[linux.git] / kernel / debug / kdb / kdb_private.h

#ifndef _KDBPRIVATE_H
#define _KDBPRIVATE_H

/*
 * Kernel Debugger Architecture Independent Private Headers
 *
 * 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.
 *
 * Copyright (c) 2000-2004 Silicon Graphics, Inc.  All Rights Reserved.
 * Copyright (c) 2009 Wind River Systems, Inc.  All Rights Reserved.
 */

#include <linux/kgdb.h>
#include "../debug_core.h"

/* Kernel Debugger Command codes.  Must not overlap with error codes. */
#define KDB_CMD_GO	(-1001)
#define KDB_CMD_CPU	(-1002)
#define KDB_CMD_SS	(-1003)
#define KDB_CMD_KGDB (-1005)

/* Internal debug flags */
#define KDB_DEBUG_FLAG_BP	0x0002	/* Breakpoint subsystem debug */
#define KDB_DEBUG_FLAG_BB_SUMM	0x0004	/* Basic block analysis, summary only */
#define KDB_DEBUG_FLAG_AR	0x0008	/* Activation record, generic */
#define KDB_DEBUG_FLAG_ARA	0x0010	/* Activation record, arch specific */
#define KDB_DEBUG_FLAG_BB	0x0020	/* All basic block analysis */
#define KDB_DEBUG_FLAG_STATE	0x0040	/* State flags */
#define KDB_DEBUG_FLAG_MASK	0xffff	/* All debug flags */
#define KDB_DEBUG_FLAG_SHIFT	16	/* Shift factor for dbflags */

#define KDB_DEBUG(flag)	(kdb_flags & \
	(KDB_DEBUG_FLAG_##flag << KDB_DEBUG_FLAG_SHIFT))
#define KDB_DEBUG_STATE(text, value) if (KDB_DEBUG(STATE)) \
		kdb_print_state(text, value)

#if BITS_PER_LONG == 32

#define KDB_PLATFORM_ENV	"BYTESPERWORD=4"

#define kdb_machreg_fmt		"0x%lx"
#define kdb_machreg_fmt0	"0x%08lx"
#define kdb_bfd_vma_fmt		"0x%lx"
#define kdb_bfd_vma_fmt0	"0x%08lx"
#define kdb_elfw_addr_fmt	"0x%x"
#define kdb_elfw_addr_fmt0	"0x%08x"
#define kdb_f_count_fmt		"%d"

#elif BITS_PER_LONG == 64

#define KDB_PLATFORM_ENV	"BYTESPERWORD=8"

#define kdb_machreg_fmt		"0x%lx"
#define kdb_machreg_fmt0	"0x%016lx"
#define kdb_bfd_vma_fmt		"0x%lx"
#define kdb_bfd_vma_fmt0	"0x%016lx"
#define kdb_elfw_addr_fmt	"0x%x"
#define kdb_elfw_addr_fmt0	"0x%016x"
#define kdb_f_count_fmt		"%ld"

#endif

/*
 * KDB_MAXBPT describes the total number of breakpoints
 * supported by this architecure.
 */
#define KDB_MAXBPT	16

/* Symbol table format returned by kallsyms. */
typedef struct __ksymtab {
		unsigned long value;	/* Address of symbol */
		const char *mod_name;	/* Module containing symbol or
					 * "kernel" */
		unsigned long mod_start;
		unsigned long mod_end;
		const char *sec_name;	/* Section containing symbol */
		unsigned long sec_start;
		unsigned long sec_end;
		const char *sym_name;	/* Full symbol name, including
					 * any version */
		unsigned long sym_start;
		unsigned long sym_end;
		} kdb_symtab_t;
extern int kallsyms_symbol_next(char *prefix_name, int flag);
extern int kallsyms_symbol_complete(char *prefix_name, int max_len);

/* Exported Symbols for kernel loadable modules to use. */
extern int kdb_getarea_size(void *, unsigned long, size_t);
extern int kdb_putarea_size(unsigned long, void *, size_t);

