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ChangeLog
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2010-03-03 Oliver Hunt <oliver@apple.com>
Reviewed by Gavin Barraclough.
Allow static property getters to interact with JSCs caching
https://bugs.webkit.org/show_bug.cgi?id=35716
Add new opcodes for handling cached lookup of static value getters.
More or less the same as with JS getters, all that changes is that
instead of calling through a JSFunction we always know that we have
a C function to call.
For the patching routines in the JIT we now need to pass a few
new parameters to allow us to pass enough information to the stub
function to allow us to call the C function correctly. Logically
this shouldn't actually be necessary as all of these functions ignore
the identifier, but removing the ident parameter would require
somewhat involved changes to the way we implement getOwnPropertySlot,
etc.
* bytecode/CodeBlock.cpp:
(JSC::CodeBlock::dump):
(JSC::CodeBlock::derefStructures):
(JSC::CodeBlock::refStructures):
* bytecode/Instruction.h:
(JSC::Instruction::Instruction):
(JSC::Instruction::):
* bytecode/Opcode.h:
* interpreter/Interpreter.cpp:
(JSC::Interpreter::tryCacheGetByID):
(JSC::Interpreter::privateExecute):
* jit/JIT.cpp:
(JSC::JIT::privateCompileMainPass):
* jit/JIT.h:
(JSC::JIT::compileGetByIdProto):
(JSC::JIT::compileGetByIdSelfList):
(JSC::JIT::compileGetByIdProtoList):
(JSC::JIT::compileGetByIdChainList):
(JSC::JIT::compileGetByIdChain):
* jit/JITPropertyAccess.cpp:
(JSC::JIT::privateCompileGetByIdProto):
(JSC::JIT::privateCompileGetByIdSelfList):
(JSC::JIT::privateCompileGetByIdProtoList):
(JSC::JIT::privateCompileGetByIdChainList):
(JSC::JIT::privateCompileGetByIdChain):
* jit/JITPropertyAccess32_64.cpp:
(JSC::JIT::privateCompileGetByIdProto):
(JSC::JIT::privateCompileGetByIdSelfList):
(JSC::JIT::privateCompileGetByIdProtoList):
(JSC::JIT::privateCompileGetByIdChainList):
(JSC::JIT::privateCompileGetByIdChain):
* jit/JITStubs.cpp:
(JSC::JITThunks::tryCacheGetByID):
(JSC::DEFINE_STUB_FUNCTION):
* jit/JITStubs.h:
(JSC::):
* runtime/JSFunction.cpp:
(JSC::JSFunction::getOwnPropertySlot):
* runtime/Lookup.h:
(JSC::getStaticPropertySlot):
(JSC::getStaticValueSlot):
* runtime/PropertySlot.h:
(JSC::PropertySlot::):
(JSC::PropertySlot::PropertySlot):
(JSC::PropertySlot::cachedPropertyType):
(JSC::PropertySlot::isCacheable):
(JSC::PropertySlot::isCacheableValue):
(JSC::PropertySlot::setValueSlot):
(JSC::PropertySlot::setCacheableCustom):
(JSC::PropertySlot::setGetterSlot):
(JSC::PropertySlot::setCacheableGetterSlot):
(JSC::PropertySlot::clearOffset):
(JSC::PropertySlot::customGetter):
2010-03-04 Shinichiro Hamaji <hamaji@chromium.org>
Unreviewed. Remove a non-ASCII character introduced in the following bug.
put_by_id does will incorrectly cache writes where a specific value exists, where at the point of caching the same value is being written.
https://bugs.webkit.org/show_bug.cgi?id=35537
* runtime/JSObject.h:
(JSC::JSObject::putDirectInternal):
2010-03-04 Jocelyn Turcotte <jocelyn.turcotte@nokia.com>
Reviewed by Tor Arne Vestbø.
[Qt] Make the OUTPUT_DIR variable in qmake projects independent of build-webkit's logic.
This also allows shadow builds relying only on qmake to work properly.
* jsc.pro:
* qt/api/QtScript.pro:
* qt/tests/qscriptengine/qscriptengine.pro:
* qt/tests/qscriptvalue/qscriptvalue.pro:
* qt/tests/tests.pri:
2010-03-03 Jedrzej Nowacki <jedrzej.nowacki@nokia.com>
Reviewed by Simon Hausmann.
QScriptValue::isObject fix.
Fix broken internal state evaluation from JSValue to JSNative / JSObject.
New function was introduced which should take care about promoting
JSValue state inside QScriptValuePrivate. It should be used instead of a
direct JSC C API call.
The bug exposed a weakness in autotest suite, as the QScriptValuePrivate
is based on state machine with lazy state evaluation, there is a possibility
that serial sequencial calls to the same public const function could return
different results. The patch fix the issue.
