llvm-project/compiler-rt/lib/asan/interception/interception_linux.cc

29 lines
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C++

//===-- interception_linux.cc -----------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file is a part of AddressSanitizer, an address sanity checker.
//
// Linux-specific interception methods.
//===----------------------------------------------------------------------===//
#ifdef __linux__
#include <stddef.h> // for NULL
#include <dlfcn.h> // for dlsym
namespace __interception {
bool GetRealFunctionAddress(const char *func_name, void **func_addr) {
*func_addr = dlsym(RTLD_NEXT, func_name);
return (*func_addr != NULL);
}
} // namespace __interception
#endif // __linux__