@ NEVER_INLINE void Interpreter::debug(CallFrame* callFrame, DebugHookID debugHook #if USE(INTERPRETER) NEVER_INLINE ScopeChainNode* Interpreter::createExceptionScope(CallFrame* callFrame, const Instruction* vPC) { - int dst = (++vPC)->u.operand; + int dst = vPC[1].u.operand; CodeBlock* codeBlock = callFrame->codeBlock(); - Identifier& property = codeBlock->identifier((++vPC)->u.operand); - JSValue value = callFrame->r((++vPC)->u.operand).jsValue(); + Identifier& property = codeBlock->identifier(vPC[2].u.operand); + JSValue value = callFrame->r(vPC[3].u.operand).jsValue(); JSObject* scope = new (callFrame) JSStaticScopeObject(callFrame, property, value, DontDelete); callFrame->r(dst) = JSValue(scope); @@ -1018,22 +983,20 @@ NEVER_INLINE void Interpreter::tryCachePutByID(CallFrame* callFrame, CodeBlock* return; } - StructureChain* protoChain = structure->prototypeChain(callFrame); - if (!protoChain->isCacheable()) { - vPC[0] = getOpcode(op_put_by_id_generic); - return; - } - // Structure transition, cache transition info if (slot.type() == PutPropertySlot::NewProperty) { if (structure->isDictionary()) { vPC[0] = getOpcode(op_put_by_id_generic); return; } + + // put_by_id_transition checks the prototype chain for setters. + normalizePrototypeChain(callFrame, baseCell); + vPC[0] = getOpcode(op_put_by_id_transition); vPC[4] = structure->previousID(); vPC[5] = structure; - vPC[6] = protoChain; + vPC[6] = structure->prototypeChain(callFrame); vPC[7] = slot.cachedOffset(); codeBlock->refStructures(vPC); return; @@ -1111,41 +1074,46 @@ NEVER_INLINE void Interpreter::tryCacheGetByID(CallFrame* callFrame, CodeBlock* return; } + if (structure->isDictionary()) { + vPC[0] = getOpcode(op_get_by_id_generic); + return; + } + if (slot.slotBase() == structure->prototypeForLookup(callFrame)) { ASSERT(slot.slotBase().isObject()); JSObject* baseObject = asObject(slot.slotBase()); + size_t offset = slot.cachedOffset(); // Since we're accessing a prototype in a loop, it's a good bet that it // should not be treated as a dictionary. - if (baseObject->structure()->isDictionary()) - baseObject->setStructure(Structure::fromDictionaryTransition(baseObject->structure())); + if (baseObject->structure()->isDictionary()) { + baseObject->flattenDictionaryObject(); + offset = baseObject->structure()->get(propertyName); + } + + ASSERT(!baseObject->structure()->isUncacheableDictionary()); vPC[0] = getOpcode(op_get_by_id_proto); vPC[5] = baseObject->structure(); - vPC[6] = slot.cachedOffset(); + vPC[6] = offset; codeBlock->refStructures(vPC); return; } - size_t count = countPrototypeChainEntriesAndCheckForProxies(callFrame, baseValue, slot); + size_t offset = slot.cachedOffset(); + size_t count = normalizePrototypeChain(callFrame, baseValue, slot.slotBase(), propertyName, offset); if (!count) { vPC[0] = getOpcode(op_get_by_id_generic); return; } - StructureChain* protoChain = structure->prototypeChain(callFrame); - if (!protoChain->isCacheable()) { - vPC[0] = getOpcode(op_get_by_id_generic); - return; - } - vPC[0] = getOpcode(op_get_by_id_chain); vPC[4] = structure; - vPC[5] = protoChain; + vPC[5] = structure->prototypeChain(callFrame); vPC[6] = count; - vPC[7] = slot.cachedOffset(); + vPC[7] = offset; codeBlock->refStructures(vPC); } @@ -1162,16 +1130,13 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi { // One-time initialization of our address tables. We have to put this code // here because our labels are only in scope inside this function. - if (flag == InitializeAndReturn) { + if (UNLIKELY(flag == InitializeAndReturn)) { #if HAVE(COMPUTED_GOTO) - #define ADD_BYTECODE(id, length) m_opcodeTable[id] = &&id; - FOR_EACH_OPCODE_ID(ADD_BYTECODE); - #undef ADD_BYTECODE - - #define ADD_OPCODE_ID(id, length) m_opcodeIDTable.add(&&id, id); - FOR_EACH_OPCODE_ID(ADD_OPCODE_ID); - #undef ADD_OPCODE_ID - ASSERT(m_opcodeIDTable.size() == numOpcodeIDs); + #define LIST_OPCODE_LABEL(id, length) &&id, + static Opcode labels[] = { FOR_EACH_OPCODE_ID(LIST_OPCODE_LABEL) }; + for (size_t i = 0; i < sizeof(labels) / sizeof(Opcode); ++i) + m_opcodeTable[i] = labels[i]; + #undef LIST_OPCODE_LABEL #endif // HAVE(COMPUTED_GOTO) return JSValue(); } @@ -1249,10 +1214,10 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Constructs a new empty Object instance using the original constructor, and puts the result in register dst. */ - int dst = (++vPC)->u.operand; + int dst = vPC[1].u.operand; callFrame->r(dst) = JSValue(constructEmptyObject(callFrame)); - ++vPC; + vPC += OPCODE_LENGTH(op_new_object); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_new_array) { @@ -1263,13 +1228,13 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi The array will contain argCount elements with values taken from registers starting at register firstArg. */ - int dst = (++vPC)->u.operand; - int firstArg = (++vPC)->u.operand; - int argCount = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int firstArg = vPC[2].u.operand; + int argCount = vPC[3].u.operand; ArgList args(callFrame->registers() + firstArg, argCount); callFrame->r(dst) = JSValue(constructArray(callFrame, args)); - ++vPC; + vPC += OPCODE_LENGTH(op_new_array); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_new_regexp) { @@ -1279,11 +1244,11 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi constructor from regexp regExp, and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - int regExp = (++vPC)->u.operand; - callFrame->r(dst) = JSValue(new (globalData) RegExpObject(callFrame->scopeChain()->globalObject()->regExpStructure(), callFrame->codeBlock()->regexp(regExp))); + int dst = vPC[1].u.operand; + int regExp = vPC[2].u.operand; + callFrame->r(dst) = JSValue(new (globalData) RegExpObject(callFrame->scopeChain()->globalObject->regExpStructure(), callFrame->codeBlock()->regexp(regExp))); - ++vPC; + vPC += OPCODE_LENGTH(op_new_regexp); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_mov) { @@ -1291,11 +1256,11 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Copies register src to register dst. */ - int dst = (++vPC)->u.operand; - int src = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int src = vPC[2].u.operand; callFrame->r(dst) = callFrame->r(src); - ++vPC; + vPC += OPCODE_LENGTH(op_mov); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_eq) { @@ -1305,9 +1270,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi as with the ECMAScript '==' operator, and puts the result as a boolean in register dst. */ - int dst = (++vPC)->u.operand; - JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue src1 = callFrame->r(vPC[2].u.operand).jsValue(); + JSValue src2 = callFrame->r(vPC[3].u.operand).jsValue(); if (src1.isInt32() && src2.isInt32()) callFrame->r(dst) = jsBoolean(src1.asInt32() == src2.asInt32()); else { @@ -1316,7 +1281,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(dst) = result; } - ++vPC; + vPC += OPCODE_LENGTH(op_eq); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_eq_null) { @@ -1325,17 +1290,17 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Checks whether register src is null, as with the ECMAScript '!=' operator, and puts the result as a boolean in register dst. */ - int dst = (++vPC)->u.operand; - JSValue src = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue src = callFrame->r(vPC[2].u.operand).jsValue(); if (src.isUndefinedOrNull()) { callFrame->r(dst) = jsBoolean(true); - ++vPC; + vPC += OPCODE_LENGTH(op_eq_null); NEXT_INSTRUCTION(); } callFrame->r(dst) = jsBoolean(src.isCell() && src.asCell()->structure()->typeInfo().masqueradesAsUndefined()); - ++vPC; + vPC += OPCODE_LENGTH(op_eq_null); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_neq) { @@ -1345,9 +1310,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi equal, as with the ECMAScript '!=' operator, and puts the result as a boolean in register dst. */ - int dst = (++vPC)->u.operand; - JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue src1 = callFrame->r(vPC[2].u.operand).jsValue(); + JSValue src2 = callFrame->r(vPC[3].u.operand).jsValue(); if (src1.isInt32() && src2.isInt32()) callFrame->r(dst) = jsBoolean(src1.asInt32() != src2.asInt32()); else { @@ -1356,7 +1321,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(dst) = result; } - ++vPC; + vPC += OPCODE_LENGTH(op_neq); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_neq_null) { @@ -1365,17 +1330,17 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Checks whether register src is not null, as with the ECMAScript '!=' operator, and puts the result as a boolean in register dst. */ - int dst = (++vPC)->u.operand; - JSValue src = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue src = callFrame->r(vPC[2].u.operand).jsValue(); if (src.isUndefinedOrNull()) { callFrame->r(dst) = jsBoolean(false); - ++vPC; + vPC += OPCODE_LENGTH(op_neq_null); NEXT_INSTRUCTION(); } callFrame->r(dst) = jsBoolean(!src.isCell() || !asCell(src)->structure()->typeInfo().masqueradesAsUndefined()); - ++vPC; + vPC += OPCODE_LENGTH(op_neq_null); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_stricteq) { @@ -1385,12 +1350,12 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi equal, as with the ECMAScript '===' operator, and puts the result as a boolean in register dst. */ - int dst = (++vPC)->u.operand; - JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue(); - callFrame->r(dst) = jsBoolean(JSValue::strictEqual(src1, src2)); + int dst = vPC[1].u.operand; + JSValue src1 = callFrame->r(vPC[2].u.operand).jsValue(); + JSValue src2 = callFrame->r(vPC[3].u.operand).jsValue(); + callFrame->r(dst) = jsBoolean(JSValue::strictEqual(callFrame, src1, src2)); - ++vPC; + vPC += OPCODE_LENGTH(op_stricteq); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_nstricteq) { @@ -1400,12 +1365,12 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi strictly equal, as with the ECMAScript '!