| 1 | /* |
| 2 | * Copyright (C) 2011 Apple Inc. All rights reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions |
| 6 | * are met: |
| 7 | * 1. Redistributions of source code must retain the above copyright |
| 8 | * notice, this list of conditions and the following disclaimer. |
| 9 | * 2. Redistributions in binary form must reproduce the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer in the |
| 11 | * documentation and/or other materials provided with the distribution. |
| 12 | * |
| 13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| 14 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| 17 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 18 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 19 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 20 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| 21 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 23 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 24 | */ |
| 25 | |
| 26 | #ifndef DFGOperations_h |
| 27 | #define DFGOperations_h |
| 28 | |
| 29 | #if ENABLE(DFG_JIT) |
| 30 | |
| 31 | #include "DFGJITCompiler.h" |
| 32 | #include "PutKind.h" |
| 33 | |
| 34 | namespace JSC { |
| 35 | |
| 36 | namespace DFG { |
| 37 | |
| 38 | extern "C" { |
| 39 | |
| 40 | #if CALLING_CONVENTION_IS_STDCALL |
| 41 | #define DFG_OPERATION CDECL |
| 42 | #else |
| 43 | #define DFG_OPERATION |
| 44 | #endif |
| 45 | |
| 46 | // These typedefs provide typechecking when generating calls out to helper routines; |
| 47 | // this helps prevent calling a helper routine with the wrong arguments! |
| 48 | /* |
| 49 | Key: |
| 50 | V: void |
| 51 | J: JSValue |
| 52 | P: pointer (void*) |
| 53 | C: JSCell* |
| 54 | A: JSArray* |
| 55 | S: size_t |
| 56 | Z: int32_t |
| 57 | D: double |
| 58 | I: Identifier* |
| 59 | G: GlobalResolveInfo* |
| 60 | */ |
| 61 | typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_E)(ExecState*); |
| 62 | typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EA)(ExecState*, JSArray*); |
| 63 | typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EAZ)(ExecState*, JSArray*, int32_t); |
| 64 | typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EC)(ExecState*, JSCell*); |
| 65 | typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_ECC)(ExecState*, JSCell*, JSCell*); |
| 66 | typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_ECI)(ExecState*, JSCell*, Identifier*); |
| 67 | typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_ECJ)(ExecState*, JSCell*, EncodedJSValue); |
| 68 | typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EDA)(ExecState*, double, JSArray*); |
| 69 | typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EGriJsgI)(ExecState*, ResolveOperation*, JSGlobalObject*, Identifier*); |
| 70 | typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EI)(ExecState*, Identifier*); |
| 71 | typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EIRo)(ExecState*, Identifier*, ResolveOperations*); |
| 72 | typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EIRoPtbo)(ExecState*, Identifier*, ResolveOperations*, PutToBaseOperation*); |
| 73 | typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EJ)(ExecState*, EncodedJSValue); |
| 74 | typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EJA)(ExecState*, EncodedJSValue, JSArray*); |
| 75 | typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EJI)(ExecState*, EncodedJSValue, Identifier*); |
| 76 | typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EJJ)(ExecState*, EncodedJSValue, EncodedJSValue); |
| 77 | typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EJP)(ExecState*, EncodedJSValue, void*); |
