xref: /netbsd-src/external/gpl3/gdb.old/dist/gdb/testsuite/gdb.arch/arm-cmse-sgstubs.c (revision 924795e69c8bb3f17afd8fcbb799710cc1719dc4)
1 /* This testcase is part of GDB, the GNU debugger.
2 
3    Copyright 2019-2020 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 #include <stdio.h>
19 extern void func ();
20 void
21 __acle_se_func ()
22 {
23   printf ("__acle_se_func\n");
24 }
25 
26 /* The following code is written using asm so that the instructions in function
27  * "func" will be placed in .gnu.sgstubs section of the executable.  */
28 asm ("\t.section .gnu.sgstubs,\"ax\",%progbits\n"
29      "\t.global func\n"
30      "\t.type func, %function\n"
31      "func:\n"
32      "\tnop @sg\n"
33      "\tb __acle_se_func @b.w");
34 
35 void
36 fun1 ()
37 {
38   printf ("In fun1\n");
39 }
40 
41 int
42 main (void)
43 {
44   func ();
45   fun1 ();
46   __acle_se_func ();
47   func ();
48 
49   return 0;
50 }
51