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CodeBlock.cpp
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4048 lines (3622 loc) · 156 KB
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/*
* Copyright (C) 2008-2010, 2012-2015 Apple Inc. All rights reserved.
* Copyright (C) 2008 Cameron Zwarich <cwzwarich@uwaterloo.ca>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "CodeBlock.h"
#include "BasicBlockLocation.h"
#include "BytecodeGenerator.h"
#include "BytecodeUseDef.h"
#include "CallLinkStatus.h"
#include "DFGCapabilities.h"
#include "DFGCommon.h"
#include "DFGDriver.h"
#include "DFGJITCode.h"
#include "DFGWorklist.h"
#include "Debugger.h"
#include "FunctionExecutableDump.h"
#include "GetPutInfo.h"
#include "InlineCallFrame.h"
#include "Interpreter.h"
#include "JIT.h"
#include "JITStubs.h"
#include "JSCJSValue.h"
#include "JSFunction.h"
#include "JSLexicalEnvironment.h"
#include "JSModuleEnvironment.h"
#include "LLIntEntrypoint.h"
#include "LowLevelInterpreter.h"
#include "JSCInlines.h"
#include "PolymorphicAccess.h"
#include "ProfilerDatabase.h"
#include "ReduceWhitespace.h"
#include "Repatch.h"
#include "SlotVisitorInlines.h"
#include "StackVisitor.h"
#include "TypeLocationCache.h"
#include "TypeProfiler.h"
#include "UnlinkedInstructionStream.h"
#include <wtf/BagToHashMap.h>
#include <wtf/CommaPrinter.h>
#include <wtf/StringExtras.h>
#include <wtf/StringPrintStream.h>
#include <wtf/text/UniquedStringImpl.h>
#if ENABLE(JIT)
#include "RegisterAtOffsetList.h"
#endif
#if ENABLE(DFG_JIT)
#include "DFGOperations.h"
#endif
#if ENABLE(FTL_JIT)
#include "FTLJITCode.h"
#endif
namespace JSC {
CString CodeBlock::inferredName() const
{
switch (codeType()) {
case GlobalCode:
return "<global>";
case EvalCode:
return "<eval>";
case FunctionCode:
return jsCast<FunctionExecutable*>(ownerExecutable())->inferredName().utf8();
case ModuleCode:
return "<module>";
default:
CRASH();
return CString("", 0);
}
}
bool CodeBlock::hasHash() const
{
return !!m_hash;
}
bool CodeBlock::isSafeToComputeHash() const
{
return !isCompilationThread();
}
CodeBlockHash CodeBlock::hash() const
{
if (!m_hash) {
RELEASE_ASSERT(isSafeToComputeHash());
m_hash = CodeBlockHash(ownerScriptExecutable()->source(), specializationKind());
}
return m_hash;
}
CString CodeBlock::sourceCodeForTools() const
{
if (codeType() != FunctionCode)
return ownerScriptExecutable()->source().toUTF8();
SourceProvider* provider = source();
FunctionExecutable* executable = jsCast<FunctionExecutable*>(ownerExecutable());
UnlinkedFunctionExecutable* unlinked = executable->unlinkedExecutable();
unsigned unlinkedStartOffset = unlinked->startOffset();
unsigned linkedStartOffset = executable->source().startOffset();
int delta = linkedStartOffset - unlinkedStartOffset;
unsigned rangeStart = delta + unlinked->unlinkedFunctionNameStart();
unsigned rangeEnd = delta + unlinked->startOffset() + unlinked->sourceLength();
return toCString(
"function ",
provider->source().impl()->utf8ForRange(rangeStart, rangeEnd - rangeStart));
}
CString CodeBlock::sourceCodeOnOneLine() const
{
return reduceWhitespace(sourceCodeForTools());
}
CString CodeBlock::hashAsStringIfPossible() const
{
if (hasHash() || isSafeToComputeHash())
return toCString(hash());
return "<no-hash>";
}
void CodeBlock::dumpAssumingJITType(PrintStream& out, JITCode::JITType jitType) const
{
out.print(inferredName(), "#", hashAsStringIfPossible());
out.print(":[", RawPointer(this), "->");
if (!!m_alternative)
out.print(RawPointer(m_alternative.get()), "->");
out.print(RawPointer(ownerExecutable()), ", ", jitType, codeType());
if (codeType() == FunctionCode)
out.print(specializationKind());
out.print(", ", instructionCount());