==' operator, and puts the result as a boolean in register dst. */ - int dst = (++vPC)->u.operand; - JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue(); - callFrame->r(dst) = jsBoolean(!JSValue::strictEqual(src1, src2)); + int dst = vPC[1].u.operand; + JSValue src1 = callFrame->r(vPC[2].u.operand).jsValue(); + JSValue src2 = callFrame->r(vPC[3].u.operand).jsValue(); + callFrame->r(dst) = jsBoolean(!JSValue::strictEqual(callFrame, src1, src2)); - ++vPC; + vPC += OPCODE_LENGTH(op_nstricteq); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_less) { @@ -1415,14 +1380,14 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi with the ECMAScript '<' operator, and puts the result as a boolean in register dst. */ - int dst = (++vPC)->u.operand; - JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue src1 = callFrame->r(vPC[2].u.operand).jsValue(); + JSValue src2 = callFrame->r(vPC[3].u.operand).jsValue(); JSValue result = jsBoolean(jsLess(callFrame, src1, src2)); CHECK_FOR_EXCEPTION(); callFrame->r(dst) = result; - ++vPC; + vPC += OPCODE_LENGTH(op_less); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_lesseq) { @@ -1432,14 +1397,14 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi register src2, as with the ECMAScript '<=' operator, and puts the result as a boolean in register dst. */ - int dst = (++vPC)->u.operand; - JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue src1 = callFrame->r(vPC[2].u.operand).jsValue(); + JSValue src2 = callFrame->r(vPC[3].u.operand).jsValue(); JSValue result = jsBoolean(jsLessEq(callFrame, src1, src2)); CHECK_FOR_EXCEPTION(); callFrame->r(dst) = result; - ++vPC; + vPC += OPCODE_LENGTH(op_lesseq); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_pre_inc) { @@ -1448,7 +1413,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Converts register srcDst to number, adds one, and puts the result back in register srcDst. */ - int srcDst = (++vPC)->u.operand; + int srcDst = vPC[1].u.operand; JSValue v = callFrame->r(srcDst).jsValue(); if (v.isInt32() && v.asInt32() < INT_MAX) callFrame->r(srcDst) = jsNumber(callFrame, v.asInt32() + 1); @@ -1458,7 +1423,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(srcDst) = result; } - ++vPC; + vPC += OPCODE_LENGTH(op_pre_inc); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_pre_dec) { @@ -1467,7 +1432,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Converts register srcDst to number, subtracts one, and puts the result back in register srcDst. */ - int srcDst = (++vPC)->u.operand; + int srcDst = vPC[1].u.operand; JSValue v = callFrame->r(srcDst).jsValue(); if (v.isInt32() && v.asInt32() > INT_MIN) callFrame->r(srcDst) = jsNumber(callFrame, v.asInt32() - 1); @@ -1477,7 +1442,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(srcDst) = result; } - ++vPC; + vPC += OPCODE_LENGTH(op_pre_dec); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_post_inc) { @@ -1487,8 +1452,8 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi written to register dst, and the number plus one is written back to register srcDst. */ - int dst = (++vPC)->u.operand; - int srcDst = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int srcDst = vPC[2].u.operand; JSValue v = callFrame->r(srcDst).jsValue(); if (v.isInt32() && v.asInt32() < INT_MAX) { callFrame->r(srcDst) = jsNumber(callFrame, v.asInt32() + 1); @@ -1500,7 +1465,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(dst) = number; } - ++vPC; + vPC += OPCODE_LENGTH(op_post_inc); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_post_dec) { @@ -1510,8 +1475,8 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi written to register dst, and the number minus one is written back to register srcDst. */ - int dst = (++vPC)->u.operand; - int srcDst = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int srcDst = vPC[2].u.operand; JSValue v = callFrame->r(srcDst).jsValue(); if (v.isInt32() && v.asInt32() > INT_MIN) { callFrame->r(srcDst) = jsNumber(callFrame, v.asInt32() - 1); @@ -1523,7 +1488,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(dst) = number; } - ++vPC; + vPC += OPCODE_LENGTH(op_post_dec); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_to_jsnumber) { @@ -1532,8 +1497,8 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Converts register src to number, and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - int src = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int src = vPC[2].u.operand; JSValue srcVal = callFrame->r(src).jsValue(); @@ -1545,7 +1510,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(dst) = result; } - ++vPC; + vPC += OPCODE_LENGTH(op_to_jsnumber); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_negate) { @@ -1554,8 +1519,8 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Converts register src to number, negates it, and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - JSValue src = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue src = callFrame->r(vPC[2].u.operand).jsValue(); if (src.isInt32() && src.asInt32()) callFrame->r(dst) = jsNumber(callFrame, -src.asInt32()); else { @@ -1564,7 +1529,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(dst) = result; } - ++vPC; + vPC += OPCODE_LENGTH(op_negate); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_add) { @@ -1574,17 +1539,17 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi in register dst. (JS add may be string concatenation or numeric add, depending on the types of the operands.) */ - int dst = (++vPC)->u.operand; - JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue(); - if (src1.isInt32() && src2.isInt32() && !(src1.asInt32() | src2.asInt32() & 0xc0000000)) // no overflow + int dst = vPC[1].u.operand; + JSValue src1 = callFrame->r(vPC[2].u.operand).jsValue(); + JSValue src2 = callFrame->r(vPC[3].u.operand).jsValue(); + if (src1.isInt32() && src2.isInt32() && !(src1.asInt32() | (src2.asInt32() & 0xc0000000))) // no overflow callFrame->r(dst) = jsNumber(callFrame, src1.asInt32() + src2.asInt32()); else { JSValue result = jsAdd(callFrame, src1, src2); CHECK_FOR_EXCEPTION(); callFrame->r(dst) = result; } - vPC += 2; + vPC += OPCODE_LENGTH(op_add); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_mul) { @@ -1593,9 +1558,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Multiplies register src1 and register src2 (converted to numbers), and puts the product in register dst. */ - int dst = (++vPC)->u.operand; - JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue src1 = callFrame->r(vPC[2].u.operand).jsValue(); + JSValue src2 = callFrame->r(vPC[3].u.operand).jsValue(); if (src1.isInt32() && src2.isInt32() && !(src1.asInt32() | src2.asInt32() >> 15)) // no overflow callFrame->r(dst) = jsNumber(callFrame, src1.asInt32() * src2.asInt32()); else { @@ -1604,7 +1569,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(dst) = result; } - vPC += 2; + vPC += OPCODE_LENGTH(op_mul); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_div) { @@ -1614,15 +1579,15 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi register divisor (converted to number), and puts the quotient in register dst. */ - int dst = (++vPC)->u.operand; - JSValue dividend = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue divisor = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue dividend = callFrame->r(vPC[2].u.operand).jsValue(); + JSValue divisor = callFrame->r(vPC[3].u.operand).jsValue(); JSValue result = jsNumber(callFrame, dividend.toNumber(callFrame) / divisor.toNumber(callFrame)); CHECK_FOR_EXCEPTION(); callFrame->r(dst) = result; - vPC += 2; + vPC += OPCODE_LENGTH(op_div); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_mod) { @@ -1632,15 +1597,15 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi register divisor (converted to number), and puts the remainder in register dst. */ - int dst = (++vPC)->u.operand; - JSValue dividend = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue divisor = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue dividend = callFrame->r(vPC[2].u.operand).jsValue(); + JSValue divisor = callFrame->r(vPC[3].u.operand).jsValue(); if (dividend.isInt32() && divisor.isInt32() && divisor.asInt32() != 0) { JSValue result = jsNumber(callFrame, dividend.asInt32() % divisor.asInt32()); ASSERT(result); callFrame->r(dst) = result; - ++vPC; + vPC += OPCODE_LENGTH(op_mod); NEXT_INSTRUCTION(); } @@ -1651,7 +1616,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi JSValue result = jsNumber(callFrame, fmod(d1, d2)); CHECK_FOR_EXCEPTION(); callFrame->r(dst) = result; - ++vPC; + vPC += OPCODE_LENGTH(op_mod); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_sub) { @@ -1661,17 +1626,17 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi src1 (converted to number), and puts the difference in register dst. */ - int dst = (++vPC)->u.operand; - JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue(); - if (src1.isInt32() && src2.isInt32() && !(src1.asInt32() | src2.asInt32() & 0xc0000000)) // no overflow + int dst = vPC[1].u.operand; + JSValue src1 = callFrame->r(vPC[2].u.operand).jsValue(); + JSValue src2 = callFrame->r(vPC[3].u.operand).jsValue(); + if (src1.isInt32() && src2.isInt32() && !