[apple/xnu.git] / osfmk / kern / debug.h

/*
 * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 * 
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 */

#ifndef	_KERN_DEBUG_H_
#define _KERN_DEBUG_H_

#include <sys/cdefs.h>
#include <stdint.h>

#ifdef __APPLE_API_PRIVATE
#ifdef __APPLE_API_UNSTABLE

struct thread_snapshot {
	uint32_t 		snapshot_magic;
	uint32_t 		nkern_frames;
	uint32_t 		nuser_frames;
	uint64_t 		wait_event;
	uint64_t 	 	continuation;
	uint64_t 		thread_id;
	uint64_t 		user_time;
	uint64_t 		system_time;
	int32_t  		state;
	int32_t			sched_pri;   // scheduled (current) priority
	int32_t			sched_flags; // scheduler flags
	char			ss_flags;
} __attribute__ ((packed));

struct task_snapshot {
	uint32_t		snapshot_magic;
	int32_t			pid;
	uint32_t		nloadinfos;
	uint64_t		user_time_in_terminated_threads;
	uint64_t		system_time_in_terminated_threads;
	int				suspend_count; 
	int				task_size;    // pages
	int				faults;	 	// number of page faults
	int				pageins; 	// number of actual pageins
	int				cow_faults;	// number of copy-on-write faults
	char			ss_flags;
	/* We restrict ourselves to a statically defined
	 * (current as of 2009) length for the
	 * p_comm string, due to scoping issues (osfmk/bsd and user/kernel
	 * binary compatibility).
	 */
	char			p_comm[17];
} __attribute__ ((packed));


struct mem_and_io_snapshot {
	uint32_t	snapshot_magic;
	uint32_t	free_pages;
	uint32_t	active_pages;
	uint32_t	inactive_pages;
	uint32_t	purgeable_pages;
	uint32_t	wired_pages;
	uint32_t	speculative_pages;
	uint32_t	throttled_pages;
	int			busy_buffer_count;
	uint32_t	pages_wanted;
	uint32_t	pages_reclaimed;
	uint8_t		pages_wanted_reclaimed_valid; // did mach_vm_pressure_monitor succeed?
} __attribute__((packed));


enum {
	kUser64_p = 0x1,
	kKernel64_p = 0x2,
	kHasDispatchSerial = 0x4,
	kTerminatedSnapshot = 0x8,
	kPidSuspended = 0x10,  // true for suspended task
	kFrozen = 0x20         // true for hibernated task (along with pidsuspended)
};

#define VM_PRESSURE_TIME_WINDOW 5 /* seconds */

enum {
	STACKSHOT_GET_DQ = 0x1,
	STACKSHOT_SAVE_LOADINFO = 0x2,
	STACKSHOT_GET_GLOBAL_MEM_STATS = 0x4
};

#define STACKSHOT_THREAD_SNAPSHOT_MAGIC 	0xfeedface
#define STACKSHOT_TASK_SNAPSHOT_MAGIC   	0xdecafbad
#define STACKSHOT_MEM_AND_IO_SNAPSHOT_MAGIC	0xbfcabcde

#endif /* __APPLE_API_UNSTABLE */
#endif /* __APPLE_API_PRIVATE */

#ifdef	KERNEL_PRIVATE

extern unsigned int	systemLogDiags;
extern char debug_buf[];
extern unsigned int	debug_boot_arg;
extern char kernel_uuid[];

#ifdef MACH_KERNEL_PRIVATE

extern unsigned int	halt_in_debugger;

extern unsigned int     switch_debugger;

extern unsigned int     current_debugger;
#define NO_CUR_DB       0x0
#define KDP_CUR_DB      0x1
#define KDB_CUR_DB      0x2

extern unsigned int 	active_debugger;
extern unsigned int 	debug_mode; 
extern unsigned int 	disable_debug_output; 

extern unsigned int 	panicDebugging;
extern unsigned int 	logPanicDataToScreen;

extern int db_run_mode;