if (this->jitType() == JITCode::BaselineJIT && m_shouldAlwaysBeInlined)
out.print(" (ShouldAlwaysBeInlined)");
if (ownerScriptExecutable()->neverInline())
out.print(" (NeverInline)");
if (ownerScriptExecutable()->neverOptimize())
out.print(" (NeverOptimize)");
if (ownerScriptExecutable()->didTryToEnterInLoop())
out.print(" (DidTryToEnterInLoop)");
if (ownerScriptExecutable()->isStrictMode())
out.print(" (StrictMode)");
if (this->jitType() == JITCode::BaselineJIT && m_didFailFTLCompilation)
out.print(" (FTLFail)");
if (this->jitType() == JITCode::BaselineJIT && m_hasBeenCompiledWithFTL)
out.print(" (HadFTLReplacement)");
out.print("]");
}
void CodeBlock::dump(PrintStream& out) const
{
dumpAssumingJITType(out, jitType());
}
static CString idName(int id0, const Identifier& ident)
{
return toCString(ident.impl(), "(@id", id0, ")");
}
CString CodeBlock::registerName(int r) const
{
if (isConstantRegisterIndex(r))
return constantName(r);
return toCString(VirtualRegister(r));
}
CString CodeBlock::constantName(int index) const
{
JSValue value = getConstant(index);
return toCString(value, "(", VirtualRegister(index), ")");
}
static CString regexpToSourceString(RegExp* regExp)
{
char postfix[5] = { '/', 0, 0, 0, 0 };
int index = 1;
if (regExp->global())
postfix[index++] = 'g';
if (regExp->ignoreCase())
postfix[index++] = 'i';
if (regExp->multiline())
postfix[index] = 'm';
return toCString("/", regExp->pattern().impl(), postfix);
}
static CString regexpName(int re, RegExp* regexp)
{
return toCString(regexpToSourceString(regexp), "(@re", re, ")");
}
NEVER_INLINE static const char* debugHookName(int debugHookID)
{
switch (static_cast<DebugHookID>(debugHookID)) {
case DidEnterCallFrame:
return "didEnterCallFrame";
case WillLeaveCallFrame:
return "willLeaveCallFrame";
case WillExecuteStatement:
return "willExecuteStatement";
case WillExecuteProgram:
return "willExecuteProgram";
case DidExecuteProgram:
return "didExecuteProgram";
case DidReachBreakpoint:
return "didReachBreakpoint";
}
RELEASE_ASSERT_NOT_REACHED();
return "";
}
void CodeBlock::printUnaryOp(PrintStream& out, ExecState* exec, int location, const Instruction*& it, const char* op)
{
int r0 = (++it)->u.operand;
int r1 = (++it)->u.operand;
printLocationAndOp(out, exec, location, it, op);
out.printf("%s, %s", registerName(r0).data(), registerName(r1).data());
}
void CodeBlock::printBinaryOp(PrintStream& out, ExecState* exec, int location, const Instruction*& it, const char* op)
{
int r0 = (++it)->u.operand;
int r1 = (++it)->u.operand;
int r2 = (++it)->u.operand;
printLocationAndOp(out, exec, location, it, op);
out.printf("%s, %s, %s", registerName(r0).data(), registerName(r1).data(), registerName(r2).data());
}
void CodeBlock::printConditionalJump(PrintStream& out, ExecState* exec, const Instruction*, const Instruction*& it, int location, const char* op)
{
int r0 = (++it)->u.operand;
int offset = (++it)->u.operand;
printLocationAndOp(out, exec, location, it, op);
out.printf("%s, %d(->%d)", registerName(r0).data(), offset, location + offset);
}
void CodeBlock::printGetByIdOp(PrintStream& out, ExecState* exec, int location, const Instruction*& it)
{
const char* op;
switch (exec->interpreter()->getOpcodeID(it->u.opcode)) {
case op_get_by_id:
op = "get_by_id";
break;
case op_get_array_length:
op = "array_length";
break;
default:
RELEASE_ASSERT_NOT_REACHED();
#if COMPILER_QUIRK(CONSIDERS_UNREACHABLE_CODE)
op = 0;
#endif
}
int r0 = (++it)->u.operand;
int r1 = (++it)->u.operand;
int id0 = (++it)->u.operand;
printLocationAndOp(out, exec, location, it, op);
out.printf("%s, %s, %s", registerName(r0).data(), registerName(r1).data(), idName(id0, identifier(id0)).data());
it += 4; // Increment up to the value profiler.
