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//===-- interception_linux.cc -----------------------------------*- 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 defined(__linux__) || defined(__FreeBSD__)
#include "interception.h"
#include <dlfcn.h> // for dlsym() and dlvsym()
namespace __interception {
bool GetRealFunctionAddress(const char *func_name, uptr *func_addr,
uptr real, uptr wrapper) {
*func_addr = (uptr)dlsym(RTLD_NEXT, func_name);
return real == wrapper;
}
#if !defined(__ANDROID__) // android does not have dlvsym
void *GetFuncAddrVer(const char *func_name, const char *ver) {
return dlvsym(RTLD_NEXT, func_name, ver);
}
#endif // !defined(__ANDROID__)
} // namespace __interception
#endif // __linux__ || __FreeBSD__
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