diff options
Diffstat (limited to 'src/3rdparty/webkit/JavaScriptCore/bytecode')
9 files changed, 282 insertions, 288 deletions
diff --git a/src/3rdparty/webkit/JavaScriptCore/bytecode/CodeBlock.cpp b/src/3rdparty/webkit/JavaScriptCore/bytecode/CodeBlock.cpp index 0cb381331..c9159341d 100644 --- a/src/3rdparty/webkit/JavaScriptCore/bytecode/CodeBlock.cpp +++ b/src/3rdparty/webkit/JavaScriptCore/bytecode/CodeBlock.cpp @@ -33,6 +33,8 @@ #include "JIT.h" #include "JSValue.h" #include "Interpreter.h" +#include "JSFunction.h" +#include "JSStaticScopeObject.h" #include "Debugger.h" #include "BytecodeGenerator.h" #include <stdio.h> @@ -57,6 +59,9 @@ static UString escapeQuotes(const UString& str) static UString valueToSourceString(ExecState* exec, JSValue val) { + if (!val) + return "0"; + if (val.isString()) { UString result("\""); result += escapeQuotes(val.toString(exec)) + "\""; @@ -130,11 +135,6 @@ NEVER_INLINE static const char* debugHookName(int debugHookID) return ""; } -static int locationForOffset(const Vector<Instruction>::const_iterator& begin, Vector<Instruction>::const_iterator& it, int offset) -{ - return it - begin + offset; -} - static void printUnaryOp(int location, Vector<Instruction>::const_iterator& it, const char* op) { int r0 = (++it)->u.operand; @@ -151,11 +151,11 @@ static void printBinaryOp(int location, Vector<Instruction>::const_iterator& it, printf("[%4d] %s\t\t %s, %s, %s\n", location, op, registerName(r0).c_str(), registerName(r1).c_str(), registerName(r2).c_str()); } -static void printConditionalJump(const Vector<Instruction>::const_iterator& begin, Vector<Instruction>::const_iterator& it, int location, const char* op) +static void printConditionalJump(const Vector<Instruction>::const_iterator&, Vector<Instruction>::const_iterator& it, int location, const char* op) { int r0 = (++it)->u.operand; int offset = (++it)->u.operand; - printf("[%4d] %s\t\t %s, %d(->%d)\n", location, op, registerName(r0).c_str(), offset, locationForOffset(begin, it, offset)); + printf("[%4d] %s\t\t %s, %d(->%d)\n", location, op, registerName(r0).c_str(), offset, location + offset); } static void printGetByIdOp(int location, Vector<Instruction>::const_iterator& it, const Vector<Identifier>& m_identifiers, const char* op) @@ -227,44 +227,44 @@ static void printGlobalResolveInfo(const GlobalResolveInfo& resolveInfo, unsigne static void printStructureStubInfo(const StructureStubInfo& stubInfo, unsigned instructionOffset) { - switch (stubInfo.opcodeID) { - case op_get_by_id_self: + switch (stubInfo.accessType) { + case access_get_by_id_self: printf(" [%4d] %s: %s\n", instructionOffset, "get_by_id_self", pointerToSourceString(stubInfo.u.getByIdSelf.baseObjectStructure).UTF8String().c_str()); return; - case op_get_by_id_proto: + case access_get_by_id_proto: printf(" [%4d] %s: %s, %s\n", instructionOffset, "get_by_id_proto", pointerToSourceString(stubInfo.u.getByIdProto.baseObjectStructure).UTF8String().c_str(), pointerToSourceString(stubInfo.u.getByIdProto.prototypeStructure).UTF8String().c_str()); return; - case op_get_by_id_chain: + case access_get_by_id_chain: printf(" [%4d] %s: %s, %s\n", instructionOffset, "get_by_id_chain", pointerToSourceString(stubInfo.u.getByIdChain.baseObjectStructure).UTF8String().c_str(), pointerToSourceString(stubInfo.u.getByIdChain.chain).UTF8String().c_str()); return; - case op_get_by_id_self_list: + case access_get_by_id_self_list: printf(" [%4d] %s: %s (%d)\n", instructionOffset, "op_get_by_id_self_list", pointerToSourceString(stubInfo.u.getByIdSelfList.structureList).UTF8String().c_str(), stubInfo.u.getByIdSelfList.listSize); return; - case op_get_by_id_proto_list: + case access_get_by_id_proto_list: printf(" [%4d] %s: %s (%d)\n", instructionOffset, "op_get_by_id_proto_list", pointerToSourceString(stubInfo.u.getByIdProtoList.structureList).UTF8String().c_str(), stubInfo.u.getByIdProtoList.listSize); return; - case op_put_by_id_transition: + case access_put_by_id_transition: printf(" [%4d] %s: %s, %s, %s\n", instructionOffset, "put_by_id_transition", pointerToSourceString(stubInfo.u.putByIdTransition.previousStructure).UTF8String().c_str(), pointerToSourceString(stubInfo.u.putByIdTransition.structure).UTF8String().c_str(), pointerToSourceString(stubInfo.u.putByIdTransition.chain).UTF8String().c_str()); return; - case op_put_by_id_replace: + case access_put_by_id_replace: printf(" [%4d] %s: %s\n", instructionOffset, "put_by_id_replace", pointerToSourceString(stubInfo.u.putByIdReplace.baseObjectStructure).UTF8String().c_str()); return; - case op_get_by_id: + case access_get_by_id: printf(" [%4d] %s\n", instructionOffset, "get_by_id"); return; - case op_put_by_id: + case access_put_by_id: printf(" [%4d] %s\n", instructionOffset, "put_by_id"); return; - case op_get_by_id_generic: + case access_get_by_id_generic: printf(" [%4d] %s\n", instructionOffset, "op_get_by_id_generic"); return; - case op_put_by_id_generic: + case access_put_by_id_generic: printf(" [%4d] %s\n", instructionOffset, "op_put_by_id_generic"); return; - case op_get_array_length: + case access_get_array_length: printf(" [%4d] %s\n", instructionOffset, "op_get_array_length"); return; - case op_get_string_length: + case access_get_string_length: printf(" [%4d] %s\n", instructionOffset, "op_get_string_length"); return; default: @@ -595,6 +595,7 @@ void CodeBlock::dump(ExecState* exec, const Vector<Instruction>::const_iterator& } case op_div: { printBinaryOp(location, it, "div"); + ++it; break; } case op_mod: { @@ -739,13 +740,6 @@ void CodeBlock::dump(ExecState* exec, const Vector<Instruction>::const_iterator& printf("[%4d] resolve_with_base %s, %s, %s\n", location, registerName(r0).c_str(), registerName(r1).c_str(), idName(id0, m_identifiers[id0]).c_str()); break; } - case op_resolve_func: { - int r0 = (++it)->u.operand; - int r1 = (++it)->u.operand; - int id0 = (++it)->u.operand; - printf("[%4d] resolve_func\t %s, %s, %s\n", location, registerName(r0).c_str(), registerName(r1).c_str(), idName(id0, m_identifiers[id0]).c_str()); - break; - } case op_get_by_id: { printGetByIdOp(location, it, m_identifiers, "get_by_id"); break; @@ -830,6 +824,16 @@ void CodeBlock::dump(ExecState* exec, const Vector<Instruction>::const_iterator& printf("[%4d] get_by_val\t %s, %s, %s\n", location, registerName(r0).c_str(), registerName(r1).c_str(), registerName(r2).c_str()); break; } + case