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db_machdep.c revision 1.12 
      1 /*	$NetBSD: db_machdep.c,v 1.12 2009/03/14 15:36:01 dsl 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 (at) 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 1.12 2009/03/14 15:36:01 dsl 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 }
     83