}
static void dumpStructure(PrintStream& out, const char* name, Structure* structure, const Identifier& ident)
{
if (!structure)
return;
out.printf("%s = %p", name, structure);
PropertyOffset offset = structure->getConcurrently(ident.impl());
if (offset != invalidOffset)
out.printf(" (offset = %d)", offset);
}
static void dumpChain(PrintStream& out, StructureChain* chain, const Identifier& ident)
{
out.printf("chain = %p: [", chain);
bool first = true;
for (WriteBarrier<Structure>* currentStructure = chain->head();
*currentStructure;
++currentStructure) {
if (first)
first = false;
else
out.printf(", ");
dumpStructure(out, "struct", currentStructure->get(), ident);
}
out.printf("]");
}
void CodeBlock::printGetByIdCacheStatus(PrintStream& out, ExecState* exec, int location, const StubInfoMap& map)
{
Instruction* instruction = instructions().begin() + location;
const Identifier& ident = identifier(instruction[3].u.operand);
UNUSED_PARAM(ident); // tell the compiler to shut up in certain platform configurations.
if (exec->interpreter()->getOpcodeID(instruction[0].u.opcode) == op_get_array_length)
out.printf(" llint(array_length)");
else if (StructureID structureID = instruction[4].u.structureID) {
Structure* structure = m_vm->heap.structureIDTable().get(structureID);
out.printf(" llint(");
dumpStructure(out, "struct", structure, ident);
out.printf(")");
}
#if ENABLE(JIT)
if (StructureStubInfo* stubPtr = map.get(CodeOrigin(location))) {
StructureStubInfo& stubInfo = *stubPtr;
if (stubInfo.resetByGC)
out.print(" (Reset By GC)");
if (stubInfo.seen) {
out.printf(" jit(");
Structure* baseStructure = nullptr;
PolymorphicAccess* stub = nullptr;
switch (stubInfo.cacheType) {
case CacheType::GetByIdSelf:
out.printf("self");
baseStructure = stubInfo.u.byIdSelf.baseObjectStructure.get();
break;
case CacheType::Stub:
out.printf("stub");
stub = stubInfo.u.stub;
break;
case CacheType::Unset:
out.printf("unset");
break;
default:
RELEASE_ASSERT_NOT_REACHED();
break;
}
if (baseStructure) {
out.printf(", ");
dumpStructure(out, "struct", baseStructure, ident);
}
if (stub)
out.print(", ", *stub);
out.printf(")");
}
}
#else
UNUSED_PARAM(map);
#endif
}
void CodeBlock::printPutByIdCacheStatus(PrintStream& out, int location, const StubInfoMap& map)
{
Instruction* instruction = instructions().begin() + location;
const Identifier& ident = identifier(instruction[2].u.operand);
UNUSED_PARAM(ident); // tell the compiler to shut up in certain platform configurations.