op_get_by_pname: { + int r0 = (++it)->u.operand; + int r1 = (++it)->u.operand; + int r2 = (++it)->u.operand; + int r3 = (++it)->u.operand; + int r4 = (++it)->u.operand; + int r5 = (++it)->u.operand; + printf("[%4d] get_by_pname\t %s, %s, %s, %s, %s, %s\n", location, registerName(r0).c_str(), registerName(r1).c_str(), registerName(r2).c_str(), registerName(r3).c_str(), registerName(r4).c_str(), registerName(r5).c_str()); + break; + } case op_put_by_val: { int r0 = (++it)->u.operand; int r1 = (++it)->u.operand; @@ -853,12 +857,12 @@ void CodeBlock::dump(ExecState* exec, const Vector<Instruction>::const_iterator& } case op_jmp: { int offset = (++it)->u.operand; - printf("[%4d] jmp\t\t %d(->%d)\n", location, offset, locationForOffset(begin, it, offset)); + printf("[%4d] jmp\t\t %d(->%d)\n", location, offset, location + offset); break; } case op_loop: { int offset = (++it)->u.operand; - printf("[%4d] loop\t\t %d(->%d)\n", location, offset, locationForOffset(begin, it, offset)); + printf("[%4d] loop\t\t %d(->%d)\n", location, offset, location + offset); break; } case op_jtrue: { @@ -885,56 +889,56 @@ void CodeBlock::dump(ExecState* exec, const Vector<Instruction>::const_iterator& int r0 = (++it)->u.operand; int r1 = (++it)->u.operand; int offset = (++it)->u.operand; - printf("[%4d] jneq_ptr\t\t %s, %s, %d(->%d)\n", location, registerName(r0).c_str(), registerName(r1).c_str(), offset, locationForOffset(begin, it, offset)); + printf("[%4d] jneq_ptr\t\t %s, %s, %d(->%d)\n", location, registerName(r0).c_str(), registerName(r1).c_str(), offset, location + offset); break; } case op_jnless: { int r0 = (++it)->u.operand; int r1 = (++it)->u.operand; int offset = (++it)->u.operand; - printf("[%4d] jnless\t\t %s, %s, %d(->%d)\n", location, registerName(r0).c_str(), registerName(r1).c_str(), offset, locationForOffset(begin, it, offset)); + printf("[%4d] jnless\t\t %s, %s, %d(->%d)\n", location, registerName(r0).c_str(), registerName(r1).c_str(), offset, location + offset); break; } case op_jnlesseq: { int r0 = (++it)->u.operand; int r1 = (++it)->u.operand; int offset = (++it)->u.operand; - printf("[%4d] jnlesseq\t\t %s, %s, %d(->%d)\n", location, registerName(r0).c_str(), registerName(r1).c_str(), offset, locationForOffset(begin, it, offset)); + printf("[%4d] jnlesseq\t\t %s, %s, %d(->%d)\n", location, registerName(r0).c_str(), registerName(r1).c_str(), offset, location + offset); break; } case op_loop_if_less: { int r0 = (++it)->u.operand; int r1 = (++it)->u.operand; int offset = (++it)->u.operand; - printf("[%4d] loop_if_less\t %s, %s, %d(->%d)\n", location, registerName(r0).c_str(), registerName(r1).c_str(), offset, locationForOffset(begin, it, offset)); + printf("[%4d] loop_if_less\t %s, %s, %d(->%d)\n", location, registerName(r0).c_str(), registerName(r1).c_str(), offset, location + offset); break; } case op_loop_if_lesseq: { int r0 = (++it)->u.operand; int r1 = (++it)->u.operand; int offset = (++it)->u.operand; - printf("[%4d] loop_if_lesseq\t %s, %s, %d(->%d)\n", location, registerName(r0).c_str(), registerName(r1).c_str(), offset, locationForOffset(begin, it, offset)); + printf("[%4d] loop_if_lesseq\t %s, %s, %d(->%d)\n", location, registerName(r0).c_str(), registerName(r1).c_str(), offset, location + offset); break; } case op_switch_imm: { int tableIndex = (++it)->u.operand; int defaultTarget = (++it)->u.operand; int scrutineeRegister = (++it)->u.operand; - printf("[%4d] switch_imm\t %d, %d(->%d), %s\n", location, tableIndex, defaultTarget, locationForOffset(begin, it, defaultTarget), registerName(scrutineeRegister).c_str()); + printf("[%4d] switch_imm\t %d, %d(->%d), %s\n", location, tableIndex, defaultTarget, location + defaultTarget, registerName(scrutineeRegister).c_str()); break; } case op_switch_char: { int tableIndex = (++it)->u.operand; int defaultTarget = (++it)->u.operand; int scrutineeRegister = (++it)->u.operand; - printf("[%4d] switch_char\t %d, %d(->%d), %s\n", location, tableIndex, defaultTarget, locationForOffset(begin, it, defaultTarget), registerName(scrutineeRegister).c_str()); + printf("[%4d] switch_char\t %d, %d(->%d), %s\n", location, tableIndex, defaultTarget, location + defaultTarget, registerName(scrutineeRegister).c_str()); break; } case op_switch_string: { int tableIndex = (++it)->u.operand; int defaultTarget = (++it)->u.operand; int scrutineeRegister = (++it)->u.operand; - printf("[%4d] switch_string\t %d, %d(->%d), %s\n", location, tableIndex, defaultTarget, locationForOffset(begin, it, defaultTarget), registerName(scrutineeRegister).c_str()); + printf("[%4d] switch_string\t %d, %d(->%d), %s\n", location, tableIndex, defaultTarget, location + defaultTarget, registerName(scrutineeRegister).c_str()); break; } case op_new_func: { @@ -1021,16 +1025,21 @@ void CodeBlock::dump(ExecState* exec, const Vector<Instruction>::const_iterator& break; } case op_get_pnames: { - int r0 = (++it)->u.operand; - int r1 = (++it)->u.operand; - printf("[%4d] get_pnames\t %s, %s\n", location, registerName(r0).c_str(), registerName(r1).c_str()); + int r0 = it[1].u.operand; + int r1 = it[2].u.operand; + int r2 = it[3].u.operand; + int r3 = it[4].u.operand; + int offset = it[5].u.operand; + printf("[%4d] get_pnames\t %s, %s, %s, %s, %d(->%d)\n", location, registerName(r0).c_str(), registerName(r1).c_str(), registerName(r2).c_str(), registerName(r3).c_str(), offset, location + offset); + it += OPCODE_LENGTH(op_get_pnames) - 1; break; } case op_next_pname: { - int dest = (++it)->u.operand; - int iter = (++it)->u.operand; - int offset = (++it)->u.operand; - printf("[%4d] next_pname\t %s, %s, %d(->%d)\n", location, registerName(dest).c_str(), registerName(iter).c_str(), offset, locationForOffset(begin, it, offset)); + int dest = it[1].u.operand; + int iter = it[4].u.operand; + int offset = it[5].u.operand; + printf("[%4d] next_pname\t %s, %s, %d(->%d)\n", location, registerName(dest).c_str(), registerName(iter).c_str(), offset, location + offset); + it += OPCODE_LENGTH(op_next_pname) - 1; break; } case op_push_scope: { @@ -1052,7 +1061,7 @@ void CodeBlock::dump(ExecState* exec, const Vector<Instruction>::const_iterator& case op_jmp_scopes: { int scopeDelta = (++it)->u.operand; int offset = (++it)->u.operand; - printf("[%4d] jmp_scopes\t^%d, %d(->%d)\n", location, scopeDelta, offset, locationForOffset(begin, it, offset)); + printf("[%4d] jmp_scopes\t^%d, %d(->%d)\n", location, scopeDelta, offset, location + offset); break; } case op_catch: { @@ -1075,7 +1084,7 @@ void CodeBlock::dump(ExecState* exec, const Vector<Instruction>::const_iterator& case op_jsr: { int retAddrDst = (++it)->u.operand; int offset = (++it)->u.operand; - printf("[%4d] jsr\t\t %s, %d(->%d)\n", location, registerName(retAddrDst).c_str(), offset, locationForOffset(begin, it, offset)); + printf("[%4d] jsr\t\t %s, %d(->%d)\n", location, registerName(retAddrDst).c_str(), offset, location + offset); break; } case op_sret: { @@ -1249,43 +1258,22 @@ void CodeBlock::dumpStatistics() #endif } -CodeBlock::CodeBlock(ScopeNode* ownerNode) +CodeBlock::CodeBlock(ScriptExecutable* ownerExecutable, CodeType codeType, PassRefPtr<SourceProvider> sourceProvider, unsigned sourceOffset, SymbolTable* symTab) : m_numCalleeRegisters(0) , m_numVars(0) , m_numParameters(0) - , m_ownerNode(ownerNode) + , m_ownerExecutable(ownerExecutable) , m_globalData(0) #ifndef NDEBUG , m_instructionCount(0) #endif - , m_needsFullScopeChain(false) - , m_usesEval(false) - , m_isNumericCompareFunction(false) - , m_codeType(NativeCode) - , m_source(0) - , m_sourceOffset(0) - , m_exceptionInfo(0) -{ -#if DUMP_CODE_BLOCK_STATISTICS - liveCodeBlockSet.add(this); -#endif -} - -CodeBlock::CodeBlock(ScopeNode* ownerNode, CodeType codeType, PassRefPtr<SourceProvider> sourceProvider, unsigned sourceOffset) - : m_numCalleeRegisters(0) - , m_numVars(0) - , m_numParameters(0) - , m_ownerNode(ownerNode) - , m_globalData(0) -#ifndef NDEBUG - , m_instructionCount(0) -#endif - , m_needsFullScopeChain(ownerNode->needsActivation()) - , m_usesEval(ownerNode->usesEval()) + , m_needsFullScopeChain(ownerExecutable->needsActivation()) + , m_usesEval(ownerExecutable->usesEval()) , m_isNumericCompareFunction(false) , m_codeType(codeType) , m_source(sourceProvider) , m_sourceOffset(sourceOffset) + , m_symbolTable(symTab) , m_exceptionInfo(new ExceptionInfo) { ASSERT(m_source); @@ -1322,20 +1310,23 @@ CodeBlock::~CodeBlock() if (Structure* structure = m_methodCallLinkInfos[i].cachedStructure) { structure->deref(); // Both members must be filled at the same time - ASSERT(m_methodCallLinkInfos[i].cachedPrototypeStructure); + ASSERT(!!m_methodCallLinkInfos[i].cachedPrototypeStructure); m_methodCallLinkInfos[i].cachedPrototypeStructure->deref(); } } +#if ENABLE(JIT_OPTIMIZE_CALL) unlinkCallers(); #endif +#endif // !ENABLE(JIT) + #if DUMP_CODE_BLOCK_STATISTICS liveCodeBlockSet.remove(this); #endif } -#if ENABLE(JIT) +#if ENABLE(JIT_OPTIMIZE_CALL) void CodeBlock::unlinkCallers() { size_t size = m_linkedCallerList.size(); @@ -1350,7 +1341,6 @@ void CodeBlock::unlinkCallers() void CodeBlock::derefStructures(Instruction* vPC) const { - ASSERT(m_codeType != NativeCode); Interpreter* interpreter = m_globalData->interpreter; if (vPC[0].u.opcode == interpreter->getOpcode(op_get_by_id_self)) { @@ -1396,7 +1386,6 @@ void CodeBlock::derefStructures(Instruction* vPC) const void CodeBlock::refStructures(Instruction* vPC) const { - ASSERT(m_codeType != NativeCode); Interpreter* interpreter = m_globalData->interpreter; if (vPC[0].u.opcode == interpreter->getOpcode(op_get_by_id_self)) { @@ -1428,26 +1417,18 @@ void CodeBlock::refStructures(Instruction* vPC) const ASSERT(vPC[0].u.opcode == interpreter->getOpcode(op_get_by_id) || vPC[0].u.opcode == interpreter->getOpcode(op_put_by_id) || vPC[0].u.opcode == interpreter->getOpcode(op_get_by_id_generic) || vPC[0].u.opcode == interpreter->getOpcode(op_put_by_id_generic)); } -void CodeBlock::mark() +void CodeBlock::markAggregate(MarkStack& markStack) { for (size_t i = 0; i < m_constantRegisters.size(); ++i) - if (!m_constantRegisters[i].marked()) - m_constantRegisters[i].mark(); - - for (size_t i = 0; i < m_functionExpressions.size(); ++i) - m_functionExpressions[i]->body()->mark(); - - if (m_rareData) { - for (size_t i = 0; i < m_rareData->m_functions.size(); ++i) - m_rareData->m_functions[i]->body()->mark(); - - m_rareData->m_evalCodeCache.mark(); - } + markStack.append(m_constantRegisters[i].jsValue()); + for (size_t i = 0; i < m_functionExprs.size(); ++i) + m_functionExprs[i]->markAggregate(markStack); + for (size_t i = 0; i < m_functionDecls.size(); ++i) + m_functionDecls[i]->markAggregate(markStack); } void CodeBlock::reparseForExceptionInfoIfNecessary(CallFrame* callFrame) { - ASSERT(m_codeType != NativeCode); if (m_exceptionInfo) return; @@ -1464,61 +1445,11 @@ void CodeBlock::reparseForExceptionInfoIfNecessary(CallFrame* callFrame) scopeChain = scopeChain->next; } - switch (m_codeType) { - case FunctionCode: { - FunctionBodyNode* ownerFunctionBodyNode = static_cast<FunctionBodyNode*>(m_ownerNode); - RefPtr<FunctionBodyNode> newFunctionBody = m_globalData->parser->reparse<FunctionBodyNode>(m_globalData, ownerFunctionBodyNode); - ASSERT(newFunctionBody); - newFunctionBody->finishParsing(ownerFunctionBodyNode->copyParameters(), ownerFunctionBodyNode->parameterCount()); - - m_globalData->scopeNodeBeingReparsed = newFunctionBody.get(); - - CodeBlock& newCodeBlock = newFunctionBody->bytecodeForExceptionInfoReparse(scopeChain, this); - ASSERT(newCodeBlock.m_exceptionInfo); - ASSERT(newCodeBlock.m_instructionCount == m_instructionCount); - -#if ENABLE(JIT) - JIT::compile(m_globalData, &newCodeBlock); - ASSERT(newFunctionBody->generatedJITCode().size() == ownerNode()->generatedJITCode().size()); -#endif - - m_exceptionInfo.set(newCodeBlock.m_exceptionInfo.release()); - - m_globalData->scopeNodeBeingReparsed = 0; - - break; - } - case EvalCode: { - EvalNode* ownerEvalNode = static_cast<EvalNode*>(m_ownerNode); - RefPtr<EvalNode> newEvalBody = m_globalData->parser->reparse<EvalNode>(m_globalData, ownerEvalNode); - - m_globalData->scopeNodeBeingReparsed = newEvalBody.get(); - - EvalCodeBlock& newCodeBlock = newEvalBody->bytecodeForExceptionInfoReparse(scopeChain, this); - ASSERT(newCodeBlock.m_exceptionInfo); - ASSERT(newCodeBlock.m_instructionCount == m_instructionCount); - -#if ENABLE(JIT) - JIT::compile(m_globalData, &newCodeBlock); - ASSERT(newEvalBody->generatedJITCode().size() == ownerNode()->generatedJITCode().size()); -#endif - - m_exceptionInfo.set(newCodeBlock.m_exceptionInfo.release()); - - m_globalData->scopeNodeBeingReparsed = 0; - - break; - } - default: - // CodeBlocks for Global code blocks are transient and therefore to not gain from - // from throwing out there exception