| 78 | typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EP)(ExecState*, void*); |
| 79 | typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EPP)(ExecState*, void*, void*); |
| 80 | typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EPS)(ExecState*, void*, size_t); |
| 81 | typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_ESS)(ExecState*, size_t, size_t); |
| 82 | typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EZ)(ExecState*, int32_t); |
| 83 | typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EZIcfZ)(ExecState*, int32_t, InlineCallFrame*, int32_t); |
| 84 | typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EZZ)(ExecState*, int32_t, int32_t); |
| 85 | typedef JSCell* DFG_OPERATION (*C_DFGOperation_E)(ExecState*); |
| 86 | typedef JSCell* DFG_OPERATION (*C_DFGOperation_EZ)(ExecState*, int32_t); |
| 87 | typedef JSCell* DFG_OPERATION (*C_DFGOperation_EC)(ExecState*, JSCell*); |
| 88 | typedef JSCell* DFG_OPERATION (*C_DFGOperation_ECC)(ExecState*, JSCell*, JSCell*); |
| 89 | typedef JSCell* DFG_OPERATION (*C_DFGOperation_EIcf)(ExecState*, InlineCallFrame*); |
| 90 | typedef JSCell* DFG_OPERATION (*C_DFGOperation_EJ)(ExecState*, EncodedJSValue); |
| 91 | typedef JSCell* DFG_OPERATION (*C_DFGOperation_EJssSt)(ExecState*, JSString*, Structure*); |
| 92 | typedef JSCell* DFG_OPERATION (*C_DFGOperation_EJssJss)(ExecState*, JSString*, JSString*); |
| 93 | typedef JSCell* DFG_OPERATION (*C_DFGOperation_EJssJssJss)(ExecState*, JSString*, JSString*, JSString*); |
| 94 | typedef JSCell* DFG_OPERATION (*C_DFGOperation_EOZ)(ExecState*, JSObject*, int32_t); |
| 95 | typedef JSCell* DFG_OPERATION (*C_DFGOperation_ESt)(ExecState*, Structure*); |
| 96 | typedef JSCell* DFG_OPERATION (*C_DFGOperation_EZ)(ExecState*, int32_t); |
| 97 | typedef double DFG_OPERATION (*D_DFGOperation_DD)(double, double); |
| 98 | typedef double DFG_OPERATION (*D_DFGOperation_ZZ)(int32_t, int32_t); |
| 99 | typedef double DFG_OPERATION (*D_DFGOperation_EJ)(ExecState*, EncodedJSValue); |
| 100 | typedef int32_t DFG_OPERATION (*Z_DFGOperation_D)(double); |
| 101 | typedef size_t DFG_OPERATION (*S_DFGOperation_ECC)(ExecState*, JSCell*, JSCell*); |
| 102 | typedef size_t DFG_OPERATION (*S_DFGOperation_EJ)(ExecState*, EncodedJSValue); |
| 103 | typedef size_t DFG_OPERATION (*S_DFGOperation_EJJ)(ExecState*, EncodedJSValue, EncodedJSValue); |
| 104 | typedef size_t DFG_OPERATION (*S_DFGOperation_J)(EncodedJSValue); |
| 105 | typedef void DFG_OPERATION (*V_DFGOperation_EOZD)(ExecState*, JSObject*, int32_t, double); |
| 106 | typedef void DFG_OPERATION (*V_DFGOperation_EOZJ)(ExecState*, JSObject*, int32_t, EncodedJSValue); |
| 107 | typedef void DFG_OPERATION (*V_DFGOperation_EC)(ExecState*, JSCell*); |
| 108 | typedef void DFG_OPERATION (*V_DFGOperation_ECIcf)(ExecState*, JSCell*, InlineCallFrame*); |
| 109 | typedef void DFG_OPERATION (*V_DFGOperation_ECCIcf)(ExecState*, JSCell*, JSCell*, InlineCallFrame*); |
| 110 | typedef void DFG_OPERATION (*V_DFGOperation_ECJJ)(ExecState*, JSCell*, EncodedJSValue, EncodedJSValue); |
| 111 | typedef void DFG_OPERATION (*V_DFGOperation_ECZ)(ExecState*, JSCell*, int32_t); |
| 112 | typedef void DFG_OPERATION (*V_DFGOperation_ECC)(ExecState*, JSCell*, JSCell*); |
| 113 | typedef void DFG_OPERATION (*V_DFGOperation_EJCI)(ExecState*, EncodedJSValue, JSCell*, Identifier*); |
| 114 | typedef void DFG_OPERATION (*V_DFGOperation_EJJJ)(ExecState*, EncodedJSValue, EncodedJSValue, EncodedJSValue); |
| 115 | typedef void DFG_OPERATION (*V_DFGOperation_EJPP)(ExecState*, EncodedJSValue, EncodedJSValue, void*); |
| 116 | typedef void DFG_OPERATION (*V_DFGOperation_EPZJ)(ExecState*, void*, int32_t, EncodedJSValue); |
