1 /* $NetBSD: db_disasm.c,v 1.4 2003/07/15 00:24:38 lukem Exp $ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-4-Clause 5 * 6 * Copyright (c) 1996 Mark Brinicombe. 7 * Copyright (c) 1996 Brini. 8 * 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by Brini. 22 * 4. The name of the company nor the name of the author may be used to 23 * endorse or promote products derived from this software without specific 24 * prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED 27 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 28 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 29 * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 30 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 31 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 32 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 */ 38 39 #include <sys/cdefs.h> 40 __FBSDID("$FreeBSD$"); 41 #include <sys/param.h> 42 #include <machine/db_machdep.h> 43 #include <ddb/ddb.h> 44 #include <ddb/db_access.h> 45 #include <ddb/db_sym.h> 46 47 #include <machine/disassem.h> 48 49 /* Glue code to interface db_disasm to the generic ARM disassembler */ 50 51 static u_int db_disasm_read_word(u_int); 52 static void db_disasm_printaddr(u_int); 53 54 static const disasm_interface_t db_disasm_interface = { 55 db_disasm_read_word, 56 db_disasm_printaddr, 57 db_printf 58 }; 59 60 static u_int 61 db_disasm_read_word(u_int address) 62 { 63 64 return db_get_value(address, 4, 0); 65 } 66 67 static void 68 db_disasm_printaddr(u_int address) 69 { 70 71 db_printsym((db_addr_t)address, DB_STGY_ANY); 72 } 73 74 vm_offset_t 75 db_disasm(vm_offset_t loc, bool altfmt) 76 { 77 78 return disasm(&db_disasm_interface, loc, altfmt); 79 } 80 81 /* End of db_disasm.c */ 82