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1 /* Copyright (c) 2008, Google Inc. | |
2 * All rights reserved. | |
3 * | |
4 * Redistribution and use in source and binary forms, with or without | |
5 * modification, are permitted provided that the following conditions are | |
6 * met: | |
7 * | |
8 * * Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * * Redistributions in binary form must reproduce the above | |
11 * copyright notice, this list of conditions and the following disclaimer | |
12 * in the documentation and/or other materials provided with the | |
13 * distribution. | |
14 * * Neither the name of Google Inc. nor the names of its | |
15 * contributors may be used to endorse or promote products derived from | |
16 * this software without specific prior written permission. | |
17 * | |
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
29 * | |
30 * -- | |
31 * Author: Craig Silverstein | |
32 * | |
33 * C shims for the C++ malloc_hook.h. See malloc_hook.h for details | |
34 * on how to use these. | |
35 */ | |
36 | |
37 #ifndef _MALLOC_HOOK_C_H_ | |
38 #define _MALLOC_HOOK_C_H_ | |
39 | |
40 #include <stddef.h> | |
41 #include <sys/types.h> | |
42 | |
43 /* Annoying stuff for windows; makes sure clients can import these functions */ | |
44 #ifndef PERFTOOLS_DLL_DECL | |
45 # ifdef _WIN32 | |
46 # define PERFTOOLS_DLL_DECL __declspec(dllimport) | |
47 # else | |
48 # define PERFTOOLS_DLL_DECL | |
49 # endif | |
50 #endif | |
51 | |
52 #ifdef __cplusplus | |
53 extern "C" { | |
54 #endif | |
55 | |
56 /* Get the current stack trace. Try to skip all routines up to and | |
57 * and including the caller of MallocHook::Invoke*. | |
58 * Use "skip_count" (similarly to GetStackTrace from stacktrace.h) | |
59 * as a hint about how many routines to skip if better information | |
60 * is not available. | |
61 */ | |
62 PERFTOOLS_DLL_DECL | |
63 int MallocHook_GetCallerStackTrace(void** result, int max_depth, | |
64 int skip_count); | |
65 | |
66 /* The MallocHook_{Add,Remove}*Hook functions return 1 on success and 0 on | |
67 * failure. | |
68 */ | |
69 | |
70 typedef void (*MallocHook_NewHook)(const void* ptr, size_t size); | |
71 PERFTOOLS_DLL_DECL | |
72 int MallocHook_AddNewHook(MallocHook_NewHook hook); | |
73 PERFTOOLS_DLL_DECL | |
74 int MallocHook_RemoveNewHook(MallocHook_NewHook hook); | |
75 | |
76 typedef void (*MallocHook_DeleteHook)(const void* ptr); | |
77 PERFTOOLS_DLL_DECL | |
78 int MallocHook_AddDeleteHook(MallocHook_DeleteHook hook); | |
79 PERFTOOLS_DLL_DECL | |
80 int MallocHook_RemoveDeleteHook(MallocHook_DeleteHook hook); | |
81 | |
82 typedef void (*MallocHook_PreMmapHook)(const void *start, | |
83 size_t size, | |
84 int protection, | |
85 int flags, | |
86 int fd, | |
87 off_t offset); | |
88 PERFTOOLS_DLL_DECL | |
89 int MallocHook_AddPreMmapHook(MallocHook_PreMmapHook hook); | |
90 PERFTOOLS_DLL_DECL | |
91 int MallocHook_RemovePreMmapHook(MallocHook_PreMmapHook hook); | |
92 | |
93 typedef void (*MallocHook_MmapHook)(const void* result, | |
94 const void* start, | |
95 size_t size, | |
96 int protection, | |
97 int flags, | |
98 int fd, | |
99 off_t offset); | |
