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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 // 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_PROFILE_GENERATOR_H_ | 5 #ifndef V8_PROFILE_GENERATOR_H_ |
6 #define V8_PROFILE_GENERATOR_H_ | 6 #define V8_PROFILE_GENERATOR_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include "include/v8-profiler.h" | 9 #include "include/v8-profiler.h" |
10 #include "src/allocation.h" | 10 #include "src/allocation.h" |
11 #include "src/hashmap.h" | 11 #include "src/hashmap.h" |
| 12 #include "src/strings-storage.h" |
12 | 13 |
13 namespace v8 { | 14 namespace v8 { |
14 namespace internal { | 15 namespace internal { |
15 | 16 |
16 struct OffsetRange; | 17 struct OffsetRange; |
17 | 18 |
18 // Provides a storage of strings allocated in C++ heap, to hold them | |
19 // forever, even if they disappear from JS heap or external storage. | |
20 class StringsStorage { | |
21 public: | |
22 explicit StringsStorage(Heap* heap); | |
23 ~StringsStorage(); | |
24 | |
25 const char* GetCopy(const char* src); | |
26 const char* GetFormatted(const char* format, ...); | |
27 const char* GetVFormatted(const char* format, va_list args); | |
28 const char* GetName(Name* name); | |
29 const char* GetName(int index); | |
30 const char* GetFunctionName(Name* name); | |
31 const char* GetFunctionName(const char* name); | |
32 size_t GetUsedMemorySize() const; | |
33 | |
34 private: | |
35 static const int kMaxNameSize = 1024; | |
36 | |
37 static bool StringsMatch(void* key1, void* key2); | |
38 const char* AddOrDisposeString(char* str, int len); | |
39 HashMap::Entry* GetEntry(const char* str, int len); | |
40 | |
41 uint32_t hash_seed_; | |
42 HashMap names_; | |
43 | |
44 DISALLOW_COPY_AND_ASSIGN(StringsStorage); | |
45 }; | |
46 | |
47 | |
48 // Provides a mapping from the offsets within generated code to | 19 // Provides a mapping from the offsets within generated code to |
49 // the source line. | 20 // the source line. |
50 class JITLineInfoTable : public Malloced { | 21 class JITLineInfoTable : public Malloced { |
51 public: | 22 public: |
52 JITLineInfoTable(); | 23 JITLineInfoTable(); |
53 ~JITLineInfoTable(); | 24 ~JITLineInfoTable(); |
54 | 25 |
55 void SetPosition(int pc_offset, int line); | 26 void SetPosition(int pc_offset, int line); |
56 int GetSourceLineNumber(int pc_offset) const; | 27 int GetSourceLineNumber(int pc_offset) const; |
57 | 28 |
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403 CodeEntry* gc_entry_; | 374 CodeEntry* gc_entry_; |
404 CodeEntry* unresolved_entry_; | 375 CodeEntry* unresolved_entry_; |
405 | 376 |
406 DISALLOW_COPY_AND_ASSIGN(ProfileGenerator); | 377 DISALLOW_COPY_AND_ASSIGN(ProfileGenerator); |
407 }; | 378 }; |
408 | 379 |
409 | 380 |
410 } } // namespace v8::internal | 381 } } // namespace v8::internal |
411 | 382 |
412 #endif // V8_PROFILE_GENERATOR_H_ | 383 #endif // V8_PROFILE_GENERATOR_H_ |
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