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/*
* Copyright (C) 2013-2019 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "JITInlineCacheGenerator.h"
#if ENABLE(JIT)
#include "BaselineJITRegisters.h"
#include "CCallHelpers.h"
#include "CacheableIdentifierInlines.h"
#include "CodeBlock.h"
#include "DFGJITCompiler.h"
#include "InlineAccess.h"
#include "JITInlines.h"
#include "LinkBuffer.h"
#include "StructureStubInfo.h"
namespace JSC {
JITInlineCacheGenerator::JITInlineCacheGenerator(CodeBlock*, CompileTimeStructureStubInfo stubInfo, JITType, CodeOrigin, AccessType accessType)
: m_accessType(accessType)
{
std::visit(WTF::makeVisitor(
[&](StructureStubInfo* stubInfo) {
m_stubInfo = stubInfo;
},
[&](BaselineUnlinkedStructureStubInfo* stubInfo) {
m_unlinkedStubInfo = stubInfo;
}
#if ENABLE(DFG_JIT)
,
[&](DFG::UnlinkedStructureStubInfo* stubInfo) {
m_unlinkedStubInfo = stubInfo;
}
#endif
), stubInfo);
}
void JITInlineCacheGenerator::finalize(
LinkBuffer& fastPath, LinkBuffer& slowPath, CodeLocationLabel<JITStubRoutinePtrTag> start)
{
ASSERT(m_stubInfo);
ASSERT(!m_stubInfo->useDataIC);
m_stubInfo->startLocation = start;
m_stubInfo->doneLocation = fastPath.locationOf<JSInternalPtrTag>(m_done);
m_stubInfo->m_slowPathCallLocation = slowPath.locationOf<JSInternalPtrTag>(m_slowPathCall);
m_stubInfo->slowPathStartLocation = slowPath.locationOf<JITStubRoutinePtrTag>(m_slowPathBegin);
}
void JITInlineCacheGenerator::generateDataICFastPath(CCallHelpers& jit, GPRReg stubInfoGPR)
{
m_start = jit.label();
if (Options::useHandlerIC()) {
jit.loadPtr(CCallHelpers::Address(stubInfoGPR, StructureStubInfo::offsetOfHandler()), GPRInfo::handlerGPR);
jit.call(CCallHelpers::Address(GPRInfo::handlerGPR, InlineCacheHandler::offsetOfCallTarget()), JITStubRoutinePtrTag);
} else {
jit.loadPtr(CCallHelpers::Address(stubInfoGPR, StructureStubInfo::offsetOfHandler()), jit.scratchRegister());
jit.farJump(CCallHelpers::Address(jit.scratchRegister(), InlineCacheHandler::offsetOfCallTarget()), JITStubRoutinePtrTag);
}
m_done = jit.label();
}
JITByIdGenerator::JITByIdGenerator(
CodeBlock* codeBlock, CompileTimeStructureStubInfo stubInfo, JITType jitType, CodeOrigin codeOrigin, AccessType accessType,
JSValueRegs base, JSValueRegs value)
: JITInlineCacheGenerator(codeBlock, stubInfo, jitType, codeOrigin, accessType)
, m_base(base)
, m_value(value)
{
}
void JITByIdGenerator::finalize(LinkBuffer& fastPath, LinkBuffer& slowPath)
{
ASSERT(m_stubInfo);
JITInlineCacheGenerator::finalize(fastPath, slowPath, fastPath.locationOf<JITStubRoutinePtrTag>(m_start));
ASSERT(!m_stubInfo->useDataIC);
}
void JITByIdGenerator::generateFastCommon(CCallHelpers& jit, size_t inlineICSize)
{
ASSERT(!m_stubInfo->useDataIC);
m_start = jit.label();
size_t startSize = jit.m_assembler.buffer().codeSize();
m_slowPathJump = jit.jump();
size_t jumpSize = jit.m_assembler.buffer().codeSize() - startSize;
size_t nopsToEmitInBytes = inlineICSize - jumpSize;
jit.emitNops(nopsToEmitInBytes);
ASSERT(jit.m_assembler.buffer().codeSize() - startSize == inlineICSize);
m_done = jit.label();
}
JITGetByIdGenerator::JITGetByIdGenerator(
CodeBlock* codeBlock, CompileTimeStructureStubInfo stubInfo, JITType jitType, CodeOrigin codeOrigin, CallSiteIndex callSite, const RegisterSetBuilder& usedRegisters,
