jit/JITOperations.h

   1 /*
   2  * Copyright (C) 2013-2014 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 JITOperations_h
  27 #define JITOperations_h
  28
  29 #if ENABLE(JIT)
  30
  31 #include "CallFrame.h"
  32 #include "CommonSlowPaths.h"
  33 #include "JITExceptions.h"
  34 #include "JSArray.h"
  35 #include "JSCJSValue.h"
  36 #include "MacroAssembler.h"
  37 #include "PutKind.h"
  38 #include "SpillRegistersMode.h"
  39 #include "StructureStubInfo.h"
  40 #include "VariableWatchpointSet.h"
  41
  42
  43 namespace JSC {
  44
  45 class ArrayAllocationProfile;
  46
  47 #if CALLING_CONVENTION_IS_STDCALL
  48 #define JIT_OPERATION CDECL
  49 #else
  50 #define JIT_OPERATION
  51 #endif
  52
  53 extern "C" {
  54
  55 // These typedefs provide typechecking when generating calls out to helper routines;
  56 // this helps prevent calling a helper routine with the wrong arguments!
  57 /*
  58     Key:
  59     A: JSArray*
  60     Aap: ArrayAllocationProfile*
  61     C: JSCell*
  62     Cb: CodeBlock*
  63     Cli: CallLinkInfo*
  64     D: double
  65     E: ExecState*
  66     F: CallFrame*
  67     I: StringImpl*
  68     Icf: InlineCalLFrame*
  69     Idc: const Identifier*
  70     J: EncodedJSValue
  71     Jcp: const JSValue*
  72     Jsa: JSActivation*
  73     Jss: JSString*
  74     O: JSObject*
  75     P: pointer (char*)
  76     Pc: Instruction* i.e. bytecode PC
  77     Q: int64_t
  78     R: Register
  79     S: size_t
  80     Sprt: SlowPathReturnType
  81     Ssi: StructureStubInfo*
  82     St: Structure*
  83     V: void
  84     Vm: VM*
  85     Vws: VariableWatchpointSet*
  86     Z: int32_t
  87 */
  88
  89 typedef CallFrame* JIT_OPERATION (*F_JITOperation_EFJJZ)(ExecState*, CallFrame*, EncodedJSValue, EncodedJSValue, int32_t);
  90 typedef CallFrame* JIT_OPERATION (*F_JITOperation_EJZZ)(ExecState*, EncodedJSValue, int32_t, int32_t);
  91 typedef EncodedJSValue JIT_OPERATION (*J_JITOperation_E)(ExecState*);
  92 typedef EncodedJSValue JIT_OPERATION (*J_JITOperation_EA)(ExecState*, JSArray*);
  93 typedef EncodedJSValue JIT_OPERATION (*J_JITOperation_EAZ)(ExecState*, JSArray*, int32_t);
  94 typedef EncodedJSValue JIT_OPERATION (*J_JITOperation_EAapJ)(ExecState*, ArrayAllocationProfile*, EncodedJSValue);
  95 typedef EncodedJSValue JIT_OPERATION (*J_JITOperation_EAapJcpZ)(ExecState*, ArrayAllocationProfile*, const JSValue*, int32_t);
  96 typedef EncodedJSValue JIT_OPERATION (*J_JITOperation_EC)(ExecState*, JSCell*);
  97 typedef EncodedJSValue JIT_OPERATION (*J_JITOperation_ECC)(ExecState*, JSCell*, JSCell*);
  98 typedef EncodedJSValue JIT_OPERATION (*J_JITOperation_ECI)(ExecState*, JSCell*, StringImpl*);
  99 typedef EncodedJSValue JIT_OPERATION (*J_JITOperation_ECJ)(ExecState*, JSCell*, EncodedJSValue);
