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 21 namespace __interception { 22 bool 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
