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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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65 }; | 65 }; |
66 static int MinorKeyFromKey(uint32_t key) { | 66 static int MinorKeyFromKey(uint32_t key) { |
67 return MinorKeyBits::decode(key); | 67 return MinorKeyBits::decode(key); |
68 }; | 68 }; |
69 static const char* MajorName(Major major_key); | 69 static const char* MajorName(Major major_key); |
70 | 70 |
71 virtual ~CodeStub() {} | 71 virtual ~CodeStub() {} |
72 | 72 |
73 protected: | 73 protected: |
74 static const int kMajorBits = 5; | 74 static const int kMajorBits = 5; |
75 static const int kMinorBits = kBitsPerPointer - kMajorBits - kSmiTagSize; | 75 static const int kMinorBits = kBitsPerInt - kMajorBits - kSmiTagSize; |
76 | 76 |
77 private: | 77 private: |
78 // Generates the assembler code for the stub. | 78 // Generates the assembler code for the stub. |
79 virtual void Generate(MacroAssembler* masm) = 0; | 79 virtual void Generate(MacroAssembler* masm) = 0; |
80 | 80 |
81 // Returns information for computing the number key. | 81 // Returns information for computing the number key. |
82 virtual Major MajorKey() = 0; | 82 virtual Major MajorKey() = 0; |
83 virtual int MinorKey() = 0; | 83 virtual int MinorKey() = 0; |
84 | 84 |
85 // Returns a name for logging/debugging purposes. | 85 // Returns a name for logging/debugging purposes. |
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100 | 100 |
101 class MajorKeyBits: public BitField<uint32_t, 0, kMajorBits> {}; | 101 class MajorKeyBits: public BitField<uint32_t, 0, kMajorBits> {}; |
102 class MinorKeyBits: public BitField<uint32_t, kMajorBits, kMinorBits> {}; | 102 class MinorKeyBits: public BitField<uint32_t, kMajorBits, kMinorBits> {}; |
103 | 103 |
104 friend class BreakPointIterator; | 104 friend class BreakPointIterator; |
105 }; | 105 }; |
106 | 106 |
107 } } // namespace v8::internal | 107 } } // namespace v8::internal |
108 | 108 |
109 #endif // V8_CODE_STUBS_H_ | 109 #endif // V8_CODE_STUBS_H_ |
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