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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
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)
22#define KDB_CMD_KGDB (-1005)
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
71/* Symbol table format returned by kallsyms. */
72typedef 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;
86extern int kallsyms_symbol_next(char *prefix_name, int flag, int buf_size);
87extern int kallsyms_symbol_complete(char *prefix_name, int max_len);
88
89/* Exported Symbols for kernel loadable modules to use. */
90extern int kdb_getarea_size(void *, unsigned long, size_t);
91extern 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
100extern int kdb_getphysword(unsigned long *word,
101 unsigned long addr, size_t size);
102extern int kdb_getword(unsigned long *, unsigned long, size_t);
103extern int kdb_putword(unsigned long, unsigned long, size_t);
104
105extern int kdbgetularg(const char *, unsigned long *);
106extern int kdbgetu64arg(const char *, u64 *);
107extern char *kdbgetenv(const char *);
108extern int kdbgetaddrarg(int, const char **, int*, unsigned long *,
109 long *, char **);
110extern int kdbgetsymval(const char *, kdb_symtab_t *);
111extern int kdbnearsym(unsigned long, kdb_symtab_t *);
112extern void kdbnearsym_cleanup(void);
113extern char *kdb_strdup(const char *str, gfp_t type);
114extern void kdb_symbol_print(unsigned long, const kdb_symtab_t *, unsigned int);
115
116/* Routine for debugging the debugger state. */
117extern void kdb_print_state(const char *, int);
118
119extern 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 */
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_WAIT_IPI 0x00002000 /* Waiting for kdb_ipi() NMI */
136#define KDB_STATE_RECURSE 0x00004000 /* Recursive entry to kdb */
137#define KDB_STATE_IP_ADJUSTED 0x00008000 /* Restart IP has been
138 * adjusted */
139#define KDB_STATE_GO1 0x00010000 /* go only releases one cpu */
140#define KDB_STATE_KEYBOARD 0x00020000 /* kdb entered via
141 * keyboard on this cpu */
142#define KDB_STATE_KEXEC 0x00040000 /* kexec issued */
143#define KDB_STATE_DOING_KGDB 0x00080000 /* kgdb enter now issued */
144#define KDB_STATE_KGDB_TRANS 0x00200000 /* Transition to kgdb */
145#define KDB_STATE_ARCH 0xff000000 /* Reserved for arch
146 * specific use */
147
148#define KDB_STATE(flag) (kdb_state & KDB_STATE_##flag)
149#define KDB_STATE_SET(flag) ((void)(kdb_state |= KDB_STATE_##flag))
150#define KDB_STATE_CLEAR(flag) ((void)(kdb_state &= ~KDB_STATE_##flag))
151
152extern int kdb_nextline; /* Current number of lines displayed */
153
154typedef struct _kdb_bp {
155 unsigned long bp_addr; /* Address breakpoint is present at */
156 unsigned int bp_free:1; /* This entry is available */
157 unsigned int bp_enabled:1; /* Breakpoint is active in register */
158 unsigned int bp_type:4; /* Uses hardware register */
159 unsigned int bp_installed:1; /* Breakpoint is installed */
160 unsigned int bp_delay:1; /* Do delayed bp handling */
161 unsigned int bp_delayed:1; /* Delayed breakpoint */
162 unsigned int bph_length; /* HW break length */
163} kdb_bp_t;
