jit/JITStubs.h

   1 /*
   2  * Copyright (C) 2008 Apple Inc. All rights reserved.
   3  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * 1.  Redistributions of source code must retain the above copyright
  10  *     notice, this list of conditions and the following disclaimer.
  11  * 2.  Redistributions in binary form must reproduce the above copyright
  12  *     notice, this list of conditions and the following disclaimer in the
  13  *     documentation and/or other materials provided with the distribution.
  14  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
  15  *     its contributors may be used to endorse or promote products derived
  16  *     from this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
  19  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  20  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  21  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
  22  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  23  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  24  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  25  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #ifndef JITStubs_h
  31 #define JITStubs_h
  32
  33 #include "CallData.h"
  34 #include "Intrinsic.h"
  35 #include "LowLevelInterpreter.h"
  36 #include "MacroAssemblerCodeRef.h"
  37 #include "Register.h"
  38 #include "ThunkGenerators.h"
  39 #include <wtf/HashMap.h>
  40
  41 namespace JSC {
  42
  43 #if ENABLE(JIT)
  44
  45     struct StructureStubInfo;
  46
  47     class CodeBlock;
  48     class ExecutablePool;
  49     class FunctionExecutable;
  50     class Identifier;
  51     class JSGlobalData;
  52     class JSGlobalObject;
  53     class JSObject;
  54     class JSPropertyNameIterator;
  55     class JSValue;
  56     class JSValueEncodedAsPointer;
  57     class NativeExecutable;
  58     class Profiler;
  59     class PropertySlot;
  60     class PutPropertySlot;
  61     class RegisterFile;
  62     class RegExp;
  63     class Structure;
  64
  65     template <typename T> class Weak;
  66
  67     union JITStubArg {
  68         void* asPointer;
  69         EncodedJSValue asEncodedJSValue;
  70         int32_t asInt32;
  71
  72         JSValue jsValue() { return JSValue::decode(asEncodedJSValue); }
  73         JSObject* jsObject() { return static_cast<JSObject*>(asPointer); }
  74         Register* reg() { return static_cast<Register*>(asPointer); }
  75         Identifier& identifier() { return *static_cast<Identifier*>(asPointer); }
  76         int32_t int32() { return asInt32; }
  77         CodeBlock* codeBlock() { return static_cast<CodeBlock*>(asPointer); }
  78         FunctionExecutable* function() { return static_cast<FunctionExecutable*>(asPointer); }
  79         RegExp* regExp() { return static_cast<RegExp*>(asPointer); }
  80         JSPropertyNameIterator* propertyNameIterator() { return static_cast<JSPropertyNameIterator*>(asPointer); }
  81         JSGlobalObject* globalObject() { return static_cast<JSGlobalObject*>(asPointer); }
  82         JSString* jsString() { return static_cast<JSString*>(asPointer); }
  83         Structure* structure() { return static_cast<Structure*>(asPointer); }
  84         ReturnAddressPtr returnAddress() { return ReturnAddressPtr(asPointer); }
  85     };
  86
  87     struct TrampolineStructure {
  88         MacroAssemblerCodePtr ctiStringLengthTrampoline;
  89         MacroAssemblerCodePtr ctiVirtualCallLink;
  90         MacroAssemblerCodePtr ctiVirtualConstructLink;
  91         MacroAssemblerCodePtr ctiVirtualCall;
  92         MacroAssemblerCodePtr ctiVirtualConstruct;
  93         MacroAssemblerCodePtr ctiNativeCall;
  94         MacroAssemblerCodePtr ctiNativeConstruct;
  95     };
  96
  97 #if CPU(X86_64)
  98     struct JITStackFrame {
  99         void* reserved; // Unused
 100         JITStubArg args[6];
 101         void* padding[2]; // Maintain 32-byte stack alignment (possibly overkill).
