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28d41a99 MS |
1 | /* This testcase is part of GDB, the GNU debugger. |
2 | ||
e2882c85 | 3 | Copyright 2008-2018 Free Software Foundation, Inc. |
28d41a99 MS |
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 | */ | |
23 | int myglob = 0; | |
24 | ||
25 | int callee() { /* ENTER CALLEE */ | |
26 | myglob++; return 0; /* ARRIVED IN CALLEE */ | |
27 | } /* RETURN FROM CALLEE */ | |
28 | ||
29 | /* A structure which, we hope, will need to be passed using memcpy. */ | |
30 | struct rhomboidal { | |
31 | int rather_large[100]; | |
32 | }; | |
33 | ||
34 | void | |
35 | large_struct_by_value (struct rhomboidal r) | |
36 | { | |
37 | myglob += r.rather_large[42]; /* step-test.exp: arrive here 1 */ | |
38 | } | |
39 | ||
40 | int 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 | ||
33b9c32b | 76 | exit (0); /* end of main */ |
28d41a99 MS |
77 | } |
78 |