#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/fs.h>
#include <linux/mm.h>
#include <linux/file.h>
#include <linux/signal.h>
#include <linux/resource.h>
#include <linux/times.h>
#include <linux/smp.h>
#include <linux/sem.h>
#include <linux/msg.h>
#include <linux/shm.h>
#include <linux/uio.h>
#include <linux/quota.h>
#include <linux/module.h>
#include <linux/poll.h>
#include <linux/personality.h>
#include <linux/stat.h>
#include <linux/filter.h>
#include <linux/highmem.h>
#include <linux/highuid.h>
#include <linux/mman.h>
#include <linux/ipv6.h>
#include <linux/in.h>
#include <linux/icmpv6.h>
#include <linux/syscalls.h>
#include <linux/sysctl.h>
#include <linux/binfmts.h>
#include <linux/capability.h>
#include <linux/compat.h>
#include <linux/vfs.h>
#include <linux/ptrace.h>
#include <linux/fadvise.h>
#include <linux/ipc.h>
#include <linux/slab.h>
#include <asm/types.h>
#include <asm/uaccess.h>
#include <net/scm.h>
#include <net/sock.h>
#include "compat_linux.h"

Data Structures
struct	stat64_emu31

struct	mmap_arg_struct_emu31

struct	fadvise64_64_args

Macros
#define	high2lowuid(uid) ((uid) > 65535) ? (u16)overflowuid : (u16)(uid)

#define	high2lowgid(gid) ((gid) > 65535) ? (u16)overflowgid : (u16)(gid)

#define	low2highuid(uid) ((uid) == (u16)-1) ? (uid_t)-1 : (uid_t)(uid)

#define	low2highgid(gid) ((gid) == (u16)-1) ? (gid_t)-1 : (gid_t)(gid)

#define	SET_UID16(var, uid) var = high2lowuid(uid)

#define	SET_GID16(var, gid) var = high2lowgid(gid)

#define	NEW_TO_OLD_UID(uid) high2lowuid(uid)

#define	NEW_TO_OLD_GID(gid) high2lowgid(gid)

#define	SET_OLDSTAT_UID(stat, uid) (stat).st_uid = high2lowuid(uid)

#define	SET_OLDSTAT_GID(stat, gid) (stat).st_gid = high2lowgid(gid)

#define	SET_STAT_UID(stat, uid) (stat).st_uid = high2lowuid(uid)

#define	SET_STAT_GID(stat, gid) (stat).st_gid = high2lowgid(gid)

#define	STAT64_HAS_BROKEN_ST_INO 1

Functions
asmlinkage long	sys32_chown16 (const char __user *filename, u16 user, u16 group)

asmlinkage long	sys32_lchown16 (const char __user *filename, u16 user, u16 group)

asmlinkage long	sys32_fchown16 (unsigned int fd, u16 user, u16 group)

asmlinkage long	sys32_setregid16 (u16 rgid, u16 egid)

asmlinkage long	sys32_setgid16 (u16 gid)

asmlinkage long	sys32_setreuid16 (u16 ruid, u16 euid)

asmlinkage long	sys32_setuid16 (u16 uid)

asmlinkage long	sys32_setresuid16 (u16 ruid, u16 euid, u16 suid)

asmlinkage long	sys32_getresuid16 (u16 __user ruidp, u16 __user euidp, u16 __user *suidp)

asmlinkage long	sys32_setresgid16 (u16 rgid, u16 egid, u16 sgid)

asmlinkage long	sys32_getresgid16 (u16 __user rgidp, u16 __user egidp, u16 __user *sgidp)

asmlinkage long	sys32_setfsuid16 (u16 uid)

asmlinkage long	sys32_setfsgid16 (u16 gid)

asmlinkage long	sys32_getgroups16 (int gidsetsize, u16 __user *grouplist)

asmlinkage long	sys32_setgroups16 (int gidsetsize, u16 __user *grouplist)

