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      1 /*	$NetBSD: db_disasm.c,v 1.6 2007/02/21 22:59:38 thorpej 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 __KERNEL_RCSID(0, "$NetBSD: db_disasm.c,v 1.6 2007/02/21 22:59:38 thorpej Exp $");
     39 
     40 #include <sys/param.h>
     41 #include <machine/db_machdep.h>
     42 #include <ddb/db_interface.h>
     43 #include <ddb/db_sym.h>
     44 #include <ddb/db_output.h>
     45 #include <ddb/db_access.h>
     46 
     47 #include <arch/arm/arm/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, db_disasm_printaddr, db_printf
     56 };
     57 
     58 static u_int
     59 db_disasm_read_word(u_int address)
     60 {
     61 
     62 	return db_get_value(address, 4, 0);
     63 }
     64 
     65 static void
     66 db_disasm_printaddr(u_int address)
     67 {
     68 
     69 	db_printsym((db_addr_t)address, DB_STGY_ANY, db_printf);
     70 }
     71 
     72 vaddr_t
     73 db_disasm(vaddr_t loc, bool altfmt)
     74 {
     75 
     76 	return disasm(&db_disasm_interface, loc, altfmt);
     77 }
     78 
     79 /* End of db_disasm.c */
     80