 102
 103         void* code;
 104         RegisterFile* registerFile;
 105         CallFrame* callFrame;
 106         void* unused1;
 107         Profiler** enabledProfilerReference;
 108         JSGlobalData* globalData;
 109
 110         void* savedRBX;
 111         void* savedR15;
 112         void* savedR14;
 113         void* savedR13;
 114         void* savedR12;
 115         void* savedRBP;
 116         void* savedRIP;
 117
 118         // When JIT code makes a call, it pushes its return address just below the rest of the stack.
 119         ReturnAddressPtr* returnAddressSlot() { return reinterpret_cast<ReturnAddressPtr*>(this) - 1; }
 120     };
 121 #elif CPU(X86)
 122 #if COMPILER(MSVC) || (OS(WINDOWS) && COMPILER(GCC))
 123 #pragma pack(push)
 124 #pragma pack(4)
 125 #endif // COMPILER(MSVC) || (OS(WINDOWS) && COMPILER(GCC))
 126     struct JITStackFrame {
 127         void* reserved; // Unused
 128         JITStubArg args[6];
 129 #if USE(JSVALUE32_64)
 130         void* padding[2]; // Maintain 16-byte stack alignment.
 131 #endif
 132
 133         void* savedEBX;
 134         void* savedEDI;
 135         void* savedESI;
 136         void* savedEBP;
 137         void* savedEIP;
 138
 139         void* code;
 140         RegisterFile* registerFile;
 141         CallFrame* callFrame;
 142         void* unused1;
 143         Profiler** enabledProfilerReference;
 144         JSGlobalData* globalData;
 145
 146         // When JIT code makes a call, it pushes its return address just below the rest of the stack.
 147         ReturnAddressPtr* returnAddressSlot() { return reinterpret_cast<ReturnAddressPtr*>(this) - 1; }
 148     };
 149 #if COMPILER(MSVC) || (OS(WINDOWS) && COMPILER(GCC))
 150 #pragma pack(pop)
 151 #endif // COMPILER(MSVC) || (OS(WINDOWS) && COMPILER(GCC))
 152 #elif CPU(ARM_THUMB2)
 153     struct JITStackFrame {
 154         JITStubArg reserved; // Unused
 155         JITStubArg args[6];
 156
 157         ReturnAddressPtr thunkReturnAddress;
 158
 159         void* preservedReturnAddress;
 160         void* preservedR4;
 161         void* preservedR5;
 162         void* preservedR6;
 163         void* preservedR7;
 164         void* preservedR8;
 165         void* preservedR9;
 166         void* preservedR10;
 167         void* preservedR11;
 168
 169         // These arguments passed in r1..r3 (r0 contained the entry code pointed, which is not preserved)
 170         RegisterFile* registerFile;
 171         CallFrame* callFrame;
 172
 173         // These arguments passed on the stack.
 174         Profiler** enabledProfilerReference;
 175         JSGlobalData* globalData;
 176
 177         ReturnAddressPtr* returnAddressSlot() { return &thunkReturnAddress; }
 178     };
 179 #elif CPU(ARM_TRADITIONAL)
 180 #if COMPILER(MSVC)
 181 #pragma pack(push)
 182 #pragma pack(4)
 183 #endif // COMPILER(MSVC)
 184     struct JITStackFrame {
 185         JITStubArg padding; // Unused
 186         JITStubArg args[7];
 187
 188         ReturnAddressPtr thunkReturnAddress;
 189
 190         void* preservedR4;
 191         void* preservedR5;
 192         void* preservedR6;
 193         void* preservedR7;
 194         void* preservedR8;
 195         void* preservedLink;
 196
 197         RegisterFile* registerFile;
 198         CallFrame* callFrame;
 199         void* unused1;
 200
 201         // These arguments passed on the stack.
 202         Profiler** enabledProfilerReference;
 203         JSGlobalData* globalData;
 204
 205         // When JIT code makes a call, it pushes its return address just below the rest of the stack.