CacheableIdentifier propertyName, JSValueRegs base, JSValueRegs value, GPRReg stubInfoGPR, AccessType accessType, CacheType cacheType)
: JITByIdGenerator(codeBlock, stubInfo, jitType, codeOrigin, accessType, base, value)
, m_isLengthAccess(codeBlock && propertyName.uid() == codeBlock->vm().propertyNames->length.impl())
, m_cacheType(cacheType)
{
RELEASE_ASSERT(base.payloadGPR() != value.tagGPR());
std::visit([&](auto* stubInfo) {
setUpStubInfo(*stubInfo, codeBlock, accessType, cacheType, codeOrigin, callSite, usedRegisters, propertyName, base, value, stubInfoGPR);
}, stubInfo);
}
static void generateGetByIdInlineAccessBaselineDataIC(CCallHelpers& jit, GPRReg stubInfoGPR, JSValueRegs baseJSR, GPRReg scratch1GPR, JSValueRegs resultJSR, CacheType cacheType)
{
CCallHelpers::JumpList slowCases;
CCallHelpers::JumpList doneCases;
switch (cacheType) {
case CacheType::GetByIdSelf: {
jit.load32(CCallHelpers::Address(baseJSR.payloadGPR(), JSCell::structureIDOffset()), scratch1GPR);
slowCases.append(jit.branch32(CCallHelpers::NotEqual, scratch1GPR, CCallHelpers::Address(stubInfoGPR, StructureStubInfo::offsetOfInlineAccessBaseStructureID())));
jit.load32(CCallHelpers::Address(stubInfoGPR, StructureStubInfo::offsetOfByIdSelfOffset()), scratch1GPR);
jit.loadProperty(baseJSR.payloadGPR(), scratch1GPR, resultJSR);
doneCases.append(jit.jump());
break;
}
case CacheType::GetByIdPrototype: {
jit.load32(CCallHelpers::Address(baseJSR.payloadGPR(), JSCell::structureIDOffset()), scratch1GPR);
slowCases.append(jit.branch32(CCallHelpers::NotEqual, scratch1GPR, CCallHelpers::Address(stubInfoGPR, StructureStubInfo::offsetOfInlineAccessBaseStructureID())));
jit.load32(CCallHelpers::Address(stubInfoGPR, StructureStubInfo::offsetOfByIdSelfOffset()), scratch1GPR);
jit.loadPtr(CCallHelpers::Address(stubInfoGPR, StructureStubInfo::offsetOfInlineHolder()), resultJSR.payloadGPR());
jit.loadProperty(resultJSR.payloadGPR(), scratch1GPR, resultJSR);
doneCases.append(jit.jump());
break;
}
case CacheType::ArrayLength: {
jit.load8(CCallHelpers::Address(baseJSR.payloadGPR(), JSCell::indexingTypeAndMiscOffset()), scratch1GPR);
slowCases.append(jit.branchTest32(CCallHelpers::Zero, scratch1GPR, CCallHelpers::TrustedImm32(IsArray)));
slowCases.append(jit.branchTest32(CCallHelpers::Zero, scratch1GPR, CCallHelpers::TrustedImm32(IndexingShapeMask)));
jit.loadPtr(CCallHelpers::Address(baseJSR.payloadGPR(), JSObject::butterflyOffset()), scratch1GPR);
jit.load32(CCallHelpers::Address(scratch1GPR, ArrayStorage::lengthOffset()), scratch1GPR);
slowCases.append(jit.branch32(CCallHelpers::LessThan, scratch1GPR, CCallHelpers::TrustedImm32(0)));
jit.boxInt32(scratch1GPR, resultJSR);
doneCases.append(jit.jump());
break;
}
default:
break;
}
slowCases.link(&jit);
if (Options::useHandlerIC()) {
jit.loadPtr(CCallHelpers::Address(stubInfoGPR, StructureStubInfo::offsetOfHandler()), GPRInfo::handlerGPR);
jit.call(CCallHelpers::Address(GPRInfo::handlerGPR, InlineCacheHandler::offsetOfCallTarget()), JITStubRoutinePtrTag);
} else {
jit.loadPtr(CCallHelpers::Address(stubInfoGPR, StructureStubInfo::offsetOfHandler()), jit.scratchRegister());
jit.farJump(CCallHelpers::Address(jit.scratchRegister(), InlineCacheHandler::offsetOfCallTarget()), JITStubRoutinePtrTag);
}
doneCases.link(&jit);
}