 100 typedef EncodedJSValue JIT_OPERATION (*J_JITOperation_EDA)(ExecState*, double, JSArray*);
 101 typedef EncodedJSValue JIT_OPERATION (*J_JITOperation_EE)(ExecState*, ExecState*);
 102 typedef EncodedJSValue JIT_OPERATION (*J_JITOperation_EI)(ExecState*, StringImpl*);
 103 typedef EncodedJSValue JIT_OPERATION (*J_JITOperation_EJ)(ExecState*, EncodedJSValue);
 104 typedef EncodedJSValue JIT_OPERATION (*J_JITOperation_EJA)(ExecState*, EncodedJSValue, JSArray*);
 105 typedef EncodedJSValue JIT_OPERATION (*J_JITOperation_EJIdc)(ExecState*, EncodedJSValue, const Identifier*);
 106 typedef EncodedJSValue JIT_OPERATION (*J_JITOperation_EJJ)(ExecState*, EncodedJSValue, EncodedJSValue);
 107 typedef EncodedJSValue JIT_OPERATION (*J_JITOperation_EJssZ)(ExecState*, JSString*, int32_t);
 108 typedef EncodedJSValue JIT_OPERATION (*J_JITOperation_EJP)(ExecState*, EncodedJSValue, void*);
 109 typedef EncodedJSValue JIT_OPERATION (*J_JITOperation_EP)(ExecState*, void*);
 110 typedef EncodedJSValue JIT_OPERATION (*J_JITOperation_EPP)(ExecState*, void*, void*);
 111 typedef EncodedJSValue JIT_OPERATION (*J_JITOperation_EPS)(ExecState*, void*, size_t);
 112 typedef EncodedJSValue JIT_OPERATION (*J_JITOperation_EPc)(ExecState*, Instruction*);
 113 typedef EncodedJSValue JIT_OPERATION (*J_JITOperation_ESS)(ExecState*, size_t, size_t);
 114 typedef EncodedJSValue JIT_OPERATION (*J_JITOperation_ESsiCI)(ExecState*, StructureStubInfo*, JSCell*, StringImpl*);
 115 typedef EncodedJSValue JIT_OPERATION (*J_JITOperation_ESsiJI)(ExecState*, StructureStubInfo*, EncodedJSValue, StringImpl*);
 116 typedef EncodedJSValue JIT_OPERATION (*J_JITOperation_EZ)(ExecState*, int32_t);
 117 typedef EncodedJSValue JIT_OPERATION (*J_JITOperation_EZIcfZ)(ExecState*, int32_t, InlineCallFrame*, int32_t);
 118 typedef EncodedJSValue JIT_OPERATION (*J_JITOperation_EZZ)(ExecState*, int32_t, int32_t);
 119 typedef JSCell* JIT_OPERATION (*C_JITOperation_E)(ExecState*);
 120 typedef JSCell* JIT_OPERATION (*C_JITOperation_EZ)(ExecState*, int32_t);
 121 typedef JSCell* JIT_OPERATION (*C_JITOperation_EC)(ExecState*, JSCell*);
 122 typedef JSCell* JIT_OPERATION (*C_JITOperation_ECC)(ExecState*, JSCell*, JSCell*);
 123 typedef JSCell* JIT_OPERATION (*C_JITOperation_EIcf)(ExecState*, InlineCallFrame*);
 124 typedef JSCell* JIT_OPERATION (*C_JITOperation_EJ)(ExecState*, EncodedJSValue);
 125 typedef JSCell* JIT_OPERATION (*C_JITOperation_EJssSt)(ExecState*, JSString*, Structure*);
 126 typedef JSCell* JIT_OPERATION (*C_JITOperation_EJssJss)(ExecState*, JSString*, JSString*);
 127 typedef JSCell* JIT_OPERATION (*C_JITOperation_EJssJssJss)(ExecState*, JSString*, JSString*, JSString*);
 128 typedef JSCell* JIT_OPERATION (*C_JITOperation_EO)(ExecState*, JSObject*);
 129 typedef JSCell* JIT_OPERATION (*C_JITOperation_EOZ)(ExecState*, JSObject*, int32_t);