 206         ReturnAddressPtr* returnAddressSlot() { return &thunkReturnAddress; }
 207     };
 208 #if COMPILER(MSVC)
 209 #pragma pack(pop)
 210 #endif // COMPILER(MSVC)
 211 #elif CPU(MIPS)
 212     struct JITStackFrame {
 213         JITStubArg reserved; // Unused
 214         JITStubArg args[6];
 215
 216 #if USE(JSVALUE32_64)
 217         void* padding; // Make the overall stack length 8-byte aligned.
 218 #endif
 219
 220         void* preservedGP; // store GP when using PIC code
 221         void* preservedS0;
 222         void* preservedS1;
 223         void* preservedS2;
 224         void* preservedReturnAddress;
 225
 226         ReturnAddressPtr thunkReturnAddress;
 227
 228         // These arguments passed in a1..a3 (a0 contained the entry code pointed, which is not preserved)
 229         RegisterFile* registerFile;
 230         CallFrame* callFrame;
 231         void* unused1;
 232
 233         // These arguments passed on the stack.
 234         Profiler** enabledProfilerReference;
 235         JSGlobalData* globalData;
 236
 237         ReturnAddressPtr* returnAddressSlot() { return &thunkReturnAddress; }
 238     };
 239 #elif CPU(SH4)
 240     struct JITStackFrame {
 241         JITStubArg padding; // Unused
 242         JITStubArg args[6];
 243
 244         ReturnAddressPtr thunkReturnAddress;
 245         void* savedR10;
 246         void* savedR11;
 247         void* savedR13;
 248         void* savedRPR;
 249         void* savedR14;
 250         void* savedTimeoutReg;
 251
 252         RegisterFile* registerFile;
 253         CallFrame* callFrame;
 254         JSValue* exception;
 255         Profiler** enabledProfilerReference;
 256         JSGlobalData* globalData;
 257
 258         ReturnAddressPtr* returnAddressSlot() { return &thunkReturnAddress; }
 259     };
 260 #else
 261 #error "JITStackFrame not defined for this platform."
 262 #endif
 263
 264 #define JITSTACKFRAME_ARGS_INDEX (OBJECT_OFFSETOF(JITStackFrame, args) / sizeof(void*))
 265
 266 #define STUB_ARGS_DECLARATION void** args
 267 #define STUB_ARGS (args)
 268
 269 #if CPU(X86)
 270     #if COMPILER(MSVC)
 271     #define JIT_STUB __fastcall
 272     #elif COMPILER(GCC)
 273     #define JIT_STUB  __attribute__ ((fastcall))
 274     #elif COMPILER(SUNCC)
 275     #define JIT_STUB
 276     #else
 277     #error "JIT_STUB function calls require fastcall conventions on x86, add appropriate directive/attribute here for your compiler!"
 278     #endif
 279 #else
 280     #define JIT_STUB
 281 #endif
 282
 283     extern "C" void ctiVMThrowTrampoline();
 284     extern "C" void ctiOpThrowNotCaught();
 285     extern "C" EncodedJSValue ctiTrampoline(void* code, RegisterFile*, CallFrame*, void* /*unused1*/, Profiler**, JSGlobalData*);
 286 #if ENABLE(DFG_JIT)
 287     extern "C" void ctiTrampolineEnd();
 288
 289     inline bool returnAddressIsInCtiTrampoline(ReturnAddressPtr returnAddress)
 290     {