/*
 * Like get_user and put_user, kdb_getarea and kdb_putarea take variable
 * names, not pointers.  The underlying *_size functions take pointers.
 */
#define kdb_getarea(x, addr) kdb_getarea_size(&(x), addr, sizeof((x)))
#define kdb_putarea(addr, x) kdb_putarea_size(addr, &(x), sizeof((x)))

extern int kdb_getphysword(unsigned long *word,
			unsigned long addr, size_t size);
extern int kdb_getword(unsigned long *, unsigned long, size_t);
extern int kdb_putword(unsigned long, unsigned long, size_t);

extern int kdbgetularg(const char *, unsigned long *);
extern int kdbgetu64arg(const char *, u64 *);
extern char *kdbgetenv(const char *);
extern int kdbgetaddrarg(int, const char **, int*, unsigned long *,
			 long *, char **);
extern int kdbgetsymval(const char *, kdb_symtab_t *);
extern int kdbnearsym(unsigned long, kdb_symtab_t *);
extern void kdbnearsym_cleanup(void);
extern char *kdb_strdup(const char *str, gfp_t type);
extern void kdb_symbol_print(unsigned long, const kdb_symtab_t *, unsigned int);

/* Routine for debugging the debugger state. */
extern void kdb_print_state(const char *, int);

extern int kdb_state;
#define KDB_STATE_KDB		0x00000001	/* Cpu is inside kdb */
#define KDB_STATE_LEAVING	0x00000002	/* Cpu is leaving kdb */
#define KDB_STATE_CMD		0x00000004	/* Running a kdb command */
#define KDB_STATE_KDB_CONTROL	0x00000008	/* This cpu is under
						 * kdb control */
#define KDB_STATE_HOLD_CPU	0x00000010	/* Hold this cpu inside kdb */
#define KDB_STATE_DOING_SS	0x00000020	/* Doing ss command */
#define KDB_STATE_SSBPT		0x00000080	/* Install breakpoint
						 * after one ss, independent of
						 * DOING_SS */
#define KDB_STATE_REENTRY	0x00000100	/* Valid re-entry into kdb */
#define KDB_STATE_SUPPRESS	0x00000200	/* Suppress error messages */
#define KDB_STATE_PAGER		0x00000400	/* pager is available */
#define KDB_STATE_GO_SWITCH	0x00000800	/* go is switching
						 * back to initial cpu */
#define KDB_STATE_PRINTF_LOCK	0x00001000	/* Holds kdb_printf lock */
#define KDB_STATE_WAIT_IPI	0x00002000	/* Waiting for kdb_ipi() NMI */
#define KDB_STATE_RECURSE	0x00004000	/* Recursive entry to kdb */
#define KDB_STATE_IP_ADJUSTED	0x00008000	/* Restart IP has been
						 * adjusted */
#define KDB_STATE_GO1		0x00010000	/* go only releases one cpu */
#define KDB_STATE_KEYBOARD	0x00020000	/* kdb entered via
						 * keyboard on this cpu */
#define KDB_STATE_KEXEC		0x00040000	/* kexec issued */
#define KDB_STATE_DOING_KGDB	0x00080000	/* kgdb enter now issued */
#define KDB_STATE_KGDB_TRANS	0x00200000	/* Transition to kgdb */
#define KDB_STATE_ARCH		0xff000000	/* Reserved for arch
						 * specific use */

#define KDB_STATE(flag) (kdb_state & KDB_STATE_##flag)
#define KDB_STATE_SET(flag) ((void)(kdb_state |= KDB_STATE_##flag))
#define KDB_STATE_CLEAR(flag) ((void)(kdb_state &= ~KDB_STATE_##flag))

extern int kdb_nextline; /* Current number of lines displayed */

typedef struct _kdb_bp {
	unsigned long	bp_addr;	/* Address breakpoint is present at */
	unsigned int	bp_free:1;	/* This entry is available */
	unsigned int	bp_enabled:1;	/* Breakpoint is active in register */
	unsigned int	bp_type:4;	/* Uses hardware register */
	unsigned int	bp_installed:1;	/* Breakpoint is installed */
	unsigned int	bp_delay:1;	/* Do delayed bp handling */
	unsigned int	bp_delayed:1;	/* Delayed breakpoint */
	unsigned int	bph_length;	/* HW break length */
} kdb_bp_t;

#ifdef CONFIG_KGDB_KDB
extern kdb_bp_t kdb_breakpoints[/* KDB_MAXBPT */];

