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//===-- 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
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