]> git.saurik.com Git - apple/javascriptcore.git/blobdiff - jit/JITStubs.h
JavaScriptCore-1218.34.tar.gz
[apple/javascriptcore.git] / jit / JITStubs.h
index 317eca98378a5da6962827ad016fbd68bac734f2..9f8b0efa172e3e1a25610d1e903123cff85d59e4 100644 (file)
@@ -1,5 +1,6 @@
 /*
- * Copyright (C) 2008 Apple Inc. All rights reserved.
+ * Copyright (C) 2008, 2013 Apple Inc. All rights reserved.
+ * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
 #ifndef JITStubs_h
 #define JITStubs_h
 
-#include <wtf/Platform.h>
-
+#include "CallData.h"
+#include "Intrinsic.h"
+#include "LowLevelInterpreter.h"
 #include "MacroAssemblerCodeRef.h"
 #include "Register.h"
+#include "ResolveOperation.h"
+
+namespace JSC {
 
 #if ENABLE(JIT)
 
-namespace JSC {
+struct StructureStubInfo;
 
-    class CodeBlock;
-    class ExecutablePool;
-    class Identifier;
-    class JSGlobalData;
-    class JSGlobalData;
-    class JSObject;
-    class JSPropertyNameIterator;
-    class JSValue;
-    class JSValueEncodedAsPointer;
-    class Profiler;
-    class PropertySlot;
-    class PutPropertySlot;
-    class RegisterFile;
-    class FuncDeclNode;
-    class FuncExprNode;
-    class JSGlobalObject;
-    class RegExp;
-
-    union JITStubArg {
-        void* asPointer;
-        EncodedJSValue asEncodedJSValue;
-        int32_t asInt32;
-
-        JSValue jsValue() { return JSValue::decode(asEncodedJSValue); }
-        Identifier& identifier() { return *static_cast<Identifier*>(asPointer); }
-        int32_t int32() { return asInt32; }
-        CodeBlock* codeBlock() { return static_cast<CodeBlock*>(asPointer); }
-        FuncDeclNode* funcDeclNode() { return static_cast<FuncDeclNode*>(asPointer); }
-        FuncExprNode* funcExprNode() { return static_cast<FuncExprNode*>(asPointer); }
-        RegExp* regExp() { return static_cast<RegExp*>(asPointer); }
-        JSPropertyNameIterator* propertyNameIterator() { return static_cast<JSPropertyNameIterator*>(asPointer); }
-        JSGlobalObject* globalObject() { return static_cast<JSGlobalObject*>(asPointer); }
-        JSString* jsString() { return static_cast<JSString*>(asPointer); }
-        ReturnAddressPtr returnAddress() { return ReturnAddressPtr(asPointer); }
-    };
-
-#if PLATFORM(X86_64)
-    struct JITStackFrame {
-        void* reserved; // Unused
-        JITStubArg args[6];
-        void* padding[2]; // Maintain 32-byte stack alignment (possibly overkill).
-
-        void* savedRBX;
-        void* savedR15;
-        void* savedR14;
-        void* savedR13;
-        void* savedR12;
-        void* savedRBP;
-        void* savedRIP;
-
-        void* code;
-        RegisterFile* registerFile;
-        CallFrame* callFrame;
-        JSValue* exception;
-        Profiler** enabledProfilerReference;
-        JSGlobalData* globalData;
-
-        // When JIT code makes a call, it pushes its return address just below the rest of the stack.
-        ReturnAddressPtr* returnAddressSlot() { return reinterpret_cast<ReturnAddressPtr*>(this) - 1; }
-    };
-#elif PLATFORM(X86)
-#if COMPILER(MSVC)
+class ArrayAllocationProfile;
+class CodeBlock;
+class ExecutablePool;
+class FunctionExecutable;
+class Identifier;
+class VM;
+class JSGlobalObject;
+class JSObject;
+class JSPropertyNameIterator;
+class JSStack;
+class JSValue;
+class JSValueEncodedAsPointer;
+class LegacyProfiler;
+class NativeExecutable;
+class PropertySlot;
+class PutPropertySlot;
+class RegExp;
+class Structure;
+
+template <typename T> class Weak;
+
+union JITStubArg {
+    void* asPointer;
+    EncodedJSValue asEncodedJSValue;
+    int32_t asInt32;
+
+    JSValue jsValue() { return JSValue::decode(asEncodedJSValue); }
+    JSObject* jsObject() { return static_cast<JSObject*>(asPointer); }
+    Register* reg() { return static_cast<Register*>(asPointer); }
