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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/arch/powerpc/include/asm/compat.h
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/* SPDX-License-Identifier: GPL-2.0 */

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#ifndef _ASM_POWERPC_COMPAT_H

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#define _ASM_POWERPC_COMPAT_H

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#ifdef __KERNEL__

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/*

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 * Architecture specific compatibility types

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 */

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#include <linux/types.h>

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#include <linux/sched.h>

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#define compat_ipc_pid_t compat_ipc_pid_t

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typedef u16		compat_ipc_pid_t;

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#define compat_ipc64_perm compat_ipc64_perm

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#include <asm-generic/compat.h>

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#ifdef __BIG_ENDIAN__

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#define COMPAT_UTS_MACHINE	"ppc\0\0"

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#else

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#define COMPAT_UTS_MACHINE	"ppcle\0\0"

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#endif

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typedef s16		compat_nlink_t;

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struct compat_stat {

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	compat_dev_t	st_dev;

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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_uid32_t	st_uid;

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	__compat_gid32_t	st_gid;

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	compat_dev_t	st_rdev;

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	compat_off_t	st_size;

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	compat_off_t	st_blksize;

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	compat_off_t	st_blocks;

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	old_time32_t	st_atime;

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	u32		st_atime_nsec;

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	old_time32_t	st_mtime;

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	u32		st_mtime_nsec;

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	old_time32_t	st_ctime;

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	u32		st_ctime_nsec;

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	u32		__unused4[2];

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};

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/*

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 * ipc64_perm is actually 32/64bit clean but since the compat layer refers to

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 * it we may as well define it.

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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_uid_t uid;

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	__compat_gid_t gid;

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	__compat_uid_t cuid;

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	__compat_gid_t cgid;

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	compat_mode_t mode;

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	unsigned int seq;

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	unsigned int __pad2;

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	unsigned long __unused1;	/* yes they really are 64bit pads */

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	unsigned long __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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	unsigned int sem_otime_high;

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	unsigned int sem_otime;

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	unsigned int sem_ctime_high;

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	unsigned int sem_ctime;

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	compat_ulong_t sem_nsems;

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	compat_ulong_t __unused3;

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	compat_ulong_t __unused4;

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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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	unsigned int msg_stime_high;

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	unsigned int msg_stime;

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	unsigned int msg_rtime_high;

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	unsigned int msg_rtime;

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	unsigned int msg_ctime_high;

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	unsigned int msg_ctime;

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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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	unsigned int shm_atime_high;

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	unsigned int shm_atime;

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	unsigned int shm_dtime_high;

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	unsigned int shm_dtime;

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	unsigned int shm_ctime_high;

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	unsigned int shm_ctime;

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	unsigned int __unused4;

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	compat_size_t shm_segsz;

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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_ulong_t __unused5;

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	compat_ulong_t __unused6;

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};

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static inline int is_compat_task(void)

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{

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	return is_32bit_task();

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}

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#endif /* __KERNEL__ */

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#endif /* _ASM_POWERPC_COMPAT_H */

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