a50d3602e0
* gdb.base/break.c: Add comments to aid finding line numbers for
breakpoints.
* gdb.base/break.exp: Remove all references to explicit line
numbers.
131 lines
2.7 KiB
C
131 lines
2.7 KiB
C
#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 */
|
|
|
|
/*
|
|
* The following functions do nothing useful. They are included simply
|
|
* as places to try setting breakpoints at. They are explicitly
|
|
* "one-line functions" to verify that this case works (some versions
|
|
* of gcc have or have had problems with this).
|
|
*/
|
|
|
|
#ifdef PROTOTYPES
|
|
int marker1 (void) { return (0); }
|
|
int marker2 (int a) { return (1); } /* set breakpoint 8 here */
|
|
void marker3 (char *a, char *b) {}
|
|
void marker4 (long d) {} /* set breakpoint 14 here */
|
|
#else
|
|
int marker1 () { return (0); }
|
|
int marker2 (a) int a; { return (1); } /* set breakpoint 9 here */
|
|
void marker3 (a, b) char *a, *b; {}
|
|
void marker4 (d) long d; {} /* set breakpoint 13 here */
|
|
#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
|
|
{
|
|
#ifdef usestubs
|
|
set_debug_traps(); /* set breakpoint 5 here */
|
|
breakpoint();
|
|
#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);
|
|
marker3 ("stack", "trace");
|
|
marker4 (177601976L);
|
|
argc = (argc == 12345); /* This is silly, but we can step off of it */ /* set breakpoint 2 here */
|
|
return argc; /* set breakpoint 10 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);
|
|
}
|
|
|
|
#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;
|
|
}
|