1 //===-- interception_linux.h ------------------------------------*- C++ -*-===// 2 // 3 // This file is distributed under the University of Illinois Open Source 4 // License. See LICENSE.TXT for details. 5 // 6 //===----------------------------------------------------------------------===// 7 // 8 // This file is a part of AddressSanitizer, an address sanity checker. 9 // 10 // Windows-specific interception methods. 11 //===----------------------------------------------------------------------===// 12 13 #ifdef _WIN32 14 15 #if !defined(INCLUDED_FROM_INTERCEPTION_LIB) 16 # error "interception_win.h should be included from interception library only" 17 #endif 18 19 #ifndef INTERCEPTION_WIN_H 20 #define INTERCEPTION_WIN_H 21 22 namespace __interception { 23 // All the functions in the OverrideFunction() family return true on success, 24 // false on failure (including "couldn't find the function"). 25 26 // Overrides a function by its address. 27 bool OverrideFunction(uptr old_func, uptr new_func, uptr *orig_old_func = 0); 28 29 // Overrides a function in a system DLL or DLL CRT by its exported name. 30 bool OverrideFunction(const char *name, uptr new_func, uptr *orig_old_func = 0); 31 } // namespace __interception 32 33 #if defined(INTERCEPTION_DYNAMIC_CRT) 34 #define INTERCEPT_FUNCTION_WIN(func) \ 35 ::__interception::OverrideFunction(#func, \ 36 (::__interception::uptr)WRAP(func), \ 37 (::__interception::uptr *)&REAL(func)) 38 #else 39 #define INTERCEPT_FUNCTION_WIN(func) \ 40 ::__interception::OverrideFunction((::__interception::uptr)func, \ 41 (::__interception::uptr)WRAP(func), \ 42 (::__interception::uptr *)&REAL(func)) 43 #endif 44 45 #define INTERCEPT_FUNCTION_VER_WIN(func, symver) INTERCEPT_FUNCTION_WIN(func) 46 47 #endif // INTERCEPTION_WIN_H 48 #endif // _WIN32 49