information. - ASSERT_NOT_REACHED(); - } + m_exceptionInfo.set(m_ownerExecutable->reparseExceptionInfo(m_globalData, scopeChain, this)); } HandlerInfo* CodeBlock::handlerForBytecodeOffset(unsigned bytecodeOffset) { - ASSERT(m_codeType != NativeCode); ASSERT(bytecodeOffset < m_instructionCount); if (!m_rareData) @@ -1537,14 +1468,13 @@ HandlerInfo* CodeBlock::handlerForBytecodeOffset(unsigned bytecodeOffset) int CodeBlock::lineNumberForBytecodeOffset(CallFrame* callFrame, unsigned bytecodeOffset) { - ASSERT(m_codeType != NativeCode); ASSERT(bytecodeOffset < m_instructionCount); reparseForExceptionInfoIfNecessary(callFrame); ASSERT(m_exceptionInfo); if (!m_exceptionInfo->m_lineInfo.size()) - return m_ownerNode->source().firstLine(); // Empty function + return m_ownerExecutable->source().firstLine(); // Empty function int low = 0; int high = m_exceptionInfo->m_lineInfo.size(); @@ -1557,13 +1487,12 @@ int CodeBlock::lineNumberForBytecodeOffset(CallFrame* callFrame, unsigned byteco } if (!low) - return m_ownerNode->source().firstLine(); + return m_ownerExecutable->source().firstLine(); return m_exceptionInfo->m_lineInfo[low - 1].lineNumber; } int CodeBlock::expressionRangeForBytecodeOffset(CallFrame* callFrame, unsigned bytecodeOffset, int& divot, int& startOffset, int& endOffset) { - ASSERT(m_codeType != NativeCode); ASSERT(bytecodeOffset < m_instructionCount); reparseForExceptionInfoIfNecessary(callFrame); @@ -1603,7 +1532,6 @@ int CodeBlock::expressionRangeForBytecodeOffset(CallFrame* callFrame, unsigned b bool CodeBlock::getByIdExceptionInfoForBytecodeOffset(CallFrame* callFrame, unsigned bytecodeOffset, OpcodeID& opcodeID) { - ASSERT(m_codeType != NativeCode); ASSERT(bytecodeOffset < m_instructionCount); reparseForExceptionInfoIfNecessary(callFrame); @@ -1632,7 +1560,6 @@ bool CodeBlock::getByIdExceptionInfoForBytecodeOffset(CallFrame* callFrame, unsi #if ENABLE(JIT) bool CodeBlock::functionRegisterForBytecodeOffset(unsigned bytecodeOffset, int& functionRegisterIndex) { - ASSERT(m_codeType != NativeCode); ASSERT(bytecodeOffset < m_instructionCount); if (!m_rareData || !m_rareData->m_functionRegisterInfos.size()) @@ -1659,7 +1586,6 @@ bool CodeBlock::functionRegisterForBytecodeOffset(unsigned bytecodeOffset, int& #if !ENABLE(JIT) bool CodeBlock::hasGlobalResolveInstructionAtBytecodeOffset(unsigned bytecodeOffset) { - ASSERT(m_codeType != NativeCode); if (m_globalResolveInstructions.isEmpty()) return false; @@ -1680,7 +1606,6 @@ bool CodeBlock::hasGlobalResolveInstructionAtBytecodeOffset(unsigned bytecodeOff #else bool CodeBlock::hasGlobalResolveInfoAtBytecodeOffset(unsigned bytecodeOffset) { - ASSERT(m_codeType != NativeCode); if (m_globalResolveInfos.isEmpty()) return false; @@ -1700,18 +1625,6 @@ bool CodeBlock::hasGlobalResolveInfoAtBytecodeOffset(unsigned bytecodeOffset) } #endif -#if ENABLE(JIT) -void CodeBlock::setJITCode(JITCode jitCode) -{ - ASSERT(m_codeType != NativeCode); - ownerNode()->setJITCode(jitCode); -#if !ENABLE(OPCODE_SAMPLING) - if (!BytecodeGenerator::dumpsGeneratedCode()) - m_instructions.clear(); -#endif -} -#endif - void CodeBlock::shrinkToFit() { m_instructions.shrinkToFit(); @@ -1727,7 +1640,8 @@ void CodeBlock::shrinkToFit() #endif m_identifiers.shrinkToFit(); - m_functionExpressions.shrinkToFit(); + m_functionDecls.shrinkToFit(); + m_functionExprs.shrinkToFit(); m_constantRegisters.shrinkToFit(); if (m_exceptionInfo) { @@ -1738,7 +1652,6 @@ void CodeBlock::shrinkToFit() if (m_rareData) { m_rareData->m_exceptionHandlers.shrinkToFit(); - m_rareData->m_functions.shrinkToFit(); m_rareData->m_regexps.shrinkToFit(); m_rareData->m_immediateSwitchJumpTables.shrinkToFit(); m_rareData->m_characterSwitchJumpTables.shrinkToFit(); diff --git a/src/3rdparty/webkit/JavaScriptCore/bytecode/CodeBlock.h b/src/3rdparty/webkit/JavaScriptCore/bytecode/CodeBlock.h index e9f2697ec..4ba58d77e 100644 --- a/src/3rdparty/webkit/JavaScriptCore/bytecode/CodeBlock.h +++ b/src/3rdparty/webkit/JavaScriptCore/bytecode/CodeBlock.h @@ -36,6 +36,7 @@ #include "JSGlobalObject.h" #include "JumpTable.h" #include "Nodes.h" +#include "PtrAndFlags.h" #include "RegExp.h" #include "UString.h" #include <wtf/FastAllocBase.h> @@ -54,9 +55,13 @@ static const int FirstConstantRegisterIndex = 0x40000000; namespace JSC { + enum HasSeenShouldRepatch { + hasSeenShouldRepatch + }; + class ExecState; - enum CodeType { GlobalCode, EvalCode, FunctionCode, NativeCode }; + enum CodeType { GlobalCode, EvalCode, FunctionCode }; static ALWAYS_INLINE int missingThisObjectMarker() { return std::numeric_limits<int>::max(); } @@ -105,25 +110,44 @@ namespace JSC { CodeLocationNearCall callReturnLocation; CodeLocationDataLabelPtr hotPathBegin; CodeLocationNearCall hotPathOther; - CodeBlock* ownerCodeBlock; + PtrAndFlags<CodeBlock, HasSeenShouldRepatch> ownerCodeBlock; CodeBlock* callee; unsigned position; void setUnlinked() { callee = 0; } bool isLinked() { return callee; } + + bool seenOnce() + { + return ownerCodeBlock.isFlagSet(hasSeenShouldRepatch); + } + + void setSeen() + { + ownerCodeBlock.setFlag(hasSeenShouldRepatch); + } }; struct MethodCallLinkInfo { MethodCallLinkInfo() : cachedStructure(0) - , cachedPrototypeStructure(0) { } + bool seenOnce() + { + return cachedPrototypeStructure.isFlagSet(hasSeenShouldRepatch); + } + + void setSeen() + { + cachedPrototypeStructure.setFlag(hasSeenShouldRepatch); + } + CodeLocationCall callReturnLocation; CodeLocationDataLabelPtr structureLabel; Structure* cachedStructure; - Structure* cachedPrototypeStructure; + PtrAndFlags<Structure, HasSeenShouldRepatch> cachedPrototypeStructure; }; struct FunctionRegisterInfo { @@ -224,17 +248,27 @@ namespace JSC { } #endif + struct ExceptionInfo : FastAllocBase { + Vector<ExpressionRangeInfo> m_expressionInfo; + Vector<LineInfo> m_lineInfo; + Vector<GetByIdExceptionInfo> m_getByIdExceptionInfo; + +#if ENABLE(JIT) + Vector<CallReturnOffsetToBytecodeIndex> m_callReturnIndexVector; +#endif + }; + class CodeBlock : public FastAllocBase { friend class JIT; + protected: + CodeBlock(ScriptExecutable* ownerExecutable, CodeType, PassRefPtr<SourceProvider>, unsigned sourceOffset, SymbolTable* symbolTable); public: - CodeBlock(ScopeNode* ownerNode); - CodeBlock(ScopeNode* ownerNode, CodeType, PassRefPtr<SourceProvider>, unsigned sourceOffset); - ~CodeBlock(); + virtual ~CodeBlock(); - void mark(); + void markAggregate(MarkStack&); void