/* The KDB shell command table */
typedef struct _kdbtab {
	char    *cmd_name;		/* Command name */
	kdb_func_t cmd_func;		/* Function to execute command */
	char    *cmd_usage;		/* Usage String for this command */
	char    *cmd_help;		/* Help message for this command */
	short    cmd_minlen;		/* Minimum legal # command
					 * chars required */
	kdb_cmdflags_t cmd_flags;	/* Command behaviour flags */
} kdbtab_t;

extern int kdb_bt(int, const char **);	/* KDB display back trace */

/* KDB breakpoint management functions */
extern void kdb_initbptab(void);
extern void kdb_bp_install(struct pt_regs *);
extern void kdb_bp_remove(void);

typedef enum {
	KDB_DB_BPT,	/* Breakpoint */
	KDB_DB_SS,	/* Single-step trap */
	KDB_DB_SSBPT,	/* Single step over breakpoint */
	KDB_DB_NOBPT	/* Spurious breakpoint */
} kdb_dbtrap_t;

extern int kdb_main_loop(kdb_reason_t, kdb_reason_t,
			 int, kdb_dbtrap_t, struct pt_regs *);

/* Miscellaneous functions and data areas */
extern int kdb_grepping_flag;
extern char kdb_grep_string[];
extern int kdb_grep_leading;
extern int kdb_grep_trailing;
extern char *kdb_cmds[];
extern unsigned long kdb_task_state_string(const char *);
extern char kdb_task_state_char (const struct task_struct *);
extern unsigned long kdb_task_state(const struct task_struct *p,
				    unsigned long mask);
extern void kdb_ps_suppressed(void);
extern void kdb_ps1(const struct task_struct *p);
extern void kdb_print_nameval(const char *name, unsigned long val);
extern void kdb_send_sig_info(struct task_struct *p, struct siginfo *info);
extern void kdb_meminfo_proc_show(void);
extern char *kdb_getstr(char *, size_t, char *);
extern void kdb_gdb_state_pass(char *buf);

/* Defines for kdb_symbol_print */
#define KDB_SP_SPACEB	0x0001		/* Space before string */
#define KDB_SP_SPACEA	0x0002		/* Space after string */
#define KDB_SP_PAREN	0x0004		/* Parenthesis around string */
#define KDB_SP_VALUE	0x0008		/* Print the value of the address */
#define KDB_SP_SYMSIZE	0x0010		/* Print the size of the symbol */
#define KDB_SP_NEWLINE	0x0020		/* Newline after string */
#define KDB_SP_DEFAULT (KDB_SP_VALUE|KDB_SP_PAREN)

#define KDB_TSK(cpu) kgdb_info[cpu].task
#define KDB_TSKREGS(cpu) kgdb_info[cpu].debuggerinfo

extern struct task_struct *kdb_curr_task(int);

#define kdb_task_has_cpu(p) (task_curr(p))

/* Simplify coexistence with NPTL */
#define	kdb_do_each_thread(g, p) do_each_thread(g, p)
#define	kdb_while_each_thread(g, p) while_each_thread(g, p)

#define GFP_KDB (in_interrupt() ? GFP_ATOMIC : GFP_KERNEL)

extern void *debug_kmalloc(size_t size, gfp_t flags);
extern void debug_kfree(void *);
extern void debug_kusage(void);

extern void kdb_set_current_task(struct task_struct *);
extern struct task_struct *kdb_current_task;

#ifdef CONFIG_KDB_KEYBOARD
extern void kdb_kbd_cleanup_state(void);
#else /* ! CONFIG_KDB_KEYBOARD */
#define kdb_kbd_cleanup_state()
#endif /* ! CONFIG_KDB_KEYBOARD */

#ifdef CONFIG_MODULES
extern struct list_head *kdb_modules;
#endif /* CONFIG_MODULES */

extern char kdb_prompt_str[];

#define	KDB_WORD_SIZE	((int)sizeof(unsigned long))

