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3580 lines (3244 loc) · 134 KB
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/*
* Copyright (C) 2008, 2009, 2010, 2012, 2013 Apple Inc. All rights reserved.
* Copyright (C) 2008 Cameron Zwarich <[email protected]>
*
* 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 Computer, 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 "BytecodeGenerator.h"
#include "BytecodeUseDef.h"
#include "CallLinkStatus.h"
#include "DFGCapabilities.h"
#include "DFGCommon.h"
#include "DFGDriver.h"
#include "DFGNode.h"
#include "DFGWorklist.h"
#include "Debugger.h"
#include "Interpreter.h"
#include "JIT.h"
#include "JITStubs.h"
#include "JSActivation.h"
#include "JSCJSValue.h"
#include "JSFunction.h"
#include "JSNameScope.h"
#include "LLIntEntrypoint.h"
#include "LowLevelInterpreter.h"
#include "Operations.h"
#include "PolymorphicPutByIdList.h"
#include "ReduceWhitespace.h"
#include "Repatch.h"
#include "RepatchBuffer.h"
#include "SlotVisitorInlines.h"
#include <wtf/BagToHashMap.h>
#include <wtf/CommaPrinter.h>
#include <wtf/StringExtras.h>
#include <wtf/StringPrintStream.h>
#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();
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(ownerExecutable()->source(), specializationKind());
}
return m_hash;
}
CString CodeBlock::sourceCodeForTools() const
{
if (codeType() != FunctionCode)
return ownerExecutable()->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());
}
void CodeBlock::dumpAssumingJITType(PrintStream& out, JITCode::JITType jitType) const
{
if (hasHash() || isSafeToComputeHash())
out.print(inferredName(), "#", hash(), ":[", RawPointer(this), "->", RawPointer(ownerExecutable()), ", ", jitType, codeType());
else
out.print(inferredName(), "#<no-hash>:[", RawPointer(this), "->", RawPointer(ownerExecutable()), ", ", jitType, codeType());
if (codeType() == FunctionCode)
out.print(specializationKind());
out.print(", ", instructionCount());
if (this->jitType() == JITCode::BaselineJIT && m_shouldAlwaysBeInlined)
out.print(" (SABI)");
if (ownerExecutable()->neverInline())
out.print(" (NeverInline)");
if (ownerExecutable()->isStrictMode())
out.print(" (StrictMode)");
out.print("]");
}
void CodeBlock::dump(PrintStream& out) const
{
dumpAssumingJITType(out, jitType());
}
static CString constantName(int k, JSValue value)
{
return toCString(value, "(@k", k - FirstConstantRegisterIndex, ")");
}
static CString idName(int id0, const Identifier& ident)
{
return toCString(ident.impl(), "(@id", id0, ")");
}
CString CodeBlock::registerName(int r) const
{
if (r == missingThisObjectMarker())
return "<null>";
if (isConstantRegisterIndex(r))
return constantName(r, getConstant(r));
if (operandIsArgument(r)) {
if (!VirtualRegister(r).toArgument())
return "this";
return toCString("arg", VirtualRegister(r).toArgument());
}
return toCString("loc", VirtualRegister(r).toLocal());
}
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_by_id_out_of_line:
op = "get_by_id_out_of_line";
break;
case op_get_by_id_self:
op = "get_by_id_self";
break;
case op_get_by_id_proto:
op = "get_by_id_proto";
break;
case op_get_by_id_chain:
op = "get_by_id_chain";
break;
case op_get_by_id_getter_self:
op = "get_by_id_getter_self";
break;
case op_get_by_id_getter_proto:
op = "get_by_id_getter_proto";
break;
case op_get_by_id_getter_chain:
op = "get_by_id_getter_chain";
break;
case op_get_by_id_custom_self:
op = "get_by_id_custom_self";
break;
case op_get_by_id_custom_proto:
op = "get_by_id_custom_proto";
break;
case op_get_by_id_custom_chain:
op = "get_by_id_custom_chain";
break;
case op_get_by_id_generic:
op = "get_by_id_generic";
break;
case op_get_array_length:
op = "array_length";
break;
case op_get_string_length:
op = "string_length";
break;
default:
RELEASE_ASSERT_NOT_REACHED();
op = 0;
}
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.
