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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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266 | 266 |
267 private: | 267 private: |
268 const char* GetName() { return "FastNewClosureStub"; } | 268 const char* GetName() { return "FastNewClosureStub"; } |
269 Major MajorKey() { return FastNewClosure; } | 269 Major MajorKey() { return FastNewClosure; } |
270 int MinorKey() { return 0; } | 270 int MinorKey() { return 0; } |
271 }; | 271 }; |
272 | 272 |
273 | 273 |
274 class FastNewContextStub : public CodeStub { | 274 class FastNewContextStub : public CodeStub { |
275 public: | 275 public: |
276 static const int kMaximumSlots = 64; | 276 // We want no more than 64 different stubs. |
| 277 static const int kMaximumSlots = Context::MIN_CONTEXT_SLOTS + 63; |
277 | 278 |
278 explicit FastNewContextStub(int slots) : slots_(slots) { | 279 explicit FastNewContextStub(int slots) : slots_(slots) { |
279 ASSERT(slots_ > 0 && slots <= kMaximumSlots); | 280 ASSERT(slots_ >= Context::MIN_CONTEXT_SLOTS && slots_ <= kMaximumSlots); |
280 } | 281 } |
281 | 282 |
282 void Generate(MacroAssembler* masm); | 283 void Generate(MacroAssembler* masm); |
283 | 284 |
284 private: | 285 private: |
| 286 virtual const char* GetName() { return "FastNewContextStub"; } |
| 287 virtual Major MajorKey() { return FastNewContext; } |
| 288 virtual int MinorKey() { return slots_; } |
| 289 |
285 int slots_; | 290 int slots_; |
286 | |
287 const char* GetName() { return "FastNewContextStub"; } | |
288 Major MajorKey() { return FastNewContext; } | |
289 int MinorKey() { return slots_; } | |
290 }; | 291 }; |
291 | 292 |
292 | 293 |
293 class FastCloneShallowArrayStub : public CodeStub { | 294 class FastCloneShallowArrayStub : public CodeStub { |
294 public: | 295 public: |
295 // Maximum length of copied elements array. | 296 // Maximum length of copied elements array. |
296 static const int kMaximumClonedLength = 8; | 297 static const int kMaximumClonedLength = 8; |
297 | 298 |
298 enum Mode { | 299 enum Mode { |
299 CLONE_ELEMENTS, | 300 CLONE_ELEMENTS, |
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930 private: | 931 private: |
931 MacroAssembler* masm_; | 932 MacroAssembler* masm_; |
932 bool previous_allow_; | 933 bool previous_allow_; |
933 | 934 |
934 DISALLOW_COPY_AND_ASSIGN(AllowStubCallsScope); | 935 DISALLOW_COPY_AND_ASSIGN(AllowStubCallsScope); |
935 }; | 936 }; |
936 | 937 |
937 } } // namespace v8::internal | 938 } } // namespace v8::internal |
938 | 939 |
939 #endif // V8_CODE_STUBS_H_ | 940 #endif // V8_CODE_STUBS_H_ |
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