+    Identifier& identifier() { return *static_cast<Identifier*>(asPointer); }
+    int32_t int32() { return asInt32; }
+    CodeBlock* codeBlock() { return static_cast<CodeBlock*>(asPointer); }
+    FunctionExecutable* function() { return static_cast<FunctionExecutable*>(asPointer); }
+    RegExp* regExp() { return static_cast<RegExp*>(asPointer); }
+    JSPropertyNameIterator* propertyNameIterator() { return static_cast<JSPropertyNameIterator*>(asPointer); }
+    JSGlobalObject* globalObject() { return static_cast<JSGlobalObject*>(asPointer); }
+    JSString* jsString() { return static_cast<JSString*>(asPointer); }
+    Structure* structure() { return static_cast<Structure*>(asPointer); }
+    ReturnAddressPtr returnAddress() { return ReturnAddressPtr(asPointer); }
+    ResolveOperations* resolveOperations() { return static_cast<ResolveOperations*>(asPointer); }
+    PutToBaseOperation* putToBaseOperation() { return static_cast<PutToBaseOperation*>(asPointer); }
+    ArrayAllocationProfile* arrayAllocationProfile() { return static_cast<ArrayAllocationProfile*>(asPointer); }
+};
+    
+#if !OS(WINDOWS) && CPU(X86_64)
+struct JITStackFrame {
+    void* reserved; // Unused
+    JITStubArg args[6];
+    void* padding[2]; // Maintain 32-byte stack alignment (possibly overkill).
+
+    void* code;
+    JSStack* stack;
+    CallFrame* callFrame;
+    void* unused1;
+    void* unused2;
+    VM* vm;
+
+    void* savedRBX;
+    void* savedR15;
+    void* savedR14;
+    void* savedR13;
+    void* savedR12;
+    void* savedRBP;
+    void* savedRIP;
+
+    // When JIT code makes a call, it pushes its return address just below the rest of the stack.
+    ReturnAddressPtr* returnAddressSlot() { return reinterpret_cast<ReturnAddressPtr*>(this) - 1; }
+};
+#elif CPU(ARM64)
+struct JITStackFrame {
+    JITStubArg args[6];
+
+    ReturnAddressPtr thunkReturnAddress;
+
+    void* preservedReturnAddress;
+    void* preservedX19;
+    void* preservedX20;
+    void* preservedX21;
+    void* preservedX22;
+    void* preservedX23;
+    void* preservedX24;
+    void* preservedX25;
+    void* preservedX26;
+    void* preservedX27;
+    void* preservedX28;
+
+    JSStack* stack;
+    CallFrame* callFrame;
+    LegacyProfiler** enabledProfilerReference;
+    VM* vm;
+    
+    ReturnAddressPtr* returnAddressSlot() { return &thunkReturnAddress; }
+};
+#elif OS(WINDOWS) && CPU(X86_64)
+struct JITStackFrame {
+    void* shadow[4]; // Shadow space reserved for a callee's parameters home addresses
+    void* reserved; // Unused, also maintains the 16-bytes stack alignment
+    JITStubArg args[6];
+
+    void* savedRBX;
+    void* savedR15;
+    void* savedR14;
+    void* savedR13;
+    void* savedR12;
+    void* savedRBP;
+    void* savedRIP;
+
+    // Home addresses for our register passed parameters
+    // http://msdn.microsoft.com/en-us/library/ew5tede7.aspx
+    void* code;
+    JSStack* stack;
+    CallFrame* callFrame;
+    void* unused1;
+
+    // Passed on the stack
+    void* unused2;
+    VM* vm;
+
+    // When JIT code makes a call, it pushes its return address just below the rest of the stack.
+    ReturnAddressPtr* returnAddressSlot() { return reinterpret_cast<ReturnAddressPtr*>(this) - 1; }
+};
+#elif CPU(X86)
+#if COMPILER(MSVC) || (OS(WINDOWS) && COMPILER(GCC))
 #pragma pack(push)
 #pragma pack(4)
-#endif // COMPILER(MSVC)
-    struct JITStackFrame {
-        void* reserved; // Unused
-        JITStubArg args[6];
+#endif // COMPILER(MSVC) || (OS(WINDOWS) && COMPILER(GCC))
+struct JITStackFrame {
+    void* reserved; // Unused
+    JITStubArg args[6];
 #if USE(JSVALUE32_64)
-        void* padding[2]; // Maintain 16-byte stack alignment.
+    void* padding[2]; // Maintain 16-byte stack alignment.
 #endif
 
