1//===-- interception_linux.cc -----------------------------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file is a part of AddressSanitizer, an address sanity checker.
11//
12// Linux-specific interception methods.
13//===----------------------------------------------------------------------===//
14
15#ifdef __linux__
16#include "interception.h"
17
18#include <stddef.h>  // for NULL
19#include <dlfcn.h>   // for dlsym
20
21namespace __interception {
22bool GetRealFunctionAddress(const char *func_name, uptr *func_addr,
23    uptr real, uptr wrapper) {
24  *func_addr = (uptr)dlsym(RTLD_NEXT, func_name);
25  return real == wrapper;
26}
27}  // namespace __interception
28
29
30#endif  // __linux__
31