(src1.asInt32() | (src2.asInt32() & 0xc0000000))) // no overflow callFrame->r(dst) = jsNumber(callFrame, src1.asInt32() - src2.asInt32()); else { JSValue result = jsNumber(callFrame, src1.toNumber(callFrame) - src2.toNumber(callFrame)); CHECK_FOR_EXCEPTION(); callFrame->r(dst) = result; } - vPC += 2; + vPC += OPCODE_LENGTH(op_sub); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_lshift) { @@ -1681,9 +1646,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi register shift (converted to uint32), and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - JSValue val = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue shift = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue val = callFrame->r(vPC[2].u.operand).jsValue(); + JSValue shift = callFrame->r(vPC[3].u.operand).jsValue(); if (val.isInt32() && shift.isInt32()) callFrame->r(dst) = jsNumber(callFrame, val.asInt32() << (shift.asInt32() & 0x1f)); @@ -1693,7 +1658,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(dst) = result; } - ++vPC; + vPC += OPCODE_LENGTH(op_lshift); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_rshift) { @@ -1703,9 +1668,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi to int32) by register shift (converted to uint32), and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - JSValue val = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue shift = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue val = callFrame->r(vPC[2].u.operand).jsValue(); + JSValue shift = callFrame->r(vPC[3].u.operand).jsValue(); if (val.isInt32() && shift.isInt32()) callFrame->r(dst) = jsNumber(callFrame, val.asInt32() >> (shift.asInt32() & 0x1f)); @@ -1715,7 +1680,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(dst) = result; } - ++vPC; + vPC += OPCODE_LENGTH(op_rshift); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_urshift) { @@ -1725,9 +1690,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi to uint32) by register shift (converted to uint32), and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - JSValue val = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue shift = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue val = callFrame->r(vPC[2].u.operand).jsValue(); + JSValue shift = callFrame->r(vPC[3].u.operand).jsValue(); if (val.isUInt32() && shift.isInt32()) callFrame->r(dst) = jsNumber(callFrame, val.asInt32() >> (shift.asInt32() & 0x1f)); else { @@ -1736,7 +1701,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(dst) = result; } - ++vPC; + vPC += OPCODE_LENGTH(op_urshift); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_bitand) { @@ -1746,9 +1711,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi and register src2 (converted to int32), and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue src1 = callFrame->r(vPC[2].u.operand).jsValue(); + JSValue src2 = callFrame->r(vPC[3].u.operand).jsValue(); if (src1.isInt32() && src2.isInt32()) callFrame->r(dst) = jsNumber(callFrame, src1.asInt32() & src2.asInt32()); else { @@ -1757,7 +1722,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(dst) = result; } - vPC += 2; + vPC += OPCODE_LENGTH(op_bitand); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_bitxor) { @@ -1767,9 +1732,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi and register src2 (converted to int32), and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue src1 = callFrame->r(vPC[2].u.operand).jsValue(); + JSValue src2 = callFrame->r(vPC[3].u.operand).jsValue(); if (src1.isInt32() && src2.isInt32()) callFrame->r(dst) = jsNumber(callFrame, src1.asInt32() ^ src2.asInt32()); else { @@ -1778,7 +1743,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(dst) = result; } - vPC += 2; + vPC += OPCODE_LENGTH(op_bitxor); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_bitor) { @@ -1788,9 +1753,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi and register src2 (converted to int32), and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue src1 = callFrame->r(vPC[2].u.operand).jsValue(); + JSValue src2 = callFrame->r(vPC[3].u.operand).jsValue(); if (src1.isInt32() && src2.isInt32()) callFrame->r(dst) = jsNumber(callFrame, src1.asInt32() | src2.asInt32()); else { @@ -1799,7 +1764,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(dst) = result; } - vPC += 2; + vPC += OPCODE_LENGTH(op_bitor); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_bitnot) { @@ -1808,8 +1773,8 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Computes bitwise NOT of register src1 (converted to int32), and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - JSValue src = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue src = callFrame->r(vPC[2].u.operand).jsValue(); if (src.isInt32()) callFrame->r(dst) = jsNumber(callFrame, ~src.asInt32()); else { @@ -1817,7 +1782,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi CHECK_FOR_EXCEPTION(); callFrame->r(dst) = result; } - ++vPC; + vPC += OPCODE_LENGTH(op_bitnot); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_not) { @@ -1826,13 +1791,13 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Computes logical NOT of register src (converted to boolean), and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - int src = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int src = vPC[2].u.operand; JSValue result = jsBoolean(!callFrame->r(src).jsValue().toBoolean(callFrame)); CHECK_FOR_EXCEPTION(); callFrame->r(dst) = result; - ++vPC; + vPC += OPCODE_LENGTH(op_not); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_instanceof) { @@ -1862,7 +1827,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi CHECK_FOR_EXCEPTION(); callFrame->r(dst) = jsBoolean(result); - vPC += 5; + vPC += OPCODE_LENGTH(op_instanceof); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_typeof) { @@ -1871,11 +1836,11 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Determines the type string for src according to ECMAScript rules, and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - int src = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int src = vPC[2].u.operand; callFrame->r(dst) = JSValue(jsTypeStringForValue(callFrame, callFrame->r(src).jsValue())); - ++vPC; + vPC += OPCODE_LENGTH(op_typeof); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_is_undefined) { @@ -1885,12 +1850,12 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi the ECMAScript rules is "undefined", and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - int src = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int src = vPC[2].u.operand; JSValue v = callFrame->r(src).jsValue(); callFrame->r(dst) = jsBoolean(v.isCell() ? v.asCell()->structure()->typeInfo().masqueradesAsUndefined() : v.isUndefined()); - ++vPC; + vPC += OPCODE_LENGTH(op_is_undefined); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_is_boolean) { @@ -1900,11 +1865,11 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi the ECMAScript rules is "boolean", and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - int src = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int src = vPC[2].u.operand; callFrame->r(dst) = jsBoolean(callFrame->r(src).jsValue().isBoolean()); - ++vPC; + vPC += OPCODE_LENGTH(op_is_boolean); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_is_number) { @@ -1914,11 +1879,11 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi the ECMAScript rules is "number", and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - int src = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int src = vPC[2].u.operand; callFrame->r(dst) = jsBoolean(callFrame->r(src).jsValue().isNumber()); - ++vPC; + vPC += OPCODE_LENGTH(op_is_number); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_is_string) { @@ -1928,11 +1893,11 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi the ECMAScript rules is "string", and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - int src = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int src = vPC[2].u.operand; callFrame->r(dst) = jsBoolean(callFrame->r(src).jsValue().isString()); - ++vPC; + vPC += OPCODE_LENGTH(op_is_string); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_is_object) { @@ -1942,11 +1907,11 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi the ECMAScript rules is "object", and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - int src = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int src = vPC[2].u.operand; callFrame->r(dst) = jsBoolean(jsIsObjectType(callFrame->r(src).jsValue())); - ++vPC; + vPC += OPCODE_LENGTH(op_is_object); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_is_function) { @@ -1956,11 +1921,11 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi the ECMAScript rules is "function", and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - int src = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int src = vPC[2].u.operand; callFrame->r(dst) = jsBoolean(jsIsFunctionType(callFrame->r(src).jsValue())); - ++vPC; + vPC += OPCODE_LENGTH(op_is_function); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_in) { @@ -1972,9 +1937,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Raises an exception if register constructor is not an object. */ - int dst = (++vPC)->u.operand; - int property = (++vPC)->u.operand; - int base = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int property = vPC[2].u.operand; + int base = vPC[3].u.operand; JSValue baseVal = callFrame->r(base).jsValue(); if (isInvalidParamForIn(callFrame, callFrame->codeBlock(), vPC, baseVal, exceptionValue)) @@ -1993,7 +1958,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(dst) = jsBoolean(baseObj->hasProperty(callFrame, property)); } - ++vPC; + vPC += OPCODE_LENGTH(op_in); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_resolve) { @@ -2006,7 +1971,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi if (UNLIKELY(!resolve(callFrame, vPC, exceptionValue))) goto vm_throw; - vPC += 3; + vPC += OPCODE_LENGTH(op_resolve); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_resolve_skip) { @@ -2019,7 +1984,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi if (UNLIKELY(!resolveSkip(callFrame, vPC, exceptionValue))) goto vm_throw; - vPC += 4; + vPC += OPCODE_LENGTH(op_resolve_skip); NEXT_INSTRUCTION(); } @@ -2034,7 +1999,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi if (UNLIKELY(!resolveGlobal(callFrame, vPC, exceptionValue))) goto vm_throw; - vPC += 6; + vPC += OPCODE_LENGTH(op_resolve_global); NEXT_INSTRUCTION(); } @@ -2043,13 +2008,13 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Gets the global var at global slot index and places it in register dst. */ - int dst = (++vPC)->u.operand; - JSGlobalObject* scope = static_cast<JSGlobalObject*>((++vPC)->u.jsCell); + int dst = vPC[1].u.operand; + JSGlobalObject* scope = static_cast<JSGlobalObject*>(vPC[2].u.jsCell); ASSERT(scope->isGlobalObject()); - int index = (++vPC)->u.operand; + int index = vPC[3].u.operand; callFrame->r(dst) = scope->registerAt(index); - ++vPC; + vPC += OPCODE_LENGTH(op_get_global_var); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_put_global_var) { @@ -2057,13 +2022,13 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Puts value into global slot index. */ - JSGlobalObject* scope = static_cast<JSGlobalObject*>((++vPC)->u.jsCell); + JSGlobalObject* scope = static_cast<JSGlobalObject*>(vPC[1].u.jsCell); ASSERT(scope->isGlobalObject()); - int index = (++vPC)->u.operand; - int value = (++vPC)->u.operand; + int index = vPC[2].u.operand; + int value = vPC[3].u.operand; scope->registerAt(index) = JSValue(callFrame->r(value).jsValue()); - ++vPC; + vPC += OPCODE_LENGTH(op_put_global_var); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_get_scoped_var) { @@ -2072,9 +2037,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Loads the contents of the index-th local from the scope skip nodes from the top of the scope chain, and places it in register dst */ - int dst = (++vPC)->u.operand; - int index = (++vPC)->u.operand; - int skip = (++vPC)->u.operand + callFrame->codeBlock()->needsFullScopeChain(); + int dst = vPC[1].u.operand; + int index = vPC[2].u.operand; + int skip = vPC[3].u.operand + callFrame->codeBlock()->needsFullScopeChain(); ScopeChainNode* scopeChain = callFrame->scopeChain(); ScopeChainIterator iter = scopeChain->begin(); @@ -2088,16 +2053,16 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi ASSERT((*iter)->isVariableObject()); JSVariableObject* scope = static_cast<JSVariableObject*>(*iter); callFrame->r(dst) = scope->registerAt(index); - ++vPC; + vPC += OPCODE_LENGTH(op_get_scoped_var); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_put_scoped_var) { /* put_scoped_var index(n) skip(n) value(r) */ - int index = (++vPC)->u.operand; - int skip = (++vPC)->u.operand + callFrame->codeBlock()->needsFullScopeChain(); - int value = (++vPC)->u.operand; + int index = vPC[1].u.operand; + int skip = vPC[2].u.operand + callFrame->codeBlock()->needsFullScopeChain(); + int value = vPC[3].u.operand; ScopeChainNode* scopeChain = callFrame->scopeChain(); ScopeChainIterator iter = scopeChain->begin(); @@ -2111,7 +2076,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi ASSERT((*iter)->isVariableObject()); JSVariableObject* scope = static_cast<JSVariableObject*>(*iter); scope->registerAt(index) = JSValue(callFrame->r(value).jsValue()); - ++vPC; + vPC += OPCODE_LENGTH(op_put_scoped_var); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_resolve_base) { @@ -2124,7 +2089,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi */ resolveBase(callFrame, vPC); - vPC += 3; + vPC += OPCODE_LENGTH(op_resolve_base); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_resolve_with_base) { @@ -2142,7 +2107,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi if (UNLIKELY(!resolveBaseAndProperty(callFrame, vPC, exceptionValue))) goto vm_throw; - vPC += 4; + vPC += OPCODE_LENGTH(op_resolve_with_base); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_get_by_id) { @@ -2165,7 +2130,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi tryCacheGetByID(callFrame, codeBlock, vPC, baseValue, ident, slot); callFrame->r(dst) = result; - vPC += 8; + vPC += OPCODE_LENGTH(op_get_by_id); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_get_by_id_self) { @@ -2191,7 +2156,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi ASSERT(baseObject->get(callFrame, callFrame->codeBlock()->identifier(vPC[3].u.operand)) == baseObject->getDirectOffset(offset)); callFrame->r(dst) = JSValue(baseObject->getDirectOffset(offset)); - vPC += 8; + vPC += OPCODE_LENGTH(op_get_by_id_self); NEXT_INSTRUCTION(); } } @@ -2223,9 +2188,10 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi int offset = vPC[6].u.operand; ASSERT(protoObject->get(callFrame, callFrame->codeBlock()->identifier(vPC[3].u.operand)) == protoObject->getDirectOffset(offset)); + ASSERT(baseValue.get(callFrame, callFrame->codeBlock()->identifier(vPC[3].u.operand)) == protoObject->getDirectOffset(offset)); callFrame->r(dst) = JSValue(protoObject->getDirectOffset(offset)); - vPC += 8; + vPC += OPCODE_LENGTH(op_get_by_id_proto); NEXT_INSTRUCTION(); } } @@ -2238,14 +2204,14 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi // Polymorphic self access caching currently only supported when JITting. ASSERT_NOT_REACHED(); // This case of the switch must not be empty, else (op_get_by_id_self_list == op_get_by_id_chain)! - vPC += 8; + vPC += OPCODE_LENGTH(op_get_by_id_self_list); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_get_by_id_proto_list) { // Polymorphic prototype access caching currently only supported when JITting. ASSERT_NOT_REACHED(); // This case of the switch must not be empty, else (op_get_by_id_proto_list == op_get_by_id_chain)! - vPC += 8; + vPC += OPCODE_LENGTH(op_get_by_id_proto_list); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_get_by_id_chain) { @@ -2278,9 +2244,10 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi int offset = vPC[7].u.operand; ASSERT(baseObject->get(callFrame, callFrame->codeBlock()->identifier(vPC[3].u.operand)) == baseObject->getDirectOffset(offset)); + ASSERT(baseValue.get(callFrame, callFrame->codeBlock()->identifier(vPC[3].u.operand)) == baseObject->getDirectOffset(offset)); callFrame->r(dst) = JSValue(baseObject->getDirectOffset(offset)); - vPC += 8; + vPC += OPCODE_LENGTH(op_get_by_id_chain); NEXT_INSTRUCTION(); } @@ -2310,7 +2277,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi CHECK_FOR_EXCEPTION(); callFrame->r(dst) = result; - vPC += 8; + vPC += OPCODE_LENGTH(op_get_by_id_generic); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_get_array_length) { @@ -2326,7 +2293,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi if (LIKELY(isJSArray(globalData, baseValue))) { int dst = vPC[1].u.operand; callFrame->r(dst) = jsNumber(callFrame, asArray(baseValue)->length()); - vPC += 8; + vPC += OPCODE_LENGTH(op_get_array_length); NEXT_INSTRUCTION(); } @@ -2345,8 +2312,8 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi JSValue baseValue = callFrame->r(base).jsValue(); if (LIKELY(isJSString(globalData, baseValue))) { int dst = vPC[1].u.operand; - callFrame->r(dst) = jsNumber(callFrame, asString(baseValue)->value().size()); - vPC += 8; + callFrame->r(dst) = jsNumber(callFrame, asString(baseValue)->length()); + vPC += OPCODE_LENGTH(op_get_string_length); NEXT_INSTRUCTION(); } @@ -2376,7 +2343,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi tryCachePutByID(callFrame, codeBlock, vPC, baseValue, slot); - vPC += 8; + vPC += OPCODE_LENGTH(op_put_by_id); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_put_by_id_transition) { @@ -2421,7 +2388,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi ASSERT(baseObject->offsetForLocation(baseObject->getDirectLocation(callFrame->codeBlock()->identifier(vPC[2].u.operand))) == offset); baseObject->putDirectOffset(offset, callFrame->r(value).jsValue()); - vPC += 8; + vPC += OPCODE_LENGTH(op_put_by_id_transition); NEXT_INSTRUCTION(); } } @@ -2456,7 +2423,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi ASSERT(baseObject->offsetForLocation(baseObject->getDirectLocation(callFrame->codeBlock()->identifier(vPC[2].u.operand))) == offset); baseObject->putDirectOffset(offset, callFrame->r(value).jsValue()); - vPC += 8; + vPC += OPCODE_LENGTH(op_put_by_id_replace); NEXT_INSTRUCTION(); } } @@ -2483,7 +2450,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi baseValue.put(callFrame, ident, callFrame->r(value).jsValue(), slot); CHECK_FOR_EXCEPTION(); - vPC += 8; + vPC += OPCODE_LENGTH(op_put_by_id_generic); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_del_by_id) { @@ -2494,16 +2461,43 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi boolean indicating success (if true) or failure (if false) to register dst. */ - int dst = (++vPC)->u.operand; - int base = (++vPC)->u.operand; - int property = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int base = vPC[2].u.operand; + int property = vPC[3].u.operand; JSObject* baseObj = callFrame->r(base).jsValue().toObject(callFrame); Identifier& ident = callFrame->codeBlock()->identifier(property); JSValue result = jsBoolean(baseObj->deleteProperty(callFrame, ident)); CHECK_FOR_EXCEPTION(); callFrame->r(dst) = result; - ++vPC; + vPC += OPCODE_LENGTH(op_del_by_id); + NEXT_INSTRUCTION(); + } + DEFINE_OPCODE(op_get_by_pname) { + int dst = vPC[1].u.operand; + int base = vPC[2].u.operand; + int property = vPC[3].u.operand; + int expected = vPC[4].u.operand; + int iter = vPC[5].u.operand; + int i = vPC[6].u.operand; + + JSValue baseValue = callFrame->r(base).jsValue(); + JSPropertyNameIterator* it = callFrame->r(iter).propertyNameIterator(); + JSValue subscript = callFrame->r(property).jsValue(); + JSValue expectedSubscript = callFrame->r(expected).jsValue(); + int index = callFrame->r(i).i() - 1; + JSValue result; + int offset = 0; + if (subscript == expectedSubscript && baseValue.isCell() && (baseValue.asCell()->structure() == it->cachedStructure()) && it->getOffset(index, offset)) { + callFrame->r(dst) = asObject(baseValue)->getDirectOffset(offset); + vPC += OPCODE_LENGTH(op_get_by_pname); + NEXT_INSTRUCTION(); + } + Identifier propertyName(callFrame, subscript.toString(callFrame)); + result = baseValue.get(callFrame, propertyName); + CHECK_FOR_EXCEPTION(); + callFrame->r(dst) = result; + vPC += OPCODE_LENGTH(op_get_by_pname); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_get_by_val) { @@ -2514,9 +2508,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi in register dst. property is nominally converted to string but numbers are treated more efficiently. */ - int dst = (++vPC)->u.operand; - int base = (++vPC)->u.operand; - int property = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int base = vPC[2].u.operand; + int property = vPC[3].u.operand; JSValue baseValue = callFrame->r(base).jsValue(); JSValue subscript = callFrame->r(property).jsValue(); @@ -2532,7 +2526,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi else result = jsArray->JSArray::get(callFrame, i); } else if (isJSString(globalData, baseValue) && asString(baseValue)->canGetIndex(i)) - result = asString(baseValue)->getIndex(&callFrame->globalData(), i); + result = asString(baseValue)->getIndex(callFrame, i); else if (isJSByteArray(globalData, baseValue) && asByteArray(baseValue)->canAccessIndex(i)) result = asByteArray(baseValue)->getIndex(callFrame, i); else @@ -2544,7 +2538,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi CHECK_FOR_EXCEPTION(); callFrame->r(dst) = result; - ++vPC; + vPC += OPCODE_LENGTH(op_get_by_val); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_put_by_val) { @@ -2558,9 +2552,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Unlike many opcodes, this one does not write any output to the register file. */ - int base = (++vPC)->u.operand; - int property = (++vPC)->u.operand; - int value = (++vPC)->u.operand; + int base = vPC[1].u.operand; + int property = vPC[2].u.operand; + int