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75 lines
1.8 KiB
C
75 lines
1.8 KiB
C
/*
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* This file is part of mtrace.
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* Copyright (C) 2015 Stefani Seibold <stefani@seibold.net>
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*
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* This work was sponsored by Rohde & Schwarz GmbH & Co. KG, Munich.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*/
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#include "backtrace.h"
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#include "dwarf.h"
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#include "task.h"
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#include <assert.h>
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#include <stdio.h>
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int backtrace_init(struct task *task)
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{
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assert(task->leader == task);
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assert(task->backtrace == NULL);
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task->backtrace = dwarf_init(task->is_64bit);
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return task->backtrace != NULL;
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}
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void backtrace_destroy(struct task *task)
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{
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assert(task->leader == task);
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if (task->backtrace) {
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dwarf_destroy(task->backtrace);
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task->backtrace = NULL;
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}
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}
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int backtrace_init_unwind(struct task *task)
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{
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assert(task->leader);
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assert(task->leader->backtrace);
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return dwarf_init_unwind(task->leader->backtrace, task);
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}
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unsigned long backtrace_get_ip(struct task *task)
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{
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assert(task->leader);
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assert(task->leader->backtrace);
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return dwarf_get_ip(task->leader->backtrace);
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}
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int backtrace_step(struct task *task)
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{
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assert(task->leader);
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assert(task->leader->backtrace);
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return dwarf_step(task->leader->backtrace);
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}
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