arch/parisc/include/asm/compat.h - arm/linux - Git at Google

 /* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_PARISC_COMPAT_H
 #define _ASM_PARISC_COMPAT_H
 /*
  * Architecture specific compatibility types
  */
 #include <linux/types.h>
 #include <linux/sched.h>
 #include <linux/thread_info.h>

 #define COMPAT_USER_HZ 		100
 #define COMPAT_UTS_MACHINE	"parisc\0\0"

 typedef u32	compat_size_t;
 typedef s32	compat_ssize_t;
 typedef s32	compat_time_t;
 typedef s32	compat_clock_t;
 typedef s32	compat_pid_t;
 typedef u32	__compat_uid_t;
 typedef u32	__compat_gid_t;
 typedef u32	__compat_uid32_t;
 typedef u32	__compat_gid32_t;
 typedef u16	compat_mode_t;
 typedef u32	compat_ino_t;
 typedef u32	compat_dev_t;
 typedef s32	compat_off_t;
 typedef s64	compat_loff_t;
 typedef u16	compat_nlink_t;
 typedef u16	compat_ipc_pid_t;
 typedef s32	compat_daddr_t;
 typedef u32	compat_caddr_t;
 typedef s32	compat_key_t;
 typedef s32	compat_timer_t;

 typedef s32	compat_int_t;
 typedef s32	compat_long_t;
 typedef s64	compat_s64;
 typedef u32	compat_uint_t;
 typedef u32	compat_ulong_t;
 typedef u64	compat_u64;
 typedef u32	compat_uptr_t;

 struct compat_timespec {
 	compat_time_t		tv_sec;
 	s32			tv_nsec;
 };

 struct compat_timeval {
 	compat_time_t		tv_sec;
 	s32			tv_usec;
 };

 struct compat_stat {
 	compat_dev_t		st_dev;	/* dev_t is 32 bits on parisc */
 	compat_ino_t		st_ino;	/* 32 bits */
 	compat_mode_t		st_mode;	/* 16 bits */
 	compat_nlink_t  	st_nlink;	/* 16 bits */
 	u16			st_reserved1;	/* old st_uid */
 	u16			st_reserved2;	/* old st_gid */
 	compat_dev_t		st_rdev;
 	compat_off_t		st_size;
 	compat_time_t		st_atime;
 	u32			st_atime_nsec;
 	compat_time_t		st_mtime;
 	u32			st_mtime_nsec;
 	compat_time_t		st_ctime;
 	u32			st_ctime_nsec;
 	s32			st_blksize;
 	s32			st_blocks;
 	u32			__unused1;	/* ACL stuff */
 	compat_dev_t		__unused2;	/* network */
 	compat_ino_t		__unused3;	/* network */
 	u32			__unused4;	/* cnodes */
 	u16			__unused5;	/* netsite */
 	short			st_fstype;
 	compat_dev_t		st_realdev;
 	u16			st_basemode;
 	u16			st_spareshort;
 	__compat_uid32_t	st_uid;
 	__compat_gid32_t	st_gid;
 	u32			st_spare4[3];
 };

 struct compat_flock {
 	short			l_type;
 	short			l_whence;
 	compat_off_t		l_start;
 	compat_off_t		l_len;
 	compat_pid_t		l_pid;
 };

 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 {
 	s32		f_type;
 	s32		f_bsize;
 	s32		f_blocks;
 	s32		f_bfree;
 	s32		f_bavail;
 	s32		f_files;
 	s32		f_ffree;
 	__kernel_fsid_t	f_fsid;
 	s32		f_namelen;
 	s32		f_frsize;
 	s32		f_flags;
 	s32		f_spare[4];
 };

 struct compat_sigcontext {
 	compat_int_t sc_flags;
 	compat_int_t sc_gr[32]; /* PSW in sc_gr[0] */
 	u64 sc_fr[32];
 	compat_int_t sc_iasq[2];
 	compat_int_t sc_iaoq[2];
 	compat_int_t sc_sar; /* cr11 */
 };

 #define COMPAT_RLIM_INFINITY 0xffffffff

 typedef u32		compat_old_sigset_t;	/* at least 32 bits */

 #define _COMPAT_NSIG		64
 #define _COMPAT_NSIG_BPW	32

 typedef u32		compat_sigset_word;

 typedef union compat_sigval {
 	compat_int_t	sival_int;
 	compat_uptr_t	sival_ptr;
 } compat_sigval_t;

 typedef struct compat_siginfo {
 	int si_signo;
 	int si_errno;
 	int si_code;

 	union {
 		int _pad[128/sizeof(int) - 3];