void JITGetByIdGenerator::generateFastPath(CCallHelpers& jit)
{
ASSERT(m_stubInfo);
ASSERT(!m_stubInfo->useDataIC);
generateFastCommon(jit, m_isLengthAccess ? InlineAccess::sizeForLengthAccess() : InlineAccess::sizeForPropertyAccess());
}
void JITGetByIdGenerator::generateDataICFastPath(CCallHelpers& jit)
{
m_start = jit.label();
using BaselineJITRegisters::GetById::baseJSR;
using BaselineJITRegisters::GetById::resultJSR;
using BaselineJITRegisters::GetById::stubInfoGPR;
using BaselineJITRegisters::GetById::scratch1GPR;
generateGetByIdInlineAccessBaselineDataIC(jit, stubInfoGPR, baseJSR, scratch1GPR, resultJSR, m_cacheType);
m_done = jit.label();
}
JITGetByIdWithThisGenerator::JITGetByIdWithThisGenerator(
CodeBlock* codeBlock, CompileTimeStructureStubInfo stubInfo, JITType jitType, CodeOrigin codeOrigin, CallSiteIndex callSite, const RegisterSetBuilder& usedRegisters,
CacheableIdentifier propertyName, JSValueRegs value, JSValueRegs base, JSValueRegs thisRegs, GPRReg stubInfoGPR)
: JITByIdGenerator(codeBlock, stubInfo, jitType, codeOrigin, AccessType::GetByIdWithThis, base, value)
{
RELEASE_ASSERT(thisRegs.payloadGPR() != thisRegs.tagGPR());
std::visit([&](auto* stubInfo) {
setUpStubInfo(*stubInfo, codeBlock, AccessType::GetByIdWithThis, CacheType::GetByIdSelf, codeOrigin, callSite, usedRegisters, propertyName, value, base, thisRegs, stubInfoGPR);
}, stubInfo);
}
void JITGetByIdWithThisGenerator::generateFastPath(CCallHelpers& jit)
{
ASSERT(m_stubInfo);
ASSERT(!m_stubInfo->useDataIC);
generateFastCommon(jit, InlineAccess::sizeForPropertyAccess());
}
void JITGetByIdWithThisGenerator::generateDataICFastPath(CCallHelpers& jit)
{
m_start = jit.label();
using BaselineJITRegisters::GetByIdWithThis::baseJSR;
using BaselineJITRegisters::GetByIdWithThis::resultJSR;
using BaselineJITRegisters::GetByIdWithThis::stubInfoGPR;
using BaselineJITRegisters::GetByIdWithThis::scratch1GPR;
generateGetByIdInlineAccessBaselineDataIC(jit, stubInfoGPR, baseJSR, scratch1GPR, resultJSR, CacheType::GetByIdSelf);
m_done = jit.label();
}
JITPutByIdGenerator::JITPutByIdGenerator(
CodeBlock* codeBlock, CompileTimeStructureStubInfo stubInfo, JITType jitType, CodeOrigin codeOrigin, CallSiteIndex callSite, const RegisterSetBuilder& usedRegisters, CacheableIdentifier propertyName,
JSValueRegs base, JSValueRegs value, GPRReg stubInfoGPR, GPRReg scratch,
AccessType accessType)
: JITByIdGenerator(codeBlock, stubInfo, jitType, codeOrigin, accessType, base, value)
{
std::visit([&](auto* stubInfo) {
setUpStubInfo(*stubInfo, codeBlock, accessType, CacheType::PutByIdReplace, codeOrigin, callSite, usedRegisters, propertyName, base, value, stubInfoGPR, scratch);
}, stubInfo);
}
static void generatePutByIdInlineAccessBaselineDataIC(CCallHelpers& jit, GPRReg stubInfoGPR, JSValueRegs baseJSR, JSValueRegs valueJSR, GPRReg scratch1GPR, GPRReg scratch2GPR)
{
jit.load32(CCallHelpers::Address(baseJSR.payloadGPR(), JSCell::structureIDOffset()), scratch1GPR);
auto doNotInlineAccess = jit.branch32(CCallHelpers::NotEqual, scratch1GPR, CCallHelpers::Address(stubInfoGPR, StructureStubInfo::offsetOfInlineAccessBaseStructureID()));
jit.load32(CCallHelpers::Address(stubInfoGPR, StructureStubInfo::offsetOfByIdSelfOffset()), scratch1GPR);
// The second scratch can be the same to baseJSR.
