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1 // Copyright 2012 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #if defined(TYPE_PROFILING) | |
6 | |
7 #include "base/allocator/type_profiler.h" | |
8 | |
9 #include <assert.h> | |
10 | |
11 namespace { | |
12 | |
13 void* NopIntercept(void* ptr, size_t size, const std::type_info& type) { | |
14 return ptr; | |
15 } | |
16 | |
17 base::type_profiler::InterceptFunction* g_new_intercept = NopIntercept; | |
18 base::type_profiler::InterceptFunction* g_delete_intercept = NopIntercept; | |
19 | |
20 } | |
21 | |
22 void* __op_new_intercept__(void* ptr, | |
23 size_t size, | |
24 const std::type_info& type) { | |
25 return g_new_intercept(ptr, size, type); | |
26 } | |
27 | |
28 void* __op_delete_intercept__(void* ptr, | |
29 size_t size, | |
30 const std::type_info& type) { | |
31 return g_delete_intercept(ptr, size, type); | |
32 } | |
33 | |
34 namespace base { | |
35 namespace type_profiler { | |
36 | |
37 // static | |
38 void InterceptFunctions::SetFunctions(InterceptFunction* new_intercept, | |
39 InterceptFunction* delete_intercept) { | |
40 // Don't use DCHECK, as this file is injected into targets | |
41 // that do not and should not depend on base/base.gyp:base | |
42 assert(g_new_intercept == NopIntercept); | |
43 assert(g_delete_intercept == NopIntercept); | |
44 | |
45 g_new_intercept = new_intercept; | |
46 g_delete_intercept = delete_intercept; | |
47 } | |
48 | |
49 // static | |
50 void InterceptFunctions::ResetFunctions() { | |
51 g_new_intercept = NopIntercept; | |
52 g_delete_intercept = NopIntercept; | |
53 } | |
54 | |
55 // static | |
56 bool InterceptFunctions::IsAvailable() { | |
57 return g_new_intercept != NopIntercept || g_delete_intercept != NopIntercept; | |
58 } | |
59 | |
60 } // namespace type_profiler | |
61 } // namespace base | |
62 | |
63 #endif // defined(TYPE_PROFILING) | |
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