glibc/dlfcn/dladdr.c

37 lines
1.3 KiB
C

/* Locate the shared object symbol nearest a given address.
Copyright (C) 1996-2022 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <dlfcn.h>
#include <ldsodefs.h>
#include <shlib-compat.h>
int
__dladdr (const void *address, Dl_info *info)
{
#ifdef SHARED
if (GLRO (dl_dlfcn_hook) != NULL)
return GLRO (dl_dlfcn_hook)->dladdr (address, info);
#endif
return _dl_addr (address, info, NULL, NULL);
}
versioned_symbol (libc, __dladdr, dladdr, GLIBC_2_34);
#if OTHER_SHLIB_COMPAT (libdl, GLIBC_2_0, GLIBC_2_34)
compat_symbol (libdl, __dladdr, dladdr, GLIBC_2_0);
#endif