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Issue 7050039: Revert 8122 (stub call asserts) while test failures are investigated. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 9 years, 6 months ago
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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
(...skipping 57 matching lines...) Expand 10 before | Expand all | Expand 10 after
68 V(RegExpExec) \ 68 V(RegExpExec) \
69 V(RegExpConstructResult) \ 69 V(RegExpConstructResult) \
70 V(NumberToString) \ 70 V(NumberToString) \
71 V(CEntry) \ 71 V(CEntry) \
72 V(JSEntry) \ 72 V(JSEntry) \
73 V(KeyedLoadFastElement) \ 73 V(KeyedLoadFastElement) \
74 V(KeyedStoreFastElement) \ 74 V(KeyedStoreFastElement) \
75 V(KeyedLoadExternalArray) \ 75 V(KeyedLoadExternalArray) \
76 V(KeyedStoreExternalArray) \ 76 V(KeyedStoreExternalArray) \
77 V(DebuggerStatement) \ 77 V(DebuggerStatement) \
78 V(StringDictionaryLookup) 78 V(StringDictionaryNegativeLookup)
79 79
80 // List of code stubs only used on ARM platforms. 80 // List of code stubs only used on ARM platforms.
81 #ifdef V8_TARGET_ARCH_ARM 81 #ifdef V8_TARGET_ARCH_ARM
82 #define CODE_STUB_LIST_ARM(V) \ 82 #define CODE_STUB_LIST_ARM(V) \
83 V(GetProperty) \ 83 V(GetProperty) \
84 V(SetProperty) \ 84 V(SetProperty) \
85 V(InvokeBuiltin) \ 85 V(InvokeBuiltin) \
86 V(RegExpCEntry) \ 86 V(RegExpCEntry) \
87 V(DirectCEntry) 87 V(DirectCEntry)
88 #else 88 #else
(...skipping 48 matching lines...) Expand 10 before | Expand all | Expand 10 after
137 137
138 // Gets the major key from a code object that is a code stub or binary op IC. 138 // Gets the major key from a code object that is a code stub or binary op IC.
139 static Major GetMajorKey(Code* code_stub) { 139 static Major GetMajorKey(Code* code_stub) {
140 return static_cast<Major>(code_stub->major_key()); 140 return static_cast<Major>(code_stub->major_key());
141 } 141 }
142 142
143 static const char* MajorName(Major major_key, bool allow_unknown_keys); 143 static const char* MajorName(Major major_key, bool allow_unknown_keys);
144 144
145 virtual ~CodeStub() {} 145 virtual ~CodeStub() {}
146 146
147 // See comment above, where Instanceof is defined.
148 virtual bool CompilingCallsToThisStubIsGCSafe() {
149 return MajorKey() <= Instanceof;
150 }
151
152 virtual bool SometimesSetsUpAFrame() { return true; }
153
154 protected: 147 protected:
155 static const int kMajorBits = 6; 148 static const int kMajorBits = 6;
156 static const int kMinorBits = kBitsPerInt - kSmiTagSize - kMajorBits; 149 static const int kMinorBits = kBitsPerInt - kSmiTagSize - kMajorBits;
157 150
158 private: 151 private:
159 // Lookup the code in the (possibly custom) cache. 152 // Lookup the code in the (possibly custom) cache.
160 bool FindCodeInCache(Code** code_out); 153 bool FindCodeInCache(Code** code_out);
161 154
162 // Nonvirtual wrapper around the stub-specific Generate function. Call 155 // Nonvirtual wrapper around the stub-specific Generate function. Call
163 // this function to set up the macro assembler and generate the code. 156 // this function to set up the macro assembler and generate the code.
(...skipping 36 matching lines...) Expand 10 before | Expand all | Expand 10 after
200 virtual void Print() { PrintF("%s\n", GetName()); } 193 virtual void Print() { PrintF("%s\n", GetName()); }
201 #endif 194 #endif
202 195
203 // Computes the key based on major and minor. 196 // Computes the key based on major and minor.
