297 lines
7.4 KiB
C
297 lines
7.4 KiB
C
/*
|
|
* Copyright 2010 Tilera Corporation. All Rights Reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation, version 2.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
|
|
* NON INFRINGEMENT. See the GNU General Public License for
|
|
* more details.
|
|
*/
|
|
|
|
#ifndef _ASM_TILE_COMPAT_H
|
|
#define _ASM_TILE_COMPAT_H
|
|
|
|
/*
|
|
* Architecture specific compatibility types
|
|
*/
|
|
#include <linux/types.h>
|
|
#include <linux/sched.h>
|
|
|
|
#define COMPAT_USER_HZ 100
|
|
|
|
/* "long" and pointer-based types are different. */
|
|
typedef s32 compat_long_t;
|
|
typedef u32 compat_ulong_t;
|
|
typedef u32 compat_size_t;
|
|
typedef s32 compat_ssize_t;
|
|
typedef s32 compat_off_t;
|
|
typedef s32 compat_time_t;
|
|
typedef s32 compat_clock_t;
|
|
typedef u32 compat_ino_t;
|
|
typedef u32 compat_caddr_t;
|
|
typedef u32 compat_uptr_t;
|
|
|
|
/* Many types are "int" or otherwise the same. */
|
|
typedef __kernel_pid_t compat_pid_t;
|
|
typedef __kernel_uid_t __compat_uid_t;
|
|
typedef __kernel_gid_t __compat_gid_t;
|
|
typedef __kernel_uid32_t __compat_uid32_t;
|
|
typedef __kernel_uid32_t __compat_gid32_t;
|
|
typedef __kernel_mode_t compat_mode_t;
|
|
typedef __kernel_dev_t compat_dev_t;
|
|
typedef __kernel_loff_t compat_loff_t;
|
|
typedef __kernel_ipc_pid_t compat_ipc_pid_t;
|
|
typedef __kernel_daddr_t compat_daddr_t;
|
|
typedef __kernel_fsid_t compat_fsid_t;
|
|
typedef __kernel_timer_t compat_timer_t;
|
|
typedef __kernel_key_t compat_key_t;
|
|
typedef int compat_int_t;
|
|
typedef s64 compat_s64;
|
|
typedef uint compat_uint_t;
|
|
typedef u64 compat_u64;
|
|
|
|
/* We use the same register dump format in 32-bit images. */
|
|
typedef unsigned long compat_elf_greg_t;
|
|
#define COMPAT_ELF_NGREG (sizeof(struct pt_regs) / sizeof(compat_elf_greg_t))
|
|
typedef compat_elf_greg_t compat_elf_gregset_t[COMPAT_ELF_NGREG];
|
|
|
|
struct compat_timespec {
|
|
compat_time_t tv_sec;
|
|
s32 tv_nsec;
|
|
};
|
|
|
|
struct compat_timeval {
|
|
compat_time_t tv_sec;
|
|
s32 tv_usec;
|
|
};
|
|
|
|
#define compat_stat stat
|
|
#define compat_statfs statfs
|
|
|
|
struct compat_sysctl {
|
|
unsigned int name;
|
|
int nlen;
|
|
unsigned int oldval;
|
|
unsigned int oldlenp;
|
|
unsigned int newval;
|
|
unsigned int newlen;
|
|
unsigned int __unused[4];
|
|
};
|
|
|
|
|
|
struct compat_flock {
|
|
short l_type;
|
|
short l_whence;
|
|
compat_off_t l_start;
|
|
compat_off_t l_len;
|
|
compat_pid_t l_pid;
|
|
};
|
|
|
|
#define F_GETLK64 12 /* using 'struct flock64' */
|
|
#define F_SETLK64 13
|
|
#define F_SETLKW64 14
|
|
|
|
struct compat_flock64 {
|
|
short l_type;
|
|
short l_whence;
|
|
compat_loff_t l_start;
|
|
compat_loff_t l_len;
