599 lines
21 KiB
C
599 lines
21 KiB
C
#ifndef _LINUX_COMPAT_H
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#define _LINUX_COMPAT_H
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/*
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* These are the type definitions for the architecture specific
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* syscall compatibility layer.
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*/
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#ifdef CONFIG_COMPAT
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#include <linux/stat.h>
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#include <linux/param.h> /* for HZ */
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#include <linux/sem.h>
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#include <linux/socket.h>
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#include <linux/if.h>
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#include <linux/fs.h>
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#include <linux/aio_abi.h> /* for aio_context_t */
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#include <asm/compat.h>
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#include <asm/siginfo.h>
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#include <asm/signal.h>
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#ifndef COMPAT_USE_64BIT_TIME
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#define COMPAT_USE_64BIT_TIME 0
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#endif
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#define compat_jiffies_to_clock_t(x) \
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(((unsigned long)(x) * COMPAT_USER_HZ) / HZ)
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typedef __compat_uid32_t compat_uid_t;
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typedef __compat_gid32_t compat_gid_t;
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struct compat_sel_arg_struct;
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struct rusage;
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struct compat_itimerspec {
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struct compat_timespec it_interval;
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struct compat_timespec it_value;
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};
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struct compat_utimbuf {
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compat_time_t actime;
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compat_time_t modtime;
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};
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struct compat_itimerval {
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struct compat_timeval it_interval;
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struct compat_timeval it_value;
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};
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struct compat_tms {
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compat_clock_t tms_utime;
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compat_clock_t tms_stime;
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compat_clock_t tms_cutime;
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compat_clock_t tms_cstime;
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};
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struct compat_timex {
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compat_uint_t modes;
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compat_long_t offset;
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compat_long_t freq;
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compat_long_t maxerror;
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compat_long_t esterror;
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compat_int_t status;
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compat_long_t constant;
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compat_long_t precision;
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compat_long_t tolerance;
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struct compat_timeval time;
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compat_long_t tick;
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compat_long_t ppsfreq;
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compat_long_t jitter;
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compat_int_t shift;
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compat_long_t stabil;
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compat_long_t jitcnt;
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compat_long_t calcnt;
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compat_long_t errcnt;
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compat_long_t stbcnt;
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compat_int_t tai;
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compat_int_t:32; compat_int_t:32; compat_int_t:32; compat_int_t:32;
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compat_int_t:32; compat_int_t:32; compat_int_t:32; compat_int_t:32;
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compat_int_t:32; compat_int_t:32; compat_int_t:32;
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};
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#define _COMPAT_NSIG_WORDS (_COMPAT_NSIG / _COMPAT_NSIG_BPW)
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typedef struct {
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compat_sigset_word sig[_COMPAT_NSIG_WORDS];
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} compat_sigset_t;
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/*
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* These functions operate strictly on struct compat_time*
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*/
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extern int get_compat_timespec(struct timespec *,
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const struct compat_timespec __user *);
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extern int put_compat_timespec(const struct timespec *,
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struct compat_timespec __user *);
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extern int get_compat_timeval(struct timeval *,
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const struct compat_timeval __user *);
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extern int put_compat_timeval(const struct timeval *,
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struct compat_timeval __user *);
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/*
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* These functions operate on 32- or 64-bit specs depending on
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* COMPAT_USE_64BIT_TIME, hence the void user pointer arguments and the
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* naming as compat_get/put_ rather than get/put_compat_.
