[src/trunk]: src/sys/compat/netbsd32 Use netbsd32_* types instead of relying ...

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

details:   https://anonhg.NetBSD.org/src/rev/cca094925271
branches:  trunk
changeset: 949420:cca094925271
user:      simonb <simonb%NetBSD.org@localhost>
date:      Thu Jan 14 02:43:04 2021 +0000

description:
Use netbsd32_* types instead of relying on __packed in the vnd ioctl
structures.  __packed didn't work on archs where 64-bit types were
64-bit aligned with a 32-bit ABI (eg MIPS n32).

OK mrg@

diffstat:

 sys/compat/netbsd32/netbsd32_ioctl.h |  18 ++++++++----------
 1 files changed, 8 insertions(+), 10 deletions(-)

diffs (47 lines):

diff -r f20324cddce7 -r cca094925271 sys/compat/netbsd32/netbsd32_ioctl.h
--- a/sys/compat/netbsd32/netbsd32_ioctl.h      Wed Jan 13 23:54:21 2021 +0000
+++ b/sys/compat/netbsd32/netbsd32_ioctl.h      Thu Jan 14 02:43:04 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: netbsd32_ioctl.h,v 1.73 2020/09/07 03:12:51 mrg Exp $  */
+/*     $NetBSD: netbsd32_ioctl.h,v 1.74 2021/01/14 02:43:04 simonb Exp $       */
 
 /*
  * Copyright (c) 1998, 2001 Matthew R. Green
@@ -42,6 +42,8 @@
 #include <netinet/ip_mroute.h>
 #include <net80211/ieee80211_ioctl.h>
 
+#include <compat/netbsd32/netbsd32.h>
+
 /* we define some handy macros here... */
 #define IOCTL_STRUCT_CONV_TO(cmd, type)        \
                size = IOCPARM_LEN(cmd); \
@@ -475,23 +477,19 @@
 /* from <sys/sockio.h> */
 #define        SIOCGETSGCNT32  _IOWR('u', 52, struct netbsd32_sioc_sg_req) /* sg pkt cnt */
 
-/*
- * The next two structures are marked "__packed" as they normally end up
- * being padded in 64-bit mode.
- */
 struct netbsd32_vnd_ioctl {
        netbsd32_charp  vnd_file;       /* pathname of file to mount */
        int             vnd_flags;      /* flags; see below */
        struct vndgeom  vnd_geom;       /* geometry to emulate */
        unsigned int    vnd_osize;      /* (returned) size of disk */
-       uint64_t        vnd_size;       /* (returned) size of disk */
-} __packed;
+       netbsd32_uint64 vnd_size;       /* (returned) size of disk */
+};
 
 struct netbsd32_vnd_user {
        int             vnu_unit;       /* which vnd unit */
-       dev_t           vnu_dev;        /* file is on this device... */
-       ino_t           vnu_ino;        /* ...at this inode */
-} __packed;
+       netbsd32_dev_t  vnu_dev;        /* file is on this device... */
+       netbsd32_ino_t  vnu_ino;        /* ...at this inode */
+};
 
 /* from <dev/vndvar.h> */
 #define VNDIOCSET32    _IOWR('F', 0, struct netbsd32_vnd_ioctl)        /* enable disk */