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6014c65d | 1 | /* Test program for profiling information collection (_mcount/gprof). |
04277e02 | 2 | Copyright (C) 2017-2019 Free Software Foundation, Inc. |
6014c65d FW |
3 | This file is part of the GNU C Library. |
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 | |
16 | License along with the GNU C Library; if not, see | |
17 | <http://www.gnu.org/licenses/>. */ | |
18 | ||
19 | /* This program does not use the test harness because we want tight | |
20 | control over the call graph. */ | |
21 | ||
22 | __attribute__ ((noinline, noclone, weak)) void | |
23 | f1 (void) | |
24 | { | |
25 | } | |
26 | ||
27 | __attribute__ ((noinline, noclone, weak)) void | |
28 | f2 (void) | |
29 | { | |
30 | f1 (); | |
31 | /* Prevent tail call. */ | |
32 | asm volatile (""); | |
33 | } | |
34 | ||
35 | __attribute__ ((noinline, noclone, weak)) void | |
36 | f3 (int count) | |
37 | { | |
38 | for (int i = 0; i < count; ++i) | |
39 | { | |
40 | f1 (); | |
41 | f2 (); | |
42 | } | |
43 | } | |
44 | ||
45 | int | |
46 | main (void) | |
47 | { | |
48 | f3 (1000); | |
49 | return 0; | |
50 | } |