306 lines
9.0 KiB
C
306 lines
9.0 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 <asm/compat.h>
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#include <asm/siginfo.h>
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#include <asm/signal.h>
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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 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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extern int get_compat_timespec(struct timespec *, const struct compat_timespec __user *);
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extern int put_compat_timespec(const struct timespec *, struct compat_timespec __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 *, 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_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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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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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_msgctl(int first, int second, 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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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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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_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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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_utimensat(unsigned int dfd, char __user *filename,
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struct compat_timespec __user *t, int flags);
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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, char __user *filename,
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struct compat_timeval __user *t);
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asmlinkage long compat_sys_newfstatat(unsigned int dfd, 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_openat(unsigned int dfd, const char __user *filename,
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int flags, int mode);
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#endif /* CONFIG_COMPAT */
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#endif /* _LINUX_COMPAT_H */
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