| /* |
| * Copyright (C) 2011 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. |
| */ |
| |
| #ifndef DFGOperations_h |
| #define DFGOperations_h |
| |
| #if ENABLE(DFG_JIT) |
| |
| #include "DFGJITCompiler.h" |
| #include "PutKind.h" |
| |
| namespace JSC { |
| |
| namespace DFG { |
| |
| extern "C" { |
| |
| #if CALLING_CONVENTION_IS_STDCALL |
| #define DFG_OPERATION CDECL |
| #else |
| #define DFG_OPERATION |
| #endif |
| |
| // These typedefs provide typechecking when generating calls out to helper routines; |
| // this helps prevent calling a helper routine with the wrong arguments! |
| /* |
| Key: |
| V: void |
| J: JSValue |
| P: pointer (void*) |
| C: JSCell* |
| A: JSArray* |
| S: size_t |
| Z: int32_t |
| D: double |
| I: Identifier* |
| G: GlobalResolveInfo* |
| */ |
| typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_E)(ExecState*); |
| typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EA)(ExecState*, JSArray*); |
| typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EAZ)(ExecState*, JSArray*, int32_t); |
| typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_ECC)(ExecState*, JSCell*, JSCell*); |
| typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_ECI)(ExecState*, JSCell*, Identifier*); |
| typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_ECJ)(ExecState*, JSCell*, EncodedJSValue); |
| typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EDA)(ExecState*, double, JSArray*); |
| typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EGriJsgI)(ExecState*, ResolveOperation*, JSGlobalObject*, Identifier*); |
| typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EI)(ExecState*, Identifier*); |
| typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EIRo)(ExecState*, Identifier*, ResolveOperations*); |
| typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EIRoPtbo)(ExecState*, Identifier*, ResolveOperations*, PutToBaseOperation*); |
| typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EJ)(ExecState*, EncodedJSValue); |
| typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EJA)(ExecState*, EncodedJSValue, JSArray*); |
| typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EJI)(ExecState*, EncodedJSValue, Identifier*); |
| typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EJJ)(ExecState*, EncodedJSValue, EncodedJSValue); |
| typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EJP)(ExecState*, EncodedJSValue, void*); |
| typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EP)(ExecState*, void*); |
| typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EPP)(ExecState*, void*, void*); |
| typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EPS)(ExecState*, void*, size_t); |
| typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_ESS)(ExecState*, size_t, size_t); |
| typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EZ)(ExecState*, int32_t); |
| typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EZIcfZ)(ExecState*, int32_t, InlineCallFrame*, int32_t); |
| typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EZZ)(ExecState*, int32_t, int32_t); |
| typedef JSCell* DFG_OPERATION (*C_DFGOperation_E)(ExecState*); |
| typedef JSCell* DFG_OPERATION (*C_DFGOperation_EC)(ExecState*, JSCell*); |
| typedef JSCell* DFG_OPERATION (*C_DFGOperation_ECC)(ExecState*, JSCell*, JSCell*); |
| typedef JSCell* DFG_OPERATION (*C_DFGOperation_EIcf)(ExecState*, InlineCallFrame*); |
| typedef JSCell* DFG_OPERATION (*C_DFGOperation_ESt)(ExecState*, Structure*); |
| typedef double DFG_OPERATION (*D_DFGOperation_DD)(double, double); |
| typedef double DFG_OPERATION (*D_DFGOperation_ZZ)(int32_t, int32_t); |
