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42 lines
1.4 KiB
C
42 lines
1.4 KiB
C
/* Helper definitions for profiling of shared libraries.
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Copyright (C) 1998-2019 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
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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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<http://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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/* 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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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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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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