[Qt] Sometimes QScriptValue::isObject returns an incorrect value
https://bugs.webkit.org/show_bug.cgi?id=35387
* qt/api/qscriptvalue_p.h:
(QScriptValuePrivate::isBool):
(QScriptValuePrivate::isNumber):
(QScriptValuePrivate::isNull):
(QScriptValuePrivate::isString):
(QScriptValuePrivate::isUndefined):
(QScriptValuePrivate::isError):
(QScriptValuePrivate::isObject):
(QScriptValuePrivate::isFunction):
(QScriptValuePrivate::call):
(QScriptValuePrivate::refineJSValue):
* qt/tests/qscriptvalue/tst_qscriptvalue_generated.cpp:
(tst_QScriptValue::initScriptValues):
(tst_QScriptValue::isValid_makeData):
(tst_QScriptValue::isValid_test):
(tst_QScriptValue::isBool_makeData):
(tst_QScriptValue::isBool_test):
(tst_QScriptValue::isBoolean_makeData):
(tst_QScriptValue::isBoolean_test):
(tst_QScriptValue::isNumber_makeData):
(tst_QScriptValue::isNumber_test):
(tst_QScriptValue::isFunction_test):
(tst_QScriptValue::isNull_makeData):
(tst_QScriptValue::isNull_test):
(tst_QScriptValue::isString_makeData):
(tst_QScriptValue::isString_test):
(tst_QScriptValue::isUndefined_makeData):
(tst_QScriptValue::isUndefined_test):
(tst_QScriptValue::isObject_makeData):
(tst_QScriptValue::isObject_test):
(tst_QScriptValue::toString_makeData):
(tst_QScriptValue::toString_test):
(tst_QScriptValue::toNumber_makeData):
(tst_QScriptValue::toNumber_test):
(tst_QScriptValue::toBool_makeData):
(tst_QScriptValue::toBool_test):
(tst_QScriptValue::toBoolean_makeData):
(tst_QScriptValue::toBoolean_test):
(tst_QScriptValue::toInteger_makeData):
(tst_QScriptValue::toInteger_test):
(tst_QScriptValue::toInt32_makeData):
(tst_QScriptValue::toInt32_test):
(tst_QScriptValue::toUInt32_makeData):
(tst_QScriptValue::toUInt32_test):
(tst_QScriptValue::toUInt16_makeData):
(tst_QScriptValue::toUInt16_test):
2010-03-03 Chao-ying Fu <fu@mips.com>
Reviewed by Gavin Barraclough.
MIPS JIT Supports
https://bugs.webkit.org/show_bug.cgi?id=30144
The following changes enable MIPS YARR and YARR_JIT.
* assembler/AbstractMacroAssembler.h:
(JSC::AbstractMacroAssembler::Imm32::Imm32):
* assembler/MIPSAssembler.h: Added.
(JSC::MIPSRegisters::):
(JSC::MIPSAssembler::MIPSAssembler):
(JSC::MIPSAssembler::):
(JSC::MIPSAssembler::JmpSrc::JmpSrc):
(JSC::MIPSAssembler::JmpDst::JmpDst):
(JSC::MIPSAssembler::JmpDst::isUsed):
(JSC::MIPSAssembler::JmpDst::used):
(JSC::MIPSAssembler::emitInst):
(JSC::MIPSAssembler::nop):
(JSC::MIPSAssembler::loadDelayNop):
(JSC::MIPSAssembler::copDelayNop):
(JSC::MIPSAssembler::move):
(JSC::MIPSAssembler::li):
(JSC::MIPSAssembler::lui):
(JSC::MIPSAssembler::addiu):
(JSC::MIPSAssembler::addu):
(JSC::MIPSAssembler::subu):
(JSC::MIPSAssembler::mult):
(JSC::MIPSAssembler::mfhi):
(JSC::MIPSAssembler::mflo):
(JSC::MIPSAssembler::mul):
(JSC::MIPSAssembler::andInsn):
(JSC::MIPSAssembler::andi):
(JSC::MIPSAssembler::nor):
(JSC::MIPSAssembler::orInsn):
(JSC::MIPSAssembler::ori):
(JSC::MIPSAssembler::xorInsn):
(JSC::MIPSAssembler::xori):
(JSC::MIPSAssembler::slt):
(JSC::MIPSAssembler::sltu):
(JSC::MIPSAssembler::sltiu):
(JSC::MIPSAssembler::sll):
(JSC::MIPSAssembler::sllv):
(JSC::MIPSAssembler::sra):
(JSC::MIPSAssembler::srav):
(JSC::MIPSAssembler::lw):
(JSC::MIPSAssembler::lwl):
(JSC::MIPSAssembler::lwr):
(JSC::MIPSAssembler::lhu):
(JSC::MIPSAssembler::sw):
(JSC::MIPSAssembler::jr):
(JSC::MIPSAssembler::jalr):
(JSC::MIPSAssembler::jal):
(JSC::MIPSAssembler::bkpt):
(JSC::MIPSAssembler::bgez):
(JSC::MIPSAssembler::bltz):
(JSC::MIPSAssembler::beq):
(JSC::MIPSAssembler::bne):
(JSC::MIPSAssembler::bc1t):
(JSC::MIPSAssembler::bc1f):
(JSC::MIPSAssembler::newJmpSrc):
(JSC::MIPSAssembler::appendJump):
(JSC::MIPSAssembler::addd):
(JSC::MIPSAssembler::subd):
(JSC::MIPSAssembler::muld):
(JSC::MIPSAssembler::lwc1):
(JSC::MIPSAssembler::ldc1):
(JSC::MIPSAssembler::swc1):
(JSC::MIPSAssembler::sdc1):
(JSC::MIPSAssembler::mtc1):
(JSC::MIPSAssembler::mfc1):
(JSC::MIPSAssembler::truncwd):
(JSC::MIPSAssembler::cvtdw):
(JSC::MIPSAssembler::ceqd):
(JSC::MIPSAssembler::cngtd):
(JSC::MIPSAssembler::cnged):
(JSC::MIPSAssembler::cltd):
(JSC::MIPSAssembler::cled):
(JSC::MIPSAssembler::cueqd):
(JSC::MIPSAssembler::coled):
(JSC::MIPSAssembler::coltd):
(JSC::MIPSAssembler::culed):
(JSC::MIPSAssembler::cultd):
(JSC::MIPSAssembler::label):
(JSC::MIPSAssembler::align):
(JSC::MIPSAssembler::getRelocatedAddress):
(JSC::MIPSAssembler::getDifferenceBetweenLabels):
(JSC::MIPSAssembler::size):
(JSC::MIPSAssembler::executableCopy):
(JSC::MIPSAssembler::getCallReturnOffset):
(JSC::MIPSAssembler::linkJump):
(JSC::MIPSAssembler::linkCall):
(JSC::MIPSAssembler::linkPointer):
(JSC::MIPSAssembler::relinkJump):
(JSC::MIPSAssembler::relinkCall):
(JSC::MIPSAssembler::repatchInt32):
(JSC::MIPSAssembler::repatchPointer):
(JSC::MIPSAssembler::repatchLoadPtrToLEA):
(JSC::MIPSAssembler::relocateJumps):
(JSC::MIPSAssembler::linkWithOffset):
(JSC::MIPSAssembler::linkCallInternal):
* assembler/MacroAssembler.h:
* assembler/MacroAssemblerMIPS.h: Added.
