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0bbade1c | 1 | /* x86-64-specific implementation of profiling support. |
2b778ceb | 2 | Copyright (C) 2002-2021 Free Software Foundation, Inc. |
0bbade1c | 3 | This file is part of the GNU C Library. |
0bbade1c AJ |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
0bbade1c AJ |
18 | |
19 | #include <sysdep.h> | |
20 | ||
21 | /* We need a special version of the `mcount' function since for x86-64 | |
22 | so that we do not use __builtin_return_address (N) and avoid | |
23 | clobbering of register. */ | |
24 | ||
25 | ||
26 | /* We must not pollute the global namespace. */ | |
27 | #define mcount_internal __mcount_internal | |
28 | ||
29 | void mcount_internal (u_long frompc, u_long selfpc); | |
30 | ||
31 | #define _MCOUNT_DECL(frompc, selfpc) \ | |
32 | void mcount_internal (u_long frompc, u_long selfpc) | |
33 | ||
34 | ||
35 | /* Define MCOUNT as empty since we have the implementation in another | |
36 | file. */ | |
37 | #define MCOUNT |