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1 | /* Copyright 1994, 1995, 1999, 2002, 2003, 2004, 2007 |
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 | |
6 | the Free Software Foundation; either version 2 of the License, or | |
7 | (at your option) any later version. | |
8 | ||
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. | |
13 | ||
14 | You should have received a copy of the GNU General Public License | |
15 | along with this program; if not, write to the Free Software | |
16 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
17 | ||
18 | Please email any bugs, comments, and/or additions to this file to: | |
19 | bug-gdb@prep.ai.mit.edu */ | |
20 | ||
21 | #ifdef vxworks | |
22 | ||
23 | # include <stdio.h> | |
24 | ||
25 | /* VxWorks does not supply atoi. */ | |
26 | static int | |
27 | atoi (z) | |
28 | char *z; | |
29 | { | |
30 | int i = 0; | |
31 | ||
32 | while (*z >= '0' && *z <= '9') | |
33 | i = i * 10 + (*z++ - '0'); | |
34 | return i; | |
35 | } | |
36 | ||
37 | /* I don't know of any way to pass an array to VxWorks. This function | |
38 | can be called directly from gdb. */ | |
39 | ||
40 | vxmain (arg) | |
41 | char *arg; | |
42 | { | |
43 | char *argv[2]; | |
44 | ||
45 | argv[0] = ""; | |
46 | argv[1] = arg; | |
47 | main (2, argv, (char **) 0); | |
48 | } | |
49 | ||
50 | #else /* ! vxworks */ | |
51 | # include <stdio.h> | |
52 | # include <stdlib.h> | |
53 | #endif /* ! vxworks */ | |
54 | ||
55 | /* | |
56 | * The following functions do nothing useful. They are included simply | |
57 | * as places to try setting breakpoints at. They are explicitly | |
58 | * "one-line functions" to verify that this case works (some versions | |
59 | * of gcc have or have had problems with this). | |
60 | */ | |
61 | ||
62 | #ifdef PROTOTYPES | |
63 | int marker1 (void) { return (0); } | |
64 | int marker2 (int a) { return (1); } /* set breakpoint 8 here */ | |
65 | void marker3 (char *a, char *b) {} | |
66 | void marker4 (long d) {} /* set breakpoint 14 here */ | |
67 | #else | |
68 | int marker1 () { return (0); } | |
69 | int marker2 (a) int a; { return (1); } /* set breakpoint 9 here */ | |
70 | void marker3 (a, b) char *a, *b; {} | |
71 | void marker4 (d) long d; {} /* set breakpoint 13 here */ | |
72 | #endif | |
73 | ||
74 | /* | |
75 | * This simple classical example of recursion is useful for | |
76 | * testing stack backtraces and such. | |
77 | */ | |
78 | ||
79 | #ifdef PROTOTYPES | |
80 | int factorial(int); | |
81 | ||
82 | int | |
83 | main (int argc, char **argv, char **envp) | |
84 | #else | |
85 | int | |
86 | main (argc, argv, envp) | |
87 | int argc; | |
88 | char *argv[], **envp; | |
89 | #endif | |
90 | { | |
91 | #ifdef usestubs | |
92 | set_debug_traps(); /* set breakpoint 5 here */ | |
93 | breakpoint(); | |
94 | #endif | |
95 | if (argc == 12345) { /* an unlikely value < 2^16, in case uninited */ /* set breakpoint 6 here */ | |
96 | fprintf (stderr, "usage: factorial <number>\n"); | |
97 | return 1; | |
98 | } | |
99 | printf ("%d\n", factorial (atoi ("6"))); /* set breakpoint 1 here */ | |
100 | /* set breakpoint 12 here */ | |
101 | marker1 (); /* set breakpoint 11 here */ | |
102 | marker2 (43); | |
103 | marker3 ("stack", "trace"); | |
104 | marker4 (177601976L); | |
105 | argc = (argc == 12345); /* This is silly, but we can step off of it */ /* set breakpoint 2 here */ | |
106 | return argc; /* set breakpoint 10 here */ | |
107 | } | |
108 | ||
109 | #ifdef PROTOTYPES | |
110 | int factorial (int value) | |
111 | #else | |
112 | int factorial (value) | |
113 | int value; | |
114 | #endif | |
115 | { | |
116 | if (value > 1) { /* set breakpoint 7 here */ | |
117 | value *= factorial (value - 1); | |
118 | } | |
119 | return (value); | |
120 | } | |
121 | ||
122 | #ifdef PROTOTYPES | |
123 | int multi_line_if_conditional (int a, int b, int c) | |
124 | #else | |
125 | int multi_line_if_conditional (a, b, c) | |
126 | int a, b, c; | |
127 | #endif | |
128 | { | |
129 | if (a /* set breakpoint 3 here */ | |
130 | && b | |
131 | && c) | |
132 | return 0; | |
133 | else | |
134 | return 1; | |
135 | } | |
136 | ||
137 | #ifdef PROTOTYPES | |
138 | int multi_line_while_conditional (int a, int b, int c) | |
139 | #else | |
140 | int multi_line_while_conditional (a, b, c) | |
141 | int a, b, c; | |
142 | #endif | |
143 | { | |
144 | while (a /* set breakpoint 4 here */ | |
145 | && b | |
146 | && c) | |
147 | { | |
148 | a--, b--, c--; | |
149 | } | |
150 | return 0; | |
151 | } |