jit.storeProperty(valueJSR, baseJSR.payloadGPR(), scratch1GPR, scratch2GPR);
auto done = jit.jump();
doNotInlineAccess.link(&jit);
if (Options::useHandlerIC()) {
jit.loadPtr(CCallHelpers::Address(stubInfoGPR, StructureStubInfo::offsetOfHandler()), GPRInfo::handlerGPR);
jit.call(CCallHelpers::Address(GPRInfo::handlerGPR, InlineCacheHandler::offsetOfCallTarget()), JITStubRoutinePtrTag);
} else {
jit.loadPtr(CCallHelpers::Address(stubInfoGPR, StructureStubInfo::offsetOfHandler()), jit.scratchRegister());
jit.farJump(CCallHelpers::Address(jit.scratchRegister(), InlineCacheHandler::offsetOfCallTarget()), JITStubRoutinePtrTag);
}
done.link(&jit);
}
void JITPutByIdGenerator::generateDataICFastPath(CCallHelpers& jit)
{
using BaselineJITRegisters::PutById::baseJSR;
using BaselineJITRegisters::PutById::valueJSR;
using BaselineJITRegisters::PutById::stubInfoGPR;
using BaselineJITRegisters::PutById::scratch1GPR;
m_start = jit.label();
// The second scratch can be the same to baseJSR. In Baseline JIT, we clobber the baseJSR to save registers.
generatePutByIdInlineAccessBaselineDataIC(jit, stubInfoGPR, baseJSR, valueJSR, scratch1GPR, baseJSR.payloadGPR());
m_done = jit.label();
}
void JITPutByIdGenerator::generateFastPath(CCallHelpers& jit)
{
ASSERT(m_stubInfo);
ASSERT(!m_stubInfo->useDataIC);
generateFastCommon(jit, InlineAccess::sizeForPropertyReplace());
}
JITDelByValGenerator::JITDelByValGenerator(CodeBlock* codeBlock, CompileTimeStructureStubInfo stubInfo, JITType jitType, CodeOrigin codeOrigin, CallSiteIndex callSiteIndex, AccessType accessType, const RegisterSetBuilder& usedRegisters, JSValueRegs base, JSValueRegs property, JSValueRegs result, GPRReg stubInfoGPR)
: Base(codeBlock, stubInfo, jitType, codeOrigin, accessType)
{
std::visit([&](auto* stubInfo) {
setUpStubInfo(*stubInfo, codeBlock, accessType, CacheType::Unset, codeOrigin, callSiteIndex, usedRegisters, base, property, result, stubInfoGPR);
}, stubInfo);
}
void JITDelByValGenerator::generateFastPath(CCallHelpers& jit)
{
ASSERT(m_stubInfo);
ASSERT(!m_stubInfo->useDataIC);
m_start = jit.label();
m_slowPathJump = jit.patchableJump();
m_done = jit.label();
}
void JITDelByValGenerator::generateDataICFastPath(CCallHelpers& jit)
{
using BaselineJITRegisters::DelByVal::stubInfoGPR;
JITInlineCacheGenerator::generateDataICFastPath(jit, stubInfoGPR);
}
void JITDelByValGenerator::finalize(LinkBuffer& fastPath, LinkBuffer& slowPath)
{
ASSERT(m_stubInfo);
Base::finalize(fastPath, slowPath, fastPath.locationOf<JITStubRoutinePtrTag>(m_start));
ASSERT(!m_stubInfo->useDataIC);
}
JITDelByIdGenerator::JITDelByIdGenerator(CodeBlock* codeBlock, CompileTimeStructureStubInfo stubInfo, JITType jitType, CodeOrigin codeOrigin, CallSiteIndex callSiteIndex, AccessType accessType, const RegisterSetBuilder& usedRegisters, CacheableIdentifier propertyName, JSValueRegs base, JSValueRegs result, GPRReg stubInfoGPR)