/* modes the system may be running in */

#define	STEP_NONE	0
#define	STEP_ONCE	1
#define	STEP_RETURN	2
#define	STEP_CALLT	3
#define	STEP_CONTINUE	4
#define STEP_INVISIBLE	5
#define	STEP_COUNT	6
#define STEP_TRACE	7	/* Show all calls to functions and returns */

extern const char		*panicstr;
extern volatile unsigned int	nestedpanic;
extern int unsigned long panic_caller;

extern char *debug_buf_ptr;
extern unsigned int debug_buf_size;

extern void	debug_log_init(void);
extern void	debug_putc(char);

extern void	panic_init(void);

int	packA(char *inbuf, uint32_t length, uint32_t buflen);
void	unpackA(char *inbuf, uint32_t length);

void	panic_display_system_configuration(void);
void	panic_display_zprint(void);
#if CONFIG_ZLEAKS
void	panic_display_ztrace(void);
#endif /* CONFIG_ZLEAKS */
#endif /* MACH_KERNEL_PRIVATE */

#define DB_HALT		0x1
#define DB_PRT		0x2
#define DB_NMI		0x4
#define DB_KPRT		0x8
#define DB_KDB		0x10
#define DB_SLOG		0x20
#define DB_ARP          0x40
#define DB_KDP_BP_DIS   0x80
#define DB_LOG_PI_SCRN	0x100
#define DB_KDP_GETC_ENA 0x200

#define DB_KERN_DUMP_ON_PANIC		0x400 /* Trigger core dump on panic*/
#define DB_KERN_DUMP_ON_NMI		0x800 /* Trigger core dump on NMI */
#define DB_DBG_POST_CORE		0x1000 /*Wait in debugger after NMI core */
#define DB_PANICLOG_DUMP		0x2000 /* Send paniclog on panic,not core*/
#define DB_REBOOT_POST_CORE		0x4000 /* Attempt to reboot after
						* post-panic crashdump/paniclog
						* dump.
						*/

#if DEBUG
/*
 * For the DEBUG kernel, support the following:
 *	sysctl -w debug.kprint_syscall=<syscall_mask> 
 *	sysctl -w debug.kprint_syscall_process=<p_comm>
 * <syscall_mask> should be an OR of the masks below
 * for UNIX, MACH, MDEP, or IPC. This debugging aid
 * assumes the task/process is locked/wired and will
 * not go away during evaluation. If no process is
 * specified, all processes will be traced
 */
extern int debug_kprint_syscall;
extern int debug_kprint_current_process(const char **namep);
#define DEBUG_KPRINT_SYSCALL_PREDICATE_INTERNAL(mask, namep)			\
	( (debug_kprint_syscall & (mask)) && debug_kprint_current_process(namep) )
#define DEBUG_KPRINT_SYSCALL_MASK(mask, fmt, args...)	do { 			\
		const char *dks_name = NULL;									\
		if (DEBUG_KPRINT_SYSCALL_PREDICATE_INTERNAL(mask, &dks_name)) {	\
			kprintf("[%s%s%p]" fmt, dks_name ? dks_name : "",			\
					dks_name ? "@" : "", current_thread(), args);			\
		}																\
	} while (0)
#else /* !DEBUG */
#define DEBUG_KPRINT_SYSCALL_PREDICATE_INTERNAL(mask, namep) (0)
#define DEBUG_KPRINT_SYSCALL_MASK(mask, fmt, args...) do { } while (0) /* kprintf(fmt, args) */
#endif /* !DEBUG */

enum {
	DEBUG_KPRINT_SYSCALL_UNIX_MASK = 1 << 0,
	DEBUG_KPRINT_SYSCALL_MACH_MASK = 1 << 1,
	DEBUG_KPRINT_SYSCALL_MDEP_MASK = 1 << 2,
	DEBUG_KPRINT_SYSCALL_IPC_MASK  = 1 << 3
};

