1/* This testcase is part of GDB, the GNU debugger.
2
3   Copyright 2008-2020 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 <stdlib.h>
19#include <string.h>
20
21/* Test various kinds of stepping.
22*/
23int myglob = 0;
24
25int callee() {		/* ENTER CALLEE */
26  return myglob++;	/* ARRIVED IN CALLEE */
27}			/* RETURN FROM CALLEE */
28
29/* A structure which, we hope, will need to be passed using memcpy.  */
30struct rhomboidal {
31  int rather_large[100];
32};
33
34void
35large_struct_by_value (struct rhomboidal r)
36{
37  myglob += r.rather_large[42]; /* step-test.exp: arrive here 1 */
38}
39
40int main () {
41   int w,x,y,z;
42   int a[10], b[10];
43
44   /* Test "next" and "step" */
45   w = 0;	/* BREAK AT MAIN */
46   x = 1;	/* NEXT TEST 1 */
47   y = 2;	/* STEP TEST 1 */
48   z = 3;	/* REVERSE NEXT TEST 1 */
49   w = w + 2;	/* NEXT TEST 2 */
50   x = x + 3;	/* REVERSE STEP TEST 1 */
51   y = y + 4;
52   z = z + 5;	/* STEP TEST 2 */
53
54   /* Test that "next" goes over a call */
55   callee();	/* NEXT OVER THIS CALL */
56
57   /* Test that "step" doesn't */
58   callee();	/* STEP INTO THIS CALL */
59
60   /* Test "stepi" */
61   a[5] = a[3] - a[4]; /* FINISH TEST */
62   callee();	/* STEPI TEST */
63
64   /* Test "nexti" */
65   callee();	/* NEXTI TEST */
66
67   y = w + z;
68
69   {
70     struct rhomboidal r;
71     memset (r.rather_large, 0, sizeof (r.rather_large));
72     r.rather_large[42] = 10;
73     large_struct_by_value (r);  /* step-test.exp: large struct by value */
74   }
75
76   exit (0); /* end of main */
77}
78
79