 291         return returnAddress.value() >= bitwise_cast<void*>(&ctiTrampoline)
 292             && returnAddress.value() < bitwise_cast<void*>(&ctiTrampolineEnd);
 293     }
 294 #endif
 295
 296     class JITThunks {
 297     public:
 298         JITThunks(JSGlobalData*);
 299         ~JITThunks();
 300
 301         static void tryCacheGetByID(CallFrame*, CodeBlock*, ReturnAddressPtr returnAddress, JSValue baseValue, const Identifier& propertyName, const PropertySlot&, StructureStubInfo* stubInfo);
 302         static void tryCachePutByID(CallFrame*, CodeBlock*, ReturnAddressPtr returnAddress, JSValue baseValue, const PutPropertySlot&, StructureStubInfo* stubInfo, bool direct);
 303
 304         MacroAssemblerCodePtr ctiStringLengthTrampoline() { return m_trampolineStructure.ctiStringLengthTrampoline; }
 305         MacroAssemblerCodePtr ctiVirtualCallLink() { return m_trampolineStructure.ctiVirtualCallLink; }
 306         MacroAssemblerCodePtr ctiVirtualConstructLink() { return m_trampolineStructure.ctiVirtualConstructLink; }
 307         MacroAssemblerCodePtr ctiVirtualCall() { return m_trampolineStructure.ctiVirtualCall; }
 308         MacroAssemblerCodePtr ctiVirtualConstruct() { return m_trampolineStructure.ctiVirtualConstruct; }
 309         MacroAssemblerCodePtr ctiNativeCall()
 310         {
 311 #if ENABLE(LLINT)
 312             if (!m_executableMemory)
 313                 return MacroAssemblerCodePtr::createLLIntCodePtr(llint_native_call_trampoline);
 314 #endif
 315             return m_trampolineStructure.ctiNativeCall;
 316         }
 317         MacroAssemblerCodePtr ctiNativeConstruct()
 318         {
 319 #if ENABLE(LLINT)
 320             if (!m_executableMemory)
 321                 return MacroAssemblerCodePtr::createLLIntCodePtr(llint_native_construct_trampoline);
 322 #endif
 323             return m_trampolineStructure.ctiNativeConstruct;
 324         }
 325
 326         MacroAssemblerCodeRef ctiStub(JSGlobalData*, ThunkGenerator);
 327
 328         NativeExecutable* hostFunctionStub(JSGlobalData*, NativeFunction, NativeFunction constructor);
 329         NativeExecutable* hostFunctionStub(JSGlobalData*, NativeFunction, ThunkGenerator, Intrinsic);
 330
 331         void clearHostFunctionStubs();
 332
 333     private:
 334         typedef HashMap<ThunkGenerator, MacroAssemblerCodeRef> CTIStubMap;
 335         CTIStubMap m_ctiStubMap;
 336         typedef HashMap<NativeFunction, Weak<NativeExecutable> > HostFunctionStubMap;
 337         OwnPtr<HostFunctionStubMap> m_hostFunctionStubMap;
 338         RefPtr<ExecutableMemoryHandle> m_executableMemory;
 339
 340         TrampolineStructure m_trampolineStructure;
 341     };
 342
 343 extern "C" {
 344     EncodedJSValue JIT_STUB cti_op_add(STUB_ARGS_DECLARATION);
 345     EncodedJSValue JIT_STUB cti_op_bitand(STUB_ARGS_DECLARATION);
 346     EncodedJSValue JIT_STUB cti_op_bitor(STUB_ARGS_DECLARATION);
