1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
|
/*
* Copyright (C) 2011 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef DFGOperations_h
#define DFGOperations_h
#if ENABLE(DFG_JIT)
#include "DFGJITCompiler.h"
#include "PutKind.h"
namespace JSC {
namespace DFG {
extern "C" {
#if CALLING_CONVENTION_IS_STDCALL
#define DFG_OPERATION CDECL
#else
#define DFG_OPERATION
#endif
// These typedefs provide typechecking when generating calls out to helper routines;
// this helps prevent calling a helper routine with the wrong arguments!
/*
Key:
V: void
J: JSValue
P: pointer (void*)
C: JSCell*
A: JSArray*
S: size_t
Z: int32_t
D: double
I: Identifier*
G: GlobalResolveInfo*
*/
typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_E)(ExecState*);
typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EA)(ExecState*, JSArray*);
typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EAZ)(ExecState*, JSArray*, int32_t);
typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EC)(ExecState*, JSCell*);
typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_ECC)(ExecState*, JSCell*, JSCell*);
typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_ECI)(ExecState*, JSCell*, Identifier*);
typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_ECJ)(ExecState*, JSCell*, EncodedJSValue);
typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EDA)(ExecState*, double, JSArray*);
typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EGriJsgI)(ExecState*, ResolveOperation*, JSGlobalObject*, Identifier*);
typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EI)(ExecState*, Identifier*);
typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EIRo)(ExecState*, Identifier*, ResolveOperations*);
typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EIRoPtbo)(ExecState*, Identifier*, ResolveOperations*, PutToBaseOperation*);
typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EJ)(ExecState*, EncodedJSValue);
typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EJA)(ExecState*, EncodedJSValue, JSArray*);
typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EJI)(ExecState*, EncodedJSValue, Identifier*);
typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EJJ)(ExecState*, EncodedJSValue, EncodedJSValue);
typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EJP)(ExecState*, EncodedJSValue, void*);
typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EP)(ExecState*, void*);
typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EPP)(ExecState*, void*, void*);
typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EPS)(ExecState*, void*, size_t);
typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_ESS)(ExecState*, size_t, size_t);
typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EZ)(ExecState*, int32_t);
typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EZIcfZ)(ExecState*, int32_t, InlineCallFrame*, int32_t);
typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EZZ)(ExecState*, int32_t, int32_t);
typedef JSCell* DFG_OPERATION (*C_DFGOperation_E)(ExecState*);
typedef JSCell* DFG_OPERATION (*C_DFGOperation_EZ)(ExecState*, int32_t);
typedef JSCell* DFG_OPERATION (*C_DFGOperation_EC)(ExecState*, JSCell*);
typedef JSCell* DFG_OPERATION (*C_DFGOperation_ECC)(ExecState*, JSCell*, JSCell*);
typedef JSCell* DFG_OPERATION (*C_DFGOperation_EIcf)(ExecState*, InlineCallFrame*);
typedef JSCell* DFG_OPERATION (*C_DFGOperation_EJ)(ExecState*, EncodedJSValue);