 130 typedef JSCell* JIT_OPERATION (*C_JITOperation_ESt)(ExecState*, Structure*);
 131 typedef JSCell* JIT_OPERATION (*C_JITOperation_EZ)(ExecState*, int32_t);
 132 typedef double JIT_OPERATION (*D_JITOperation_D)(double);
 133 typedef double JIT_OPERATION (*D_JITOperation_DD)(double, double);
 134 typedef double JIT_OPERATION (*D_JITOperation_ZZ)(int32_t, int32_t);
 135 typedef double JIT_OPERATION (*D_JITOperation_EJ)(ExecState*, EncodedJSValue);
 136 typedef int64_t JIT_OPERATION(*Q_JITOperation_J)(EncodedJSValue);
 137 typedef int64_t JIT_OPERATION(*Q_JITOperation_D)(double);
 138 typedef int32_t JIT_OPERATION (*Z_JITOperation_D)(double);
 139 typedef int32_t JIT_OPERATION (*Z_JITOperation_E)(ExecState*);
 140 typedef size_t JIT_OPERATION (*S_JITOperation_ECC)(ExecState*, JSCell*, JSCell*);
 141 typedef size_t JIT_OPERATION (*S_JITOperation_EJ)(ExecState*, EncodedJSValue);
 142 typedef size_t JIT_OPERATION (*S_JITOperation_EJJ)(ExecState*, EncodedJSValue, EncodedJSValue);
 143 typedef size_t JIT_OPERATION (*S_JITOperation_EOJss)(ExecState*, JSObject*, JSString*);
 144 typedef size_t JIT_OPERATION (*S_JITOperation_J)(EncodedJSValue);
 145 typedef SlowPathReturnType JIT_OPERATION (*Sprt_JITOperation_EZ)(ExecState*, int32_t);
 146 typedef void JIT_OPERATION (*V_JITOperation)();
 147 typedef void JIT_OPERATION (*V_JITOperation_E)(ExecState*);
 148 typedef void JIT_OPERATION (*V_JITOperation_EC)(ExecState*, JSCell*);
 149 typedef void JIT_OPERATION (*V_JITOperation_ECb)(ExecState*, CodeBlock*);
 150 typedef void JIT_OPERATION (*V_JITOperation_ECC)(ExecState*, JSCell*, JSCell*);
 151 typedef void JIT_OPERATION (*V_JITOperation_ECIcf)(ExecState*, JSCell*, InlineCallFrame*);
 152 typedef void JIT_OPERATION (*V_JITOperation_ECICC)(ExecState*, JSCell*, Identifier*, JSCell*, JSCell*);
 153 typedef void JIT_OPERATION (*V_JITOperation_ECCIcf)(ExecState*, JSCell*, JSCell*, InlineCallFrame*);
 154 typedef void JIT_OPERATION (*V_JITOperation_ECJJ)(ExecState*, JSCell*, EncodedJSValue, EncodedJSValue);
 155 typedef void JIT_OPERATION (*V_JITOperation_ECPSPS)(ExecState*, JSCell*, void*, size_t, void*, size_t);
 156 typedef void JIT_OPERATION (*V_JITOperation_ECZ)(ExecState*, JSCell*, int32_t);
 157 typedef void JIT_OPERATION (*V_JITOperation_ECC)(ExecState*, JSCell*, JSCell*);
 158 typedef void JIT_OPERATION (*V_JITOperation_EIdJZ)(ExecState*, Identifier*, EncodedJSValue, int32_t);
 159 typedef void JIT_OPERATION (*V_JITOperation_EJ)(ExecState*, EncodedJSValue);
 160 typedef void JIT_OPERATION (*V_JITOperation_EJCI)(ExecState*, EncodedJSValue, JSCell*, StringImpl*);
 161 typedef void JIT_OPERATION (*V_JITOperation_EJIdJJ)(ExecState*, EncodedJSValue, Identifier*, EncodedJSValue, EncodedJSValue);
 162 typedef void JIT_OPERATION (*V_JITOperation_EJJJ)(ExecState*, EncodedJSValue, EncodedJSValue, EncodedJSValue);