: Base(codeBlock, stubInfo, jitType, codeOrigin, accessType)
{
std::visit([&](auto* stubInfo) {
setUpStubInfo(*stubInfo, codeBlock, accessType, CacheType::Unset, codeOrigin, callSiteIndex, usedRegisters, propertyName, base, result, stubInfoGPR);
}, stubInfo);
}
void JITDelByIdGenerator::generateFastPath(CCallHelpers& jit)
{
ASSERT(m_stubInfo);
ASSERT(!m_stubInfo->useDataIC);
m_start = jit.label();
m_slowPathJump = jit.patchableJump();
m_done = jit.label();
}
void JITDelByIdGenerator::generateDataICFastPath(CCallHelpers& jit)
{
using BaselineJITRegisters::DelById::stubInfoGPR;
JITInlineCacheGenerator::generateDataICFastPath(jit, stubInfoGPR);
}
void JITDelByIdGenerator::finalize(LinkBuffer& fastPath, LinkBuffer& slowPath)
{
ASSERT(m_stubInfo);
Base::finalize(fastPath, slowPath, fastPath.locationOf<JITStubRoutinePtrTag>(m_start));
ASSERT(!m_stubInfo->useDataIC);
}
JITInByValGenerator::JITInByValGenerator(CodeBlock* codeBlock, CompileTimeStructureStubInfo stubInfo, JITType jitType, CodeOrigin codeOrigin, CallSiteIndex callSiteIndex, AccessType accessType, const RegisterSetBuilder& usedRegisters, JSValueRegs base, JSValueRegs property, JSValueRegs result, GPRReg arrayProfileGPR, GPRReg stubInfoGPR)
: Base(codeBlock, stubInfo, jitType, codeOrigin, accessType)
{
std::visit([&](auto* stubInfo) {
setUpStubInfo(*stubInfo, codeBlock, accessType, CacheType::Unset, codeOrigin, callSiteIndex, usedRegisters, base, property, result, arrayProfileGPR, stubInfoGPR);
}, stubInfo);
}
void JITInByValGenerator::generateFastPath(CCallHelpers& jit)
{
ASSERT(m_stubInfo);
ASSERT(!m_stubInfo->useDataIC);
m_start = jit.label();
m_slowPathJump = jit.patchableJump();
m_done = jit.label();
}
void JITInByValGenerator::generateDataICFastPath(CCallHelpers& jit)
{
using BaselineJITRegisters::InByVal::stubInfoGPR;
JITInlineCacheGenerator::generateDataICFastPath(jit, stubInfoGPR);
}
void JITInByValGenerator::finalize(
LinkBuffer& fastPath, LinkBuffer& slowPath)
{
ASSERT(m_start.isSet());
ASSERT(m_stubInfo);
Base::finalize(fastPath, slowPath, fastPath.locationOf<JITStubRoutinePtrTag>(m_start));
ASSERT(!m_stubInfo->useDataIC);
}
JITInByIdGenerator::JITInByIdGenerator(
CodeBlock* codeBlock, CompileTimeStructureStubInfo stubInfo, JITType jitType, CodeOrigin codeOrigin, CallSiteIndex callSite, const RegisterSetBuilder& usedRegisters,
CacheableIdentifier propertyName, JSValueRegs base, JSValueRegs value, GPRReg stubInfoGPR)
: JITByIdGenerator(codeBlock, stubInfo, jitType, codeOrigin, AccessType::InById, base, value)
{
RELEASE_ASSERT(base.payloadGPR() != value.tagGPR());
std::visit([&](auto* stubInfo) {
setUpStubInfo(*stubInfo, codeBlock, AccessType::InById, CacheType::InByIdSelf, codeOrigin, callSite, usedRegisters, propertyName, base, value, stubInfoGPR);