typedef JSCell* DFG_OPERATION (*C_DFGOperation_EJssSt)(ExecState*, JSString*, Structure*);
typedef JSCell* DFG_OPERATION (*C_DFGOperation_EJssJss)(ExecState*, JSString*, JSString*);
typedef JSCell* DFG_OPERATION (*C_DFGOperation_EJssJssJss)(ExecState*, JSString*, JSString*, JSString*);
typedef JSCell* DFG_OPERATION (*C_DFGOperation_EOZ)(ExecState*, JSObject*, int32_t);
typedef JSCell* DFG_OPERATION (*C_DFGOperation_ESt)(ExecState*, Structure*);
typedef JSCell* DFG_OPERATION (*C_DFGOperation_EZ)(ExecState*, int32_t);
typedef double DFG_OPERATION (*D_DFGOperation_DD)(double, double);
typedef double DFG_OPERATION (*D_DFGOperation_ZZ)(int32_t, int32_t);
typedef double DFG_OPERATION (*D_DFGOperation_EJ)(ExecState*, EncodedJSValue);
typedef int32_t DFG_OPERATION (*Z_DFGOperation_D)(double);
typedef size_t DFG_OPERATION (*S_DFGOperation_ECC)(ExecState*, JSCell*, JSCell*);
typedef size_t DFG_OPERATION (*S_DFGOperation_EJ)(ExecState*, EncodedJSValue);
typedef size_t DFG_OPERATION (*S_DFGOperation_EJJ)(ExecState*, EncodedJSValue, EncodedJSValue);
typedef size_t DFG_OPERATION (*S_DFGOperation_J)(EncodedJSValue);
typedef void DFG_OPERATION (*V_DFGOperation_EOZD)(ExecState*, JSObject*, int32_t, double);
typedef void DFG_OPERATION (*V_DFGOperation_EOZJ)(ExecState*, JSObject*, int32_t, EncodedJSValue);
typedef void DFG_OPERATION (*V_DFGOperation_EC)(ExecState*, JSCell*);
typedef void DFG_OPERATION (*V_DFGOperation_ECIcf)(ExecState*, JSCell*, InlineCallFrame*);
typedef void DFG_OPERATION (*V_DFGOperation_ECCIcf)(ExecState*, JSCell*, JSCell*, InlineCallFrame*);
typedef void DFG_OPERATION (*V_DFGOperation_ECJJ)(ExecState*, JSCell*, EncodedJSValue, EncodedJSValue);
typedef void DFG_OPERATION (*V_DFGOperation_ECZ)(ExecState*, JSCell*, int32_t);
typedef void DFG_OPERATION (*V_DFGOperation_ECC)(ExecState*, JSCell*, JSCell*);
typedef void DFG_OPERATION (*V_DFGOperation_EJCI)(ExecState*, EncodedJSValue, JSCell*, Identifier*);
typedef void DFG_OPERATION (*V_DFGOperation_EJJJ)(ExecState*, EncodedJSValue, EncodedJSValue, EncodedJSValue);
typedef void DFG_OPERATION (*V_DFGOperation_EJPP)(ExecState*, EncodedJSValue, EncodedJSValue, void*);
typedef void DFG_OPERATION (*V_DFGOperation_EPZJ)(ExecState*, void*, int32_t, EncodedJSValue);
typedef void DFG_OPERATION (*V_DFGOperation_W)(WatchpointSet*);
typedef char* DFG_OPERATION (*P_DFGOperation_E)(ExecState*);
typedef char* DFG_OPERATION (*P_DFGOperation_EC)(ExecState*, JSCell*);
typedef char* DFG_OPERATION (*P_DFGOperation_EO)(ExecState*, JSObject*);
typedef char* DFG_OPERATION (*P_DFGOperation_EOS)(ExecState*, JSObject*, size_t);
typedef char* DFG_OPERATION (*P_DFGOperation_EOZ)(ExecState*, JSObject*, int32_t);
typedef char* DFG_OPERATION (*P_DFGOperation_EPS)(ExecState*, void*, size_t);
typedef char* DFG_OPERATION (*P_DFGOperation_ES)(ExecState*, size_t);
typedef char* DFG_OPERATION (*P_DFGOperation_ESt)(ExecState*, Structure*);
typedef char* DFG_OPERATION (*P_DFGOperation_EStPS)(ExecState*, Structure*, void*, size_t);
typedef char* DFG_OPERATION (*P_DFGOperation_EStSS)(ExecState*, Structure*, size_t, size_t);
typedef char* DFG_OPERATION (*P_DFGOperation_EStZ)(ExecState*, Structure*, int32_t);
typedef StringImpl* DFG_OPERATION (*Str_DFGOperation_EJss)(ExecState*, JSString*);
JSCell* DFG_OPERATION operationStringFromCharCode(ExecState*, int32_t) WTF_INTERNAL;
// These routines are provide callbacks out to C++ implementations of operations too complex to JIT.