 163 typedef void JIT_OPERATION (*V_JITOperation_EJPP)(ExecState*, EncodedJSValue, void*, void*);
 164 typedef void JIT_OPERATION (*V_JITOperation_EJZJ)(ExecState*, EncodedJSValue, int32_t, EncodedJSValue);
 165 typedef void JIT_OPERATION (*V_JITOperation_EJZ)(ExecState*, EncodedJSValue, int32_t);
 166 typedef void JIT_OPERATION (*V_JITOperation_EOZD)(ExecState*, JSObject*, int32_t, double);
 167 typedef void JIT_OPERATION (*V_JITOperation_EOZJ)(ExecState*, JSObject*, int32_t, EncodedJSValue);
 168 typedef void JIT_OPERATION (*V_JITOperation_EPc)(ExecState*, Instruction*);
 169 typedef void JIT_OPERATION (*V_JITOperation_EPZJ)(ExecState*, void*, int32_t, EncodedJSValue);
 170 typedef void JIT_OPERATION (*V_JITOperation_ESsiJJI)(ExecState*, StructureStubInfo*, EncodedJSValue, EncodedJSValue, StringImpl*);
 171 typedef void JIT_OPERATION (*V_JITOperation_EVwsJ)(ExecState*, VariableWatchpointSet*, EncodedJSValue);
 172 typedef void JIT_OPERATION (*V_JITOperation_EZ)(ExecState*, int32_t);
 173 typedef void JIT_OPERATION (*V_JITOperation_EVm)(ExecState*, VM*);
 174 typedef char* JIT_OPERATION (*P_JITOperation_E)(ExecState*);
 175 typedef char* JIT_OPERATION (*P_JITOperation_EC)(ExecState*, JSCell*);
 176 typedef char* JIT_OPERATION (*P_JITOperation_ECli)(ExecState*, CallLinkInfo*);
 177 typedef char* JIT_OPERATION (*P_JITOperation_EJS)(ExecState*, EncodedJSValue, size_t);
 178 typedef char* JIT_OPERATION (*P_JITOperation_EO)(ExecState*, JSObject*);
 179 typedef char* JIT_OPERATION (*P_JITOperation_EOS)(ExecState*, JSObject*, size_t);
 180 typedef char* JIT_OPERATION (*P_JITOperation_EOZ)(ExecState*, JSObject*, int32_t);
 181 typedef char* JIT_OPERATION (*P_JITOperation_EPS)(ExecState*, void*, size_t);
 182 typedef char* JIT_OPERATION (*P_JITOperation_ES)(ExecState*, size_t);
 183 typedef char* JIT_OPERATION (*P_JITOperation_ESJss)(ExecState*, size_t, JSString*);
 184 typedef char* JIT_OPERATION (*P_JITOperation_ESt)(ExecState*, Structure*);
 185 typedef char* JIT_OPERATION (*P_JITOperation_EStJ)(ExecState*, Structure*, EncodedJSValue);
 186 typedef char* JIT_OPERATION (*P_JITOperation_EStPS)(ExecState*, Structure*, void*, size_t);
 187 typedef char* JIT_OPERATION (*P_JITOperation_EStSS)(ExecState*, Structure*, size_t, size_t);
 188 typedef char* JIT_OPERATION (*P_JITOperation_EStZ)(ExecState*, Structure*, int32_t);
 189 typedef char* JIT_OPERATION (*P_JITOperation_EZZ)(ExecState*, int32_t, int32_t);
 190 typedef StringImpl* JIT_OPERATION (*I_JITOperation_EJss)(ExecState*, JSString*);
 191 typedef JSString* JIT_OPERATION (*Jss_JITOperation_EZ)(ExecState*, int32_t);
 192
 193 // This method is used to lookup an exception hander, keyed by faultLocation, which is
 194 // the return location from one of the calls out to one of the helper operations above.
