| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* Helper definitions for profiling of shared libraries. |
| 2 | Copyright (C) 1998-2015 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. |
| 5 | |
| 6 | The GNU C Library is free software; you can redistribute it and/or |
| 7 | modify it under the terms of the GNU Lesser General Public |
| 8 | License as published by the Free Software Foundation; either |
| 9 | version 2.1 of the License, or (at your option) any later version. |
| 10 | |
| 11 | The GNU C Library is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | Lesser General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU Lesser General Public |
| 17 | License along with the GNU C Library; if not, see |
| 18 | <http://www.gnu.org/licenses/>. */ |
| 19 | |
| 20 | #include <dlfcn.h> |
| 21 | #include <elf.h> |
| 22 | #include <ldsodefs.h> |
| 23 | |
| 24 | /* This is the map for the shared object we profile. It is defined here |
| 25 | only because we test for this value being NULL or not. */ |
| 26 | |
| 27 | |
| 28 | void |
| 29 | _dl_mcount_wrapper (void *selfpc) |
| 30 | { |
| 31 | GLRO(dl_mcount) ((ElfW(Addr)) RETURN_ADDRESS (0), (ElfW(Addr)) selfpc); |
| 32 | } |
| 33 | |
| 34 | |
| 35 | void |
| 36 | _dl_mcount_wrapper_check (void *selfpc) |
| 37 | { |
| 38 | if (GL(dl_profile_map) != NULL) |
| 39 | GLRO(dl_mcount) ((ElfW(Addr)) RETURN_ADDRESS (0), (ElfW(Addr)) selfpc); |
| 40 | } |
| 41 | libc_hidden_def (_dl_mcount_wrapper_check) |