backtrace.c File Reference

Code backtrace. More...

#include "config.h"
#include <libunwind.h>
#include <stdio.h>
#include "mutt/lib.h"
#include "lib.h"
#include "muttlib.h"

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Functions
void	show_backtrace (void)
	Log the program's call stack.

Detailed Description

Code backtrace.

Authors

• Richard Russon

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/.

Definition in file backtrace.c.

Function Documentation

show_backtrace()

void show_backtrace

(

void

)

Log the program's call stack.

Definition at line 39 of file backtrace.c.

{
  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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