| typedef double DFG_OPERATION (*D_DFGOperation_EJ)(ExecState*, EncodedJSValue); |
| typedef int32_t DFG_OPERATION (*Z_DFGOperation_D)(double); |
| typedef size_t DFG_OPERATION (*S_DFGOperation_ECC)(ExecState*, JSCell*, JSCell*); |
| typedef size_t DFG_OPERATION (*S_DFGOperation_EJ)(ExecState*, EncodedJSValue); |
| typedef size_t DFG_OPERATION (*S_DFGOperation_EJJ)(ExecState*, EncodedJSValue, EncodedJSValue); |
| typedef size_t DFG_OPERATION (*S_DFGOperation_J)(EncodedJSValue); |
| typedef void DFG_OPERATION (*V_DFGOperation_EOZD)(ExecState*, JSObject*, int32_t, double); |
| typedef void DFG_OPERATION (*V_DFGOperation_EOZJ)(ExecState*, JSObject*, int32_t, EncodedJSValue); |
| typedef void DFG_OPERATION (*V_DFGOperation_EC)(ExecState*, JSCell*); |
| typedef void DFG_OPERATION (*V_DFGOperation_ECIcf)(ExecState*, JSCell*, InlineCallFrame*); |
| typedef void DFG_OPERATION (*V_DFGOperation_ECCIcf)(ExecState*, JSCell*, JSCell*, InlineCallFrame*); |
| typedef void DFG_OPERATION (*V_DFGOperation_ECJJ)(ExecState*, JSCell*, EncodedJSValue, EncodedJSValue); |
| typedef void DFG_OPERATION (*V_DFGOperation_ECZ)(ExecState*, JSCell*, int32_t); |
| typedef void DFG_OPERATION (*V_DFGOperation_ECC)(ExecState*, JSCell*, JSCell*); |
| typedef void DFG_OPERATION (*V_DFGOperation_EJCI)(ExecState*, EncodedJSValue, JSCell*, Identifier*); |
| typedef void DFG_OPERATION (*V_DFGOperation_EJJJ)(ExecState*, EncodedJSValue, EncodedJSValue, EncodedJSValue); |
| typedef void DFG_OPERATION (*V_DFGOperation_EJPP)(ExecState*, EncodedJSValue, EncodedJSValue, void*); |
| typedef void DFG_OPERATION (*V_DFGOperation_EPZJ)(ExecState*, void*, int32_t, EncodedJSValue); |
| typedef void DFG_OPERATION (*V_DFGOperation_W)(WatchpointSet*); |
| typedef char* DFG_OPERATION (*P_DFGOperation_E)(ExecState*); |
| typedef char* DFG_OPERATION (*P_DFGOperation_EO)(ExecState*, JSObject*); |
| typedef char* DFG_OPERATION (*P_DFGOperation_EOS)(ExecState*, JSObject*, size_t); |
| typedef char* DFG_OPERATION (*P_DFGOperation_EOZ)(ExecState*, JSObject*, int32_t); |
| typedef char* DFG_OPERATION (*P_DFGOperation_EPS)(ExecState*, void*, size_t); |
| typedef char* DFG_OPERATION (*P_DFGOperation_ES)(ExecState*, size_t); |
| typedef char* DFG_OPERATION (*P_DFGOperation_ESt)(ExecState*, Structure*); |
| typedef char* DFG_OPERATION (*P_DFGOperation_EStPS)(ExecState*, Structure*, void*, size_t); |
| typedef char* DFG_OPERATION (*P_DFGOperation_EStSS)(ExecState*, Structure*, size_t, size_t); |
| typedef char* DFG_OPERATION (*P_DFGOperation_EStZ)(ExecState*, Structure*, int32_t); |
| typedef StringImpl* DFG_OPERATION (*Str_DFGOperation_EJss)(ExecState*, JSString*); |
| |
| // These routines are provide callbacks out to C++ implementations of operations too complex to JIT. |
| JSCell* DFG_OPERATION operationNewObject(ExecState*, Structure*) WTF_INTERNAL; |
| JSCell* DFG_OPERATION operationCreateThis(ExecState*, JSCell* constructor) WTF_INTERNAL; |
| EncodedJSValue DFG_OPERATION operationConvertThis(ExecState*, EncodedJSValue encodedOp1) WTF_INTERNAL; |
| EncodedJSValue DFG_OPERATION operationValueAdd(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL; |
| EncodedJSValue DFG_OPERATION operationValueAddNotNumber(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL; |
| EncodedJSValue DFG_OPERATION operationGetByVal(ExecState*, EncodedJSValue encodedBase, EncodedJSValue encodedProperty) WTF_INTERNAL; |
| EncodedJSValue DFG_OPERATION operationGetByValCell(ExecState*, JSCell*, EncodedJSValue encodedProperty) WTF_INTERNAL; |
| EncodedJSValue DFG_OPERATION operationGetByValArrayInt(ExecState*, JSArray*, int32_t) WTF_INTERNAL; |
