[src/trunk]: src/usr.bin/kdump Understand xattr ktruser records

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/6b3b6b673b0b
branches:  trunk
changeset: 1009311:6b3b6b673b0b
user:      christos <christos%NetBSD.org@localhost>
date:      Mon Apr 20 00:35:41 2020 +0000

description:
Understand xattr ktruser records

diffstat:

 usr.bin/kdump/kdump.c |  37 +++++++++++++++++++++++++++++++++++--
 1 files changed, 35 insertions(+), 2 deletions(-)

diffs (65 lines):

diff -r c3cfba797fa2 -r 6b3b6b673b0b usr.bin/kdump/kdump.c
--- a/usr.bin/kdump/kdump.c     Mon Apr 20 00:34:58 2020 +0000
+++ b/usr.bin/kdump/kdump.c     Mon Apr 20 00:35:41 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: kdump.c,v 1.136 2020/04/03 06:13:07 wiz Exp $  */
+/*     $NetBSD: kdump.c,v 1.137 2020/04/20 00:35:41 christos Exp $     */
 
 /*-
  * Copyright (c) 1988, 1993
@@ -39,7 +39,7 @@
 #if 0
 static char sccsid[] = "@(#)kdump.c    8.4 (Berkeley) 4/28/95";
 #else
-__RCSID("$NetBSD: kdump.c,v 1.136 2020/04/03 06:13:07 wiz Exp $");
+__RCSID("$NetBSD: kdump.c,v 1.137 2020/04/20 00:35:41 christos Exp $");
 #endif
 #endif /* not lint */
 
@@ -1213,6 +1213,36 @@
 }
 
 static void
+ktruser_xattr_name(const char *name, const void *buf, size_t len)
+{
+       printf("%.*s: [%*s]\n", KTR_USER_MAXIDLEN, name, (int)len,
+           (const char *)buf);
+}
+
+static void
+ktruser_xattr_val(const char *name, const void *buf, size_t len)
+{
+       const uint8_t *p = buf;
+       printf("%.*s: ", KTR_USER_MAXIDLEN, name);
+       for (size_t i = 0; i < len; i++)
+               printf("%.2x", *p++);
+       printf("\n");
+}
+
+static void
+ktruser_xattr_list(const char *name, const void *buf, size_t len)
+{
+       const uint8_t *p = buf, *ep = p + len;
+       printf("%.*s:", KTR_USER_MAXIDLEN, name);
+       while (p < ep) {
+               int l = *p++;
+               printf(" %.*s", l, p);
+               p += l;
+       }
+       printf("\n");
+}
+
+static void
 ktruser_control(const char *name, const void *buf, size_t len)
 {
        struct cmsghdr m;
@@ -1266,6 +1296,9 @@
        { "mbsoname", ktruser_soname },
        { "mbcontrol", ktruser_control },
        { "malloc", ktruser_malloc },
+       { "xattr-name", ktruser_xattr_name },
+       { "xattr-val", ktruser_xattr_val },
+       { "xattr-list", ktruser_xattr_list },
        { NULL, ktruser_misc },
 };