15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/* Copyright (c) 2008, Google Inc. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * All rights reserved. 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * Redistribution and use in source and binary forms, with or without 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * modification, are permitted provided that the following conditions are 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * met: 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * * Redistributions of source code must retain the above copyright 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * notice, this list of conditions and the following disclaimer. 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * * Redistributions in binary form must reproduce the above 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * copyright notice, this list of conditions and the following disclaimer 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * in the documentation and/or other materials provided with the 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * distribution. 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * * Neither the name of Google Inc. nor the names of its 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * contributors may be used to endorse or promote products derived from 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * this software without specific prior written permission. 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * -- 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * Author: Craig Silverstein 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * C shims for the C++ malloc_hook.h. See malloc_hook.h for details 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * on how to use these. 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) */ 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef _MALLOC_HOOK_C_H_ 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define _MALLOC_HOOK_C_H_ 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <stddef.h> 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <sys/types.h> 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/* Annoying stuff for windows; makes sure clients can import these functions */ 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef PERFTOOLS_DLL_DECL 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)# ifdef _WIN32 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)# define PERFTOOLS_DLL_DECL __declspec(dllimport) 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)# else 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)# define PERFTOOLS_DLL_DECL 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)# endif 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifdef __cplusplus 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)extern "C" { 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/* Get the current stack trace. Try to skip all routines up to and 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * and including the caller of MallocHook::Invoke*. 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * Use "skip_count" (similarly to GetStackTrace from stacktrace.h) 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * as a hint about how many routines to skip if better information 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * is not available. 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) */ 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int MallocHook_GetCallerStackTrace(void** result, int max_depth, 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int skip_count); 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/* The MallocHook_{Add,Remove}*Hook functions return 1 on success and 0 on 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * failure. 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) */ 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)typedef void (*MallocHook_NewHook)(const void* ptr, size_t size); 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int MallocHook_AddNewHook(MallocHook_NewHook hook); 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int MallocHook_RemoveNewHook(MallocHook_NewHook hook); 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)typedef void (*MallocHook_DeleteHook)(const void* ptr); 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int MallocHook_AddDeleteHook(MallocHook_DeleteHook hook); 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int MallocHook_RemoveDeleteHook(MallocHook_DeleteHook hook); 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)typedef void (*MallocHook_PreMmapHook)(const void *start, 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t size, 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int protection, 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int flags, 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int fd, 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) off_t offset); 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int MallocHook_AddPreMmapHook(MallocHook_PreMmapHook hook); 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int MallocHook_RemovePreMmapHook(MallocHook_PreMmapHook hook); 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)typedef void (*MallocHook_MmapHook)(const void* result, 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const void* start, 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t size, 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int protection, 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int flags, 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int fd, 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) off_t offset); 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int MallocHook_AddMmapHook(MallocHook_MmapHook hook); 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int MallocHook_RemoveMmapHook(MallocHook_MmapHook hook); 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)typedef int (*MallocHook_MmapReplacement)(const void* start, 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t size, 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int protection, 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int flags, 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int fd, 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) off_t offset, 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void** result); 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int MallocHook_SetMmapReplacement(MallocHook_MmapReplacement hook); 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int MallocHook_RemoveMmapReplacement(MallocHook_MmapReplacement hook); 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)typedef void (*MallocHook_MunmapHook)(const void* ptr, size_t size); 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int MallocHook_AddMunmapHook(MallocHook_MunmapHook hook); 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int MallocHook_RemoveMunmapHook(MallocHook_MunmapHook hook); 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)typedef int (*MallocHook_MunmapReplacement)(const void* ptr, 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t size, 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int* result); 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int MallocHook_SetMunmapReplacement(MallocHook_MunmapReplacement hook); 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int MallocHook_RemoveMunmapReplacement(MallocHook_MunmapReplacement hook); 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)typedef void (*MallocHook_MremapHook)(const void* result, 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const void* old_addr, 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t old_size, 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t new_size, 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int flags, 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const void* new_addr); 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int MallocHook_AddMremapHook(MallocHook_MremapHook hook); 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int MallocHook_RemoveMremapHook(MallocHook_MremapHook hook); 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)typedef void (*MallocHook_PreSbrkHook)(ptrdiff_t increment); 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int MallocHook_AddPreSbrkHook(MallocHook_PreSbrkHook hook); 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int MallocHook_RemovePreSbrkHook(MallocHook_PreSbrkHook hook); 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)typedef void (*MallocHook_SbrkHook)(const void* result, ptrdiff_t increment); 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int MallocHook_AddSbrkHook(MallocHook_SbrkHook hook); 1475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int MallocHook_RemoveSbrkHook(MallocHook_SbrkHook hook); 1495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/* The following are DEPRECATED. */ 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL 1525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)MallocHook_NewHook MallocHook_SetNewHook(MallocHook_NewHook hook); 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)MallocHook_DeleteHook MallocHook_SetDeleteHook(MallocHook_DeleteHook hook); 1555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL 1565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)MallocHook_PreMmapHook MallocHook_SetPreMmapHook(MallocHook_PreMmapHook hook); 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL 1585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)MallocHook_MmapHook MallocHook_SetMmapHook(MallocHook_MmapHook hook); 1595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)MallocHook_MunmapHook MallocHook_SetMunmapHook(MallocHook_MunmapHook hook); 1615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)MallocHook_MremapHook MallocHook_SetMremapHook(MallocHook_MremapHook hook); 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL 1645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)MallocHook_PreSbrkHook MallocHook_SetPreSbrkHook(MallocHook_PreSbrkHook hook); 1655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)MallocHook_SbrkHook MallocHook_SetSbrkHook(MallocHook_SbrkHook hook); 1675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/* End of DEPRECATED functions. */ 1685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifdef __cplusplus 1705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // extern "C" 1715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 1725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif /* _MALLOC_HOOK_C_H_ */ 174