 347     EncodedJSValue JIT_STUB cti_op_bitxor(STUB_ARGS_DECLARATION);
 348     EncodedJSValue JIT_STUB cti_op_call_NotJSFunction(STUB_ARGS_DECLARATION);
 349     EncodedJSValue JIT_STUB cti_op_call_eval(STUB_ARGS_DECLARATION);
 350     EncodedJSValue JIT_STUB cti_op_construct_NotJSConstruct(STUB_ARGS_DECLARATION);
 351     EncodedJSValue JIT_STUB cti_op_create_this(STUB_ARGS_DECLARATION);
 352     EncodedJSValue JIT_STUB cti_op_convert_this(STUB_ARGS_DECLARATION);
 353     EncodedJSValue JIT_STUB cti_op_create_arguments(STUB_ARGS_DECLARATION);
 354     EncodedJSValue JIT_STUB cti_op_del_by_id(STUB_ARGS_DECLARATION);
 355     EncodedJSValue JIT_STUB cti_op_del_by_val(STUB_ARGS_DECLARATION);
 356     EncodedJSValue JIT_STUB cti_op_div(STUB_ARGS_DECLARATION);
 357     EncodedJSValue JIT_STUB cti_op_get_by_id(STUB_ARGS_DECLARATION);
 358     EncodedJSValue JIT_STUB cti_op_get_by_id_array_fail(STUB_ARGS_DECLARATION);
 359     EncodedJSValue JIT_STUB cti_op_get_by_id_custom_stub(STUB_ARGS_DECLARATION);
 360     EncodedJSValue JIT_STUB cti_op_get_by_id_generic(STUB_ARGS_DECLARATION);
 361     EncodedJSValue JIT_STUB cti_op_get_by_id_getter_stub(STUB_ARGS_DECLARATION);
 362     EncodedJSValue JIT_STUB cti_op_get_by_id_method_check(STUB_ARGS_DECLARATION);
 363     EncodedJSValue JIT_STUB cti_op_get_by_id_method_check_update(STUB_ARGS_DECLARATION);
 364     EncodedJSValue JIT_STUB cti_op_get_by_id_proto_fail(STUB_ARGS_DECLARATION);
 365     EncodedJSValue JIT_STUB cti_op_get_by_id_proto_list(STUB_ARGS_DECLARATION);
 366     EncodedJSValue JIT_STUB cti_op_get_by_id_proto_list_full(STUB_ARGS_DECLARATION);
 367     EncodedJSValue JIT_STUB cti_op_get_by_id_self_fail(STUB_ARGS_DECLARATION);
 368     EncodedJSValue JIT_STUB cti_op_get_by_id_string_fail(STUB_ARGS_DECLARATION);
 369     EncodedJSValue JIT_STUB cti_op_get_by_val(STUB_ARGS_DECLARATION);
 370     EncodedJSValue JIT_STUB cti_op_get_by_val_string(STUB_ARGS_DECLARATION);
 371     EncodedJSValue JIT_STUB cti_op_in(STUB_ARGS_DECLARATION);
 372     EncodedJSValue JIT_STUB cti_op_instanceof(STUB_ARGS_DECLARATION);
 373     EncodedJSValue JIT_STUB cti_op_is_boolean(STUB_ARGS_DECLARATION);
 374     EncodedJSValue JIT_STUB cti_op_is_function(STUB_ARGS_DECLARATION);
 375     EncodedJSValue JIT_STUB cti_op_is_number(STUB_ARGS_DECLARATION);
 376     EncodedJSValue JIT_STUB cti_op_is_object(STUB_ARGS_DECLARATION);
 377     EncodedJSValue JIT_STUB cti_op_is_string(STUB_ARGS_DECLARATION);
 378     EncodedJSValue JIT_STUB cti_op_is_undefined(STUB_ARGS_DECLARATION);
 379     EncodedJSValue JIT_STUB cti_op_less(STUB_ARGS_DECLARATION);
 380     EncodedJSValue JIT_STUB cti_op_lesseq(STUB_ARGS_DECLARATION);
 381     EncodedJSValue JIT_STUB cti_op_greater(STUB_ARGS_DECLARATION);
 382     EncodedJSValue JIT_STUB cti_op_greatereq(STUB_ARGS_DECLARATION);
 383     EncodedJSValue JIT_STUB cti_op_lshift(STUB_ARGS_DECLARATION);
