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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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