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*/
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extern int compat_get_timespec(struct timespec *, const void __user *);
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extern int compat_put_timespec(const struct timespec *, void __user *);
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extern int compat_get_timeval(struct timeval *, const void __user *);
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extern int compat_put_timeval(const struct timeval *, void __user *);
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struct compat_iovec {
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compat_uptr_t iov_base;
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compat_size_t iov_len;
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};
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struct compat_rlimit {
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compat_ulong_t rlim_cur;
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compat_ulong_t rlim_max;
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};
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struct compat_rusage {
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struct compat_timeval ru_utime;
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struct compat_timeval ru_stime;
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compat_long_t ru_maxrss;
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compat_long_t ru_ixrss;
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compat_long_t ru_idrss;
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compat_long_t ru_isrss;
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compat_long_t ru_minflt;
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compat_long_t ru_majflt;
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compat_long_t ru_nswap;
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compat_long_t ru_inblock;
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compat_long_t ru_oublock;
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compat_long_t ru_msgsnd;
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compat_long_t ru_msgrcv;
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compat_long_t ru_nsignals;
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compat_long_t ru_nvcsw;
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compat_long_t ru_nivcsw;
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};
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extern int put_compat_rusage(const struct rusage *,
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struct compat_rusage __user *);
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struct compat_siginfo;
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extern asmlinkage long compat_sys_waitid(int, compat_pid_t,
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struct compat_siginfo __user *, int,
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struct compat_rusage __user *);
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struct compat_dirent {
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u32 d_ino;
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compat_off_t d_off;
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u16 d_reclen;
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char d_name[256];
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};
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struct compat_ustat {
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compat_daddr_t f_tfree;
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compat_ino_t f_tinode;
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char f_fname[6];
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char f_fpack[6];
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};
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typedef union compat_sigval {
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compat_int_t sival_int;
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compat_uptr_t sival_ptr;
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} compat_sigval_t;
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#define COMPAT_SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE/sizeof(int)) - 3)
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typedef struct compat_sigevent {
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compat_sigval_t sigev_value;
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compat_int_t sigev_signo;
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compat_int_t sigev_notify;
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union {
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compat_int_t _pad[COMPAT_SIGEV_PAD_SIZE];
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compat_int_t _tid;
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struct {
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compat_uptr_t _function;
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compat_uptr_t _attribute;
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} _sigev_thread;
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} _sigev_un;
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} compat_sigevent_t;
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struct compat_ifmap {
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compat_ulong_t mem_start;
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compat_ulong_t mem_end;
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unsigned short base_addr;
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unsigned char irq;
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unsigned char dma;
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unsigned char port;
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};
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struct compat_if_settings {
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unsigned int type; /* Type of physical device or protocol */
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unsigned int size; /* Size of the data allocated by the caller */
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compat_uptr_t ifs_ifsu; /* union of pointers */
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};
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struct compat_ifreq {
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union {
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char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */
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} ifr_ifrn;
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union {
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struct sockaddr ifru_addr;
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struct sockaddr ifru_dstaddr;
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struct sockaddr ifru_broadaddr;
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struct sockaddr ifru_netmask;
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struct sockaddr ifru_hwaddr;
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short ifru_flags;
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compat_int_t ifru_ivalue;
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compat_int_t ifru_mtu;
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struct compat_ifmap ifru_map;
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char ifru_slave[IFNAMSIZ]; /* Just fits the size */
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char ifru_newname[IFNAMSIZ];
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compat_caddr_t ifru_data;
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struct compat_if_settings ifru_settings;
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} ifr_ifru;
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};
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struct compat_ifconf {
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compat_int_t ifc_len; /* size of buffer */
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compat_caddr_t ifcbuf;
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};
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struct compat_robust_list {
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compat_uptr_t next;
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};
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struct compat_robust_list_head {
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struct compat_robust_list list;
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compat_long_t futex_offset;
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compat_uptr_t list_op_pending;
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};
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struct compat_statfs;
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struct compat_statfs64;
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struct compat_old_linux_dirent;
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struct compat_linux_dirent;
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struct linux_dirent64;
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struct compat_msghdr;
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struct compat_mmsghdr;
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struct compat_sysinfo;
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struct compat_sysctl_args;
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struct compat_kexec_segment;
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struct compat_mq_attr;
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struct compat_msgbuf;
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extern void compat_exit_robust_list(struct task_struct *curr);
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asmlinkage long
