56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
/* Obtain a backtrace and print it.
|
|
Copyright (C) 1991-2022 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 2
|
|
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 <https://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <execinfo.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
/* Obtain a backtrace and print it to @code{stdout}. */
|
|
void
|
|
print_trace (void)
|
|
{
|
|
void *array[10];
|
|
char **strings;
|
|
int size, i;
|
|
|
|
size = backtrace (array, 10);
|
|
strings = backtrace_symbols (array, size);
|
|
if (strings != NULL)
|
|
{
|
|
|
|
printf ("Obtained %d stack frames.\n", size);
|
|
for (i = 0; i < size; i++)
|
|
printf ("%s\n", strings[i]);
|
|
}
|
|
|
|
free (strings);
|
|
}
|
|
|
|
/* A dummy function to make the backtrace more interesting. */
|
|
void
|
|
dummy_function (void)
|
|
{
|
|
print_trace ();
|
|
}
|
|
|
|
int
|
|
main (void)
|
|
{
|
|
dummy_function ();
|
|
return 0;
|
|
}
|