2 * Copyright (c) 1993, Garrett A. Wollman.
3 * Copyright (c) 1993, University of Vermont and State Agricultural College.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
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.
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
30 * $FreeBSD: src/sys/ddb/ddb.h,v 1.24.2.2 2002/08/30 22:27:49 gibbs Exp $
31 * $DragonFly: src/sys/ddb/ddb.h,v 1.7 2004/09/03 08:50:47 eirikn Exp $
35 * Necessary declarations for the `ddb' kernel debugger.
41 #include <sys/queue.h>
42 #include <machine/db_machdep.h> /* type definitions */
44 typedef void db_cmdfcn_t (db_expr_t addr, boolean_t have_addr,
45 db_expr_t count, char *modif);
47 #define DB_COMMAND(cmd_name, func_name) \
48 DB_SET(cmd_name, func_name, db_cmd_set, 0, NULL)
49 #define DB_SHOW_COMMAND(cmd_name, func_name) \
50 DB_SET(cmd_name, func_name, db_show_cmd_set, 0, NULL)
52 #define DB_SET(cmd_name, func_name, set, flag, more) \
53 static db_cmdfcn_t func_name; \
55 static const struct command __CONCAT(func_name,_cmd) = { \
61 TEXT_SET(set, __CONCAT(func_name,_cmd)); \
64 func_name(addr, have_addr, count, modif) \
66 boolean_t have_addr; \
71 extern db_expr_t db_maxoff;
74 extern int db_inst_count;
75 extern int db_load_count;
76 extern int debugger_on_panic;
77 extern int db_store_count;
78 extern db_expr_t db_radix;
79 extern db_expr_t db_max_width;
80 extern db_expr_t db_tab_stop_width;
85 void db_check_interrupt (void);
86 void db_clear_watchpoints (void);
87 db_addr_t db_disasm (db_addr_t loc, boolean_t altfmt, db_regs_t *regs);
88 /* instruction disassembler */
89 void db_error (char *s);
90 int db_expression (db_expr_t *valuep);
91 int db_get_variable (db_expr_t *valuep);
92 void db_iprintf (const char *,...) __printflike(1, 2);
93 struct vm_map *db_map_addr (vm_offset_t);
94 boolean_t db_map_current (struct vm_map *);
95 boolean_t db_map_equal (struct vm_map *, struct vm_map *);
96 void db_print_loc_and_inst (db_addr_t loc, db_regs_t *regs);
97 void db_printf (const char *fmt, ...) __printflike(1, 2);
98 void db_read_bytes (vm_offset_t addr, size_t size, char *data);
99 /* machine-dependent */
100 int db_readline (char *lstart, int lsize);
101 void db_restart_at_pc (boolean_t watchpt);
102 void db_set_watchpoints (void);
103 void db_skip_to_eol (void);
104 boolean_t db_stop_at_pc (boolean_t *is_breakpoint);
105 #define db_strcpy strcpy
106 void db_trap (int type, int code);
107 int db_value_of_name (const char *name, db_expr_t *valuep);
108 void db_write_bytes (vm_offset_t addr, size_t size, char *data);
109 /* machine-dependent */
110 void kdb_init (void);
112 db_cmdfcn_t db_breakpoint_cmd;
113 db_cmdfcn_t db_continue_cmd;
114 db_cmdfcn_t db_delete_cmd;
115 db_cmdfcn_t db_deletehwatch_cmd;
116 db_cmdfcn_t db_deletewatch_cmd;
117 db_cmdfcn_t db_examine_cmd;
118 db_cmdfcn_t db_hwatchpoint_cmd;
119 db_cmdfcn_t db_listbreak_cmd;
120 db_cmdfcn_t db_print_cmd;
122 db_cmdfcn_t db_search_cmd;
123 db_cmdfcn_t db_set_cmd;
124 db_cmdfcn_t db_show_regs;
125 db_cmdfcn_t db_single_step_cmd;
126 db_cmdfcn_t db_stack_trace_cmd;
127 db_cmdfcn_t db_trace_until_call_cmd;
128 db_cmdfcn_t db_trace_until_matching_cmd;
129 db_cmdfcn_t db_watchpoint_cmd;
130 db_cmdfcn_t db_write_cmd;
133 db_cmdfcn_t db_help_cmd;
134 db_cmdfcn_t db_show_all_threads;
135 db_cmdfcn_t db_show_one_thread;
136 db_cmdfcn_t ipc_port_print;
137 db_cmdfcn_t vm_page_print;
141 * Print backtrace. (Machine-Dependant)
143 void db_print_backtrace(void);
149 char * name; /* command name */
150 db_cmdfcn_t *fcn; /* function to call */
151 int flag; /* extra info: */
152 #define CS_OWN 0x1 /* non-standard syntax */
153 #define CS_MORE 0x2 /* standard syntax, but may have other words
155 #define CS_SET_DOT 0x100 /* set dot after command */
156 struct command *more; /* another level of command */
162 * Routines to support GDB on an sio port.
165 extern cn_getc_t *gdb_getc;
166 extern cn_putc_t *gdb_putc;
169 #endif /* !_DDB_DDB_H_ */