#endif /* CONFIG_KGDB_KDB */
#endif	/* !_KDBPRIVATE_H */
Commit	Line	Data
5d5314d6 JW	1	#ifndef _KDBPRIVATE_H
	2	#define _KDBPRIVATE_H
	3
	4	/*
	5	* Kernel Debugger Architecture Independent Private Headers
	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	* Copyright (c) 2000-2004 Silicon Graphics, Inc. All Rights Reserved.
	12	* Copyright (c) 2009 Wind River Systems, Inc. All Rights Reserved.
	13	*/
	14
	15	#include <linux/kgdb.h>
	16	#include "../debug_core.h"
	17
5d5314d6 JW	18	/* Kernel Debugger Command codes. Must not overlap with error codes. */
	19	#define KDB_CMD_GO (-1001)
	20	#define KDB_CMD_CPU (-1002)
	21	#define KDB_CMD_SS (-1003)
5d5314d6	22	#define KDB_CMD_KGDB (-1005)
5d5314d6 JW	23
	24	/* Internal debug flags */
	25	#define KDB_DEBUG_FLAG_BP 0x0002 /* Breakpoint subsystem debug */
	26	#define KDB_DEBUG_FLAG_BB_SUMM 0x0004 /* Basic block analysis, summary only */
	27	#define KDB_DEBUG_FLAG_AR 0x0008 /* Activation record, generic */
	28	#define KDB_DEBUG_FLAG_ARA 0x0010 /* Activation record, arch specific */
	29	#define KDB_DEBUG_FLAG_BB 0x0020 /* All basic block analysis */
	30	#define KDB_DEBUG_FLAG_STATE 0x0040 /* State flags */
	31	#define KDB_DEBUG_FLAG_MASK 0xffff /* All debug flags */
	32	#define KDB_DEBUG_FLAG_SHIFT 16 /* Shift factor for dbflags */
	33
	34	#define KDB_DEBUG(flag) (kdb_flags & \
	35	(KDB_DEBUG_FLAG_##flag << KDB_DEBUG_FLAG_SHIFT))
	36	#define KDB_DEBUG_STATE(text, value) if (KDB_DEBUG(STATE)) \
	37	kdb_print_state(text, value)
	38
	39	#if BITS_PER_LONG == 32
	40
	41	#define KDB_PLATFORM_ENV "BYTESPERWORD=4"
	42
	43	#define kdb_machreg_fmt "0x%lx"
	44	#define kdb_machreg_fmt0 "0x%08lx"
	45	#define kdb_bfd_vma_fmt "0x%lx"
	46	#define kdb_bfd_vma_fmt0 "0x%08lx"
	47	#define kdb_elfw_addr_fmt "0x%x"
	48	#define kdb_elfw_addr_fmt0 "0x%08x"
	49	#define kdb_f_count_fmt "%d"
	50
	51	#elif BITS_PER_LONG == 64
	52
	53	#define KDB_PLATFORM_ENV "BYTESPERWORD=8"
	54
	55	#define kdb_machreg_fmt "0x%lx"
	56	#define kdb_machreg_fmt0 "0x%016lx"
	57	#define kdb_bfd_vma_fmt "0x%lx"
	58	#define kdb_bfd_vma_fmt0 "0x%016lx"
	59	#define kdb_elfw_addr_fmt "0x%x"
	60	#define kdb_elfw_addr_fmt0 "0x%016x"
	61	#define kdb_f_count_fmt "%ld"
	62
	63	#endif
	64
	65	/*
	66	* KDB_MAXBPT describes the total number of breakpoints
	67	* supported by this architecure.
	68	*/
	69	#define KDB_MAXBPT 16
	70
5d5314d6 JW	71	/* Symbol table format returned by kallsyms. */
	72	typedef struct __ksymtab {
	73	unsigned long value; /* Address of symbol */
	74	const char mod_name; / Module containing symbol or
	75	* "kernel" */
	76	unsigned long mod_start;
	77	unsigned long mod_end;
	78	const char sec_name; / Section containing symbol */
	79	unsigned long sec_start;
	80	unsigned long sec_end;
	81	const char sym_name; / Full symbol name, including
	82	* any version */
	83	unsigned long sym_start;
	84	unsigned long sym_end;
	85	} kdb_symtab_t;
	86	extern int kallsyms_symbol_next(char *prefix_name, int flag);
	87	extern int kallsyms_symbol_complete(char *prefix_name, int max_len);
	88
	89	/* Exported Symbols for kernel loadable modules to use. */
5d5314d6 JW	90	extern int kdb_getarea_size(void *, unsigned long, size_t);
	91	extern int kdb_putarea_size(unsigned long, void *, size_t);
	92
	93	/*
	94	* Like get_user and put_user, kdb_getarea and kdb_putarea take variable
	95	* names, not pointers. The underlying *_size functions take pointers.
	96	*/
	97	#define kdb_getarea(x, addr) kdb_getarea_size(&(x), addr, sizeof((x)))
	98	#define kdb_putarea(addr, x) kdb_putarea_size(addr, &(x), sizeof((x)))
	99