204 uint32_t GetKey() { 197 uint32_t GetKey() {
205 ASSERT(static_cast<int>(MajorKey()) < NUMBER_OF_IDS); 198 ASSERT(static_cast<int>(MajorKey()) < NUMBER_OF_IDS);
206 return MinorKeyBits::encode(MinorKey()) | 199 return MinorKeyBits::encode(MinorKey()) |
207 MajorKeyBits::encode(MajorKey()); 200 MajorKeyBits::encode(MajorKey());
208 } 201 }
209 202
203 // See comment above, where Instanceof is defined.
204 bool AllowsStubCalls() { return MajorKey() <= Instanceof; }
205
210 class MajorKeyBits: public BitField<uint32_t, 0, kMajorBits> {}; 206 class MajorKeyBits: public BitField<uint32_t, 0, kMajorBits> {};
211 class MinorKeyBits: public BitField<uint32_t, kMajorBits, kMinorBits> {}; 207 class MinorKeyBits: public BitField<uint32_t, kMajorBits, kMinorBits> {};
212 208
213 friend class BreakPointIterator; 209 friend class BreakPointIterator;
214 }; 210 };
215 211
216 212
217 // Helper interface to prepare to/restore after making runtime calls. 213 // Helper interface to prepare to/restore after making runtime calls.
218 class RuntimeCallHelper { 214 class RuntimeCallHelper {
219 public: 215 public:
(...skipping 352 matching lines...) Expand 10 before | Expand all | Expand 10 after
572 568
573 569
574 class CEntryStub : public CodeStub { 570 class CEntryStub : public CodeStub {
575 public: 571 public:
576 explicit CEntryStub(int result_size) 572 explicit CEntryStub(int result_size)
577 : result_size_(result_size), save_doubles_(false) { } 573 : result_size_(result_size), save_doubles_(false) { }
578 574
579 void Generate(MacroAssembler* masm); 575 void Generate(MacroAssembler* masm);
580 void SaveDoubles() { save_doubles_ = true; } 576 void SaveDoubles() { save_doubles_ = true; }
581 577
582 // The version of this stub that doesn't save doubles is generated ahead of
583 // time, so it's OK to call it from other stubs that can't cope with GC during
584 // their code generation.
585 virtual bool CompilingCallsToThisStubIsGCSafe() { return !save_doubles_; }
586
587 private: 578 private:
588 void GenerateCore(MacroAssembler* masm, 579 void GenerateCore(MacroAssembler* masm,
589 Label* throw_normal_exception, 580 Label* throw_normal_exception,
590 Label* throw_termination_exception, 581 Label* throw_termination_exception,
591 Label* throw_out_of_memory_exception, 582 Label* throw_out_of_memory_exception,
592 bool do_gc, 583 bool do_gc,
593 bool always_allocate_scope); 584 bool always_allocate_scope);
594 void GenerateThrowTOS(MacroAssembler* masm); 585 void GenerateThrowTOS(MacroAssembler* masm);
595 void GenerateThrowUncatchable(MacroAssembler* masm, 586 void GenerateThrowUncatchable(MacroAssembler* masm,
596 UncatchableExceptionType type); 587 UncatchableExceptionType type);
(...skipping 420 matching lines...) Expand 10 before | Expand all | Expand 10 after
1017 DECLARE_ARRAY_STUB_PRINT(KeyedStoreExternalArrayStub) 1008 DECLARE_ARRAY_STUB_PRINT(KeyedStoreExternalArrayStub)
1018 1009
1019 protected: 1010 protected:
1020 ExternalArrayType array_type_; 1011 ExternalArrayType array_type_;
1021 }; 1012 };
1022 1013
1023 1014
1024 } } // namespace v8::internal 1015 } } // namespace v8::internal
1025 1016
1026 #endif // V8_CODE_STUBS_H_ 1017 #endif // V8_CODE_STUBS_H_
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