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1998-06-18 16:40 Ulrich Drepper <drepper@cygnus.com> * libc.map: Add _dl_profile_map, _dl_profile_output, _dl_start_profile, _dl_mcount, _dl_mcount_wrapper. * elf/Makefile (routines): Add dl-profstub. * elf/dl-profstub.c: New file. * elf/dl-support.c: Don't define _dl_profile_map. * elf/rtld.c: Likewise. * elf/dlfcn.h: Define DL_CALL_FCT macro. * elf/ldsodefs.h: Declare _dl_profile_output, _dl_mcount_wrapper. Define _CALL_DL_FCT. * iconv/gconv.c: Use _CALL_DL_FCT to call function from dynamically loaded object. * iconv/gconv_db.c: Likewise. * iconv/skeleton.c: Likewise. * nss/getXXbyYY_r.c: Likewise. * nss/getXXent_r.c: Likewise. * nss/nsswitch.c: Likewise.
44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
/* Helper definitions for profiling of shared libraries.
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Copyright (C) 1998 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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <dlfcn.h>
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#include <elf.h>
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#include <elf/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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struct link_map *_dl_profile_map;
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void
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_dl_mcount_wrapper (ElfW(Addr) selfpc)
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{
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_dl_mcount ((ElfW(Addr)) __builtin_return_address (0), 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 (_dl_profile_map != NULL)
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_dl_mcount ((ElfW(Addr)) __builtin_return_address (0),
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(ElfW(Addr)) selfpc);
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}
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