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191 lines
4.0 KiB
191 lines
4.0 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef _ASM_COMPAT_H |
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#define _ASM_COMPAT_H |
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/* |
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* Architecture specific compatibility types |
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*/ |
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#include <linux/thread_info.h> |
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#include <linux/types.h> |
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#include <asm/page.h> |
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#include <asm/ptrace.h> |
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#include <asm-generic/compat.h> |
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#define COMPAT_USER_HZ 100 |
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#define COMPAT_UTS_MACHINE "mips\0\0\0" |
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typedef s32 __compat_uid_t; |
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typedef s32 __compat_gid_t; |
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typedef __compat_uid_t __compat_uid32_t; |
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typedef __compat_gid_t __compat_gid32_t; |
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typedef u32 compat_mode_t; |
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typedef u32 compat_dev_t; |
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typedef u32 compat_nlink_t; |
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typedef s32 compat_ipc_pid_t; |
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typedef s32 compat_caddr_t; |
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typedef struct { |
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s32 val[2]; |
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} compat_fsid_t; |
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struct compat_stat { |
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compat_dev_t st_dev; |
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s32 st_pad1[3]; |
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compat_ino_t st_ino; |
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compat_mode_t st_mode; |
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compat_nlink_t st_nlink; |
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__compat_uid_t st_uid; |
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__compat_gid_t st_gid; |
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compat_dev_t st_rdev; |
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s32 st_pad2[2]; |
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compat_off_t st_size; |
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s32 st_pad3; |
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old_time32_t st_atime; |
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s32 st_atime_nsec; |
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old_time32_t st_mtime; |
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s32 st_mtime_nsec; |
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old_time32_t st_ctime; |
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s32 st_ctime_nsec; |
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s32 st_blksize; |
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s32 st_blocks; |
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s32 st_pad4[14]; |
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}; |
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struct compat_flock { |
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short l_type; |
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short l_whence; |
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compat_off_t l_start; |
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compat_off_t l_len; |
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s32 l_sysid; |
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compat_pid_t l_pid; |
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s32 pad[4]; |
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}; |
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#define F_GETLK64 33 |
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#define F_SETLK64 34 |
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#define F_SETLKW64 35 |
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struct compat_flock64 { |
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short l_type; |
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short l_whence; |
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compat_loff_t l_start; |
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compat_loff_t l_len; |
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compat_pid_t l_pid; |
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}; |
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struct compat_statfs { |
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int f_type; |
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int f_bsize; |
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int f_frsize; |
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int f_blocks; |
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int f_bfree; |
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int f_files; |
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int f_ffree; |
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int f_bavail; |
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compat_fsid_t f_fsid; |
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int f_namelen; |
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int f_flags; |
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int f_spare[5]; |
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}; |
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#define COMPAT_RLIM_INFINITY 0x7fffffffUL |
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typedef u32 compat_old_sigset_t; /* at least 32 bits */ |
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#define _COMPAT_NSIG 128 /* Don't ask !$@#% ... */ |
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#define _COMPAT_NSIG_BPW 32 |
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typedef u32 compat_sigset_word; |
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#define COMPAT_OFF_T_MAX 0x7fffffff |
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static inline void __user *arch_compat_alloc_user_space(long len) |
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{ |
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struct pt_regs *regs = (struct pt_regs *) |
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((unsigned long) current_thread_info() + THREAD_SIZE - 32) - 1; |
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return (void __user *) (regs->regs[29] - len); |
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} |
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struct compat_ipc64_perm { |
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compat_key_t key; |
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__compat_uid32_t uid; |
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__compat_gid32_t gid; |
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__compat_uid32_t cuid; |
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__compat_gid32_t cgid; |
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compat_mode_t mode; |
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unsigned short seq; |
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unsigned short __pad2; |
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compat_ulong_t __unused1; |
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compat_ulong_t __unused2; |
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}; |
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struct compat_semid64_ds { |
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struct compat_ipc64_perm sem_perm; |
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compat_ulong_t sem_otime; |
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compat_ulong_t sem_ctime; |
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compat_ulong_t sem_nsems; |
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compat_ulong_t sem_otime_high; |
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compat_ulong_t sem_ctime_high; |
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}; |
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struct compat_msqid64_ds { |
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struct compat_ipc64_perm msg_perm; |
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#ifndef CONFIG_CPU_LITTLE_ENDIAN |
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compat_ulong_t msg_stime_high; |
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#endif |
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compat_ulong_t msg_stime; |
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#ifdef CONFIG_CPU_LITTLE_ENDIAN |
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compat_ulong_t msg_stime_high; |
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#endif |
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#ifndef CONFIG_CPU_LITTLE_ENDIAN |
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compat_ulong_t msg_rtime_high; |
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#endif |
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compat_ulong_t msg_rtime; |
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#ifdef CONFIG_CPU_LITTLE_ENDIAN |
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compat_ulong_t msg_rtime_high; |
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#endif |
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#ifndef CONFIG_CPU_LITTLE_ENDIAN |
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compat_ulong_t msg_ctime_high; |
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#endif |
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compat_ulong_t msg_ctime; |
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#ifdef CONFIG_CPU_LITTLE_ENDIAN |
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compat_ulong_t msg_ctime_high; |
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#endif |
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compat_ulong_t msg_cbytes; |
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compat_ulong_t msg_qnum; |
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compat_ulong_t msg_qbytes; |
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compat_pid_t msg_lspid; |
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compat_pid_t msg_lrpid; |
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compat_ulong_t __unused4; |
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compat_ulong_t __unused5; |
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}; |
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struct compat_shmid64_ds { |
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struct compat_ipc64_perm shm_perm; |
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compat_size_t shm_segsz; |
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compat_ulong_t shm_atime; |
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compat_ulong_t shm_dtime; |
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compat_ulong_t shm_ctime; |
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compat_pid_t shm_cpid; |
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compat_pid_t shm_lpid; |
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compat_ulong_t shm_nattch; |
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compat_ushort_t shm_atime_high; |
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compat_ushort_t shm_dtime_high; |
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compat_ushort_t shm_ctime_high; |
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compat_ushort_t __unused2; |
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}; |
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/* MIPS has unusual order of fields in stack_t */ |
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typedef struct compat_sigaltstack { |
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compat_uptr_t ss_sp; |
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compat_size_t ss_size; |
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int ss_flags; |
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} compat_stack_t; |
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#define compat_sigaltstack compat_sigaltstack |
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static inline int is_compat_task(void) |
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{ |
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return test_thread_flag(TIF_32BIT_ADDR); |
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} |
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#endif /* _ASM_COMPAT_H */
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