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 #ifdef BASE_ALLOCATOR_ALLOCATOR_SHIM_OVERRIDE_LINKER_WRAPPED_SYMBOLS_H_ 6 #error This header is meant to be included only once by allocator_shim.cc 7 #endif 8 #define BASE_ALLOCATOR_ALLOCATOR_SHIM_OVERRIDE_LINKER_WRAPPED_SYMBOLS_H_ 9 10 // This header overrides the __wrap_X symbols when using the link-time 11 // -Wl,-wrap,malloc shim-layer approach (see README.md). 12 // All references to malloc, free, etc. within the linker unit that gets the 13 // -wrap linker flags (e.g., libchrome.so) will be rewritten to the 14 // linker as references to __wrap_malloc, __wrap_free, which are defined here. 15 16 #include "base/allocator/allocator_shim_internals.h" 17 18 extern "C" { 19 20 SHIM_ALWAYS_EXPORT void* __wrap_calloc(size_t n, size_t size) { 21 return ShimCalloc(n, size, nullptr); 22 } 23 24 SHIM_ALWAYS_EXPORT void __wrap_free(void* ptr) { 25 ShimFree(ptr, nullptr); 26 } 27 28 SHIM_ALWAYS_EXPORT void* __wrap_malloc(size_t size) { 29 return ShimMalloc(size, nullptr); 30 } 31 32 SHIM_ALWAYS_EXPORT void* __wrap_memalign(size_t align, size_t size) { 33 return ShimMemalign(align, size, nullptr); 34 } 35 36 SHIM_ALWAYS_EXPORT int __wrap_posix_memalign(void** res, 37 size_t align, 38 size_t size) { 39 return ShimPosixMemalign(res, align, size); 40 } 41 42 SHIM_ALWAYS_EXPORT void* __wrap_pvalloc(size_t size) { 43 return ShimPvalloc(size); 44 } 45 46 SHIM_ALWAYS_EXPORT void* __wrap_realloc(void* address, size_t size) { 47 return ShimRealloc(address, size, nullptr); 48 } 49 50 SHIM_ALWAYS_EXPORT void* __wrap_valloc(size_t size) { 51 return ShimValloc(size, nullptr); 52 } 53 54 } // extern "C" 55
