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/**
* @file
* Code backtrace
*
* @authors
* Copyright (C) 2018-2019 Richard Russon <rich@flatcap.org>
*
* @copyright
* 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 <http://www.gnu.org/licenses/>.
*/
/**
* @page debug_backtrace Code backtrace
*
* Code backtrace
*/
#include "config.h"
#include <libunwind.h>
#include <stdio.h>
#include "mutt/lib.h"
#include "lib.h"
#include "muttlib.h"
#include "version.h"
/**
* show_backtrace - Log the program's call stack
*/
void show_backtrace(void)
{
unw_cursor_t cursor = { 0 };
unw_context_t uc = { 0 };
unw_word_t ip = 0;
unw_word_t sp = 0;
char buf[256] = { 0 };
printf("\n%s\n", mutt_make_version());
printf("Backtrace\n");
mutt_debug(LL_DEBUG1, "\nBacktrace\n");
unw_getcontext(&uc);
unw_init_local(&cursor, &uc);
while (unw_step(&cursor) > 0)
{
unw_get_reg(&cursor, UNW_REG_IP, &ip);
unw_get_reg(&cursor, UNW_REG_SP, &sp);
unw_get_proc_name(&cursor, buf, sizeof(buf), &ip);
if (buf[0] == '_')
continue;
printf(" %s() ip = %lx, sp = %lx\n", buf, (long) ip, (long) sp);
mutt_debug(LL_DEBUG1, " %s() ip = %lx, sp = %lx\n", buf, (long) ip, (long) sp);
}
printf("\n");
}
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