mtrace/sysdeps/linux-gnu/backtrace.c
Stefani Seibold 0a26d61e70 initial commit
This is the first public release of the ptrace based mtrace utility, a dynamic
memory allocation debuger and analyzer.
2015-04-20 09:08:14 +02:00

61 lines
1.5 KiB
C

/*
* This file is part of mtrace.
* Copyright (C) 2015 Stefani Seibold <stefani@seibold.net>
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#include "backtrace.h"
#include "dwarf.h"
#include "task.h"
#include <stdio.h>
int backtrace_init(struct task *task)
{
task->backtrace = dwarf_init(task);
return task->backtrace != NULL;
}
void backtrace_destroy(struct task *task)
{
if (task->backtrace)
dwarf_destroy(task->backtrace);
}
int backtrace_init_unwind(struct task *task)
{
if (task->backtrace)
return dwarf_init_unwind(task->backtrace);
return -1;
}
unsigned long backtrace_get_ip(struct task *task)
{
if (task->backtrace)
return dwarf_get_ip(task->backtrace);
return 0;
}
int backtrace_step(struct task *task)
{
if (task->backtrace)
return dwarf_step(task->backtrace);
return -1;
}