-        void* savedEBX;
-        void* savedEDI;
-        void* savedESI;
-        void* savedEBP;
-        void* savedEIP;
-
-        void* code;
-        RegisterFile* registerFile;
-        CallFrame* callFrame;
-        JSValue* exception;
-        Profiler** enabledProfilerReference;
-        JSGlobalData* globalData;
+    void* savedEBX;
+    void* savedEDI;
+    void* savedESI;
+    void* savedEBP;
+    void* savedEIP;
+
+    void* code;
+    JSStack* stack;
+    CallFrame* callFrame;
+    void* unused1;
+    void* unused2;
+    VM* vm;
+        
+    // When JIT code makes a call, it pushes its return address just below the rest of the stack.
+    ReturnAddressPtr* returnAddressSlot() { return reinterpret_cast<ReturnAddressPtr*>(this) - 1; }
+};
+#if COMPILER(MSVC) || (OS(WINDOWS) && COMPILER(GCC))
+#pragma pack(pop)
+#endif // COMPILER(MSVC) || (OS(WINDOWS) && COMPILER(GCC))
+#elif CPU(ARM_THUMB2)
+struct JITStackFrame {
+    JITStubArg reserved; // Unused
+    JITStubArg args[6];
+
+    ReturnAddressPtr thunkReturnAddress;
+
+    void* preservedReturnAddress;
+    void* preservedR4;
+    void* preservedR5;
+    void* preservedR6;
+    void* preservedR7;
+    void* preservedR8;
+    void* preservedR9;
+    void* preservedR10;
+    void* preservedR11;
+
+    // These arguments passed in r1..r3 (r0 contained the entry code pointed, which is not preserved)
+    JSStack* stack;
+    CallFrame* callFrame;
+
+    // These arguments passed on the stack.
+    void* unused1;
+    VM* vm;
         