| 117 | typedef void DFG_OPERATION (*V_DFGOperation_W)(WatchpointSet*); |
| 118 | typedef char* DFG_OPERATION (*P_DFGOperation_E)(ExecState*); |
| 119 | typedef char* DFG_OPERATION (*P_DFGOperation_EC)(ExecState*, JSCell*); |
| 120 | typedef char* DFG_OPERATION (*P_DFGOperation_EO)(ExecState*, JSObject*); |
| 121 | typedef char* DFG_OPERATION (*P_DFGOperation_EOS)(ExecState*, JSObject*, size_t); |
| 122 | typedef char* DFG_OPERATION (*P_DFGOperation_EOZ)(ExecState*, JSObject*, int32_t); |
| 123 | typedef char* DFG_OPERATION (*P_DFGOperation_EPS)(ExecState*, void*, size_t); |
| 124 | typedef char* DFG_OPERATION (*P_DFGOperation_ES)(ExecState*, size_t); |
| 125 | typedef char* DFG_OPERATION (*P_DFGOperation_ESt)(ExecState*, Structure*); |
| 126 | typedef char* DFG_OPERATION (*P_DFGOperation_EStPS)(ExecState*, Structure*, void*, size_t); |
| 127 | typedef char* DFG_OPERATION (*P_DFGOperation_EStSS)(ExecState*, Structure*, size_t, size_t); |
| 128 | typedef char* DFG_OPERATION (*P_DFGOperation_EStZ)(ExecState*, Structure*, int32_t); |
| 129 | typedef StringImpl* DFG_OPERATION (*Str_DFGOperation_EJss)(ExecState*, JSString*); |
| 130 | JSCell* DFG_OPERATION operationStringFromCharCode(ExecState*, int32_t) WTF_INTERNAL; |
| 131 | |
| 132 | // These routines are provide callbacks out to C++ implementations of operations too complex to JIT. |
| 133 | JSCell* DFG_OPERATION operationNewObject(ExecState*, Structure*) WTF_INTERNAL; |
| 134 | JSCell* DFG_OPERATION operationCreateThis(ExecState*, JSObject* constructor, int32_t inlineCapacity) WTF_INTERNAL; |
| 135 | EncodedJSValue DFG_OPERATION operationConvertThis(ExecState*, EncodedJSValue encodedOp1) WTF_INTERNAL; |
| 136 | EncodedJSValue DFG_OPERATION operationValueAdd(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL; |
| 137 | EncodedJSValue DFG_OPERATION operationValueAddNotNumber(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL; |
| 138 | EncodedJSValue DFG_OPERATION operationGetByVal(ExecState*, EncodedJSValue encodedBase, EncodedJSValue encodedProperty) WTF_INTERNAL; |
| 139 | EncodedJSValue DFG_OPERATION operationGetByValCell(ExecState*, JSCell*, EncodedJSValue encodedProperty) WTF_INTERNAL; |
| 140 | EncodedJSValue DFG_OPERATION operationGetByValArrayInt(ExecState*, JSArray*, int32_t) WTF_INTERNAL; |
| 141 | EncodedJSValue DFG_OPERATION operationGetById(ExecState*, EncodedJSValue, Identifier*) WTF_INTERNAL; |
| 142 | EncodedJSValue DFG_OPERATION operationGetByIdBuildList(ExecState*, EncodedJSValue, Identifier*) WTF_INTERNAL; |
| 143 | EncodedJSValue DFG_OPERATION operationGetByIdProtoBuildList(ExecState*, EncodedJSValue, Identifier*) WTF_INTERNAL; |
| 144 | EncodedJSValue DFG_OPERATION operationGetByIdOptimize(ExecState*, EncodedJSValue, Identifier*) WTF_INTERNAL; |
| 145 | EncodedJSValue DFG_OPERATION operationCallCustomGetter(ExecState*, JSCell*, PropertySlot::GetValueFunc, Identifier*) WTF_INTERNAL; |
| 146 | EncodedJSValue DFG_OPERATION operationCallGetter(ExecState*, JSCell*, JSCell*) WTF_INTERNAL; |
| 147 | void DFG_OPERATION operationNotifyGlobalVarWrite(WatchpointSet* watchpointSet) WTF_INTERNAL; |
| 148 | EncodedJSValue DFG_OPERATION operationResolve(ExecState*, Identifier*, ResolveOperations*) WTF_INTERNAL; |
| 149 | EncodedJSValue DFG_OPERATION operationResolveBase(ExecState*, Identifier*, ResolveOperations*, PutToBaseOperation*) WTF_INTERNAL; |
| 150 | EncodedJSValue DFG_OPERATION operationResolveBaseStrictPut(ExecState*, Identifier*, ResolveOperations*, PutToBaseOperation*) WTF_INTERNAL; |
| 151 | EncodedJSValue DFG_OPERATION operationResolveGlobal(ExecState*, ResolveOperation*, JSGlobalObject*, Identifier*) WTF_INTERNAL; |
