ddb.h revision 1549 
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 *	$Id$
31 */
32
33/*
34 * Necessary declarations for the `ddb' kernel debugger.
35 */
36
37#ifndef __h_ddb_ddb
38#define __h_ddb_ddb 1
39
40#include <machine/db_machdep.h>		/* type definitions */
41#include <vm/vm.h>
42
43/*
44 * Global variables...
45 */
46extern char *esym;
47extern unsigned int db_maxoff;
48extern int db_inst_count;
49extern int db_load_count;
50extern int db_store_count;
51extern int db_radix;
52extern int db_max_width;
53extern int db_tab_stop_width;
54
55/*
56 * Functions...
57 */
58extern void
59db_read_bytes(vm_offset_t addr, register int size, register char *data);
60				/* machine-dependent */
61
62extern void
63db_write_bytes(vm_offset_t addr, register int size, register char *data);
64				/* machine-dependent */
65
66struct vm_map;			/* forward declaration */
67
68extern boolean_t db_map_equal(struct vm_map *, struct vm_map *);
69extern boolean_t db_map_current(struct vm_map *);
70extern struct vm_map *db_map_addr(vm_offset_t);
71
72#define db_strcpy strcpy
73extern int db_expression (db_expr_t *valuep);
74
75typedef void db_cmd_fcn(db_expr_t, int, db_expr_t, char *);
76
77extern db_cmd_fcn db_listbreak_cmd, db_listwatch_cmd, db_show_regs;
78extern db_cmd_fcn db_print_cmd, db_examine_cmd, db_set_cmd, db_search_cmd;
79extern db_cmd_fcn db_write_cmd, db_delete_cmd, db_breakpoint_cmd;
80extern db_cmd_fcn db_deletewatch_cmd, db_watchpoint_cmd;
81extern db_cmd_fcn db_single_step_cmd, db_trace_until_call_cmd;
82extern db_cmd_fcn db_trace_until_matching_cmd, db_continue_cmd;
83extern db_cmd_fcn db_stack_trace_cmd;
84
85extern db_addr_t db_disasm(db_addr_t loc, boolean_t altfmt);
86			/* instruction disassembler */
87
88extern int db_value_of_name (char *name, db_expr_t *valuep);
89extern int db_get_variable (db_expr_t *valuep);
90extern void db_putchar (int c);
91extern void db_error (char *s);
92extern int db_readline (char *lstart, int lsize);
93extern void db_printf (const char *fmt, ...);
94extern void db_check_interrupt(void);
95extern void db_print_loc_and_inst (db_addr_t loc);
96
97extern void db_clear_watchpoints (void);
98extern void db_set_watchpoints (void);
99
100extern void db_restart_at_pc(boolean_t watchpt);
101extern boolean_t db_stop_at_pc(boolean_t *is_breakpoint);
102
103extern void db_skip_to_eol (void);
104extern void db_single_step (db_regs_t *regs);
105
106extern void db_trap (int type, int code);
107
108extern void kdbprinttrap(int, int);
109
110#endif /* __h_ddb_ddb */
111