164
165#ifdef CONFIG_KGDB_KDB
166extern kdb_bp_t kdb_breakpoints[/* KDB_MAXBPT */];
167
168/* The KDB shell command table */
169typedef struct _kdbtab {
170 char *cmd_name; /* Command name */
171 kdb_func_t cmd_func; /* Function to execute command */
172 char *cmd_usage; /* Usage String for this command */
173 char *cmd_help; /* Help message for this command */
174 short cmd_minlen; /* Minimum legal # command
175 * chars required */
176 kdb_cmdflags_t cmd_flags; /* Command behaviour flags */
177} kdbtab_t;
178
179extern int kdb_bt(int, const char **); /* KDB display back trace */
180
181/* KDB breakpoint management functions */
182extern void kdb_initbptab(void);
183extern void kdb_bp_install(struct pt_regs *);
184extern void kdb_bp_remove(void);
185
186typedef enum {
187 KDB_DB_BPT, /* Breakpoint */
188 KDB_DB_SS, /* Single-step trap */
189 KDB_DB_SSBPT, /* Single step over breakpoint */
190 KDB_DB_NOBPT /* Spurious breakpoint */
191} kdb_dbtrap_t;
192
193extern int kdb_main_loop(kdb_reason_t, kdb_reason_t,
194 int, kdb_dbtrap_t, struct pt_regs *);
195
196/* Miscellaneous functions and data areas */
197extern int kdb_grepping_flag;
198#define KDB_GREPPING_FLAG_SEARCH 0x8000
199extern char kdb_grep_string[];
200#define KDB_GREP_STRLEN 256
201extern int kdb_grep_leading;
202extern int kdb_grep_trailing;
203extern char *kdb_cmds[];
204extern unsigned long kdb_task_state_string(const char *);
205extern char kdb_task_state_char (const struct task_struct *);
206extern unsigned long kdb_task_state(const struct task_struct *p,
207 unsigned long mask);
208extern void kdb_ps_suppressed(void);
209extern void kdb_ps1(const struct task_struct *p);
210extern void kdb_print_nameval(const char *name, unsigned long val);
211extern void kdb_send_sig(struct task_struct *p, int sig);
212extern void kdb_meminfo_proc_show(void);
213extern char *kdb_getstr(char *, size_t, const char *);
214extern void kdb_gdb_state_pass(char *buf);
215
216/* Defines for kdb_symbol_print */
217#define KDB_SP_SPACEB 0x0001 /* Space before string */
218#define KDB_SP_SPACEA 0x0002 /* Space after string */
219#define KDB_SP_PAREN 0x0004 /* Parenthesis around string */
220#define KDB_SP_VALUE 0x0008 /* Print the value of the address */
221#define KDB_SP_SYMSIZE 0x0010 /* Print the size of the symbol */
222#define KDB_SP_NEWLINE 0x0020 /* Newline after string */
223#define KDB_SP_DEFAULT (KDB_SP_VALUE|KDB_SP_PAREN)
224
225#define KDB_TSK(cpu) kgdb_info[cpu].task
226#define KDB_TSKREGS(cpu) kgdb_info[cpu].debuggerinfo
227
228extern struct task_struct *kdb_curr_task(int);
229
230#define kdb_task_has_cpu(p) (task_curr(p))
231
232/* Simplify coexistence with NPTL */
233#define kdb_do_each_thread(g, p) do_each_thread(g, p)
234#define kdb_while_each_thread(g, p) while_each_thread(g, p)
235
236#define GFP_KDB (in_interrupt() ? GFP_ATOMIC : GFP_KERNEL)
237
238extern void *debug_kmalloc(size_t size, gfp_t flags);
239extern void debug_kfree(void *);
240extern void debug_kusage(void);
241
242extern void kdb_set_current_task(struct task_struct *);
243extern struct task_struct *kdb_current_task;
244
245#ifdef CONFIG_KDB_KEYBOARD
