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      1 /*
      2  * Copyright (C) 2015 The Android Open Source Project
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      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 copyright
     11  *    notice, this list of conditions and the following disclaimer in
     12  *    the documentation and/or other materials provided with the
     13  *    distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     16  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     17  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
     18  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
     19  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
     22  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
     25  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 #ifndef _PRIVATE_BIONIC_MALLOC_DISPATCH_H
     30 #define _PRIVATE_BIONIC_MALLOC_DISPATCH_H
     31 
     32 #include <stddef.h>
     33 #include <stdint.h>
     34 #include <stdio.h>
     35 #include <private/bionic_config.h>
     36 
     37 // Entry in malloc dispatch table.
     38 typedef void* (*MallocCalloc)(size_t, size_t);
     39 typedef void (*MallocFree)(void*);
     40 typedef struct mallinfo (*MallocMallinfo)();
     41 typedef void* (*MallocMalloc)(size_t);
     42 typedef int (*MallocMallocInfo)(int, FILE*);
     43 typedef size_t (*MallocMallocUsableSize)(const void*);
     44 typedef void* (*MallocMemalign)(size_t, size_t);
     45 typedef int (*MallocPosixMemalign)(void**, size_t, size_t);
     46 typedef void* (*MallocRealloc)(void*, size_t);
     47 typedef int (*MallocIterate)(uintptr_t, size_t, void (*)(uintptr_t, size_t, void*), void*);
     48 typedef void (*MallocMallocDisable)();
     49 typedef void (*MallocMallocEnable)();
     50 typedef int (*MallocMallopt)(int, int);
     51 typedef void* (*MallocAlignedAlloc)(size_t, size_t);
     52 
     53 #if defined(HAVE_DEPRECATED_MALLOC_FUNCS)
     54 typedef void* (*MallocPvalloc)(size_t);
     55 typedef void* (*MallocValloc)(size_t);
     56 #endif
     57 
     58 struct MallocDispatch {
     59   MallocCalloc calloc;
     60   MallocFree free;
     61   MallocMallinfo mallinfo;
     62   MallocMalloc malloc;
     63   MallocMallocUsableSize malloc_usable_size;
     64   MallocMemalign memalign;
     65   MallocPosixMemalign posix_memalign;
     66 #if defined(HAVE_DEPRECATED_MALLOC_FUNCS)
     67   MallocPvalloc pvalloc;
     68 #endif
     69   MallocRealloc realloc;
     70 #if defined(HAVE_DEPRECATED_MALLOC_FUNCS)
     71   MallocValloc valloc;
     72 #endif
     73   MallocIterate iterate;
     74   MallocMallocDisable malloc_disable;
     75   MallocMallocEnable malloc_enable;
     76   MallocMallopt mallopt;
     77   MallocAlignedAlloc aligned_alloc;
     78   MallocMallocInfo malloc_info;
     79 } __attribute__((aligned(32)));
     80 
     81 #endif
     82