FreeBSD/Linux Kernel Cross Reference
sys/arm/arm/db_disasm.c

     /*      $NetBSD: db_disasm.c,v 1.4 2003/07/15 00:24:38 lukem Exp $      */
     
     /*-
      * SPDX-License-Identifier: BSD-4-Clause
      *
      * Copyright (c) 1996 Mark Brinicombe.
      * Copyright (c) 1996 Brini.
      *
      * All rights reserved.
     *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by Brini.
     * 4. The name of the company nor the name of the author may be used to
     *    endorse or promote products derived from this software without specific
     *    prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
     * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
     * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     */
    
    #include <sys/cdefs.h>
    __FBSDID("$FreeBSD$");
    #include <sys/param.h>
    #include <machine/db_machdep.h>
    #include <ddb/ddb.h>
    #include <ddb/db_access.h>
    #include <ddb/db_sym.h>
    
    #include <machine/disassem.h>
    
    /* Glue code to interface db_disasm to the generic ARM disassembler */
    
    static u_int db_disasm_read_word(u_int);
    static void db_disasm_printaddr(u_int);
    
    static const disasm_interface_t db_disasm_interface = {
            db_disasm_read_word,
            db_disasm_printaddr,
            db_printf
    };
    
    static u_int
    db_disasm_read_word(u_int address)
    {
    
            return db_get_value(address, 4, 0);
    }
    
    static void
    db_disasm_printaddr(u_int address)
    {
    
            db_printsym((db_addr_t)address, DB_STGY_ANY);
    }
    
    vm_offset_t
    db_disasm(vm_offset_t loc, bool altfmt)
    {
    
            return disasm(&db_disasm_interface, loc, altfmt);
    }
    
    /* End of db_disasm.c */

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