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/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2009 Free Software Foundation, Inc.
*
* GRUB 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 3 of the License, or
* (at your option) any later version.
*
* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/misc.h>
#include <grub/command.h>
#include <grub/err.h>
#include <grub/dl.h>
#include <grub/mm.h>
#include <grub/term.h>
#include <grub/backtrace.h>
GRUB_MOD_LICENSE ("GPLv3+");
void
grub_backtrace_print_address (void *addr)
{
grub_dl_t mod;
FOR_DL_MODULES (mod)
{
grub_dl_segment_t segment;
for (segment = mod->segment; segment; segment = segment->next)
if (segment->addr <= addr && (grub_uint8_t *) segment->addr
+ segment->size > (grub_uint8_t *) addr)
{
grub_printf ("%s.%x+%" PRIxGRUB_SIZE, mod->name, segment->section,
(grub_size_t) ((grub_uint8_t *) addr - (grub_uint8_t *) segment->addr));
return;
}
}
grub_printf ("%p", addr);
}
static grub_err_t
grub_cmd_backtrace (grub_command_t cmd __attribute__ ((unused)),
int argc __attribute__ ((unused)),
char **args __attribute__ ((unused)))
{
grub_backtrace ();
return 0;
}
static grub_command_t cmd;
GRUB_MOD_INIT(backtrace)
{
cmd = grub_register_command ("backtrace", grub_cmd_backtrace,
0, N_("Print backtrace."));
}
GRUB_MOD_FINI(backtrace)
{
grub_unregister_command (cmd);
}
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