	100	extern int kdb_getphysword(unsigned long *word,
	101	unsigned long addr, size_t size);
	102	extern int kdb_getword(unsigned long *, unsigned long, size_t);
	103	extern int kdb_putword(unsigned long, unsigned long, size_t);
	104
	105	extern int kdbgetularg(const char , unsigned long );
91b152aa	106	extern int kdbgetu64arg(const char , u64 );
5d5314d6	107	extern char kdbgetenv(const char );
5d5314d6 JW	108	extern int kdbgetaddrarg(int, const char *, int, unsigned long *,
	109	long , char *);
	110	extern int kdbgetsymval(const char , kdb_symtab_t );
	111	extern int kdbnearsym(unsigned long, kdb_symtab_t *);
	112	extern void kdbnearsym_cleanup(void);
	113	extern char kdb_strdup(const char str, gfp_t type);
	114	extern void kdb_symbol_print(unsigned long, const kdb_symtab_t *, unsigned int);
	115
	116	/* Routine for debugging the debugger state. */
	117	extern void kdb_print_state(const char *, int);
	118
	119	extern int kdb_state;
	120	#define KDB_STATE_KDB 0x00000001 /* Cpu is inside kdb */
	121	#define KDB_STATE_LEAVING 0x00000002 /* Cpu is leaving kdb */
	122	#define KDB_STATE_CMD 0x00000004 /* Running a kdb command */
	123	#define KDB_STATE_KDB_CONTROL 0x00000008 /* This cpu is under
	124	* kdb control */
	125	#define KDB_STATE_HOLD_CPU 0x00000010 /* Hold this cpu inside kdb */
	126	#define KDB_STATE_DOING_SS 0x00000020 /* Doing ss command */
5d5314d6 JW	127	#define KDB_STATE_SSBPT 0x00000080 /* Install breakpoint
	128	* after one ss, independent of
	129	* DOING_SS */
	130	#define KDB_STATE_REENTRY 0x00000100 /* Valid re-entry into kdb */
	131	#define KDB_STATE_SUPPRESS 0x00000200 /* Suppress error messages */
	132	#define KDB_STATE_PAGER 0x00000400 /* pager is available */
	133	#define KDB_STATE_GO_SWITCH 0x00000800 /* go is switching
	134	* back to initial cpu */
	135	#define KDB_STATE_PRINTF_LOCK 0x00001000 /* Holds kdb_printf lock */
	136	#define KDB_STATE_WAIT_IPI 0x00002000 /* Waiting for kdb_ipi() NMI */
	137	#define KDB_STATE_RECURSE 0x00004000 /* Recursive entry to kdb */
	138	#define KDB_STATE_IP_ADJUSTED 0x00008000 /* Restart IP has been
	139	* adjusted */
	140	#define KDB_STATE_GO1 0x00010000 /* go only releases one cpu */
	141	#define KDB_STATE_KEYBOARD 0x00020000 /* kdb entered via
	142	* keyboard on this cpu */
	143	#define KDB_STATE_KEXEC 0x00040000 /* kexec issued */
	144	#define KDB_STATE_DOING_KGDB 0x00080000 /* kgdb enter now issued */
5d5314d6 JW	145	#define KDB_STATE_KGDB_TRANS 0x00200000 /* Transition to kgdb */
	146	#define KDB_STATE_ARCH 0xff000000 /* Reserved for arch
	147	* specific use */
	148
	149	#define KDB_STATE(flag) (kdb_state & KDB_STATE_##flag)
	150	#define KDB_STATE_SET(flag) ((void)(kdb_state \|= KDB_STATE_##flag))
	151	#define KDB_STATE_CLEAR(flag) ((void)(kdb_state &= ~KDB_STATE_##flag))
	152
	153	extern int kdb_nextline; /* Current number of lines displayed */
	154
	155	typedef struct _kdb_bp {
	156	unsigned long bp_addr; /* Address breakpoint is present at */
	157	unsigned int bp_free:1; /* This entry is available */
	158	unsigned int bp_enabled:1; /* Breakpoint is active in register */
	159	unsigned int bp_type:4; /* Uses hardware register */
	160	unsigned int bp_installed:1; /* Breakpoint is installed */
	161	unsigned int bp_delay:1; /* Do delayed bp handling */
	162	unsigned int bp_delayed:1; /* Delayed breakpoint */
	163	unsigned int bph_length; /* HW break length */
	164	} kdb_bp_t;
	165
	166	#ifdef CONFIG_KGDB_KDB
	167	extern kdb_bp_t kdb_breakpoints[/* KDB_MAXBPT */];
	168
	169	/* The KDB shell command table */
	170	typedef struct _kdbtab {
	171	char cmd_name; / Command name */