(JSC::MacroAssemblerMIPS::MacroAssemblerMIPS):
(JSC::MacroAssemblerMIPS::):
(JSC::MacroAssemblerMIPS::add32):
(JSC::MacroAssemblerMIPS::and32):
(JSC::MacroAssemblerMIPS::lshift32):
(JSC::MacroAssemblerMIPS::mul32):
(JSC::MacroAssemblerMIPS::not32):
(JSC::MacroAssemblerMIPS::or32):
(JSC::MacroAssemblerMIPS::rshift32):
(JSC::MacroAssemblerMIPS::sub32):
(JSC::MacroAssemblerMIPS::xor32):
(JSC::MacroAssemblerMIPS::load32):
(JSC::MacroAssemblerMIPS::load32WithUnalignedHalfWords):
(JSC::MacroAssemblerMIPS::load32WithAddressOffsetPatch):
(JSC::MacroAssemblerMIPS::loadPtrWithPatchToLEA):
(JSC::MacroAssemblerMIPS::loadPtrWithAddressOffsetPatch):
(JSC::MacroAssemblerMIPS::load16):
(JSC::MacroAssemblerMIPS::store32WithAddressOffsetPatch):
(JSC::MacroAssemblerMIPS::store32):
(JSC::MacroAssemblerMIPS::supportsFloatingPoint):
(JSC::MacroAssemblerMIPS::supportsFloatingPointTruncate):
(JSC::MacroAssemblerMIPS::pop):
(JSC::MacroAssemblerMIPS::push):
(JSC::MacroAssemblerMIPS::move):
(JSC::MacroAssemblerMIPS::swap):
(JSC::MacroAssemblerMIPS::signExtend32ToPtr):
(JSC::MacroAssemblerMIPS::zeroExtend32ToPtr):
(JSC::MacroAssemblerMIPS::branch32):
(JSC::MacroAssemblerMIPS::branch32WithUnalignedHalfWords):
(JSC::MacroAssemblerMIPS::branch16):
(JSC::MacroAssemblerMIPS::branchTest32):
(JSC::MacroAssemblerMIPS::jump):
(JSC::MacroAssemblerMIPS::branchAdd32):
(JSC::MacroAssemblerMIPS::branchMul32):
(JSC::MacroAssemblerMIPS::branchSub32):
(JSC::MacroAssemblerMIPS::breakpoint):
(JSC::MacroAssemblerMIPS::nearCall):
(JSC::MacroAssemblerMIPS::call):
(JSC::MacroAssemblerMIPS::ret):
(JSC::MacroAssemblerMIPS::set32):
(JSC::MacroAssemblerMIPS::setTest32):
(JSC::MacroAssemblerMIPS::moveWithPatch):
(JSC::MacroAssemblerMIPS::branchPtrWithPatch):
(JSC::MacroAssemblerMIPS::storePtrWithPatch):
(JSC::MacroAssemblerMIPS::tailRecursiveCall):
(JSC::MacroAssemblerMIPS::makeTailRecursiveCall):
(JSC::MacroAssemblerMIPS::loadDouble):
(JSC::MacroAssemblerMIPS::storeDouble):
(JSC::MacroAssemblerMIPS::addDouble):
(JSC::MacroAssemblerMIPS::subDouble):
(JSC::MacroAssemblerMIPS::mulDouble):
(JSC::MacroAssemblerMIPS::convertInt32ToDouble):
(JSC::MacroAssemblerMIPS::insertRelaxationWords):
(JSC::MacroAssemblerMIPS::branchTrue):
(JSC::MacroAssemblerMIPS::branchFalse):
(JSC::MacroAssemblerMIPS::branchEqual):
(JSC::MacroAssemblerMIPS::branchNotEqual):
(JSC::MacroAssemblerMIPS::branchDouble):
(JSC::MacroAssemblerMIPS::branchTruncateDoubleToInt32):
(JSC::MacroAssemblerMIPS::linkCall):
(JSC::MacroAssemblerMIPS::repatchCall):
* jit/ExecutableAllocator.h:
(JSC::ExecutableAllocator::cacheFlush):
* wtf/Platform.h:
* yarr/RegexJIT.cpp:
(JSC::Yarr::RegexGenerator::generateEnter):
(JSC::Yarr::RegexGenerator::generateReturn):
2010-03-03 Steve Falkenburg <sfalken@apple.com>
Windows build fix.