| 152 | EncodedJSValue DFG_OPERATION operationToPrimitive(ExecState*, EncodedJSValue) WTF_INTERNAL; |
| 153 | char* DFG_OPERATION operationNewArray(ExecState*, Structure*, void*, size_t) WTF_INTERNAL; |
| 154 | char* DFG_OPERATION operationNewArrayBuffer(ExecState*, Structure*, size_t, size_t) WTF_INTERNAL; |
| 155 | char* DFG_OPERATION operationNewEmptyArray(ExecState*, Structure*) WTF_INTERNAL; |
| 156 | char* DFG_OPERATION operationNewArrayWithSize(ExecState*, Structure*, int32_t) WTF_INTERNAL; |
| 157 | EncodedJSValue DFG_OPERATION operationNewRegexp(ExecState*, void*) WTF_INTERNAL; |
| 158 | void DFG_OPERATION operationPutByValStrict(ExecState*, EncodedJSValue encodedBase, EncodedJSValue encodedProperty, EncodedJSValue encodedValue) WTF_INTERNAL; |
| 159 | void DFG_OPERATION operationPutByValNonStrict(ExecState*, EncodedJSValue encodedBase, EncodedJSValue encodedProperty, EncodedJSValue encodedValue) WTF_INTERNAL; |
| 160 | void DFG_OPERATION operationPutByValCellStrict(ExecState*, JSCell*, EncodedJSValue encodedProperty, EncodedJSValue encodedValue) WTF_INTERNAL; |
| 161 | void DFG_OPERATION operationPutByValCellNonStrict(ExecState*, JSCell*, EncodedJSValue encodedProperty, EncodedJSValue encodedValue) WTF_INTERNAL; |
| 162 | void DFG_OPERATION operationPutByValBeyondArrayBoundsStrict(ExecState*, JSObject*, int32_t index, EncodedJSValue encodedValue) WTF_INTERNAL; |
| 163 | void DFG_OPERATION operationPutByValBeyondArrayBoundsNonStrict(ExecState*, JSObject*, int32_t index, EncodedJSValue encodedValue) WTF_INTERNAL; |
| 164 | void DFG_OPERATION operationPutDoubleByValBeyondArrayBoundsStrict(ExecState*, JSObject*, int32_t index, double value) WTF_INTERNAL; |
| 165 | void DFG_OPERATION operationPutDoubleByValBeyondArrayBoundsNonStrict(ExecState*, JSObject*, int32_t index, double value) WTF_INTERNAL; |
| 166 | EncodedJSValue DFG_OPERATION operationArrayPush(ExecState*, EncodedJSValue encodedValue, JSArray*) WTF_INTERNAL; |
| 167 | EncodedJSValue DFG_OPERATION operationArrayPushDouble(ExecState*, double value, JSArray*) WTF_INTERNAL; |
| 168 | EncodedJSValue DFG_OPERATION operationArrayPop(ExecState*, JSArray*) WTF_INTERNAL; |
| 169 | EncodedJSValue DFG_OPERATION operationArrayPopAndRecoverLength(ExecState*, JSArray*) WTF_INTERNAL; |
| 170 | EncodedJSValue DFG_OPERATION operationRegExpExec(ExecState*, JSCell*, JSCell*) WTF_INTERNAL; |
| 171 | void DFG_OPERATION operationPutByIdStrict(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL; |
| 172 | void DFG_OPERATION operationPutByIdNonStrict(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL; |
| 173 | void DFG_OPERATION operationPutByIdDirectStrict(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL; |
| 174 | void DFG_OPERATION operationPutByIdDirectNonStrict(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL; |
| 175 | void DFG_OPERATION operationPutByIdStrictOptimize(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL; |
| 176 | void DFG_OPERATION operationPutByIdNonStrictOptimize(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL; |
| 177 | void DFG_OPERATION operationPutByIdDirectStrictOptimize(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL; |
| 178 | void DFG_OPERATION operationPutByIdDirectNonStrictOptimize(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL; |
| 179 | void DFG_OPERATION operationPutByIdStrictBuildList(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL; |
| 180 | void DFG_OPERATION operationPutByIdNonStrictBuildList(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL; |
| 181 | void DFG_OPERATION operationPutByIdDirectStrictBuildList(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL; |
