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e4620230 JK |
1 | /* This testcase is part of GDB, the GNU debugger. |
2 | ||
b811d2c2 | 3 | Copyright 2009-2020 Free Software Foundation, Inc. |
e4620230 JK |
4 | |
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 3 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program 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 | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
17 | ||
18 | #include <assert.h> | |
19 | ||
20 | int | |
21 | init_stub (int arg) | |
22 | { | |
23 | return 0; | |
24 | } | |
25 | ||
e4620230 JK |
26 | /* Make differentiation of how the gnu_ifunc call resolves before and after |
27 | calling gnu_ifunc_pre. This ensures the resolved function address is not | |
28 | being cached anywhere for the debugging purposes. */ | |
29 | ||
30 | volatile int gnu_ifunc_initialized; | |
31 | ||
e1b2624a AA |
32 | /* This stores the argument received by the ifunc resolver. */ |
33 | ||
34 | volatile unsigned long resolver_hwcap = -1; | |
35 | ||
e4620230 JK |
36 | static void |
37 | gnu_ifunc_pre (void) | |
38 | { | |
39 | assert (!gnu_ifunc_initialized); | |
40 | ||
41 | gnu_ifunc_initialized = 1; | |
42 | } | |
43 | ||
44 | extern int gnu_ifunc (int arg); | |
45 | ||
46 | int | |
47 | main (void) | |
48 | { | |
49 | int i; | |
50 | ||
51 | gnu_ifunc_pre (); | |
52 | ||
53 | i = gnu_ifunc (1); /* break-at-call */ | |
54 | assert (i == 2); | |
55 | ||
56 | gnu_ifunc (2); /* break-at-nextcall */ | |
57 | ||
58 | return 0; /* break-at-exit */ | |
59 | } |