#define DEBUG_KPRINT_SYSCALL_PREDICATE(mask)				\
	DEBUG_KPRINT_SYSCALL_PREDICATE_INTERNAL(mask, NULL)
#define DEBUG_KPRINT_SYSCALL_UNIX(fmt, args...)				\
	DEBUG_KPRINT_SYSCALL_MASK(DEBUG_KPRINT_SYSCALL_UNIX_MASK,fmt,args)
#define DEBUG_KPRINT_SYSCALL_MACH(fmt, args...)				\
	DEBUG_KPRINT_SYSCALL_MASK(DEBUG_KPRINT_SYSCALL_MACH_MASK,fmt,args)
#define DEBUG_KPRINT_SYSCALL_MDEP(fmt, args...)				\
	DEBUG_KPRINT_SYSCALL_MASK(DEBUG_KPRINT_SYSCALL_MDEP_MASK,fmt,args)
#define DEBUG_KPRINT_SYSCALL_IPC(fmt, args...)				\
	DEBUG_KPRINT_SYSCALL_MASK(DEBUG_KPRINT_SYSCALL_IPC_MASK,fmt,args)

#endif	/* KERNEL_PRIVATE */

__BEGIN_DECLS

extern void panic(const char *string, ...) __printflike(1,2);

#if KERNEL_PRIVATE
void _consume_panic_args(int, ...);
void panic_context(unsigned int reason, void *ctx, const char *string, ...);
#endif

#if CONFIG_NO_PANIC_STRINGS
#if KERNEL_PRIVATE
#define panic_plain(x, ...) _consume_panic_args( 0, ## __VA_ARGS__ )
#define panic(x, ...) _consume_panic_args( 0, ## __VA_ARGS__ )
#else
#define panic_plain(...) (panic)((char *)0)
#define panic(...)  (panic)((char *)0)
#endif
#else /* CONFIGS_NO_PANIC_STRINGS */
#define panic_plain(ex, ...) \
	(panic)(ex, ## __VA_ARGS__)
#define __STRINGIFY(x) #x
#define LINE_NUMBER(x) __STRINGIFY(x)
#define PANIC_LOCATION __FILE__ ":" LINE_NUMBER(__LINE__)
#define panic(ex, ...) \
	(panic)(# ex "@" PANIC_LOCATION, ## __VA_ARGS__)
#endif /* CONFIGS_NO_PANIC_STRINGS */