}
#if ENABLE(JIT) || ENABLE(LLINT) // unused in some configurations
static void dumpStructure(PrintStream& out, const char* name, ExecState* exec, Structure* structure, const Identifier& ident)
{
if (!structure)
return;
out.printf("%s = %p", name, structure);
PropertyOffset offset = structure->getConcurrently(exec->vm(), ident.impl());
if (offset != invalidOffset)
out.printf(" (offset = %d)", offset);
}
#endif
#if ENABLE(JIT) // unused when not ENABLE(JIT), leading to silly warnings
static void dumpChain(PrintStream& out, ExecState* exec, 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", exec, currentStructure->get(), ident);
}
out.printf("]");
}
#endif
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 ENABLE(LLINT)
if (exec->interpreter()->getOpcodeID(instruction[0].u.opcode) == op_get_array_length)
out.printf(" llint(array_length)");
else if (Structure* structure = instruction[4].u.structure.get()) {
out.printf(" llint(");
dumpStructure(out, "struct", exec, structure, ident);
out.printf(")");
}
#endif
#if ENABLE(JIT)
if (StructureStubInfo* stubPtr = map.get(CodeOrigin(location))) {
StructureStubInfo& stubInfo = *stubPtr;
if (stubInfo.seen) {
out.printf(" jit(");
Structure* baseStructure = 0;
Structure* prototypeStructure = 0;
StructureChain* chain = 0;
PolymorphicAccessStructureList* structureList = 0;
int listSize = 0;
switch (stubInfo.accessType) {
case access_get_by_id_self:
out.printf("self");
baseStructure = stubInfo.u.getByIdSelf.baseObjectStructure.get();
break;
case access_get_by_id_proto:
out.printf("proto");
baseStructure = stubInfo.u.getByIdProto.baseObjectStructure.get();
prototypeStructure = stubInfo.u.getByIdProto.prototypeStructure.get();
break;
case access_get_by_id_chain:
out.printf("chain");
baseStructure = stubInfo.u.getByIdChain.baseObjectStructure.get();
chain = stubInfo.u.getByIdChain.chain.get();
break;
case access_get_by_id_self_list:
out.printf("self_list");
structureList = stubInfo.u.getByIdSelfList.structureList;
listSize = stubInfo.u.getByIdSelfList.listSize;
break;
case access_get_by_id_proto_list:
out.printf("proto_list");
structureList = stubInfo.u.getByIdProtoList.structureList;
listSize = stubInfo.u.getByIdProtoList.listSize;
break;
case access_unset:
out.printf("unset");
break;
case access_get_by_id_generic:
out.printf("generic");
break;
case access_get_array_length:
out.printf("array_length");
break;
case access_get_string_length:
out.printf("string_length");
break;
default:
RELEASE_ASSERT_NOT_REACHED();
break;
}
if (baseStructure) {
out.printf(", ");
dumpStructure(out, "struct", exec, baseStructure, ident);
}
if (prototypeStructure) {
out.printf(", ");
dumpStructure(out, "prototypeStruct", exec, baseStructure, ident);
}
if (chain) {
out.printf(", ");
dumpChain(out, exec, chain, ident);
}
if (structureList) {
out.printf(", list = %p: [", structureList);
for (int i = 0; i < listSize; ++i) {
if (i)
out.printf(", ");
out.printf("(");
dumpStructure(out, "base", exec, structureList->list[i].base.get(), ident);
if (structureList->list[i].isChain) {
if (structureList->list[i].u.chain.get()) {
out.printf(", ");
dumpChain(out, exec, structureList->list[i].u.chain.get(), ident);
}
} else {
if (structureList->list[i].u.proto.get()) {
out.printf(", ");
dumpStructure(out, "proto", exec, structureList->list[i].u.proto.get(), ident);
}
}
out.printf(")");
}
out.printf("]");
}
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)
{
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) {
#if ENABLE(LLINT)
LLIntCallLinkInfo* callLinkInfo = it[1].u.callLinkInfo;
if (callLinkInfo->lastSeenCallee) {
out.printf(
" llint(%p, exec %p)",
callLinkInfo->lastSeenCallee.get(),
callLinkInfo->lastSeenCallee->executable());
}
#endif
#if ENABLE(JIT)
if (numberOfCallLinkInfos()) {
JSFunction* target = getCallLinkInfo(location).lastSeenCallee.get();
if (target)
out.printf(" jit(%p, exec %p)", target, target->executable());
}
#endif
out.print(" status(", CallLinkStatus::computeFor(this, location), ")");
}
++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::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 (symbolTable() && symbolTable()->captureCount()) {
out.printf(
"; %d captured var(s) (from r%d to r%d, inclusive)",
symbolTable()->captureCount(), symbolTable()->captureStart(), symbolTable()->captureEnd() + 1);
}
if (usesArguments()) {
out.printf(
"; uses arguments, in r%d, r%d",
argumentsRegister().offset(),
unmodifiedArgumentsRegister(argumentsRegister()).offset());
}
if (needsFullScopeChain() && codeType() == FunctionCode)
out.printf("; activation in r%d", activationRegister().offset());
out.printf("\n");
StubInfoMap stubInfos;
#if ENABLE(JIT)
{
ConcurrentJITLocker locker(m_lock);
getStubInfoMap(locker, stubInfos);
}
#endif
const Instruction* begin = instructions().begin();
const Instruction* end = instructions().end();
for (const Instruction* it = begin; it != end; ++it)
dumpBytecode(out, exec, begin, it, stubInfos);
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 {