|
|
compat_pid_t l_pid;
|
|
};
|
|
|
|
#define COMPAT_RLIM_INFINITY 0xffffffff
|
|
|
|
#define _COMPAT_NSIG 64
|
|
#define _COMPAT_NSIG_BPW 32
|
|
|
|
typedef u32 compat_sigset_word;
|
|
|
|
typedef union compat_sigval {
|
|
compat_int_t sival_int;
|
|
compat_uptr_t sival_ptr;
|
|
} compat_sigval_t;
|
|
|
|
#define COMPAT_SI_PAD_SIZE (128/sizeof(int) - 3)
|
|
|
|
typedef struct compat_siginfo {
|
|
int si_signo;
|
|
int si_errno;
|
|
int si_code;
|
|
|
|
union {
|
|
int _pad[COMPAT_SI_PAD_SIZE];
|
|
|
|
/* kill() */
|
|
struct {
|
|
unsigned int _pid; /* sender's pid */
|
|
unsigned int _uid; /* sender's uid */
|
|
} _kill;
|
|
|
|
/* POSIX.1b timers */
|
|
struct {
|
|
compat_timer_t _tid; /* timer id */
|
|
int _overrun; /* overrun count */
|
|
compat_sigval_t _sigval; /* same as below */
|
|
int _sys_private; /* not to be passed to user */
|
|
int _overrun_incr; /* amount to add to overrun */
|
|
} _timer;
|
|
|
|
/* POSIX.1b signals */
|
|
struct {
|
|
unsigned int _pid; /* sender's pid */
|
|
unsigned int _uid; /* sender's uid */
|
|
compat_sigval_t _sigval;
|
|
} _rt;
|
|
|
|
/* SIGCHLD */
|
|
struct {
|
|
unsigned int _pid; /* which child */
|
|
unsigned int _uid; /* sender's uid */
|
|
int _status; /* exit code */
|
|
compat_clock_t _utime;
|
|
compat_clock_t _stime;
|
|
} _sigchld;
|
|
|
|
/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
|
|
struct {
|
|
unsigned int _addr; /* faulting insn/memory ref. */
|
|
#ifdef __ARCH_SI_TRAPNO
|
|
int _trapno; /* TRAP # which caused the signal */
|
|
#endif
|
|
} _sigfault;
|
|
|
|
/* SIGPOLL */
|
|
struct {
|
|
int _band; /* POLL_IN, POLL_OUT, POLL_MSG */
|
|
int _fd;
|
|
} _sigpoll;
|
|
} _sifields;
|
|
} compat_siginfo_t;
|
|
|
|
#define COMPAT_OFF_T_MAX 0x7fffffff
|
|
#define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL
|
|
|
|
struct compat_ipc64_perm {
|
|
compat_key_t key;
|
|
__compat_uid32_t uid;
|
|
__compat_gid32_t gid;
|
|
__compat_uid32_t cuid;
|
|
__compat_gid32_t cgid;
|
|
unsigned short mode;
|
|
unsigned short __pad1;
|
|
unsigned short seq;
|
|
unsigned short __pad2;
|
|
compat_ulong_t unused1;
|
|
compat_ulong_t unused2;
|
|
};
|
|
|
|
struct compat_semid64_ds {
|
|
struct compat_ipc64_perm sem_perm;
|
|
compat_time_t sem_otime;
|
|
compat_ulong_t __unused1;
|
|
compat_time_t sem_ctime;
|
|
compat_ulong_t __unused2;
|
|
compat_ulong_t sem_nsems;
|
|
compat_ulong_t __unused3;
|
|
compat_ulong_t __unused4;
|
|
};
|
|
|
|
struct compat_msqid64_ds {
|
|
struct compat_ipc64_perm msg_perm;
|
|
compat_time_t msg_stime;
|
|
compat_ulong_t __unused1;
|
|
compat_time_t msg_rtime;
|
|
compat_ulong_t __unused2;
|
|
compat_time_t msg_ctime;
|
|
compat_ulong_t __unused3;
|
|
compat_ulong_t msg_cbytes;
|
|
