forked from OSchip/llvm-project
59 lines
1.7 KiB
C++
59 lines
1.7 KiB
C++
//===-- asan_malloc_win.cc --------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file is a part of AddressSanitizer, an address sanity checker.
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//
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// Windows-specific malloc interception.
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//===----------------------------------------------------------------------===//
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#ifdef _WIN32
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#include "asan_allocator.h"
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#include "asan_interceptors.h"
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#include "asan_internal.h"
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#include "asan_stack.h"
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namespace __asan {
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void ReplaceSystemMalloc() {
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// FIXME: investigate whether any action is needed.
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// Currenlty, we fail to intercept malloc() called from intercepted _strdup().
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}
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} // namespace __asan
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// ---------------------- Replacement functions ---------------- {{{1
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using namespace __asan; // NOLINT
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// FIXME: Simply defining functions with the same signature in *.obj
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// files overrides the standard functions in *.lib
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// This works well for simple helloworld-like tests but might need to be
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// revisited in the future.
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extern "C" {
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void free(void *ptr) {
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GET_STACK_TRACE_HERE_FOR_FREE(ptr);
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return asan_free(ptr, &stack);
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}
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void *malloc(size_t size) {
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GET_STACK_TRACE_HERE_FOR_MALLOC;
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return asan_malloc(size, &stack);
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}
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void *calloc(size_t nmemb, size_t size) {
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GET_STACK_TRACE_HERE_FOR_MALLOC;
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return asan_calloc(nmemb, size, &stack);
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}
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void *realloc(void *ptr, size_t size) {
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GET_STACK_TRACE_HERE_FOR_MALLOC;
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return asan_realloc(ptr, size, &stack);
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}
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} // extern "C"
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#endif // _WIN32
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