* JavaScriptCore.vcproj/jsc/jsc.vcproj:
* JavaScriptCore.vcproj/jsc/jscCommon.vsprops:
2010-03-03 Steve Falkenburg <sfalken@apple.com>
Windows build fix.
* JavaScriptCore.vcproj/jsc/jsc.vcproj:
2010-03-03 Mark Rowe <mrowe@apple.com>
Reviewed by Geoff Garen.
Add virtual memory tags for TCMalloc and WebCore's purgeable buffers.
* wtf/TCSystemAlloc.cpp:
(TryMmap): Use the VM tag.
* wtf/VMTags.h: Make use of VM_MEMORY_TCMALLOC and VM_MEMORY_WEBCORE_PURGEABLE_BUFFERS.
2010-03-03 Steve Falkenburg <sfalken@apple.com>
Rubber stamped by Adam Roben.
Fix bogus xcopy that was polluting source tree at build time.
* JavaScriptCore.vcproj/JavaScriptCore/JavaScriptCoreCommon.vsprops:
2010-03-02 Fridrich Strba <fridrich.strba@bluewin.ch>
Reviewed by Oliver Hunt.
Allow building smoothly on win32 and win64 using GCC
https://bugs.webkit.org/show_bug.cgi?id=35607
* jit/JITStubs.h:
* runtime/Collector.cpp:
(JSC::Heap::allocateBlock):
(JSC::Heap::freeBlockPtr):
(JSC::currentThreadStackBase):
2010-03-02 Jeremy Orlow <jorlow@chromium.org>
Reviewed by David Levin.
Revert database thread changes that are no longer required
https://bugs.webkit.org/show_bug.cgi?id=35519
Jochen Eisinger created 55214 and 55247 to track which database
owns which thread. Dmitry suggested that this could also
be done via TLS, though. After exploring the options, Jochen
chose to go the TLS route, so these patches are no longer needed.
* wtf/Threading.h:
* wtf/ThreadingNone.cpp:
(WTF::isMainThread):
* wtf/ThreadingPthreads.cpp:
(WTF::identifierByPthreadHandle):
(WTF::establishIdentifierForPthreadHandle):
(WTF::pthreadHandleForIdentifier):
(WTF::createThreadInternal):
(WTF::currentThread):
* wtf/ThreadingWin.cpp:
(WTF::threadMap):
(WTF::storeThreadHandleByIdentifier):
(WTF::threadHandleForIdentifier):
(WTF::createThreadInternal):
2010-03-02 Jedrzej Nowacki <jedrzej.nowacki@nokia.com>
Reviewed by Simon Hausmann.
Fix QScriptValue::toString().
More ECMA Script compliance, especially for values as NaN, Inifinite
and really big/small numbers.
[Qt] QScriptValue::toString() returns incorrect values
https://bugs.webkit.org/show_bug.cgi?id=34850
* qt/api/qscriptconverter_p.h:
(QScriptConverter::toString):
* qt/api/qscriptvalue_p.h:
(QScriptValuePrivate::toString):
* qt/tests/qscriptvalue/tst_qscriptvalue.cpp:
* qt/tests/qscriptvalue/tst_qscriptvalue.h:
* qt/tests/qscriptvalue/tst_qscriptvalue_generated.cpp:
(tst_QScriptValue::toString_initData):
(tst_QScriptValue::toString_makeData):
(tst_QScriptValue::toString_test):
2010-03-02 Jedrzej Nowacki <jedrzej.nowacki@nokia.com>
Reviewed by Simon Hausmann.
Introduce a new class; QScriptString.
The QScriptString class should act as a handle to "interned"
strings in a QScriptEngine.
[Qt] QtScript should provide QScriptString
https://bugs.webkit.org/show_bug.cgi?id=34843
* qt/api/QtScript.pro:
* qt/api/qscriptengine.cpp:
(QScriptEngine::toStringHandle):
* qt/api/qscriptengine.h:
* qt/api/qscriptengine_p.h:
(QScriptEnginePrivate::toStringHandle):
* qt/api/qscriptstring.cpp: Added.
(QScriptString::QScriptString):
(QScriptString::~QScriptString):
(QScriptString::operator=):
(QScriptString::isValid):
(QScriptString::operator==):
(QScriptString::operator!=):
(QScriptString::toArrayIndex):
(QScriptString::toString):
(QScriptString::operator QString):
(qHash):
* qt/api/qscriptstring.h: Added.
* qt/api/qscriptstring_p.h: Added.