value = vPC[3].u.operand; JSValue baseValue = callFrame->r(base).jsValue(); JSValue subscript = callFrame->r(property).jsValue(); @@ -2594,7 +2588,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi } CHECK_FOR_EXCEPTION(); - ++vPC; + vPC += OPCODE_LENGTH(op_put_by_val); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_del_by_val) { @@ -2605,9 +2599,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi boolean indicating success (if true) or failure (if false) to register dst. */ - int dst = (++vPC)->u.operand; - int base = (++vPC)->u.operand; - int property = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int base = vPC[2].u.operand; + int property = vPC[3].u.operand; JSObject* baseObj = callFrame->r(base).jsValue().toObject(callFrame); // may throw @@ -2625,7 +2619,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi CHECK_FOR_EXCEPTION(); callFrame->r(dst) = result; - ++vPC; + vPC += OPCODE_LENGTH(op_del_by_val); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_put_by_index) { @@ -2640,13 +2634,13 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi This opcode is mainly used to initialize array literals. */ - int base = (++vPC)->u.operand; - unsigned property = (++vPC)->u.operand; - int value = (++vPC)->u.operand; + int base = vPC[1].u.operand; + unsigned property = vPC[2].u.operand; + int value = vPC[3].u.operand; callFrame->r(base).jsValue().put(callFrame, property, callFrame->r(value).jsValue()); - ++vPC; + vPC += OPCODE_LENGTH(op_put_by_index); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_loop) { @@ -2661,7 +2655,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi #if ENABLE(OPCODE_STATS) OpcodeStats::resetLastInstruction(); #endif - int target = (++vPC)->u.operand; + int target = vPC[1].u.operand; CHECK_FOR_TIMEOUT(); vPC += target; NEXT_INSTRUCTION(); @@ -2675,7 +2669,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi #if ENABLE(OPCODE_STATS) OpcodeStats::resetLastInstruction(); #endif - int target = (++vPC)->u.operand; + int target = vPC[1].u.operand; vPC += target; NEXT_INSTRUCTION(); @@ -2689,15 +2683,35 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Additionally this loop instruction may terminate JS execution is the JS timeout is reached. */ - int cond = (++vPC)->u.operand; - int target = (++vPC)->u.operand; + int cond = vPC[1].u.operand; + int target = vPC[2].u.operand; if (callFrame->r(cond).jsValue().toBoolean(callFrame)) { vPC += target; CHECK_FOR_TIMEOUT(); NEXT_INSTRUCTION(); } - ++vPC; + vPC += OPCODE_LENGTH(op_loop_if_true); + NEXT_INSTRUCTION(); + } + DEFINE_OPCODE(op_loop_if_false) { + /* loop_if_true cond(r) target(offset) + + Jumps to offset target from the current instruction, if and + only if register cond converts to boolean as false. + + Additionally this loop instruction may terminate JS execution is + the JS timeout is reached. + */ + int cond = vPC[1].u.operand; + int target = vPC[2].u.operand; + if (!callFrame->r(cond).jsValue().toBoolean(callFrame)) { + vPC += target; + CHECK_FOR_TIMEOUT(); + NEXT_INSTRUCTION(); + } + + vPC += OPCODE_LENGTH(op_loop_if_true); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_jtrue) { @@ -2706,14 +2720,14 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Jumps to offset target from the current instruction, if and only if register cond converts to boolean as true. */ - int cond = (++vPC)->u.operand; - int target = (++vPC)->u.operand; + int cond = vPC[1].u.operand; + int target = vPC[2].u.operand; if (callFrame->r(cond).jsValue().toBoolean(callFrame)) { vPC += target; NEXT_INSTRUCTION(); } - ++vPC; + vPC += OPCODE_LENGTH(op_jtrue); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_jfalse) { @@ -2722,14 +2736,14 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Jumps to offset target from the current instruction, if and only if register cond converts to boolean as false. */ - int cond = (++vPC)->u.operand; - int target = (++vPC)->u.operand; + int cond = vPC[1].u.operand; + int target = vPC[2].u.operand; if (!callFrame->r(cond).jsValue().toBoolean(callFrame)) { vPC += target; NEXT_INSTRUCTION(); } - ++vPC; + vPC += OPCODE_LENGTH(op_jfalse); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_jeq_null) { @@ -2738,8 +2752,8 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Jumps to offset target from the current instruction, if and only if register src is null. */ - int src = (++vPC)->u.operand; - int target = (++vPC)->u.operand; + int src = vPC[1].u.operand; + int target = vPC[2].u.operand; JSValue srcValue = callFrame->r(src).jsValue(); if (srcValue.isUndefinedOrNull() || (srcValue.isCell() && srcValue.asCell()->structure()->typeInfo().masqueradesAsUndefined())) { @@ -2747,7 +2761,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi NEXT_INSTRUCTION(); } - ++vPC; + vPC += OPCODE_LENGTH(op_jeq_null); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_jneq_null) { @@ -2756,16 +2770,16 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Jumps to offset target from the current instruction, if and only if register src is not null. */ - int src = (++vPC)->u.operand; - int target = (++vPC)->u.operand; + int src = vPC[1].u.operand; + int target = vPC[2].u.operand; JSValue srcValue = callFrame->r(src).jsValue(); - if (!srcValue.isUndefinedOrNull() || (srcValue.isCell() && !srcValue.asCell()->structure()->typeInfo().masqueradesAsUndefined())) { + if (!srcValue.isUndefinedOrNull() && (!srcValue.isCell() || !srcValue.asCell()->structure()->typeInfo().masqueradesAsUndefined())) { vPC += target; NEXT_INSTRUCTION(); } - ++vPC; + vPC += OPCODE_LENGTH(op_jneq_null); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_jneq_ptr) { @@ -2774,16 +2788,16 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Jumps to offset target from the current instruction, if the value r is equal to ptr, using pointer equality. */ - int src = (++vPC)->u.operand; - JSValue ptr = JSValue((++vPC)->u.jsCell); - int target = (++vPC)->u.operand; + int src = vPC[1].u.operand; + JSValue ptr = JSValue(vPC[2].u.jsCell); + int target = vPC[3].u.operand; JSValue srcValue = callFrame->r(src).jsValue(); if (srcValue != ptr) { vPC += target; NEXT_INSTRUCTION(); } - ++vPC; + vPC += OPCODE_LENGTH(op_jneq_ptr); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_loop_if_less) { @@ -2797,9 +2811,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Additionally this loop instruction may terminate JS execution is the JS timeout is reached. */ - JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue(); - int target = (++vPC)->u.operand; + JSValue src1 = callFrame->r(vPC[1].u.operand).jsValue(); + JSValue src2 = callFrame->r(vPC[2].u.operand).jsValue(); + int target = vPC[3].u.operand; bool result = jsLess(callFrame, src1, src2); CHECK_FOR_EXCEPTION(); @@ -2810,7 +2824,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi NEXT_INSTRUCTION(); } - ++vPC; + vPC += OPCODE_LENGTH(op_loop_if_less); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_loop_if_lesseq) { @@ -2824,9 +2838,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Additionally this loop instruction may terminate JS execution is the JS timeout is reached. */ - JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue(); - int target = (++vPC)->u.operand; + JSValue src1 = callFrame->r(vPC[1].u.operand).jsValue(); + JSValue src2 = callFrame->r(vPC[2].u.operand).jsValue(); + int target = vPC[3].u.operand; bool result = jsLessEq(callFrame, src1, src2); CHECK_FOR_EXCEPTION(); @@ -2837,7 +2851,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi NEXT_INSTRUCTION(); } - ++vPC; + vPC += OPCODE_LENGTH(op_loop_if_lesseq); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_jnless) { @@ -2848,9 +2862,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi target from the current instruction, if and only if the result of the comparison is false. */ - JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue(); - int target = (++vPC)->u.operand; + JSValue src1 = callFrame->r(vPC[1].u.operand).jsValue(); + JSValue src2 = callFrame->r(vPC[2].u.operand).jsValue(); + int target = vPC[3].u.operand; bool result = jsLess(callFrame, src1, src2); CHECK_FOR_EXCEPTION(); @@ -2860,7 +2874,30 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi NEXT_INSTRUCTION(); } - ++vPC; + vPC += OPCODE_LENGTH(op_jnless); + NEXT_INSTRUCTION(); + } + DEFINE_OPCODE(op_jless) { + /* jless src1(r) src2(r) target(offset) + + Checks whether register src1 is less than register src2, as + with the ECMAScript '<' operator, and then jumps to offset + target from the current instruction, if and only if the + result of the comparison is true. + */ + JSValue src1 = callFrame->r(vPC[1].u.operand).jsValue(); + JSValue src2 = callFrame->r(vPC[2].u.operand).jsValue(); + int target = vPC[3].u.operand; + + bool result = jsLess(callFrame, src1, src2); + CHECK_FOR_EXCEPTION(); + + if (result) { + vPC += target; + NEXT_INSTRUCTION(); + } + + vPC += OPCODE_LENGTH(op_jless); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_jnlesseq) { @@ -2871,9 +2908,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi and then jumps to offset target from the current instruction, if and only if theresult of the comparison is false. */ - JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue(); - int target = (++vPC)->u.operand; + JSValue src1 = callFrame->r(vPC[1].u.operand).jsValue(); + JSValue src2 = callFrame->r(vPC[2].u.operand).jsValue(); + int target = vPC[3].u.operand; bool result = jsLessEq(callFrame, src1, src2); CHECK_FOR_EXCEPTION(); @@ -2883,7 +2920,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi NEXT_INSTRUCTION(); } - ++vPC; + vPC += OPCODE_LENGTH(op_jnlesseq); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_switch_imm) { @@ -2895,9 +2932,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi table, and the value at jumpTable[scrutinee value] is non-zero, then that value is used as the jump offset, otherwise defaultOffset is used. */ - int tableIndex = (++vPC)->u.operand; - int defaultOffset = (++vPC)->u.operand; - JSValue scrutinee = callFrame->r((++vPC)->u.operand).jsValue(); + int tableIndex = vPC[1].u.operand; + int defaultOffset = vPC[2].u.operand; + JSValue scrutinee = callFrame->r(vPC[3].u.operand).jsValue(); if (scrutinee.isInt32()) vPC += callFrame->codeBlock()->immediateSwitchJumpTable(tableIndex).offsetForValue(scrutinee.asInt32(), defaultOffset); else { @@ -2919,13 +2956,13 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi table, and the value at jumpTable[scrutinee value] is non-zero, then that value is used as the jump offset, otherwise defaultOffset is used. */ - int tableIndex = (++vPC)->u.operand; - int defaultOffset = (++vPC)->u.operand; - JSValue scrutinee = callFrame->r((++vPC)->u.operand).jsValue(); + int tableIndex = vPC[1].u.operand; + int defaultOffset = vPC[2].u.operand; + JSValue scrutinee = callFrame->r(vPC[3].u.operand).jsValue(); if (!scrutinee.isString()) vPC += defaultOffset; else { - UString::Rep* value = asString(scrutinee)->value().rep(); + UString::Rep* value = asString(scrutinee)->value(callFrame).rep(); if (value->size() != 1) vPC += defaultOffset; else @@ -2942,13 +2979,13 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi jump table, then the value associated with the string is used as the jump offset, otherwise defaultOffset is used. */ - int tableIndex = (++vPC)->u.operand; - int defaultOffset = (++vPC)->u.operand; - JSValue scrutinee = callFrame->r((++vPC)->u.operand).jsValue(); + int tableIndex = vPC[1].u.operand; + int defaultOffset = vPC[2].u.operand; + JSValue scrutinee = callFrame->r(vPC[3].u.operand).jsValue(); if (!scrutinee.isString()) vPC += defaultOffset; else - vPC += callFrame->codeBlock()->stringSwitchJumpTable(tableIndex).offsetForValue(asString(scrutinee)->value().rep(), defaultOffset); + vPC += callFrame->codeBlock()->stringSwitchJumpTable(tableIndex).offsetForValue(asString(scrutinee)->value(callFrame).rep(), defaultOffset); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_new_func) { @@ -2959,12 +2996,12 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi constructor, using the rules for function declarations, and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - int func = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int func = vPC[2].u.operand; callFrame->r(dst) = JSValue(callFrame->codeBlock()->functionDecl(func)->make(callFrame, callFrame->scopeChain())); - ++vPC; + vPC += OPCODE_LENGTH(op_new_func); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_new_func_exp) { @@ -2975,8 +3012,8 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi constructor, using the rules for function expressions, and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - int funcIndex = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int funcIndex = vPC[2].u.operand; FunctionExecutable* function = callFrame->codeBlock()->functionExpr(funcIndex); JSFunction* func = function->make(callFrame, callFrame->scopeChain()); @@ -2995,7 +3032,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(dst) = JSValue(func); - ++vPC; + vPC += OPCODE_LENGTH(op_new_func_exp); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_call_eval) { @@ -3020,7 +3057,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Register* newCallFrame = callFrame->registers() + registerOffset; Register* argv = newCallFrame - RegisterFile::CallFrameHeaderSize - argCount; JSValue thisValue = argv[0].jsValue(); - JSGlobalObject* globalObject = callFrame->scopeChain()->globalObject(); + JSGlobalObject* globalObject = callFrame->scopeChain()->globalObject; if (thisValue == globalObject && funcVal == globalObject->evalFunction()) { JSValue result = callEval(callFrame, registerFile, argv, argCount, registerOffset, exceptionValue); @@ -3028,7 +3065,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi goto vm_throw; callFrame->r(dst) = result; - vPC += 5; + vPC += OPCODE_LENGTH(op_call_eval); NEXT_INSTRUCTION(); } @@ -3088,7 +3125,6 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi #else newCallFrame->init(0, vPC + 5, scopeChain, callFrame, dst, argCount, asObject(v)); #endif - Register* thisRegister = newCallFrame->registers() - RegisterFile::CallFrameHeaderSize - argCount; ArgList args(thisRegister + 1, argCount - 1); @@ -3099,14 +3135,14 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi JSValue returnValue; { - SamplingTool::HostCallRecord callRecord(m_sampler); + SamplingTool::HostCallRecord callRecord(m_sampler.get()); returnValue = callData.native.function(newCallFrame, asObject(v), thisValue, args); } CHECK_FOR_EXCEPTION(); callFrame->r(dst) = returnValue; - vPC += 5; + vPC += OPCODE_LENGTH(op_call); NEXT_INSTRUCTION(); } @@ -3116,8 +3152,8 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi goto vm_throw; } DEFINE_OPCODE(op_load_varargs) { - int argCountDst = (++vPC)->u.operand; - int argsOffset = (++vPC)->u.operand; + int argCountDst = vPC[1].u.operand; + int argsOffset = vPC[2].u.operand; JSValue arguments = callFrame->r(argsOffset).jsValue(); int32_t argCount = 0; @@ -3189,7 +3225,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi } CHECK_FOR_EXCEPTION(); callFrame->r(argCountDst) = Register::withInt(argCount + 1); - ++vPC; + vPC += OPCODE_LENGTH(op_load_varargs); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_call_varargs) { @@ -3246,7 +3282,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi #else newCallFrame->init(0, vPC + 5, scopeChain, callFrame, dst, argCount, asObject(v)); #endif - + Register* thisRegister = newCallFrame->registers() - RegisterFile::CallFrameHeaderSize - argCount; ArgList args(thisRegister + 1, argCount - 1); @@ -3257,14 +3293,14 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi JSValue returnValue; { - SamplingTool::HostCallRecord callRecord(m_sampler); + SamplingTool::HostCallRecord callRecord(m_sampler.get()); returnValue = callData.native.function(newCallFrame, asObject(v), thisValue, args); } CHECK_FOR_EXCEPTION(); callFrame->r(dst) = returnValue; - vPC += 5; + vPC += OPCODE_LENGTH(op_call_varargs); NEXT_INSTRUCTION(); } @@ -3286,12 +3322,12 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi This opcode should only be used immediately before op_ret. */ - int src = (++vPC)->u.operand; + int src = vPC[1].u.operand; ASSERT(callFrame->codeBlock()->needsFullScopeChain()); asActivation(callFrame->r(src).jsValue())->copyRegisters(callFrame->optionalCalleeArguments()); - ++vPC; + vPC += OPCODE_LENGTH(op_tear_off_activation); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_tear_off_arguments) { @@ -3312,7 +3348,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi if (callFrame->optionalCalleeArguments()) callFrame->optionalCalleeArguments()->copyRegisters(); - ++vPC; + vPC += OPCODE_LENGTH(op_tear_off_arguments); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_ret) { @@ -3330,22 +3366,21 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi intptr_t sourceId = callFrame->codeBlock()->source()->asID(); #endif - int result = (++vPC)->u.operand; + int result = vPC[1].u.operand; if (callFrame->codeBlock()->needsFullScopeChain()) callFrame->scopeChain()->deref(); JSValue returnValue = callFrame->r(result).jsValue(); #ifdef QT_BUILD_SCRIPT_LIB - if (debugger) { + if (debugger) debugger->functionExit(returnValue, sourceId); - } #endif vPC = callFrame->returnPC(); int dst = callFrame->returnValueRegister(); callFrame = callFrame->callerFrame(); - + if (callFrame->hasHostCallFrameFlag()) return returnValue; @@ -3370,7 +3405,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi for (size_t count = codeBlock->m_numVars; i < count; ++i) callFrame->r(i) = jsUndefined(); - ++vPC; + vPC += OPCODE_LENGTH(op_enter); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_enter_with_activation) { @@ -3392,12 +3427,12 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi for (size_t count = codeBlock->m_numVars; i < count; ++i) callFrame->r(i) = jsUndefined(); - int dst = (++vPC)->u.operand; + int dst = vPC[1].u.operand; JSActivation* activation = new (globalData) JSActivation(callFrame, static_cast<FunctionExecutable*>(codeBlock->ownerExecutable())); callFrame->r(dst) = JSValue(activation); callFrame->setScopeChain(callFrame->scopeChain()->copy()->push(activation)); - ++vPC; + vPC += OPCODE_LENGTH(op_enter_with_activation); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_convert_this) { @@ -3412,12 +3447,12 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi block. */ - int thisRegister = (++vPC)->u.operand; + int thisRegister = vPC[1].u.operand; JSValue thisVal = callFrame->r(thisRegister).jsValue(); if (thisVal.needsThisConversion()) callFrame->r(thisRegister) = JSValue(thisVal.toThisObject(callFrame)); - ++vPC; + vPC += OPCODE_LENGTH(op_convert_this); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_init_arguments) { @@ -3431,7 +3466,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi block. */ callFrame->r(RegisterFile::ArgumentsRegister) = JSValue(); - ++vPC; + vPC += OPCODE_LENGTH(op_init_arguments); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_create_arguments) { @@ -3447,7 +3482,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->setCalleeArguments(arguments); callFrame->r(RegisterFile::ArgumentsRegister) = JSValue(arguments); } - ++vPC; + vPC += OPCODE_LENGTH(op_create_arguments); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_construct) { @@ -3486,11 +3521,10 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi if (prototype.isObject()) structure = asObject(prototype)->inheritorID(); else - structure = callDataScopeChain->globalObject()->emptyObjectStructure(); + structure = callDataScopeChain->globalObject->emptyObjectStructure(); #ifdef QT_BUILD_SCRIPT_LIB // ### world-class hack - QT_PREPEND_NAMESPACE(QScriptObject)* newObject - = new (globalData) QT_PREPEND_NAMESPACE(QScriptObject)(structure); + QT_PREPEND_NAMESPACE(QScriptObject)* newObject = new (globalData) QT_PREPEND_NAMESPACE(QScriptObject)(structure); #else JSObject* newObject = new (globalData) JSObject(structure); #endif @@ -3519,7 +3553,6 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi ArgList args(callFrame->registers() + thisRegister + 1, argCount - 1); ScopeChainNode* scopeChain = callFrame->scopeChain(); - CallFrame* newCallFrame = CallFrame::create(callFrame->registers() + registerOffset); #ifdef QT_BUILD_SCRIPT_LIB //we need the returnValue to be 0 as it is used as flags newCallFrame->init(0, vPC + 7, scopeChain, callFrame, 0, argCount, asObject(v)); @@ -3529,13 +3562,13 