1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
/* This testcase is part of GDB, the GNU debugger.
Copyright 2008-2013 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifdef vxworks
# include <stdio.h>
/* VxWorks does not supply atoi. */
static int
atoi (z)
char *z;
{
int i = 0;
while (*z >= '0' && *z <= '9')
i = i * 10 + (*z++ - '0');
return i;
}
/* I don't know of any way to pass an array to VxWorks. This function
can be called directly from gdb. */
vxmain (arg)
char *arg;
{
char *argv[2];
argv[0] = "";
argv[1] = arg;
main (2, argv, (char **) 0);
}
#else /* ! vxworks */
# include <stdio.h>
# include <stdlib.h>
#endif /* ! vxworks */
#ifdef PROTOTYPES
extern int marker1 (void);
extern int marker2 (int a);
extern void marker3 (char *a, char *b);
extern void marker4 (long d);
#else
extern int marker1 ();
extern int marker2 ();
extern void marker3 ();
extern void marker4 ();
#endif
/*
* This simple classical example of recursion is useful for
* testing stack backtraces and such.
*/
#ifdef PROTOTYPES
int factorial(int);
int
main (int argc, char **argv, char **envp)
#else
int
main (argc, argv, envp)
int argc;
char *argv[], **envp;
#endif
{
if (argc == 12345) { /* an unlikely value < 2^16, in case uninited */ /* set breakpoint 6 here */
fprintf (stderr, "usage: factorial <number>\n");
return 1;
}
printf ("%d\n", factorial (atoi ("6"))); /* set breakpoint 1 here */
/* set breakpoint 12 here */
marker1 (); /* set breakpoint 11 here */
marker2 (43); /* set breakpoint 20 here */
marker3 ("stack", "trace"); /* set breakpoint 21 here */
marker4 (177601976L);
/* We're used by a test that requires malloc, so make sure it is
in the executable. */
(void)malloc (1);
argc = (argc == 12345); /* This is silly, but we can step off of it */ /* set breakpoint 2 here */
return argc; /* set breakpoint 10 here */
} /* set breakpoint 10a here */
#ifdef PROTOTYPES
int factorial (int value)
#else
int factorial (value)
int value;
#endif
{
if (value > 1) { /* set breakpoint 7 here */
value *= factorial (value - 1);
}
return (value); /* set breakpoint 19 here */
}
#ifdef PROTOTYPES
int multi_line_if_conditional (int a, int b, int c)
#else
int multi_line_if_conditional (a, b, c)
int a, b, c;
#endif
{
if (a /* set breakpoint 3 here */
&& b
&& c)
return 0;
else
return 1;
}
#ifdef PROTOTYPES
int multi_line_while_conditional (int a, int b, int c)
#else
int multi_line_while_conditional (a, b, c)
int a, b, c;
#endif
{
while (a /* set breakpoint 4 here */
&& b
&& c)
{
a--, b--, c--;
}
return 0;
}
|