JSCell* DFG_OPERATION operationNewObject(ExecState*, Structure*) WTF_INTERNAL;
JSCell* DFG_OPERATION operationCreateThis(ExecState*, JSObject* constructor, int32_t inlineCapacity) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationConvertThis(ExecState*, EncodedJSValue encodedOp1) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationValueAdd(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationValueAddNotNumber(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationGetByVal(ExecState*, EncodedJSValue encodedBase, EncodedJSValue encodedProperty) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationGetByValCell(ExecState*, JSCell*, EncodedJSValue encodedProperty) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationGetByValArrayInt(ExecState*, JSArray*, int32_t) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationGetById(ExecState*, EncodedJSValue, Identifier*) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationGetByIdBuildList(ExecState*, EncodedJSValue, Identifier*) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationGetByIdProtoBuildList(ExecState*, EncodedJSValue, Identifier*) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationGetByIdOptimize(ExecState*, EncodedJSValue, Identifier*) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationCallCustomGetter(ExecState*, JSCell*, PropertySlot::GetValueFunc, Identifier*) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationCallGetter(ExecState*, JSCell*, JSCell*) WTF_INTERNAL;
void DFG_OPERATION operationNotifyGlobalVarWrite(WatchpointSet* watchpointSet) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationResolve(ExecState*, Identifier*, ResolveOperations*) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationResolveBase(ExecState*, Identifier*, ResolveOperations*, PutToBaseOperation*) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationResolveBaseStrictPut(ExecState*, Identifier*, ResolveOperations*, PutToBaseOperation*) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationResolveGlobal(ExecState*, ResolveOperation*, JSGlobalObject*, Identifier*) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationToPrimitive(ExecState*, EncodedJSValue) WTF_INTERNAL;
char* DFG_OPERATION operationNewArray(ExecState*, Structure*, void*, size_t) WTF_INTERNAL;
char* DFG_OPERATION operationNewArrayBuffer(ExecState*, Structure*, size_t, size_t) WTF_INTERNAL;
char* DFG_OPERATION operationNewEmptyArray(ExecState*, Structure*) WTF_INTERNAL;
char* DFG_OPERATION operationNewArrayWithSize(ExecState*, Structure*, int32_t) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationNewRegexp(ExecState*, void*) WTF_INTERNAL;
void DFG_OPERATION operationPutByValStrict(ExecState*, EncodedJSValue encodedBase, EncodedJSValue encodedProperty, EncodedJSValue encodedValue) WTF_INTERNAL;
void DFG_OPERATION operationPutByValNonStrict(ExecState*, EncodedJSValue encodedBase, EncodedJSValue encodedProperty, EncodedJSValue encodedValue) WTF_INTERNAL;
void DFG_OPERATION operationPutByValCellStrict(ExecState*, JSCell*, EncodedJSValue encodedProperty, EncodedJSValue encodedValue) WTF_INTERNAL;
void DFG_OPERATION operationPutByValCellNonStrict(ExecState*, JSCell*, EncodedJSValue encodedProperty, EncodedJSValue encodedValue) WTF_INTERNAL;
void DFG_OPERATION operationPutByValBeyondArrayBoundsStrict(ExecState*, JSObject*, int32_t index, EncodedJSValue encodedValue) WTF_INTERNAL;
void DFG_OPERATION operationPutByValBeyondArrayBoundsNonStrict(ExecState*, JSObject*, int32_t index, EncodedJSValue encodedValue) WTF_INTERNAL;
void DFG_OPERATION operationPutDoubleByValBeyondArrayBoundsStrict(ExecState*, JSObject*, int32_t index, double value) WTF_INTERNAL;
void DFG_OPERATION operationPutDoubleByValBeyondArrayBoundsNonStrict(ExecState*, JSObject*, int32_t index, double value) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationArrayPush(ExecState*, EncodedJSValue encodedValue, JSArray*) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationArrayPushDouble(ExecState*, double value, JSArray*) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationArrayPop(ExecState*, JSArray*) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationArrayPopAndRecoverLength(ExecState*, JSArray*) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationRegExpExec(ExecState*, JSCell*, JSCell*) WTF_INTERNAL;
void DFG_OPERATION operationPutByIdStrict(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL;
void DFG_OPERATION operationPutByIdNonStrict(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL;
void DFG_OPERATION operationPutByIdDirectStrict(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL;
void DFG_OPERATION operationPutByIdDirectNonStrict(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL;
void DFG_OPERATION operationPutByIdStrictOptimize(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL;
void DFG_OPERATION operationPutByIdNonStrictOptimize(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL;
void DFG_OPERATION operationPutByIdDirectStrictOptimize(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL;
void DFG_OPERATION operationPutByIdDirectNonStrictOptimize(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL;
void DFG_OPERATION operationPutByIdStrictBuildList(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL;
void DFG_OPERATION operationPutByIdNonStrictBuildList(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL;
void DFG_OPERATION operationPutByIdDirectStrictBuildList(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL;
void DFG_OPERATION operationPutByIdDirectNonStrictBuildList(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL;
// These comparisons return a boolean within a size_t such that the value is zero extended to fill the register.
