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/* Helper definitions for profiling of shared libraries.
Copyright (C) 1998-2024 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 <elf.h>
#include <ldsodefs.h>
#include <shlib-compat.h>
/* This is the map for the shared object we profile. It is defined here
only because we test for this value being NULL or not. */
#if SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_40)
attribute_compat_text_section
void
_dl_mcount_wrapper (void *selfpc)
{
GLRO(dl_mcount) ((ElfW(Addr)) RETURN_ADDRESS (0), (ElfW(Addr)) selfpc);
}
compat_symbol (libc, _dl_mcount_wrapper, _dl_mcount_wrapper, GLIBC_2_1);
#endif
void
_dl_mcount_wrapper_check (void *selfpc)
{
if (GL(dl_profile_map) != NULL)
GLRO(dl_mcount) ((ElfW(Addr)) RETURN_ADDRESS (0), (ElfW(Addr)) selfpc);
}
libc_hidden_def (_dl_mcount_wrapper_check)
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