asmlinkage long	sys32_getuid16 (void)

asmlinkage long	sys32_geteuid16 (void)

asmlinkage long	sys32_getgid16 (void)

asmlinkage long	sys32_getegid16 (void)

asmlinkage long	sys32_truncate64 (const char __user *path, unsigned long high, unsigned long low)

asmlinkage long	sys32_ftruncate64 (unsigned int fd, unsigned long high, unsigned long low)

asmlinkage long	sys32_sched_rr_get_interval (compat_pid_t pid, struct compat_timespec __user *interval)

asmlinkage long	sys32_rt_sigprocmask (int how, compat_sigset_t __user set, compat_sigset_t __user oset, size_t sigsetsize)

asmlinkage long	sys32_rt_sigpending (compat_sigset_t __user *set, size_t sigsetsize)

asmlinkage long	sys32_rt_sigqueueinfo (int pid, int sig, compat_siginfo_t __user *uinfo)

asmlinkage long	sys32_pread64 (unsigned int fd, char __user *ubuf, size_t count, u32 poshi, u32 poslo)

asmlinkage long	sys32_pwrite64 (unsigned int fd, const char __user *ubuf, size_t count, u32 poshi, u32 poslo)

asmlinkage compat_ssize_t	sys32_readahead (int fd, u32 offhi, u32 offlo, s32 count)

asmlinkage long	sys32_sendfile (int out_fd, int in_fd, compat_off_t __user *offset, size_t count)

asmlinkage long	sys32_sendfile64 (int out_fd, int in_fd, compat_loff_t __user *offset, s32 count)

asmlinkage long	sys32_stat64 (const char __user filename, struct stat64_emu31 __user statbuf)

asmlinkage long	sys32_lstat64 (const char __user filename, struct stat64_emu31 __user statbuf)

asmlinkage long	sys32_fstat64 (unsigned long fd, struct stat64_emu31 __user *statbuf)

asmlinkage long	sys32_fstatat64 (unsigned int dfd, const char __user filename, struct stat64_emu31 __user statbuf, int flag)

asmlinkage unsigned long	old32_mmap (struct mmap_arg_struct_emu31 __user *arg)

asmlinkage long	sys32_mmap2 (struct mmap_arg_struct_emu31 __user *arg)

asmlinkage long	sys32_read (unsigned int fd, char __user *buf, size_t count)

asmlinkage long	sys32_write (unsigned int fd, const char __user *buf, size_t count)

asmlinkage long	sys32_fadvise64 (int fd, loff_t offset, size_t len, int advise)

asmlinkage long	sys32_fadvise64_64 (struct fadvise64_64_args __user *args)

Variables
u32	psw32_user_bits

Macro Definition Documentation

#define high2lowgid ( gid ) ((gid) > 65535) ? (u16)overflowgid : (u16)(gid)

Definition at line 81 of file compat_linux.c.

#define high2lowuid ( uid ) ((uid) > 65535) ? (u16)overflowuid : (u16)(uid)

Definition at line 80 of file compat_linux.c.

#define low2highgid ( gid ) ((gid) == (u16)-1) ? (gid_t)-1 : (gid_t)(gid)

Definition at line 83 of file compat_linux.c.

#define low2highuid ( uid ) ((uid) == (u16)-1) ? (uid_t)-1 : (uid_t)(uid)

Definition at line 82 of file compat_linux.c.

#define NEW_TO_OLD_GID ( gid ) high2lowgid(gid)

Definition at line 87 of file compat_linux.c.

#define NEW_TO_OLD_UID ( uid ) high2lowuid(uid)

Definition at line 86 of file compat_linux.c.

#define SET_GID16	(	var,
		gid
	)	var = high2lowgid(gid)

Definition at line 85 of file compat_linux.c.

#define SET_OLDSTAT_GID	(	stat,
		gid
	)	(stat).st_gid = high2lowgid(gid)

Definition at line 89 of file compat_linux.c.

