forked from OSchip/llvm-project
37 lines
1.1 KiB
C++
37 lines
1.1 KiB
C++
//===-- 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.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifdef __linux__
|
|
#include "interception.h"
|
|
|
|
#include <dlfcn.h> // for dlsym
|
|
|
|
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__
|