JSC should detect singleton functions
[WebKit-https.git] / Source / JavaScriptCore / dfg / DFGOperations.h
1 /*
2  * Copyright (C) 2011, 2013-2015 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,
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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 "JITOperations.h"
32 #include "PutKind.h"
33
34 namespace JSC { namespace DFG {
35
36 struct OSRExitBase;
37
38 extern "C" {
39
40 JSCell* JIT_OPERATION operationStringFromCharCode(ExecState*, int32_t)  WTF_INTERNAL; 
41
42 // These routines are provide callbacks out to C++ implementations of operations too complex to JIT.
43 JSCell* JIT_OPERATION operationCreateThis(ExecState*, JSObject* constructor, int32_t inlineCapacity) WTF_INTERNAL;
44 EncodedJSValue JIT_OPERATION operationToThis(ExecState*, EncodedJSValue encodedOp1) WTF_INTERNAL;
45 EncodedJSValue JIT_OPERATION operationToThisStrict(ExecState*, EncodedJSValue encodedOp1) WTF_INTERNAL;
46 EncodedJSValue JIT_OPERATION operationValueAdd(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL;
47 EncodedJSValue JIT_OPERATION operationValueAddNotNumber(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL;
48 EncodedJSValue JIT_OPERATION operationGetByVal(ExecState*, EncodedJSValue encodedBase, EncodedJSValue encodedProperty) WTF_INTERNAL;
49 EncodedJSValue JIT_OPERATION operationGetByValCell(ExecState*, JSCell*, EncodedJSValue encodedProperty) WTF_INTERNAL;
50 EncodedJSValue JIT_OPERATION operationGetByValArrayInt(ExecState*, JSArray*, int32_t) WTF_INTERNAL;
51 EncodedJSValue JIT_OPERATION operationGetByValStringInt(ExecState*, JSString*, int32_t) WTF_INTERNAL;
52 EncodedJSValue JIT_OPERATION operationToPrimitive(ExecState*, EncodedJSValue) WTF_INTERNAL;
53 char* JIT_OPERATION operationNewArray(ExecState*, Structure*, void*, size_t) WTF_INTERNAL;
54 char* JIT_OPERATION operationNewArrayBuffer(ExecState*, Structure*, size_t, size_t) WTF_INTERNAL;
55 char* JIT_OPERATION operationNewEmptyArray(ExecState*, Structure*) WTF_INTERNAL;
56 char* JIT_OPERATION operationNewArrayWithSize(ExecState*, Structure*, int32_t) WTF_INTERNAL;
57 char* JIT_OPERATION operationNewInt8ArrayWithSize(ExecState*, Structure*, int32_t) WTF_INTERNAL;
58 char* JIT_OPERATION operationNewInt8ArrayWithOneArgument(ExecState*, Structure*, EncodedJSValue) WTF_INTERNAL;
59 char* JIT_OPERATION operationNewInt16ArrayWithSize(ExecState*, Structure*, int32_t) WTF_INTERNAL;
60 char* JIT_OPERATION operationNewInt16ArrayWithOneArgument(ExecState*, Structure*, EncodedJSValue) WTF_INTERNAL;
61 char* JIT_OPERATION operationNewInt32ArrayWithSize(ExecState*, Structure*, int32_t) WTF_INTERNAL;
62 char* JIT_OPERATION operationNewInt32ArrayWithOneArgument(ExecState*, Structure*, EncodedJSValue) WTF_INTERNAL;
63 char* JIT_OPERATION operationNewUint8ArrayWithSize(ExecState*, Structure*, int32_t) WTF_INTERNAL;
64 char* JIT_OPERATION operationNewUint8ArrayWithOneArgument(ExecState*, Structure*, EncodedJSValue) WTF_INTERNAL;
65 char* JIT_OPERATION operationNewUint8ClampedArrayWithSize(ExecState*, Structure*, int32_t) WTF_INTERNAL;
66 char* JIT_OPERATION operationNewUint8ClampedArrayWithOneArgument(ExecState*, Structure*, EncodedJSValue) WTF_INTERNAL;
67 char* JIT_OPERATION operationNewUint16ArrayWithSize(ExecState*, Structure*, int32_t) WTF_INTERNAL;
68 char* JIT_OPERATION operationNewUint16ArrayWithOneArgument(ExecState*, Structure*, EncodedJSValue) WTF_INTERNAL;
69 char* JIT_OPERATION operationNewUint32ArrayWithSize(ExecState*, Structure*, int32_t) WTF_INTERNAL;
