Initial import, 0.1 + pk 0.2.4-B1

1 files changed, 120 insertions, 0 deletions

diff --git a/sys/ddb/db_write_cmd.c b/sys/ddb/db_write_cmd.c
new file mode 100644
index 0000000..dce22a9
--- /dev/null
+++ b/sys/ddb/db_write_cmd.c
@@ -0,0 +1,120 @@
+/* 
+ * 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_write_cmd.c,v $
+ * Revision 1.1  1992/03/25  21:45:42  pace
+ * Initial revision
+ *
+ * Revision 2.4  91/02/05  17:07:35  mrt
+ * 	Changed to new Mach copyright
+ * 	[91/01/31  16:20:19  mrt]
+ * 
+ * Revision 2.3  90/10/25  14:44:26  rwd
+ * 	Changed db_write_cmd to print unsigned.
+ * 	[90/10/19            rpd]
+ * 
+ * Revision 2.2  90/08/27  21:53:54  dbg
+ * 	Set db_prev and db_next instead of explicitly advancing dot.
+ * 	[90/08/22            dbg]
+ * 	Reflected changes in db_printsym()'s calling seq.
+ * 	[90/08/20            af]
+ * 	Warn user if nothing was written.
+ * 	[90/08/07            dbg]
+ * 	Created.
+ * 	[90/07/25            dbg]
+ * 
+ */
+/*
+ *	Author: David B. Golub,  Carnegie Mellon University
+ *	Date:	7/90
+ */
+
+#include "param.h"
+#include "proc.h"
+#include <machine/db_machdep.h>
+
+#include <ddb/db_lex.h>
+#include <ddb/db_access.h>
+#include <ddb/db_command.h>
+#include <ddb/db_sym.h>
+
+/*
+ * Write to file.
+ */
+/*ARGSUSED*/
+void
+db_write_cmd(address, have_addr, count, modif)
+	db_expr_t	address;
+	boolean_t	have_addr;
+	db_expr_t	count;
+	char *		modif;
+{
+	register
+	db_addr_t	addr;
+	register
+	db_expr_t	old_value;
+	db_expr_t	new_value;
+	register int	size;
+	boolean_t	wrote_one = FALSE;
+
+	addr = (db_addr_t) address;
+
+	switch (modif[0]) {
+	    case 'b':
+		size = 1;
+		break;
+	    case 'h':
+		size = 2;
+		break;
+	    case 'l':
+	    case '\0':
+		size = 4;
+		break;
+	    default:
+		db_error("Unknown size\n");
+		return;
+	}
+
+	while (db_expression(&new_value)) {
+	    old_value = db_get_value(addr, size, FALSE);
+	    db_printsym(addr, DB_STGY_ANY);
+	    db_printf("\t\t%#8n\t=\t%#8n\n", old_value, new_value);
+	    db_put_value(addr, size, new_value);
+	    addr += size;
+
+	    wrote_one = TRUE;
+	}
+
+	if (!wrote_one)
+	    db_error("Nothing written.\n");
+
+	db_next = addr;
+	db_prev = addr - size;
+
+	db_skip_to_eol();
+}
+