| 182 | void DFG_OPERATION operationPutByIdDirectNonStrictBuildList(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL; |
| 183 | // These comparisons return a boolean within a size_t such that the value is zero extended to fill the register. |
| 184 | size_t DFG_OPERATION operationRegExpTest(ExecState*, JSCell*, JSCell*) WTF_INTERNAL; |
| 185 | size_t DFG_OPERATION operationCompareLess(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL; |
| 186 | size_t DFG_OPERATION operationCompareLessEq(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL; |
| 187 | size_t DFG_OPERATION operationCompareGreater(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL; |
| 188 | size_t DFG_OPERATION operationCompareGreaterEq(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL; |
| 189 | size_t DFG_OPERATION operationCompareEq(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL; |
| 190 | #if USE(JSVALUE64) |
| 191 | EncodedJSValue DFG_OPERATION operationCompareStringEq(ExecState*, JSCell* left, JSCell* right) WTF_INTERNAL; |
| 192 | #else |
| 193 | size_t DFG_OPERATION operationCompareStringEq(ExecState*, JSCell* left, JSCell* right) WTF_INTERNAL; |
| 194 | #endif |
| 195 | size_t DFG_OPERATION operationCompareStrictEqCell(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL; |
| 196 | size_t DFG_OPERATION operationCompareStrictEq(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL; |
| 197 | char* DFG_OPERATION operationVirtualCall(ExecState*) WTF_INTERNAL; |
| 198 | char* DFG_OPERATION operationLinkCall(ExecState*) WTF_INTERNAL; |
| 199 | char* DFG_OPERATION operationLinkClosureCall(ExecState*) WTF_INTERNAL; |
| 200 | char* DFG_OPERATION operationVirtualConstruct(ExecState*) WTF_INTERNAL; |
| 201 | char* DFG_OPERATION operationLinkConstruct(ExecState*) WTF_INTERNAL; |
| 202 | JSCell* DFG_OPERATION operationCreateActivation(ExecState*) WTF_INTERNAL; |
| 203 | JSCell* DFG_OPERATION operationCreateArguments(ExecState*) WTF_INTERNAL; |
| 204 | JSCell* DFG_OPERATION operationCreateInlinedArguments(ExecState*, InlineCallFrame*) WTF_INTERNAL; |
| 205 | void DFG_OPERATION operationTearOffArguments(ExecState*, JSCell*, JSCell*) WTF_INTERNAL; |
| 206 | void DFG_OPERATION operationTearOffInlinedArguments(ExecState*, JSCell*, JSCell*, InlineCallFrame*) WTF_INTERNAL; |
| 207 | EncodedJSValue DFG_OPERATION operationGetArgumentsLength(ExecState*, int32_t) WTF_INTERNAL; |
| 208 | EncodedJSValue DFG_OPERATION operationGetInlinedArgumentByVal(ExecState*, int32_t, InlineCallFrame*, int32_t) WTF_INTERNAL; |
| 209 | EncodedJSValue DFG_OPERATION operationGetArgumentByVal(ExecState*, int32_t, int32_t) WTF_INTERNAL; |
| 210 | JSCell* DFG_OPERATION operationNewFunctionNoCheck(ExecState*, JSCell*) WTF_INTERNAL; |
| 211 | EncodedJSValue DFG_OPERATION operationNewFunction(ExecState*, JSCell*) WTF_INTERNAL; |
| 212 | JSCell* DFG_OPERATION operationNewFunctionExpression(ExecState*, JSCell*) WTF_INTERNAL; |
| 213 | double DFG_OPERATION operationFModOnInts(int32_t, int32_t) WTF_INTERNAL; |
| 214 | size_t DFG_OPERATION operationIsObject(ExecState*, EncodedJSValue) WTF_INTERNAL; |
| 215 | size_t DFG_OPERATION operationIsFunction(EncodedJSValue) WTF_INTERNAL; |
| 216 | JSCell* DFG_OPERATION operationTypeOf(ExecState*, JSCell*) WTF_INTERNAL; |
| 217 | void DFG_OPERATION operationReallocateStorageAndFinishPut(ExecState*, JSObject*, Structure*, PropertyOffset, EncodedJSValue) WTF_INTERNAL; |
| 218 | char* DFG_OPERATION operationAllocatePropertyStorageWithInitialCapacity(ExecState*) WTF_INTERNAL; |
| 219 | char* DFG_OPERATION operationAllocatePropertyStorage(ExecState*, size_t newSize) WTF_INTERNAL; |