(QScriptStringPrivate::QScriptStringPrivate):
(QScriptStringPrivate::~QScriptStringPrivate):
(QScriptStringPrivate::get):
(QScriptStringPrivate::isValid):
(QScriptStringPrivate::operator==):
(QScriptStringPrivate::operator!=):
(QScriptStringPrivate::toArrayIndex):
(QScriptStringPrivate::toString):
(QScriptStringPrivate::id):
* qt/tests/qscriptstring/qscriptstring.pro: Added.
* qt/tests/qscriptstring/tst_qscriptstring.cpp: Added.
(tst_QScriptString::tst_QScriptString):
(tst_QScriptString::~tst_QScriptString):
(tst_QScriptString::test):
(tst_QScriptString::hash):
(tst_QScriptString::toArrayIndex_data):
(tst_QScriptString::toArrayIndex):
* qt/tests/tests.pro:
2010-03-02 Oliver Hunt <oliver@apple.com>
Reviewed by NOBODY (Build fix).
Export function on windows.
* JavaScriptCore.vcproj/JavaScriptCore/JavaScriptCore.def:
2010-03-01 Oliver Hunt <oliver@apple.com>
Reviewed by Maciej Stachowiak.
Refactor named getter function signature to be in line with indexing getter signature
https://bugs.webkit.org/show_bug.cgi?id=35563
This removes the PropertySlot argument from getter functions, and makes them directly
pass the slot base. This makes the semantics for the functions match that of the
indexing getters.
On the down side, this means that we can no longer simply use a proxy function for
JS getters, so we now add another marker value to indicate that a getter is present
and branch accordingly.
Against all rationality sunspider reports this as a perf win, but i suspect it's just noise.
* API/JSCallbackObject.h:
* API/JSCallbackObjectFunctions.h:
(JSC::::staticValueGetter):
(JSC::::staticFunctionGetter):
(JSC::::callbackGetter):
* JavaScriptCore.exp:
* runtime/JSActivation.cpp:
(JSC::JSActivation::argumentsGetter):
* runtime/JSActivation.h:
* runtime/JSFunction.cpp:
(JSC::JSFunction::argumentsGetter):
(JSC::JSFunction::callerGetter):
(JSC::JSFunction::lengthGetter):
* runtime/JSFunction.h:
* runtime/NumberConstructor.cpp:
(JSC::numberConstructorNaNValue):
(JSC::numberConstructorNegInfinity):
(JSC::numberConstructorPosInfinity):
(JSC::numberConstructorMaxValue):
(JSC::numberConstructorMinValue):
* runtime/PropertySlot.cpp:
(JSC::PropertySlot::functionGetter):
* runtime/PropertySlot.h:
(JSC::PropertySlot::getValue):
(JSC::PropertySlot::setGetterSlot):
(JSC::PropertySlot::setCacheableGetterSlot):
* runtime/RegExpConstructor.cpp:
(JSC::regExpConstructorDollar1):
(JSC::regExpConstructorDollar2):
(JSC::regExpConstructorDollar3):
(JSC::regExpConstructorDollar4):
(JSC::regExpConstructorDollar5):
(JSC::regExpConstructorDollar6):
(JSC::regExpConstructorDollar7):
(JSC::regExpConstructorDollar8):
(JSC::regExpConstructorDollar9):
(JSC::regExpConstructorInput):
(JSC::regExpConstructorMultiline):
(JSC::regExpConstructorLastMatch):
(JSC::regExpConstructorLastParen):
(JSC::regExpConstructorLeftContext):
(JSC::regExpConstructorRightContext):
* runtime/RegExpObject.cpp:
(JSC::regExpObjectGlobal):
(JSC::regExpObjectIgnoreCase):
(JSC::regExpObjectMultiline):
(JSC::regExpObjectSource):
(JSC::regExpObjectLastIndex):
2010-03-01 Oliver Hunt <oliver@apple.com>
Reviewed by Gavin Barraclough.
PropertySlot::getValue(ExecState, unsigned) unnecessarily converts index to an Identifier
https://bugs.webkit.org/show_bug.cgi?id=35561
Fix this by defining a separate property getter function for index getters. This allows
us to pass an unsigned number without the conversion to an Identifier. We then update
setCustomIndex to take this new getter type.
* runtime/PropertySlot.h:
(JSC::PropertySlot::getValue):
(JSC::PropertySlot::setCustom):
(JSC::PropertySlot::setCustomIndex):
2010-03-01 Gavin Barraclough <barraclough@apple.com>
Reviewed by Oliver Hunt.
Bug 35537 - put_by_id does will incorrectly cache writes where a specific value exists,
where at the point of caching the same value is being written.
When performing a put_by_id that is replacing a property already present on the object,
there are three interesting cases regarding the state of the specific value:
(1) No specific value set - nothing to do, leave the structure in it's current state,
can cache.
(2) A specific value was set, the new put is not of a specified value (i.e. function),
or is of a different specific value - in these cases we need to perform a despecifying
transition to clear the specific value in the structure, but having done so this is a
normal property so as such we can again cache normally.
(3) A specific value was set, and we are overwriting with the same value - in these cases
leave the structure unchanged, but since a specific value is set we cannot cache this
put (we would need the JIT to dynamically check the value being written matched).
Unfortunately, the current behaviour does not match this. the checks for a specific value
being present & the value matching are combined in such a way that in case (2), above we
will unnecessarily prevent the transition being cached, but in case (3) we will incorrectly
fail to prevent caching.