compat_ulong_t msg_qnum;
|
|
compat_ulong_t msg_qbytes;
|
|
compat_pid_t msg_lspid;
|
|
compat_pid_t msg_lrpid;
|
|
compat_ulong_t __unused4;
|
|
compat_ulong_t __unused5;
|
|
};
|
|
|
|
struct compat_shmid64_ds {
|
|
struct compat_ipc64_perm shm_perm;
|
|
compat_size_t shm_segsz;
|
|
compat_time_t shm_atime;
|
|
compat_ulong_t __unused1;
|
|
compat_time_t shm_dtime;
|
|
compat_ulong_t __unused2;
|
|
compat_time_t shm_ctime;
|
|
compat_ulong_t __unused3;
|
|
compat_pid_t shm_cpid;
|
|
compat_pid_t shm_lpid;
|
|
compat_ulong_t shm_nattch;
|
|
compat_ulong_t __unused4;
|
|
compat_ulong_t __unused5;
|
|
};
|
|
|
|
/*
|
|
* A pointer passed in from user mode. This should not
|
|
* be used for syscall parameters, just declare them
|
|
* as pointers because the syscall entry code will have
|
|
* appropriately converted them already.
|
|
*/
|
|
|
|
static inline void __user *compat_ptr(compat_uptr_t uptr)
|
|
{
|
|
return (void __user *)(long)(s32)uptr;
|
|
}
|
|
|
|
static inline compat_uptr_t ptr_to_compat(void __user *uptr)
|
|
{
|
|
return (u32)(unsigned long)uptr;
|
|
}
|
|
|
|
/* Sign-extend when storing a kernel pointer to a user's ptregs. */
|
|
static inline unsigned long ptr_to_compat_reg(void __user *uptr)
|
|
{
|
|
return (long)(int)(long __force)uptr;
|
|
}
|
|
|
|
static inline void __user *arch_compat_alloc_user_space(long len)
|
|
{
|
|
struct pt_regs *regs = task_pt_regs(current);
|
|
return (void __user *)regs->sp - len;
|
|
}
|
|
|
|
static inline int is_compat_task(void)
|
|
{
|
|
return current_thread_info()->status & TS_COMPAT;
|
|
}
|
|
|
|
extern int compat_setup_rt_frame(struct ksignal *ksig, sigset_t *set,
|
|
struct pt_regs *regs);
|
|
|
|
/* Compat syscalls. */
|
|
struct compat_siginfo;
|
|
struct compat_sigaltstack;
|
|
long compat_sys_rt_sigreturn(void);
|
|
long compat_sys_truncate64(char __user *filename, u32 dummy, u32 low, u32 high);
|
|
long compat_sys_ftruncate64(unsigned int fd, u32 dummy, u32 low, u32 high);
|
|
long compat_sys_pread64(unsigned int fd, char __user *ubuf, size_t count,
|
|
u32 dummy, u32 low, u32 high);
|
|
long compat_sys_pwrite64(unsigned int fd, char __user *ubuf, size_t count,
|
|
u32 dummy, u32 low, u32 high);
|
|
long compat_sys_sync_file_range2(int fd, unsigned int flags,
|
|
u32 offset_lo, u32 offset_hi,
|
|
u32 nbytes_lo, u32 nbytes_hi);
|
|
long compat_sys_fallocate(int fd, int mode,
|
|
u32 offset_lo, u32 offset_hi,
|
|
u32 len_lo, u32 len_hi);
|
|
long compat_sys_llseek(unsigned int fd, unsigned int offset_high,
|
|
unsigned int offset_low, loff_t __user * result,
|
|
unsigned int origin);
|
|
|
|
/* Assembly trampoline to avoid clobbering r0. */
|
|
long _compat_sys_rt_sigreturn(void);
|
|
|
|
#endif /* _ASM_TILE_COMPAT_H */
|