size_t DFG_OPERATION operationRegExpTest(ExecState*, JSCell*, JSCell*) WTF_INTERNAL;
size_t DFG_OPERATION operationCompareLess(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL;
size_t DFG_OPERATION operationCompareLessEq(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL;
size_t DFG_OPERATION operationCompareGreater(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL;
size_t DFG_OPERATION operationCompareGreaterEq(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL;
size_t DFG_OPERATION operationCompareEq(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL;
#if USE(JSVALUE64)
EncodedJSValue DFG_OPERATION operationCompareStringEq(ExecState*, JSCell* left, JSCell* right) WTF_INTERNAL;
#else
size_t DFG_OPERATION operationCompareStringEq(ExecState*, JSCell* left, JSCell* right) WTF_INTERNAL;
#endif
size_t DFG_OPERATION operationCompareStrictEqCell(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL;
size_t DFG_OPERATION operationCompareStrictEq(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL;
char* DFG_OPERATION operationVirtualCall(ExecState*) WTF_INTERNAL;
char* DFG_OPERATION operationLinkCall(ExecState*) WTF_INTERNAL;
char* DFG_OPERATION operationLinkClosureCall(ExecState*) WTF_INTERNAL;
char* DFG_OPERATION operationVirtualConstruct(ExecState*) WTF_INTERNAL;
char* DFG_OPERATION operationLinkConstruct(ExecState*) WTF_INTERNAL;
JSCell* DFG_OPERATION operationCreateActivation(ExecState*) WTF_INTERNAL;
JSCell* DFG_OPERATION operationCreateArguments(ExecState*) WTF_INTERNAL;
JSCell* DFG_OPERATION operationCreateInlinedArguments(ExecState*, InlineCallFrame*) WTF_INTERNAL;
void DFG_OPERATION operationTearOffArguments(ExecState*, JSCell*, JSCell*) WTF_INTERNAL;
void DFG_OPERATION operationTearOffInlinedArguments(ExecState*, JSCell*, JSCell*, InlineCallFrame*) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationGetArgumentsLength(ExecState*, int32_t) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationGetInlinedArgumentByVal(ExecState*, int32_t, InlineCallFrame*, int32_t) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationGetArgumentByVal(ExecState*, int32_t, int32_t) WTF_INTERNAL;
JSCell* DFG_OPERATION operationNewFunctionNoCheck(ExecState*, JSCell*) WTF_INTERNAL;
EncodedJSValue DFG_OPERATION operationNewFunction(ExecState*, JSCell*) WTF_INTERNAL;
JSCell* DFG_OPERATION operationNewFunctionExpression(ExecState*, JSCell*) WTF_INTERNAL;
double DFG_OPERATION operationFModOnInts(int32_t, int32_t) WTF_INTERNAL;
size_t DFG_OPERATION operationIsObject(ExecState*, EncodedJSValue) WTF_INTERNAL;
size_t DFG_OPERATION operationIsFunction(EncodedJSValue) WTF_INTERNAL;
JSCell* DFG_OPERATION operationTypeOf(ExecState*, JSCell*) WTF_INTERNAL;
void DFG_OPERATION operationReallocateStorageAndFinishPut(ExecState*, JSObject*, Structure*, PropertyOffset, EncodedJSValue) WTF_INTERNAL;
char* DFG_OPERATION operationAllocatePropertyStorageWithInitialCapacity(ExecState*) WTF_INTERNAL;
char* DFG_OPERATION operationAllocatePropertyStorage(ExecState*, size_t newSize) WTF_INTERNAL;