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi JSValue returnValue; { - SamplingTool::HostCallRecord callRecord(m_sampler); + SamplingTool::HostCallRecord callRecord(m_sampler.get()); returnValue = constructData.native.function(newCallFrame, asObject(v), args); } CHECK_FOR_EXCEPTION(); callFrame->r(dst) = JSValue(returnValue); - vPC += 7; + vPC += OPCODE_LENGTH(op_construct); NEXT_INSTRUCTION(); } @@ -3553,32 +3586,33 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi int dst = vPC[1].u.operand; if (LIKELY(callFrame->r(dst).jsValue().isObject())) { - vPC += 3; + vPC += OPCODE_LENGTH(op_construct_verify); NEXT_INSTRUCTION(); } int override = vPC[2].u.operand; callFrame->r(dst) = callFrame->r(override); - vPC += 3; + vPC += OPCODE_LENGTH(op_construct_verify); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_strcat) { - int dst = (++vPC)->u.operand; - int src = (++vPC)->u.operand; - int count = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int src = vPC[2].u.operand; + int count = vPC[3].u.operand; - callFrame->r(dst) = concatenateStrings(callFrame, &callFrame->registers()[src], count); - ++vPC; + callFrame->r(dst) = jsString(callFrame, &callFrame->registers()[src], count); + CHECK_FOR_EXCEPTION(); + vPC += OPCODE_LENGTH(op_strcat); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_to_primitive) { - int dst = (++vPC)->u.operand; - int src = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int src = vPC[2].u.operand; callFrame->r(dst) = callFrame->r(src).jsValue().toPrimitive(callFrame); - ++vPC; + vPC += OPCODE_LENGTH(op_to_primitive); NEXT_INSTRUCTION(); } @@ -3589,7 +3623,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi of the current scope chain. The contents of the register scope are replaced by the result of toObject conversion of the scope. */ - int scope = (++vPC)->u.operand; + int scope = vPC[1].u.operand; JSValue v = callFrame->r(scope).jsValue(); JSObject* o = v.toObject(callFrame); CHECK_FOR_EXCEPTION(); @@ -3597,7 +3631,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(scope) = JSValue(o); callFrame->setScopeChain(callFrame->scopeChain()->push(o)); - ++vPC; + vPC += OPCODE_LENGTH(op_push_scope); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_pop_scope) { @@ -3607,47 +3641,69 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi */ callFrame->setScopeChain(callFrame->scopeChain()->pop()); - ++vPC; + vPC += OPCODE_LENGTH(op_pop_scope); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_get_pnames) { - /* get_pnames dst(r) base(r) + /* get_pnames dst(r) base(r) i(n) size(n) breakTarget(offset) Creates a property name list for register base and puts it - in register dst. This is not a true JavaScript value, just - a synthetic value used to keep the iteration state in a - register. + in register dst, initializing i and size for iteration. If + base is undefined or null, jumps to breakTarget. */ - int dst = (++vPC)->u.operand; - int base = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int base = vPC[2].u.operand; + int i = vPC[3].u.operand; + int size = vPC[4].u.operand; + int breakTarget = vPC[5].u.operand; + + JSValue v = callFrame->r(base).jsValue(); + if (v.isUndefinedOrNull()) { + vPC += breakTarget; + NEXT_INSTRUCTION(); + } - callFrame->r(dst) = JSPropertyNameIterator::create(callFrame, callFrame->r(base).jsValue()); - ++vPC; + JSObject* o = v.toObject(callFrame); + Structure* structure = o->structure(); + JSPropertyNameIterator* jsPropertyNameIterator = structure->enumerationCache(); + if (!jsPropertyNameIterator || jsPropertyNameIterator->cachedPrototypeChain() != structure->prototypeChain(callFrame)) + jsPropertyNameIterator = JSPropertyNameIterator::create(callFrame, o); + + callFrame->r(dst) = jsPropertyNameIterator; + callFrame->r(base) = JSValue(o); + callFrame->r(i) = Register::withInt(0); + callFrame->r(size) = Register::withInt(jsPropertyNameIterator->size()); + vPC += OPCODE_LENGTH(op_get_pnames); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_next_pname) { - /* next_pname dst(r) iter(r) target(offset) + /* next_pname dst(r) base(r) i(n) size(n) iter(r) target(offset) - Tries to copies the next name from property name list in - register iter. If there are names left, then copies one to - register dst, and jumps to offset target. If there are none - left, invalidates the iterator and continues to the next + Copies the next name from the property name list in + register iter to dst, then jumps to offset target. If there are no + names left, invalidates the iterator and continues to the next instruction. */ - int dst = (++vPC)->u.operand; - int iter = (++vPC)->u.operand; - int target = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int base = vPC[2].u.operand; + int i = vPC[3].u.operand; + int size = vPC[4].u.operand; + int iter = vPC[5].u.operand; + int target = vPC[6].u.operand; JSPropertyNameIterator* it = callFrame->r(iter).propertyNameIterator(); - if (JSValue temp = it->next(callFrame)) { - CHECK_FOR_TIMEOUT(); - callFrame->r(dst) = JSValue(temp); - vPC += target; - NEXT_INSTRUCTION(); + while (callFrame->r(i).i() != callFrame->r(size).i()) { + JSValue key = it->get(callFrame, asObject(callFrame->r(base).jsValue()), callFrame->r(i).i()); + callFrame->r(i) = Register::withInt(callFrame->r(i).i() + 1); + if (key) { + CHECK_FOR_TIMEOUT(); + callFrame->r(dst) = key; + vPC += target; + NEXT_INSTRUCTION(); + } } - it->invalidate(); - ++vPC; + vPC += OPCODE_LENGTH(op_next_pname); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_jmp_scopes) { @@ -3657,8 +3713,8 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi specified by immediate number count, then jumps to offset target. */ - int count = (++vPC)->u.operand; - int target = (++vPC)->u.operand; + int count = vPC[1].u.operand; + int target = vPC[2].u.operand; ScopeChainNode* tmp = callFrame->scopeChain(); while (count--) @@ -3681,7 +3737,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi */ callFrame->setScopeChain(createExceptionScope(callFrame, vPC)); - vPC += 4; + vPC += OPCODE_LENGTH(op_push_new_scope); NEXT_INSTRUCTION(); } #if HAVE(COMPUTED_GOTO) @@ -3706,11 +3762,11 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi } #endif - int ex = (++vPC)->u.operand; + int ex = vPC[1].u.operand; callFrame->r(ex) = exceptionValue; exceptionValue = JSValue(); - ++vPC; + vPC += OPCODE_LENGTH(op_catch); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_throw) { @@ -3724,7 +3780,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi else the script returns control to the nearest native caller. */ - int ex = (++vPC)->u.operand; + int ex = vPC[1].u.operand; exceptionValue = callFrame->r(ex).jsValue(); handler = throwException(callFrame, exceptionValue, vPC - callFrame->codeBlock()->instructions().begin(), true); @@ -3744,14 +3800,14 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi constant message as the message string. The result is written to register dst. */ - int dst = (++vPC)->u.operand; - int type = (++vPC)->u.operand; - int message = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int type = vPC[2].u.operand; + int message = vPC[3].u.operand; CodeBlock* codeBlock = callFrame->codeBlock(); callFrame->r(dst) = JSValue(Error::create(callFrame, (ErrorType)type, callFrame->r(message).jsValue().toString(callFrame), codeBlock->lineNumberForBytecodeOffset(callFrame, vPC - codeBlock->instructions().begin()), codeBlock->ownerExecutable()->sourceID(), codeBlock->ownerExecutable()->sourceURL())); - ++vPC; + vPC += OPCODE_LENGTH(op_new_error); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_end) { @@ -3766,7 +3822,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi ASSERT(scopeChain->refCount > 1); scopeChain->deref(); } - int result = (++vPC)->u.operand; + int result = vPC[1].u.operand; return callFrame->r(result).jsValue(); } DEFINE_OPCODE(op_put_getter) { @@ -3780,9 +3836,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Unlike many opcodes, this one does not write any output to the register file. */ - int base = (++vPC)->u.operand; - int property = (++vPC)->u.operand; - int function = (++vPC)->u.operand; + int base = vPC[1].u.operand; + int property = vPC[2].u.operand; + int function = vPC[3].u.operand; ASSERT(callFrame->r(base).jsValue().isObject()); JSObject* baseObj = asObject(callFrame->r(base).jsValue()); @@ -3790,7 +3846,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi ASSERT(callFrame->r(function).jsValue().isObject()); baseObj->defineGetter(callFrame, ident, asObject(callFrame->r(function).jsValue())); - ++vPC; + vPC += OPCODE_LENGTH(op_put_getter); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_put_setter) { @@ -3804,9 +3860,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Unlike many opcodes, this one does not write any output to the register file. */ - int base = (++vPC)->u.operand; - int property = (++vPC)->u.operand; - int function = (++vPC)->u.operand; + int base = vPC[1].u.operand; + int property = vPC[2].u.operand; + int function = vPC[3].u.operand; ASSERT(callFrame->r(base).jsValue().isObject()); JSObject* baseObj = asObject(callFrame->r(base).jsValue()); @@ -3814,7 +3870,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi ASSERT(callFrame->r(function).jsValue().isObject()); baseObj->defineSetter(callFrame, ident, asObject(callFrame->r(function).jsValue()), 0); - ++vPC; + vPC += OPCODE_LENGTH(op_put_setter); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_method_check) { @@ -3827,9 +3883,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Places the address of the next instruction into the retAddrDst register and jumps to offset target from the current instruction. */ - int retAddrDst = (++vPC)->u.operand; - int target = (++vPC)->u.operand; - callFrame->r(retAddrDst) = vPC + 1; + int retAddrDst = vPC[1].u.operand; + int target = vPC[2].u.operand; + callFrame->r(retAddrDst) = vPC + OPCODE_LENGTH(op_jsr); vPC += target; NEXT_INSTRUCTION(); @@ -3841,24 +3897,23 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi differs from op_jmp because the target address is stored in a register, not as an immediate. */ - int retAddrSrc = (++vPC)->u.operand; + int retAddrSrc = vPC[1].u.operand; vPC = callFrame->r(retAddrSrc).vPC(); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_debug) { - /* debug