1 /* Copyright (c) 2008, Google Inc.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
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
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15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
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.
31 * Author: Craig Silverstein
33 * C shims for the C++ malloc_hook.h. See malloc_hook.h for details
34 * on how to use these.
37 #ifndef _MALLOC_HOOK_C_H_
38 #define _MALLOC_HOOK_C_H_
41 #include <sys/types.h>
43 /* Annoying stuff for windows; makes sure clients can import these functions */
44 #ifndef PERFTOOLS_DLL_DECL
46 # define PERFTOOLS_DLL_DECL __declspec(dllimport)
48 # define PERFTOOLS_DLL_DECL
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
63 int MallocHook_GetCallerStackTrace(void** result, int max_depth,
66 /* The MallocHook_{Add,Remove}*Hook functions return 1 on success and 0 on
70 typedef void (*MallocHook_NewHook)(const void* ptr, size_t size);
72 int MallocHook_AddNewHook(MallocHook_NewHook hook);
74 int MallocHook_RemoveNewHook(MallocHook_NewHook hook);
76 typedef void (*MallocHook_DeleteHook)(const void* ptr);
78 int MallocHook_AddDeleteHook(MallocHook_DeleteHook hook);
80 int MallocHook_RemoveDeleteHook(MallocHook_DeleteHook hook);
82 typedef void (*MallocHook_PreMmapHook)(const void *start,
89 int MallocHook_AddPreMmapHook(MallocHook_PreMmapHook hook);
91 int MallocHook_RemovePreMmapHook(MallocHook_PreMmapHook hook);
93 typedef void (*MallocHook_MmapHook)(const void* result,
101 int MallocHook_AddMmapHook(MallocHook_MmapHook hook);
103 int MallocHook_RemoveMmapHook(MallocHook_MmapHook hook);
105 typedef int (*MallocHook_MmapReplacement)(const void* start,
112 int MallocHook_SetMmapReplacement(MallocHook_MmapReplacement hook);
113 int MallocHook_RemoveMmapReplacement(MallocHook_MmapReplacement hook);
115 typedef void (*MallocHook_MunmapHook)(const void* ptr, size_t size);
117 int MallocHook_AddMunmapHook(MallocHook_MunmapHook hook);
119 int MallocHook_RemoveMunmapHook(MallocHook_MunmapHook hook);
121 typedef int (*MallocHook_MunmapReplacement)(const void* ptr,
124 int MallocHook_SetMunmapReplacement(MallocHook_MunmapReplacement hook);
125 int MallocHook_RemoveMunmapReplacement(MallocHook_MunmapReplacement hook);
127 typedef void (*MallocHook_MremapHook)(const void* result,
128 const void* old_addr,
132 const void* new_addr);
134 int MallocHook_AddMremapHook(MallocHook_MremapHook hook);
136 int MallocHook_RemoveMremapHook(MallocHook_MremapHook hook);
138 typedef void (*MallocHook_PreSbrkHook)(ptrdiff_t increment);
140 int MallocHook_AddPreSbrkHook(MallocHook_PreSbrkHook hook);
142 int MallocHook_RemovePreSbrkHook(MallocHook_PreSbrkHook hook);
144 typedef void (*MallocHook_SbrkHook)(const void* result, ptrdiff_t increment);
146 int MallocHook_AddSbrkHook(MallocHook_SbrkHook hook);
148 int MallocHook_RemoveSbrkHook(MallocHook_SbrkHook hook);
150 /* The following are DEPRECATED. */
152 MallocHook_NewHook MallocHook_SetNewHook(MallocHook_NewHook hook);
154 MallocHook_DeleteHook MallocHook_SetDeleteHook(MallocHook_DeleteHook hook);
156 MallocHook_PreMmapHook MallocHook_SetPreMmapHook(MallocHook_PreMmapHook hook);
158 MallocHook_MmapHook MallocHook_SetMmapHook(MallocHook_MmapHook hook);
160 MallocHook_MunmapHook MallocHook_SetMunmapHook(MallocHook_MunmapHook hook);
162 MallocHook_MremapHook MallocHook_SetMremapHook(MallocHook_MremapHook hook);
164 MallocHook_PreSbrkHook MallocHook_SetPreSbrkHook(MallocHook_PreSbrkHook hook);
166 MallocHook_SbrkHook MallocHook_SetSbrkHook(MallocHook_SbrkHook hook);
167 /* End of DEPRECATED functions. */
173 #endif /* _MALLOC_HOOK_C_H_ */