70 char* JIT_OPERATION operationNewUint32ArrayWithOneArgument(ExecState*, Structure*, EncodedJSValue) WTF_INTERNAL;
71 char* JIT_OPERATION operationNewFloat32ArrayWithSize(ExecState*, Structure*, int32_t) WTF_INTERNAL;
72 char* JIT_OPERATION operationNewFloat32ArrayWithOneArgument(ExecState*, Structure*, EncodedJSValue) WTF_INTERNAL;
73 char* JIT_OPERATION operationNewFloat64ArrayWithSize(ExecState*, Structure*, int32_t) WTF_INTERNAL;
74 char* JIT_OPERATION operationNewFloat64ArrayWithOneArgument(ExecState*, Structure*, EncodedJSValue) WTF_INTERNAL;
75 void JIT_OPERATION operationPutByValStrict(ExecState*, EncodedJSValue encodedBase, EncodedJSValue encodedProperty, EncodedJSValue encodedValue) WTF_INTERNAL;
76 void JIT_OPERATION operationPutByValNonStrict(ExecState*, EncodedJSValue encodedBase, EncodedJSValue encodedProperty, EncodedJSValue encodedValue) WTF_INTERNAL;
77 void JIT_OPERATION operationPutByValCellStrict(ExecState*, JSCell*, EncodedJSValue encodedProperty, EncodedJSValue encodedValue) WTF_INTERNAL;
78 void JIT_OPERATION operationPutByValCellNonStrict(ExecState*, JSCell*, EncodedJSValue encodedProperty, EncodedJSValue encodedValue) WTF_INTERNAL;
79 void JIT_OPERATION operationPutByValBeyondArrayBoundsStrict(ExecState*, JSObject*, int32_t index, EncodedJSValue encodedValue) WTF_INTERNAL;
80 void JIT_OPERATION operationPutByValBeyondArrayBoundsNonStrict(ExecState*, JSObject*, int32_t index, EncodedJSValue encodedValue) WTF_INTERNAL;
81 void JIT_OPERATION operationPutByValDirectBeyondArrayBoundsNonStrict(ExecState*, JSObject*, int32_t index, EncodedJSValue encodedValue) WTF_INTERNAL;
82 void JIT_OPERATION operationPutByValDirectStrict(ExecState*, EncodedJSValue encodedBase, EncodedJSValue encodedProperty, EncodedJSValue encodedValue) WTF_INTERNAL;
83 void JIT_OPERATION operationPutByValDirectNonStrict(ExecState*, EncodedJSValue encodedBase, EncodedJSValue encodedProperty, EncodedJSValue encodedValue) WTF_INTERNAL;
84 void JIT_OPERATION operationPutByValDirectCellStrict(ExecState*, JSCell*, EncodedJSValue encodedProperty, EncodedJSValue encodedValue) WTF_INTERNAL;
85 void JIT_OPERATION operationPutByValDirectCellNonStrict(ExecState*, JSCell*, EncodedJSValue encodedProperty, EncodedJSValue encodedValue) WTF_INTERNAL;
86 void JIT_OPERATION operationPutByValDirectBeyondArrayBoundsStrict(ExecState*, JSObject*, int32_t index, EncodedJSValue encodedValue) WTF_INTERNAL;
87 void JIT_OPERATION operationPutByValDirectBeyondArrayBoundsNonStrict(ExecState*, JSObject*, int32_t index, EncodedJSValue encodedValue) WTF_INTERNAL;
88 void JIT_OPERATION operationPutDoubleByValBeyondArrayBoundsStrict(ExecState*, JSObject*, int32_t index, double value) WTF_INTERNAL;
89 void JIT_OPERATION operationPutDoubleByValBeyondArrayBoundsNonStrict(ExecState*, JSObject*, int32_t index, double value) WTF_INTERNAL;
90 EncodedJSValue JIT_OPERATION operationArrayPush(ExecState*, EncodedJSValue encodedValue, JSArray*) WTF_INTERNAL;
91 EncodedJSValue JIT_OPERATION operationArrayPushDouble(ExecState*, double value, JSArray*) WTF_INTERNAL;
92 EncodedJSValue JIT_OPERATION operationArrayPop(ExecState*, JSArray*) WTF_INTERNAL;
93 EncodedJSValue JIT_OPERATION operationArrayPopAndRecoverLength(ExecState*, JSArray*) WTF_INTERNAL;
94 EncodedJSValue JIT_OPERATION operationRegExpExec(ExecState*, JSCell*, JSCell*) WTF_INTERNAL;
95 // These comparisons return a boolean within a size_t such that the value is zero extended to fill the register.