refStructures(Instruction* vPC) const; void derefStructures(Instruction* vPC) const; -#if ENABLE(JIT) +#if ENABLE(JIT_OPTIMIZE_CALL) void unlinkCallers(); #endif @@ -305,7 +339,7 @@ namespace JSC { unsigned getBytecodeIndex(CallFrame* callFrame, ReturnAddressPtr returnAddress) { reparseForExceptionInfoIfNecessary(callFrame); - return binaryChop<CallReturnOffsetToBytecodeIndex, unsigned, getCallReturnOffset>(m_exceptionInfo->m_callReturnIndexVector.begin(), m_exceptionInfo->m_callReturnIndexVector.size(), ownerNode()->generatedJITCode().offsetOf(returnAddress.value()))->bytecodeIndex; + return binaryChop<CallReturnOffsetToBytecodeIndex, unsigned, getCallReturnOffset>(callReturnIndexVector().begin(), callReturnIndexVector().size(), ownerExecutable()->generatedJITCode().offsetOf(returnAddress.value()))->bytecodeIndex; } bool functionRegisterForBytecodeOffset(unsigned bytecodeOffset, int& functionRegisterIndex); @@ -315,17 +349,19 @@ namespace JSC { bool isNumericCompareFunction() { return m_isNumericCompareFunction; } Vector<Instruction>& instructions() { return m_instructions; } + void discardBytecode() { m_instructions.clear(); } + #ifndef NDEBUG + unsigned instructionCount() { return m_instructionCount; } void setInstructionCount(unsigned instructionCount) { m_instructionCount = instructionCount; } #endif #if ENABLE(JIT) - JITCode& getJITCode() { return ownerNode()->generatedJITCode(); } - void setJITCode(JITCode); - ExecutablePool* executablePool() { return ownerNode()->getExecutablePool(); } + JITCode& getJITCode() { return ownerExecutable()->generatedJITCode(); } + ExecutablePool* executablePool() { return ownerExecutable()->getExecutablePool(); } #endif - ScopeNode* ownerNode() const { return m_ownerNode; } + ScriptExecutable* ownerExecutable() const { return m_ownerExecutable; } void setGlobalData(JSGlobalData* globalData) { m_globalData = globalData; } @@ -341,8 +377,8 @@ namespace JSC { CodeType codeType() const { return m_codeType; } - SourceProvider* source() const { ASSERT(m_codeType != NativeCode); return m_source.get(); } - unsigned sourceOffset() const { ASSERT(m_codeType != NativeCode); return m_sourceOffset; } + SourceProvider* source() const { return m_source.get(); } + unsigned sourceOffset() const { return m_sourceOffset; } size_t numberOfJumpTargets() const { return m_jumpTargets.size(); } void addJumpTarget(unsigned jumpTarget) { m_jumpTargets.append(jumpTarget); } @@ -380,6 +416,7 @@ namespace JSC { bool hasExceptionInfo() const { return m_exceptionInfo; } void clearExceptionInfo() { m_exceptionInfo.clear(); } + ExceptionInfo* extractExceptionInfo() { ASSERT(m_exceptionInfo); return m_exceptionInfo.release(); } void addExpressionInfo(const ExpressionRangeInfo& expressionInfo) { ASSERT(m_exceptionInfo); m_exceptionInfo->m_expressionInfo.append(expressionInfo); } void addGetByIdExceptionInfo(const GetByIdExceptionInfo& info) { ASSERT(m_exceptionInfo); m_exceptionInfo->m_getByIdExceptionInfo.append(info); } @@ -404,13 +441,11 @@ namespace JSC { ALWAYS_INLINE bool isConstantRegisterIndex(int index) { return index >= FirstConstantRegisterIndex; } ALWAYS_INLINE JSValue getConstant(int index) const { return m_constantRegisters[index - FirstConstantRegisterIndex].jsValue(); } - unsigned addFunctionExpression(FuncExprNode* n) { unsigned size = m_functionExpressions.size(); m_functionExpressions.append(n); return size; } - FuncExprNode* functionExpression(int index) const { return m_functionExpressions[index].get(); } - - unsigned addFunction(FuncDeclNode* n) { createRareDataIfNecessary(); unsigned size = m_rareData->m_functions.size(); m_rareData->m_functions.append(n); return size; } - FuncDeclNode* function(int index) const { ASSERT(m_rareData); return m_rareData->m_functions[index].get(); } - - bool hasFunctions() const { return m_functionExpressions.size() || (m_rareData && m_rareData->m_functions.size()); } + unsigned addFunctionDecl(NonNullPassRefPtr<FunctionExecutable> n) { unsigned size = m_functionDecls.size(); m_functionDecls.append(n); return size; } + FunctionExecutable* functionDecl(int index) { return m_functionDecls[index].get(); } + int numberOfFunctionDecls() { return m_functionDecls.size(); } + unsigned addFunctionExpr(NonNullPassRefPtr<FunctionExecutable> n) { unsigned size = m_functionExprs.size(); m_functionExprs.append(n); return size; } + FunctionExecutable* functionExpr(int index) { return m_functionExprs[index].get(); } unsigned addRegExp(RegExp* r) { createRareDataIfNecessary(); unsigned size = m_rareData->m_regexps.size(); m_rareData->m_regexps.append(r); return size; } RegExp* regexp(int index) const { ASSERT(m_rareData); return m_rareData->m_regexps[index].get(); } @@ -431,9 +466,10 @@ namespace JSC { StringJumpTable& stringSwitchJumpTable(int tableIndex) { ASSERT(m_rareData); return m_rareData->m_stringSwitchJumpTables[tableIndex]; } - SymbolTable& symbolTable() { return m_symbolTable; } + SymbolTable* symbolTable() { return m_symbolTable; } + SharedSymbolTable* sharedSymbolTable() { ASSERT(m_codeType == FunctionCode); return static_cast<SharedSymbolTable*>(m_symbolTable); } - EvalCodeCache& evalCodeCache() { ASSERT(m_codeType != NativeCode); createRareDataIfNecessary(); return m_rareData->m_evalCodeCache; } + EvalCodeCache& evalCodeCache() { createRareDataIfNecessary(); return m_rareData->m_evalCodeCache; } void shrinkToFit(); @@ -452,12 +488,11 @@ namespace JSC { void createRareDataIfNecessary() { - ASSERT(m_codeType != NativeCode); if (!m_rareData) m_rareData.set(new RareData); } - ScopeNode* m_ownerNode; + ScriptExecutable* m_ownerExecutable; JSGlobalData* m_globalData; Vector<Instruction> m_instructions; @@ -493,26 +528,17 @@ namespace JSC { // Constant Pool Vector<Identifier> m_identifiers; Vector<Register> m_constantRegisters; - Vector<RefPtr<FuncExprNode> > m_functionExpressions; - - SymbolTable m_symbolTable; + Vector<RefPtr<FunctionExecutable> > m_functionDecls; + Vector<RefPtr<FunctionExecutable> > m_functionExprs; - struct ExceptionInfo : FastAllocBase { - Vector<ExpressionRangeInfo> m_expressionInfo; - Vector<LineInfo> m_lineInfo; - Vector<GetByIdExceptionInfo> m_getByIdExceptionInfo; + SymbolTable* m_symbolTable; -#if ENABLE(JIT) - Vector<CallReturnOffsetToBytecodeIndex> m_callReturnIndexVector; -#endif - }; OwnPtr<ExceptionInfo> m_exceptionInfo; struct RareData : FastAllocBase { Vector<HandlerInfo> m_exceptionHandlers; // Rare Constants - Vector<RefPtr<FuncDeclNode> > m_functions; Vector<RefPtr<RegExp> > m_regexps; // Jump Tables @@ -532,16 +558,16 @@ namespace JSC { // Program code is not marked by any function, so we make the global object // responsible for marking it. - class ProgramCodeBlock : public CodeBlock { + class GlobalCodeBlock : public CodeBlock { public: - ProgramCodeBlock(ScopeNode* ownerNode, CodeType codeType, JSGlobalObject* globalObject, PassRefPtr<SourceProvider> sourceProvider) - : CodeBlock(ownerNode, codeType, sourceProvider, 0) + GlobalCodeBlock(ScriptExecutable* ownerExecutable, CodeType codeType, PassRefPtr<SourceProvider> sourceProvider, unsigned sourceOffset, JSGlobalObject* globalObject) + : CodeBlock(ownerExecutable, codeType, sourceProvider, sourceOffset, &m_unsharedSymbolTable) , m_globalObject(globalObject) { m_globalObject->codeBlocks().add(this); } - ~ProgramCodeBlock() + ~GlobalCodeBlock() { if (m_globalObject) m_globalObject->codeBlocks().remove(this); @@ -551,20 +577,54 @@ namespace JSC { private: JSGlobalObject* m_globalObject; // For program and eval nodes, the global object that marks the constant pool. + SymbolTable m_unsharedSymbolTable; + }; + + class ProgramCodeBlock : public GlobalCodeBlock { + public: + ProgramCodeBlock(ProgramExecutable* ownerExecutable, CodeType codeType, JSGlobalObject* globalObject, PassRefPtr<SourceProvider> sourceProvider) + : GlobalCodeBlock(ownerExecutable, codeType, sourceProvider, 0, globalObject) + { + } }; - class EvalCodeBlock : public ProgramCodeBlock { + class EvalCodeBlock : public GlobalCodeBlock { public: - EvalCodeBlock(ScopeNode* ownerNode, JSGlobalObject* globalObject, PassRefPtr<SourceProvider> sourceProvider, int baseScopeDepth) - : ProgramCodeBlock(ownerNode, EvalCode, globalObject, sourceProvider) + EvalCodeBlock(EvalExecutable* ownerExecutable, JSGlobalObject* globalObject, PassRefPtr<SourceProvider> sourceProvider, int baseScopeDepth) + : GlobalCodeBlock(ownerExecutable, EvalCode, sourceProvider, 0, globalObject) , m_baseScopeDepth(baseScopeDepth) { } int baseScopeDepth() const { return m_baseScopeDepth; } + const Identifier& variable(unsigned index) { return m_variables[index]; } + unsigned numVariables() { return m_variables.size(); } + void adoptVariables(Vector<Identifier>& variables) + { + ASSERT(m_variables.isEmpty()); + m_variables.swap(variables); + } + private: int m_baseScopeDepth; + Vector<Identifier> m_variables; + }; + + class FunctionCodeBlock : public CodeBlock { + public: + // Rather than using the usual RefCounted::create idiom for SharedSymbolTable we just use new + // as we need to initialise the CodeBlock before we could initialise any RefPtr to hold the shared + // symbol table, so we just pass as a raw pointer with a ref count of 1. We then manually deref + // in the destructor. + FunctionCodeBlock(FunctionExecutable* ownerExecutable, CodeType codeType, PassRefPtr<SourceProvider> sourceProvider, unsigned sourceOffset) + : CodeBlock(ownerExecutable, codeType, sourceProvider, sourceOffset, new SharedSymbolTable) + { + } + ~FunctionCodeBlock() + { + sharedSymbolTable()->deref(); + } }; inline Register& ExecState::r(int index) diff --git a/src/3rdparty/webkit/JavaScriptCore/bytecode/EvalCodeCache.h b/src/3rdparty/webkit/JavaScriptCore/bytecode/EvalCodeCache.h index f0ce73e95..05834fcbf 100644 --- a/src/3rdparty/webkit/JavaScriptCore/bytecode/EvalCodeCache.h +++ b/src/3rdparty/webkit/JavaScriptCore/bytecode/EvalCodeCache.h @@ -29,6 +29,7 @@ #ifndef EvalCodeCache_h #define EvalCodeCache_h +#include "Executable.h" #include "JSGlobalObject.h" #include "Nodes.h" #include "Parser.h" @@ -41,44 +42,33 @@ namespace JSC { class EvalCodeCache { public: - PassRefPtr<EvalNode> get(ExecState* exec, const UString& evalSource, ScopeChainNode* scopeChain, JSValue& exceptionValue) + PassRefPtr<EvalExecutable> get(ExecState* exec, const UString& evalSource, ScopeChainNode* scopeChain, JSValue& exceptionValue) { - RefPtr<EvalNode> evalNode; + RefPtr<EvalExecutable> evalExecutable; if (evalSource.size() < maxCacheableSourceLength && (*scopeChain->begin())->isVariableObject()) - evalNode = m_cacheMap.get(evalSource.rep()); + evalExecutable = m_cacheMap.get(evalSource.rep()); - if (!evalNode) { - int errorLine; - UString errorMessage; - - SourceCode source = makeSource(evalSource); - evalNode = exec->globalData().parser->parse<EvalNode>(exec, exec->dynamicGlobalObject()->debugger(), source, &errorLine, &errorMessage); - if (evalNode) { - if (evalSource.size() < maxCacheableSourceLength && (*scopeChain->begin())->isVariableObject() && m_cacheMap.size() < maxCacheEntries) - m_cacheMap.set(evalSource.rep(), evalNode); - } else { - exceptionValue = Error::create(exec, SyntaxError, errorMessage, errorLine, source.provider()->asID(), 0); + if (!evalExecutable) { + evalExecutable = EvalExecutable::create(exec, makeSource(evalSource)); + exceptionValue = evalExecutable->compile(exec, scopeChain); + if (exceptionValue) return 0; - } + + if (evalSource.size() < maxCacheableSourceLength && (*scopeChain->begin())->isVariableObject() && m_cacheMap.size() < maxCacheEntries) + m_cacheMap.set(evalSource.rep(), evalExecutable); } - return evalNode.release(); + return evalExecutable.release(); } bool isEmpty() const { return m_cacheMap.isEmpty(); } - void mark() - { - EvalCacheMap::iterator end = m_cacheMap.end(); - for (EvalCacheMap::iterator ptr = m_cacheMap.begin(); ptr != end; ++ptr) - ptr->second->mark(); - } private: static const int maxCacheableSourceLength = 256; static const int maxCacheEntries = 64; - typedef HashMap<RefPtr<UString::Rep>, RefPtr<EvalNode> > EvalCacheMap; + typedef HashMap<RefPtr<UString::Rep>, RefPtr<EvalExecutable> > EvalCacheMap; EvalCacheMap m_cacheMap; }; diff --git a/src/3rdparty/webkit/JavaScriptCore/bytecode/Instruction.h b/src/3rdparty/webkit/JavaScriptCore/bytecode/Instruction.h index eeeac6f4c..bcef7fb19 100644 --- a/src/3rdparty/webkit/JavaScriptCore/bytecode/Instruction.h +++ b/src/3rdparty/webkit/JavaScriptCore/bytecode/Instruction.h @@ -53,7 +53,7 @@ namespace JSC { class StructureChain; // Structure used by op_get_by_id_self_list and op_get_by_id_proto_list instruction to hold data off the main opcode stream. - struct PolymorphicAccessStructureList { + struct PolymorphicAccessStructureList : FastAllocBase { struct