sys/arch/arm/arm32/db_machdep.c

   1 /*      $NetBSD: db_machdep.c,v 1.11 2007/02/22 04:38:03 matt Exp $     */
   2
   3 /*
   4  * Copyright (c) 1996 Mark Brinicombe
   5  *
   6  * Mach Operating System
   7  * Copyright (c) 1991,1990 Carnegie Mellon University
   8  * All Rights Reserved.
   9  *
  10  * Permission to use, copy, modify and distribute this software and its
  11  * documentation is hereby granted, provided that both the copyright
  12  * notice and this permission notice appear in all copies of the
  13  * software, derivative works or modified versions, and any portions
  14  * thereof, and that both notices appear in supporting documentation.
  15  *
  16  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  17  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  18  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  19  *
  20  * Carnegie Mellon requests users of this software to return to
  21  *
  22  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  23  *  School of Computer Science
  24  *  Carnegie Mellon University
  25  *  Pittsburgh PA 15213-3890
  26  *
  27  * any improvements or extensions that they make and grant Carnegie the
  28  * rights to redistribute these changes.
  29  */
  30
  31 #include <sys/cdefs.h>
  32 __KERNEL_RCSID(0, "$NetBSD: db_machdep.c,v 1.11 2007/02/22 04:38:03 matt Exp $");
  33
  34 #include <sys/param.h>
  35 #include <sys/proc.h>
  36 #include <sys/vnode.h>
  37 #include <sys/systm.h>
  38
  39 #include <arm/arm32/db_machdep.h>
  40
  41 #include <ddb/db_access.h>
  42 #include <ddb/db_sym.h>
  43 #include <ddb/db_output.h>
  44
  45
  46 void
  47 db_show_panic_cmd(db_expr_t addr, bool have_addr, db_expr_t count, const char *modif)
  48 {
  49         int s;
  50
  51         s = splhigh();
  52
  53         db_printf("Panic string: %s\n", panicstr);
  54
  55         (void)splx(s);
  56 }
  57
  58
  59 void
  60 db_show_frame_cmd(db_expr_t addr, bool have_addr, db_expr_t count, const char *modif)
  61 {
  62         struct trapframe *frame;
  63
  64         if (!have_addr) {
  65                 db_printf("frame address must be specified\n");
  66                 return;
  67         }
  68
  69         frame = (struct trapframe *)addr;
  70
  71         db_printf("frame address = %08x  ", (u_int)frame);
  72         db_printf("spsr=%08x\n", frame->tf_spsr);
  73         db_printf("r0 =%08x r1 =%08x r2 =%08x r3 =%08x\n",
  74             frame->tf_r0, frame->tf_r1, frame->tf_r2, frame->tf_r3);
  75         db_printf("r4 =%08x r5 =%08x r6 =%08x r7 =%08x\n",
  76             frame->tf_r4, frame->tf_r5, frame->tf_r6, frame->tf_r7);
  77         db_printf("r8 =%08x r9 =%08x r10=%08x r11=%08x\n",
  78             frame->tf_r8, frame->tf_r9, frame->tf_r10, frame->tf_r11);
  79         db_printf("r12=%08x r13=%08x r14=%08x r15=%08x\n",
  80             frame->tf_r12, frame->tf_usr_sp, frame->tf_usr_lr, frame->tf_pc);
  81         db_printf("slr=%08x\n", frame->tf_svc_lr);
  82 }