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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium 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 BASE_DEBUG_STACK_TRACE_H_ | 5 #ifndef BASE_DEBUG_STACK_TRACE_H_ |
6 #define BASE_DEBUG_STACK_TRACE_H_ | 6 #define BASE_DEBUG_STACK_TRACE_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <iosfwd> | 9 #include <iosfwd> |
10 | 10 |
11 #include "base/base_api.h" | 11 #include "base/base_export.h" |
12 #include "build/build_config.h" | 12 #include "build/build_config.h" |
13 | 13 |
14 #if defined(OS_WIN) | 14 #if defined(OS_WIN) |
15 struct _EXCEPTION_POINTERS; | 15 struct _EXCEPTION_POINTERS; |
16 #endif | 16 #endif |
17 | 17 |
18 namespace base { | 18 namespace base { |
19 namespace debug { | 19 namespace debug { |
20 | 20 |
21 // A stacktrace can be helpful in debugging. For example, you can include a | 21 // A stacktrace can be helpful in debugging. For example, you can include a |
22 // stacktrace member in a object (probably around #ifndef NDEBUG) so that you | 22 // stacktrace member in a object (probably around #ifndef NDEBUG) so that you |
23 // can later see where the given object was created from. | 23 // can later see where the given object was created from. |
24 class BASE_API StackTrace { | 24 class BASE_EXPORT StackTrace { |
25 public: | 25 public: |
26 // Creates a stacktrace from the current location. | 26 // Creates a stacktrace from the current location. |
27 StackTrace(); | 27 StackTrace(); |
28 | 28 |
29 #if defined(OS_WIN) | 29 #if defined(OS_WIN) |
30 // Creates a stacktrace for an exception. | 30 // Creates a stacktrace for an exception. |
31 // Note: this function will throw an import not found (StackWalk64) exception | 31 // Note: this function will throw an import not found (StackWalk64) exception |
32 // on system without dbghelp 5.1. | 32 // on system without dbghelp 5.1. |
33 StackTrace(_EXCEPTION_POINTERS* exception_pointers); | 33 StackTrace(_EXCEPTION_POINTERS* exception_pointers); |
34 #endif | 34 #endif |
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55 static const int kMaxTraces = 62; | 55 static const int kMaxTraces = 62; |
56 | 56 |
57 void* trace_[kMaxTraces]; | 57 void* trace_[kMaxTraces]; |
58 int count_; | 58 int count_; |
59 }; | 59 }; |
60 | 60 |
61 } // namespace debug | 61 } // namespace debug |
62 } // namespace base | 62 } // namespace base |
63 | 63 |
64 #endif // BASE_DEBUG_STACK_TRACE_H_ | 64 #endif // BASE_DEBUG_STACK_TRACE_H_ |
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