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| 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef RUNTIME_VM_CODE_OBSERVERS_H_ | 5 #ifndef RUNTIME_VM_CODE_OBSERVERS_H_ |
| 6 #define RUNTIME_VM_CODE_OBSERVERS_H_ | 6 #define RUNTIME_VM_CODE_OBSERVERS_H_ |
| 7 | 7 |
| 8 #include "vm/globals.h" | 8 #include "vm/globals.h" |
| 9 #include "vm/allocation.h" | 9 #include "vm/allocation.h" |
| 10 | 10 |
| 11 namespace dart { | 11 namespace dart { |
| 12 | 12 |
| 13 #ifndef PRODUCT | 13 #ifndef PRODUCT |
| 14 | 14 |
| 15 class Mutex; | 15 class Mutex; |
| 16 | 16 |
| 17 // Object observing code creation events. Used by external profilers and | 17 // Object observing code creation events. Used by external profilers and |
| 18 // debuggers to map address ranges to function names. | 18 // debuggers to map address ranges to function names. |
| 19 class CodeObserver { | 19 class CodeObserver { |
| 20 public: | 20 public: |
| 21 CodeObserver() { } | 21 CodeObserver() {} |
| 22 | 22 |
| 23 virtual ~CodeObserver() { } | 23 virtual ~CodeObserver() {} |
| 24 | 24 |
| 25 // Returns true if this observer is active and should be notified | 25 // Returns true if this observer is active and should be notified |
| 26 // about newly created code objects. | 26 // about newly created code objects. |
| 27 virtual bool IsActive() const = 0; | 27 virtual bool IsActive() const = 0; |
| 28 | 28 |
| 29 // Notify code observer about a newly created code object with the | 29 // Notify code observer about a newly created code object with the |
| 30 // given properties. | 30 // given properties. |
| 31 virtual void Notify(const char* name, | 31 virtual void Notify(const char* name, |
| 32 uword base, | 32 uword base, |
| 33 uword prologue_offset, | 33 uword prologue_offset, |
| (...skipping 16 matching lines...) Expand all Loading... |
| 50 uword base, | 50 uword base, |
| 51 uword prologue_offset, | 51 uword prologue_offset, |
| 52 uword size, | 52 uword size, |
| 53 bool optimized); | 53 bool optimized); |
| 54 | 54 |
| 55 // Returns true if there is at least one active code observer. | 55 // Returns true if there is at least one active code observer. |
| 56 static bool AreActive(); | 56 static bool AreActive(); |
| 57 | 57 |
| 58 static void DeleteAll(); | 58 static void DeleteAll(); |
| 59 | 59 |
| 60 static Mutex* mutex() { | 60 static Mutex* mutex() { return mutex_; } |
| 61 return mutex_; | |
| 62 } | |
| 63 | 61 |
| 64 private: | 62 private: |
| 65 static Mutex* mutex_; | 63 static Mutex* mutex_; |
| 66 static intptr_t observers_length_; | 64 static intptr_t observers_length_; |
| 67 static CodeObserver** observers_; | 65 static CodeObserver** observers_; |
| 68 }; | 66 }; |
| 69 | 67 |
| 70 #endif // !PRODUCT | 68 #endif // !PRODUCT |
| 71 | 69 |
| 72 } // namespace dart | 70 } // namespace dart |
| 73 | 71 |
| 74 #endif // RUNTIME_VM_CODE_OBSERVERS_H_ | 72 #endif // RUNTIME_VM_CODE_OBSERVERS_H_ |
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