The bug exposes itself if multiple puts of the same specific value are performed to a
property, and erroneously the put is allowed to be cached by the JIT. Method checks may be
generated caching calls of this structure. Subsequent puts performed from JIT code may
write different values without triggering a despecify transition, and as such cached method
checks will continue to pass, despite the value having changed.
* runtime/JSObject.h:
(JSC::JSObject::putDirectInternal):
2010-03-01 Tor Arne Vestbø <tor.arne.vestbo@nokia.com>
Reviewed by Simon Hausmann.
Fix the Qt build on Mac OS X/Cocoa 64-bit
* JavaScriptCore.pri: Add missing implementation file to resolve JSC symbols
2010-02-26 Gavin Barraclough <barraclough@apple.com>
Rubber Stamped by Geoff Garen.
Remove wrec. All builds should have switched to yarr by now.
* Android.mk:
* GNUmakefile.am:
* JavaScriptCore.gypi:
* JavaScriptCore.pri:
* JavaScriptCore.vcproj/JavaScriptCore/JavaScriptCore.vcproj:
* JavaScriptCore.vcproj/JavaScriptCore/JavaScriptCoreCommon.vsprops:
* JavaScriptCore.vcproj/jsc/jscCommon.vsprops:
* JavaScriptCore.xcodeproj/project.pbxproj:
* runtime/RegExp.cpp:
(JSC::RegExp::match):
* runtime/RegExp.h:
* wrec: Removed.
* wrec/CharacterClass.cpp: Removed.
* wrec/CharacterClass.h: Removed.
* wrec/CharacterClassConstructor.cpp: Removed.
* wrec/CharacterClassConstructor.h: Removed.
* wrec/Escapes.h: Removed.
* wrec/Quantifier.h: Removed.
* wrec/WREC.cpp: Removed.
* wrec/WREC.h: Removed.
* wrec/WRECFunctors.cpp: Removed.
* wrec/WRECFunctors.h: Removed.
* wrec/WRECGenerator.cpp: Removed.
* wrec/WRECGenerator.h: Removed.
* wrec/WRECParser.cpp: Removed.
* wrec/WRECParser.h: Removed.
* wscript:
2010-02-26 Oliver Hunt <oliver@apple.com>
Reviewed by Geoff Garen.
Make the lookup table generator include an explicit cast to expected
type of the function. We do this because otherwise the blind intptr_t
cast that is subsequently applied allows incorrectly typed functions
to be inserted into the table, where they will only fail at runtime.
This change makes such errors produce a compile time failure.
* create_hash_table:
2010-02-26 Janne Koskinen <janne.p.koskinen@digia.com>
Reviewed by Simon Hausmann.
[Qt] Symbian specific getCPUTime implemetation
https://bugs.webkit.org/show_bug.cgi?id=34742
Default implementation doesn't work on Symbian devices.
This change adds a proper implementation by
asking thread execution time from the current thread.
* runtime/TimeoutChecker.cpp:
(JSC::getCPUTime):
2010-02-25 Alexey Proskuryakov <ap@apple.com>
Reviewed by Anders Carlsson.
https://bugs.webkit.org/show_bug.cgi?id=35406
<rdar://problem/6945502> Make generic array methods work with JavaArray
Renamed lazyCreationData to subclassData. This is extra data that can be used by JSArray
subclasses (you can't add new data members, because it wouldn't fit in JSCell otherwise).
* JavaScriptCore.exp:
* runtime/JSArray.cpp:
(JSC::JSArray::JSArray):
(JSC::JSArray::subclassData):
(JSC::JSArray::setSubclassData):
* runtime/JSArray.h:
* runtime/RegExpConstructor.cpp:
(JSC::RegExpMatchesArray::RegExpMatchesArray):
(JSC::RegExpMatchesArray::~RegExpMatchesArray):
(JSC::RegExpMatchesArray::fillArrayInstance):
* runtime/RegExpMatchesArray.h:
(JSC::RegExpMatchesArray::getOwnPropertySlot):
(JSC::RegExpMatchesArray::getOwnPropertyDescriptor):
(JSC::RegExpMatchesArray::put):
(JSC::RegExpMatchesArray::deleteProperty):
(JSC::RegExpMatchesArray::getOwnPropertyNames):
2010-02-25 Oliver Hunt <oliver@apple.com>
Reviewed by Geoff Garen.
JSC crashes like crazy in the JSPropertyNameIterator destructor
Add back null check of m_cachedStructure. Curse last minute changes.
* runtime/JSPropertyNameIterator.cpp:
(JSC::JSPropertyNameIterator::~JSPropertyNameIterator):
2010-02-25 Oliver Hunt <oliver@apple.com>
Reviewed by Maciej Stachowiak.
Race condition in JSPropertyNameIterator and Structure destruction
https://bugs.webkit.org/show_bug.cgi?id=35398
JSPropertyNameIterator and Structure have a cyclic dependency that they
manage by clearing the appropriate reference in each other during their
destruction. However if the Structure is destroyed while the
JSPropertyNameIterator is dead but not yet finalized the Structures
WeakGCPtr will return null, and so prevent Structure from clearing
the m_cachedStructure pointer of the iterator. When the iterator is
then finalised the m_cachedStructure is invalid, and the attempt to
clear the structures back reference fails.
To fix this we simply make JSPropertyNameIterator keep the Structure
alive, using the weak pointer to break the ref cycle.
