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/*
* 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 {
struct GlobalResolveInfo;
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_EGriJsgI)(ExecState*, GlobalResolveInfo*, JSGlobalObject*, Identifier*);
typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EI)(ExecState*, Identifier*);
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_ESt)(ExecState*, Structure*);
typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EStI)(ExecState*, Structure*, int32_t);
typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EStPS)(ExecState*, Structure*, void*, 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 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_EAZJ)(ExecState*, JSArray*, 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_ECJJ)(ExecState*, JSCell*, EncodedJSValue, EncodedJSValue);
typedef void DFG_OPERATION (*V_DFGOperation_ECZ)(ExecState*, JSCell*, int32_t);
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_ES)(ExecState*, size_t);
typedef char* DFG_OPERATION (*P_DFGOperation_EPS)(ExecState*, void*, size_t);
// These routines are provide callbacks out to C++ implementations of operations too complex to JIT.
JSCell* DFG_OPERATION operationNewObject(ExecState*) 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*) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationResolveBase(ExecState*, Identifier*) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationResolveBaseStrictPut(ExecState*, Identifier*) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationResolveGlobal(ExecState*, GlobalResolveInfo*, JSGlobalObject*, Identifier*) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationToPrimitive(ExecState*, EncodedJSValue) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationStrCat(ExecState*, void*, size_t) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationNewArray(ExecState*, Structure*, void*, size_t) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationNewArrayBuffer(ExecState*, size_t, size_t) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationNewEmptyArray(ExecState*, Structure*) WTF_INTERNAL;
EncodedJSValue 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*, JSArray*, int32_t index, EncodedJSValue encodedValue) WTF_INTERNAL;
void DFG_OPERATION operationPutByValBeyondArrayBoundsNonStrict(ExecState*, JSArray*, int32_t index, EncodedJSValue encodedValue) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationArrayPush(ExecState*, EncodedJSValue encodedValue, JSArray*) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationArrayPop(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 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 operationTearOffActivation(ExecState*, JSCell*, int32_t unmodifiedArgumentsRegister) WTF_INTERNAL;
void DFG_OPERATION operationTearOffArguments(ExecState*, JSCell*) WTF_INTERNAL;
void DFG_OPERATION operationTearOffInlinedArguments(ExecState*, 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;
// 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
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