| EncodedJSValue DFG_OPERATION operationGetById(ExecState*, EncodedJSValue, Identifier*) WTF_INTERNAL; |
| EncodedJSValue DFG_OPERATION operationGetByIdBuildList(ExecState*, EncodedJSValue, Identifier*) WTF_INTERNAL; |
| EncodedJSValue DFG_OPERATION operationGetByIdProtoBuildList(ExecState*, EncodedJSValue, Identifier*) WTF_INTERNAL; |
| EncodedJSValue DFG_OPERATION operationGetByIdOptimize(ExecState*, EncodedJSValue, Identifier*) WTF_INTERNAL; |
| EncodedJSValue DFG_OPERATION operationCallCustomGetter(ExecState*, JSCell*, PropertySlot::GetValueFunc, Identifier*) WTF_INTERNAL; |
| EncodedJSValue DFG_OPERATION operationCallGetter(ExecState*, JSCell*, JSCell*) WTF_INTERNAL; |
| void DFG_OPERATION operationNotifyGlobalVarWrite(WatchpointSet* watchpointSet) WTF_INTERNAL; |
| EncodedJSValue DFG_OPERATION operationResolve(ExecState*, Identifier*, ResolveOperations*) WTF_INTERNAL; |
| EncodedJSValue DFG_OPERATION operationResolveBase(ExecState*, Identifier*, ResolveOperations*, PutToBaseOperation*) WTF_INTERNAL; |
| EncodedJSValue DFG_OPERATION operationResolveBaseStrictPut(ExecState*, Identifier*, ResolveOperations*, PutToBaseOperation*) WTF_INTERNAL; |
| EncodedJSValue DFG_OPERATION operationResolveGlobal(ExecState*, ResolveOperation*, JSGlobalObject*, Identifier*) WTF_INTERNAL; |
| EncodedJSValue DFG_OPERATION operationToPrimitive(ExecState*, EncodedJSValue) WTF_INTERNAL; |
| EncodedJSValue DFG_OPERATION operationStrCat(ExecState*, void*, size_t) WTF_INTERNAL; |
| char* DFG_OPERATION operationNewArray(ExecState*, Structure*, void*, size_t) WTF_INTERNAL; |
| char* DFG_OPERATION operationNewArrayBuffer(ExecState*, Structure*, size_t, size_t) WTF_INTERNAL; |
| char* DFG_OPERATION operationNewEmptyArray(ExecState*, Structure*) WTF_INTERNAL; |
| char* DFG_OPERATION operationNewArrayWithSize(ExecState*, Structure*, int32_t) WTF_INTERNAL; |
| EncodedJSValue DFG_OPERATION operationNewRegexp(ExecState*, void*) WTF_INTERNAL; |
| void DFG_OPERATION operationPutByValStrict(ExecState*, EncodedJSValue encodedBase, EncodedJSValue encodedProperty, EncodedJSValue encodedValue) WTF_INTERNAL; |
| void DFG_OPERATION operationPutByValNonStrict(ExecState*, EncodedJSValue encodedBase, EncodedJSValue encodedProperty, EncodedJSValue encodedValue) WTF_INTERNAL; |
| void DFG_OPERATION operationPutByValCellStrict(ExecState*, JSCell*, EncodedJSValue encodedProperty, EncodedJSValue encodedValue) WTF_INTERNAL; |
| void DFG_OPERATION operationPutByValCellNonStrict(ExecState*, JSCell*, EncodedJSValue encodedProperty, EncodedJSValue encodedValue) WTF_INTERNAL; |
| void DFG_OPERATION operationPutByValBeyondArrayBoundsStrict(ExecState*, JSObject*, int32_t index, EncodedJSValue encodedValue) WTF_INTERNAL; |
| void DFG_OPERATION operationPutByValBeyondArrayBoundsNonStrict(ExecState*, JSObject*, int32_t index, EncodedJSValue encodedValue) WTF_INTERNAL; |
| void DFG_OPERATION operationPutDoubleByValBeyondArrayBoundsStrict(ExecState*, JSObject*, int32_t index, double value) WTF_INTERNAL; |
| void DFG_OPERATION operationPutDoubleByValBeyondArrayBoundsNonStrict(ExecState*, JSObject*, int32_t index, double value) WTF_INTERNAL; |
| EncodedJSValue DFG_OPERATION operationArrayPush(ExecState*, EncodedJSValue encodedValue, JSArray*) WTF_INTERNAL; |
| EncodedJSValue DFG_OPERATION operationArrayPushDouble(ExecState*, double value, JSArray*) WTF_INTERNAL; |
| EncodedJSValue DFG_OPERATION operationArrayPop(ExecState*, JSArray*) WTF_INTERNAL; |
| EncodedJSValue DFG_OPERATION operationArrayPopAndRecoverLength(ExecState*, JSArray*) WTF_INTERNAL; |
| EncodedJSValue DFG_OPERATION operationRegExpExec(ExecState*, JSCell*, JSCell*) WTF_INTERNAL; |