 195
 196 void JIT_OPERATION lookupExceptionHandler(VM*, ExecState*) WTF_INTERNAL;
 197 void JIT_OPERATION operationVMHandleException(ExecState*) WTF_INTERNAL;
 198
 199 void JIT_OPERATION operationThrowStackOverflowError(ExecState*, CodeBlock*) WTF_INTERNAL;
 200 int32_t JIT_OPERATION operationCallArityCheck(ExecState*) WTF_INTERNAL;
 201 int32_t JIT_OPERATION operationConstructArityCheck(ExecState*) WTF_INTERNAL;
 202 EncodedJSValue JIT_OPERATION operationGetById(ExecState*, StructureStubInfo*, EncodedJSValue, StringImpl*) WTF_INTERNAL;
 203 EncodedJSValue JIT_OPERATION operationGetByIdBuildList(ExecState*, StructureStubInfo*, EncodedJSValue, StringImpl*) WTF_INTERNAL;
 204 EncodedJSValue JIT_OPERATION operationGetByIdOptimize(ExecState*, StructureStubInfo*, EncodedJSValue, StringImpl*) WTF_INTERNAL;
 205 EncodedJSValue JIT_OPERATION operationInOptimize(ExecState*, StructureStubInfo*, JSCell*, StringImpl*);
 206 EncodedJSValue JIT_OPERATION operationIn(ExecState*, StructureStubInfo*, JSCell*, StringImpl*);
 207 EncodedJSValue JIT_OPERATION operationGenericIn(ExecState*, JSCell*, EncodedJSValue);
 208 void JIT_OPERATION operationPutByIdStrict(ExecState*, StructureStubInfo*, EncodedJSValue encodedValue, EncodedJSValue encodedBase, StringImpl*) WTF_INTERNAL;
 209 void JIT_OPERATION operationPutByIdNonStrict(ExecState*, StructureStubInfo*, EncodedJSValue encodedValue, EncodedJSValue encodedBase, StringImpl*) WTF_INTERNAL;
 210 void JIT_OPERATION operationPutByIdDirectStrict(ExecState*, StructureStubInfo*, EncodedJSValue encodedValue, EncodedJSValue encodedBase, StringImpl*) WTF_INTERNAL;
 211 void JIT_OPERATION operationPutByIdDirectNonStrict(ExecState*, StructureStubInfo*, EncodedJSValue encodedValue, EncodedJSValue encodedBase, StringImpl*) WTF_INTERNAL;
 212 void JIT_OPERATION operationPutByIdStrictOptimize(ExecState*, StructureStubInfo*, EncodedJSValue encodedValue, EncodedJSValue encodedBase, StringImpl*) WTF_INTERNAL;
 213 void JIT_OPERATION operationPutByIdNonStrictOptimize(ExecState*, StructureStubInfo*, EncodedJSValue encodedValue, EncodedJSValue encodedBase, StringImpl*) WTF_INTERNAL;
 214 void JIT_OPERATION operationPutByIdDirectStrictOptimize(ExecState*, StructureStubInfo*, EncodedJSValue encodedValue, EncodedJSValue encodedBase, StringImpl*) WTF_INTERNAL;
 215 void JIT_OPERATION operationPutByIdDirectNonStrictOptimize(ExecState*, StructureStubInfo*, EncodedJSValue encodedValue, EncodedJSValue encodedBase, StringImpl*) WTF_INTERNAL;
 216 void JIT_OPERATION operationPutByIdStrictBuildList(ExecState*, StructureStubInfo*, EncodedJSValue encodedValue, EncodedJSValue encodedBase, StringImpl*) WTF_INTERNAL;
 217 void JIT_OPERATION operationPutByIdNonStrictBuildList(ExecState*, StructureStubInfo*, EncodedJSValue encodedValue, EncodedJSValue encodedBase, StringImpl*) WTF_INTERNAL;
 218 void JIT_OPERATION operationPutByIdDirectStrictBuildList(ExecState*, StructureStubInfo*, EncodedJSValue encodedValue, EncodedJSValue encodedBase, StringImpl*) WTF_INTERNAL;
 219 void JIT_OPERATION operationPutByIdDirectNonStrictBuildList(ExecState*, StructureStubInfo*, EncodedJSValue encodedValue, EncodedJSValue encodedBase, StringImpl*) WTF_INTERNAL;
 220 void JIT_OPERATION operationReallocateStorageAndFinishPut(ExecState*, JSObject*, Structure*, PropertyOffset, EncodedJSValue) WTF_INTERNAL;
