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9dd789d0 PA |
1 | /* This testcase is part of GDB, the GNU debugger. |
2 | ||
3666a048 | 3 | Copyright 2008-2021 Free Software Foundation, Inc. |
9dd789d0 PA |
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 | |
47d48711 | 16 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
9dd789d0 PA |
17 | |
18 | #include <setjmp.h> | |
19 | ||
20 | jmp_buf env; | |
21 | ||
22 | volatile int longjmps = 0; | |
23 | volatile int resumes = 0; | |
24 | ||
25 | int | |
26 | call_longjmp (jmp_buf *buf) | |
27 | { | |
28 | longjmps++; | |
29 | longjmp (*buf, 1); | |
30 | } | |
31 | ||
32 | void | |
33 | hidden_longjmp (void) | |
34 | { | |
e81a37f7 | 35 | if (setjmp (env) == 0) |
9dd789d0 PA |
36 | { |
37 | call_longjmp (&env); | |
38 | } | |
39 | else | |
40 | resumes++; | |
41 | } | |
42 | ||
43 | int | |
44 | main () | |
45 | { | |
46 | volatile int i = 0; | |
47 | ||
48 | /* Pattern 1 - simple longjmp. */ | |
49 | if (setjmp (env) == 0) /* patt1 */ | |
50 | { | |
51 | longjmps++; | |
52 | longjmp (env, 1); | |
53 | } | |
54 | else | |
55 | { | |
56 | resumes++; | |
57 | } | |
58 | ||
59 | i = 1; /* miss_step_1 */ | |
60 | ||
61 | ||
62 | /* Pattern 2 - longjmp from an inner function. */ | |
63 | if (setjmp (env) == 0) /* patt2 */ | |
64 | { | |
65 | call_longjmp (&env); | |
66 | } | |
67 | else | |
68 | { | |
69 | resumes++; | |
70 | } | |
71 | ||
72 | i = 2; /* miss_step_2 */ | |
73 | ||
74 | /* Pattern 3 - setjmp/longjmp inside stepped-over function. */ | |
75 | hidden_longjmp (); /* patt3 */ | |
76 | ||
e81a37f7 TT |
77 | i = 77; /* longjmp caught */ |
78 | ||
9dd789d0 PA |
79 | i = 3; /* patt_end3. */ |
80 | ||
81 | return 0; | |
82 | } |