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compat_sys_set_robust_list(struct compat_robust_list_head __user *head,
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compat_size_t len);
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asmlinkage long
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compat_sys_get_robust_list(int pid, compat_uptr_t __user *head_ptr,
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compat_size_t __user *len_ptr);
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#ifdef CONFIG_ARCH_WANT_OLD_COMPAT_IPC
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long compat_sys_semctl(int first, int second, int third, void __user *uptr);
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long compat_sys_msgsnd(int first, int second, int third, void __user *uptr);
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long compat_sys_msgrcv(int first, int second, int msgtyp, int third,
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int version, void __user *uptr);
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long compat_sys_shmat(int first, int second, compat_uptr_t third, int version,
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void __user *uptr);
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#else
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long compat_sys_semctl(int semid, int semnum, int cmd, int arg);
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long compat_sys_msgsnd(int msqid, struct compat_msgbuf __user *msgp,
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compat_ssize_t msgsz, int msgflg);
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long compat_sys_msgrcv(int msqid, struct compat_msgbuf __user *msgp,
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compat_ssize_t msgsz, long msgtyp, int msgflg);
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long compat_sys_shmat(int shmid, compat_uptr_t shmaddr, int shmflg);
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#endif
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long compat_sys_msgctl(int first, int second, void __user *uptr);
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long compat_sys_shmctl(int first, int second, void __user *uptr);
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long compat_sys_semtimedop(int semid, struct sembuf __user *tsems,
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unsigned nsems, const struct compat_timespec __user *timeout);
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asmlinkage long compat_sys_keyctl(u32 option,
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u32 arg2, u32 arg3, u32 arg4, u32 arg5);
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asmlinkage long compat_sys_ustat(unsigned dev, struct compat_ustat __user *u32);
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asmlinkage ssize_t compat_sys_readv(unsigned long fd,
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const struct compat_iovec __user *vec, unsigned long vlen);
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asmlinkage ssize_t compat_sys_writev(unsigned long fd,
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const struct compat_iovec __user *vec, unsigned long vlen);
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asmlinkage ssize_t compat_sys_preadv(unsigned long fd,
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const struct compat_iovec __user *vec,
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unsigned long vlen, u32 pos_low, u32 pos_high);
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asmlinkage ssize_t compat_sys_pwritev(unsigned long fd,
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const struct compat_iovec __user *vec,
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unsigned long vlen, u32 pos_low, u32 pos_high);
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int compat_do_execve(char *filename, compat_uptr_t __user *argv,
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compat_uptr_t __user *envp, struct pt_regs *regs);
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asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp,
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compat_ulong_t __user *outp, compat_ulong_t __user *exp,
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struct compat_timeval __user *tvp);
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asmlinkage long compat_sys_old_select(struct compat_sel_arg_struct __user *arg);
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asmlinkage long compat_sys_wait4(compat_pid_t pid,
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compat_uint_t __user *stat_addr, int options,
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struct compat_rusage __user *ru);
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#define BITS_PER_COMPAT_LONG (8*sizeof(compat_long_t))
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#define BITS_TO_COMPAT_LONGS(bits) \
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(((bits)+BITS_PER_COMPAT_LONG-1)/BITS_PER_COMPAT_LONG)
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long compat_get_bitmap(unsigned long *mask, const compat_ulong_t __user *umask,
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unsigned long bitmap_size);
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long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask,
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unsigned long bitmap_size);
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int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from);
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int copy_siginfo_to_user32(struct compat_siginfo __user *to, siginfo_t *from);
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int get_compat_sigevent(struct sigevent *event,
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const struct compat_sigevent __user *u_event);
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long compat_sys_rt_tgsigqueueinfo(compat_pid_t tgid, compat_pid_t pid, int sig,
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struct compat_siginfo __user *uinfo);
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static inline int compat_timeval_compare(struct compat_timeval *lhs,
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struct compat_timeval *rhs)
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{
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if (lhs->tv_sec < rhs->tv_sec)
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return -1;
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if (lhs->tv_sec > rhs->tv_sec)
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return 1;
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return lhs->tv_usec - rhs->tv_usec;
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}
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static inline int compat_timespec_compare(struct compat_timespec *lhs,
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struct compat_timespec *rhs)
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{
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if (lhs->tv_sec < rhs->tv_sec)
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return -1;
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if (lhs->tv_sec > rhs->tv_sec)
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return 1;
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return lhs->tv_nsec - rhs->tv_nsec;
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}
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extern int get_compat_itimerspec(struct itimerspec *dst,
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const struct compat_itimerspec __user *src);
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extern int put_compat_itimerspec(struct compat_itimerspec __user *dst,
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const struct itimerspec *src);
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asmlinkage long compat_sys_gettimeofday(struct compat_timeval __user *tv,
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struct timezone __user *tz);
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asmlinkage long compat_sys_settimeofday(struct compat_timeval __user *tv,
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struct timezone __user *tz);
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asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp);
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extern int compat_printk(const char *fmt, ...);
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extern void sigset_from_compat(sigset_t *set, compat_sigset_t *compat);
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asmlinkage long compat_sys_migrate_pages(compat_pid_t pid,
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compat_ulong_t maxnode, const compat_ulong_t __user *old_nodes,
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const compat_ulong_t __user *new_nodes);
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extern int compat_ptrace_request(struct task_struct *child,
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compat_long_t request,
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compat_ulong_t addr, compat_ulong_t data);
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extern long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
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compat_ulong_t addr, compat_ulong_t data);
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asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid,
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compat_long_t addr, compat_long_t data);
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/*
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* epoll (fs/eventpoll.c) compat bits follow ...