}, stubInfo);
}
static void generateInByIdInlineAccessBaselineDataIC(CCallHelpers& jit, GPRReg stubInfoGPR, JSValueRegs baseJSR, GPRReg scratch1GPR, JSValueRegs resultJSR)
{
jit.load32(CCallHelpers::Address(baseJSR.payloadGPR(), JSCell::structureIDOffset()), scratch1GPR);
auto skipInlineAccess = jit.branch32(CCallHelpers::NotEqual, scratch1GPR, CCallHelpers::Address(stubInfoGPR, StructureStubInfo::offsetOfInlineAccessBaseStructureID()));
jit.boxBoolean(true, resultJSR);
auto finished = jit.jump();
skipInlineAccess.link(&jit);
if (Options::useHandlerIC()) {
jit.loadPtr(CCallHelpers::Address(stubInfoGPR, StructureStubInfo::offsetOfHandler()), GPRInfo::handlerGPR);
jit.call(CCallHelpers::Address(GPRInfo::handlerGPR, InlineCacheHandler::offsetOfCallTarget()), JITStubRoutinePtrTag);
} else {
jit.loadPtr(CCallHelpers::Address(stubInfoGPR, StructureStubInfo::offsetOfHandler()), jit.scratchRegister());
jit.farJump(CCallHelpers::Address(jit.scratchRegister(), InlineCacheHandler::offsetOfCallTarget()), JITStubRoutinePtrTag);
}
finished.link(&jit);
}
void JITInByIdGenerator::generateFastPath(CCallHelpers& jit)
{
ASSERT(m_stubInfo);
ASSERT(!m_stubInfo->useDataIC);
generateFastCommon(jit, InlineAccess::sizeForPropertyAccess());
}
void JITInByIdGenerator::generateDataICFastPath(CCallHelpers& jit)
{
using BaselineJITRegisters::InById::baseJSR;
using BaselineJITRegisters::InById::resultJSR;
using BaselineJITRegisters::InById::stubInfoGPR;
using BaselineJITRegisters::InById::scratch1GPR;
m_start = jit.label();
generateInByIdInlineAccessBaselineDataIC(jit, stubInfoGPR, baseJSR, scratch1GPR, resultJSR);
m_done = jit.label();
}
JITInstanceOfGenerator::JITInstanceOfGenerator(
CodeBlock* codeBlock, CompileTimeStructureStubInfo stubInfo, JITType jitType, CodeOrigin codeOrigin, CallSiteIndex callSiteIndex,
const RegisterSetBuilder& usedRegisters, GPRReg result, GPRReg value, GPRReg prototype, GPRReg stubInfoGPR,
bool prototypeIsKnownObject)
: JITInlineCacheGenerator(codeBlock, stubInfo, jitType, codeOrigin, AccessType::InstanceOf)
{
std::visit([&](auto* stubInfo) {
setUpStubInfo(*stubInfo, codeBlock, AccessType::InstanceOf, CacheType::Unset, codeOrigin, callSiteIndex, usedRegisters, result, value, prototype, stubInfoGPR, prototypeIsKnownObject);
}, stubInfo);
}
void JITInstanceOfGenerator::generateFastPath(CCallHelpers& jit)
{
ASSERT(m_stubInfo);
ASSERT(!m_stubInfo->useDataIC);
m_start = jit.label();
m_slowPathJump = jit.patchableJump();
m_done = jit.label();
}
void JITInstanceOfGenerator::generateDataICFastPath(CCallHelpers& jit)
{
using BaselineJITRegisters::Instanceof::stubInfoGPR;
JITInlineCacheGenerator::generateDataICFastPath(jit, stubInfoGPR);
}
void JITInstanceOfGenerator::finalize(LinkBuffer& fastPath, LinkBuffer& slowPath)
{
ASSERT(m_stubInfo);