 221 void JIT_OPERATION operationPutByVal(ExecState*, EncodedJSValue, EncodedJSValue, EncodedJSValue) WTF_INTERNAL;
 222 void JIT_OPERATION operationDirectPutByVal(ExecState*, EncodedJSValue, EncodedJSValue, EncodedJSValue) WTF_INTERNAL;
 223 void JIT_OPERATION operationPutByValGeneric(ExecState*, EncodedJSValue, EncodedJSValue, EncodedJSValue) WTF_INTERNAL;
 224 void JIT_OPERATION operationDirectPutByValGeneric(ExecState*, EncodedJSValue, EncodedJSValue, EncodedJSValue) WTF_INTERNAL;
 225 EncodedJSValue JIT_OPERATION operationCallEval(ExecState*, ExecState*) WTF_INTERNAL;
 226 char* JIT_OPERATION operationLinkCall(ExecState*, CallLinkInfo*) WTF_INTERNAL;
 227 char* JIT_OPERATION operationLinkClosureCall(ExecState*, CallLinkInfo*) WTF_INTERNAL;
 228 char* JIT_OPERATION operationVirtualCall(ExecState*, CallLinkInfo*) WTF_INTERNAL;
 229 char* JIT_OPERATION operationVirtualConstruct(ExecState*, CallLinkInfo*) WTF_INTERNAL;
 230 char* JIT_OPERATION operationLinkConstruct(ExecState*, CallLinkInfo*) WTF_INTERNAL;
 231 char* JIT_OPERATION operationLinkCallThatPreservesRegs(ExecState*, CallLinkInfo*) WTF_INTERNAL;
 232 char* JIT_OPERATION operationLinkClosureCallThatPreservesRegs(ExecState*, CallLinkInfo*) WTF_INTERNAL;
 233 char* JIT_OPERATION operationVirtualCallThatPreservesRegs(ExecState*, CallLinkInfo*) WTF_INTERNAL;
 234 char* JIT_OPERATION operationVirtualConstructThatPreservesRegs(ExecState*, CallLinkInfo*) WTF_INTERNAL;
 235 char* JIT_OPERATION operationLinkConstructThatPreservesRegs(ExecState*, CallLinkInfo*) WTF_INTERNAL;
 236
 237 size_t JIT_OPERATION operationCompareLess(ExecState*, EncodedJSValue, EncodedJSValue) WTF_INTERNAL;
 238 size_t JIT_OPERATION operationCompareLessEq(ExecState*, EncodedJSValue, EncodedJSValue) WTF_INTERNAL;
 239 size_t JIT_OPERATION operationCompareGreater(ExecState*, EncodedJSValue, EncodedJSValue) WTF_INTERNAL;
 240 size_t JIT_OPERATION operationCompareGreaterEq(ExecState*, EncodedJSValue, EncodedJSValue) WTF_INTERNAL;
 241 size_t JIT_OPERATION operationConvertJSValueToBoolean(ExecState*, EncodedJSValue) WTF_INTERNAL;
 242 size_t JIT_OPERATION operationCompareEq(ExecState*, EncodedJSValue, EncodedJSValue) WTF_INTERNAL;
 243 #if USE(JSVALUE64)
 244 EncodedJSValue JIT_OPERATION operationCompareStringEq(ExecState*, JSCell* left, JSCell* right) WTF_INTERNAL;
 245 #else
 246 size_t JIT_OPERATION operationCompareStringEq(ExecState*, JSCell* left, JSCell* right) WTF_INTERNAL;
 247 #endif
 248 size_t JIT_OPERATION operationHasProperty(ExecState*, JSObject*, JSString*) WTF_INTERNAL;
 249 EncodedJSValue JIT_OPERATION operationNewArrayWithProfile(ExecState*, ArrayAllocationProfile*, const JSValue* values, int32_t size) WTF_INTERNAL;
 250 EncodedJSValue JIT_OPERATION operationNewArrayBufferWithProfile(ExecState*, ArrayAllocationProfile*, const JSValue* values, int32_t size) WTF_INTERNAL;
 251 EncodedJSValue JIT_OPERATION operationNewArrayWithSizeAndProfile(ExecState*, ArrayAllocationProfile*, EncodedJSValue size) WTF_INTERNAL;
 252 EncodedJSValue JIT_OPERATION operationNewFunction(ExecState*, JSCell*) WTF_INTERNAL;
 253 JSCell* JIT_OPERATION operationNewObject(ExecState*, Structure*) WTF_INTERNAL;
 254 EncodedJSValue JIT_OPERATION operationNewRegexp(ExecState*, void*) WTF_INTERNAL;
