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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 // 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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2288 explicit ProfileEntryHookStub() {} | 2288 explicit ProfileEntryHookStub() {} |
2289 | 2289 |
2290 // The profile entry hook function is not allowed to cause a GC. | 2290 // The profile entry hook function is not allowed to cause a GC. |
2291 virtual bool SometimesSetsUpAFrame() { return false; } | 2291 virtual bool SometimesSetsUpAFrame() { return false; } |
2292 | 2292 |
2293 // Generates a call to the entry hook if it's enabled. | 2293 // Generates a call to the entry hook if it's enabled. |
2294 static void MaybeCallEntryHook(MacroAssembler* masm); | 2294 static void MaybeCallEntryHook(MacroAssembler* masm); |
2295 | 2295 |
2296 private: | 2296 private: |
2297 static void EntryHookTrampoline(intptr_t function, | 2297 static void EntryHookTrampoline(intptr_t function, |
2298 intptr_t stack_pointer); | 2298 intptr_t stack_pointer, |
| 2299 Isolate* isolate); |
2299 | 2300 |
2300 Major MajorKey() { return ProfileEntryHook; } | 2301 Major MajorKey() { return ProfileEntryHook; } |
2301 int MinorKey() { return 0; } | 2302 int MinorKey() { return 0; } |
2302 | 2303 |
2303 void Generate(MacroAssembler* masm); | 2304 void Generate(MacroAssembler* masm); |
2304 | 2305 |
2305 DISALLOW_COPY_AND_ASSIGN(ProfileEntryHookStub); | 2306 DISALLOW_COPY_AND_ASSIGN(ProfileEntryHookStub); |
2306 }; | 2307 }; |
2307 | 2308 |
2308 } } // namespace v8::internal | 2309 } } // namespace v8::internal |
2309 | 2310 |
2310 #endif // V8_CODE_STUBS_H_ | 2311 #endif // V8_CODE_STUBS_H_ |
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