| 220 | char* DFG_OPERATION operationReallocateButterflyToHavePropertyStorageWithInitialCapacity(ExecState*, JSObject*) WTF_INTERNAL; |
| 221 | char* DFG_OPERATION operationReallocateButterflyToGrowPropertyStorage(ExecState*, JSObject*, size_t newSize) WTF_INTERNAL; |
| 222 | char* DFG_OPERATION operationEnsureInt32(ExecState*, JSCell*); |
| 223 | char* DFG_OPERATION operationEnsureDouble(ExecState*, JSCell*); |
| 224 | char* DFG_OPERATION operationEnsureContiguous(ExecState*, JSCell*); |
| 225 | char* DFG_OPERATION operationRageEnsureContiguous(ExecState*, JSCell*); |
| 226 | char* DFG_OPERATION operationEnsureArrayStorage(ExecState*, JSCell*); |
| 227 | StringImpl* DFG_OPERATION operationResolveRope(ExecState*, JSString*); |
| 228 | JSCell* DFG_OPERATION operationNewStringObject(ExecState*, JSString*, Structure*); |
| 229 | JSCell* DFG_OPERATION operationToStringOnCell(ExecState*, JSCell*); |
| 230 | JSCell* DFG_OPERATION operationToString(ExecState*, EncodedJSValue); |
| 231 | JSCell* DFG_OPERATION operationMakeRope2(ExecState*, JSString*, JSString*); |
| 232 | JSCell* DFG_OPERATION operationMakeRope3(ExecState*, JSString*, JSString*, JSString*); |
| 233 | |
| 234 | // This method is used to lookup an exception hander, keyed by faultLocation, which is |
| 235 | // the return location from one of the calls out to one of the helper operations above. |
| 236 | |
| 237 | // According to C++ rules, a type used for the return signature of function with C linkage (i.e. |
| 238 | // 'extern "C"') needs to be POD; hence putting any constructors into it could cause either compiler |
| 239 | // warnings, or worse, a change in the ABI used to return these types. |
| 240 | struct DFGHandler { |
| 241 | union Union { |
| 242 | struct Struct { |
| 243 | ExecState* exec; |
| 244 | void* handler; |
| 245 | } s; |
| 246 | uint64_t encoded; |
| 247 | } u; |
| 248 | }; |
| 249 | |
| 250 | inline DFGHandler createDFGHandler(ExecState* exec, void* handler) |
| 251 | { |
| 252 | DFGHandler result; |
| 253 | result.u.s.exec = exec; |
| 254 | result.u.s.handler = handler; |
| 255 | return result; |
| 256 | } |
| 257 | |
| 258 | #if USE(JSVALUE64) |
| 259 | typedef DFGHandler DFGHandlerEncoded; |
| 260 | inline DFGHandlerEncoded dfgHandlerEncoded(ExecState* exec, void* handler) |
| 261 | { |
| 262 | return createDFGHandler(exec, handler); |
| 263 | } |
| 264 | #else |
| 265 | typedef uint64_t DFGHandlerEncoded; |
| 266 | inline DFGHandlerEncoded dfgHandlerEncoded(ExecState* exec, void* handler) |
| 267 | { |
| 268 | COMPILE_ASSERT(sizeof(DFGHandler::Union) == sizeof(uint64_t), DFGHandler_Union_is_64bit); |
| 269 | return createDFGHandler(exec, handler).u.encoded; |
| 270 | } |
| 271 | #endif |
| 272 | DFGHandlerEncoded DFG_OPERATION lookupExceptionHandler(ExecState*, uint32_t) WTF_INTERNAL; |
| 273 | DFGHandlerEncoded DFG_OPERATION lookupExceptionHandlerInStub(ExecState*, StructureStubInfo*) WTF_INTERNAL; |
| 274 | |
| 275 | // These operations implement the implicitly called ToInt32 and ToBoolean conversions from ES5. |
| 276 | // This conversion returns an int32_t within a size_t such that the value is zero extended to fill the register. |
| 277 | size_t DFG_OPERATION dfgConvertJSValueToInt32(ExecState*, EncodedJSValue) WTF_INTERNAL; |
| 278 | size_t DFG_OPERATION dfgConvertJSValueToBoolean(ExecState*, EncodedJSValue) WTF_INTERNAL; |
| 279 | |
| 280 | void DFG_OPERATION debugOperationPrintSpeculationFailure(ExecState*, void*, void*) WTF_INTERNAL; |
| 281 | |
| 282 | void DFG_OPERATION triggerReoptimizationNow(CodeBlock*) WTF_INTERNAL; |
| 283 | |
| 284 | } // extern "C" |
| 285 | } } // namespace JSC::DFG |
| 286 | |
| 287 | #endif |
| 288 | #endif |