96 size_t JIT_OPERATION operationRegExpTest(ExecState*, JSCell*, JSCell*) WTF_INTERNAL;
97 size_t JIT_OPERATION operationCompareStrictEqCell(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL;
98 size_t JIT_OPERATION operationCompareStrictEq(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL;
99 JSCell* JIT_OPERATION operationCreateActivationDirect(ExecState*, Structure*, JSScope*, SymbolTable*);
100 JSCell* JIT_OPERATION operationCreateDirectArguments(ExecState*, Structure*, int32_t length, int32_t minCapacity);
101 JSCell* JIT_OPERATION operationCreateDirectArgumentsDuringExit(ExecState*, InlineCallFrame*, JSFunction*, int32_t argumentCount);
102 JSCell* JIT_OPERATION operationCreateScopedArguments(ExecState*, Structure*, Register* argumentStart, int32_t length, JSFunction* callee, JSLexicalEnvironment*);
103 JSCell* JIT_OPERATION operationCreateClonedArgumentsDuringExit(ExecState*, InlineCallFrame*, JSFunction*, int32_t argumentCount);
104 JSCell* JIT_OPERATION operationCreateClonedArguments(ExecState*, Structure*, Register* argumentStart, int32_t length, JSFunction* callee);
105 double JIT_OPERATION operationFModOnInts(int32_t, int32_t) WTF_INTERNAL;
106 size_t JIT_OPERATION operationIsObjectOrNull(ExecState*, EncodedJSValue) WTF_INTERNAL;
107 size_t JIT_OPERATION operationIsFunction(EncodedJSValue) WTF_INTERNAL;
108 JSCell* JIT_OPERATION operationTypeOf(ExecState*, JSCell*) WTF_INTERNAL;
109 char* JIT_OPERATION operationAllocatePropertyStorageWithInitialCapacity(ExecState*) WTF_INTERNAL;
110 char* JIT_OPERATION operationAllocatePropertyStorage(ExecState*, size_t newSize) WTF_INTERNAL;
111 char* JIT_OPERATION operationReallocateButterflyToHavePropertyStorageWithInitialCapacity(ExecState*, JSObject*) WTF_INTERNAL;
112 char* JIT_OPERATION operationReallocateButterflyToGrowPropertyStorage(ExecState*, JSObject*, size_t newSize) WTF_INTERNAL;
113 char* JIT_OPERATION operationEnsureInt32(ExecState*, JSCell*);
114 char* JIT_OPERATION operationEnsureDouble(ExecState*, JSCell*);
115 char* JIT_OPERATION operationEnsureContiguous(ExecState*, JSCell*);
116 char* JIT_OPERATION operationRageEnsureContiguous(ExecState*, JSCell*);
117 char* JIT_OPERATION operationEnsureArrayStorage(ExecState*, JSCell*);
118 StringImpl* JIT_OPERATION operationResolveRope(ExecState*, JSString*);
119 JSString* JIT_OPERATION operationSingleCharacterString(ExecState*, int32_t);
120
121 JSCell* JIT_OPERATION operationNewStringObject(ExecState*, JSString*, Structure*);
122 JSCell* JIT_OPERATION operationToStringOnCell(ExecState*, JSCell*);
123 JSCell* JIT_OPERATION operationToString(ExecState*, EncodedJSValue);
124 JSCell* JIT_OPERATION operationCallStringConstructorOnCell(ExecState*, JSCell*);
125 JSCell* JIT_OPERATION operationCallStringConstructor(ExecState*, EncodedJSValue);
126 JSCell* JIT_OPERATION operationMakeRope2(ExecState*, JSString*, JSString*);
127 JSCell* JIT_OPERATION operationMakeRope3(ExecState*, JSString*, JSString*, JSString*);
128 char* JIT_OPERATION operationFindSwitchImmTargetForDouble(ExecState*, EncodedJSValue, size_t tableIndex);
129 char* JIT_OPERATION operationSwitchString(ExecState*, size_t tableIndex, JSString*);
130 void JIT_OPERATION operationNotifyWrite(ExecState*, WatchpointSet*);
131 void JIT_OPERATION operationThrowStackOverflowForVarargs(ExecState*) WTF_INTERNAL;
132 int32_t JIT_OPERATION operationSizeOfVarargs(ExecState*, EncodedJSValue arguments, int32_t firstVarArgOffset);
133 void JIT_OPERATION operationLoadVarargs(ExecState*, int32_t firstElementDest, EncodedJSValue arguments, int32_t offset, int32_t length, int32_t mandatoryMinimum);
134
135 int64_t JIT_OPERATION operationConvertBoxedDoubleToInt52(EncodedJSValue);
136 int64_t JIT_OPERATION operationConvertDoubleToInt52(double);
137
138 void JIT_OPERATION operationProcessTypeProfilerLogDFG(ExecState*) WTF_INTERNAL;
139
140 // These operations implement the implicitly called ToInt32 and ToBoolean conversions from ES5.
