Reviewed by Oliver Hunt.

        Reduce use of void* / reinterpret_cast in JIT repatching code,
        add strong types for Calls and for the various types of pointers
        we retain into the JIT generated instruction stream.

        No performance impact.

        * assembler/AbstractMacroAssembler.h:
        (JSC::AbstractMacroAssembler::ImmPtr::ImmPtr):
        (JSC::AbstractMacroAssembler::ImmPtr::asIntptr):
        (JSC::AbstractMacroAssembler::Imm32::Imm32):
        (JSC::AbstractMacroAssembler::Label::Label):
        (JSC::AbstractMacroAssembler::DataLabelPtr::DataLabelPtr):
        (JSC::AbstractMacroAssembler::Call::Call):
        (JSC::AbstractMacroAssembler::Call::link):
        (JSC::AbstractMacroAssembler::Call::linkTo):
        (JSC::AbstractMacroAssembler::Jump::Jump):
        (JSC::AbstractMacroAssembler::Jump::linkTo):
        (JSC::AbstractMacroAssembler::CodeLocationCommon::CodeLocationCommon):
        (JSC::AbstractMacroAssembler::CodeLocationCommon::operator bool):
        (JSC::AbstractMacroAssembler::CodeLocationCommon::reset):
        (JSC::AbstractMacroAssembler::CodeLocationLabel::CodeLocationLabel):
        (JSC::AbstractMacroAssembler::CodeLocationLabel::addressForSwitch):
        (JSC::AbstractMacroAssembler::CodeLocationLabel::addressForExceptionHandler):
        (JSC::AbstractMacroAssembler::CodeLocationLabel::addressForJSR):
        (JSC::AbstractMacroAssembler::CodeLocationLabel::getJumpDestination):
        (JSC::AbstractMacroAssembler::CodeLocationJump::CodeLocationJump):
        (JSC::AbstractMacroAssembler::CodeLocationJump::relink):
        (JSC::AbstractMacroAssembler::CodeLocationCall::CodeLocationCall):
        (JSC::AbstractMacroAssembler::CodeLocationCall::relink):
        (JSC::AbstractMacroAssembler::CodeLocationCall::calleeReturnAddressValue):
        (JSC::AbstractMacroAssembler::CodeLocationDataLabel32::CodeLocationDataLabel32):
        (JSC::AbstractMacroAssembler::CodeLocationDataLabel32::repatch):
        (JSC::AbstractMacroAssembler::CodeLocationDataLabelPtr::CodeLocationDataLabelPtr):
        (JSC::AbstractMacroAssembler::CodeLocationDataLabelPtr::repatch):
        (JSC::AbstractMacroAssembler::ProcessorReturnAddress::ProcessorReturnAddress):
        (JSC::AbstractMacroAssembler::ProcessorReturnAddress::relinkCallerToFunction):
        (JSC::AbstractMacroAssembler::ProcessorReturnAddress::operator void*):
        (JSC::AbstractMacroAssembler::PatchBuffer::entry):
        (JSC::AbstractMacroAssembler::PatchBuffer::trampolineAt):
        (JSC::AbstractMacroAssembler::PatchBuffer::link):
        (JSC::AbstractMacroAssembler::PatchBuffer::linkTailRecursive):
        (JSC::AbstractMacroAssembler::PatchBuffer::patch):
        (JSC::AbstractMacroAssembler::PatchBuffer::locationOf):
        (JSC::AbstractMacroAssembler::PatchBuffer::returnAddressOffset):
        (JSC::AbstractMacroAssembler::differenceBetween):
        (JSC::::CodeLocationCommon::labelAtOffset):
        (JSC::::CodeLocationCommon::jumpAtOffset):
        (JSC::::CodeLocationCommon::callAtOffset):
        (JSC::::CodeLocationCommon::dataLabelPtrAtOffset):
        (JSC::::CodeLocationCommon::dataLabel32AtOffset):
        * assembler/MacroAssemblerX86Common.h:
        (JSC::MacroAssemblerX86Common::call):
        * assembler/X86Assembler.h:
        (JSC::X86Assembler::getCallReturnOffset):
        * bytecode/CodeBlock.h:
        (JSC::CallLinkInfo::CallLinkInfo):
        (JSC::getStructureStubInfoReturnLocation):
        (JSC::getCallLinkInfoReturnLocation):
        * bytecode/Instruction.h:
        (JSC::PolymorphicAccessStructureList::PolymorphicStubInfo::set):
        (JSC::PolymorphicAccessStructureList::PolymorphicAccessStructureList):
        * bytecode/JumpTable.h:
        (JSC::StringJumpTable::ctiForValue):
        (JSC::SimpleJumpTable::ctiForValue):
        * bytecode/StructureStubInfo.h:
        (JSC::StructureStubInfo::StructureStubInfo):
        * bytecompiler/BytecodeGenerator.cpp:
        (JSC::BytecodeGenerator::emitCatch):
        (JSC::prepareJumpTableForStringSwitch):
        * interpreter/Interpreter.cpp:
        (JSC::Interpreter::cti_op_get_by_id_self_fail):
        (JSC::getPolymorphicAccessStructureListSlot):
        (JSC::Interpreter::cti_op_throw):
        (JSC::Interpreter::cti_op_switch_imm):
        (JSC::Interpreter::cti_op_switch_char):
        (JSC::Interpreter::cti_op_switch_string):
        (JSC::Interpreter::cti_vm_throw):
        * jit/JIT.cpp:
        (JSC::ctiSetReturnAddress):
        (JSC::ctiPatchCallByReturnAddress):
        (JSC::JIT::privateCompile):
        (JSC::JIT::privateCompileCTIMachineTrampolines):
        * jit/JIT.h:
        (JSC::CallRecord::CallRecord):
        (JSC::JIT::compileGetByIdSelf):
        (JSC::JIT::compileGetByIdProto):
        (JSC::JIT::compileGetByIdChain):
        (JSC::JIT::compilePutByIdReplace):
        (JSC::JIT::compilePutByIdTransition):
        (JSC::JIT::compilePatchGetArrayLength):
        (JSC::JIT::emitCTICall):
        * jit/JITCall.cpp:
        (JSC::JIT::unlinkCall):
        (JSC::JIT::linkCall):
        * jit/JITInlineMethods.h:
        (JSC::JIT::emitNakedCall):
        (JSC::JIT::emitCTICall_internal):
        * jit/JITPropertyAccess.cpp:
        (JSC::JIT::compileGetByIdSlowCase):
        (JSC::JIT::compilePutByIdSlowCase):
        (JSC::JIT::privateCompilePutByIdTransition):
        (JSC::JIT::patchGetByIdSelf):
        (JSC::JIT::patchPutByIdReplace):
        (JSC::JIT::privateCompilePatchGetArrayLength):
        (JSC::JIT::privateCompileGetByIdSelf):
        (JSC::JIT::privateCompileGetByIdProto):
        (JSC::JIT::privateCompileGetByIdSelfList):
        (JSC::JIT::privateCompileGetByIdProtoList):
        (JSC::JIT::privateCompileGetByIdChainList):
        (JSC::JIT::privateCompileGetByIdChain):
        (JSC::JIT::privateCompilePutByIdReplace):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@40846 268f45cc-cd09-0410-ab3c-d52691b4dbfc