Add utilities for the kernel linker.

3 files changed, 212 insertions, 0 deletions

diff --git a/sbin/kldstat/Makefile b/sbin/kldstat/Makefile
new file mode 100644
index 0000000..27cdf27
--- /dev/null
+++ b/sbin/kldstat/Makefile
@@ -0,0 +1,33 @@
+#
+# Copyright (c) 1997 Doug Rabson
+# 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.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
+#
+#	$Id$
+#
+
+PROG=	kldstat
+SRCS=	kldstat.c
+MAN8=	kldstat.8
+
+.include <bsd.prog.mk>
diff --git a/sbin/kldstat/kldstat.8 b/sbin/kldstat/kldstat.8
new file mode 100644
index 0000000..bafdb220
--- /dev/null
+++ b/sbin/kldstat/kldstat.8
@@ -0,0 +1,60 @@
+.\"
+.\" Copyright (c) 1997 Doug Rabson
+.\" 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.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
+.\"
+.\"	$Id$
+.\"
+.Dd April 25, 1997
+.Dt KLDSTAT 8
+.Os
+.Sh NAME
+.Nm kldstat
+.Nd display status of dynamic kernel linker
+.Sh SYNOPSIS
+.Nm kldstat
+.Op Fl v
+.Op Fl i Ar id
+.Op Fl n Ar filename
+.Sh DESCRIPTION
+The
+.Nm
+utility displays the status of any files dynamically linked into the
+kernel.
+.Pp
+The options are:
+.Bl -tag -width indent
+.It Fl v
+Be more verbose.
+.It Fl i Ar id
+Display the status of only the file with this ID.
+.It Fl n Ar name
+Display the status of only the file with this name.
+.El
+.Sh SEE ALSO
+.Xr kldload 8 ,
+.Xr kldunload 8
+.Sh AUTHOR
+.Bl -tag
+Doug Rabson, dfr@freebsd.org
+.El.
diff --git a/sbin/kldstat/kldstat.c b/sbin/kldstat/kldstat.c
new file mode 100644
index 0000000..edb045f
--- /dev/null
+++ b/sbin/kldstat/kldstat.c
@@ -0,0 +1,119 @@
+/*-
+ * Copyright (c) 1997 Doug Rabson
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
+ *
+ *	$Id$
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/module.h>
+#include <sys/linker.h>
+
+static char* progname;
+
+static void printmod(int modid)
+{
+    struct module_stat stat;
+
+    stat.version = sizeof(struct module_stat);
+    if (modstat(modid, &stat) < 0)
+	warn(1, "Can't state module");
+    else
+	printf("\t\t%2d %s\n", stat.id, stat.name);
+}
+
+static void printfile(int fileid, int verbose)
+{
+    struct kld_file_stat stat;
+    int modid;
+
+    stat.version = sizeof(struct kld_file_stat);
+    if (kldstat(fileid, &stat) < 0)
+	warn(1, "Can't stat file");
+    else
+	printf("%2d %4d %-8x %-8x %s\n",
+	       stat.id, stat.refs, stat.address, stat.size, stat.name);
+
+    if (verbose) {
+	printf("\tContains modules:\n");
+	printf("\t\tId Name\n");
+	for (modid = kldfirstmod(fileid); modid > 0;
+	     modid = modfnext(modid))
+	    printmod(modid);
+    }
+}
+
+static void
+usage()
+{
+    fprintf(stderr, "usage: %s [-v]\n", progname);
+    exit(1);
+}
+
+int main(int argc, char** argv)
+{
+    int c;
+    int verbose = 0;
+    int fileid = 0;
+    char* filename = 0;
+
+    progname = argv[0];
+    while ((c = getopt(argc, argv, "vi:n:")) != -1)
+	switch (c) {
+	case 'v':
+	    verbose = 1;
+	    break;
+	case 'i':
+	    fileid = atoi(optarg);
+	    break;
+	case 'n':
+	    filename = optarg;
+	    break;
+	default:
+	    usage();
+	}
+    argc -= optind;
+    argv += optind;
+
+    if (argc != 0)
+	usage();
+
+    if (filename) {
+	fileid = kldfind(filename);
+	if (fileid < 0)
+	    err(1, "Can't find file %s", filename);
+    }
+
+    printf("Id Refs Address  Size     Name\n");
+    if (fileid)
+	printfile(fileid, verbose);
+    else
+	for (fileid = kldnext(0); fileid > 0; fileid = kldnext(fileid))
+	    printfile(fileid, verbose);
+
+    return 0;
+}