-        // When JIT code makes a call, it pushes its return address just below the rest of the stack.
-        ReturnAddressPtr* returnAddressSlot() { return reinterpret_cast<ReturnAddressPtr*>(this) - 1; }
-    };
+    ReturnAddressPtr* returnAddressSlot() { return &thunkReturnAddress; }
+};
+#elif CPU(ARM_TRADITIONAL)
+#if COMPILER(MSVC)
+#pragma pack(push)
+#pragma pack(4)
+#endif // COMPILER(MSVC)
+struct JITStackFrame {
+    JITStubArg padding; // Unused
+    JITStubArg args[7];
+
+    ReturnAddressPtr thunkReturnAddress;
+
+    void* preservedR4;
+    void* preservedR5;
+    void* preservedR6;
+    void* preservedR8;
+    void* preservedR9;
+    void* preservedR10;
+    void* preservedR11;
+    void* preservedLink;
+
+    JSStack* stack;
+    CallFrame* callFrame;
+    void* unused1;
+
+    // These arguments passed on the stack.
+    void* unused2;
+    VM* vm;
+
+    // When JIT code makes a call, it pushes its return address just below the rest of the stack.
+    ReturnAddressPtr* returnAddressSlot() { return &thunkReturnAddress; }
+};
 #if COMPILER(MSVC)
 #pragma pack(pop)
 #endif // COMPILER(MSVC)
-#elif PLATFORM_ARM_ARCH(7)
-    struct JITStackFrame {
-        void* reserved; // Unused
-        JITStubArg args[6];
+#elif CPU(MIPS)
+struct JITStackFrame {
+    JITStubArg reserved; // Unused
+    JITStubArg args[6];
+
 #if USE(JSVALUE32_64)
-        void* padding[2]; // Maintain 16-byte stack alignment.
+    void* padding; // Make the overall stack length 8-byte aligned.
 #endif
 
-        ReturnAddressPtr thunkReturnAddress;
+    void* preservedGP; // store GP when using PIC code
+    void* preservedS0;
+    void* preservedS1;
+    void* preservedS2;
+    void* preservedS3;
+    void* preservedS4;
+    void* preservedReturnAddress;
 
-        void* preservedReturnAddress;
-        void* preservedR4;
-        void* preservedR5;
-        void* preservedR6;
+    ReturnAddressPtr thunkReturnAddress;
 
-        // These arguments passed in r1..r3 (r0 contained the entry code pointed, which is not preserved)
-        RegisterFile* registerFile;
-        CallFrame* callFrame;
-        JSValue* exception;
+    // These arguments passed in a1..a3 (a0 contained the entry code pointed, which is not preserved)
+    JSStack* stack;
+    CallFrame* callFrame;
+    void* unused1;
 
-        // These arguments passed on the stack.
-        Profiler** enabledProfilerReference;
-        JSGlobalData* globalData;
-        
-        ReturnAddressPtr* returnAddressSlot() { return &thunkReturnAddress; }
-    };
+    // These arguments passed on the stack.
+    void* unused2;
+    VM* vm;
+
+    ReturnAddressPtr* returnAddressSlot() { return &thunkReturnAddress; }
+};
+#elif CPU(SH4)
+struct JITStackFrame {
+    JITStubArg padding; // Unused
+    JITStubArg args[6];
+
+    ReturnAddressPtr thunkReturnAddress;
+    void* savedR10;
+    void* savedR11;
+    void* savedR13;
+    void* savedRPR;
+    void* savedR14;
+
+    JSStack* stack;
+    CallFrame* callFrame;
+    JSValue* exception;
+    void* unused1;
+    VM* vm;
+
+    ReturnAddressPtr* returnAddressSlot() { return &thunkReturnAddress; }
+};
 #else
 #error "JITStackFrame not defined for this platform."
 #endif
 
-#if USE(JIT_STUB_ARGUMENT_VA_LIST)
-    #define STUB_ARGS_DECLARATION void* args, ...
-    #define STUB_ARGS (reinterpret_cast<void**>(vl_args) - 1)
+#define JITSTACKFRAME_ARGS_INDEX (OBJECT_OFFSETOF(JITStackFrame, args) / sizeof(void*))
 