* runtime/JSPropertyNameIterator.cpp:
(JSC::JSPropertyNameIterator::~JSPropertyNameIterator):
The iterator now keeps m_cachedStructure alive itself, so no longer needs
to check for it being cleared
* runtime/JSPropertyNameIterator.h:
(JSC::JSPropertyNameIterator::setCachedStructure):
Add an assertion to ensure correct usage
(JSC::JSPropertyNameIterator::cachedStructure):
Add .get()
* runtime/Structure.cpp:
(JSC::Structure::~Structure):
Add an assertion that our iterator isn't already dead, and remove
the now unnecessary attempt to clear the ref in the iterator
* runtime/WeakGCPtr.h:
(JSC::WeakGCPtr::hasDeadObject):
An assert-only function to allow us to assert correct behaviour
in the Structure destructor
2010-02-25 Jochen Eisinger <jochen@chromium.org>
Reviewed by Jeremy Orlow.
Make the context that was passed to the ThreadFunction accessible.
https://bugs.webkit.org/show_bug.cgi?id=35379
When a database is opened, right now you
don't have any context from where it is opened. The problem is that
the actual calls that open a database go through the sqlite3 vfs
layer, so there's no easy way to pass this function down to to
platform/sql/chromium/SQLFileSystemChromium*.cpp
This patch will allow you to get from anywhere within webkit a pointer
to the Thread object that actually created the thread you're currently
on (in case of the database, this can be either a thread forked of
from the main thread or from a worker thread), and query the object
for context information.
* wtf/Threading.h:
* wtf/ThreadingNone.cpp:
(WTF::threadContext):
* wtf/ThreadingPthreads.cpp:
(WTF::):
(WTF::identifierByPthreadHandle):
(WTF::establishIdentifierForPthreadHandle):
(WTF::pthreadHandleForIdentifier):
(WTF::contextForIdentifier):
(WTF::createThreadInternal):
(WTF::currentThread):
(WTF::threadContext):
* wtf/ThreadingWin.cpp:
(WTF::):
(WTF::threadMap):
(WTF::storeThreadHandleByIdentifier):
(WTF::threadHandleForIdentifier):
(WTF::contextForIdentifier):
(WTF::createThreadInternal):
(WTF::threadContext):
2010-02-25 Jeremy Orlow <jorlow@chromium.org>
Reverting to re-submit with better change log.
* wtf/Threading.h:
* wtf/ThreadingNone.cpp:
(WTF::isMainThread):
* wtf/ThreadingPthreads.cpp:
(WTF::identifierByPthreadHandle):
(WTF::establishIdentifierForPthreadHandle):
(WTF::pthreadHandleForIdentifier):
(WTF::createThreadInternal):
(WTF::currentThread):
* wtf/ThreadingWin.cpp:
(WTF::threadMap):
(WTF::storeThreadHandleByIdentifier):
(WTF::threadHandleForIdentifier):
(WTF::createThreadInternal):
2010-02-25 Jochen Eisinger <jochen@chromium.org>
Reviewed by Jeremy Orlow.
Make the context that was passed to the ThreadFunction accessible.
https://bugs.webkit.org/show_bug.cgi?id=35379
* wtf/Threading.h:
* wtf/ThreadingNone.cpp:
(WTF::threadContext):
* wtf/ThreadingPthreads.cpp:
(WTF::):
(WTF::identifierByPthreadHandle):
(WTF::establishIdentifierForPthreadHandle):
(WTF::pthreadHandleForIdentifier):
(WTF::contextForIdentifier):
(WTF::createThreadInternal):
(WTF::currentThread):
(WTF::threadContext):
* wtf/ThreadingWin.cpp:
(WTF::):
(WTF::threadMap):
(WTF::storeThreadHandleByIdentifier):
(WTF::threadHandleForIdentifier):
(WTF::contextForIdentifier):
(WTF::createThreadInternal):
(WTF::threadContext):
2010-02-24 Oliver Hunt <oliver@apple.com>
Reviewed by Geoffrey Garen.
[REGRESSION in r55185] EXC_BAD_ACCESS on opening inspector.
https://bugs.webkit.org/show_bug.cgi?id=35335
compileGetDirectOffset modifies the contents of the object register
when the object is not using the inline storage array. As the object
register contains our 'this' pointer we can't allow it to be clobbered.
The fix is simply to copy the register into a separate scratch register
when we're loading off an object that doesn't use inline storage.
* jit/JITPropertyAccess.cpp:
(JSC::JIT::privateCompileGetByIdSelfList):
* jit/JITPropertyAccess32_64.cpp:
(JSC::JIT::privateCompileGetByIdSelfList):
2010-02-24 Oliver Hunt <oliver@apple.com>
Reviewed by Gavin Barraclough.
Speed up getter performance in the jit
https://bugs.webkit.org/show_bug.cgi?id=35332
Implement getter lookup caching in the interpreter.
The getter stubs are generated through basically the
same code paths as the normal get_by_id caching.
Instead of simply loading a property and returning,
we load the getter slot, and pass the getter, base value
and return address to a shared stub used for getter
dispatch.