void 		populate_model_name(char *);
unsigned	panic_active(void);
__END_DECLS

#endif	/* _KERN_DEBUG_H_ */
Commit	Line	Data
1c79356b	1	/*
2d21ac55	2	* Copyright (c) 2000-2007 Apple Inc. All rights reserved.
1c79356b	3	*
2d21ac55	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
1c79356b	5	*
2d21ac55 A	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
8f6c56a5	14	*
2d21ac55 A	15	* Please obtain a copy of the License at
	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
	17	*
	18	* The Original Code and all software distributed under the License are
	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
8f6c56a5 A	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
8f6c56a5 A	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
2d21ac55 A	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
	24	* limitations under the License.
8f6c56a5	25	*
2d21ac55	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
1c79356b	27	*/
9bccf70c	28
1c79356b A	29	#ifndef _KERN_DEBUG_H_
	30	#define _KERN_DEBUG_H_
	31
91447636	32	#include <sys/cdefs.h>
2d21ac55	33	#include <stdint.h>
9bccf70c	34
b0d623f7 A	35	#ifdef __APPLE_API_PRIVATE
	36	#ifdef __APPLE_API_UNSTABLE
	37
	38	struct thread_snapshot {
	39	uint32_t snapshot_magic;
	40	uint32_t nkern_frames;
	41	uint32_t nuser_frames;
b0d623f7	42	uint64_t wait_event;
6d2010ae	43	uint64_t continuation;
b0d623f7	44	uint64_t thread_id;
6d2010ae A	45	uint64_t user_time;
6d2010ae A	46	uint64_t system_time;
b0d623f7	47	int32_t state;
316670eb A	48	int32_t sched_pri; // scheduled (current) priority
316670eb A	49	int32_t sched_flags; // scheduler flags
b0d623f7	50	char ss_flags;
b7266188 A	51	} __attribute__ ((packed));
	52
	53	struct task_snapshot {
	54	uint32_t snapshot_magic;
	55	int32_t pid;
	56	uint32_t nloadinfos;
6d2010ae A	57	uint64_t user_time_in_terminated_threads;
	58	uint64_t system_time_in_terminated_threads;
	59	int suspend_count;
	60	int task_size; // pages
	61	int faults; // number of page faults
	62	int pageins; // number of actual pageins
	63	int cow_faults; // number of copy-on-write faults
b7266188	64	char ss_flags;
b0d623f7 A	65	/* We restrict ourselves to a statically defined
	66	* (current as of 2009) length for the
	67	* p_comm string, due to scoping issues (osfmk/bsd and user/kernel
	68	* binary compatibility).
	69	*/
	70	char p_comm[17];
	71	} __attribute__ ((packed));
	72
6d2010ae	73
316670eb	74	struct mem_and_io_snapshot {
6d2010ae A	75	uint32_t snapshot_magic;
	76	uint32_t free_pages;
	77	uint32_t active_pages;
	78	uint32_t inactive_pages;
	79	uint32_t purgeable_pages;
	80	uint32_t wired_pages;
	81	uint32_t speculative_pages;
	82	uint32_t throttled_pages;
316670eb A	83	int busy_buffer_count;
	84	uint32_t pages_wanted;
	85	uint32_t pages_reclaimed;
	86	uint8_t pages_wanted_reclaimed_valid; // did mach_vm_pressure_monitor succeed?
6d2010ae A	87	} __attribute__((packed));
6d2010ae A	88
316670eb	89
b0d623f7 A	90	enum {
	91	kUser64_p = 0x1,
	92	kKernel64_p = 0x2,
6d2010ae	93	kHasDispatchSerial = 0x4,
316670eb A	94	kTerminatedSnapshot = 0x8,
	95	kPidSuspended = 0x10, // true for suspended task
	96	kFrozen = 0x20 // true for hibernated task (along with pidsuspended)
b0d623f7 A	97	};
b0d623f7 A	98
316670eb A	99	#define VM_PRESSURE_TIME_WINDOW 5 /* seconds */
