85 lines
2.2 KiB
C++
85 lines
2.2 KiB
C++
//===-- scudo_malloc.cpp ----------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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///
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/// Interceptors for malloc related functions.
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///
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//===----------------------------------------------------------------------===//
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#include "scudo_allocator.h"
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#include "interception/interception.h"
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#include "sanitizer_common/sanitizer_platform_interceptors.h"
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#include <stddef.h>
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using namespace __scudo;
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extern "C" {
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INTERCEPTOR_ATTRIBUTE void free(void *ptr) {
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scudoDeallocate(ptr, 0, 0, FromMalloc);
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}
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INTERCEPTOR_ATTRIBUTE void *malloc(size_t size) {
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return scudoAllocate(size, 0, FromMalloc);
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}
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INTERCEPTOR_ATTRIBUTE void *realloc(void *ptr, size_t size) {
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return scudoRealloc(ptr, size);
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}
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INTERCEPTOR_ATTRIBUTE void *calloc(size_t nmemb, size_t size) {
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return scudoCalloc(nmemb, size);
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}
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INTERCEPTOR_ATTRIBUTE void *valloc(size_t size) {
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return scudoValloc(size);
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}
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INTERCEPTOR_ATTRIBUTE
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int posix_memalign(void **memptr, size_t alignment, size_t size) {
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return scudoPosixMemalign(memptr, alignment, size);
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}
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#if SANITIZER_INTERCEPT_CFREE
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INTERCEPTOR_ATTRIBUTE void cfree(void *ptr) ALIAS("free");
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#endif
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#if SANITIZER_INTERCEPT_MEMALIGN
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INTERCEPTOR_ATTRIBUTE void *memalign(size_t alignment, size_t size) {
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return scudoAllocate(size, alignment, FromMemalign);
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}
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INTERCEPTOR_ATTRIBUTE
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void *__libc_memalign(size_t alignment, size_t size) ALIAS("memalign");
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#endif
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#if SANITIZER_INTERCEPT_PVALLOC
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INTERCEPTOR_ATTRIBUTE void *pvalloc(size_t size) {
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return scudoPvalloc(size);
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}
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#endif
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#if SANITIZER_INTERCEPT_ALIGNED_ALLOC
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INTERCEPTOR_ATTRIBUTE void *aligned_alloc(size_t alignment, size_t size) {
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return scudoAlignedAlloc(alignment, size);
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}
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#endif
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#if SANITIZER_INTERCEPT_MALLOC_USABLE_SIZE
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INTERCEPTOR_ATTRIBUTE size_t malloc_usable_size(void *ptr) {
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return scudoMallocUsableSize(ptr);
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}
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#endif
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#if SANITIZER_INTERCEPT_MALLOPT_AND_MALLINFO
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INTERCEPTOR_ATTRIBUTE int mallopt(int cmd, int value) {
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return 0;
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}
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#endif
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} // extern "C"
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