compat.c File Reference

#include <linux/stddef.h>
#include <linux/kernel.h>
#include <linux/linkage.h>
#include <linux/compat.h>
#include <linux/errno.h>
#include <linux/time.h>
#include <linux/fs.h>
#include <linux/fcntl.h>
#include <linux/namei.h>
#include <linux/file.h>
#include <linux/fdtable.h>
#include <linux/vfs.h>
#include <linux/ioctl.h>
#include <linux/init.h>
#include <linux/ncp_mount.h>
#include <linux/nfs4_mount.h>
#include <linux/syscalls.h>
#include <linux/ctype.h>
#include <linux/dirent.h>
#include <linux/fsnotify.h>
#include <linux/highuid.h>
#include <linux/personality.h>
#include <linux/rwsem.h>
#include <linux/tsacct_kern.h>
#include <linux/security.h>
#include <linux/highmem.h>
#include <linux/signal.h>
#include <linux/poll.h>
#include <linux/mm.h>
#include <linux/eventpoll.h>
#include <linux/fs_struct.h>
#include <linux/slab.h>
#include <linux/pagemap.h>
#include <asm/uaccess.h>
#include <asm/mmu_context.h>
#include <asm/ioctls.h>
#include "internal.h"
#include "read_write.h"

Go to the source code of this file.

Data Structures
struct	compat_ncp_mount_data
struct	compat_ncp_mount_data_v4
struct	compat_nfs_string
struct	compat_nfs4_mount_data_v1
struct	compat_old_linux_dirent
struct	compat_readdir_callback
struct	compat_linux_dirent
struct	compat_getdents_callback
struct	compat_getdents_callback64
struct	compat_sel_arg_struct

Macros
#define	vrfy_dir(type)   ((type) == READ ? VERIFY_WRITE : VERIFY_READ)
#define	MAX_AIO_SUBMITS   (PAGE_SIZE/sizeof(struct iocb *))
#define	NCPFS_NAME   "ncpfs"
#define	NFS4_NAME   "nfs4"
#define	__COMPAT_NFDBITS   (8 * sizeof(compat_ulong_t))

