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

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#ifndef _ASM_PARISC_COMPAT_H

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#define _ASM_PARISC_COMPAT_H

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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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#include <linux/thread_info.h>

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#define compat_mode_t compat_mode_t

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typedef u16	compat_mode_t;

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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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#define COMPAT_UTS_MACHINE	"parisc\0\0"

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typedef u16	compat_nlink_t;

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struct compat_stat {

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	compat_dev_t		st_dev;	/* dev_t is 32 bits on parisc */

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	compat_ino_t		st_ino;	/* 32 bits */

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	compat_mode_t		st_mode;	/* 16 bits */

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	compat_nlink_t  	st_nlink;	/* 16 bits */

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	u16			st_reserved1;	/* old st_uid */

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	u16			st_reserved2;	/* old st_gid */

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	compat_dev_t		st_rdev;

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	compat_off_t		st_size;

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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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	s32			st_blksize;

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	s32			st_blocks;

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	u32			__unused1;	/* ACL stuff */

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	compat_dev_t		__unused2;	/* network */

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	compat_ino_t		__unused3;	/* network */

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	u32			__unused4;	/* cnodes */

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	u16			__unused5;	/* netsite */

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	short			st_fstype;

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	compat_dev_t		st_realdev;

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	u16			st_basemode;

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	u16			st_spareshort;

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	__compat_uid32_t	st_uid;

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	__compat_gid32_t	st_gid;

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	u32			st_spare4[3];

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};

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struct compat_sigcontext {

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	compat_int_t sc_flags;

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	compat_int_t sc_gr[32]; /* PSW in sc_gr[0] */

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	u64 sc_fr[32];

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	compat_int_t sc_iasq[2];

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	compat_int_t sc_iaoq[2];

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	compat_int_t sc_sar; /* cr11 */

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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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	unsigned short int __pad1;

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	compat_mode_t mode;

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	unsigned short int __pad2;

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	unsigned short int seq;

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	unsigned int __pad3;

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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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/*

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 * The type of struct elf_prstatus.pr_reg in compatible core dumps.

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 */

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#define COMPAT_ELF_NGREG 80

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typedef compat_ulong_t compat_elf_gregset_t[COMPAT_ELF_NGREG];

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static inline int __is_compat_task(struct task_struct *t)

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{

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	return test_tsk_thread_flag(t, TIF_32BIT);

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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_compat_task(current);

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}

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#endif /* _ASM_PARISC_COMPAT_H */

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