debugHookID(n) firstLine(n) lastLine(n) columnNumber(n) + /* debug debugHookID(n) firstLine(n) lastLine(n) Notifies the debugger of the current state of execution. This opcode is only generated while the debugger is attached. */ - int debugHookID = (++vPC)->u.operand; - int firstLine = (++vPC)->u.operand; - int lastLine = (++vPC)->u.operand; - int column = (++vPC)->u.operand; + int debugHookID = vPC[1].u.operand; + int firstLine = vPC[2].u.operand; + int lastLine = vPC[3].u.operand; - debug(callFrame, static_cast<DebugHookID>(debugHookID), firstLine, lastLine, column); + debug(callFrame, static_cast<DebugHookID>(debugHookID), firstLine, lastLine); - ++vPC; + vPC += OPCODE_LENGTH(op_debug); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_profile_will_call) { @@ -3872,7 +3927,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi if (*enabledProfilerReference) (*enabledProfilerReference)->willExecute(callFrame, callFrame->r(function).jsValue()); - vPC += 2; + vPC += OPCODE_LENGTH(op_profile_will_call); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_profile_did_call) { @@ -3886,7 +3941,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi if (*enabledProfilerReference) (*enabledProfilerReference)->didExecute(callFrame, callFrame->r(function).jsValue()); - vPC += 2; + vPC += OPCODE_LENGTH(op_profile_did_call); NEXT_INSTRUCTION(); } vm_throw: { @@ -3992,4 +4047,40 @@ CallFrame* Interpreter::findFunctionCallFrame(CallFrame* callFrame, InternalFunc return 0; } +void Interpreter::enableSampler() +{ +#if ENABLE(OPCODE_SAMPLING) + if (!m_sampler) { + m_sampler.set(new SamplingTool(this)); + m_sampler->setup(); + } +#endif +} +void Interpreter::dumpSampleData(ExecState* exec) +{ +#if ENABLE(OPCODE_SAMPLING) + if (m_sampler) + m_sampler->dump(exec); +#else + UNUSED_PARAM(exec); +#endif +} +void Interpreter::startSampling() +{ +#if ENABLE(SAMPLING_THREAD) + if (!m_sampleEntryDepth) + SamplingThread::start(); + + m_sampleEntryDepth++; +#endif +} +void Interpreter::stopSampling() +{ +#if ENABLE(SAMPLING_THREAD) + m_sampleEntryDepth--; + if (!m_sampleEntryDepth) + SamplingThread::stop(); +#endif +} + } // namespace JSC diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/interpreter/Interpreter.h b/src/3rdparty/javascriptcore/JavaScriptCore/interpreter/Interpreter.h index 157e0c7..e17b055 100644 --- a/src/3rdparty/javascriptcore/JavaScriptCore/interpreter/Interpreter.h +++ b/src/3rdparty/javascriptcore/JavaScriptCore/interpreter/Interpreter.h @@ -105,13 +105,15 @@ namespace JSC { void getArgumentsData(CallFrame*, JSFunction*&, ptrdiff_t& firstParameterIndex, Register*& argv, int& argc); - void setSampler(SamplingTool* sampler) { m_sampler = sampler; } - SamplingTool* sampler() { return m_sampler; } + SamplingTool* sampler() { return m_sampler.get(); } NEVER_INLINE JSValue callEval(CallFrame*, RegisterFile*, Register* argv, int argc, int registerOffset, JSValue& exceptionValue); NEVER_INLINE HandlerInfo* throwException(CallFrame*&, JSValue&, unsigned bytecodeOffset, bool); - NEVER_INLINE void debug(CallFrame*, DebugHookID, int firstLine, int lastLine, int column); + NEVER_INLINE void debug(CallFrame*, DebugHookID, int firstLine, int lastLine); + void dumpSampleData(ExecState* exec); + void startSampling(); + void stopSampling(); private: enum ExecutionFlag { Normal, InitializeAndReturn }; @@ -127,7 +129,6 @@ namespace JSC { NEVER_INLINE bool resolveGlobal(CallFrame*, Instruction*, JSValue& exceptionValue); NEVER_INLINE void resolveBase(CallFrame*, Instruction* vPC); NEVER_INLINE bool resolveBaseAndProperty(CallFrame*, Instruction*, JSValue& exceptionValue); - NEVER_INLINE bool resolveBaseAndFunc(CallFrame*, Instruction*, JSValue& exceptionValue); NEVER_INLINE ScopeChainNode* createExceptionScope(CallFrame*, const Instruction* vPC); void tryCacheGetByID(CallFrame*, CodeBlock*, Instruction*, JSValue baseValue, const Identifier& propertyName, const PropertySlot&); @@ -149,7 +150,9 @@ namespace JSC { bool isCallBytecode(Opcode opcode) { return opcode == getOpcode(op_call) || opcode == getOpcode(op_construct) || opcode == getOpcode(op_call_eval); } - SamplingTool* m_sampler; + void enableSampler(); + int m_sampleEntryDepth; + OwnPtr<SamplingTool> m_sampler; int m_reentryDepth; diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/interpreter/Register.h b/src/3rdparty/javascriptcore/JavaScriptCore/interpreter/Register.h index ea1f849..3486fa7 100644 --- a/src/3rdparty/javascriptcore/JavaScriptCore/interpreter/Register.h +++ b/src/3rdparty/javascriptcore/JavaScriptCore/interpreter/Register.h @@ -50,17 +50,18 @@ namespace JSC { class Register : public WTF::FastAllocBase { public: Register(); - Register(JSValue); + Register(const JSValue&); + Register& operator=(const JSValue&); JSValue jsValue() const; - Register(JSActivation*); - Register(CallFrame*); - Register(CodeBlock*); - Register(JSObject*); - Register(JSPropertyNameIterator*); - Register(ScopeChainNode*); - Register(Instruction*); + Register& operator=(JSActivation*); + Register& operator=(CallFrame*); + Register& operator=(CodeBlock*); + Register& operator=(JSObject*); + Register& operator=(JSPropertyNameIterator*); + Register& operator=(ScopeChainNode*); + Register& operator=(Instruction*); int32_t i() const; JSActivation* activation() const; @@ -74,12 +75,12 @@ namespace JSC { static Register withInt(int32_t i) { - return Register(i); + Register r; + r.u.i = i; + return r; } private: - Register(int32_t); - union { int32_t i; EncodedJSValue value; @@ -97,13 +98,25 @@ namespace JSC { ALWAYS_INLINE Register::Register() { #ifndef NDEBUG - u.value = JSValue::encode(JSValue()); + *this = JSValue(); +#endif + } + + ALWAYS_INLINE Register::Register(const JSValue& v) + { +#if ENABLE(JSC_ZOMBIES) + ASSERT(!v.isZombie()); #endif + u.value = JSValue::encode(v); } - ALWAYS_INLINE Register::Register(JSValue v) + ALWAYS_INLINE Register& Register::operator=(const JSValue& v) { +#if ENABLE(JSC_ZOMBIES) + ASSERT(!v.isZombie()); +#endif u.value = JSValue::encode(v); + return *this; } ALWAYS_INLINE JSValue Register::jsValue() const @@ -113,44 +126,46 @@ namespace JSC { // Interpreter functions - ALWAYS_INLINE Register::Register(JSActivation* activation) + ALWAYS_INLINE Register& Register::operator=(JSActivation* activation) { u.activation = activation; + return *this; } - ALWAYS_INLINE Register::Register(CallFrame* callFrame) + ALWAYS_INLINE Register& Register::operator=(CallFrame* callFrame) { u.callFrame = callFrame; + return *this; } - ALWAYS_INLINE Register::Register(CodeBlock* codeBlock) + ALWAYS_INLINE Register& Register::operator=(CodeBlock* codeBlock) { u.codeBlock = codeBlock; + return *this; } - ALWAYS_INLINE Register::Register(JSObject* object) + ALWAYS_INLINE Register& Register::operator=(JSObject* object) { u.object = object; + return *this; } - ALWAYS_INLINE Register::Register(Instruction* vPC) + ALWAYS_INLINE Register& Register::operator=(Instruction* vPC) { u.vPC = vPC; + return *this; } - ALWAYS_INLINE Register::Register(ScopeChainNode* scopeChain) + ALWAYS_INLINE Register& Register::operator=(ScopeChainNode* scopeChain) { u.scopeChain = scopeChain; + return *this; } - ALWAYS_INLINE Register::Register(JSPropertyNameIterator* propertyNameIterator) + ALWAYS_INLINE Register& Register::operator=(JSPropertyNameIterator* propertyNameIterator) { u.propertyNameIterator = propertyNameIterator; - } - - ALWAYS_INLINE Register::Register(int32_t i) - { - u.i = i; + return *this; } ALWAYS_INLINE int32_t Register::i() const diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/interpreter/RegisterFile.cpp b/src/3rdparty/javascriptcore/JavaScriptCore/interpreter/RegisterFile.cpp index de5175e..939573b 100644 --- a/src/3rdparty/javascriptcore/JavaScriptCore/interpreter/RegisterFile.cpp +++ b/src/3rdparty/javascriptcore/JavaScriptCore/interpreter/RegisterFile.cpp @@ -36,7 +36,7 @@ RegisterFile::~RegisterFile() #if HAVE(MMAP) munmap(reinterpret_cast<char*>(m_buffer), ((m_max - m_start) + m_maxGlobals) * sizeof(Register)); #elif HAVE(VIRTUALALLOC) -#if PLATFORM(WINCE) +#if OS(WINCE) VirtualFree(m_buffer, DWORD(m_commitEnd) - DWORD(m_buffer), MEM_DECOMMIT); #endif VirtualFree(m_buffer, 0, MEM_RELEASE); diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/interpreter/RegisterFile.h b/src/3rdparty/javascriptcore/JavaScriptCore/interpreter/RegisterFile.h index 0eeff0e..34e2504 100644 --- a/src/3rdparty/javascriptcore/JavaScriptCore/interpreter/RegisterFile.h +++ b/src/3rdparty/javascriptcore/JavaScriptCore/interpreter/RegisterFile.h @@ -176,7 +176,7 @@ namespace JSC { #if HAVE(MMAP) m_buffer = reinterpret_cast<Register*>(mmap(0, bufferLength, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANON, VM_TAG_FOR_REGISTERFILE_MEMORY, 0)); if (m_buffer == MAP_FAILED) { -#if PLATFORM(WINCE) +#if OS(WINCE) fprintf(stderr, "Could not allocate register file: %d\n", GetLastError()); #else fprintf(stderr, "Could not allocate register file: %d\n", errno); @@ -186,7 +186,7 @@ namespace JSC { #elif HAVE(VIRTUALALLOC) m_buffer = static_cast<Register*>(VirtualAlloc(0, roundUpAllocationSize(bufferLength, commitSize), MEM_RESERVE, PAGE_READWRITE)); if (!m_buffer) { -#if PLATFORM(WINCE) +#if OS(WINCE) fprintf(stderr, "Could not allocate register file: %d\n", GetLastError()); #else fprintf(stderr, "Could not allocate register file: %d\n", errno); @@ -196,7 +196,7 @@ namespace JSC { size_t committedSize = roundUpAllocationSize(maxGlobals * sizeof(Register), commitSize); void* commitCheck = VirtualAlloc(m_buffer, committedSize, MEM_COMMIT, PAGE_READWRITE); if (commitCheck != m_buffer) { -#if PLATFORM(WINCE) +#if OS(WINCE) fprintf(stderr, "Could not allocate register file: %d\n", GetLastError()); #else fprintf(stderr, "Could not allocate register file: %d\n", errno); @@ -242,7 +242,7 @@ namespace JSC { if (newEnd > m_commitEnd) { size_t size = roundUpAllocationSize(reinterpret_cast<char*>(newEnd) - reinterpret_cast<char*>(m_commitEnd), commitSize); if (!VirtualAlloc(m_commitEnd, size, MEM_COMMIT, PAGE_READWRITE)) { -#if PLATFORM(WINCE) +#if OS(WINCE) fprintf(stderr, "Could not allocate register file: %d\n", GetLastError()); #else fprintf(stderr, "Could not allocate register file: %d\n", errno); |