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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Minios-devel] [UNIKRAFT/NEWLIB PATCH 1/2] update newlib glue for use with vfscore
Consists of multiple fixes:
- remove stubs of the functions provided by vfscore
- import mount.h, statfs.h, uio.h from nolibc (minimal changes)
- add stub for sigfillset
Signed-off-by: Yuri Volchkov <yuri.volchkov@xxxxxxxxx>
---
file.c | 37 ---------------
include/sys/mount.h | 109 +++++++++++++++++++++++++++++++++++++++++++
include/sys/statfs.h | 36 ++++++++++++++
include/sys/uio.h | 74 +++++++++++++++++++++++++++++
plat.c | 6 +++
5 files changed, 225 insertions(+), 37 deletions(-)
create mode 100644 include/sys/mount.h
create mode 100644 include/sys/statfs.h
create mode 100644 include/sys/uio.h
diff --git a/file.c b/file.c
index 9fd7809..05d29b5 100644
--- a/file.c
+++ b/file.c
@@ -45,49 +45,17 @@ extern int errno;
#define STDOUT_FILENO 1 /* standard output file descriptor */
#define STDERR_FILENO 2 /* standard error file descriptor */
-int open(const char *name __unused, int flags __unused, int mode __unused)
-{
- return -1;
-}
-
-int fstat(int file __unused, struct stat *st)
-{
- st->st_mode = S_IFCHR;
- return 0;
-}
-
-int stat(const char *path __unused, struct stat *buf __unused)
-{
- return -1;
-}
-
-int mkdir(const char *_path __unused, mode_t __mode __unused)
-{
- return -1;
-}
-
int link(char *old __unused, char *new __unused)
{
errno = EMLINK;
return -1;
}
-int unlink(char *name __unused)
-{
- errno = ENOENT;
- return -1;
-}
-
int lseek(int file __unused, int ptr __unused, int dir __unused)
{
return 0;
}
-int chmod(const char *pathname __unused, mode_t mode __unused)
-{
- return 0;
-}
-
int access(const char *path __unused, int amode __unused)
{
return 0;
@@ -138,11 +106,6 @@ long pathconf(const char *path __unused, int name __unused)
return 0;
}
-int dup2(int oldfd __unused, int newfd __unused)
-{
- return 0;
-}
-
#include <sys/mman.h>
void *mmap(void *addr __unused, size_t len __unused, int prot __unused,
int flags __unused, int fildes __unused, off_t off __unused)
diff --git a/include/sys/mount.h b/include/sys/mount.h
new file mode 100644
index 0000000..d7a95b3
--- /dev/null
+++ b/include/sys/mount.h
@@ -0,0 +1,109 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+/*
+ * Copyright (C) 2013 Cloudius Systems, Ltd.
+ * Copyright (c) 2019, NEC Europe Ltd., NEC Corporation.
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holder nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * THIS HEADER MAY NOT BE EXTRACTED OR MODIFIED IN ANY WAY.
+ */
+
+#ifndef _SYS_MOUNT_H
+#define _SYS_MOUNT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+#define BLKROSET _IO(0x12, 93)
+#define BLKROGET _IO(0x12, 94)
+#define BLKRRPART _IO(0x12, 95)
+#define BLKGETSIZE _IO(0x12, 96)
+#define BLKFLSBUF _IO(0x12, 97)
+#define BLKRASET _IO(0x12, 98)
+#define BLKRAGET _IO(0x12, 99)
+#define BLKFRASET _IO(0x12, 100)
+#define BLKFRAGET _IO(0x12, 101)
+#define BLKSECTSET _IO(0x12, 102)
+#define BLKSECTGET _IO(0x12, 103)
+#define BLKSSZGET _IO(0x12, 104)
+#define BLKBSZGET _IOR(0x12, 112, size_t)
+#define BLKBSZSET _IOW(0x12, 113, size_t)
+#define BLKGETSIZE64 _IOR(0x12, 114, size_t)
+
+#define MS_RDONLY 1
+#define MS_NOSUID 2
+#define MS_NODEV 4
+#define MS_NOEXEC 8
+#define MS_SYNCHRONOUS 16
+#define MS_REMOUNT 32
+#define MS_MANDLOCK 64
+#define MS_DIRSYNC 128
+#define MS_NOATIME 1024
+#define MS_NODIRATIME 2048
+#define MS_BIND 4096
+#define MS_MOVE 8192
