Remove useless belt and suspenders include guards in some of our headers.
[dragonfly.git] / sys / ddb / ddb.h
1 /*-
2  * Copyright (c) 1993, Garrett A. Wollman.
3  * Copyright (c) 1993, University of Vermont and State Agricultural College.
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. Neither the name of the University nor the names of its contributors
15  *    may be used to endorse or promote products derived from this software
16  *    without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  *
30  * $FreeBSD: src/sys/ddb/ddb.h,v 1.24.2.2 2002/08/30 22:27:49 gibbs Exp $
31  */
32
33 /*
34  * Necessary declarations for the `ddb' kernel debugger.
35  */
36
37 #ifndef _DDB_DDB_H_
38 #define _DDB_DDB_H_
39
40 #ifndef _SYS_QUEUE_H_
41 #include <sys/queue.h>
42 #endif
43
44 #include <machine/db_machdep.h>         /* type definitions */
45
46 #ifndef _MACHINE_GLOBALDATA_H_
47 #include <machine/globaldata.h>
48 #endif
49
50 typedef void db_cmdfcn_t (db_expr_t addr, boolean_t have_addr,
51                               db_expr_t count, char *modif);
52
53 #define DB_COMMAND(cmd_name, func_name) \
54         DB_SET(cmd_name, func_name, db_cmd_set, 0, NULL)
55 #define DB_SHOW_COMMAND(cmd_name, func_name) \
56         DB_SET(cmd_name, func_name, db_show_cmd_set, 0, NULL)
57
58 #define DB_SET(cmd_name, func_name, set, flag, more)            \
59 static db_cmdfcn_t      func_name;                              \
60                                                                 \
61 static const struct command __CONCAT(func_name,_cmd) = {        \
62         __STRING(cmd_name),                                     \
63         func_name,                                              \
64         flag,                                                   \
65         more                                                    \
66 };                                                              \
67 TEXT_SET(set, __CONCAT(func_name,_cmd));                        \
68                                                                 \
69 static void                                                     \
70 func_name(db_expr_t addr, boolean_t have_addr, db_expr_t count, \
71           char *modif)
72
73 extern char *esym;
74 extern db_expr_t db_maxoff;
75 extern int db_active;
76 extern int db_indent;
77 extern int db_inst_count;
78 extern int db_load_count;
79 extern int debugger_on_panic;
80 extern int db_store_count;
81 extern db_expr_t db_radix;
82 extern db_expr_t db_max_width;
83 extern db_expr_t db_tab_stop_width;
84
85 struct vm_map;
86
87 int             db_more(int *nl);
88 void            db_check_interrupt (void);
89 void            db_clear_watchpoints (void);
90 db_addr_t       db_disasm (db_addr_t loc, boolean_t altfmt, db_regs_t *regs);
91                                 /* instruction disassembler */
92 void            db_error (char *s);
93 int             db_expression (db_expr_t *valuep);
94 int             db_get_variable (db_expr_t *valuep);
95 void            db_iprintf (const char *,...) __printflike(1, 2);
96 struct vm_map   *db_map_addr (vm_offset_t);
97 boolean_t       db_map_current (struct vm_map *);
98 boolean_t       db_map_equal (struct vm_map *, struct vm_map *);
99 void            db_print_loc_and_inst (db_addr_t loc, db_regs_t *regs);
100 void            db_printf (const char *fmt, ...) __printflike(1, 2);
101 void            db_vprintf (const char *fmt, __va_list va) __printflike(1, 0);
102 void            db_read_bytes (vm_offset_t addr, size_t size, char *data);
103                                 /* machine-dependent */
104 int             db_readline (char *lstart, int lsize);
105 void            db_restart_at_pc (boolean_t watchpt);
106 void            db_set_watchpoints (void);
107 void            db_skip_to_eol (void);
108 boolean_t       db_stop_at_pc (boolean_t *is_breakpoint);
109 #define         db_strcpy       strcpy
110 void            db_trap (int type, int code);
111 int             db_value_of_name (const char *name, db_expr_t *valuep);
112 void            db_write_bytes (vm_offset_t addr, size_t size, char *data);
113                                 /* machine-dependent */
114 void            kdb_init (void);
115
116 db_cmdfcn_t     db_breakpoint_cmd;
117 db_cmdfcn_t     db_continue_cmd;
118 db_cmdfcn_t     db_delete_cmd;
119 db_cmdfcn_t     db_deletehwatch_cmd;
120 db_cmdfcn_t     db_deletewatch_cmd;
121 db_cmdfcn_t     db_examine_cmd;
122 db_cmdfcn_t     db_hwatchpoint_cmd;
123 db_cmdfcn_t     db_listbreak_cmd;
124 db_cmdfcn_t     db_print_cmd;
125 db_cmdfcn_t     db_ps;
126 db_cmdfcn_t     db_search_cmd;
127 db_cmdfcn_t     db_set_cmd;
128 db_cmdfcn_t     db_show_regs;
129 db_cmdfcn_t     db_single_step_cmd;
130 db_cmdfcn_t     db_stack_trace_cmd;
131 db_cmdfcn_t     db_trace_until_call_cmd;
132 db_cmdfcn_t     db_trace_until_matching_cmd;
133 db_cmdfcn_t     db_watchpoint_cmd;
134 db_cmdfcn_t     db_write_cmd;
135
136 #if 0
137 db_cmdfcn_t     db_help_cmd;
138 db_cmdfcn_t     db_show_all_threads;
139 db_cmdfcn_t     db_show_one_thread;
140 db_cmdfcn_t     ipc_port_print;
141 db_cmdfcn_t     vm_page_print;
142 #endif
143
144 /*
145  * Command table.
146  */
147 struct command {
148         char *  name;           /* command name */
149         db_cmdfcn_t *fcn;       /* function to call */
150         int     flag;           /* extra info: */
151 #define CS_OWN          0x1     /* non-standard syntax */
152 #define CS_MORE         0x2     /* standard syntax, but may have other words
153                                  * at end */
154 #define CS_SET_DOT      0x100   /* set dot after command */
155         struct command *more;   /* another level of command */
156 };
157
158 #endif /* !_DDB_DDB_H_ */