out.print(", ", instruction[8].u.putByIdFlags);
if (StructureID structureID = instruction[4].u.structureID) {
Structure* structure = m_vm->heap.structureIDTable().get(structureID);
out.print(" llint(");
if (StructureID newStructureID = instruction[6].u.structureID) {
Structure* newStructure = m_vm->heap.structureIDTable().get(newStructureID);
dumpStructure(out, "prev", structure, ident);
out.print(", ");
dumpStructure(out, "next", newStructure, ident);
if (StructureChain* chain = instruction[7].u.structureChain.get()) {
out.print(", ");
dumpChain(out, chain, ident);
}
} else
dumpStructure(out, "struct", structure, ident);
out.print(")");
}
#if ENABLE(JIT)
if (StructureStubInfo* stubPtr = map.get(CodeOrigin(location))) {
StructureStubInfo& stubInfo = *stubPtr;
if (stubInfo.resetByGC)
out.print(" (Reset By GC)");
if (stubInfo.seen) {
out.printf(" jit(");
switch (stubInfo.cacheType) {
case CacheType::PutByIdReplace:
out.print("replace, ");
dumpStructure(out, "struct", stubInfo.u.byIdSelf.baseObjectStructure.get(), ident);
break;
case CacheType::Stub: {
out.print("stub, ", *stubInfo.u.stub);
break;
}
case CacheType::Unset:
out.printf("unset");
break;
default:
RELEASE_ASSERT_NOT_REACHED();
break;
}
out.printf(")");
}
}
#else
UNUSED_PARAM(map);
#endif
}
void CodeBlock::printCallOp(PrintStream& out, ExecState* exec, int location, const Instruction*& it, const char* op, CacheDumpMode cacheDumpMode, bool& hasPrintedProfiling, const CallLinkInfoMap& map)
{
int dst = (++it)->u.operand;
int func = (++it)->u.operand;
int argCount = (++it)->u.operand;
int registerOffset = (++it)->u.operand;
printLocationAndOp(out, exec, location, it, op);
out.printf("%s, %s, %d, %d", registerName(dst).data(), registerName(func).data(), argCount, registerOffset);
if (cacheDumpMode == DumpCaches) {
LLIntCallLinkInfo* callLinkInfo = it[1].u.callLinkInfo;
if (callLinkInfo->lastSeenCallee) {
out.printf(
" llint(%p, exec %p)",
callLinkInfo->lastSeenCallee.get(),
callLinkInfo->lastSeenCallee->executable());
}
#if ENABLE(JIT)
if (CallLinkInfo* info = map.get(CodeOrigin(location))) {
JSFunction* target = info->lastSeenCallee();
if (target)
out.printf(" jit(%p, exec %p)", target, target->executable());
}
if (jitType() != JITCode::FTLJIT)
out.print(" status(", CallLinkStatus::computeFor(this, location, map), ")");
#else
UNUSED_PARAM(map);
#endif
}
++it;
++it;
dumpArrayProfiling(out, it, hasPrintedProfiling);
dumpValueProfiling(out, it, hasPrintedProfiling);
}
void CodeBlock::printPutByIdOp(PrintStream& out, ExecState* exec, int location, const Instruction*& it, const char* op)
{
int r0 = (++it)->u.operand;
int id0 = (++it)->u.operand;
int r1 = (++it)->u.operand;
printLocationAndOp(out, exec, location, it, op);
out.printf("%s, %s, %s", registerName(r0).data(), idName(id0, identifier(id0)).data(), registerName(r1).data());
it += 5;
}
void CodeBlock::dumpSource()
{
dumpSource(WTF::dataFile());
}
void CodeBlock::dumpSource(PrintStream& out)
{
ScriptExecutable* executable = ownerScriptExecutable();
if (executable->isFunctionExecutable()) {
FunctionExecutable* functionExecutable = reinterpret_cast<FunctionExecutable*>(executable);
String source = functionExecutable->source().provider()->getRange(
functionExecutable->parametersStartOffset(),
functionExecutable->typeProfilingEndOffset() + 1); // Type profiling end offset is the character before the '}'.
out.print("function ", inferredName(), source);
return;
}
out.print(executable->source().toString());
}
void CodeBlock::dumpBytecode()
{
dumpBytecode(WTF::dataFile());
}
void CodeBlock::dumpBytecode(PrintStream& out)
{
// We only use the ExecState* for things that don't actually lead to JS execution,
// like converting a JSString to a String. Hence the globalExec is appropriate.
