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1 | // icf_virtual_function_folding_test.cc -- a test case for gold |
2 | ||
82704155 | 3 | // Copyright (C) 2010-2019 Free Software Foundation, Inc. |
ce97fa81 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 | // Foo::fn1 is folded into fn2 with ICF. Since this file is linked as a | |
24 | // position independent executable, a dynamic reloc is needed | |
25 | // for the virtual call fn1 entry in the vtable. This test makes sure | |
26 | // the call to Foo::fn1 works correctly after the folding. | |
27 | ||
ce97fa81 ST |
28 | int fn2(void *) |
29 | { | |
ce97fa81 ST |
30 | return 0xA; |
31 | } | |
32 | ||
33 | namespace | |
34 | { | |
35 | ||
36 | class Bar | |
37 | { | |
38 | public: | |
e5e19edd | 39 | virtual ~Bar() { } |
ce97fa81 ST |
40 | virtual int fn1(); |
41 | }; | |
42 | ||
43 | int Bar::fn1() | |
44 | { | |
45 | return 123; | |
46 | } | |
47 | ||
48 | class Foo : public Bar | |
49 | { | |
50 | virtual int fn1(); | |
51 | }; | |
52 | ||
53 | int Foo::fn1() | |
54 | { | |
ce97fa81 ST |
55 | return 0xA; |
56 | } | |
57 | ||
58 | Bar* get() | |
59 | { | |
60 | Bar *f = new Foo(); | |
61 | return f; | |
62 | } | |
63 | ||
64 | } // end of anonymous namespace. | |
65 | ||
66 | int main() | |
67 | { | |
68 | Bar *f = get(); | |
69 | f->fn1(); | |
70 | return 0; | |
71 | } |