| //===-- sanitizer_dl.cpp --------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file has helper functions that depend on libc's dynamic loading |
| // introspection. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "sanitizer_dl.h" |
| |
| #include "sanitizer_common/sanitizer_platform.h" |
| |
| #if SANITIZER_GLIBC |
| # include <dlfcn.h> |
| #endif |
| |
| namespace __sanitizer { |
| extern const char *SanitizerToolName; |
| |
| const char *DladdrSelfFName(void) { |
| #if SANITIZER_GLIBC |
| Dl_info info; |
| int ret = dladdr((void *)&SanitizerToolName, &info); |
| if (ret) { |
| return info.dli_fname; |
| } |
| #endif |
| |
| return nullptr; |
| } |
| |
| } // namespace __sanitizer |
