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Diffstat (limited to 'sys/ddb/db_print.c')
| -rw-r--r-- | sys/ddb/db_print.c | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/sys/ddb/db_print.c b/sys/ddb/db_print.c new file mode 100644 index 0000000..48eef38 --- /dev/null +++ b/sys/ddb/db_print.c @@ -0,0 +1,104 @@ +/* + * Mach Operating System + * Copyright (c) 1991,1990 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the + * rights to redistribute these changes. + */ +/* + * HISTORY + * $Log: db_print.c,v $ + * Revision 1.1 1992/03/25 21:45:22 pace + * Initial revision + * + * Revision 2.5 91/02/05 17:06:53 mrt + * Changed to new Mach copyright + * [91/01/31 16:18:56 mrt] + * + * Revision 2.4 90/10/25 14:43:54 rwd + * Changed db_show_regs to print unsigned. + * [90/10/19 rpd] + * Generalized the watchpoint support. + * [90/10/16 rwd] + * + * Revision 2.3 90/09/09 23:19:52 rpd + * Avoid totally incorrect guesses of symbol names for small values. + * [90/08/30 17:39:08 af] + * + * Revision 2.2 90/08/27 21:51:49 dbg + * Insist that 'show thread' be called with an explicit address. + * [90/08/22 dbg] + * + * Fix type for db_maxoff. + * [90/08/20 dbg] + * + * Do not dereference the "valuep" field of a variable directly, + * call the new db_read/write_variable functions instead. + * Reflected changes in symbol lookup functions. + * [90/08/20 af] + * Reduce lint. + * [90/08/10 14:33:44 dbg] + * + * Created. + * [90/07/25 dbg] + * + */ +/* + * Author: David B. Golub, Carnegie Mellon University + * Date: 7/90 + */ + +/* + * Miscellaneous printing. + */ +#include "param.h" +#include "proc.h" + +#include <machine/db_machdep.h> + +#include <ddb/db_lex.h> +#include <ddb/db_variables.h> +#include <ddb/db_sym.h> + +extern unsigned int db_maxoff; + +void +db_show_regs() +{ + int (*func)(); + register struct db_variable *regp; + db_expr_t value, offset; + char * name; + + for (regp = db_regs; regp < db_eregs; regp++) { + db_read_variable(regp, &value); + db_printf("%-12s%#10n", regp->name, value); + db_find_xtrn_sym_and_offset((db_addr_t)value, &name, &offset); + if (name != 0 && offset <= db_maxoff && offset != value) { + db_printf("\t%s", name); + if (offset != 0) + db_printf("+%#r", offset); + } + db_printf("\n"); + } + db_print_loc_and_inst(PC_REGS(DDB_REGS)); +} + |