| void DFG_OPERATION operationPutByIdStrict(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL; |
| void DFG_OPERATION operationPutByIdNonStrict(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL; |
| void DFG_OPERATION operationPutByIdDirectStrict(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL; |
| void DFG_OPERATION operationPutByIdDirectNonStrict(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL; |
| void DFG_OPERATION operationPutByIdStrictOptimize(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL; |
| void DFG_OPERATION operationPutByIdNonStrictOptimize(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL; |
| void DFG_OPERATION operationPutByIdDirectStrictOptimize(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL; |
| void DFG_OPERATION operationPutByIdDirectNonStrictOptimize(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL; |
| void DFG_OPERATION operationPutByIdStrictBuildList(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL; |
| void DFG_OPERATION operationPutByIdNonStrictBuildList(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL; |
| void DFG_OPERATION operationPutByIdDirectStrictBuildList(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL; |
| void DFG_OPERATION operationPutByIdDirectNonStrictBuildList(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL; |
| // These comparisons return a boolean within a size_t such that the value is zero extended to fill the register. |
| size_t DFG_OPERATION operationRegExpTest(ExecState*, JSCell*, JSCell*) WTF_INTERNAL; |
| size_t DFG_OPERATION operationCompareLess(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL; |
| size_t DFG_OPERATION operationCompareLessEq(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL; |
| size_t DFG_OPERATION operationCompareGreater(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL; |
| size_t DFG_OPERATION operationCompareGreaterEq(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL; |
| size_t DFG_OPERATION operationCompareEq(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL; |
| size_t DFG_OPERATION operationCompareStrictEqCell(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL; |
| size_t DFG_OPERATION operationCompareStrictEq(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL; |
| char* DFG_OPERATION operationVirtualCall(ExecState*) WTF_INTERNAL; |
| char* DFG_OPERATION operationLinkCall(ExecState*) WTF_INTERNAL; |
| char* DFG_OPERATION operationLinkClosureCall(ExecState*) WTF_INTERNAL; |
| char* DFG_OPERATION operationVirtualConstruct(ExecState*) WTF_INTERNAL; |
| char* DFG_OPERATION operationLinkConstruct(ExecState*) WTF_INTERNAL; |
| JSCell* DFG_OPERATION operationCreateActivation(ExecState*) WTF_INTERNAL; |
| JSCell* DFG_OPERATION operationCreateArguments(ExecState*) WTF_INTERNAL; |
| JSCell* DFG_OPERATION operationCreateInlinedArguments(ExecState*, InlineCallFrame*) WTF_INTERNAL; |
| void DFG_OPERATION operationTearOffArguments(ExecState*, JSCell*, JSCell*) WTF_INTERNAL; |
| void DFG_OPERATION operationTearOffInlinedArguments(ExecState*, JSCell*, JSCell*, InlineCallFrame*) WTF_INTERNAL; |
| EncodedJSValue DFG_OPERATION operationGetArgumentsLength(ExecState*, int32_t) WTF_INTERNAL; |
| EncodedJSValue DFG_OPERATION operationGetInlinedArgumentByVal(ExecState*, int32_t, InlineCallFrame*, int32_t) WTF_INTERNAL; |
| EncodedJSValue DFG_OPERATION operationGetArgumentByVal(ExecState*, int32_t, int32_t) WTF_INTERNAL; |
| JSCell* DFG_OPERATION operationNewFunction(ExecState*, JSCell*) WTF_INTERNAL; |
| JSCell* DFG_OPERATION operationNewFunctionExpression(ExecState*, JSCell*) WTF_INTERNAL; |