#define SET_OLDSTAT_UID	(	stat,
		uid
	)	(stat).st_uid = high2lowuid(uid)

Definition at line 88 of file compat_linux.c.

#define SET_STAT_GID	(	stat,
		gid
	)	(stat).st_gid = high2lowgid(gid)

Definition at line 91 of file compat_linux.c.

#define SET_STAT_UID	(	stat,
		uid
	)	(stat).st_uid = high2lowuid(uid)

Definition at line 90 of file compat_linux.c.

#define SET_UID16	(	var,
		uid
	)	var = high2lowuid(uid)

Definition at line 84 of file compat_linux.c.

#define STAT64_HAS_BROKEN_ST_INO 1

Definition at line 501 of file compat_linux.c.

Function Documentation

asmlinkage unsigned long old32_mmap ( struct mmap_arg_struct_emu31 __user * arg )

Definition at line 601 of file compat_linux.c.

asmlinkage long sys32_chown16	(	const char __user *	filename,
		u16	user,
		u16	group
	)

Definition at line 93 of file compat_linux.c.

asmlinkage long sys32_fadvise64	(	int	fd,
		loff_t	offset,
		size_t	len,
		int	advise
	)

Definition at line 645 of file compat_linux.c.

asmlinkage long sys32_fadvise64_64 ( struct fadvise64_64_args __user * args )

Definition at line 662 of file compat_linux.c.

asmlinkage long sys32_fchown16	(	unsigned int	fd,
		u16	user,
		u16	group
	)

Definition at line 103 of file compat_linux.c.

asmlinkage long sys32_fstat64	(	unsigned long	fd,
		struct stat64_emu31 __user *	statbuf
	)

Definition at line 565 of file compat_linux.c.

asmlinkage long sys32_fstatat64	(	unsigned int	dfd,
		const char __user *	filename,
		struct stat64_emu31 __user *	statbuf,
		int	flag
	)

Definition at line 574 of file compat_linux.c.

asmlinkage long sys32_ftruncate64	(	unsigned int	fd,
		unsigned long	high,
		unsigned long	low
	)

Definition at line 347 of file compat_linux.c.

asmlinkage long sys32_getegid16 ( void )

Definition at line 286 of file compat_linux.c.

asmlinkage long sys32_geteuid16 ( void )

Definition at line 276 of file compat_linux.c.

asmlinkage long sys32_getgid16 ( void )

Definition at line 281 of file compat_linux.c.

asmlinkage long sys32_getgroups16	(	int	gidsetsize,
		u16 __user *	grouplist
	)

Definition at line 222 of file compat_linux.c.

asmlinkage long sys32_getresgid16	(	u16 __user *	rgidp,
		u16 __user *	egidp,
		u16 __user *	sgidp
	)

Definition at line 157 of file compat_linux.c.

asmlinkage long sys32_getresuid16	(	u16 __user *	ruidp,
		u16 __user *	euidp,
		u16 __user *	suidp
	)

Definition at line 134 of file compat_linux.c.

asmlinkage long sys32_getuid16 ( void )

Definition at line 271 of file compat_linux.c.

asmlinkage long sys32_lchown16	(	const char __user *	filename,
		u16	user,
		u16	group
	)

Definition at line 98 of file compat_linux.c.

asmlinkage long sys32_lstat64	(	const char __user *	filename,
		struct stat64_emu31 __user *	statbuf
	)

Definition at line 556 of file compat_linux.c.

asmlinkage long sys32_mmap2 ( struct mmap_arg_struct_emu31 __user * arg )

Definition at line 613 of file compat_linux.c.

asmlinkage long sys32_pread64	(	unsigned int	fd,
		char __user *	ubuf,
		size_t	count,
		u32	poshi,
		u32	poslo
	)

Definition at line 435 of file compat_linux.c.