Functions
int	compat_printk (const char *fmt,...)
asmlinkage long	compat_sys_utime (const char __user *filename, struct compat_utimbuf __user *t)
asmlinkage long	compat_sys_utimensat (unsigned int dfd, const char __user *filename, struct compat_timespec __user *t, int flags)
asmlinkage long	compat_sys_futimesat (unsigned int dfd, const char __user *filename, struct compat_timeval __user *t)
asmlinkage long	compat_sys_utimes (const char __user *filename, struct compat_timeval __user *t)
asmlinkage long	compat_sys_newstat (const char __user *filename, struct compat_stat __user *statbuf)
asmlinkage long	compat_sys_newlstat (const char __user *filename, struct compat_stat __user *statbuf)
asmlinkage long	compat_sys_newfstatat (unsigned int dfd, const char __user *filename, struct compat_stat __user *statbuf, int flag)
asmlinkage long	compat_sys_newfstat (unsigned int fd, struct compat_stat __user *statbuf)
asmlinkage long	compat_sys_statfs (const char __user *pathname, struct compat_statfs __user *buf)
asmlinkage long	compat_sys_fstatfs (unsigned int fd, struct compat_statfs __user *buf)
asmlinkage long	compat_sys_statfs64 (const char __user *pathname, compat_size_t sz, struct compat_statfs64 __user *buf)
asmlinkage long	compat_sys_fstatfs64 (unsigned int fd, compat_size_t sz, struct compat_statfs64 __user *buf)
asmlinkage long	compat_sys_ustat (unsigned dev, struct compat_ustat __user *u)
asmlinkage long	compat_sys_fcntl64 (unsigned int fd, unsigned int cmd, unsigned long arg)
asmlinkage long	compat_sys_fcntl (unsigned int fd, unsigned int cmd, unsigned long arg)
asmlinkage long	compat_sys_io_setup (unsigned nr_reqs, u32 __user *ctx32p)
asmlinkage long	compat_sys_io_getevents (aio_context_t ctx_id, unsigned long min_nr, unsigned long nr, struct io_event __user *events, struct compat_timespec __user *timeout)
ssize_t	compat_rw_copy_check_uvector (int type, const struct compat_iovec __user *uvector, unsigned long nr_segs, unsigned long fast_segs, struct iovec *fast_pointer, struct iovec **ret_pointer)
asmlinkage long	compat_sys_io_submit (aio_context_t ctx_id, int nr, u32 __user *iocb)
asmlinkage long	compat_sys_mount (const char __user *dev_name, const char __user *dir_name, const char __user *type, unsigned long flags, const void __user *data)
asmlinkage long	compat_sys_old_readdir (unsigned int fd, struct compat_old_linux_dirent __user *dirent, unsigned int count)
asmlinkage long	compat_sys_getdents (unsigned int fd, struct compat_linux_dirent __user *dirent, unsigned int count)
asmlinkage long	compat_sys_getdents64 (unsigned int fd, struct linux_dirent64 __user *dirent, unsigned int count)
asmlinkage ssize_t	compat_sys_readv (unsigned long fd, const struct compat_iovec __user *vec, unsigned long vlen)
asmlinkage ssize_t	compat_sys_preadv64 (unsigned long fd, const struct compat_iovec __user *vec, unsigned long vlen, loff_t pos)
asmlinkage ssize_t	compat_sys_preadv (unsigned long fd, const struct compat_iovec __user *vec, unsigned long vlen, u32 pos_low, u32 pos_high)
asmlinkage ssize_t	compat_sys_writev (unsigned long fd, const struct compat_iovec __user *vec, unsigned long vlen)
asmlinkage ssize_t	compat_sys_pwritev64 (unsigned long fd, const struct compat_iovec __user *vec, unsigned long vlen, loff_t pos)
asmlinkage ssize_t	compat_sys_pwritev (unsigned long fd, const struct compat_iovec __user *vec, unsigned long vlen, u32 pos_low, u32 pos_high)
asmlinkage long	compat_sys_vmsplice (int fd, const struct compat_iovec __user *iov32, unsigned int nr_segs, unsigned int flags)
asmlinkage long	compat_sys_open (const char __user *filename, int flags, umode_t mode)
asmlinkage long	compat_sys_openat (unsigned int dfd, const char __user *filename, int flags, umode_t mode)
int	compat_core_sys_select (int n, compat_ulong_t __user *inp, compat_ulong_t __user *outp, compat_ulong_t __user *exp, struct timespec *end_time)
asmlinkage long	compat_sys_select (int n, compat_ulong_t __user *inp, compat_ulong_t __user *outp, compat_ulong_t __user *exp, struct compat_timeval __user *tvp)
asmlinkage long	compat_sys_old_select (struct compat_sel_arg_struct __user *arg)
asmlinkage long	compat_sys_pselect6 (int n, compat_ulong_t __user *inp, compat_ulong_t __user *outp, compat_ulong_t __user *exp, struct compat_timespec __user *tsp, void __user *sig)
asmlinkage long	compat_sys_ppoll (struct pollfd __user *ufds, unsigned int nfds, struct compat_timespec __user *tsp, const compat_sigset_t __user *sigmask, compat_size_t sigsetsize)

Variables
int	compat_log = 1

Macro Definition Documentation

#define __COMPAT_NFDBITS   (8 * sizeof(compat_ulong_t))

Definition at line 1297 of file compat.c.

#define MAX_AIO_SUBMITS   (PAGE_SIZE/sizeof(struct iocb *))

Definition at line 616 of file compat.c.

#define NCPFS_NAME   "ncpfs"

Definition at line 768 of file compat.c.

#define NFS4_NAME   "nfs4"

Definition at line 769 of file compat.c.

#define vrfy_dir

(

type

)

((type) == READ ? VERIFY_WRITE : VERIFY_READ)

Definition at line 530 of file compat.c.

