[mirror_ubuntu-bionic-kernel.git] / arch / microblaze / kernel / stacktrace.c

/*
 * Stack trace support for Microblaze.
 *
 * Copyright (C) 2009 Michal Simek <monstr@monstr.eu>
 * Copyright (C) 2009 PetaLogix
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License. See the file "COPYING" in the main directory of this archive
 * for more details.
 */

#include <linux/export.h>
#include <linux/sched.h>
#include <linux/stacktrace.h>
#include <linux/thread_info.h>
#include <linux/ptrace.h>
#include <asm/unwind.h>

void save_stack_trace(struct stack_trace *trace)
{
	/* Exclude our helper functions from the trace*/
	trace->skip += 2;
	microblaze_unwind(NULL, trace);
}
EXPORT_SYMBOL_GPL(save_stack_trace);

void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
{
	microblaze_unwind(tsk, trace);
}
EXPORT_SYMBOL_GPL(save_stack_trace_tsk);
Commit	Line	Data
24b45a12 MS	1	/*
	2	* Stack trace support for Microblaze.
	3	*
	4	* Copyright (C) 2009 Michal Simek <monstr@monstr.eu>
	5	* Copyright (C) 2009 PetaLogix
	6	*
	7	* This file is subject to the terms and conditions of the GNU General Public
	8	* License. See the file "COPYING" in the main directory of this archive
	9	* for more details.
	10	*/
	11
d64af918	12	#include <linux/export.h>
24b45a12 MS	13	#include <linux/sched.h>
	14	#include <linux/stacktrace.h>
	15	#include <linux/thread_info.h>
	16	#include <linux/ptrace.h>
ce3266c0	17	#include <asm/unwind.h>
24b45a12	18
24b45a12 MS	19	void save_stack_trace(struct stack_trace *trace)
24b45a12 MS	20	{
ce3266c0 SM	21	/* Exclude our helper functions from the trace*/
	22	trace->skip += 2;
	23	microblaze_unwind(NULL, trace);
24b45a12 MS	24	}
	25	EXPORT_SYMBOL_GPL(save_stack_trace);
	26
	27	void save_stack_trace_tsk(struct task_struct tsk, struct stack_trace trace)
	28	{
ce3266c0	29	microblaze_unwind(tsk, trace);
24b45a12 MS	30	}
24b45a12 MS	31	EXPORT_SYMBOL_GPL(save_stack_trace_tsk);