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*/
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struct epoll_event;
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#define compat_epoll_event epoll_event
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asmlinkage long compat_sys_epoll_pwait(int epfd,
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struct compat_epoll_event __user *events,
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int maxevents, int timeout,
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const compat_sigset_t __user *sigmask,
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compat_size_t sigsetsize);
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asmlinkage long compat_sys_utime(const char __user *filename,
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struct compat_utimbuf __user *t);
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asmlinkage long compat_sys_utimensat(unsigned int dfd,
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const char __user *filename,
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struct compat_timespec __user *t,
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int flags);
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asmlinkage long compat_sys_time(compat_time_t __user *tloc);
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asmlinkage long compat_sys_stime(compat_time_t __user *tptr);
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asmlinkage long compat_sys_signalfd(int ufd,
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const compat_sigset_t __user *sigmask,
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compat_size_t sigsetsize);
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asmlinkage long compat_sys_timerfd_settime(int ufd, int flags,
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const struct compat_itimerspec __user *utmr,
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struct compat_itimerspec __user *otmr);
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asmlinkage long compat_sys_timerfd_gettime(int ufd,
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struct compat_itimerspec __user *otmr);
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asmlinkage long compat_sys_move_pages(pid_t pid, unsigned long nr_page,
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__u32 __user *pages,
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const int __user *nodes,
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int __user *status,
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int flags);
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asmlinkage long compat_sys_futimesat(unsigned int dfd,
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const char __user *filename,
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struct compat_timeval __user *t);
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asmlinkage long compat_sys_utimes(const char __user *filename,
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struct compat_timeval __user *t);
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asmlinkage long compat_sys_newstat(const char __user *filename,
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struct compat_stat __user *statbuf);
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asmlinkage long compat_sys_newlstat(const char __user *filename,
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struct compat_stat __user *statbuf);
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asmlinkage long compat_sys_newfstatat(unsigned int dfd,
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const char __user *filename,
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struct compat_stat __user *statbuf,
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int flag);
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asmlinkage long compat_sys_newfstat(unsigned int fd,
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struct compat_stat __user *statbuf);
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asmlinkage long compat_sys_statfs(const char __user *pathname,
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struct compat_statfs __user *buf);
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asmlinkage long compat_sys_fstatfs(unsigned int fd,
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struct compat_statfs __user *buf);
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asmlinkage long compat_sys_statfs64(const char __user *pathname,
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compat_size_t sz,
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struct compat_statfs64 __user *buf);
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asmlinkage long compat_sys_fstatfs64(unsigned int fd, compat_size_t sz,
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struct compat_statfs64 __user *buf);
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asmlinkage long compat_sys_fcntl64(unsigned int fd, unsigned int cmd,
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unsigned long arg);
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asmlinkage long compat_sys_fcntl(unsigned int fd, unsigned int cmd,
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unsigned long arg);
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asmlinkage long compat_sys_io_setup(unsigned nr_reqs, u32 __user *ctx32p);
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asmlinkage long compat_sys_io_getevents(aio_context_t ctx_id,
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unsigned long min_nr,
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unsigned long nr,
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struct io_event __user *events,
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struct compat_timespec __user *timeout);
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asmlinkage long compat_sys_io_submit(aio_context_t ctx_id, int nr,
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u32 __user *iocb);
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asmlinkage long compat_sys_mount(const char __user *dev_name,
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const char __user *dir_name,
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const char __user *type, unsigned long flags,
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const void __user *data);
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asmlinkage long compat_sys_old_readdir(unsigned int fd,
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struct compat_old_linux_dirent __user *,