PolymorphicStubInfo { bool isChain; PolymorphicAccessStructureListStubRoutineType stubRoutine; diff --git a/src/3rdparty/webkit/JavaScriptCore/bytecode/Opcode.h b/src/3rdparty/webkit/JavaScriptCore/bytecode/Opcode.h index 2d1ca981b..4facbef5b 100644 --- a/src/3rdparty/webkit/JavaScriptCore/bytecode/Opcode.h +++ b/src/3rdparty/webkit/JavaScriptCore/bytecode/Opcode.h @@ -67,7 +67,7 @@ namespace JSC { macro(op_negate, 3) \ macro(op_add, 5) \ macro(op_mul, 5) \ - macro(op_div, 4) \ + macro(op_div, 5) \ macro(op_mod, 4) \ macro(op_sub, 5) \ \ @@ -98,7 +98,6 @@ namespace JSC { macro(op_put_global_var, 4) \ macro(op_resolve_base, 3) \ macro(op_resolve_with_base, 4) \ - macro(op_resolve_func, 4) \ macro(op_get_by_id, 8) \ macro(op_get_by_id_self, 8) \ macro(op_get_by_id_self_list, 8) \ @@ -114,6 +113,7 @@ namespace JSC { macro(op_put_by_id_generic, 8) \ macro(op_del_by_id, 4) \ macro(op_get_by_val, 4) \ + macro(op_get_by_pname, 7) \ macro(op_put_by_val, 4) \ macro(op_del_by_val, 4) \ macro(op_put_by_index, 4) \ @@ -153,8 +153,8 @@ namespace JSC { macro(op_strcat, 4) \ macro(op_to_primitive, 3) \ \ - macro(op_get_pnames, 3) \ - macro(op_next_pname, 4) \ + macro(op_get_pnames, 6) \ + macro(op_next_pname, 7) \ \ macro(op_push_scope, 2) \ macro(op_pop_scope, 1) \ diff --git a/src/3rdparty/webkit/JavaScriptCore/bytecode/SamplingTool.cpp b/src/3rdparty/webkit/JavaScriptCore/bytecode/SamplingTool.cpp index 86517233a..865c91933 100644 --- a/src/3rdparty/webkit/JavaScriptCore/bytecode/SamplingTool.cpp +++ b/src/3rdparty/webkit/JavaScriptCore/bytecode/SamplingTool.cpp @@ -157,7 +157,7 @@ void SamplingThread::stop() } -void ScopeSampleRecord::sample(CodeBlock* codeBlock, Instruction* vPC) +void ScriptSampleRecord::sample(CodeBlock* codeBlock, Instruction* vPC) { if (!m_samples) { m_size = codeBlock->instructions().size(); @@ -196,8 +196,8 @@ void SamplingTool::doRun() #if ENABLE(CODEBLOCK_SAMPLING) if (CodeBlock* codeBlock = sample.codeBlock()) { - MutexLocker locker(m_scopeSampleMapMutex); - ScopeSampleRecord* record = m_scopeSampleMap->get(codeBlock->ownerNode()); + MutexLocker locker(m_scriptSampleMapMutex); + ScriptSampleRecord* record = m_scopeSampleMap->get(codeBlock->ownerExecutable()); ASSERT(record); record->sample(codeBlock, sample.vPC()); } @@ -209,13 +209,13 @@ void SamplingTool::sample() s_samplingTool->doRun(); } -void SamplingTool::notifyOfScope(ScopeNode* scope) +void SamplingTool::notifyOfScope(ScriptExecutable* script) { #if ENABLE(CODEBLOCK_SAMPLING) - MutexLocker locker(m_scopeSampleMapMutex); - m_scopeSampleMap->set(scope, new ScopeSampleRecord(scope)); + MutexLocker locker(m_scriptSampleMapMutex); + m_scopeSampleMap->set(script, new ScriptSampleRecord(script)); #else - UNUSED_PARAM(scope); + UNUSED_PARAM(script); #endif } @@ -254,10 +254,10 @@ static int compareLineCountInfoSampling(const void* left, const void* right) return (leftLineCount->line > rightLineCount->line) ? 1 : (leftLineCount->line < rightLineCount->line) ? -1 : 0; } -static int compareScopeSampleRecords(const void* left, const void* right) +static int compareScriptSampleRecords(const void* left, const void* right) { - const ScopeSampleRecord* const leftValue = *static_cast<const ScopeSampleRecord* const *>(left); - const ScopeSampleRecord* const rightValue = *static_cast<const ScopeSampleRecord* const *>(right); + const ScriptSampleRecord* const leftValue = *static_cast<const ScriptSampleRecord* const *>(left); + const ScriptSampleRecord* const rightValue = *static_cast<const ScriptSampleRecord* const *>(right); return (leftValue->m_sampleCount < rightValue->m_sampleCount) ? 1 : (leftValue->m_sampleCount > rightValue->m_sampleCount) ? -1 : 0; } @@ -318,26 +318,26 @@ void SamplingTool::dump(ExecState* exec) // (3) Build and sort 'codeBlockSamples' array. int scopeCount = m_scopeSampleMap->size(); - Vector<ScopeSampleRecord*> codeBlockSamples(scopeCount); - ScopeSampleRecordMap::iterator iter = m_scopeSampleMap->begin(); + Vector<ScriptSampleRecord*> codeBlockSamples(scopeCount); + ScriptSampleRecordMap::iterator iter = m_scopeSampleMap->begin(); for (int i = 0; i < scopeCount; ++i, ++iter) codeBlockSamples[i] = iter->second; - qsort(codeBlockSamples.begin(), scopeCount, sizeof(ScopeSampleRecord*), compareScopeSampleRecords); + qsort(codeBlockSamples.begin(), scopeCount, sizeof(ScriptSampleRecord*), compareScriptSampleRecords); // (4) Print data from 'codeBlockSamples' array. printf("\nCodeBlock samples\n\n"); for (int i = 0; i < scopeCount; ++i) { - ScopeSampleRecord* record = codeBlockSamples[i]; + ScriptSampleRecord* record = codeBlockSamples[i]; CodeBlock* codeBlock = record->m_codeBlock; double blockPercent = (record->m_sampleCount * 100.0) / m_sampleCount; if (blockPercent >= 1) { //Instruction* code = codeBlock->instructions().begin(); - printf("#%d: %s:%d: %d / %lld (%.3f%%)\n", i + 1, record->m_scope->sourceURL().UTF8String().c_str(), codeBlock->lineNumberForBytecodeOffset(exec, 0), record->m_sampleCount, m_sampleCount, blockPercent); + printf("#%d: %s:%d: %d / %lld (%.3f%%)\n", i + 1, record->m_executable->sourceURL().UTF8String().c_str(), codeBlock->lineNumberForBytecodeOffset(exec, 0), record->m_sampleCount, m_sampleCount, blockPercent); if (i < 10) { HashMap<unsigned,unsigned> lineCounts; codeBlock->dump(exec); diff --git a/src/3rdparty/webkit/JavaScriptCore/bytecode/SamplingTool.h b/src/3rdparty/webkit/JavaScriptCore/bytecode/SamplingTool.h index fa95603a0..8e3ed9e5e 100644 --- a/src/3rdparty/webkit/JavaScriptCore/bytecode/SamplingTool.h +++ b/src/3rdparty/webkit/JavaScriptCore/bytecode/SamplingTool.h @@ -38,6 +38,8 @@ namespace JSC { + class ScriptExecutable; + class SamplingFlags { friend class JIT; public: @@ -92,9 +94,9 @@ namespace JSC { class ScopeNode; struct Instruction; - struct ScopeSampleRecord { - ScopeSampleRecord(ScopeNode* scope) - : m_scope(scope) + struct ScriptSampleRecord { + ScriptSampleRecord(ScriptExecutable* executable) + : m_executable(executable) , m_codeBlock(0) , m_sampleCount(0) , m_opcodeSampleCount(0) @@ -103,7 +105,7 @@ namespace JSC { { } - ~ScopeSampleRecord() + ~ScriptSampleRecord() { if (m_samples) free(m_samples); @@ -111,7 +113,7 @@ namespace JSC { void sample(CodeBlock*, Instruction*); - RefPtr<ScopeNode> m_scope; + RefPtr<ScriptExecutable> m_executable; CodeBlock* m_codeBlock; int m_sampleCount; int m_opcodeSampleCount; @@ -119,7 +121,7 @@ namespace JSC { unsigned m_size; }; - typedef WTF::HashMap<ScopeNode*, ScopeSampleRecord*> ScopeSampleRecordMap; + typedef WTF::HashMap<ScriptExecutable*, ScriptSampleRecord*> ScriptSampleRecordMap; class SamplingThread { public: @@ -136,7 +138,7 @@ namespace JSC { class SamplingTool { public: - friend class CallRecord; + friend struct CallRecord; friend class HostCallRecord; #if ENABLE(OPCODE_SAMPLING) @@ -193,7 +195,7 @@ namespace JSC { , m_sampleCount(0) , m_opcodeSampleCount(0) #if ENABLE(CODEBLOCK_SAMPLING) - , m_scopeSampleMap(new ScopeSampleRecordMap()) + , m_scopeSampleMap(new ScriptSampleRecordMap()) #endif { memset(m_opcodeSamples, 0, sizeof(m_opcodeSamples)); @@ -210,7 +212,7 @@ namespace JSC { void setup(); void dump(ExecState*); - void notifyOfScope(ScopeNode* scope); + void notifyOfScope(ScriptExecutable* scope); void sample(CodeBlock* codeBlock, Instruction* vPC) { @@ -266,8 +268,8 @@ namespace JSC { unsigned m_opcodeSamplesInCTIFunctions[numOpcodeIDs]; #if ENABLE(CODEBLOCK_SAMPLING) - Mutex m_scopeSampleMapMutex; - OwnPtr<ScopeSampleRecordMap> m_scopeSampleMap; + Mutex m_scriptSampleMapMutex; + OwnPtr<ScriptSampleRecordMap> m_scopeSampleMap; #endif }; diff --git a/src/3rdparty/webkit/JavaScriptCore/bytecode/StructureStubInfo.cpp b/src/3rdparty/webkit/JavaScriptCore/bytecode/StructureStubInfo.cpp index bf3fdc465..018d83289 100644 --- a/src/3rdparty/webkit/JavaScriptCore/bytecode/StructureStubInfo.cpp +++ b/src/3rdparty/webkit/JavaScriptCore/bytecode/StructureStubInfo.cpp @@ -31,44 +31,44 @@ namespace JSC { #if ENABLE(JIT) void StructureStubInfo::deref() { - switch (opcodeID) { - case op_get_by_id_self: + switch (accessType) { + case access_get_by_id_self: u.getByIdSelf.baseObjectStructure->deref(); return; - case op_get_by_id_proto: + case access_get_by_id_proto: u.getByIdProto.baseObjectStructure->deref(); u.getByIdProto.prototypeStructure->deref(); return; - case op_get_by_id_chain: + case access_get_by_id_chain: u.getByIdChain.baseObjectStructure->deref(); u.getByIdChain.chain->deref(); return; - case op_get_by_id_self_list: { + case access_get_by_id_self_list: { PolymorphicAccessStructureList* polymorphicStructures = u.getByIdSelfList.structureList; polymorphicStructures->derefStructures(u.getByIdSelfList.listSize); delete polymorphicStructures; return; } - case op_get_by_id_proto_list: { + case access_get_by_id_proto_list: { PolymorphicAccessStructureList* polymorphicStructures = u.getByIdProtoList.structureList; polymorphicStructures->derefStructures(u.getByIdProtoList.listSize); delete polymorphicStructures; return; } - case op_put_by_id_transition: + case access_put_by_id_transition: u.putByIdTransition.previousStructure->deref(); u.putByIdTransition.structure->deref(); u.putByIdTransition.chain->deref(); return; - case op_put_by_id_replace: + case access_put_by_id_replace: u.putByIdReplace.baseObjectStructure->deref(); return; - case op_get_by_id: - case op_put_by_id: - case op_get_by_id_generic: - case op_put_by_id_generic: - case op_get_array_length: - case op_get_string_length: + case access_get_by_id: + case access_put_by_id: + case access_get_by_id_generic: + case access_put_by_id_generic: + case access_get_array_length: + case access_get_string_length: // These instructions don't ref their Structures. return; default: diff --git a/src/3rdparty/webkit/JavaScriptCore/bytecode/StructureStubInfo.h b/src/3rdparty/webkit/JavaScriptCore/bytecode/StructureStubInfo.h index 95dd2664a..8e2c489aa 100644 --- a/src/3rdparty/webkit/JavaScriptCore/bytecode/StructureStubInfo.h +++ b/src/3rdparty/webkit/JavaScriptCore/bytecode/StructureStubInfo.h @@ -35,15 +35,32 @@ namespace JSC { + enum AccessType { + access_get_by_id_self, + access_get_by_id_proto, + access_get_by_id_chain, + access_get_by_id_self_list, + access_get_by_id_proto_list, + access_put_by_id_transition, + access_put_by_id_replace, + access_get_by_id, + access_put_by_id, + access_get_by_id_generic, + access_put_by_id_generic, + access_get_array_length, + access_get_string_length, + }; + struct StructureStubInfo { - StructureStubInfo(OpcodeID opcodeID) - : opcodeID(opcodeID) + StructureStubInfo(AccessType accessType) + : accessType(accessType) + , seen(false) { } void initGetByIdSelf(Structure* baseObjectStructure) { - opcodeID = op_get_by_id_self; + accessType = access_get_by_id_self; u.getByIdSelf.baseObjectStructure = baseObjectStructure; baseObjectStructure->ref(); @@ -51,7 +68,7 @@ namespace JSC { void initGetByIdProto(Structure* baseObjectStructure, Structure* prototypeStructure) { - opcodeID = op_get_by_id_proto; + accessType = access_get_by_id_proto; u.getByIdProto.baseObjectStructure = baseObjectStructure; baseObjectStructure->ref(); @@ -62,7 +79,7 @@ namespace JSC { void initGetByIdChain(Structure* baseObjectStructure, StructureChain* chain) { - opcodeID = op_get_by_id_chain; + accessType = access_get_by_id_chain; u.getByIdChain.baseObjectStructure = baseObjectStructure; baseObjectStructure->ref(); @@ -73,7 +90,7 @@ namespace JSC { void initGetByIdSelfList(PolymorphicAccessStructureList* structureList, int listSize) { - opcodeID = op_get_by_id_self_list; + accessType = access_get_by_id_self_list; u.getByIdProtoList.structureList = structureList; u.getByIdProtoList.listSize = listSize; @@ -81,7 +98,7 @@ namespace JSC { void initGetByIdProtoList(PolymorphicAccessStructureList* structureList, int listSize) { - opcodeID = op_get_by_id_proto_list; + accessType = access_get_by_id_proto_list; u.getByIdProtoList.structureList = structureList; u.getByIdProtoList.listSize = listSize; @@ -91,7 +108,7 @@ namespace JSC { void initPutByIdTransition(Structure* previousStructure, Structure* structure, StructureChain* chain) { - opcodeID = op_put_by_id_transition; + accessType = access_put_by_id_transition; u.putByIdTransition.previousStructure = previousStructure; previousStructure->ref(); @@ -105,7 +122,7 @@ namespace JSC { void initPutByIdReplace(Structure* baseObjectStructure) { - opcodeID = op_put_by_id_replace; + accessType = access_put_by_id_replace; u.putByIdReplace.baseObjectStructure = baseObjectStructure; baseObjectStructure->ref(); @@ -113,7 +130,19 @@ namespace JSC { void deref(); - OpcodeID opcodeID; + bool seenOnce() + { + return seen; + } + + void setSeen() + { + seen = true; + } + + int accessType : 31; + int seen : 1; + union { struct { Structure* baseObjectStructure; |