2 * Copyright (c) 2015 The FreeBSD Foundation
4 * This software was developed by Semihalf under
5 * the sponsorship of the FreeBSD Foundation.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
31 #include <sys/param.h>
33 #include <ddb/db_access.h>
34 #include <ddb/db_sym.h>
36 #include <machine/disassem.h>
38 static u_int db_disasm_read_word(vm_offset_t);
39 static void db_disasm_printaddr(vm_offset_t);
41 /* Glue code to interface db_disasm to the generic ARM disassembler */
42 static const struct disasm_interface db_disasm_interface = {
43 .di_readword = db_disasm_read_word,
44 .di_printaddr = db_disasm_printaddr,
45 .di_printf = db_printf,
49 db_disasm_read_word(vm_offset_t address)
52 return (db_get_value(address, INSN_SIZE, 0));
56 db_disasm_printaddr(vm_offset_t address)
59 db_printsym((db_addr_t)address, DB_STGY_ANY);
63 db_disasm(vm_offset_t loc, bool altfmt)
66 return (disasm(&db_disasm_interface, loc, altfmt));
69 /* End of db_disasm.c */