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unsigned int count);
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asmlinkage long compat_sys_getdents(unsigned int fd,
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struct compat_linux_dirent __user *dirent,
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unsigned int count);
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asmlinkage long compat_sys_getdents64(unsigned int fd,
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struct linux_dirent64 __user *dirent,
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unsigned int count);
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asmlinkage long compat_sys_vmsplice(int fd, const struct compat_iovec __user *,
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unsigned int nr_segs, unsigned int flags);
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asmlinkage long compat_sys_open(const char __user *filename, int flags,
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umode_t mode);
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asmlinkage long compat_sys_openat(unsigned int dfd, const char __user *filename,
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int flags, umode_t mode);
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asmlinkage long compat_sys_open_by_handle_at(int mountdirfd,
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struct file_handle __user *handle,
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int flags);
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asmlinkage long compat_sys_pselect6(int n, compat_ulong_t __user *inp,
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compat_ulong_t __user *outp,
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compat_ulong_t __user *exp,
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struct compat_timespec __user *tsp,
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void __user *sig);
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asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds,
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unsigned int nfds,
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struct compat_timespec __user *tsp,
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const compat_sigset_t __user *sigmask,
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compat_size_t sigsetsize);
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asmlinkage long compat_sys_signalfd4(int ufd,
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const compat_sigset_t __user *sigmask,
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compat_size_t sigsetsize, int flags);
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asmlinkage long compat_sys_get_mempolicy(int __user *policy,
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compat_ulong_t __user *nmask,
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compat_ulong_t maxnode,
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compat_ulong_t addr,
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compat_ulong_t flags);
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asmlinkage long compat_sys_set_mempolicy(int mode, compat_ulong_t __user *nmask,
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compat_ulong_t maxnode);
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asmlinkage long compat_sys_mbind(compat_ulong_t start, compat_ulong_t len,
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compat_ulong_t mode,
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compat_ulong_t __user *nmask,
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compat_ulong_t maxnode, compat_ulong_t flags);
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asmlinkage long compat_sys_setsockopt(int fd, int level, int optname,
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char __user *optval, unsigned int optlen);
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asmlinkage long compat_sys_sendmsg(int fd, struct compat_msghdr __user *msg,
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unsigned flags);
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asmlinkage long compat_sys_sendmmsg(int fd, struct compat_mmsghdr __user *mmsg,
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unsigned vlen, unsigned int flags);
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asmlinkage long compat_sys_recvmsg(int fd, struct compat_msghdr __user *msg,
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unsigned int flags);
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asmlinkage long compat_sys_recv(int fd, void __user *buf, size_t len,
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unsigned flags);
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asmlinkage long compat_sys_recvfrom(int fd, void __user *buf, size_t len,
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unsigned flags, struct sockaddr __user *addr,
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int __user *addrlen);
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asmlinkage long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg,
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unsigned vlen, unsigned int flags,
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struct compat_timespec __user *timeout);
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asmlinkage long compat_sys_nanosleep(struct compat_timespec __user *rqtp,
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struct compat_timespec __user *rmtp);
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asmlinkage long compat_sys_getitimer(int which,
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struct compat_itimerval __user *it);
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asmlinkage long compat_sys_setitimer(int which,
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struct compat_itimerval __user *in,
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struct compat_itimerval __user *out);
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asmlinkage long compat_sys_times(struct compat_tms __user *tbuf);
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asmlinkage long compat_sys_setrlimit(unsigned int resource,
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struct compat_rlimit __user *rlim);
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asmlinkage long compat_sys_getrlimit(unsigned int resource,
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struct compat_rlimit __user *rlim);