* jit/JIT.h:
(JSC::JIT::compileGetByIdProto):
(JSC::JIT::compileGetByIdSelfList):
(JSC::JIT::compileGetByIdProtoList):
(JSC::JIT::compileGetByIdChainList):
(JSC::JIT::compileGetByIdChain):
* jit/JITPropertyAccess.cpp:
(JSC::JIT::privateCompileGetByIdProto):
(JSC::JIT::privateCompileGetByIdSelfList):
(JSC::JIT::privateCompileGetByIdProtoList):
(JSC::JIT::privateCompileGetByIdChainList):
(JSC::JIT::privateCompileGetByIdChain):
* jit/JITPropertyAccess32_64.cpp:
(JSC::JIT::privateCompileGetByIdProto):
(JSC::JIT::privateCompileGetByIdSelfList):
(JSC::JIT::privateCompileGetByIdProtoList):
(JSC::JIT::privateCompileGetByIdChainList):
(JSC::JIT::privateCompileGetByIdChain):
* jit/JITStubs.cpp:
(JSC::JITThunks::tryCacheGetByID):
(JSC::DEFINE_STUB_FUNCTION):
* jit/JITStubs.h:
(JSC::):
* runtime/GetterSetter.h:
2010-02-23 Oliver Hunt <oliver@apple.com>
Reviewed by Maciej Stachowiak.
Web Inspector: Regression: r55027+: Inspector broken
https://bugs.webkit.org/show_bug.cgi?id=35253
op_get_by_id_getter_chain was not passing the correct this parameter.
The bug was caused by incorrect use of baseCell instead of baseValue,
baseValue contains the original object for the lookup (and hence the
correct this object), baseCell is clobbered as part of walking the
prototype chain.
* interpreter/Interpreter.cpp:
(JSC::Interpreter::privateExecute):
2010-02-23 Gustavo Noronha Silva <gns@gnome.org>
Rubber-stamped by Dimitri Glazkov.
Chromium build fix.
* JavaScriptCore.gyp/JavaScriptCore.gyp:
2010-02-23 Leandro Pereira <leandro@profusion.mobi>
Reviewed by Gustavo Noronha Silva.
Changes references of GOwnPtr to reflect their new place.
http://webkit.org/b/35084
* JavaScriptCore/JavaScriptCore.gypi:
* JavaScriptCore/wtf/Threading.h:
* JavaScriptCore/wtf/unicode/glib/UnicodeGLib.h:
2010-02-23 Leandro Pereira <leandro@profusion.mobi>
Reviewed by Kenneth Rohde Christiansen.
Adding the EFL implementation of JavaScriptCore.
See https://bugs.webkit.org/show_bug.cgi?id=35084 for details.
* GNUmakefile.am: Updated to reflect the new location of GOwnPtr and
GRefPtr.
* wtf/efl/MainThreadEfl.cpp: Added.
* wtf/gobject/GOwnPtr.cpp: Moved from wtf/gtk.
* wtf/gobject/GOwnPtr.h: Moved from wtf/gtk.
* wtf/gobject/GRefPtr.cpp: Moved from wtf/gtk.
* wtf/gobject/GRefPtr.h: Moved from wtf/gtk.
2010-02-22 Julien Chaffraix <jchaffraix@webkit.org>
Reviewed by Darin Adler.
Remove auto_ptr usage in JavaScriptCore.
https://bugs.webkit.org/show_bug.cgi?id=35221
* parser/Nodes.h: Removed now unneeded adopt method.
* parser/Parser.cpp: Removed <memory> include as it is not required anymore.
* wtf/OwnPtr.h: Removed the constructor from auto_ptr.
* wtf/VectorTraits.h: Removed a template specialization for auto_ptr.
* wtf/unicode/Collator.h: Made userDefault return a PassOwnPtr.
* wtf/unicode/CollatorDefault.cpp:
(WTF::Collator::userDefault): Changed the method to match the next signature.
* wtf/unicode/icu/CollatorICU.cpp:
(WTF::Collator::userDefault): Ditto.
2010-02-22 Huahui Wu <hwu@google.com>
Reviewed by Eric Seidel.
Add code that enables SquirrelFish Extreme (a.k.a JSCX, JSC JIT)
in Android. It's disabled by default, but is enabled when the
enveronment variable ENABLE_JSC_JIT is set to true.
https://bugs.webkit.org/show_bug.cgi?id=34855
* Android.mk:
* wtf/Platform.h:
2010-02-22 Gavin Barraclough <barraclough@apple.com>
Reviewed by Oliver Hunt.
JSStringBuilder should not CRASH if allocation fails, it should throw a JSException.
* runtime/JSGlobalObjectFunctions.cpp:
* runtime/JSStringBuilder.h:
(JSC::JSStringBuilder::JSStringBuilder):
(JSC::JSStringBuilder::append):
(JSC::JSStringBuilder::build):
* runtime/StringBuilder.h:
(JSC::StringBuilder::build):
* wtf/Vector.h:
(WTF::VectorBufferBase::tryAllocateBuffer):
(WTF::):
(WTF::VectorBuffer::tryAllocateBuffer):
(WTF::::tryExpandCapacity):
(WTF::::tryReserveCapacity):
(WTF::::tryAppend):
2010-02-22 Kwang Yul Seo <skyul@company100.net>
Reviewed by Eric Seidel.
[BREWMP] Map FastMalloc to BREW memory allocator
https://bugs.webkit.org/show_bug.cgi?id=33570
Use MALLOC macro instead of the standard malloc function.