| /* |
| * 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_nlink_t compat_nlink_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_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(int sig, struct k_sigaction *ka, |
| siginfo_t *info, sigset_t *set, |
| struct pt_regs *regs); |
| |
| /* Compat syscalls. */ |
| struct compat_sigaction; |
| struct compat_siginfo; |
| struct compat_sigaltstack; |
| long compat_sys_execve(char __user *path, compat_uptr_t __user *argv, |
| compat_uptr_t __user *envp); |
| long compat_sys_rt_sigaction(int sig, struct compat_sigaction __user *act, |
| struct compat_sigaction __user *oact, |
| size_t sigsetsize); |
| long compat_sys_rt_sigqueueinfo(int pid, int sig, |
| struct compat_siginfo __user *uinfo); |
| long compat_sys_rt_sigreturn(void); |
| long compat_sys_sigaltstack(const struct compat_sigaltstack __user *uss_ptr, |
| struct compat_sigaltstack __user *uoss_ptr); |
| 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_lookup_dcookie(u32 low, u32 high, char __user *buf, size_t len); |
| 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_sched_rr_get_interval(compat_pid_t pid, |
| struct compat_timespec __user *interval); |
| |
| /* Versions of compat functions that differ from generic Linux. */ |
| struct compat_msgbuf; |
| long tile_compat_sys_msgsnd(int msqid, |
| struct compat_msgbuf __user *msgp, |
| size_t msgsz, int msgflg); |
| long tile_compat_sys_msgrcv(int msqid, |
| struct compat_msgbuf __user *msgp, |
| size_t msgsz, long msgtyp, int msgflg); |
| long tile_compat_sys_ptrace(compat_long_t request, compat_long_t pid, |
| compat_long_t addr, compat_long_t data); |
| |
| /* Tilera Linux syscalls that don't have "compat" versions. */ |
| #define compat_sys_flush_cache sys_flush_cache |
| |
| #endif /* _ASM_TILE_COMPAT_H */ |