| double DFG_OPERATION operationFModOnInts(int32_t, int32_t) WTF_INTERNAL; |
| size_t DFG_OPERATION operationIsObject(ExecState*, EncodedJSValue) WTF_INTERNAL; |
| size_t DFG_OPERATION operationIsFunction(EncodedJSValue) WTF_INTERNAL; |
| void DFG_OPERATION operationReallocateStorageAndFinishPut(ExecState*, JSObject*, Structure*, PropertyOffset, EncodedJSValue) WTF_INTERNAL; |
| char* DFG_OPERATION operationAllocatePropertyStorageWithInitialCapacity(ExecState*) WTF_INTERNAL; |
| char* DFG_OPERATION operationAllocatePropertyStorage(ExecState*, size_t newSize) WTF_INTERNAL; |
| char* DFG_OPERATION operationReallocateButterflyToHavePropertyStorageWithInitialCapacity(ExecState*, JSObject*) WTF_INTERNAL; |
| char* DFG_OPERATION operationReallocateButterflyToGrowPropertyStorage(ExecState*, JSObject*, size_t newSize) WTF_INTERNAL; |
| char* DFG_OPERATION operationEnsureInt32(ExecState*, JSObject*); |
| char* DFG_OPERATION operationEnsureDouble(ExecState*, JSObject*); |
| char* DFG_OPERATION operationEnsureContiguous(ExecState*, JSObject*); |
| char* DFG_OPERATION operationRageEnsureContiguous(ExecState*, JSObject*); |
| char* DFG_OPERATION operationEnsureArrayStorage(ExecState*, JSObject*); |
| StringImpl* DFG_OPERATION operationResolveRope(ExecState*, JSString*); |
| |
| // This method is used to lookup an exception hander, keyed by faultLocation, which is |
| // the return location from one of the calls out to one of the helper operations above. |
| |
| // According to C++ rules, a type used for the return signature of function with C linkage (i.e. |
| // 'extern "C"') needs to be POD; hence putting any constructors into it could cause either compiler |
| // warnings, or worse, a change in the ABI used to return these types. |
| struct DFGHandler { |
| union Union { |
| struct Struct { |
| ExecState* exec; |
| void* handler; |
| } s; |
| uint64_t encoded; |
| } u; |
| }; |
| |
| inline DFGHandler createDFGHandler(ExecState* exec, void* handler) |
| { |
| DFGHandler result; |
| result.u.s.exec = exec; |
| result.u.s.handler = handler; |
| return result; |
| } |
| |
| #if CPU(X86_64) |
| typedef DFGHandler DFGHandlerEncoded; |
| inline DFGHandlerEncoded dfgHandlerEncoded(ExecState* exec, void* handler) |
| { |
| return createDFGHandler(exec, handler); |
| } |
| #else |
| typedef uint64_t DFGHandlerEncoded; |
| inline DFGHandlerEncoded dfgHandlerEncoded(ExecState* exec, void* handler) |
| { |
| COMPILE_ASSERT(sizeof(DFGHandler::Union) == sizeof(uint64_t), DFGHandler_Union_is_64bit); |
| return createDFGHandler(exec, handler).u.encoded; |
| } |
| #endif |
| DFGHandlerEncoded DFG_OPERATION lookupExceptionHandler(ExecState*, uint32_t) WTF_INTERNAL; |
| DFGHandlerEncoded DFG_OPERATION lookupExceptionHandlerInStub(ExecState*, StructureStubInfo*) WTF_INTERNAL; |
| |
| // These operations implement the implicitly called ToInt32, ToNumber, and ToBoolean conversions from ES5. |
| double DFG_OPERATION dfgConvertJSValueToNumber(ExecState*, EncodedJSValue) WTF_INTERNAL; |
| // This conversion returns an int32_t within a size_t such that the value is zero extended to fill the register. |
| size_t DFG_OPERATION dfgConvertJSValueToInt32(ExecState*, EncodedJSValue) WTF_INTERNAL; |
| size_t DFG_OPERATION dfgConvertJSValueToBoolean(ExecState*, EncodedJSValue) WTF_INTERNAL; |
| |
| #if DFG_ENABLE(VERBOSE_SPECULATION_FAILURE) |
| void DFG_OPERATION debugOperationPrintSpeculationFailure(ExecState*, void*) WTF_INTERNAL; |
| #endif |
| |
| void DFG_OPERATION triggerReoptimizationNow(CodeBlock*) WTF_INTERNAL; |
| |
| } // extern "C" |
| } } // namespace JSC::DFG |
| |
| #endif |
| #endif |
