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
__wrap_calloc(size_t n,size_t size)20 SHIM_ALWAYS_EXPORT void* __wrap_calloc(size_t n, size_t size) {
21 return ShimCalloc(n, size, nullptr);
22 }
23
__wrap_free(void * ptr)24 SHIM_ALWAYS_EXPORT void __wrap_free(void* ptr) {
25 ShimFree(ptr, nullptr);
26 }
27
__wrap_malloc(size_t size)28 SHIM_ALWAYS_EXPORT void* __wrap_malloc(size_t size) {
29 return ShimMalloc(size, nullptr);
30 }
31
__wrap_memalign(size_t align,size_t size)32 SHIM_ALWAYS_EXPORT void* __wrap_memalign(size_t align, size_t size) {
33 return ShimMemalign(align, size, nullptr);
34 }
35
__wrap_posix_memalign(void ** res,size_t align,size_t size)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
__wrap_pvalloc(size_t size)42 SHIM_ALWAYS_EXPORT void* __wrap_pvalloc(size_t size) {
43 return ShimPvalloc(size);
44 }
45
__wrap_realloc(void * address,size_t size)46 SHIM_ALWAYS_EXPORT void* __wrap_realloc(void* address, size_t size) {
47 return ShimRealloc(address, size, nullptr);
48 }
49
__wrap_valloc(size_t size)50 SHIM_ALWAYS_EXPORT void* __wrap_valloc(size_t size) {
51 return ShimValloc(size, nullptr);
52 }
53
54 } // extern "C"
55