	172	kdb_func_t cmd_func; /* Function to execute command */
	173	char cmd_usage; / Usage String for this command */
	174	char cmd_help; / Help message for this command */
5d5314d6 JW	175	short cmd_minlen; /* Minimum legal # command
5d5314d6 JW	176	* chars required */
15a42a9b	177	kdb_cmdflags_t cmd_flags; /* Command behaviour flags */
5d5314d6 JW	178	} kdbtab_t;
	179
	180	extern int kdb_bt(int, const char *); / KDB display back trace */
	181
	182	/* KDB breakpoint management functions */
	183	extern void kdb_initbptab(void);
	184	extern void kdb_bp_install(struct pt_regs *);
	185	extern void kdb_bp_remove(void);
	186
	187	typedef enum {
	188	KDB_DB_BPT, /* Breakpoint */
	189	KDB_DB_SS, /* Single-step trap */
5d5314d6 JW	190	KDB_DB_SSBPT, /* Single step over breakpoint */
	191	KDB_DB_NOBPT /* Spurious breakpoint */
	192	} kdb_dbtrap_t;
	193
	194	extern int kdb_main_loop(kdb_reason_t, kdb_reason_t,
	195	int, kdb_dbtrap_t, struct pt_regs *);
	196
	197	/* Miscellaneous functions and data areas */
	198	extern int kdb_grepping_flag;
	199	extern char kdb_grep_string[];
	200	extern int kdb_grep_leading;
	201	extern int kdb_grep_trailing;
	202	extern char *kdb_cmds[];
5d5314d6 JW	203	extern unsigned long kdb_task_state_string(const char *);
	204	extern char kdb_task_state_char (const struct task_struct *);
	205	extern unsigned long kdb_task_state(const struct task_struct *p,
	206	unsigned long mask);
	207	extern void kdb_ps_suppressed(void);
	208	extern void kdb_ps1(const struct task_struct *p);
5d5314d6 JW	209	extern void kdb_print_nameval(const char *name, unsigned long val);
	210	extern void kdb_send_sig_info(struct task_struct p, struct siginfo info);
	211	extern void kdb_meminfo_proc_show(void);
5d5314d6	212	extern char kdb_getstr(char , size_t, char *);
f679c498	213	extern void kdb_gdb_state_pass(char *buf);
5d5314d6 JW	214
	215	/* Defines for kdb_symbol_print */
	216	#define KDB_SP_SPACEB 0x0001 /* Space before string */
	217	#define KDB_SP_SPACEA 0x0002 /* Space after string */
	218	#define KDB_SP_PAREN 0x0004 /* Parenthesis around string */
	219	#define KDB_SP_VALUE 0x0008 /* Print the value of the address */
	220	#define KDB_SP_SYMSIZE 0x0010 /* Print the size of the symbol */
	221	#define KDB_SP_NEWLINE 0x0020 /* Newline after string */
	222	#define KDB_SP_DEFAULT (KDB_SP_VALUE\|KDB_SP_PAREN)
	223
	224	#define KDB_TSK(cpu) kgdb_info[cpu].task
	225	#define KDB_TSKREGS(cpu) kgdb_info[cpu].debuggerinfo
	226
	227	extern struct task_struct *kdb_curr_task(int);
	228
	229	#define kdb_task_has_cpu(p) (task_curr(p))
	230
	231	/* Simplify coexistence with NPTL */
	232	#define kdb_do_each_thread(g, p) do_each_thread(g, p)
	233	#define kdb_while_each_thread(g, p) while_each_thread(g, p)
	234
	235	#define GFP_KDB (in_interrupt() ? GFP_ATOMIC : GFP_KERNEL)
	236
	237	extern void *debug_kmalloc(size_t size, gfp_t flags);
	238	extern void debug_kfree(void *);
	239	extern void debug_kusage(void);
	240
	241	extern void kdb_set_current_task(struct task_struct *);
	242	extern struct task_struct *kdb_current_task;
8f30d411 AW	243
	244	#ifdef CONFIG_KDB_KEYBOARD
	245	extern void kdb_kbd_cleanup_state(void);
	246	#else /* ! CONFIG_KDB_KEYBOARD */
	247	#define kdb_kbd_cleanup_state()
	248	#endif /* ! CONFIG_KDB_KEYBOARD */
	249
5d5314d6 JW	250	#ifdef CONFIG_MODULES
	251	extern struct list_head *kdb_modules;
	252	#endif /* CONFIG_MODULES */
	253
	254	extern char kdb_prompt_str[];
	255
	256	#define KDB_WORD_SIZE ((int)sizeof(unsigned long))
	257
	258	#endif /* CONFIG_KGDB_KDB */
	259	#endif /* !_KDBPRIVATE_H */