Added: sysctl access to the ddb variables.

Fixed: "netbsd" strings in sym table handling routines.
now it is usefull to change max_{width,line} according
to your real console geometry, just w/ sysctl program.

5 files changed, 103 insertions, 14 deletions

diff --git a/sys/ddb/db_aout.c b/sys/ddb/db_aout.c
index 165d69fe518..789b6974322 100644
--- a/sys/ddb/db_aout.c
+++ b/sys/ddb/db_aout.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: db_aout.c,v 1.4 1996/03/11 11:15:57 mickey Exp $	*/
+/*	$OpenBSD: db_aout.c,v 1.5 1996/03/30 04:51:28 mickey Exp $	*/
 
 /* 
  * Mach Operating System
@@ -343,10 +343,10 @@ ddb_init()
 	extern int	end;
 
 	if (esym > (char *)&end) {
-	    X_db_sym_init((int *)&end, esym, "netbsd");
+	    X_db_sym_init((int *)&end, esym, "bsd");
 	}
 #else
-	X_db_sym_init (db_symtab, 0, "netbsd");
+	X_db_sym_init (db_symtab, 0, "bsd");
 #endif
 }
 
diff --git a/sys/ddb/db_sym.c b/sys/ddb/db_sym.c
index b2abad54a7d..19dd9264ef1 100644
--- a/sys/ddb/db_sym.c
+++ b/sys/ddb/db_sym.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: db_sym.c,v 1.5 1996/03/11 11:16:23 mickey Exp $	*/
+/*	$OpenBSD: db_sym.c,v 1.6 1996/03/30 04:51:28 mickey Exp $	*/
 
 /* 
  * Mach Operating System
@@ -108,7 +108,7 @@ db_del_symbol_table(name)
 }
 
 /*
- *  db_qualify("vm_map", "netbsd") returns "netbsd:vm_map".
+ *  db_qualify("vm_map", "bsd") returns "bsd:vm_map".
  *
  *  Note: return value points to static data whose content is
  *  overwritten by each call... but in practice this seems okay.
diff --git a/sys/ddb/db_usrreq.c b/sys/ddb/db_usrreq.c
new file mode 100644
index 00000000000..fdc7f41ef0d
--- /dev/null
+++ b/sys/ddb/db_usrreq.c
@@ -0,0 +1,69 @@
+/*	$OpenBSD: db_usrreq.c,v 1.1 1996/03/30 04:51:31 mickey Exp $	*/
+
+/*
+ * Copyright (c) 1996 Michael Shalayeff.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by Michael Shalayeff.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/param.h>
+#include <sys/types.h>
+#include <sys/kernel.h>
+#include <sys/proc.h>
+#include <vm/vm.h>
+#include <sys/sysctl.h>
+
+#include <ddb/db_var.h>
+
+int
+ddb_sysctl(name, namelen, oldp, oldlenp, newp, newlen, p)
+	int	*name;
+	u_int	namelen;
+	void	*oldp;
+	size_t	*oldlenp;
+	void	*newp;
+	size_t	newlen;
+	struct proc *p;
+{
+	/* All sysctl names at this level are terminal. */
+	if (namelen != 1)
+		return (ENOTDIR);
+
+	switch (name[0]) {
+
+	case DBCTL_RADIX:
+		return sysctl_int(oldp, oldlenp, newp, newlen, &db_radix);
+	case DBCTL_MAXWIDTH:
+		return sysctl_int(oldp, oldlenp, newp, newlen, &db_max_width);
+	case DBCTL_TABSTOP:
+		return sysctl_int(oldp, oldlenp, newp, newlen, &db_tab_stop_width);
+	case DBCTL_MAXLINE:
+		return sysctl_int(oldp, oldlenp, newp, newlen, &db_max_line);
+	default:
+		return (EOPNOTSUPP);
+	}
+	/* NOTREACHED */
+}
diff --git a/sys/ddb/db_var.h b/sys/ddb/db_var.h
index a51c7dff108..439cd0c15eb 100644
--- a/sys/ddb/db_var.h
+++ b/sys/ddb/db_var.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: db_var.h,v 1.1 1996/03/11 11:16:27 mickey Exp $	*/
+/*	$OpenBSD: db_var.h,v 1.2 1996/03/30 04:51:29 mickey Exp $	*/
 
 /*
  * Copyright (c) 1996 Michael Shalayeff.  All rights reserved.
@@ -40,4 +40,30 @@
 #define	DB_HISTORY_SIZE	4000
 #endif
 
+#define DBCTL_RADIX	1
+#define DBCTL_MAXWIDTH	2
+#define DBCTL_MAXLINE	3
+#define DBCTL_TABSTOP	4
+#define DBCTL_MAXID	5
+
+#define	CTL_DDB_NAMES { \
+	{ NULL, 0 }, \
+	{ "radix", CTLTYPE_INT }, \
+	{ "max_width", CTLTYPE_INT }, \
+	{ "max_line", CTLTYPE_INT }, \
+	{ "tab_stop_width", CTLTYPE_INT },\
+}
+
+#ifdef	_KERNEL
+extern u_int	db_maxoff;
+extern int	db_radix;
+extern int	db_max_width;
+extern int	db_tab_stop_width;
+extern int	db_max_line;
+
+int	ddb_sysctl __P((int *, u_int, void *, size_t *, void *, size_t,
+		       struct proc *));
+#endif
+
 #endif /* _DDB_DB_VAR_H_ */
+
diff --git a/sys/ddb/db_variables.c b/sys/ddb/db_variables.c
index c59af61c14f..ccb5c64b4da 100644
--- a/sys/ddb/db_variables.c
+++ b/sys/ddb/db_variables.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: db_variables.c,v 1.3 1996/03/11 11:16:28 mickey Exp $	*/
+/*	$OpenBSD: db_variables.c,v 1.4 1996/03/30 04:51:30 mickey Exp $	*/
 
 /* 
  * Mach Operating System
@@ -36,13 +36,7 @@
 #include <ddb/db_command.h>
 #include <ddb/db_sym.h>
 #include <ddb/db_extern.h>
-
-extern unsigned int	db_maxoff;
-
-extern int	db_radix;
-extern int	db_max_width;
-extern int	db_tab_stop_width;
-extern int	db_max_line;
+#include <ddb/db_var.h>
 
 struct db_variable db_vars[] = {
 	{ "radix",	&db_radix, FCN_NULL },