316670eb A	100
b7266188	101	enum {
6d2010ae A	102	STACKSHOT_GET_DQ = 0x1,
	103	STACKSHOT_SAVE_LOADINFO = 0x2,
	104	STACKSHOT_GET_GLOBAL_MEM_STATS = 0x4
b7266188 A	105	};
b7266188 A	106
316670eb A	107	#define STACKSHOT_THREAD_SNAPSHOT_MAGIC 0xfeedface
	108	#define STACKSHOT_TASK_SNAPSHOT_MAGIC 0xdecafbad
	109	#define STACKSHOT_MEM_AND_IO_SNAPSHOT_MAGIC 0xbfcabcde
b0d623f7 A	110
	111	#endif /* __APPLE_API_UNSTABLE */
	112	#endif /* __APPLE_API_PRIVATE */
	113
91447636	114	#ifdef KERNEL_PRIVATE
1c79356b A	115
1c79356b A	116	extern unsigned int systemLogDiags;
593a1d5f	117	extern char debug_buf[];
b7266188	118	extern unsigned int debug_boot_arg;
6d2010ae	119	extern char kernel_uuid[];
1c79356b A	120
	121	#ifdef MACH_KERNEL_PRIVATE
	122
	123	extern unsigned int halt_in_debugger;
	124
	125	extern unsigned int switch_debugger;
	126
	127	extern unsigned int current_debugger;
	128	#define NO_CUR_DB 0x0
	129	#define KDP_CUR_DB 0x1
	130	#define KDB_CUR_DB 0x2
	131
6d2010ae	132	extern unsigned int active_debugger;
1c79356b	133	extern unsigned int debug_mode;
593a1d5f	134	extern unsigned int disable_debug_output;
9bccf70c	135
6d2010ae A	136	extern unsigned int panicDebugging;
6d2010ae A	137	extern unsigned int logPanicDataToScreen;
1c79356b A	138
	139	extern int db_run_mode;
	140
	141	/* modes the system may be running in */
	142
	143	#define STEP_NONE 0
	144	#define STEP_ONCE 1
	145	#define STEP_RETURN 2
	146	#define STEP_CALLT 3
	147	#define STEP_CONTINUE 4
	148	#define STEP_INVISIBLE 5
	149	#define STEP_COUNT 6
	150	#define STEP_TRACE 7 /* Show all calls to functions and returns */
	151
91447636 A	152	extern const char *panicstr;
91447636 A	153	extern volatile unsigned int nestedpanic;
2d21ac55	154	extern int unsigned long panic_caller;
1c79356b	155
9bccf70c A	156	extern char *debug_buf_ptr;
	157	extern unsigned int debug_buf_size;
	158
	159	extern void debug_log_init(void);
	160	extern void debug_putc(char);
	161
91447636 A	162	extern void panic_init(void);
91447636 A	163
2d21ac55 A	164	int packA(char *inbuf, uint32_t length, uint32_t buflen);
	165	void unpackA(char *inbuf, uint32_t length);
	166
	167	void panic_display_system_configuration(void);
c910b4d9	168	void panic_display_zprint(void);
6d2010ae A	169	#if CONFIG_ZLEAKS
	170	void panic_display_ztrace(void);
	171	#endif /* CONFIG_ZLEAKS */
1c79356b A	172	#endif /* MACH_KERNEL_PRIVATE */
	173
	174	#define DB_HALT 0x1
	175	#define DB_PRT 0x2
	176	#define DB_NMI 0x4
	177	#define DB_KPRT 0x8
	178	#define DB_KDB 0x10
	179	#define DB_SLOG 0x20
9bccf70c A	180	#define DB_ARP 0x40
	181	#define DB_KDP_BP_DIS 0x80
	182	#define DB_LOG_PI_SCRN 0x100
55e303ae	183	#define DB_KDP_GETC_ENA 0x200
9bccf70c	184
b0d623f7 A	185	#define DB_KERN_DUMP_ON_PANIC 0x400 /* Trigger core dump on panic*/
	186	#define DB_KERN_DUMP_ON_NMI 0x800 /* Trigger core dump on NMI */
	187	#define DB_DBG_POST_CORE 0x1000 /Wait in debugger after NMI core /
	188	#define DB_PANICLOG_DUMP 0x2000 /* Send paniclog on panic,not core*/
	189	#define DB_REBOOT_POST_CORE 0x4000 /* Attempt to reboot after
	190	* post-panic crashdump/paniclog
	191	* dump.
	192	*/
91447636	193
b0d623f7 A	194	#if DEBUG
	195	/*
	196	* For the DEBUG kernel, support the following:
	197	* sysctl -w debug.kprint_syscall=<syscall_mask>