ExecState* exec = m_globalObject->globalExec();
size_t instructionCount = 0;
for (size_t i = 0; i < instructions().size(); i += opcodeLengths[exec->interpreter()->getOpcodeID(instructions()[i].u.opcode)])
++instructionCount;
out.print(*this);
out.printf(
": %lu m_instructions; %lu bytes; %d parameter(s); %d callee register(s); %d variable(s)",
static_cast<unsigned long>(instructions().size()),
static_cast<unsigned long>(instructions().size() * sizeof(Instruction)),
m_numParameters, m_numCalleeRegisters, m_numVars);
if (needsActivation() && codeType() == FunctionCode)
out.printf("; lexical environment in r%d", activationRegister().offset());
out.printf("\n");
StubInfoMap stubInfos;
CallLinkInfoMap callLinkInfos;
getStubInfoMap(stubInfos);
getCallLinkInfoMap(callLinkInfos);
const Instruction* begin = instructions().begin();
const Instruction* end = instructions().end();
for (const Instruction* it = begin; it != end; ++it)
dumpBytecode(out, exec, begin, it, stubInfos, callLinkInfos);
if (numberOfIdentifiers()) {
out.printf("\nIdentifiers:\n");
size_t i = 0;
do {
out.printf(" id%u = %s\n", static_cast<unsigned>(i), identifier(i).string().utf8().data());
++i;
} while (i != numberOfIdentifiers());
}
if (!m_constantRegisters.isEmpty()) {
out.printf("\nConstants:\n");
size_t i = 0;
do {
const char* sourceCodeRepresentationDescription = nullptr;
switch (m_constantsSourceCodeRepresentation[i]) {
case SourceCodeRepresentation::Double:
sourceCodeRepresentationDescription = ": in source as double";
break;
case SourceCodeRepresentation::Integer:
sourceCodeRepresentationDescription = ": in source as integer";
break;
case SourceCodeRepresentation::Other:
sourceCodeRepresentationDescription = "";
break;
}
out.printf(" k%u = %s%s\n", static_cast<unsigned>(i), toCString(m_constantRegisters[i].get()).data(), sourceCodeRepresentationDescription);
++i;
} while (i < m_constantRegisters.size());
}
if (size_t count = m_unlinkedCode->numberOfRegExps()) {
out.printf("\nm_regexps:\n");
size_t i = 0;
do {
out.printf(" re%u = %s\n", static_cast<unsigned>(i), regexpToSourceString(m_unlinkedCode->regexp(i)).data());
++i;
} while (i < count);
}
if (m_rareData && !m_rareData->m_exceptionHandlers.isEmpty()) {
out.printf("\nException Handlers:\n");
unsigned i = 0;
do {
HandlerInfo& handler = m_rareData->m_exceptionHandlers[i];
out.printf("\t %d: { start: [%4d] end: [%4d] target: [%4d] } %s\n",
i + 1, handler.start, handler.end, handler.target, handler.typeName());
++i;
} while (i < m_rareData->m_exceptionHandlers.size());
}
if (m_rareData && !m_rareData->m_switchJumpTables.isEmpty()) {
out.printf("Switch Jump Tables:\n");
unsigned i = 0;
do {
out.printf(" %1d = {\n", i);
int entry = 0;
Vector<int32_t>::const_iterator end = m_rareData->m_switchJumpTables[i].branchOffsets.end();
for (Vector<int32_t>::const_iterator iter = m_rareData->m_switchJumpTables[i].branchOffsets.begin(); iter != end; ++iter, ++entry) {
if (!*iter)
continue;
out.printf("\t\t%4d => %04d\n", entry + m_rareData->m_switchJumpTables[i].min, *iter);
}
out.printf(" }\n");
++i;
} while (i < m_rareData->m_switchJumpTables.size());
}
if (m_rareData && !m_rareData->m_stringSwitchJumpTables.isEmpty()) {
out.printf("\nString Switch Jump Tables:\n");
unsigned i = 0;
do {
out.printf(" %1d = {\n", i);
StringJumpTable::StringOffsetTable::const_iterator end = m_rareData->m_stringSwitchJumpTables[i].offsetTable.end();
for (StringJumpTable::StringOffsetTable::const_iterator iter = m_rareData->m_stringSwitchJumpTables[i].offsetTable.begin(); iter != end; ++iter)
out.printf("\t\t\"%s\" => %04d\n", iter->key->utf8().data(), iter->value.branchOffset);
out.printf(" }\n");
++i;
} while (i < m_rareData->m_stringSwitchJumpTables.size());
}
out.printf("\n");
}
void CodeBlock::beginDumpProfiling(PrintStream& out, bool& hasPrintedProfiling)
{
if (hasPrintedProfiling) {
