1/* $NetBSD: db_print.c,v 1.29 2020/03/10 15:58:37 christos Exp $ */ 2 3/* 4 * Mach Operating System 5 * Copyright (c) 1991,1990 Carnegie Mellon University 6 * All Rights Reserved. 7 * 8 * Permission to use, copy, modify and distribute this software and its 9 * documentation is hereby granted, provided that both the copyright 10 * notice and this permission notice appear in all copies of the 11 * software, derivative works or modified versions, and any portions 12 * thereof, and that both notices appear in supporting documentation. 13 * 14 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 15 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 16 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 17 * 18 * Carnegie Mellon requests users of this software to return to 19 * 20 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 21 * School of Computer Science 22 * Carnegie Mellon University 23 * Pittsburgh PA 15213-3890 24 * 25 * any improvements or extensions that they make and grant Carnegie the 26 * rights to redistribute these changes. 27 * 28 * Author: David B. Golub, Carnegie Mellon University 29 * Date: 7/90 30 */ 31 32/* 33 * Miscellaneous printing. 34 */ 35 36#include <sys/cdefs.h> 37__KERNEL_RCSID(0, "$NetBSD: db_print.c,v 1.29 2020/03/10 15:58:37 christos Exp $"); 38 39#include <sys/param.h> 40#include <sys/proc.h> 41#include <sys/cpu.h> 42 43#include <ddb/ddb.h> 44 45/*ARGSUSED*/ 46void 47db_show_regs(db_expr_t addr, bool have_addr, 48 db_expr_t count, const char *modif) 49{ 50#ifdef _KERNEL 51 const struct db_variable *regp; 52 struct db_variable vs; 53 db_expr_t value, offset; 54 const char *name; 55 56 for (regp = db_regs; regp < db_eregs; regp++) { 57 vs = *regp; 58 vs.modif = modif; 59 db_read_variable(&vs, &value); 60 db_printf("%-12s%s", vs.name, db_num_to_str(value)); 61 db_find_xtrn_sym_and_offset((db_addr_t)value, &name, &offset); 62 if (name != NULL && 63 (unsigned int) offset <= db_maxoff && offset != value) { 64 db_printf("\t%s", name); 65 if (offset != 0) { 66 char tbuf[24]; 67 68 db_format_radix(tbuf, 24, offset, true); 69 db_printf("+%s", tbuf); 70 } 71 } 72 db_printf("\n"); 73 } 74 db_print_loc_and_inst(PC_REGS(DDB_REGS)); 75#else 76 db_kernelonly(); 77#endif 78} 79