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Annotation of sys/ddb/db_print.c, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: db_print.c,v 1.10 2006/03/13 06:23:20 jsg Exp $       */
        !             2: /*     $NetBSD: db_print.c,v 1.5 1996/02/05 01:57:11 christos Exp $    */
        !             3:
        !             4: /*
        !             5:  * Mach Operating System
        !             6:  * Copyright (c) 1993,1992,1991,1990 Carnegie Mellon University
        !             7:  * All Rights Reserved.
        !             8:  *
        !             9:  * Permission to use, copy, modify and distribute this software and its
        !            10:  * documentation is hereby granted, provided that both the copyright
        !            11:  * notice and this permission notice appear in all copies of the
        !            12:  * software, derivative works or modified versions, and any portions
        !            13:  * thereof, and that both notices appear in supporting documentation.
        !            14:  *
        !            15:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
        !            16:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
        !            17:  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
        !            18:  *
        !            19:  * Carnegie Mellon requests users of this software to return to
        !            20:  *
        !            21:  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
        !            22:  *  School of Computer Science
        !            23:  *  Carnegie Mellon University
        !            24:  *  Pittsburgh PA 15213-3890
        !            25:  *
        !            26:  * any improvements or extensions that they make and grant Carnegie Mellon
        !            27:  * the rights to redistribute these changes.
        !            28:  *
        !            29:  *     Author: David B. Golub, Carnegie Mellon University
        !            30:  *     Date:   7/90
        !            31:  */
        !            32:
        !            33: /*
        !            34:  * Miscellaneous printing.
        !            35:  */
        !            36: #include <sys/param.h>
        !            37: #include <sys/proc.h>
        !            38:
        !            39: #include <uvm/uvm_extern.h>
        !            40:
        !            41: #include <machine/db_machdep.h>
        !            42:
        !            43: #include <ddb/db_lex.h>
        !            44: #include <ddb/db_variables.h>
        !            45: #include <ddb/db_sym.h>
        !            46: #include <ddb/db_output.h>
        !            47: #include <ddb/db_extern.h>
        !            48:
        !            49: /*ARGSUSED*/
        !            50: void
        !            51: db_show_regs(db_expr_t addr, int have_addr, db_expr_t count, char *modif)
        !            52: {
        !            53:        struct db_variable *regp;
        !            54:        db_expr_t       value, offset;
        !            55:        char *          name;
        !            56:
        !            57:        for (regp = db_regs; regp < db_eregs; regp++) {
        !            58:            db_read_variable(regp, &value);
        !            59:            db_printf("%-12s%#*ln", regp->name, sizeof(long) * 3, (long)value);
        !            60:            db_find_xtrn_sym_and_offset((db_addr_t)value, &name, &offset);
        !            61:            if (name != 0 && offset <= db_maxoff && offset != value) {
        !            62:                db_printf("\t%s", name);
        !            63:                if (offset != 0)
        !            64:                    db_printf("+%#lr", (long)offset);
        !            65:            }
        !            66:            db_printf("\n");
        !            67:        }
        !            68:        db_print_loc_and_inst(PC_REGS(DDB_REGS));
        !            69: }