[src/trunk]: src/sys/ddb ddb: Cast pointer to uintptr_t, then to db_expr_t.

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

details:   https://anonhg.NetBSD.org/src/rev/ba8ced882b6f
branches:  trunk
changeset: 377453:ba8ced882b6f
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Wed Jul 12 12:50:46 2023 +0000

description:
ddb: Cast pointer to uintptr_t, then to db_expr_t.

Avoids warnings about conversion between pointer and integer of
different size on some architectures.

diffstat:

 sys/ddb/db_syncobj.c |  8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diffs (36 lines):

diff -r 7a2f930c8809 -r ba8ced882b6f sys/ddb/db_syncobj.c
--- a/sys/ddb/db_syncobj.c      Wed Jul 12 12:50:12 2023 +0000
+++ b/sys/ddb/db_syncobj.c      Wed Jul 12 12:50:46 2023 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: db_syncobj.c,v 1.1 2023/07/09 17:10:47 riastradh Exp $ */
+/*     $NetBSD: db_syncobj.c,v 1.2 2023/07/12 12:50:46 riastradh Exp $ */
 
 /*-
  * Copyright (c) 2023 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
 #define        __RWLOCK_PRIVATE
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: db_syncobj.c,v 1.1 2023/07/09 17:10:47 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: db_syncobj.c,v 1.2 2023/07/12 12:50:46 riastradh Exp $");
 
 #include <sys/types.h>
 
@@ -48,7 +48,7 @@ db_syncobj_owner(struct syncobj *sobj, w
        db_expr_t rw_syncobj_;
 
        if (db_value_of_name("mutex_syncobj", &mutex_syncobj_) &&
-           (db_expr_t)sobj == mutex_syncobj_) {
+           (db_expr_t)(uintptr_t)sobj == mutex_syncobj_) {
                volatile const struct kmutex *mtx = wchan;
                uintptr_t owner;
 
@@ -57,7 +57,7 @@ db_syncobj_owner(struct syncobj *sobj, w
                return (struct lwp *)(owner & MUTEX_THREAD);
 
        } else if (db_value_of_name("rw_syncobj", &rw_syncobj_) &&
-           (db_expr_t)sobj == rw_syncobj_) {
+           (db_expr_t)(uintptr_t)sobj == rw_syncobj_) {
                volatile const struct krwlock *rw = wchan;
                uintptr_t owner;