| //===-- interception_linux.h ------------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // 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. |
| //===----------------------------------------------------------------------===// |
| |
| #if SANITIZER_LINUX || SANITIZER_FREEBSD || SANITIZER_NETBSD || \ |
| SANITIZER_OPENBSD || SANITIZER_SOLARIS |
| |
| #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_OR_FREEBSD(func) \ |
| ::__interception::GetRealFunctionAddress( \ |
| #func, (::__interception::uptr *)&__interception::PTR_TO_REAL(func), \ |
| (::__interception::uptr) & (func), \ |
| (::__interception::uptr) & WRAP(func)) |
| |
| // Android, Solaris and OpenBSD do not have dlvsym |
| #if !SANITIZER_ANDROID && !SANITIZER_SOLARIS && !SANITIZER_OPENBSD |
| #define INTERCEPT_FUNCTION_VER_LINUX_OR_FREEBSD(func, symver) \ |
| (::__interception::real_##func = (func##_f)( \ |
| unsigned long)::__interception::GetFuncAddrVer(#func, symver)) |
| #else |
| #define INTERCEPT_FUNCTION_VER_LINUX_OR_FREEBSD(func, symver) \ |
| INTERCEPT_FUNCTION_LINUX_OR_FREEBSD(func) |
| #endif // !SANITIZER_ANDROID && !SANITIZER_SOLARIS |
| |
| #endif // INTERCEPTION_LINUX_H |
| #endif // SANITIZER_LINUX || SANITIZER_FREEBSD || SANITIZER_NETBSD || |
| // SANITIZER_OPENBSD || SANITIZER_SOLARIS |
