gcc/libsanitizer/interception/interception_linux.h
Kostya Serebryany df77f0e4ec libsanitizer merge from upstream r196090
From-SVN: r205695
2013-12-05 09:18:38 +00:00

46 lines
1.6 KiB
C++

//===-- interception_linux.h ------------------------------------*- C++ -*-===//
//
// 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__
#if !defined(INCLUDED_FROM_INTERCEPTION_LIB)
# error "interception_linux.h should be included from interception library only"
#endif
#ifndef INTERCEPTION_LINUX_H
#define INTERCEPTION_LINUX_H
namespace __interception {
// returns true if a function with the given name was found.
bool GetRealFunctionAddress(const char *func_name, uptr *func_addr,
uptr real, uptr wrapper);
void *GetFuncAddrVer(const char *func_name, const char *ver);
} // namespace __interception
#define INTERCEPT_FUNCTION_LINUX(func) \
::__interception::GetRealFunctionAddress( \
#func, (::__interception::uptr*)&REAL(func), \
(::__interception::uptr)&(func), \
(::__interception::uptr)&WRAP(func))
#if !defined(__ANDROID__) // android does not have dlvsym
# define INTERCEPT_FUNCTION_VER_LINUX(func, symver) \
::__interception::real_##func = (func##_f)(unsigned long) \
::__interception::GetFuncAddrVer(#func, symver)
#else
# define INTERCEPT_FUNCTION_VER_LINUX(func, symver) \
INTERCEPT_FUNCTION_LINUX(func)
#endif // !defined(__ANDROID__)
#endif // INTERCEPTION_LINUX_H
#endif // __linux__