out.print("; ");
return;
}
out.print(" ");
hasPrintedProfiling = true;
}
void CodeBlock::dumpValueProfiling(PrintStream& out, const Instruction*& it, bool& hasPrintedProfiling)
{
ConcurrentJITLocker locker(m_lock);
++it;
CString description = it->u.profile->briefDescription(locker);
if (!description.length())
return;
beginDumpProfiling(out, hasPrintedProfiling);
out.print(description);
}
void CodeBlock::dumpArrayProfiling(PrintStream& out, const Instruction*& it, bool& hasPrintedProfiling)
{
ConcurrentJITLocker locker(m_lock);
++it;
if (!it->u.arrayProfile)
return;
CString description = it->u.arrayProfile->briefDescription(locker, this);
if (!description.length())
return;
beginDumpProfiling(out, hasPrintedProfiling);
out.print(description);
}
void CodeBlock::dumpRareCaseProfile(PrintStream& out, const char* name, RareCaseProfile* profile, bool& hasPrintedProfiling)
{
if (!profile || !profile->m_counter)
return;
beginDumpProfiling(out, hasPrintedProfiling);
out.print(name, profile->m_counter);
}
void CodeBlock::printLocationAndOp(PrintStream& out, ExecState*, int location, const Instruction*&, const char* op)
{
out.printf("[%4d] %-17s ", location, op);
}
void CodeBlock::printLocationOpAndRegisterOperand(PrintStream& out, ExecState* exec, int location, const Instruction*& it, const char* op, int operand)
{
printLocationAndOp(out, exec, location, it, op);
out.printf("%s", registerName(operand).data());
}
void CodeBlock::dumpBytecode(
PrintStream& out, ExecState* exec, const Instruction* begin, const Instruction*& it,
const StubInfoMap& stubInfos, const CallLinkInfoMap& callLinkInfos)
{
int location = it - begin;
bool hasPrintedProfiling = false;
OpcodeID opcode = exec->interpreter()->getOpcodeID(it->u.opcode);
switch (opcode) {
case op_enter: {
printLocationAndOp(out, exec, location, it, "enter");
break;
}
case op_get_scope: {
int r0 = (++it)->u.operand;
printLocationOpAndRegisterOperand(out, exec, location, it, "get_scope", r0);
break;
}
case op_load_arrowfunction_this: {
int r0 = (++it)->u.operand;
printLocationOpAndRegisterOperand(out, exec, location, it, "load_arrowfunction_this", r0);
break;
}
case op_create_direct_arguments: {
int r0 = (++it)->u.operand;
printLocationAndOp(out, exec, location, it, "create_direct_arguments");
out.printf("%s", registerName(r0).data());
break;
}
case op_create_scoped_arguments: {
int r0 = (++it)->u.operand;
int r1 = (++it)->u.operand;
printLocationAndOp(out, exec, location, it, "create_scoped_arguments");
out.printf("%s, %s", registerName(r0).data(), registerName(r1).data());
break;
}
case op_create_out_of_band_arguments: {
int r0 = (++it)->u.operand;
printLocationAndOp(out, exec, location, it, "create_out_of_band_arguments");
out.printf("%s", registerName(r0).data());
break;
}
case op_create_this: {
int r0 = (++it)->u.operand;
int r1 = (++it)->u.operand;
unsigned inferredInlineCapacity = (++it)->u.operand;
unsigned cachedFunction = (++it)->u.operand;
printLocationAndOp(out, exec, location, it, "create_this");
out.printf("%s, %s, %u, %u", registerName(r0).data(), registerName(r1).data(), inferredInlineCapacity, cachedFunction);
break;
}
case op_to_this: {
int r0 = (++it)->u.operand;
printLocationOpAndRegisterOperand(out, exec, location, it, "to_this", r0);
Structure* structure = (++it)->u.structure.get();
if (structure)
out.print(", cache(struct = ", RawPointer(structure), ")");
out.print(", ", (++it)->u.toThisStatus);
break;
}
case op_check_tdz: {
int r0 = (++it)->u.operand;
printLocationOpAndRegisterOperand(out, exec, location, it, "op_check_tdz", r0);
break;
}
case op_new_object: {
int r0 = (++it)->u.operand;
unsigned inferredInlineCapacity = (++it)->u.operand;
printLocationAndOp(out, exec, location, it, "new_object");
out.printf("%s, %u", registerName(r0).data(), inferredInlineCapacity);
++it; // Skip object allocation profile.