Base::finalize(fastPath, slowPath, fastPath.locationOf<JITStubRoutinePtrTag>(m_start));
ASSERT(!m_stubInfo->useDataIC);
}
JITGetByValGenerator::JITGetByValGenerator(CodeBlock* codeBlock, CompileTimeStructureStubInfo stubInfo, JITType jitType, CodeOrigin codeOrigin, CallSiteIndex callSiteIndex, AccessType accessType, const RegisterSetBuilder& usedRegisters, JSValueRegs base, JSValueRegs property, JSValueRegs result, GPRReg arrayProfileGPR, GPRReg stubInfoGPR)
: Base(codeBlock, stubInfo, jitType, codeOrigin, accessType)
, m_base(base)
, m_result(result)
{
std::visit([&](auto* stubInfo) {
setUpStubInfo(*stubInfo, codeBlock, accessType, CacheType::Unset, codeOrigin, callSiteIndex, usedRegisters, base, property, result, arrayProfileGPR, stubInfoGPR);
}, stubInfo);
}
void JITGetByValGenerator::generateFastPath(CCallHelpers& jit)
{
ASSERT(m_stubInfo);
ASSERT(!m_stubInfo->useDataIC);
m_start = jit.label();
m_slowPathJump = jit.patchableJump();
m_done = jit.label();
}
void JITGetByValGenerator::generateDataICFastPath(CCallHelpers& jit)
{
using BaselineJITRegisters::GetByVal::stubInfoGPR;
JITInlineCacheGenerator::generateDataICFastPath(jit, stubInfoGPR);
}
void JITGetByValGenerator::generateEmptyPath(CCallHelpers& jit)
{
m_start = jit.label();
m_done = jit.label();
}
void JITGetByValGenerator::finalize(LinkBuffer& fastPath, LinkBuffer& slowPath)
{
ASSERT(m_stubInfo);
Base::finalize(fastPath, slowPath, fastPath.locationOf<JITStubRoutinePtrTag>(m_start));
ASSERT(!m_stubInfo->useDataIC);
}
JITGetByValWithThisGenerator::JITGetByValWithThisGenerator(CodeBlock* codeBlock, CompileTimeStructureStubInfo stubInfo, JITType jitType, CodeOrigin codeOrigin, CallSiteIndex callSiteIndex, AccessType accessType, const RegisterSetBuilder& usedRegisters, JSValueRegs base, JSValueRegs property, JSValueRegs thisRegs, JSValueRegs result, GPRReg arrayProfileGPR, GPRReg stubInfoGPR)
: Base(codeBlock, stubInfo, jitType, codeOrigin, accessType)
, m_base(base)
, m_result(result)
{
std::visit([&](auto* stubInfo) {
setUpStubInfo(*stubInfo, codeBlock, accessType, CacheType::Unset, codeOrigin, callSiteIndex, usedRegisters, base, property, thisRegs, result, arrayProfileGPR, stubInfoGPR);
}, stubInfo);
}
void JITGetByValWithThisGenerator::generateFastPath(CCallHelpers& jit)
{
ASSERT(m_stubInfo);
ASSERT(!m_stubInfo->useDataIC);
m_start = jit.label();
m_slowPathJump = jit.patchableJump();
m_done = jit.label();
}
#if USE(JSVALUE64)
void JITGetByValWithThisGenerator::generateDataICFastPath(CCallHelpers& jit)
{
using BaselineJITRegisters::GetByValWithThis::stubInfoGPR;
JITInlineCacheGenerator::generateDataICFastPath(jit, stubInfoGPR);
}
#endif
void JITGetByValWithThisGenerator::generateEmptyPath(CCallHelpers& jit)
{
m_start = jit.label();
m_done = jit.label();
}
