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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/arch/mips/include/asm/compat.h
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/* 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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#define __compat_uid_t	__compat_uid_t

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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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#define __compat_uid32_t __compat_uid32_t

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#define compat_statfs		compat_statfs

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#define compat_ipc64_perm	compat_ipc64_perm

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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_RLIM_INFINITY	0x7fffffffUL

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#include <asm-generic/compat.h>

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#define COMPAT_UTS_MACHINE	"mips\0\0\0"

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typedef u32		compat_nlink_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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#define __ARCH_COMPAT_FLOCK_EXTRA_SYSID		s32 l_sysid;

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#define __ARCH_COMPAT_FLOCK_PAD			s32 pad[4];

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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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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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