 255 void JIT_OPERATION operationHandleWatchdogTimer(ExecState*) WTF_INTERNAL;
 256 void JIT_OPERATION operationThrowStaticError(ExecState*, EncodedJSValue, int32_t) WTF_INTERNAL;
 257 void JIT_OPERATION operationThrow(ExecState*, EncodedJSValue) WTF_INTERNAL;
 258 void JIT_OPERATION operationDebug(ExecState*, int32_t) WTF_INTERNAL;
 259 #if ENABLE(DFG_JIT)
 260 SlowPathReturnType JIT_OPERATION operationOptimize(ExecState*, int32_t) WTF_INTERNAL;
 261 #endif
 262 void JIT_OPERATION operationPutByIndex(ExecState*, EncodedJSValue, int32_t, EncodedJSValue);
 263 #if USE(JSVALUE64)
 264 void JIT_OPERATION operationPutGetterSetter(ExecState*, EncodedJSValue, Identifier*, EncodedJSValue, EncodedJSValue) WTF_INTERNAL;
 265 #else
 266 void JIT_OPERATION operationPutGetterSetter(ExecState*, JSCell*, Identifier*, JSCell*, JSCell*) WTF_INTERNAL;
 267 #endif
 268 void JIT_OPERATION operationPushNameScope(ExecState*, Identifier*, EncodedJSValue, int32_t) WTF_INTERNAL;
 269 void JIT_OPERATION operationPushWithScope(ExecState*, EncodedJSValue) WTF_INTERNAL;
 270 void JIT_OPERATION operationPopScope(ExecState*) WTF_INTERNAL;
 271 void JIT_OPERATION operationProfileDidCall(ExecState*, EncodedJSValue) WTF_INTERNAL;
 272 void JIT_OPERATION operationProfileWillCall(ExecState*, EncodedJSValue) WTF_INTERNAL;
 273 EncodedJSValue JIT_OPERATION operationCheckHasInstance(ExecState*, EncodedJSValue, EncodedJSValue baseVal) WTF_INTERNAL;
 274 JSCell* JIT_OPERATION operationCreateActivation(ExecState*, int32_t offset) WTF_INTERNAL;
 275 JSCell* JIT_OPERATION operationCreateArguments(ExecState*) WTF_INTERNAL;
 276 JSCell* JIT_OPERATION operationCreateArgumentsDuringOSRExit(ExecState*) WTF_INTERNAL;
 277 EncodedJSValue JIT_OPERATION operationGetArgumentsLength(ExecState*, int32_t) WTF_INTERNAL;
 278 EncodedJSValue JIT_OPERATION operationGetByValDefault(ExecState*, EncodedJSValue encodedBase, EncodedJSValue encodedSubscript) WTF_INTERNAL;
 279 EncodedJSValue JIT_OPERATION operationGetByValGeneric(ExecState*, EncodedJSValue encodedBase, EncodedJSValue encodedSubscript) WTF_INTERNAL;
 280 EncodedJSValue JIT_OPERATION operationGetByValString(ExecState*, EncodedJSValue encodedBase, EncodedJSValue encodedSubscript) WTF_INTERNAL;
 281 void JIT_OPERATION operationTearOffActivation(ExecState*, JSCell*) WTF_INTERNAL;
 282 void JIT_OPERATION operationTearOffArguments(ExecState*, JSCell*, JSCell*) WTF_INTERNAL;
 283 EncodedJSValue JIT_OPERATION operationDeleteById(ExecState*, EncodedJSValue base, const Identifier*) WTF_INTERNAL;
 284 JSCell* JIT_OPERATION operationGetPNames(ExecState*, JSObject*) WTF_INTERNAL;
 285 EncodedJSValue JIT_OPERATION operationInstanceOf(ExecState*, EncodedJSValue, EncodedJSValue proto) WTF_INTERNAL;
 286 CallFrame* JIT_OPERATION operationSizeFrameForVarargs(ExecState*, EncodedJSValue arguments, int32_t firstFreeRegister, int32_t firstVarArgOffset) WTF_INTERNAL;
 287 CallFrame* JIT_OPERATION operationLoadVarargs(ExecState*, CallFrame*, EncodedJSValue thisValue, EncodedJSValue arguments, int32_t firstVarArgOffset) WTF_INTERNAL;
 288 EncodedJSValue JIT_OPERATION operationToObject(ExecState*, EncodedJSValue) WTF_INTERNAL;
 289
 290 char* JIT_OPERATION operationSwitchCharWithUnknownKeyType(ExecState*, EncodedJSValue key, size_t tableIndex) WTF_INTERNAL;