void JITGetByValWithThisGenerator::finalize(LinkBuffer& fastPath, LinkBuffer& slowPath)
{
ASSERT(m_stubInfo);
Base::finalize(fastPath, slowPath, fastPath.locationOf<JITStubRoutinePtrTag>(m_start));
ASSERT(!m_stubInfo->useDataIC);
}
JITPutByValGenerator::JITPutByValGenerator(CodeBlock* codeBlock, CompileTimeStructureStubInfo stubInfo, JITType jitType, CodeOrigin codeOrigin, CallSiteIndex callSiteIndex, AccessType accessType, const RegisterSetBuilder& usedRegisters, JSValueRegs base, JSValueRegs property, JSValueRegs value, GPRReg arrayProfileGPR, GPRReg stubInfoGPR)
: Base(codeBlock, stubInfo, jitType, codeOrigin, accessType)
, m_base(base)
, m_value(value)
{
std::visit([&](auto* stubInfo) {
setUpStubInfo(*stubInfo, codeBlock, accessType, CacheType::Unset, codeOrigin, callSiteIndex, usedRegisters, base, property, value, arrayProfileGPR, stubInfoGPR);
}, stubInfo);
}
void JITPutByValGenerator::generateFastPath(CCallHelpers& jit)
{
ASSERT(m_stubInfo);
ASSERT(!m_stubInfo->useDataIC);
m_start = jit.label();
m_slowPathJump = jit.patchableJump();
m_done = jit.label();
}
void JITPutByValGenerator::generateDataICFastPath(CCallHelpers& jit)
{
using BaselineJITRegisters::PutByVal::stubInfoGPR;
JITInlineCacheGenerator::generateDataICFastPath(jit, stubInfoGPR);
}
void JITPutByValGenerator::finalize(LinkBuffer& fastPath, LinkBuffer& slowPath)
{
ASSERT(m_stubInfo);
Base::finalize(fastPath, slowPath, fastPath.locationOf<JITStubRoutinePtrTag>(m_start));
ASSERT(!m_stubInfo->useDataIC);
}
JITPrivateBrandAccessGenerator::JITPrivateBrandAccessGenerator(CodeBlock* codeBlock, CompileTimeStructureStubInfo stubInfo, JITType jitType, CodeOrigin codeOrigin, CallSiteIndex callSiteIndex, AccessType accessType, const RegisterSetBuilder& usedRegisters, JSValueRegs base, JSValueRegs brand, GPRReg stubInfoGPR)
: Base(codeBlock, stubInfo, jitType, codeOrigin, accessType)
{
ASSERT(accessType == AccessType::CheckPrivateBrand || accessType == AccessType::SetPrivateBrand);
std::visit([&](auto* stubInfo) {
setUpStubInfo(*stubInfo, codeBlock, accessType, CacheType::Unset, codeOrigin, callSiteIndex, usedRegisters, base, brand, stubInfoGPR);
}, stubInfo);
}
void JITPrivateBrandAccessGenerator::generateFastPath(CCallHelpers& jit)
{
ASSERT(m_stubInfo);
ASSERT(!m_stubInfo->useDataIC);
m_start = jit.label();
m_slowPathJump = jit.patchableJump();
m_done = jit.label();
}
void JITPrivateBrandAccessGenerator::generateDataICFastPath(CCallHelpers& jit)
{
using BaselineJITRegisters::PrivateBrand::stubInfoGPR;
JITInlineCacheGenerator::generateDataICFastPath(jit, stubInfoGPR);
}
void JITPrivateBrandAccessGenerator::finalize(LinkBuffer& fastPath, LinkBuffer& slowPath)
{
ASSERT(m_stubInfo);
Base::finalize(fastPath, slowPath, fastPath.locationOf<JITStubRoutinePtrTag>(m_start));
ASSERT(!m_stubInfo->useDataIC);
}
} // namespace JSC
#endif // ENABLE(JIT)