1*b725ae77Skettenis /* Copyright 1994, 1995, 1999, 2002, 2003, 2004 Free Software Foundation, Inc.
2*b725ae77Skettenis
3*b725ae77Skettenis This program is free software; you can redistribute it and/or modify
4*b725ae77Skettenis it under the terms of the GNU General Public License as published by
5*b725ae77Skettenis the Free Software Foundation; either version 2 of the License, or
6*b725ae77Skettenis (at your option) any later version.
7*b725ae77Skettenis
8*b725ae77Skettenis This program is distributed in the hope that it will be useful,
9*b725ae77Skettenis but WITHOUT ANY WARRANTY; without even the implied warranty of
10*b725ae77Skettenis MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11*b725ae77Skettenis GNU General Public License for more details.
12*b725ae77Skettenis
13*b725ae77Skettenis You should have received a copy of the GNU General Public License
14*b725ae77Skettenis along with this program; if not, write to the Free Software
15*b725ae77Skettenis Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
16*b725ae77Skettenis
17*b725ae77Skettenis Please email any bugs, comments, and/or additions to this file to:
18*b725ae77Skettenis bug-gdb@prep.ai.mit.edu */
19*b725ae77Skettenis
20*b725ae77Skettenis #ifdef vxworks
21*b725ae77Skettenis
22*b725ae77Skettenis # include <stdio.h>
23*b725ae77Skettenis
24*b725ae77Skettenis /* VxWorks does not supply atoi. */
25*b725ae77Skettenis static int
atoi(z)26*b725ae77Skettenis atoi (z)
27*b725ae77Skettenis char *z;
28*b725ae77Skettenis {
29*b725ae77Skettenis int i = 0;
30*b725ae77Skettenis
31*b725ae77Skettenis while (*z >= '0' && *z <= '9')
32*b725ae77Skettenis i = i * 10 + (*z++ - '0');
33*b725ae77Skettenis return i;
34*b725ae77Skettenis }
35*b725ae77Skettenis
36*b725ae77Skettenis /* I don't know of any way to pass an array to VxWorks. This function
37*b725ae77Skettenis can be called directly from gdb. */
38*b725ae77Skettenis
vxmain(arg)39*b725ae77Skettenis vxmain (arg)
40*b725ae77Skettenis char *arg;
41*b725ae77Skettenis {
42*b725ae77Skettenis char *argv[2];
43*b725ae77Skettenis
44*b725ae77Skettenis argv[0] = "";
45*b725ae77Skettenis argv[1] = arg;
46*b725ae77Skettenis main (2, argv, (char **) 0);
47*b725ae77Skettenis }
48*b725ae77Skettenis
49*b725ae77Skettenis #else /* ! vxworks */
50*b725ae77Skettenis # include <stdio.h>
51*b725ae77Skettenis # include <stdlib.h>
52*b725ae77Skettenis #endif /* ! vxworks */
53*b725ae77Skettenis
54*b725ae77Skettenis /*
55*b725ae77Skettenis * The following functions do nothing useful. They are included simply
56*b725ae77Skettenis * as places to try setting breakpoints at. They are explicitly
57*b725ae77Skettenis * "one-line functions" to verify that this case works (some versions
58*b725ae77Skettenis * of gcc have or have had problems with this).
59*b725ae77Skettenis */
60*b725ae77Skettenis
61*b725ae77Skettenis #ifdef PROTOTYPES
marker1(void)62*b725ae77Skettenis int marker1 (void) { return (0); }
marker2(int a)63*b725ae77Skettenis int marker2 (int a) { return (1); } /* set breakpoint 8 here */
marker3(char * a,char * b)64*b725ae77Skettenis void marker3 (char *a, char *b) {}
marker4(long d)65*b725ae77Skettenis void marker4 (long d) {} /* set breakpoint 14 here */
66*b725ae77Skettenis #else
marker1()67*b725ae77Skettenis int marker1 () { return (0); }
marker2(a)68*b725ae77Skettenis int marker2 (a) int a; { return (1); } /* set breakpoint 9 here */
marker3(a,b)69*b725ae77Skettenis void marker3 (a, b) char *a, *b; {}
marker4(d)70*b725ae77Skettenis void marker4 (d) long d; {} /* set breakpoint 13 here */
71*b725ae77Skettenis #endif
72*b725ae77Skettenis
73*b725ae77Skettenis /*
74*b725ae77Skettenis * This simple classical example of recursion is useful for
75*b725ae77Skettenis * testing stack backtraces and such.