Function Documentation

int compat_core_sys_select	(	int	n,
		compat_ulong_t __user *	inp,
		compat_ulong_t __user *	outp,
		compat_ulong_t __user *	exp,
		struct timespec *	end_time
	)

Definition at line 1427 of file compat.c.

int compat_printk	(	const char *	fmt,
			...
	)

Definition at line 59 of file compat.c.

ssize_t compat_rw_copy_check_uvector	(	int	type,
		const struct compat_iovec __user *	uvector,
		unsigned long	nr_segs,
		unsigned long	fast_segs,
		struct iovec *	fast_pointer,
		struct iovec **	ret_pointer
	)

Definition at line 532 of file compat.c.

asmlinkage long compat_sys_fcntl	(	unsigned int	fd,
		unsigned int	cmd,
		unsigned long	arg
	)

Definition at line 473 of file compat.c.

asmlinkage long compat_sys_fcntl64	(	unsigned int	fd,
		unsigned int	cmd,
		unsigned long	arg
	)

Definition at line 404 of file compat.c.

asmlinkage long compat_sys_fstatfs	(	unsigned int	fd,
		struct compat_statfs __user *	buf
	)

Definition at line 261 of file compat.c.

asmlinkage long compat_sys_fstatfs64	(	unsigned int	fd,
		compat_size_t	sz,
		struct compat_statfs64 __user *	buf
	)

Definition at line 317 of file compat.c.

asmlinkage long compat_sys_futimesat	(	unsigned int	dfd,
		const char __user *	filename,
		struct compat_timeval __user *	t
	)

Definition at line 107 of file compat.c.

asmlinkage long compat_sys_getdents	(	unsigned int	fd,
		struct compat_linux_dirent __user *	dirent,
		unsigned int	count
	)

Definition at line 947 of file compat.c.

asmlinkage long compat_sys_getdents64	(	unsigned int	fd,
		struct linux_dirent64 __user *	dirent,
		unsigned int	count
	)

Definition at line 1032 of file compat.c.

asmlinkage long compat_sys_io_getevents	(	aio_context_t	ctx_id,
		unsigned long	min_nr,
		unsigned long	nr,
		struct io_event __user *	events,
		struct compat_timespec __user *	timeout
	)

Definition at line 502 of file compat.c.

asmlinkage long compat_sys_io_setup	(	unsigned	nr_reqs,
		u32 __user *	ctx32p
	)

Definition at line 482 of file compat.c.

asmlinkage long compat_sys_io_submit	(	aio_context_t	ctx_id,
		int	nr,
		u32 __user *	iocb
	)

Definition at line 619 of file compat.c.

asmlinkage long compat_sys_mount	(	const char __user *	dev_name,
		const char __user *	dir_name,
		const char __user *	type,
		unsigned long	flags,
		const void __user *	data
	)

Definition at line 771 of file compat.c.

asmlinkage long compat_sys_newfstat	(	unsigned int	fd,
		struct compat_stat __user *	statbuf
	)

Definition at line 203 of file compat.c.

asmlinkage long compat_sys_newfstatat	(	unsigned int	dfd,
		const char __user *	filename,
		struct compat_stat __user *	statbuf,
		int	flag
	)

Definition at line 189 of file compat.c.

asmlinkage long compat_sys_newlstat	(	const char __user *	filename,
		struct compat_stat __user *	statbuf
	)

Definition at line 176 of file compat.c.

asmlinkage long compat_sys_newstat	(	const char __user *	filename,
		struct compat_stat __user *	statbuf
	)

Definition at line 164 of file compat.c.

asmlinkage long compat_sys_old_readdir	(	unsigned int	fd,
		struct compat_old_linux_dirent __user *	dirent,
		unsigned int	count
	)

Definition at line 869 of file compat.c.

asmlinkage long compat_sys_old_select

(

struct compat_sel_arg_struct __user *

arg

)

Definition at line 1531 of file compat.c.