246extern void kdb_kbd_cleanup_state(void);
247#else /* ! CONFIG_KDB_KEYBOARD */
248#define kdb_kbd_cleanup_state()
249#endif /* ! CONFIG_KDB_KEYBOARD */
250
251#ifdef CONFIG_MODULES
252extern struct list_head *kdb_modules;
253#endif /* CONFIG_MODULES */
254
255extern char kdb_prompt_str[];
256
257#define KDB_WORD_SIZE ((int)sizeof(unsigned long))
258
259#endif /* CONFIG_KGDB_KDB */
260#endif /* !_KDBPRIVATE_H */
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
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)
22#define KDB_CMD_SSB (-1004)
23#define KDB_CMD_KGDB (-1005)
24
25/* Internal debug flags */
26#define KDB_DEBUG_FLAG_BP 0x0002 /* Breakpoint subsystem debug */
27#define KDB_DEBUG_FLAG_BB_SUMM 0x0004 /* Basic block analysis, summary only */
28#define KDB_DEBUG_FLAG_AR 0x0008 /* Activation record, generic */
29#define KDB_DEBUG_FLAG_ARA 0x0010 /* Activation record, arch specific */
30#define KDB_DEBUG_FLAG_BB 0x0020 /* All basic block analysis */
31#define KDB_DEBUG_FLAG_STATE 0x0040 /* State flags */
32#define KDB_DEBUG_FLAG_MASK 0xffff /* All debug flags */
33#define KDB_DEBUG_FLAG_SHIFT 16 /* Shift factor for dbflags */
34
35#define KDB_DEBUG(flag) (kdb_flags & \
36 (KDB_DEBUG_FLAG_##flag << KDB_DEBUG_FLAG_SHIFT))
37#define KDB_DEBUG_STATE(text, value) if (KDB_DEBUG(STATE)) \
38 kdb_print_state(text, value)
39
40#if BITS_PER_LONG == 32
41
42#define KDB_PLATFORM_ENV "BYTESPERWORD=4"
43
44#define kdb_machreg_fmt "0x%lx"
45#define kdb_machreg_fmt0 "0x%08lx"
46#define kdb_bfd_vma_fmt "0x%lx"
47#define kdb_bfd_vma_fmt0 "0x%08lx"
48#define kdb_elfw_addr_fmt "0x%x"
49#define kdb_elfw_addr_fmt0 "0x%08x"
50#define kdb_f_count_fmt "%d"
51
52#elif BITS_PER_LONG == 64
53
54#define KDB_PLATFORM_ENV "BYTESPERWORD=8"
55
56#define kdb_machreg_fmt "0x%lx"
57#define kdb_machreg_fmt0 "0x%016lx"
58#define kdb_bfd_vma_fmt "0x%lx"
59#define kdb_bfd_vma_fmt0 "0x%016lx"
60#define kdb_elfw_addr_fmt "0x%x"
61#define kdb_elfw_addr_fmt0 "0x%016x"
62#define kdb_f_count_fmt "%ld"
63
64#endif
65
66/*
67 * KDB_MAXBPT describes the total number of breakpoints
68 * supported by this architecure.
69 */
70#define KDB_MAXBPT 16
71
72/* Symbol table format returned by kallsyms. */
73typedef struct __ksymtab {
74 unsigned long value; /* Address of symbol */
75 const char *mod_name; /* Module containing symbol or
76 * "kernel" */
77 unsigned long mod_start;
78 unsigned long mod_end;
79 const char *sec_name; /* Section containing symbol */
80 unsigned long sec_start;
81 unsigned long sec_end;
82 const char *sym_name; /* Full symbol name, including
83 * any version */
84 unsigned long sym_start;
85 unsigned long sym_end;
86 } kdb_symtab_t;
87extern int kallsyms_symbol_next(char *prefix_name, int flag);
88extern int kallsyms_symbol_complete(char *prefix_name, int max_len);
89
90/* Exported Symbols for kernel loadable modules to use. */
91extern int kdb_getarea_size(void *, unsigned long, size_t);
92extern int kdb_putarea_size(unsigned long, void *, size_t);
93
94/*
95 * Like get_user and put_user, kdb_getarea and kdb_putarea take variable
96 * names, not pointers. The underlying *_size functions take pointers.
