/* * 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 #include #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; #define COMPAT_SI_PAD_SIZE (128/sizeof(int) - 3) #define COMPAT_OFF_T_MAX 0x7fffffff 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 */