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d97842653f
There is no _dl_mcount_wrapper prototype in any installed header files. Fix BZ #31765 by changing _dl_mcount_wrapper to a compat symbol and obsolete it in glibc 2.40. Signed-off-by: H.J. Lu <hjl.tools@gmail.com> Reviewed-by: Sunil K Pandey <skpgkp2@gmail.com>
45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
/* Helper definitions for profiling of shared libraries.
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Copyright (C) 1998-2024 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <dlfcn.h>
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#include <elf.h>
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#include <ldsodefs.h>
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#include <shlib-compat.h>
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/* This is the map for the shared object we profile. It is defined here
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only because we test for this value being NULL or not. */
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#if SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_40)
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attribute_compat_text_section
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void
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_dl_mcount_wrapper (void *selfpc)
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{
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GLRO(dl_mcount) ((ElfW(Addr)) RETURN_ADDRESS (0), (ElfW(Addr)) selfpc);
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}
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compat_symbol (libc, _dl_mcount_wrapper, _dl_mcount_wrapper, GLIBC_2_1);
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#endif
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void
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_dl_mcount_wrapper_check (void *selfpc)
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{
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if (GL(dl_profile_map) != NULL)
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GLRO(dl_mcount) ((ElfW(Addr)) RETURN_ADDRESS (0), (ElfW(Addr)) selfpc);
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}
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libc_hidden_def (_dl_mcount_wrapper_check)
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