1 /*- 2 * Mach Operating System 3 * Copyright (c) 1991,1990 Carnegie Mellon University 4 * All Rights Reserved. 5 * 6 * Permission to use, copy, modify and distribute this software and its 7 * documentation is hereby granted, provided that both the copyright 8 * notice and this permission notice appear in all copies of the 9 * software, derivative works or modified versions, and any portions 10 * thereof, and that both notices appear in supporting documentation. 11 * 12 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS 13 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 14 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 15 * 16 * Carnegie Mellon requests users of this software to return to 17 * 18 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 19 * School of Computer Science 20 * Carnegie Mellon University 21 * Pittsburgh PA 15213-3890 22 * 23 * any improvements or extensions that they make and grant Carnegie the 24 * rights to redistribute these changes. 25 * 26 */ 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 __FBSDID("$FreeBSD$"); 38 39 #include <sys/param.h> 40 #include <sys/kdb.h> 41 #include <sys/proc.h> 42 43 #include <machine/pcb.h> 44 45 #include <ddb/ddb.h> 46 #include <ddb/db_variables.h> 47 #include <ddb/db_sym.h> 48 49 void 50 db_show_regs(db_expr_t _1, boolean_t _2, db_expr_t _3, char *_4) 51 { 52 struct db_variable *regp; 53 db_expr_t value, offset; 54 const char *name; 55 56 for (regp = db_regs; regp < db_eregs; regp++) { 57 if (!db_read_variable(regp, &value)) 58 continue; 59 db_printf("%-12s%#10lr", regp->name, (unsigned long)value); 60 db_find_xtrn_sym_and_offset((db_addr_t)value, &name, &offset); 61 if (name != NULL && offset <= (unsigned long)db_maxoff && 62 offset != value) { 63 db_printf("\t%s", name); 64 if (offset != 0) 65 db_printf("+%+#lr", (long)offset); 66 } 67 db_printf("\n"); 68 } 69 db_print_loc_and_inst(PC_REGS()); 70 } 71