	198	* sysctl -w debug.kprint_syscall_process=<p_comm>
	199	* <syscall_mask> should be an OR of the masks below
	200	* for UNIX, MACH, MDEP, or IPC. This debugging aid
	201	* assumes the task/process is locked/wired and will
	202	* not go away during evaluation. If no process is
	203	* specified, all processes will be traced
	204	*/
	205	extern int debug_kprint_syscall;
	206	extern int debug_kprint_current_process(const char **namep);
	207	#define DEBUG_KPRINT_SYSCALL_PREDICATE_INTERNAL(mask, namep) \
	208	( (debug_kprint_syscall & (mask)) && debug_kprint_current_process(namep) )
	209	#define DEBUG_KPRINT_SYSCALL_MASK(mask, fmt, args...) do { \
	210	const char *dks_name = NULL; \
	211	if (DEBUG_KPRINT_SYSCALL_PREDICATE_INTERNAL(mask, &dks_name)) { \
	212	kprintf("[%s%s%p]" fmt, dks_name ? dks_name : "", \
	213	dks_name ? "@" : "", current_thread(), args); \
	214	} \
	215	} while (0)
	216	#else /* !DEBUG */
	217	#define DEBUG_KPRINT_SYSCALL_PREDICATE_INTERNAL(mask, namep) (0)
316670eb	218	#define DEBUG_KPRINT_SYSCALL_MASK(mask, fmt, args...) do { } while (0) /* kprintf(fmt, args) */
b0d623f7 A	219	#endif /* !DEBUG */
	220
	221	enum {
	222	DEBUG_KPRINT_SYSCALL_UNIX_MASK = 1 << 0,
	223	DEBUG_KPRINT_SYSCALL_MACH_MASK = 1 << 1,
	224	DEBUG_KPRINT_SYSCALL_MDEP_MASK = 1 << 2,
	225	DEBUG_KPRINT_SYSCALL_IPC_MASK = 1 << 3
	226	};
	227
	228	#define DEBUG_KPRINT_SYSCALL_PREDICATE(mask) \
	229	DEBUG_KPRINT_SYSCALL_PREDICATE_INTERNAL(mask, NULL)
	230	#define DEBUG_KPRINT_SYSCALL_UNIX(fmt, args...) \
	231	DEBUG_KPRINT_SYSCALL_MASK(DEBUG_KPRINT_SYSCALL_UNIX_MASK,fmt,args)
	232	#define DEBUG_KPRINT_SYSCALL_MACH(fmt, args...) \
	233	DEBUG_KPRINT_SYSCALL_MASK(DEBUG_KPRINT_SYSCALL_MACH_MASK,fmt,args)
	234	#define DEBUG_KPRINT_SYSCALL_MDEP(fmt, args...) \
	235	DEBUG_KPRINT_SYSCALL_MASK(DEBUG_KPRINT_SYSCALL_MDEP_MASK,fmt,args)
	236	#define DEBUG_KPRINT_SYSCALL_IPC(fmt, args...) \
	237	DEBUG_KPRINT_SYSCALL_MASK(DEBUG_KPRINT_SYSCALL_IPC_MASK,fmt,args)
593a1d5f	238
91447636 A	239	#endif /* KERNEL_PRIVATE */
	240
	241	__BEGIN_DECLS
	242
2d21ac55	243	extern void panic(const char *string, ...) __printflike(1,2);
b0d623f7 A	244
	245	#if KERNEL_PRIVATE
	246	void _consume_panic_args(int, ...);
316670eb	247	void panic_context(unsigned int reason, void ctx, const char string, ...);
b0d623f7 A	248	#endif
b0d623f7 A	249
2d21ac55	250	#if CONFIG_NO_PANIC_STRINGS
b0d623f7 A	251	#if KERNEL_PRIVATE
	252	#define panic_plain(x, ...) _consume_panic_args( 0, ## __VA_ARGS__ )
	253	#define panic(x, ...) _consume_panic_args( 0, ## __VA_ARGS__ )
	254	#else
2d21ac55 A	255	#define panic_plain(...) (panic)((char *)0)
2d21ac55 A	256	#define panic(...) (panic)((char *)0)
b0d623f7	257	#endif
2d21ac55 A	258	#else /* CONFIGS_NO_PANIC_STRINGS */
	259	#define panic_plain(ex, ...) \
	260	(panic)(ex, ## __VA_ARGS__)
	261	#define __STRINGIFY(x) #x
	262	#define LINE_NUMBER(x) __STRINGIFY(x)
	263	#define PANIC_LOCATION __FILE__ ":" LINE_NUMBER(__LINE__)
	264	#define panic(ex, ...) \
	265	(panic)(# ex "@" PANIC_LOCATION, ## __VA_ARGS__)
	266	#endif /* CONFIGS_NO_PANIC_STRINGS */
	267
	268	void populate_model_name(char *);
	269	unsigned panic_active(void);
91447636	270	__END_DECLS
1c79356b A	271
1c79356b A	272	#endif /* _KERN_DEBUG_H_ */