asmlinkage long compat_sys_open	(	const char __user *	filename,
		int	flags,
		umode_t	mode
	)

Definition at line 1282 of file compat.c.

asmlinkage long compat_sys_openat	(	unsigned int	dfd,
		const char __user *	filename,
		int	flags,
		umode_t	mode
	)

Definition at line 1292 of file compat.c.

asmlinkage long compat_sys_ppoll	(	struct pollfd __user *	ufds,
		unsigned int	nfds,
		struct compat_timespec __user *	tsp,
		const compat_sigset_t __user *	sigmask,
		compat_size_t	sigsetsize
	)

Definition at line 1611 of file compat.c.

asmlinkage ssize_t compat_sys_preadv	(	unsigned long	fd,
		const struct compat_iovec __user *	vec,
		unsigned long	vlen,
		u32	pos_low,
		u32	pos_high
	)

Definition at line 1184 of file compat.c.

asmlinkage ssize_t compat_sys_preadv64	(	unsigned long	fd,
		const struct compat_iovec __user *	vec,
		unsigned long	vlen,
		loff_t	pos
	)

Definition at line 1165 of file compat.c.

asmlinkage long compat_sys_pselect6	(	int	n,
		compat_ulong_t __user *	inp,
		compat_ulong_t __user *	outp,
		compat_ulong_t __user *	exp,
		struct compat_timespec __user *	tsp,
		void __user *	sig
	)

Definition at line 1592 of file compat.c.

asmlinkage ssize_t compat_sys_pwritev	(	unsigned long	fd,
		const struct compat_iovec __user *	vec,
		unsigned long	vlen,
		u32	pos_low,
		u32	pos_high
	)

Definition at line 1250 of file compat.c.

asmlinkage ssize_t compat_sys_pwritev64	(	unsigned long	fd,
		const struct compat_iovec __user *	vec,
		unsigned long	vlen,
		loff_t	pos
	)

Definition at line 1231 of file compat.c.

asmlinkage ssize_t compat_sys_readv	(	unsigned long	fd,
		const struct compat_iovec __user *	vec,
		unsigned long	vlen
	)

Definition at line 1148 of file compat.c.

asmlinkage long compat_sys_select	(	int	n,
		compat_ulong_t __user *	inp,
		compat_ulong_t __user *	outp,
		compat_ulong_t __user *	exp,
		struct compat_timeval __user *	tvp
	)

Definition at line 1498 of file compat.c.

asmlinkage long compat_sys_statfs	(	const char __user *	pathname,
		struct compat_statfs __user *	buf
	)

Definition at line 252 of file compat.c.

asmlinkage long compat_sys_statfs64	(	const char __user *	pathname,
		compat_size_t	sz,
		struct compat_statfs64 __user *	buf
	)

Definition at line 303 of file compat.c.

asmlinkage long compat_sys_ustat	(	unsigned	dev,
		struct compat_ustat __user *	u
	)

Definition at line 336 of file compat.c.

asmlinkage long compat_sys_utime	(	const char __user *	filename,
		struct compat_utimbuf __user *	t
	)

Definition at line 77 of file compat.c.

asmlinkage long compat_sys_utimensat	(	unsigned int	dfd,
		const char __user *	filename,
		struct compat_timespec __user *	t,
		int	flags
	)

Definition at line 92 of file compat.c.

asmlinkage long compat_sys_utimes	(	const char __user *	filename,
		struct compat_timeval __user *	t
	)

Definition at line 126 of file compat.c.

asmlinkage long compat_sys_vmsplice	(	int	fd,
		const struct compat_iovec __user *	iov32,
		unsigned int	nr_segs,
		unsigned int	flags
	)

Definition at line 1258 of file compat.c.

asmlinkage ssize_t compat_sys_writev	(	unsigned long	fd,
		const struct compat_iovec __user *	vec,
		unsigned long	vlen
	)

Definition at line 1214 of file compat.c.

Variable Documentation

int compat_log = 1

Definition at line 57 of file compat.c.