xref: /netbsd-src/external/gpl3/gdb.old/dist/gdb/testsuite/gdb.btrace/tailcall.c (revision 6881a4007f077b54e5f51159c52b9b25f57deb0d)
1 /* This testcase is part of GDB, the GNU debugger.
2 
3    Copyright 2013-2023 Free Software Foundation, Inc.
4 
5    Contributed by Intel Corp. <markus.t.metzger@intel.com>
6 
7    This program is free software; you can redistribute it and/or modify
8    it under the terms of the GNU General Public License as published by
9    the Free Software Foundation; either version 3 of the License, or
10    (at your option) any later version.
11 
12    This program is distributed in the hope that it will be useful,
13    but WITHOUT ANY WARRANTY; without even the implied warranty of
14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15    GNU General Public License for more details.
16 
17    You should have received a copy of the GNU General Public License
18    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
19 
20 static __attribute__ ((noinline)) int
21 bar (void)
22 {
23   return 42;
24 }
25 
26 static __attribute__ ((noinline)) int
27 foo (void)
28 {
29   return bar ();
30 }
31 
32 int
33 main (void)
34 {
35   int answer;
36 
37   answer = foo ();
38   answer += 1;
39 
40   return answer;
41 }
42