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105 lines
2.5 KiB
C
105 lines
2.5 KiB
C
/*
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* This file is part of mtrace-ng.
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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/Germany.
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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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#ifndef _INC_BACKTRACE_H
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#define _INC_BACKTRACE_H
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#include <assert.h>
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#include "dwarf.h"
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#include "main.h"
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#include "options.h"
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#include "task.h"
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#include "timer.h"
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/* init backtrace for given leader task */
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static inline 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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/* destroy backtrace for given leader task */
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static inline 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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/* start backtrace for given task */
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static inline 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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/* get backtrace IP address for given task */
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static inline 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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/* step to next backtrace given task */
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static inline int backtrace_step(struct task *task)
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{
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int ret;
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struct timespec start;
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assert(task->leader);
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assert(task->leader->backtrace);
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if (unlikely(options.verbose > 1))
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start_time(&start);
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ret = dwarf_step(task->leader->backtrace);
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if (unlikely(options.verbose > 1))
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set_timer(&start, &backtrace_time);
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return ret;
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}
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/* get backtrace location type of given task */
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static inline int backtrace_location_type(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_location_type(task->leader->backtrace);
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}
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#endif
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