-    #if COMPILER(MSVC)
-    #define JIT_STUB __cdecl
-    #else
-    #define JIT_STUB
-    #endif
+#define STUB_ARGS_DECLARATION void** args
+#define STUB_ARGS (args)
+
+#if CPU(X86)
+#if COMPILER(MSVC)
+#define JIT_STUB __fastcall
+#elif COMPILER(GCC)
+#define JIT_STUB  __attribute__ ((fastcall))
+#elif COMPILER(SUNCC)
+#define JIT_STUB
 #else
-    #define STUB_ARGS_DECLARATION void** args
-    #define STUB_ARGS (args)
-
-    #if PLATFORM(X86) && COMPILER(MSVC)
-    #define JIT_STUB __fastcall
-    #elif PLATFORM(X86) && COMPILER(GCC)
-    #define JIT_STUB  __attribute__ ((fastcall))
-    #else
-    #define JIT_STUB
-    #endif
+#error "JIT_STUB function calls require fastcall conventions on x86, add appropriate directive/attribute here for your compiler!"
 #endif
-
-#if PLATFORM(X86_64)
-    struct VoidPtrPair {
-        void* first;
-        void* second;
-    };
-    #define RETURN_POINTER_PAIR(a,b) VoidPtrPair pair = { a, b }; return pair
 #else
-    // MSVC doesn't support returning a two-value struct in two registers, so
-    // we cast the struct to int64_t instead.
-    typedef uint64_t VoidPtrPair;
-    union VoidPtrPairUnion {
-        struct { void* first; void* second; } s;
-        VoidPtrPair i;
-    };
-    #define RETURN_POINTER_PAIR(a,b) VoidPtrPairUnion pair = {{ a, b }}; return pair.i
+#define JIT_STUB
 #endif
 
-    extern "C" void ctiVMThrowTrampoline();
-    extern "C" void ctiOpThrowNotCaught();
-    extern "C" EncodedJSValue ctiTrampoline(
-#if PLATFORM(X86_64)
-            // FIXME: (bug #22910) this will force all arguments onto the stack (regparm(0) does not appear to have any effect).
-            // We can allow register passing here, and move the writes of these values into the trampoline.
-            void*, void*, void*, void*, void*, void*,
+extern "C" void ctiVMThrowTrampoline();
+extern "C" void ctiOpThrowNotCaught();
+extern "C" EncodedJSValue ctiTrampoline(void* code, JSStack*, CallFrame*, void* /*unused1*/, void* /*unused2*/, VM*);
+#if ENABLE(DFG_JIT)
+extern "C" void ctiTrampolineEnd();
+
+inline bool returnAddressIsInCtiTrampoline(ReturnAddressPtr returnAddress)
+{
+    return returnAddress.value() >= bitwise_cast<void*>(&ctiTrampoline)
+        && returnAddress.value() < bitwise_cast<void*>(&ctiTrampolineEnd);
+}
 #endif
-            void* code, RegisterFile*, CallFrame*, JSValue* exception, Profiler**, JSGlobalData*);
 
-    class JITThunks {
-    public:
-        JITThunks(JSGlobalData*);
-
-        static void tryCacheGetByID(CallFrame*, CodeBlock*, ReturnAddressPtr returnAddress, JSValue baseValue, const Identifier& propertyName, const PropertySlot&);
-        static void tryCachePutByID(CallFrame*, CodeBlock*, ReturnAddressPtr returnAddress, JSValue baseValue, const PutPropertySlot&);
-        
-        MacroAssemblerCodePtr ctiStringLengthTrampoline() { return m_ctiStringLengthTrampoline; }
-        MacroAssemblerCodePtr ctiVirtualCallPreLink() { return m_ctiVirtualCallPreLink; }
-        MacroAssemblerCodePtr ctiVirtualCallLink() { return m_ctiVirtualCallLink; }
-        MacroAssemblerCodePtr ctiVirtualCall() { return m_ctiVirtualCall; }
-        MacroAssemblerCodePtr ctiNativeCallThunk() { return m_ctiNativeCallThunk; }
-
-    private:
-        RefPtr<ExecutablePool> m_executablePool;
-
-        MacroAssemblerCodePtr m_ctiStringLengthTrampoline;
-        MacroAssemblerCodePtr m_ctiVirtualCallPreLink;
-        MacroAssemblerCodePtr m_ctiVirtualCallLink;
-        MacroAssemblerCodePtr m_ctiVirtualCall;
-        MacroAssemblerCodePtr m_ctiNativeCallThunk;
-    };
+void performPlatformSpecificJITAssertions(VM*);
 
