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mirror of https://git.FreeBSD.org/src.git synced 2024-12-05 09:14:03 +00:00
freebsd/sys/ddb/db_print.c
1993-06-12 14:58:17 +00:00

105 lines
2.8 KiB
C

/*
* 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));
}