debug.h (55fa518867978e1f5fd8353098f80d125ac734d7) debug.h (75dcfc1d678d76a82288c043bfd5bfc0fbd43b49)
1/*
1/*
2 * Debug macros for run-time debugging.
3 * Turned on/off with CONFIG_RUNTIME_DEBUG option.
2 * Copyright (C) 2015 Imagination Technologies
4 *
3 *
5 * Copyright (C) 2001 MontaVista Software Inc.
6 * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2 of the License, or (at your
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License as published by the
6 * Free Software Foundation; either version 2 of the License, or (at your
11 * option) any later version.
7 * option) any later version.
12 *
13 */
14
8 */
9
15#ifndef _ASM_DEBUG_H
16#define _ASM_DEBUG_H
10#ifndef __MIPS_ASM_DEBUG_H__
11#define __MIPS_ASM_DEBUG_H__
17
12
13#include <linux/dcache.h>
18
19/*
14
15/*
20 * run-time macros for catching spurious errors. Eable CONFIG_RUNTIME_DEBUG in
21 * kernel hacking config menu to use them.
22 *
23 * Use them as run-time debugging aid. NEVER USE THEM AS ERROR HANDLING CODE!!!
16 * mips_debugfs_dir corresponds to the "mips" directory at the top level
17 * of the DebugFS hierarchy. MIPS-specific DebugFS entires should be
18 * placed beneath this directory.
24 */
19 */
20extern struct dentry *mips_debugfs_dir;
25
21
26#ifdef CONFIG_RUNTIME_DEBUG
27
28#include <linux/kernel.h>
29
30#define db_assert(x) if (!(x)) { \
31 panic("assertion failed at %s:%d: %s", __FILE__, __LINE__, #x); }
32#define db_warn(x) if (!(x)) { \
33 printk(KERN_WARNING "warning at %s:%d: %s", __FILE__, __LINE__, #x); }
34#define db_verify(x, y) db_assert(x y)
35#define db_verify_warn(x, y) db_warn(x y)
36#define db_run(x) do { x; } while (0)
37
38#else
39
40#define db_assert(x)
41#define db_warn(x)
42#define db_verify(x, y) x
43#define db_verify_warn(x, y) x
44#define db_run(x)
45
46#endif
47
48#endif /* _ASM_DEBUG_H */
22#endif /* __MIPS_ASM_DEBUG_H__ */