100 PERFTOOLS_DLL_DECL | |
101 int MallocHook_AddMmapHook(MallocHook_MmapHook hook); | |
102 PERFTOOLS_DLL_DECL | |
103 int MallocHook_RemoveMmapHook(MallocHook_MmapHook hook); | |
104 | |
105 typedef int (*MallocHook_MmapReplacement)(const void* start, | |
106 size_t size, | |
107 int protection, | |
108 int flags, | |
109 int fd, | |
110 off_t offset, | |
111 void** result); | |
112 int MallocHook_SetMmapReplacement(MallocHook_MmapReplacement hook); | |
113 int MallocHook_RemoveMmapReplacement(MallocHook_MmapReplacement hook); | |
114 | |
115 typedef void (*MallocHook_MunmapHook)(const void* ptr, size_t size); | |
116 PERFTOOLS_DLL_DECL | |
117 int MallocHook_AddMunmapHook(MallocHook_MunmapHook hook); | |
118 PERFTOOLS_DLL_DECL | |
119 int MallocHook_RemoveMunmapHook(MallocHook_MunmapHook hook); | |
120 | |
121 typedef int (*MallocHook_MunmapReplacement)(const void* ptr, | |
122 size_t size, | |
123 int* result); | |
124 int MallocHook_SetMunmapReplacement(MallocHook_MunmapReplacement hook); | |
125 int MallocHook_RemoveMunmapReplacement(MallocHook_MunmapReplacement hook); | |
126 | |
127 typedef void (*MallocHook_MremapHook)(const void* result, | |
128 const void* old_addr, | |
129 size_t old_size, | |
130 size_t new_size, | |
131 int flags, | |
132 const void* new_addr); | |
133 PERFTOOLS_DLL_DECL | |
134 int MallocHook_AddMremapHook(MallocHook_MremapHook hook); | |
135 PERFTOOLS_DLL_DECL | |
136 int MallocHook_RemoveMremapHook(MallocHook_MremapHook hook); | |
137 | |
138 typedef void (*MallocHook_PreSbrkHook)(std::ptrdiff_t increment); | |
139 PERFTOOLS_DLL_DECL | |
140 int MallocHook_AddPreSbrkHook(MallocHook_PreSbrkHook hook); | |
141 PERFTOOLS_DLL_DECL | |
142 int MallocHook_RemovePreSbrkHook(MallocHook_PreSbrkHook hook); | |
143 | |
144 typedef void (*MallocHook_SbrkHook)(const void* result, std::ptrdiff_t increment
); | |
145 PERFTOOLS_DLL_DECL | |
146 int MallocHook_AddSbrkHook(MallocHook_SbrkHook hook); | |
147 PERFTOOLS_DLL_DECL | |
148 int MallocHook_RemoveSbrkHook(MallocHook_SbrkHook hook); | |
149 | |
150 /* The following are DEPRECATED. */ | |
151 PERFTOOLS_DLL_DECL | |
152 MallocHook_NewHook MallocHook_SetNewHook(MallocHook_NewHook hook); | |
153 PERFTOOLS_DLL_DECL | |
154 MallocHook_DeleteHook MallocHook_SetDeleteHook(MallocHook_DeleteHook hook); | |
155 PERFTOOLS_DLL_DECL | |
156 MallocHook_PreMmapHook MallocHook_SetPreMmapHook(MallocHook_PreMmapHook hook); | |
157 PERFTOOLS_DLL_DECL | |
158 MallocHook_MmapHook MallocHook_SetMmapHook(MallocHook_MmapHook hook); | |
159 PERFTOOLS_DLL_DECL | |
160 MallocHook_MunmapHook MallocHook_SetMunmapHook(MallocHook_MunmapHook hook); | |
161 PERFTOOLS_DLL_DECL | |
162 MallocHook_MremapHook MallocHook_SetMremapHook(MallocHook_MremapHook hook); | |
163 PERFTOOLS_DLL_DECL | |
164 MallocHook_PreSbrkHook MallocHook_SetPreSbrkHook(MallocHook_PreSbrkHook hook); | |
165 PERFTOOLS_DLL_DECL | |
166 MallocHook_SbrkHook MallocHook_SetSbrkHook(MallocHook_SbrkHook hook); | |
167 /* End of DEPRECATED functions. */ | |
168 | |
169 #ifdef __cplusplus | |
170 } // extern "C" | |
171 #endif | |
172 | |
173 #endif /* _MALLOC_HOOK_C_H_ */ | |
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