summaryrefslogtreecommitdiff
path: root/sys/compat/linux32/common
diff options
context:
space:
mode:
authornjoly <njoly@NetBSD.org>2009-06-04 17:59:30 +0000
committernjoly <njoly@NetBSD.org>2009-06-04 17:59:30 +0000
commit33fdfb68efa654878e4e0ccc67dcd145a20ce471 (patch)
tree4402c7080a6cbccbb5ec12b6af1a9c3203a0a5f8 /sys/compat/linux32/common
parent432691963cc7201a59456c7690e5d965844fdf5c (diff)
Add stat/lstat/fstat syscalls.
Diffstat (limited to 'sys/compat/linux32/common')
-rw-r--r--sys/compat/linux32/common/linux32_stat.c89
1 files changed, 87 insertions, 2 deletions
diff --git a/sys/compat/linux32/common/linux32_stat.c b/sys/compat/linux32/common/linux32_stat.c
index a5104861fc9..327a93dabfb 100644
--- a/sys/compat/linux32/common/linux32_stat.c
+++ b/sys/compat/linux32/common/linux32_stat.c
@@ -1,4 +1,4 @@
-/* $NetBSD: linux32_stat.c,v 1.15 2009/06/03 15:13:26 njoly Exp $ */
+/* $NetBSD: linux32_stat.c,v 1.16 2009/06/04 17:59:30 njoly Exp $ */
/*-
* Copyright (c) 2006 Emmanuel Dreyfus, all rights reserved.
@@ -33,7 +33,7 @@
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: linux32_stat.c,v 1.15 2009/06/03 15:13:26 njoly Exp $");
+__KERNEL_RCSID(0, "$NetBSD: linux32_stat.c,v 1.16 2009/06/04 17:59:30 njoly Exp $");
#include <sys/types.h>
#include <sys/param.h>
@@ -74,11 +74,39 @@ __KERNEL_RCSID(0, "$NetBSD: linux32_stat.c,v 1.15 2009/06/03 15:13:26 njoly Exp
#include <compat/linux32/common/linux32_socketcall.h>
#include <compat/linux32/linux32_syscallargs.h>
+static inline void bsd_to_linux32_stat(struct stat *, struct linux32_stat *);
static inline void bsd_to_linux32_stat64(struct stat *, struct linux32_stat64 *);
#define linux_fakedev(x,y) (x)
static inline void
+bsd_to_linux32_stat(struct stat *st, struct linux32_stat *st32)
+{
+ memset(st32, 0, sizeof(*st32));
+ st32->lst_dev = linux_fakedev(st->st_dev, 0);
+ st32->lst_ino = st->st_ino;
+ st32->lst_mode = st->st_mode;
+ if (st->st_nlink >= (1 << 15))
+ st32->lst_nlink = (1 << 15) - 1;
+ else
+ st32->lst_nlink = st->st_nlink;
+ st32->lst_uid = st->st_uid;
+ st32->lst_gid = st->st_gid;
+ st32->lst_rdev = linux_fakedev(st->st_rdev, 0);
+ st32->lst_size = st->st_size;
+ st32->lst_blksize = st->st_blksize;
+ st32->lst_blocks = st->st_blocks;
+ st32->lst_atime = st->st_atime;
+ st32->lst_mtime = st->st_mtime;
+ st32->lst_ctime = st->st_ctime;
+#ifdef LINUX32_STAT_HAS_NSEC
+ st32->lst_atime_nsec = st->st_atimensec;
+ st32->lst_mtime_nsec = st->st_mtimensec;
+ st32->lst_ctime_nsec = st->st_ctimensec;
+#endif
+}
+
+static inline void
bsd_to_linux32_stat64(struct stat *st, struct linux32_stat64 *st32)
{
memset(st32, 0, sizeof(*st32));
@@ -109,6 +137,63 @@ bsd_to_linux32_stat64(struct stat *st, struct linux32_stat64 *st32)
}
int
+linux32_sys_stat(struct lwp *l, const struct linux32_sys_stat_args *uap, register_t *retval)
+{
+ /* {
+ syscallarg(netbsd32_charp) path;
+ syscallarg(linux32_statp) sp;
+ } */
+ int error;
+ struct stat st;
+ struct linux32_stat st32;
+
+ error = do_sys_stat(SCARG_P32(uap, path), FOLLOW, &st);
+ if (error != 0)
+ return error;
+
+ bsd_to_linux32_stat(&st, &st32);
+ return copyout(&st32, SCARG_P32(uap, sp), sizeof(st32));
+}
+
+int
+linux32_sys_lstat(struct lwp *l, const struct linux32_sys_lstat_args *uap, register_t *retval)
+{
+ /* {
+ syscallarg(netbsd32_charp) path;
+ syscallarg(linux32_statp) sp;
+ } */
+ int error;
+ struct stat st;
+ struct linux32_stat st32;
+
+ error = do_sys_stat(SCARG_P32(uap, path), NOFOLLOW, &st);
+ if (error != 0)
+ return error;
+
+ bsd_to_linux32_stat(&st, &st32);
+ return copyout(&st32, SCARG_P32(uap, sp), sizeof(st32));
+}
+
+int
+linux32_sys_fstat(struct lwp *l, const struct linux32_sys_fstat_args *uap, register_t *retval)
+{
+ /* {
+ syscallarg(int) fd;
+ syscallarg(linux32_statp) sp;
+ } */
+ int error;
+ struct stat st;
+ struct linux32_stat st32;
+
+ error = do_sys_fstat(SCARG(uap, fd), &st);
+ if (error != 0)
+ return error;
+
+ bsd_to_linux32_stat(&st, &st32);
+ return copyout(&st32, SCARG_P32(uap, sp), sizeof(st32));
+}
+
+int
linux32_sys_stat64(struct lwp *l, const struct linux32_sys_stat64_args *uap, register_t *retval)
{
/* {