xref: /freebsd/sys/ddb/ddb.h (revision 8e537d168674d6b65869f73c20813001af875738)
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  *	$Id: ddb.h,v 1.11 1996/05/08 04:28:36 gpalmer 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 #include <machine/db_machdep.h>		/* type definitions */
41 
42 typedef void db_cmdfcn_t __P((db_expr_t addr, boolean_t have_addr,
43 			      db_expr_t count, char *modif));
44 
45 #define DB_COMMAND(cmd_name, func_name) \
46 	DB_SET(cmd_name, func_name, db_cmd_set)
47 #define DB_SHOW_COMMAND(cmd_name, func_name) \
48 	DB_SET(cmd_name, func_name, db_show_cmd_set)
49 
50 #define DB_SET(cmd_name, func_name, set)			\
51 static db_cmdfcn_t	func_name;				\
52 								\
53 static const struct command __CONCAT(func_name,_cmd) = {	\
54 	__STRING(cmd_name),					\
55 	func_name,						\
56 	0,							\
57 	0,							\
58 };								\
59 TEXT_SET(set, __CONCAT(func_name,_cmd));			\
60 								\
61 static void							\
62 func_name(addr, have_addr, count, modif)			\
63 	db_expr_t addr;						\
64 	boolean_t have_addr;					\
65 	db_expr_t count;					\
66 	char *modif;
67 
68 extern char *esym;
69 extern unsigned int db_maxoff;
70 extern int db_indent;
71 extern int db_inst_count;
72 extern int db_load_count;
73 extern int db_store_count;
74 extern int db_radix;
75 extern int db_max_width;
76 extern int db_tab_stop_width;
77 
78 struct vm_map;
79 
80 void		cnpollc __P((int));
81 void		db_check_interrupt __P((void));
82 void		db_clear_watchpoints __P((void));
83 db_addr_t	db_disasm __P((db_addr_t loc, boolean_t altfmt));
84 				/* instruction disassembler */
85 void		db_error __P((char *s));
86 int		db_expression __P((db_expr_t *valuep));
87 int		db_get_variable __P((db_expr_t *valuep));
88 void		db_iprintf __P((const char *,...));
89 struct vm_map	*db_map_addr __P((vm_offset_t));
90 boolean_t	db_map_current __P((struct vm_map *));
91 boolean_t	db_map_equal __P((struct vm_map *, struct vm_map *));
92 void		db_print_loc_and_inst __P((db_addr_t loc));
93 void		db_printf __P((const char *fmt, ...));
94 void		db_read_bytes __P((vm_offset_t addr, int size, char *data));
95 				/* machine-dependent */
96 int		db_readline __P((char *lstart, int lsize));
97 void		db_restart_at_pc __P((boolean_t watchpt));
98 void		db_set_watchpoints __P((void));
99 void		db_skip_to_eol __P((void));
100 boolean_t	db_stop_at_pc __P((boolean_t *is_breakpoint));
101 #define		db_strcpy	strcpy
102 void		db_trap __P((int type, int code));
103 int		db_value_of_name __P((char *name, db_expr_t *valuep));
104 void		db_write_bytes __P((vm_offset_t addr, int size, char *data));
105 				/* machine-dependent */
106 void		kdb_init __P((void));
107 void		kdbprintf __P((const char *fmt, ...));
108 
109 db_cmdfcn_t	db_breakpoint_cmd;
110 db_cmdfcn_t	db_continue_cmd;
111 db_cmdfcn_t	db_delete_cmd;
112 db_cmdfcn_t	db_deletewatch_cmd;
113 db_cmdfcn_t	db_examine_cmd;
114 db_cmdfcn_t	db_listbreak_cmd;
115 db_cmdfcn_t	db_listwatch_cmd;
116 db_cmdfcn_t	db_print_cmd;
117 db_cmdfcn_t	db_ps;
118 db_cmdfcn_t	db_search_cmd;
119 db_cmdfcn_t	db_set_cmd;
120 db_cmdfcn_t	db_show_regs;
121 db_cmdfcn_t	db_single_step_cmd;
122 db_cmdfcn_t	db_stack_trace_cmd;
123 db_cmdfcn_t	db_trace_until_call_cmd;
124 db_cmdfcn_t	db_trace_until_matching_cmd;
125 db_cmdfcn_t	db_watchpoint_cmd;
126 db_cmdfcn_t	db_write_cmd;
127 
128 #if 0
129 db_cmdfcn_t	db_help_cmd;
130 db_cmdfcn_t	db_show_all_threads;
131 db_cmdfcn_t	db_show_one_thread;
132 db_cmdfcn_t	ipc_port_print;
133 db_cmdfcn_t	vm_page_print;
134 #endif
135 
136 /*
137  * Command table.
138  */
139 struct command {
140 	char *	name;		/* command name */
141 	db_cmdfcn_t *fcn;	/* function to call */
142 	int	flag;		/* extra info: */
143 #define	CS_OWN		0x1	/* non-standard syntax */
144 #define	CS_MORE		0x2	/* standard syntax, but may have other words
145 				 * at end */
146 #define	CS_SET_DOT	0x100	/* set dot after command */
147 	struct command *more;	/* another level of command */
148 };
149 
150 #endif /* !_DDB_DDB_H_ */
151