97 */
98#define kdb_getarea(x, addr) kdb_getarea_size(&(x), addr, sizeof((x)))
99#define kdb_putarea(addr, x) kdb_putarea_size(addr, &(x), sizeof((x)))
100
101extern int kdb_getphysword(unsigned long *word,
102 unsigned long addr, size_t size);
103extern int kdb_getword(unsigned long *, unsigned long, size_t);
104extern int kdb_putword(unsigned long, unsigned long, size_t);
105
106extern int kdbgetularg(const char *, unsigned long *);
107extern int kdbgetu64arg(const char *, u64 *);
108extern char *kdbgetenv(const char *);
109extern int kdbgetaddrarg(int, const char **, int*, unsigned long *,
110 long *, char **);
111extern int kdbgetsymval(const char *, kdb_symtab_t *);
112extern int kdbnearsym(unsigned long, kdb_symtab_t *);
113extern void kdbnearsym_cleanup(void);
114extern char *kdb_strdup(const char *str, gfp_t type);
115extern void kdb_symbol_print(unsigned long, const kdb_symtab_t *, unsigned int);
116
117/* Routine for debugging the debugger state. */
118extern void kdb_print_state(const char *, int);
119
120extern int kdb_state;
121#define KDB_STATE_KDB 0x00000001 /* Cpu is inside kdb */
122#define KDB_STATE_LEAVING 0x00000002 /* Cpu is leaving kdb */
123#define KDB_STATE_CMD 0x00000004 /* Running a kdb command */
124#define KDB_STATE_KDB_CONTROL 0x00000008 /* This cpu is under
125 * kdb control */
126#define KDB_STATE_HOLD_CPU 0x00000010 /* Hold this cpu inside kdb */
127#define KDB_STATE_DOING_SS 0x00000020 /* Doing ss command */
128#define KDB_STATE_DOING_SSB 0x00000040 /* Doing ssb command,
129 * DOING_SS is also set */
130#define KDB_STATE_SSBPT 0x00000080 /* Install breakpoint
131 * after one ss, independent of
132 * DOING_SS */
133#define KDB_STATE_REENTRY 0x00000100 /* Valid re-entry into kdb */
134#define KDB_STATE_SUPPRESS 0x00000200 /* Suppress error messages */
135#define KDB_STATE_PAGER 0x00000400 /* pager is available */
136#define KDB_STATE_GO_SWITCH 0x00000800 /* go is switching
137 * back to initial cpu */
138#define KDB_STATE_PRINTF_LOCK 0x00001000 /* Holds kdb_printf lock */
139#define KDB_STATE_WAIT_IPI 0x00002000 /* Waiting for kdb_ipi() NMI */
140#define KDB_STATE_RECURSE 0x00004000 /* Recursive entry to kdb */
141#define KDB_STATE_IP_ADJUSTED 0x00008000 /* Restart IP has been
142 * adjusted */
143#define KDB_STATE_GO1 0x00010000 /* go only releases one cpu */
144#define KDB_STATE_KEYBOARD 0x00020000 /* kdb entered via
145 * keyboard on this cpu */
146#define KDB_STATE_KEXEC 0x00040000 /* kexec issued */
147#define KDB_STATE_DOING_KGDB 0x00080000 /* kgdb enter now issued */
148#define KDB_STATE_KGDB_TRANS 0x00200000 /* Transition to kgdb */
149#define KDB_STATE_ARCH 0xff000000 /* Reserved for arch
150 * specific use */
151
152#define KDB_STATE(flag) (kdb_state & KDB_STATE_##flag)
153#define KDB_STATE_SET(flag) ((void)(kdb_state |= KDB_STATE_##flag))
154#define KDB_STATE_CLEAR(flag) ((void)(kdb_state &= ~KDB_STATE_##flag))
155
156extern int kdb_nextline; /* Current number of lines displayed */
157
158typedef struct _kdb_bp {
159 unsigned long bp_addr; /* Address breakpoint is present at */
160 unsigned int bp_free:1; /* This entry is available */
161 unsigned int bp_enabled:1; /* Breakpoint is active in register */
162 unsigned int bp_type:4; /* Uses hardware register */
163 unsigned int bp_installed:1; /* Breakpoint is installed */
164 unsigned int bp_delay:1; /* Do delayed bp handling */
165 unsigned int bp_delayed:1; /* Delayed breakpoint */
166 unsigned int bph_length; /* HW break length */