break;
}
case op_new_array: {
int dst = (++it)->u.operand;
int argv = (++it)->u.operand;
int argc = (++it)->u.operand;
printLocationAndOp(out, exec, location, it, "new_array");
out.printf("%s, %s, %d", registerName(dst).data(), registerName(argv).data(), argc);
++it; // Skip array allocation profile.
break;
}
case op_new_array_with_size: {
int dst = (++it)->u.operand;
int length = (++it)->u.operand;
printLocationAndOp(out, exec, location, it, "new_array_with_size");
out.printf("%s, %s", registerName(dst).data(), registerName(length).data());
++it; // Skip array allocation profile.
break;
}
case op_new_array_buffer: {
int dst = (++it)->u.operand;
int argv = (++it)->u.operand;
int argc = (++it)->u.operand;
printLocationAndOp(out, exec, location, it, "new_array_buffer");
out.printf("%s, %d, %d", registerName(dst).data(), argv, argc);
++it; // Skip array allocation profile.
break;
}
case op_new_regexp: {
int r0 = (++it)->u.operand;
int re0 = (++it)->u.operand;
printLocationAndOp(out, exec, location, it, "new_regexp");
out.printf("%s, ", registerName(r0).data());
if (r0 >=0 && r0 < (int)m_unlinkedCode->numberOfRegExps())
out.printf("%s", regexpName(re0, regexp(re0)).data());
else
out.printf("bad_regexp(%d)", re0);
break;
}
case op_mov: {
int r0 = (++it)->u.operand;
int r1 = (++it)->u.operand;
printLocationAndOp(out, exec, location, it, "mov");
out.printf("%s, %s", registerName(r0).data(), registerName(r1).data());
break;
}
case op_profile_type: {
int r0 = (++it)->u.operand;
++it;
++it;
++it;
++it;
printLocationAndOp(out, exec, location, it, "op_profile_type");
out.printf("%s", registerName(r0).data());
break;
}
case op_profile_control_flow: {
BasicBlockLocation* basicBlockLocation = (++it)->u.basicBlockLocation;
printLocationAndOp(out, exec, location, it, "profile_control_flow");
out.printf("[%d, %d]", basicBlockLocation->startOffset(), basicBlockLocation->endOffset());
break;
}
case op_not: {
printUnaryOp(out, exec, location, it, "not");
break;
}
case op_eq: {
printBinaryOp(out, exec, location, it, "eq");
break;
}
case op_eq_null: {
printUnaryOp(out, exec, location, it, "eq_null");
break;
}
case op_neq: {
printBinaryOp(out, exec, location, it, "neq");
break;
}
case op_neq_null: {
printUnaryOp(out, exec, location, it, "neq_null");
break;
}
case op_stricteq: {
printBinaryOp(out, exec, location, it, "stricteq");
break;
}
case op_nstricteq: {
printBinaryOp(out, exec, location, it, "nstricteq");
break;
}
case op_less: {
printBinaryOp(out, exec, location, it, "less");
break;
}
case op_lesseq: {
printBinaryOp(out, exec, location, it, "lesseq");
break;
}
case op_greater: {
printBinaryOp(out, exec, location, it, "greater");
break;
}
case op_greatereq: {
printBinaryOp(out, exec, location, it, "greatereq");
break;
}
case op_inc: {
int r0 = (++it)->u.operand;
printLocationOpAndRegisterOperand(out, exec, location, it, "inc", r0);
break;
}
case op_dec: {
int r0 = (++it)->u.operand;