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asmlinkage long compat_sys_getrusage(int who, struct compat_rusage __user *ru);
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asmlinkage long compat_sys_sched_setaffinity(compat_pid_t pid,
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unsigned int len,
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compat_ulong_t __user *user_mask_ptr);
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asmlinkage long compat_sys_sched_getaffinity(compat_pid_t pid,
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unsigned int len,
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compat_ulong_t __user *user_mask_ptr);
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asmlinkage long compat_sys_timer_create(clockid_t which_clock,
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struct compat_sigevent __user *timer_event_spec,
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timer_t __user *created_timer_id);
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asmlinkage long compat_sys_timer_settime(timer_t timer_id, int flags,
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struct compat_itimerspec __user *new,
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struct compat_itimerspec __user *old);
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asmlinkage long compat_sys_timer_gettime(timer_t timer_id,
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struct compat_itimerspec __user *setting);
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asmlinkage long compat_sys_clock_settime(clockid_t which_clock,
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struct compat_timespec __user *tp);
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asmlinkage long compat_sys_clock_gettime(clockid_t which_clock,
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struct compat_timespec __user *tp);
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asmlinkage long compat_sys_clock_adjtime(clockid_t which_clock,
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struct compat_timex __user *tp);
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asmlinkage long compat_sys_clock_getres(clockid_t which_clock,
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struct compat_timespec __user *tp);
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asmlinkage long compat_sys_clock_nanosleep(clockid_t which_clock, int flags,
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struct compat_timespec __user *rqtp,
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struct compat_timespec __user *rmtp);
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asmlinkage long compat_sys_rt_sigtimedwait(compat_sigset_t __user *uthese,
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struct compat_siginfo __user *uinfo,
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struct compat_timespec __user *uts, compat_size_t sigsetsize);
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asmlinkage long compat_sys_rt_sigsuspend(compat_sigset_t __user *unewset,
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compat_size_t sigsetsize);
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asmlinkage long compat_sys_sysinfo(struct compat_sysinfo __user *info);
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asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd,
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unsigned long arg);
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asmlinkage long compat_sys_futex(u32 __user *uaddr, int op, u32 val,
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struct compat_timespec __user *utime, u32 __user *uaddr2,
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|
u32 val3);
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asmlinkage long compat_sys_getsockopt(int fd, int level, int optname,
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|
char __user *optval, int __user *optlen);
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asmlinkage long compat_sys_kexec_load(unsigned long entry,
|
|
unsigned long nr_segments,
|
|
struct compat_kexec_segment __user *,
|
|
unsigned long flags);
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asmlinkage long compat_sys_mq_getsetattr(mqd_t mqdes,
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const struct compat_mq_attr __user *u_mqstat,
|
|
struct compat_mq_attr __user *u_omqstat);
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asmlinkage long compat_sys_mq_notify(mqd_t mqdes,
|
|
const struct compat_sigevent __user *u_notification);
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asmlinkage long compat_sys_mq_open(const char __user *u_name,
|
|
int oflag, compat_mode_t mode,
|
|
struct compat_mq_attr __user *u_attr);
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asmlinkage long compat_sys_mq_timedsend(mqd_t mqdes,
|
|
const char __user *u_msg_ptr,
|
|
size_t msg_len, unsigned int msg_prio,
|
|
const struct compat_timespec __user *u_abs_timeout);
|
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asmlinkage ssize_t compat_sys_mq_timedreceive(mqd_t mqdes,
|
|
char __user *u_msg_ptr,
|
|
size_t msg_len, unsigned int __user *u_msg_prio,
|
|
const struct compat_timespec __user *u_abs_timeout);
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|
asmlinkage long compat_sys_socketcall(int call, u32 __user *args);
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asmlinkage long compat_sys_sysctl(struct compat_sysctl_args __user *args);
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|
|
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extern 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);
|
|
|
|
extern void __user *compat_alloc_user_space(unsigned long len);
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|
|
|
asmlinkage ssize_t compat_sys_process_vm_readv(compat_pid_t pid,
|
|
const struct compat_iovec __user *lvec,
|
|
unsigned long liovcnt, const struct compat_iovec __user *rvec,
|
|
unsigned long riovcnt, unsigned long flags);
|
|
asmlinkage ssize_t compat_sys_process_vm_writev(compat_pid_t pid,
|
|
const struct compat_iovec __user *lvec,
|
|
unsigned long liovcnt, const struct compat_iovec __user *rvec,
|
|
unsigned long riovcnt, unsigned long flags);
|
|
|
|
#else
|
|
|
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#define is_compat_task() (0)
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|
|
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#endif /* CONFIG_COMPAT */
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#endif /* _LINUX_COMPAT_H */
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