 384     EncodedJSValue JIT_STUB cti_op_mod(STUB_ARGS_DECLARATION);
 385     EncodedJSValue JIT_STUB cti_op_mul(STUB_ARGS_DECLARATION);
 386     EncodedJSValue JIT_STUB cti_op_negate(STUB_ARGS_DECLARATION);
 387     EncodedJSValue JIT_STUB cti_op_not(STUB_ARGS_DECLARATION);
 388     EncodedJSValue JIT_STUB cti_op_nstricteq(STUB_ARGS_DECLARATION);
 389     EncodedJSValue JIT_STUB cti_op_post_dec(STUB_ARGS_DECLARATION);
 390     EncodedJSValue JIT_STUB cti_op_post_inc(STUB_ARGS_DECLARATION);
 391     EncodedJSValue JIT_STUB cti_op_pre_dec(STUB_ARGS_DECLARATION);
 392     EncodedJSValue JIT_STUB cti_op_pre_inc(STUB_ARGS_DECLARATION);
 393     EncodedJSValue JIT_STUB cti_op_resolve(STUB_ARGS_DECLARATION);
 394     EncodedJSValue JIT_STUB cti_op_resolve_base(STUB_ARGS_DECLARATION);
 395     EncodedJSValue JIT_STUB cti_op_resolve_base_strict_put(STUB_ARGS_DECLARATION);
 396     EncodedJSValue JIT_STUB cti_op_ensure_property_exists(STUB_ARGS_DECLARATION);
 397     EncodedJSValue JIT_STUB cti_op_resolve_global(STUB_ARGS_DECLARATION);
 398     EncodedJSValue JIT_STUB cti_op_resolve_global_dynamic(STUB_ARGS_DECLARATION);
 399     EncodedJSValue JIT_STUB cti_op_resolve_skip(STUB_ARGS_DECLARATION);
 400     EncodedJSValue JIT_STUB cti_op_resolve_with_base(STUB_ARGS_DECLARATION);
 401     EncodedJSValue JIT_STUB cti_op_resolve_with_this(STUB_ARGS_DECLARATION);
 402     EncodedJSValue JIT_STUB cti_op_rshift(STUB_ARGS_DECLARATION);
 403     EncodedJSValue JIT_STUB cti_op_strcat(STUB_ARGS_DECLARATION);
 404     EncodedJSValue JIT_STUB cti_op_stricteq(STUB_ARGS_DECLARATION);
 405     EncodedJSValue JIT_STUB cti_op_sub(STUB_ARGS_DECLARATION);
 406     EncodedJSValue JIT_STUB cti_op_to_jsnumber(STUB_ARGS_DECLARATION);
 407     EncodedJSValue JIT_STUB cti_op_to_primitive(STUB_ARGS_DECLARATION);
 408     EncodedJSValue JIT_STUB cti_op_typeof(STUB_ARGS_DECLARATION);
 409     EncodedJSValue JIT_STUB cti_op_urshift(STUB_ARGS_DECLARATION);
 410     EncodedJSValue JIT_STUB cti_to_object(STUB_ARGS_DECLARATION);
 411     JSObject* JIT_STUB cti_op_new_array(STUB_ARGS_DECLARATION);
 412     JSObject* JIT_STUB cti_op_new_array_buffer(STUB_ARGS_DECLARATION);
 413     JSObject* JIT_STUB cti_op_new_func(STUB_ARGS_DECLARATION);
 414     JSObject* JIT_STUB cti_op_new_func_exp(STUB_ARGS_DECLARATION);
 415     JSObject* JIT_STUB cti_op_new_object(STUB_ARGS_DECLARATION);
 416     JSObject* JIT_STUB cti_op_new_regexp(STUB_ARGS_DECLARATION);
 417     JSObject* JIT_STUB cti_op_push_activation(STUB_ARGS_DECLARATION);
 418     JSObject* JIT_STUB cti_op_push_new_scope(STUB_ARGS_DECLARATION);
 419     JSObject* JIT_STUB cti_op_push_scope(STUB_ARGS_DECLARATION);
 420     JSObject* JIT_STUB cti_op_put_by_id_transition_realloc(STUB_ARGS_DECLARATION);
 421     JSPropertyNameIterator* JIT_STUB cti_op_get_pnames(STUB_ARGS_DECLARATION);
 422     int JIT_STUB cti_op_eq(STUB_ARGS_DECLARATION);
 423     int JIT_STUB cti_op_eq_strings(STUB_ARGS_DECLARATION);