76*b725ae77Skettenis */
77*b725ae77Skettenis
78*b725ae77Skettenis #ifdef PROTOTYPES
79*b725ae77Skettenis int factorial(int);
80*b725ae77Skettenis
81*b725ae77Skettenis int
main(int argc,char ** argv,char ** envp)82*b725ae77Skettenis main (int argc, char **argv, char **envp)
83*b725ae77Skettenis #else
84*b725ae77Skettenis int
85*b725ae77Skettenis main (argc, argv, envp)
86*b725ae77Skettenis int argc;
87*b725ae77Skettenis char *argv[], **envp;
88*b725ae77Skettenis #endif
89*b725ae77Skettenis {
90*b725ae77Skettenis #ifdef usestubs
91*b725ae77Skettenis set_debug_traps(); /* set breakpoint 5 here */
92*b725ae77Skettenis breakpoint();
93*b725ae77Skettenis #endif
94*b725ae77Skettenis if (argc == 12345) { /* an unlikely value < 2^16, in case uninited */ /* set breakpoint 6 here */
95*b725ae77Skettenis fprintf (stderr, "usage: factorial <number>\n");
96*b725ae77Skettenis return 1;
97*b725ae77Skettenis }
98*b725ae77Skettenis printf ("%d\n", factorial (atoi ("6"))); /* set breakpoint 1 here */
99*b725ae77Skettenis /* set breakpoint 12 here */
100*b725ae77Skettenis marker1 (); /* set breakpoint 11 here */
101*b725ae77Skettenis marker2 (43);
102*b725ae77Skettenis marker3 ("stack", "trace");
103*b725ae77Skettenis marker4 (177601976L);
104*b725ae77Skettenis argc = (argc == 12345); /* This is silly, but we can step off of it */ /* set breakpoint 2 here */
105*b725ae77Skettenis return argc; /* set breakpoint 10 here */
106*b725ae77Skettenis }
107*b725ae77Skettenis
108*b725ae77Skettenis #ifdef PROTOTYPES
factorial(int value)109*b725ae77Skettenis int factorial (int value)
110*b725ae77Skettenis #else
111*b725ae77Skettenis int factorial (value)
112*b725ae77Skettenis int value;
113*b725ae77Skettenis #endif
114*b725ae77Skettenis {
115*b725ae77Skettenis if (value > 1) { /* set breakpoint 7 here */
116*b725ae77Skettenis value *= factorial (value - 1);
117*b725ae77Skettenis }
118*b725ae77Skettenis return (value);
119*b725ae77Skettenis }
120*b725ae77Skettenis
121*b725ae77Skettenis #ifdef PROTOTYPES
multi_line_if_conditional(int a,int b,int c)122*b725ae77Skettenis int multi_line_if_conditional (int a, int b, int c)
123*b725ae77Skettenis #else
124*b725ae77Skettenis int multi_line_if_conditional (a, b, c)
125*b725ae77Skettenis int a, b, c;
126*b725ae77Skettenis #endif
127*b725ae77Skettenis {
128*b725ae77Skettenis if (a /* set breakpoint 3 here */
129*b725ae77Skettenis && b
130*b725ae77Skettenis && c)
131*b725ae77Skettenis return 0;
132*b725ae77Skettenis else
133*b725ae77Skettenis return 1;
134*b725ae77Skettenis }
135*b725ae77Skettenis
136*b725ae77Skettenis #ifdef PROTOTYPES
multi_line_while_conditional(int a,int b,int c)137*b725ae77Skettenis int multi_line_while_conditional (int a, int b, int c)
138*b725ae77Skettenis #else
139*b725ae77Skettenis int multi_line_while_conditional (a, b, c)
140*b725ae77Skettenis int a, b, c;
141*b725ae77Skettenis #endif
142*b725ae77Skettenis {
143*b725ae77Skettenis while (a /* set breakpoint 4 here */
144*b725ae77Skettenis && b
145*b725ae77Skettenis && c)
146*b725ae77Skettenis {
147*b725ae77Skettenis a--, b--, c--;
148*b725ae77Skettenis }
149*b725ae77Skettenis return 0;
150*b725ae77Skettenis }
151