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9b254dd1 | 1 | /* Copyright 1994, 1995, 1999, 2002, 2003, 2004, 2007, 2008 |
6aba47ca | 2 | Free Software Foundation, Inc. |
1f8a6abb EZ |
3 | |
4 | This program is free software; you can redistribute it and/or modify | |
5 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 6 | the Free Software Foundation; either version 3 of the License, or |
1f8a6abb | 7 | (at your option) any later version. |
a9762ec7 | 8 | |
1f8a6abb EZ |
9 | This program is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | GNU General Public License for more details. | |
a9762ec7 | 13 | |
1f8a6abb | 14 | You should have received a copy of the GNU General Public License |
a9762ec7 | 15 | along with this program. If not, see <http://www.gnu.org/licenses/>. |
1f8a6abb EZ |
16 | |
17 | Please email any bugs, comments, and/or additions to this file to: | |
18 | bug-gdb@prep.ai.mit.edu */ | |
19 | ||
20 | #ifdef vxworks | |
21 | ||
22 | # include <stdio.h> | |
23 | ||
24 | /* VxWorks does not supply atoi. */ | |
25 | static int | |
26 | atoi (z) | |
27 | char *z; | |
28 | { | |
29 | int i = 0; | |
30 | ||
31 | while (*z >= '0' && *z <= '9') | |
32 | i = i * 10 + (*z++ - '0'); | |
33 | return i; | |
34 | } | |
35 | ||
36 | /* I don't know of any way to pass an array to VxWorks. This function | |
37 | can be called directly from gdb. */ | |
38 | ||
39 | vxmain (arg) | |
40 | char *arg; | |
41 | { | |
42 | char *argv[2]; | |
43 | ||
44 | argv[0] = ""; | |
45 | argv[1] = arg; | |
46 | main (2, argv, (char **) 0); | |
47 | } | |
48 | ||
49 | #else /* ! vxworks */ | |
50 | # include <stdio.h> | |
51 | # include <stdlib.h> | |
52 | #endif /* ! vxworks */ | |
53 | ||
54 | /* | |
55 | * The following functions do nothing useful. They are included simply | |
56 | * as places to try setting breakpoints at. They are explicitly | |
57 | * "one-line functions" to verify that this case works (some versions | |
58 | * of gcc have or have had problems with this). | |
59 | */ | |
60 | ||
61 | #ifdef PROTOTYPES | |
62 | int marker1 (void) { return (0); } | |
63 | int marker2 (int a) { return (1); } /* set breakpoint 8 here */ | |
64 | void marker3 (char *a, char *b) {} | |
65 | void marker4 (long d) {} /* set breakpoint 14 here */ | |
66 | #else | |
67 | int marker1 () { return (0); } | |
68 | int marker2 (a) int a; { return (1); } /* set breakpoint 9 here */ | |
69 | void marker3 (a, b) char *a, *b; {} | |
70 | void marker4 (d) long d; {} /* set breakpoint 13 here */ | |
71 | #endif | |
72 | ||
73 | /* | |
74 | * This simple classical example of recursion is useful for | |
75 | * testing stack backtraces and such. | |
76 | */ | |
77 | ||
78 | #ifdef PROTOTYPES | |
79 | int factorial(int); | |
80 | ||
81 | int | |
82 | main (int argc, char **argv, char **envp) | |
83 | #else | |
84 | int | |
85 | main (argc, argv, envp) | |
86 | int argc; | |
87 | char *argv[], **envp; | |
88 | #endif | |
89 | { | |
90 | #ifdef usestubs | |
91 | set_debug_traps(); /* set breakpoint 5 here */ | |
92 | breakpoint(); | |
93 | #endif | |
94 | if (argc == 12345) { /* an unlikely value < 2^16, in case uninited */ /* set breakpoint 6 here */ | |
95 | fprintf (stderr, "usage: factorial <number>\n"); | |
96 | return 1; | |
97 | } | |
98 | printf ("%d\n", factorial (atoi ("6"))); /* set breakpoint 1 here */ | |
99 | /* set breakpoint 12 here */ | |
100 | marker1 (); /* set breakpoint 11 here */ | |
101 | marker2 (43); | |
102 | marker3 ("stack", "trace"); | |
103 | marker4 (177601976L); | |
104 | argc = (argc == 12345); /* This is silly, but we can step off of it */ /* set breakpoint 2 here */ | |
105 | return argc; /* set breakpoint 10 here */ | |
106 | } | |
107 | ||
108 | #ifdef PROTOTYPES | |
109 | int factorial (int value) | |
110 | #else | |
111 | int factorial (value) | |
112 | int value; | |
113 | #endif | |
114 | { | |
115 | if (value > 1) { /* set breakpoint 7 here */ | |
116 | value *= factorial (value - 1); | |
117 | } | |
118 | return (value); | |
119 | } | |
120 | ||
121 | #ifdef PROTOTYPES | |
122 | int multi_line_if_conditional (int a, int b, int c) | |
123 | #else | |
124 | int multi_line_if_conditional (a, b, c) | |
125 | int a, b, c; | |
126 | #endif | |
127 | { | |
128 | if (a /* set breakpoint 3 here */ | |
129 | && b | |
130 | && c) | |
131 | return 0; | |
132 | else | |
133 | return 1; | |
134 | } | |
135 | ||
136 | #ifdef PROTOTYPES | |
137 | int multi_line_while_conditional (int a, int b, int c) | |
138 | #else | |
139 | int multi_line_while_conditional (a, b, c) | |
140 | int a, b, c; | |
141 | #endif | |
142 | { | |
143 | while (a /* set breakpoint 4 here */ | |
144 | && b | |
145 | && c) | |
146 | { | |
147 | a--, b--, c--; | |
148 | } | |
149 | return 0; | |
150 | } |