 291 char* JIT_OPERATION operationSwitchImmWithUnknownKeyType(ExecState*, EncodedJSValue key, size_t tableIndex) WTF_INTERNAL;
 292 char* JIT_OPERATION operationSwitchStringWithUnknownKeyType(ExecState*, EncodedJSValue key, size_t tableIndex) WTF_INTERNAL;
 293 EncodedJSValue JIT_OPERATION operationResolveScope(ExecState*, int32_t identifierIndex) WTF_INTERNAL;
 294 EncodedJSValue JIT_OPERATION operationGetFromScope(ExecState*, Instruction* bytecodePC) WTF_INTERNAL;
 295 void JIT_OPERATION operationPutToScope(ExecState*, Instruction* bytecodePC) WTF_INTERNAL;
 296
 297 void JIT_OPERATION operationFlushWriteBarrierBuffer(ExecState*, JSCell*);
 298 void JIT_OPERATION operationWriteBarrier(ExecState*, JSCell*, JSCell*);
 299 void JIT_OPERATION operationUnconditionalWriteBarrier(ExecState*, JSCell*);
 300 void JIT_OPERATION operationOSRWriteBarrier(ExecState*, JSCell*);
 301
 302 void JIT_OPERATION operationInitGlobalConst(ExecState*, Instruction*);
 303
 304 void JIT_OPERATION operationExceptionFuzz();
 305
 306 } // extern "C"
 307
 308 inline P_JITOperation_ECli operationLinkFor(
 309     CodeSpecializationKind kind, RegisterPreservationMode registers)
 310 {
 311     switch (kind) {
 312     case CodeForCall:
 313         switch (registers) {
 314         case RegisterPreservationNotRequired:
 315             return operationLinkCall;
 316         case MustPreserveRegisters:
 317             return operationLinkCallThatPreservesRegs;
 318         }
 319         break;
 320     case CodeForConstruct:
 321         switch (registers) {
 322         case RegisterPreservationNotRequired:
 323             return operationLinkConstruct;
 324         case MustPreserveRegisters:
 325             return operationLinkConstructThatPreservesRegs;
 326         }
 327         break;
 328     }
 329     RELEASE_ASSERT_NOT_REACHED();
 330     return 0;
 331 }
 332
 333 inline P_JITOperation_ECli operationVirtualFor(
 334     CodeSpecializationKind kind, RegisterPreservationMode registers)
 335 {
 336     switch (kind) {
 337     case CodeForCall:
 338         switch (registers) {
 339         case RegisterPreservationNotRequired:
 340             return operationVirtualCall;
 341         case MustPreserveRegisters:
 342             return operationVirtualCallThatPreservesRegs;
 343         }
 344         break;
 345     case CodeForConstruct:
 346         switch (registers) {
 347         case RegisterPreservationNotRequired:
 348             return operationVirtualConstruct;
 349         case MustPreserveRegisters:
 350             return operationVirtualConstructThatPreservesRegs;
 351         }
 352         break;
 353     }
 354     RELEASE_ASSERT_NOT_REACHED();
 355     return 0;
 356 }
 357
 358 inline P_JITOperation_ECli operationLinkClosureCallFor(RegisterPreservationMode registers)
 359 {
 360     switch (registers) {
 361     case RegisterPreservationNotRequired:
 362         return operationLinkClosureCall;
 363     case MustPreserveRegisters:
 364         return operationLinkClosureCallThatPreservesRegs;
 365     }
 366     RELEASE_ASSERT_NOT_REACHED();
 367     return 0;
 368 }
 369
 370 } // namespace JSC
 371
 372 #endif // ENABLE(JIT)
 373
 374 #endif // JITOperations_h
 375