 extern "C" {
-    EncodedJSValue JIT_STUB cti_op_add(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_bitand(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_bitnot(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_bitor(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_bitxor(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_call_NotJSFunction(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_call_eval(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_construct_NotJSConstruct(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_convert_this(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_del_by_id(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_del_by_val(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_div(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_get_by_id(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_get_by_id_array_fail(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_get_by_id_generic(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_get_by_id_method_check(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_get_by_id_method_check_second(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_get_by_id_proto_fail(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_get_by_id_proto_list(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_get_by_id_proto_list_full(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_get_by_id_second(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_get_by_id_self_fail(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_get_by_id_string_fail(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_get_by_val(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_get_by_val_byte_array(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_get_by_val_string(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_in(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_instanceof(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_is_boolean(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_is_function(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_is_number(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_is_object(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_is_string(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_is_undefined(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_less(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_lesseq(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_lshift(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_mod(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_mul(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_negate(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_next_pname(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_not(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_nstricteq(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_post_dec(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_post_inc(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_pre_dec(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_pre_inc(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_resolve(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_resolve_base(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_resolve_global(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_resolve_skip(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_resolve_with_base(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_rshift(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_strcat(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_stricteq(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_sub(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_throw(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_to_jsnumber(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_to_primitive(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_typeof(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_urshift(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_vm_throw(STUB_ARGS_DECLARATION);
-    JSObject* JIT_STUB cti_op_construct_JSConstruct(STUB_ARGS_DECLARATION);
-    JSObject* JIT_STUB cti_op_new_array(STUB_ARGS_DECLARATION);
-    JSObject* JIT_STUB cti_op_new_error(STUB_ARGS_DECLARATION);
-    JSObject* JIT_STUB cti_op_new_func(STUB_ARGS_DECLARATION);
-    JSObject* JIT_STUB cti_op_new_func_exp(STUB_ARGS_DECLARATION);
-    JSObject* JIT_STUB cti_op_new_object(STUB_ARGS_DECLARATION);
-    JSObject* JIT_STUB cti_op_new_regexp(STUB_ARGS_DECLARATION);
-    JSObject* JIT_STUB cti_op_push_activation(STUB_ARGS_DECLARATION);
-    JSObject* JIT_STUB cti_op_push_new_scope(STUB_ARGS_DECLARATION);
-    JSObject* JIT_STUB cti_op_push_scope(STUB_ARGS_DECLARATION);
-    JSObject* JIT_STUB cti_op_put_by_id_transition_realloc(STUB_ARGS_DECLARATION);
-    JSPropertyNameIterator* JIT_STUB cti_op_get_pnames(STUB_ARGS_DECLARATION);
-    VoidPtrPair JIT_STUB cti_op_call_arityCheck(STUB_ARGS_DECLARATION);
-    int JIT_STUB cti_op_eq(STUB_ARGS_DECLARATION);
-#if USE(JSVALUE32_64)
-    int JIT_STUB cti_op_eq_strings(STUB_ARGS_DECLARATION);
