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1 | // icf_safe_so_test.cc -- a test case for gold |
2 | ||
82704155 | 3 | // Copyright (C) 2010-2019 Free Software Foundation, Inc. |
21bb3914 ST |
4 | // Written by Sriraman Tallam <tmsriram@google.com>. |
5 | ||
6 | // This file is part of gold. | |
7 | ||
8 | // This program is free software; you can redistribute it and/or modify | |
9 | // it under the terms of the GNU General Public License as published by | |
10 | // the Free Software Foundation; either version 3 of the License, or | |
11 | // (at your option) any later version. | |
12 | ||
13 | // This program is distributed in the hope that it will be useful, | |
14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | // GNU General Public License for more details. | |
17 | ||
18 | // You should have received a copy of the GNU General Public License | |
19 | // along with this program; if not, write to the Free Software | |
20 | // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
21 | // MA 02110-1301, USA. | |
22 | ||
23 | // The goal of this program is to verify if identical code folding | |
24 | // in safe mode correctly folds functions in a shared object. The | |
9726c3c1 HS |
25 | // foo_* functions below should not be folded on X86_64. |
26 | // For 32-bit X86, the hidden protected and internal symbols can be folded. | |
27 | // foo_glob and bar_glob should not be folded, because function pointer | |
28 | // of foo_glob is taken. | |
21bb3914 ST |
29 | |
30 | int __attribute__ ((visibility ("protected"))) | |
31 | foo_prot() | |
32 | { | |
33 | return 1; | |
34 | } | |
35 | ||
36 | int __attribute__ ((visibility ("hidden"))) | |
37 | foo_hidden() | |
38 | { | |
39 | return 1; | |
40 | } | |
41 | ||
42 | int __attribute__ ((visibility ("internal"))) | |
43 | foo_internal() | |
44 | { | |
45 | return 1; | |
46 | } | |
47 | ||
48 | static int | |
49 | foo_static() | |
50 | { | |
51 | return 1; | |
52 | } | |
53 | ||
54 | int foo_glob() | |
55 | { | |
56 | return 2; | |
57 | } | |
58 | ||
59 | int bar_glob() | |
60 | { | |
61 | return 2; | |
62 | } | |
63 | ||
64 | int main() | |
65 | { | |
66 | int (*p)() = foo_glob; | |
67 | (void)p; | |
68 | foo_static(); | |
69 | foo_prot(); | |
70 | foo_hidden(); | |
71 | foo_internal(); | |
72 | return 0; | |
73 | } | |
74 |