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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_CODE_STUBS_H_ | 5 #ifndef V8_CODE_STUBS_H_ |
6 #define V8_CODE_STUBS_H_ | 6 #define V8_CODE_STUBS_H_ |
7 | 7 |
8 #include "src/allocation.h" | 8 #include "src/allocation.h" |
9 #include "src/assembler.h" | 9 #include "src/assembler.h" |
10 #include "src/codegen.h" | 10 #include "src/codegen.h" |
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181 // true, which will cause an assertion if we try to call something that can | 181 // true, which will cause an assertion if we try to call something that can |
182 // GC or if we try to put a stack frame on top of the junk, which would not | 182 // GC or if we try to put a stack frame on top of the junk, which would not |
183 // result in a traversable stack. | 183 // result in a traversable stack. |
184 virtual bool SometimesSetsUpAFrame() { return true; } | 184 virtual bool SometimesSetsUpAFrame() { return true; } |
185 | 185 |
186 // Lookup the code in the (possibly custom) cache. | 186 // Lookup the code in the (possibly custom) cache. |
187 bool FindCodeInCache(Code** code_out); | 187 bool FindCodeInCache(Code** code_out); |
188 | 188 |
189 // Returns information for computing the number key. | 189 // Returns information for computing the number key. |
190 virtual Major MajorKey() const = 0; | 190 virtual Major MajorKey() const = 0; |
191 virtual uint32_t MinorKey() const { return minor_key_; } | 191 uint32_t MinorKey() const { return minor_key_; } |
192 | 192 |
193 virtual InlineCacheState GetICState() const { return UNINITIALIZED; } | 193 virtual InlineCacheState GetICState() const { return UNINITIALIZED; } |
194 virtual ExtraICState GetExtraICState() const { return kNoExtraICState; } | 194 virtual ExtraICState GetExtraICState() const { return kNoExtraICState; } |
195 virtual Code::StubType GetStubType() { | 195 virtual Code::StubType GetStubType() { |
196 return Code::NORMAL; | 196 return Code::NORMAL; |
197 } | 197 } |
198 | 198 |
199 friend OStream& operator<<(OStream& os, const CodeStub& s) { | 199 friend OStream& operator<<(OStream& os, const CodeStub& s) { |
200 s.PrintName(os); | 200 s.PrintName(os); |
201 return os; | 201 return os; |
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2669 private: | 2669 private: |
2670 virtual Major MajorKey() const { return StringCompare; } | 2670 virtual Major MajorKey() const { return StringCompare; } |
2671 | 2671 |
2672 virtual void Generate(MacroAssembler* masm); | 2672 virtual void Generate(MacroAssembler* masm); |
2673 | 2673 |
2674 DISALLOW_COPY_AND_ASSIGN(StringCompareStub); | 2674 DISALLOW_COPY_AND_ASSIGN(StringCompareStub); |
2675 }; | 2675 }; |
2676 } } // namespace v8::internal | 2676 } } // namespace v8::internal |
2677 | 2677 |
2678 #endif // V8_CODE_STUBS_H_ | 2678 #endif // V8_CODE_STUBS_H_ |
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