xref: /netbsd/sys/arch/arm/arm/db_disasm.c (revision bf9ec67e)
1 /*	$NetBSD: db_disasm.c,v 1.3 2001/03/04 04:15:58 matt 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/param.h>
38 #include <machine/db_machdep.h>
39 #include <ddb/db_interface.h>
40 #include <ddb/db_sym.h>
41 #include <ddb/db_output.h>
42 #include <ddb/db_access.h>
43 
44 #include <arch/arm/arm/disassem.h>
45 
46 /* Glue code to interface db_disasm to the generic ARM disassembler */
47 
48 static u_int db_disasm_read_word(u_int);
49 static void db_disasm_printaddr(u_int);
50 
51 static const disasm_interface_t db_disasm_interface = {
52 	db_disasm_read_word, db_disasm_printaddr, db_printf
53 };
54 
55 static u_int
56 db_disasm_read_word(u_int address)
57 {
58 
59 	return db_get_value(address, 4, 0);
60 }
61 
62 static void
63 db_disasm_printaddr(u_int address)
64 {
65 
66 	db_printsym((db_addr_t)address, DB_STGY_ANY, db_printf);
67 }
68 
69 vaddr_t
70 db_disasm(vaddr_t loc, boolean_t altfmt)
71 {
72 
73 	return disasm(&db_disasm_interface, loc, altfmt);
74 }
75 
76 /* End of db_disasm.c */
77