+EncodedJSValue JIT_STUB cti_op_add(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_bitand(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_bitor(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_bitxor(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_call_NotJSFunction(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_call_eval(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_construct_NotJSConstruct(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_check_has_instance(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_create_this(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_convert_this(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_create_arguments(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_del_by_id(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_del_by_val(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_div(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_get_by_id(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_get_by_id_array_fail(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_get_by_id_custom_stub(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_get_by_id_generic(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_get_by_id_getter_stub(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_get_by_id_proto_fail(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_get_by_id_proto_list(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_get_by_id_proto_list_full(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_get_by_id_self_fail(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_get_by_id_string_fail(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_get_by_val(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_get_by_val_generic(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_get_by_val_string(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_in(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_instanceof(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_is_boolean(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_is_function(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_is_number(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_is_object(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_is_string(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_is_undefined(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_less(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_lesseq(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_greater(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_greatereq(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_lshift(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_mod(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_mul(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_negate(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_not(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_nstricteq(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_dec(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_inc(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_resolve(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_resolve_base(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_resolve_base_strict_put(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_resolve_with_base(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_resolve_with_this(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+void JIT_STUB cti_op_put_to_base(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_rshift(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_strcat(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_stricteq(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_sub(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_to_number(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_to_primitive(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_typeof(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_op_urshift(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+EncodedJSValue JIT_STUB cti_to_object(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+JSObject* JIT_STUB cti_op_new_array(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+JSObject* JIT_STUB cti_op_new_array_with_size(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+JSObject* JIT_STUB cti_op_new_array_buffer(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+JSObject* JIT_STUB cti_op_new_func(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+JSObject* JIT_STUB cti_op_new_func_exp(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+JSObject* JIT_STUB cti_op_new_object(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+JSObject* JIT_STUB cti_op_new_regexp(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+JSObject* JIT_STUB cti_op_push_activation(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+void JIT_STUB cti_op_push_name_scope(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+void JIT_STUB cti_op_push_with_scope(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+JSObject* JIT_STUB cti_op_put_by_id_transition_realloc(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+JSPropertyNameIterator* JIT_STUB cti_op_get_pnames(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+int JIT_STUB cti_op_eq(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+int JIT_STUB cti_op_eq_strings(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+int JIT_STUB cti_op_jless(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+int JIT_STUB cti_op_jlesseq(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+int JIT_STUB cti_op_jgreater(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+int JIT_STUB cti_op_jgreatereq(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+int JIT_STUB cti_op_jtrue(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+void* JIT_STUB cti_op_load_varargs(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+void JIT_STUB cti_handle_watchdog_timer(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+int