+#define MS_REC 16384
+#define MS_SILENT 32768
+#define MS_POSIXACL (1<<16)
+#define MS_UNBINDABLE (1<<17)
+#define MS_PRIVATE (1<<18)
+#define MS_SLAVE (1<<19)
+#define MS_SHARED (1<<20)
+#define MS_RELATIME (1<<21)
+#define MS_KERNMOUNT (1<<22)
+#define MS_I_VERSION (1<<23)
+#define MS_STRICTATIME (1<<24)
+#define MS_LAZYTIME (1<<25)
+#define MS_NOREMOTELOCK (1<<27)
+#define MS_NOSEC (1<<28)
+#define MS_BORN (1<<29)
+#define MS_ACTIVE (1<<30)
+#define MS_NOUSER (1U<<31)
+
+#define MS_RMT_MASK
(MS_RDONLY|MS_SYNCHRONOUS|MS_MANDLOCK|MS_I_VERSION|MS_LAZYTIME)
+
+#define MS_MGC_VAL 0xc0ed0000
+#define MS_MGC_MSK 0xffff0000
+
+#define MNT_FORCE 1
+#define MNT_DETACH 2
+#define MNT_EXPIRE 4
+#define UMOUNT_NOFOLLOW 8
+
+int mount(const char *dev, const char *dir, const char *fsname,
+ unsigned long flags, const void *data);
+int umount(const char *path);
+int umount2(const char *path, int flags);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/include/sys/statfs.h b/include/sys/statfs.h
new file mode 100644
index 0000000..59de629
--- /dev/null
+++ b/include/sys/statfs.h
@@ -0,0 +1,36 @@
+#ifndef _SYS_STATFS_H
+#define _SYS_STATFS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <sys/statvfs.h>
+
+typedef struct __fsid_t {
+ int __val[2];
+} fsid_t;
+
+struct statfs {
+ unsigned long f_type, f_bsize;
+ fsblkcnt_t f_blocks, f_bfree, f_bavail;
+ fsfilcnt_t f_files, f_ffree;
+ fsid_t f_fsid;
+ unsigned long f_namelen, f_frsize, f_flags, f_spare[4];
+};
+
+int statfs(const char *path, struct statfs *buf);
+int fstatfs(int fd, struct statfs *buf);
+
+#if defined(_LARGEFILE64_SOURCE) || defined(_GNU_SOURCE)
+#define statfs64 statfs
+#define fstatfs64 fstatfs
+#define fsblkcnt64_t fsblkcnt_t
+#define fsfilcnt64_t fsfilcnt_t
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/include/sys/uio.h b/include/sys/uio.h
new file mode 100644
index 0000000..cfec9cc
--- /dev/null
+++ b/include/sys/uio.h
@@ -0,0 +1,74 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+/*
+ * Copyright (C) 2013 Cloudius Systems, Ltd.
+ * Copyright (c) 2019, NEC Europe Ltd., NEC Corporation.
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holder nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * THIS HEADER MAY NOT BE EXTRACTED OR MODIFIED IN ANY WAY.
+ */
+
+#ifndef _SYS_UIO_H
+#define _SYS_UIO_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define __NEED_size_t
+#define __NEED_ssize_t
+#define __NEED_struct_iovec
+
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+#define __NEED_off_t
+#endif
+
+#ifdef _GNU_SOURCE
+#define __NEED_pid_t
+#endif
+
+#define UIO_MAXIOV 1024
+
+ssize_t readv(int fd, const struct iovec *iov, int iovcnt);
+ssize_t writev(int fd, const struct iovec *iov, int iovcnt);
+
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+ssize_t preadv(int fd, const struct iovec *iov, int iovcnt, off_t offset);
+ssize_t pwritev(int fd, const struct iovec *iov, int iovcnt, off_t offset);
+#if defined(_LARGEFILE64_SOURCE) || defined(_GNU_SOURCE)
+#define preadv64 preadv
+#define pwritev64 pwritev
+#define off64_t off_t
+#endif
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/plat.c b/plat.c
index df07dce..f678694 100644
--- a/plat.c
+++ b/plat.c
@@ -55,6 +55,12 @@ int sigprocmask(int how __unused, const sigset_t *set
__unused,
return -1;
}
+int sigfillset(sigset_t *set __unused)
+{
+ errno = ENOTSUP;
+ return -1;
+}
+
#include <uk/plat/bootstrap.h>
void abort(void)
--
2.19.2
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