char* DFG_OPERATION operationReallocateButterflyToHavePropertyStorageWithInitialCapacity(ExecState*, JSObject*) WTF_INTERNAL;
char* DFG_OPERATION operationReallocateButterflyToGrowPropertyStorage(ExecState*, JSObject*, size_t newSize) WTF_INTERNAL;
char* DFG_OPERATION operationEnsureInt32(ExecState*, JSCell*);
char* DFG_OPERATION operationEnsureDouble(ExecState*, JSCell*);
char* DFG_OPERATION operationEnsureContiguous(ExecState*, JSCell*);
char* DFG_OPERATION operationRageEnsureContiguous(ExecState*, JSCell*);
char* DFG_OPERATION operationEnsureArrayStorage(ExecState*, JSCell*);
StringImpl* DFG_OPERATION operationResolveRope(ExecState*, JSString*);
JSCell* DFG_OPERATION operationNewStringObject(ExecState*, JSString*, Structure*);
JSCell* DFG_OPERATION operationToStringOnCell(ExecState*, JSCell*);
JSCell* DFG_OPERATION operationToString(ExecState*, EncodedJSValue);
JSCell* DFG_OPERATION operationMakeRope2(ExecState*, JSString*, JSString*);
JSCell* DFG_OPERATION operationMakeRope3(ExecState*, JSString*, JSString*, JSString*);
// This method is used to lookup an exception hander, keyed by faultLocation, which is
// the return location from one of the calls out to one of the helper operations above.
// According to C++ rules, a type used for the return signature of function with C linkage (i.e.
// 'extern "C"') needs to be POD; hence putting any constructors into it could cause either compiler
// warnings, or worse, a change in the ABI used to return these types.
struct DFGHandler {
union Union {
struct Struct {
ExecState* exec;
void* handler;
} s;
uint64_t encoded;
} u;
};
inline DFGHandler createDFGHandler(ExecState* exec, void* handler)
{
DFGHandler result;
result.u.s.exec = exec;
result.u.s.handler = handler;
return result;
}
#if CPU(X86_64)
typedef DFGHandler DFGHandlerEncoded;
inline DFGHandlerEncoded dfgHandlerEncoded(ExecState* exec, void* handler)
{
return createDFGHandler(exec, handler);
}
#else
typedef uint64_t DFGHandlerEncoded;
inline DFGHandlerEncoded dfgHandlerEncoded(ExecState* exec, void* handler)
{
COMPILE_ASSERT(sizeof(DFGHandler::Union) == sizeof(uint64_t), DFGHandler_Union_is_64bit);
return createDFGHandler(exec, handler).u.encoded;
}
#endif
DFGHandlerEncoded DFG_OPERATION lookupExceptionHandler(ExecState*, uint32_t) WTF_INTERNAL;
DFGHandlerEncoded DFG_OPERATION lookupExceptionHandlerInStub(ExecState*, StructureStubInfo*) WTF_INTERNAL;
// These operations implement the implicitly called ToInt32 and ToBoolean conversions from ES5.
// This conversion returns an int32_t within a size_t such that the value is zero extended to fill the register.
size_t DFG_OPERATION dfgConvertJSValueToInt32(ExecState*, EncodedJSValue) WTF_INTERNAL;
size_t DFG_OPERATION dfgConvertJSValueToBoolean(ExecState*, EncodedJSValue) WTF_INTERNAL;
void DFG_OPERATION debugOperationPrintSpeculationFailure(ExecState*, void*, void*) WTF_INTERNAL;
void DFG_OPERATION triggerReoptimizationNow(CodeBlock*) WTF_INTERNAL;
} // extern "C"
} } // namespace JSC::DFG
#endif
#endif
|
