xref: /netbsd-src/external/gpl3/gdb/dist/gdb/testsuite/gdb.arch/powerpc-tar.c (revision 2a1c97808946e9207c01bcd7f0d669b8d9cc6ee9)
1 /* This testcase is part of GDB, the GNU debugger.
2 
3    Copyright (C) 2018-2024 Free Software Foundation, Inc.
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 int main (void)
19 {
20   void * target1 = &&target1_l;
21   void * target2 = &&target2_l;
22   asm volatile ("mtspr 815,%0" : : "r" (target1) : );
23 
24   /* Branch always to TAR.  */
25   asm volatile ("bctar 20,0,0"); // marker
26 
27  target2_l:
28   asm volatile ("nop"); // marker 2
29  target1_l:
30   asm volatile ("nop");
31 
32   return 0;
33 }
34