JIT_STUB cti_has_property(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+void JIT_STUB cti_op_debug(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+void JIT_STUB cti_op_end(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+void JIT_STUB cti_op_pop_scope(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+void JIT_STUB cti_op_profile_did_call(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+void JIT_STUB cti_op_profile_will_call(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+void JIT_STUB cti_op_put_by_id(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+void JIT_STUB cti_op_put_by_id_fail(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+void JIT_STUB cti_op_put_by_id_generic(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+void JIT_STUB cti_op_put_by_id_direct(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+void JIT_STUB cti_op_put_by_id_direct_fail(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+void JIT_STUB cti_op_put_by_id_direct_generic(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+void JIT_STUB cti_op_put_by_index(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+void JIT_STUB cti_op_put_by_val(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+void JIT_STUB cti_op_put_by_val_generic(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+void JIT_STUB cti_op_put_getter_setter(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+void JIT_STUB cti_op_init_global_const_check(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+void JIT_STUB cti_op_tear_off_activation(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+void JIT_STUB cti_op_tear_off_arguments(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+void JIT_STUB cti_op_throw_static_error(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+#if ENABLE(DFG_JIT)
+void JIT_STUB cti_optimize(STUB_ARGS_DECLARATION) WTF_INTERNAL;
 #endif
-    int JIT_STUB cti_op_jless(STUB_ARGS_DECLARATION);
-    int JIT_STUB cti_op_jlesseq(STUB_ARGS_DECLARATION);
-    int JIT_STUB cti_op_jtrue(STUB_ARGS_DECLARATION);
-    int JIT_STUB cti_op_load_varargs(STUB_ARGS_DECLARATION);
-    int JIT_STUB cti_op_loop_if_less(STUB_ARGS_DECLARATION);
-    int JIT_STUB cti_op_loop_if_lesseq(STUB_ARGS_DECLARATION);
-    int JIT_STUB cti_op_loop_if_true(STUB_ARGS_DECLARATION);
-    int JIT_STUB cti_timeout_check(STUB_ARGS_DECLARATION);
-    void JIT_STUB cti_op_create_arguments(STUB_ARGS_DECLARATION);
-    void JIT_STUB cti_op_create_arguments_no_params(STUB_ARGS_DECLARATION);
-    void JIT_STUB cti_op_debug(STUB_ARGS_DECLARATION);
-    void JIT_STUB cti_op_end(STUB_ARGS_DECLARATION);
-    void JIT_STUB cti_op_jmp_scopes(STUB_ARGS_DECLARATION);
-    void JIT_STUB cti_op_pop_scope(STUB_ARGS_DECLARATION);
-    void JIT_STUB cti_op_profile_did_call(STUB_ARGS_DECLARATION);
-    void JIT_STUB cti_op_profile_will_call(STUB_ARGS_DECLARATION);
-    void JIT_STUB cti_op_put_by_id(STUB_ARGS_DECLARATION);
-    void JIT_STUB cti_op_put_by_id_fail(STUB_ARGS_DECLARATION);
-    void JIT_STUB cti_op_put_by_id_generic(STUB_ARGS_DECLARATION);
-    void JIT_STUB cti_op_put_by_id_second(STUB_ARGS_DECLARATION);
-    void JIT_STUB cti_op_put_by_index(STUB_ARGS_DECLARATION);
-    void JIT_STUB cti_op_put_by_val(STUB_ARGS_DECLARATION);
-    void JIT_STUB cti_op_put_by_val_array(STUB_ARGS_DECLARATION);
-    void JIT_STUB cti_op_put_by_val_byte_array(STUB_ARGS_DECLARATION);
-    void JIT_STUB cti_op_put_getter(STUB_ARGS_DECLARATION);
-    void JIT_STUB cti_op_put_setter(STUB_ARGS_DECLARATION);
-    void JIT_STUB cti_op_ret_scopeChain(STUB_ARGS_DECLARATION);
-    void JIT_STUB cti_op_tear_off_activation(STUB_ARGS_DECLARATION);
-    void JIT_STUB cti_op_tear_off_arguments(STUB_ARGS_DECLARATION);
-    void JIT_STUB cti_register_file_check(STUB_ARGS_DECLARATION);
-    void* JIT_STUB cti_op_call_JSFunction(STUB_ARGS_DECLARATION);
-    void* JIT_STUB cti_op_switch_char(STUB_ARGS_DECLARATION);
-    void* JIT_STUB cti_op_switch_imm(STUB_ARGS_DECLARATION);
-    void* JIT_STUB cti_op_switch_string(STUB_ARGS_DECLARATION);
-    void* JIT_STUB cti_vm_dontLazyLinkCall(STUB_ARGS_DECLARATION);
-    void* JIT_STUB cti_vm_lazyLinkCall(STUB_ARGS_DECLARATION);
+void* JIT_STUB cti_op_call_arityCheck(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+void* JIT_STUB cti_op_construct_arityCheck(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+void* JIT_STUB cti_op_call_jitCompile(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+void* JIT_STUB cti_op_construct_jitCompile(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+void* JIT_STUB cti_op_switch_char(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+void* JIT_STUB cti_op_switch_imm(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+void* JIT_STUB cti_op_switch_string(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+void* JIT_STUB cti_op_throw(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+void* JIT_STUB cti_stack_check(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+void* JIT_STUB cti_vm_lazyLinkCall(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+void* JIT_STUB cti_vm_lazyLinkClosureCall(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+void* JIT_STUB cti_vm_lazyLinkConstruct(STUB_ARGS_DECLARATION) WTF_INTERNAL;
+void* JIT_STUB cti_vm_throw(STUB_ARGS_DECLARATION) REFERENCED_FROM_ASM WTF_INTERNAL;
 } // extern "C"
 
-} // namespace JSC
+#elif ENABLE(LLINT_C_LOOP)
 
-#endif // ENABLE(JIT)
+struct JITStackFrame {
+    VM* vm;
+};
+
+#endif // ENABLE(LLINT_C_LOOP)
+
+} // namespace JSC
 
 #endif // JITStubs_h