 424     int JIT_STUB cti_op_jless(STUB_ARGS_DECLARATION);
 425     int JIT_STUB cti_op_jlesseq(STUB_ARGS_DECLARATION);
 426     int JIT_STUB cti_op_jgreater(STUB_ARGS_DECLARATION);
 427     int JIT_STUB cti_op_jgreatereq(STUB_ARGS_DECLARATION);
 428     int JIT_STUB cti_op_jtrue(STUB_ARGS_DECLARATION);
 429     void* JIT_STUB cti_op_load_varargs(STUB_ARGS_DECLARATION);
 430     int JIT_STUB cti_timeout_check(STUB_ARGS_DECLARATION);
 431     int JIT_STUB cti_has_property(STUB_ARGS_DECLARATION);
 432     void JIT_STUB cti_op_check_has_instance(STUB_ARGS_DECLARATION);
 433     void JIT_STUB cti_op_debug(STUB_ARGS_DECLARATION);
 434     void JIT_STUB cti_op_end(STUB_ARGS_DECLARATION);
 435     void JIT_STUB cti_op_jmp_scopes(STUB_ARGS_DECLARATION);
 436     void JIT_STUB cti_op_pop_scope(STUB_ARGS_DECLARATION);
 437     void JIT_STUB cti_op_profile_did_call(STUB_ARGS_DECLARATION);
 438     void JIT_STUB cti_op_profile_will_call(STUB_ARGS_DECLARATION);
 439     void JIT_STUB cti_op_put_by_id(STUB_ARGS_DECLARATION);
 440     void JIT_STUB cti_op_put_by_id_fail(STUB_ARGS_DECLARATION);
 441     void JIT_STUB cti_op_put_by_id_generic(STUB_ARGS_DECLARATION);
 442     void JIT_STUB cti_op_put_by_id_direct(STUB_ARGS_DECLARATION);
 443     void JIT_STUB cti_op_put_by_id_direct_fail(STUB_ARGS_DECLARATION);
 444     void JIT_STUB cti_op_put_by_id_direct_generic(STUB_ARGS_DECLARATION);
 445     void JIT_STUB cti_op_put_by_index(STUB_ARGS_DECLARATION);
 446     void JIT_STUB cti_op_put_by_val(STUB_ARGS_DECLARATION);
 447     void JIT_STUB cti_op_put_getter_setter(STUB_ARGS_DECLARATION);
 448     void JIT_STUB cti_op_tear_off_activation(STUB_ARGS_DECLARATION);
 449     void JIT_STUB cti_op_tear_off_arguments(STUB_ARGS_DECLARATION);
 450     void JIT_STUB cti_op_throw_reference_error(STUB_ARGS_DECLARATION);
 451 #if ENABLE(DFG_JIT)
 452     void JIT_STUB cti_optimize_from_loop(STUB_ARGS_DECLARATION);
 453     void JIT_STUB cti_optimize_from_ret(STUB_ARGS_DECLARATION);
 454 #endif
 455     void* JIT_STUB cti_op_call_arityCheck(STUB_ARGS_DECLARATION);
 456     void* JIT_STUB cti_op_construct_arityCheck(STUB_ARGS_DECLARATION);
 457     void* JIT_STUB cti_op_call_jitCompile(STUB_ARGS_DECLARATION);
 458     void* JIT_STUB cti_op_construct_jitCompile(STUB_ARGS_DECLARATION);
 459     void* JIT_STUB cti_op_switch_char(STUB_ARGS_DECLARATION);
 460     void* JIT_STUB cti_op_switch_imm(STUB_ARGS_DECLARATION);
 461     void* JIT_STUB cti_op_switch_string(STUB_ARGS_DECLARATION);
 462     void* JIT_STUB cti_op_throw(STUB_ARGS_DECLARATION);
 463     void* JIT_STUB cti_register_file_check(STUB_ARGS_DECLARATION);
 464     void* JIT_STUB cti_vm_lazyLinkCall(STUB_ARGS_DECLARATION);
 465     void* JIT_STUB cti_vm_lazyLinkConstruct(STUB_ARGS_DECLARATION);
 466     void* JIT_STUB cti_vm_throw(STUB_ARGS_DECLARATION);
 467 } // extern "C"
 468
 469 #endif // ENABLE(JIT)
 470
 471 } // namespace JSC
 472
 473 #endif // JITStubs_h