1/*	$NetBSD: db_disasm.c,v 1.4 2003/07/15 00:24:38 lukem Exp $	*/
2
3/*-
4 * Copyright (c) 1996 Mark Brinicombe.
5 * Copyright (c) 1996 Brini.
6 *
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 *    must display the following acknowledgement:
19 *	This product includes software developed by Brini.
20 * 4. The name of the company nor the name of the author may be used to
21 *    endorse or promote products derived from this software without specific
22 *    prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
25 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
26 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
27 * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
28 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
29 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 */
36
37#include <sys/cdefs.h>
38__FBSDID("$FreeBSD$");
39#include <sys/param.h>
40#include <machine/db_machdep.h>
41#include <ddb/ddb.h>
42#include <ddb/db_access.h>
43#include <ddb/db_sym.h>
44
45#include <machine/disassem.h>
46
47/* Glue code to interface db_disasm to the generic ARM disassembler */
48
49static u_int db_disasm_read_word(u_int);
50static void db_disasm_printaddr(u_int);
51
52static const disasm_interface_t db_disasm_interface = {
53	db_disasm_read_word,
54	db_disasm_printaddr,
55       	db_printf
56};
57
58static u_int
59db_disasm_read_word(u_int address)
60{
61
62	return db_get_value(address, 4, 0);
63}
64
65static void
66db_disasm_printaddr(u_int address)
67{
68
69	db_printsym((db_addr_t)address, DB_STGY_ANY);
70}
71
72vm_offset_t
73db_disasm(vm_offset_t loc, bool altfmt)
74{
75
76	return disasm(&db_disasm_interface, loc, altfmt);
77}
78
79/* End of db_disasm.c */
80