printLocationOpAndRegisterOperand(out, exec, location, it, "dec", r0);
break;
}
case op_to_number: {
printUnaryOp(out, exec, location, it, "to_number");
break;
}
case op_to_string: {
printUnaryOp(out, exec, location, it, "to_string");
break;
}
case op_negate: {
printUnaryOp(out, exec, location, it, "negate");
break;
}
case op_add: {
printBinaryOp(out, exec, location, it, "add");
++it;
break;
}
case op_mul: {
printBinaryOp(out, exec, location, it, "mul");
++it;
break;
}
case op_div: {
printBinaryOp(out, exec, location, it, "div");
++it;
break;
}
case op_mod: {
printBinaryOp(out, exec, location, it, "mod");
break;
}
case op_sub: {
printBinaryOp(out, exec, location, it, "sub");
++it;
break;
}
case op_lshift: {
printBinaryOp(out, exec, location, it, "lshift");
break;
}
case op_rshift: {
printBinaryOp(out, exec, location, it, "rshift");
break;
}
case op_urshift: {
printBinaryOp(out, exec, location, it, "urshift");
break;
}
case op_bitand: {
printBinaryOp(out, exec, location, it, "bitand");
++it;
break;
}
case op_bitxor: {
printBinaryOp(out, exec, location, it, "bitxor");
++it;
break;
}
case op_bitor: {
printBinaryOp(out, exec, location, it, "bitor");
++it;
break;
}
case op_check_has_instance: {
int r0 = (++it)->u.operand;
int r1 = (++it)->u.operand;
int r2 = (++it)->u.operand;
int offset = (++it)->u.operand;
printLocationAndOp(out, exec, location, it, "check_has_instance");
out.printf("%s, %s, %s, %d(->%d)", registerName(r0).data(), registerName(r1).data(), registerName(r2).data(), offset, location + offset);
break;
}
case op_instanceof: {
int r0 = (++it)->u.operand;
int r1 = (++it)->u.operand;
int r2 = (++it)->u.operand;
printLocationAndOp(out, exec, location, it, "instanceof");
out.printf("%s, %s, %s", registerName(r0).data(), registerName(r1).data(), registerName(r2).data());
break;
}
case op_unsigned: {
printUnaryOp(out, exec, location, it, "unsigned");
break;
}
case op_typeof: {
printUnaryOp(out, exec, location, it, "typeof");
break;
}
case op_is_undefined: {
printUnaryOp(out, exec, location, it, "is_undefined");
break;
}
case op_is_boolean: {
printUnaryOp(out, exec, location, it, "is_boolean");
break;
}
case op_is_number: {
printUnaryOp(out, exec, location, it, "is_number");
break;
}
case op_is_string: {
printUnaryOp(out, exec, location, it, "is_string");
break;
}
case op_is_object: {
printUnaryOp(out, exec, location, it, "is_object");
break;
}
case op_is_object_or_null: {
printUnaryOp(out, exec, location, it, "is_object_or_null");
break;
}
case op_is_function: {
printUnaryOp(out, exec, location, it, "is_function");
break;
}
case op_in: {
printBinaryOp(out, exec, location, it, "in");
break;
}
case op_get_by_id:
case op_get_array_length: {
printGetByIdOp(out, exec, location, it);
printGetByIdCacheStatus(out, exec, location, stubInfos);
dumpValueProfiling(out, it, hasPrintedProfiling);
break;
}
case op_put_by_id: {
printPutByIdOp(out, exec, location, it, "put_by_id");
printPutByIdCacheStatus(out, location, stubInfos);
break;