out.printf(" k%u = %s\n", static_cast<unsigned>(i), toCString(m_constantRegisters[i].get()).data());
++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 {
out.printf("\t %d: { start: [%4d] end: [%4d] target: [%4d] depth: [%4d] }\n", i + 1, m_rareData->m_exceptionHandlers[i].start, m_rareData->m_exceptionHandlers[i].end, m_rareData->m_exceptionHandlers[i].target, m_rareData->m_exceptionHandlers[i].scopeDepth);
++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", String(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;
#if ENABLE(VALUE_PROFILER)
CString description = it->u.profile->briefDescription(locker);
if (!description.length())
return;
beginDumpProfiling(out, hasPrintedProfiling);
out.print(description);
#else
UNUSED_PARAM(out);
UNUSED_PARAM(hasPrintedProfiling);
#endif
}
void CodeBlock::dumpArrayProfiling(PrintStream& out, const Instruction*& it, bool& hasPrintedProfiling)
{
ConcurrentJITLocker locker(m_lock);
++it;
#if ENABLE(VALUE_PROFILER)
if (!it->u.arrayProfile)
return;
CString description = it->u.arrayProfile->briefDescription(locker, this);
if (!description.length())
return;
beginDumpProfiling(out, hasPrintedProfiling);
out.print(description);
#else
UNUSED_PARAM(out);
UNUSED_PARAM(hasPrintedProfiling);
#endif
}
#if ENABLE(VALUE_PROFILER)
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);
}
#endif
void CodeBlock::dumpBytecode(PrintStream& out, ExecState* exec, const Instruction* begin, const Instruction*& it, const StubInfoMap& map)
{
int location = it - begin;
bool hasPrintedProfiling = false;
switch (exec->interpreter()->getOpcodeID(it->u.opcode)) {
case op_enter: {
printLocationAndOp(out, exec, location, it, "enter");
break;
}
case op_touch_entry: {
printLocationAndOp(out, exec, location, it, "touch_entry");
break;
}
case op_create_activation: {
int r0 = (++it)->u.operand;
printLocationOpAndRegisterOperand(out, exec, location, it, "create_activation", r0);
break;
}
case op_create_arguments: {
int r0 = (++it)->u.operand;
printLocationOpAndRegisterOperand(out, exec, location, it, "create_arguments", r0);
break;
}
case op_init_lazy_reg: {
int r0 = (++it)->u.operand;
printLocationOpAndRegisterOperand(out, exec, location, it, "init_lazy_reg", r0);
break;
}
case op_get_callee: {
int r0 = (++it)->u.operand;
printLocationOpAndRegisterOperand(out, exec, location, it, "get_callee", r0);
++it;
break;
}
case op_create_this: {
int r0 = (++it)->u.operand;
int r1 = (++it)->u.operand;
unsigned inferredInlineCapacity = (++it)->u.operand;
printLocationAndOp(out, exec, location, it, "create_this");
out.printf("%s, %s, %u", registerName(r0).data(), registerName(r1).data(), inferredInlineCapacity);
break;
}
case op_to_this: {
int r0 = (++it)->u.operand;
printLocationOpAndRegisterOperand(out, exec, location, it, "to_this", r0);
++it; // Skip value profile.
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_captured_mov: {
int r0 = (++it)->u.operand;
int r1 = (++it)->u.operand;
printLocationAndOp(out, exec, location, it, "captured_mov");
out.printf("%s, %s", registerName(r0).data(), registerName(r1).data());
++it;
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_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_function: {
printUnaryOp(out, exec, location, it, "is_function");
break;
}
case op_in: {
printBinaryOp(out, exec, location, it, "in");
break;
}
case op_init_global_const_nop: {
printLocationAndOp(out, exec, location, it, "init_global_const_nop");
it++;
it++;
it++;
it++;
break;
}
case op_init_global_const: {
WriteBarrier<Unknown>* registerPointer = (++it)->u.registerPointer;
int r0 = (++it)->u.operand;
printLocationAndOp(out, exec, location, it, "init_global_const");
out.printf("g%d(%p), %s", m_globalObject->findRegisterIndex(registerPointer), registerPointer, registerName(r0).data());
it++;
it++;
break;
}
case op_get_by_id:
case op_get_by_id_out_of_line:
case op_get_by_id_self:
case op_get_by_id_proto:
case op_get_by_id_chain:
case op_get_by_id_getter_self:
case op_get_by_id_getter_proto:
case op_get_by_id_getter_chain:
case op_get_by_id_custom_self:
case op_get_by_id_custom_proto:
case op_get_by_id_custom_chain:
case op_get_by_id_generic:
case op_get_array_length:
case op_get_string_length: {
printGetByIdOp(out, exec, location, it);
printGetByIdCacheStatus(out, exec, location, map);
dumpValueProfiling(out, it, hasPrintedProfiling);
break;
}
case op_get_arguments_length: {
printUnaryOp(out, exec, location, it, "get_arguments_length");
it++;
break;
}
case op_put_by_id: {
printPutByIdOp(out, exec, location, it, "put_by_id");
break;
}
case op_put_by_id_out_of_line: {
printPutByIdOp(out, exec, location, it, "put_by_id_out_of_line");
break;
}
case op_put_by_id_replace: {
printPutByIdOp(out, exec, location, it, "put_by_id_replace");
break;
}
case op_put_by_id_transition: {
printPutByIdOp(out, exec, location, it, "put_by_id_transition");
break;
}
case op_put_by_id_transition_direct: {
printPutByIdOp(out, exec, location, it, "put_by_id_transition_direct");
break;