167} kdb_bp_t;
168
169#ifdef CONFIG_KGDB_KDB
170extern kdb_bp_t kdb_breakpoints[/* KDB_MAXBPT */];
171
172/* The KDB shell command table */
173typedef struct _kdbtab {
174 char *cmd_name; /* Command name */
175 kdb_func_t cmd_func; /* Function to execute command */
176 char *cmd_usage; /* Usage String for this command */
177 char *cmd_help; /* Help message for this command */
178 short cmd_flags; /* Parsing flags */
179 short cmd_minlen; /* Minimum legal # command
180 * chars required */
181 kdb_repeat_t cmd_repeat; /* Does command auto repeat on enter? */
182} kdbtab_t;
183
184extern int kdb_bt(int, const char **); /* KDB display back trace */
185
186/* KDB breakpoint management functions */
187extern void kdb_initbptab(void);
188extern void kdb_bp_install(struct pt_regs *);
189extern void kdb_bp_remove(void);
190
191typedef enum {
192 KDB_DB_BPT, /* Breakpoint */
193 KDB_DB_SS, /* Single-step trap */
194 KDB_DB_SSB, /* Single step to branch */
195 KDB_DB_SSBPT, /* Single step over breakpoint */
196 KDB_DB_NOBPT /* Spurious breakpoint */
197} kdb_dbtrap_t;
198
199extern int kdb_main_loop(kdb_reason_t, kdb_reason_t,
200 int, kdb_dbtrap_t, struct pt_regs *);
201
202/* Miscellaneous functions and data areas */
203extern int kdb_grepping_flag;
204extern char kdb_grep_string[];
205extern int kdb_grep_leading;
206extern int kdb_grep_trailing;
207extern char *kdb_cmds[];
208extern void kdb_syslog_data(char *syslog_data[]);
209extern unsigned long kdb_task_state_string(const char *);
210extern char kdb_task_state_char (const struct task_struct *);
211extern unsigned long kdb_task_state(const struct task_struct *p,
212 unsigned long mask);
213extern void kdb_ps_suppressed(void);
214extern void kdb_ps1(const struct task_struct *p);
215extern void kdb_print_nameval(const char *name, unsigned long val);
216extern void kdb_send_sig_info(struct task_struct *p, struct siginfo *info);
217extern void kdb_meminfo_proc_show(void);
218extern char *kdb_getstr(char *, size_t, char *);
219extern void kdb_gdb_state_pass(char *buf);
220
221/* Defines for kdb_symbol_print */
222#define KDB_SP_SPACEB 0x0001 /* Space before string */
223#define KDB_SP_SPACEA 0x0002 /* Space after string */
224#define KDB_SP_PAREN 0x0004 /* Parenthesis around string */
225#define KDB_SP_VALUE 0x0008 /* Print the value of the address */
226#define KDB_SP_SYMSIZE 0x0010 /* Print the size of the symbol */
227#define KDB_SP_NEWLINE 0x0020 /* Newline after string */
228#define KDB_SP_DEFAULT (KDB_SP_VALUE|KDB_SP_PAREN)
229
230#define KDB_TSK(cpu) kgdb_info[cpu].task
231#define KDB_TSKREGS(cpu) kgdb_info[cpu].debuggerinfo
232
233extern struct task_struct *kdb_curr_task(int);
234
235#define kdb_task_has_cpu(p) (task_curr(p))
236
237/* Simplify coexistence with NPTL */
238#define kdb_do_each_thread(g, p) do_each_thread(g, p)
239#define kdb_while_each_thread(g, p) while_each_thread(g, p)
240
241#define GFP_KDB (in_interrupt() ? GFP_ATOMIC : GFP_KERNEL)
242
243extern void *debug_kmalloc(size_t size, gfp_t flags);
244extern void debug_kfree(void *);
245extern void debug_kusage(void);
246
247extern void kdb_set_current_task(struct task_struct *);
248extern struct task_struct *kdb_current_task;
249#ifdef CONFIG_MODULES
250extern struct list_head *kdb_modules;
251#endif /* CONFIG_MODULES */
252
253extern char kdb_prompt_str[];
254
255#define KDB_WORD_SIZE ((int)sizeof(unsigned long))
256
257#endif /* CONFIG_KGDB_KDB */
258#endif /* !_KDBPRIVATE_H */