FreeBSD/Linux Kernel Cross Reference
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 * $FreeBSD$
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, 0, NULL)
47 #define DB_SHOW_COMMAND(cmd_name, func_name) \
48 DB_SET(cmd_name, func_name, db_show_cmd_set, 0, NULL)
49
50 #define DB_SET(cmd_name, func_name, set, flag, more) \
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 flag, \
57 more \
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 db_expr_t db_maxoff;
70 extern int db_active;
71 extern int db_indent;
72 extern int db_inst_count;
73 extern int db_load_count;
74 extern int debugger_on_panic;
75 extern int db_store_count;
76 extern db_expr_t db_radix;
77 extern db_expr_t db_max_width;
78 extern db_expr_t db_tab_stop_width;
79
80 struct vm_map;
81
82 void db_check_interrupt __P((void));
83 void db_clear_watchpoints __P((void));
84 db_addr_t db_disasm __P((db_addr_t loc, boolean_t altfmt));
85 /* instruction disassembler */
86 void db_error __P((char *s));
87 int db_expression __P((db_expr_t *valuep));
88 int db_get_variable __P((db_expr_t *valuep));
89 void db_iprintf __P((const char *,...)) __printflike(1, 2);
90 struct vm_map *db_map_addr __P((vm_offset_t));
91 boolean_t db_map_current __P((struct vm_map *));
92 boolean_t db_map_equal __P((struct vm_map *, struct vm_map *));
93 void db_print_loc_and_inst __P((db_addr_t loc));
94 void db_printf __P((const char *fmt, ...)) __printflike(1, 2);
95 void db_read_bytes __P((vm_offset_t addr, size_t size, char *data));
96 /* machine-dependent */
97 int db_readline __P((char *lstart, int lsize));
98 void db_restart_at_pc __P((boolean_t watchpt));
99 void db_set_watchpoints __P((void));
100 void db_skip_to_eol __P((void));
101 boolean_t db_stop_at_pc __P((boolean_t *is_breakpoint));
102 #define db_strcpy strcpy
103 void db_trap __P((int type, int code));
104 int db_value_of_name __P((const char *name, db_expr_t *valuep));
105 void db_write_bytes __P((vm_offset_t addr, size_t size, char *data));
106 /* machine-dependent */
107 void kdb_init __P((void));
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_deletehwatch_cmd;
113 db_cmdfcn_t db_deletewatch_cmd;
114 db_cmdfcn_t db_examine_cmd;
115 db_cmdfcn_t db_hwatchpoint_cmd;
116 db_cmdfcn_t db_listbreak_cmd;
117 db_cmdfcn_t db_print_cmd;
118 db_cmdfcn_t db_ps;
119 db_cmdfcn_t db_search_cmd;
120 db_cmdfcn_t db_set_cmd;
121 db_cmdfcn_t db_show_regs;
122 db_cmdfcn_t db_single_step_cmd;
123 db_cmdfcn_t db_stack_trace_cmd;
124 db_cmdfcn_t db_trace_until_call_cmd;
125 db_cmdfcn_t db_trace_until_matching_cmd;
126 db_cmdfcn_t db_watchpoint_cmd;
127 db_cmdfcn_t db_write_cmd;
128
129 #if 0
130 db_cmdfcn_t db_help_cmd;
131 db_cmdfcn_t db_show_all_threads;
132 db_cmdfcn_t db_show_one_thread;
133 db_cmdfcn_t ipc_port_print;
134 db_cmdfcn_t vm_page_print;
135 #endif
136
137 /*
138 * Command table.
139 */
140 struct command {
141 char * name; /* command name */
142 db_cmdfcn_t *fcn; /* function to call */
143 int flag; /* extra info: */
144 #define CS_OWN 0x1 /* non-standard syntax */
145 #define CS_MORE 0x2 /* standard syntax, but may have other words
146 * at end */
147 #define CS_SET_DOT 0x100 /* set dot after command */
148 struct command *more; /* another level of command */
149 };
150
151 /* XXX: UGLY hack */
152 #ifdef CN_DEAD
153 /*
154 * Routines to support GDB on an sio port.
155 */
156 extern dev_t gdbdev;
157 extern cn_getc_t *gdb_getc;
158 extern cn_putc_t *gdb_putc;
159 #endif
160
161 #endif /* !_DDB_DDB_H_ */
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