141 // This conversion returns an int32_t within a size_t such that the value is zero extended to fill the register.
142 size_t JIT_OPERATION dfgConvertJSValueToInt32(ExecState*, EncodedJSValue) WTF_INTERNAL;
143
144 void JIT_OPERATION debugOperationPrintSpeculationFailure(ExecState*, void*, void*) WTF_INTERNAL;
145
146 void JIT_OPERATION triggerReoptimizationNow(CodeBlock*, OSRExitBase*) WTF_INTERNAL;
147
148 #if ENABLE(FTL_JIT)
149 void JIT_OPERATION triggerTierUpNow(ExecState*) WTF_INTERNAL;
150 char* JIT_OPERATION triggerOSREntryNow(ExecState*, int32_t bytecodeIndex, int32_t streamIndex) WTF_INTERNAL;
151 #endif // ENABLE(FTL_JIT)
152
153 } // extern "C"
154
155 inline P_JITOperation_EStZ operationNewTypedArrayWithSizeForType(TypedArrayType type)
156 {
157     switch (type) {
158     case TypeInt8:
159         return operationNewInt8ArrayWithSize;
160     case TypeInt16:
161         return operationNewInt16ArrayWithSize;
162     case TypeInt32:
163         return operationNewInt32ArrayWithSize;
164     case TypeUint8:
165         return operationNewUint8ArrayWithSize;
166     case TypeUint8Clamped:
167         return operationNewUint8ClampedArrayWithSize;
168     case TypeUint16:
169         return operationNewUint16ArrayWithSize;
170     case TypeUint32:
171         return operationNewUint32ArrayWithSize;
172     case TypeFloat32:
173         return operationNewFloat32ArrayWithSize;
174     case TypeFloat64:
175         return operationNewFloat64ArrayWithSize;
176     case NotTypedArray:
177     case TypeDataView:
178         break;
179     }
180     RELEASE_ASSERT_NOT_REACHED();
181     return 0;
182 }
183
184 inline P_JITOperation_EStJ operationNewTypedArrayWithOneArgumentForType(TypedArrayType type)
185 {
186     switch (type) {
187     case TypeInt8:
188         return operationNewInt8ArrayWithOneArgument;
189     case TypeInt16:
190         return operationNewInt16ArrayWithOneArgument;
191     case TypeInt32:
192         return operationNewInt32ArrayWithOneArgument;
193     case TypeUint8:
194         return operationNewUint8ArrayWithOneArgument;
195     case TypeUint8Clamped:
196         return operationNewUint8ClampedArrayWithOneArgument;
197     case TypeUint16:
198         return operationNewUint16ArrayWithOneArgument;
199     case TypeUint32:
200         return operationNewUint32ArrayWithOneArgument;
201     case TypeFloat32:
202         return operationNewFloat32ArrayWithOneArgument;
203     case TypeFloat64:
204         return operationNewFloat64ArrayWithOneArgument;
205     case NotTypedArray:
206     case TypeDataView:
207         break;
208     }
209     RELEASE_ASSERT_NOT_REACHED();
210     return 0;
211 }
212
213 } } // namespace JSC::DFG
214
215 #endif
216 #endif