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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_COMPAT_H
#define _ASM_COMPAT_H
/*
* Architecture specific compatibility types
*/
#include <linux/thread_info.h>
#include <linux/types.h>
#include <asm/page.h>
#include <asm/ptrace.h>
typedef s32 __compat_uid_t;
typedef s32 __compat_gid_t;
typedef __compat_uid_t __compat_uid32_t;
typedef __compat_gid_t __compat_gid32_t;
#define __compat_uid32_t __compat_uid32_t
#define __compat_gid32_t __compat_gid32_t
#define _COMPAT_NSIG 128 /* Don't ask !$@#% ... */
#define _COMPAT_NSIG_BPW 32
typedef u32 compat_sigset_word;
#include <asm-generic/compat.h>
#define COMPAT_USER_HZ 100
#define COMPAT_UTS_MACHINE "mips\0\0\0"
typedef u32 compat_dev_t;
typedef u32 compat_nlink_t;
typedef s32 compat_ipc_pid_t;
typedef struct {
s32 val[2];
} compat_fsid_t;
struct compat_stat {
compat_dev_t st_dev;
s32 st_pad1[3];
compat_ino_t st_ino;
compat_mode_t st_mode;
compat_nlink_t st_nlink;
__compat_uid_t st_uid;
__compat_gid_t st_gid;
compat_dev_t st_rdev;
s32 st_pad2[2];
compat_off_t st_size;
s32 st_pad3;
old_time32_t st_atime;
s32 st_atime_nsec;
old_time32_t st_mtime;
s32 st_mtime_nsec;
old_time32_t st_ctime;
s32 st_ctime_nsec;
s32 st_blksize;
s32 st_blocks;
s32 st_pad4[14];
};
struct compat_flock {
short l_type;
short l_whence;
compat_off_t l_start;
compat_off_t l_len;
s32 l_sysid;
compat_pid_t l_pid;
s32 pad[4];
};
#define F_GETLK64 33
#define F_SETLK64 34
#define F_SETLKW64 35
struct compat_flock64 {
short l_type;
short l_whence;
compat_loff_t l_start;
compat_loff_t l_len;
compat_pid_t l_pid;
};
struct compat_statfs {
int f_type;
int f_bsize;
int f_frsize;
int f_blocks;
int f_bfree;
int f_files;
int f_ffree;
int f_bavail;
compat_fsid_t f_fsid;
int f_namelen;
int f_flags;
int f_spare[5];
};
#define COMPAT_RLIM_INFINITY 0x7fffffffUL
#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;
compat_mode_t mode;
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_ulong_t sem_otime;
compat_ulong_t sem_ctime;
compat_ulong_t sem_nsems;
compat_ulong_t sem_otime_high;
compat_ulong_t sem_ctime_high;
};
struct compat_msqid64_ds {
struct compat_ipc64_perm msg_perm;
#ifndef CONFIG_CPU_LITTLE_ENDIAN
compat_ulong_t msg_stime_high;
#endif
compat_ulong_t msg_stime;
#ifdef CONFIG_CPU_LITTLE_ENDIAN
compat_ulong_t msg_stime_high;
#endif
#ifndef CONFIG_CPU_LITTLE_ENDIAN
compat_ulong_t msg_rtime_high;
#endif
compat_ulong_t msg_rtime;
#ifdef CONFIG_CPU_LITTLE_ENDIAN
compat_ulong_t msg_rtime_high;
#endif
#ifndef CONFIG_CPU_LITTLE_ENDIAN
compat_ulong_t msg_ctime_high;
#endif
compat_ulong_t msg_ctime;
#ifdef CONFIG_CPU_LITTLE_ENDIAN
compat_ulong_t msg_ctime_high;
#endif
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_ulong_t shm_atime;
compat_ulong_t shm_dtime;
compat_ulong_t shm_ctime;
compat_pid_t shm_cpid;
compat_pid_t shm_lpid;
compat_ulong_t shm_nattch;
compat_ushort_t shm_atime_high;
compat_ushort_t shm_dtime_high;
compat_ushort_t shm_ctime_high;
compat_ushort_t __unused2;
};
/* MIPS has unusual order of fields in stack_t */
typedef struct compat_sigaltstack {
compat_uptr_t ss_sp;
compat_size_t ss_size;
int ss_flags;
} compat_stack_t;
#define compat_sigaltstack compat_sigaltstack
static inline int is_compat_task(void)
{
return test_thread_flag(TIF_32BIT_ADDR);
}
#endif /* _ASM_COMPAT_H */
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