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0bbade1c | 1 | /* x86-64-specific implementation of profiling support. |
d614a753 | 2 | Copyright (C) 2002-2020 Free Software Foundation, Inc. |
0bbade1c AJ |
3 | This file is part of the GNU C Library. |
4 | Contributed by Andreas Jaeger <aj@suse.de>, 2002. | |
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 | |
59ba27a6 | 17 | License along with the GNU C Library; if not, see |
5a82c748 | 18 | <https://www.gnu.org/licenses/>. */ |
0bbade1c AJ |
19 | |
20 | #include <sysdep.h> | |
21 | ||
22 | /* We need a special version of the `mcount' function since for x86-64 | |
23 | so that we do not use __builtin_return_address (N) and avoid | |
24 | clobbering of register. */ | |
25 | ||
26 | ||
27 | /* We must not pollute the global namespace. */ | |
28 | #define mcount_internal __mcount_internal | |
29 | ||
30 | void mcount_internal (u_long frompc, u_long selfpc); | |
31 | ||
32 | #define _MCOUNT_DECL(frompc, selfpc) \ | |
33 | void mcount_internal (u_long frompc, u_long selfpc) | |
34 | ||
35 | ||
36 | /* Define MCOUNT as empty since we have the implementation in another | |
37 | file. */ | |
38 | #define MCOUNT |