1 // Copyright 2016 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 // Its purpose is to preempt the Libc symbols for malloc/new so they call the 6 // shim layer entry points. 7 8 #ifdef BASE_ALLOCATOR_ALLOCATOR_SHIM_OVERRIDE_LIBC_SYMBOLS_H_ 9 #error This header is meant to be included only once by allocator_shim.cc 10 #endif 11 #define BASE_ALLOCATOR_ALLOCATOR_SHIM_OVERRIDE_LIBC_SYMBOLS_H_ 12 13 #include <malloc.h> 14 15 #include "base/allocator/allocator_shim_internals.h" 16 17 extern "C" { 18 19 SHIM_ALWAYS_EXPORT void* malloc(size_t size) __THROW { 20 return ShimMalloc(size, nullptr); 21 } 22 23 SHIM_ALWAYS_EXPORT void free(void* ptr) __THROW { 24 ShimFree(ptr, nullptr); 25 } 26 27 SHIM_ALWAYS_EXPORT void* realloc(void* ptr, size_t size) __THROW { 28 return ShimRealloc(ptr, size, nullptr); 29 } 30 31 SHIM_ALWAYS_EXPORT void* calloc(size_t n, size_t size) __THROW { 32 return ShimCalloc(n, size, nullptr); 33 } 34 35 SHIM_ALWAYS_EXPORT void cfree(void* ptr) __THROW { 36 ShimFree(ptr, nullptr); 37 } 38 39 SHIM_ALWAYS_EXPORT void* memalign(size_t align, size_t s) __THROW { 40 return ShimMemalign(align, s, nullptr); 41 } 42 43 SHIM_ALWAYS_EXPORT void* valloc(size_t size) __THROW { 44 return ShimValloc(size, nullptr); 45 } 46 47 SHIM_ALWAYS_EXPORT void* pvalloc(size_t size) __THROW { 48 return ShimPvalloc(size); 49 } 50 51 SHIM_ALWAYS_EXPORT int posix_memalign(void** r, size_t a, size_t s) __THROW { 52 return ShimPosixMemalign(r, a, s); 53 } 54 55 // The default dispatch translation unit has to define also the following 56 // symbols (unless they are ultimately routed to the system symbols): 57 // void malloc_stats(void); 58 // int mallopt(int, int); 59 // struct mallinfo mallinfo(void); 60 // size_t malloc_size(void*); 61 // size_t malloc_usable_size(const void*); 62 63 } // extern "C" 64