asmlinkage long sys32_pwrite64	(	unsigned int	fd,
		const char __user *	ubuf,
		size_t	count,
		u32	poshi,
		u32	poslo
	)

Definition at line 443 of file compat_linux.c.

asmlinkage long sys32_read	(	unsigned int	fd,
		char __user *	buf,
		size_t	count
	)

Definition at line 622 of file compat_linux.c.

asmlinkage compat_ssize_t sys32_readahead	(	int	fd,
		u32	offhi,
		u32	offlo,
		s32	count
	)

Definition at line 451 of file compat_linux.c.

asmlinkage long sys32_rt_sigpending	(	compat_sigset_t __user *	set,
		size_t	sigsetsize
	)

Definition at line 400 of file compat_linux.c.

asmlinkage long sys32_rt_sigprocmask	(	int	how,
		compat_sigset_t __user *	set,
		compat_sigset_t __user *	oset,
		size_t	sigsetsize
	)

Definition at line 371 of file compat_linux.c.

asmlinkage long sys32_rt_sigqueueinfo	(	int	pid,
		int	sig,
		compat_siginfo_t __user *	uinfo
	)

Definition at line 421 of file compat_linux.c.

asmlinkage long sys32_sched_rr_get_interval	(	compat_pid_t	pid,
		struct compat_timespec __user *	interval
	)

Definition at line 355 of file compat_linux.c.

asmlinkage long sys32_sendfile	(	int	out_fd,
		int	in_fd,
		compat_off_t __user *	offset,
		size_t	count
	)

Definition at line 456 of file compat_linux.c.

asmlinkage long sys32_sendfile64	(	int	out_fd,
		int	in_fd,
		compat_loff_t __user *	offset,
		s32	count
	)

Definition at line 476 of file compat_linux.c.

asmlinkage long sys32_setfsgid16 ( u16 gid )

Definition at line 179 of file compat_linux.c.

asmlinkage long sys32_setfsuid16 ( u16 uid )

Definition at line 174 of file compat_linux.c.

asmlinkage long sys32_setgid16 ( u16 gid )

Definition at line 113 of file compat_linux.c.

asmlinkage long sys32_setgroups16	(	int	gidsetsize,
		u16 __user *	grouplist
	)

Definition at line 246 of file compat_linux.c.

asmlinkage long sys32_setregid16	(	u16	rgid,
		u16	egid
	)

Definition at line 108 of file compat_linux.c.

asmlinkage long sys32_setresgid16	(	u16	rgid,
		u16	egid,
		u16	sgid
	)

Definition at line 151 of file compat_linux.c.

asmlinkage long sys32_setresuid16	(	u16	ruid,
		u16	euid,
		u16	suid
	)

Definition at line 128 of file compat_linux.c.

asmlinkage long sys32_setreuid16	(	u16	ruid,
		u16	euid
	)

Definition at line 118 of file compat_linux.c.

asmlinkage long sys32_setuid16 ( u16 uid )

Definition at line 123 of file compat_linux.c.

asmlinkage long sys32_stat64	(	const char __user *	filename,
		struct stat64_emu31 __user *	statbuf
	)

Definition at line 547 of file compat_linux.c.

asmlinkage long sys32_truncate64	(	const char __user *	path,
		unsigned long	high,
		unsigned long	low
	)

Definition at line 339 of file compat_linux.c.

asmlinkage long sys32_write	(	unsigned int	fd,
		const char __user *	buf,
		size_t	count
	)

Definition at line 630 of file compat_linux.c.

Variable Documentation

u32 psw32_user_bits

Initial value:

= PSW32_MASK_DAT | PSW32_MASK_IO | PSW32_MASK_EXT |
              PSW32_DEFAULT_KEY | PSW32_MASK_BASE | PSW32_MASK_MCHECK |
              PSW32_MASK_PSTATE | PSW32_ASC_HOME

Definition at line 61 of file compat_linux.c.

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

Function Documentation

Variable Documentation