git: 72bbd1891498 - stable/15 - exterr: add exterr_db_print(), to be used by several ddb dumpers

The branch stable/15 has been updated by kib:

URL: https://cgit.FreeBSD.org/src/commit/?id=72bbd1891498036752c52ac5806292f369918611

commit 72bbd1891498036752c52ac5806292f369918611
Author:     Konstantin Belousov <kib@FreeBSD.org>
AuthorDate: 2025-11-04 20:51:19 +0000
Commit:     Konstantin Belousov <kib@FreeBSD.org>
CommitDate: 2025-12-01 03:40:55 +0000

    exterr: add exterr_db_print(), to be used by several ddb dumpers
    
    (cherry picked from commit 9521b0b91ea31b7f31b3800772ac6502c822ae56)
---
 sys/kern/sys_generic.c | 13 +++++++++++++
 sys/sys/exterrvar.h    |  1 +
 2 files changed, 14 insertions(+)

diff --git a/sys/kern/sys_generic.c b/sys/kern/sys_generic.c
index 79628f1389e4..5a7c6abec0cb 100644
--- a/sys/kern/sys_generic.c
+++ b/sys/kern/sys_generic.c
@@ -2358,3 +2358,16 @@ exterr_clear(struct kexterr *ke)
 {
 	memset(ke, 0, sizeof(*ke));
 }
+
+#include "opt_ddb.h"
+#ifdef DDB
+#include <ddb/ddb.h>
+
+void
+exterr_db_print(struct kexterr *ke)
+{
+	db_printf("errno %d cat %d msg %s p1 %#jx p2 %#jx line %d\n",
+	    ke->error, ke->cat, ke->msg == NULL ? "<none>" : ke->msg,
+	    (uintmax_t)ke->p1, (uintmax_t)ke->p2, ke->src_line);
+}
+#endif
diff --git a/sys/sys/exterrvar.h b/sys/sys/exterrvar.h
index 1e07f6afb547..8e2961356a1e 100644
--- a/sys/sys/exterrvar.h
+++ b/sys/sys/exterrvar.h
@@ -70,6 +70,7 @@
 	    _SET_ERROR0)(__VA_ARGS__)
 
 void exterr_clear(struct kexterr *ke);
+void exterr_db_print(struct kexterr *ke);
 int exterr_set_from(const struct kexterr *ke);
 int exterr_set(int eerror, int category, const char *mmsg, uintptr_t pp1,
     uintptr_t pp2, int line);