libasan/interception/interception_linux.h

   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 // Linux-specific interception methods.
  11 //===----------------------------------------------------------------------===//
  12
  13 #ifdef __linux__
  14
  15 #if !defined(INCLUDED_FROM_INTERCEPTION_LIB)
  16 # error "interception_linux.h should be included from interception library only"
  17 #endif
  18
  19 #ifndef INTERCEPTION_LINUX_H
  20 #define INTERCEPTION_LINUX_H
  21
  22 namespace __interception {
  23 // returns true if a function with the given name was found.
  24 bool GetRealFunctionAddress(const char *func_name, uptr *func_addr,
  25     uptr real, uptr wrapper);
  26 }  // namespace __interception
  27
  28 #define INTERCEPT_FUNCTION_LINUX(func) \
  29     ::__interception::GetRealFunctionAddress( \
  30           #func, (::__interception::uptr*)&REAL(func), \
  31           (::__interception::uptr)&(func), \
  32           (::__interception::uptr)&WRAP(func))
  33
  34 #endif  // INTERCEPTION_LINUX_H
  35 #endif  // __linux__