 		/* kill() */
 		struct {
 			unsigned int _pid;      /* sender's pid */
 			unsigned int _uid;      /* sender's uid */
 		} _kill;

 		/* POSIX.1b timers */
 		struct {
 			compat_timer_t _tid;            /* timer id */
 			int _overrun;           /* overrun count */
 			char _pad[sizeof(unsigned int) - sizeof(int)];
 			compat_sigval_t _sigval;        /* same as below */
 			int _sys_private;       /* not to be passed to user */
 		} _timer;

 		/* POSIX.1b signals */
 		struct {
 			unsigned int _pid;      /* sender's pid */
 			unsigned int _uid;      /* sender's uid */
 			compat_sigval_t _sigval;
 		} _rt;

 		/* SIGCHLD */
 		struct {
 			unsigned int _pid;      /* which child */
 			unsigned int _uid;      /* sender's uid */
 			int _status;            /* exit code */
 			compat_clock_t _utime;
 			compat_clock_t _stime;
 		} _sigchld;

 		/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
 		struct {
 			unsigned int _addr;     /* faulting insn/memory ref. */
 		} _sigfault;

 		/* SIGPOLL */
 		struct {
 			int _band;      /* POLL_IN, POLL_OUT, POLL_MSG */
 			int _fd;
 		} _sigpoll;

 		/* SIGSYS */
 		struct {
 			compat_uptr_t _call_addr; /* calling user insn */
 			int _syscall;	/* triggering system call number */
 			compat_uint_t _arch;	/* AUDIT_ARCH_* of syscall */
 		} _sigsys;
 	} _sifields;
 } compat_siginfo_t;

 #define COMPAT_OFF_T_MAX	0x7fffffff
 #define COMPAT_LOFF_T_MAX	0x7fffffffffffffffL

 struct compat_ipc64_perm {
 	compat_key_t key;
 	__compat_uid_t uid;
 	__compat_gid_t gid;
 	__compat_uid_t cuid;
 	__compat_gid_t cgid;
 	unsigned short int __pad1;
 	compat_mode_t mode;
 	unsigned short int __pad2;
 	unsigned short int seq;
 	unsigned int __pad3;
 	unsigned long __unused1;	/* yes they really are 64bit pads */
 	unsigned long __unused2;
 };

 struct compat_semid64_ds {
 	struct compat_ipc64_perm sem_perm;
 	unsigned int __unused1;
 	compat_time_t sem_otime;
 	unsigned int __unused2;
 	compat_time_t sem_ctime;
 	compat_ulong_t sem_nsems;
 	compat_ulong_t __unused3;
 	compat_ulong_t __unused4;
 };

 struct compat_msqid64_ds {
 	struct compat_ipc64_perm msg_perm;
 	unsigned int __unused1;
 	compat_time_t msg_stime;
 	unsigned int __unused2;
 	compat_time_t msg_rtime;
 	unsigned int __unused3;
 	compat_time_t msg_ctime;
 	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;
 	unsigned int __unused1;
 	compat_time_t shm_atime;
 	unsigned int __unused2;
 	compat_time_t shm_dtime;
 	unsigned int __unused3;
 	compat_time_t shm_ctime;
 	unsigned int __unused4;
 	compat_size_t shm_segsz;
 	compat_pid_t shm_cpid;
 	compat_pid_t shm_lpid;
 	compat_ulong_t shm_nattch;
 	compat_ulong_t __unused5;
 	compat_ulong_t __unused6;
 };

 /*
  * A pointer passed in from user mode. This should not
  * be used for syscall parameters, just declare them
  * as pointers because the syscall entry code will have
  * appropriately converted them already.
  */

 static inline void __user *compat_ptr(compat_uptr_t uptr)
 {
 	return (void __user *)(unsigned long)uptr;
 }

 static inline compat_uptr_t ptr_to_compat(void __user *uptr)
 {
 	return (u32)(unsigned long)uptr;
 }

 static __inline__ void __user *arch_compat_alloc_user_space(long len)
 {
 	struct pt_regs *regs = &current->thread.regs;
 	return (void __user *)regs->gr[30];
 }

 static inline int __is_compat_task(struct task_struct *t)
 {
 	return test_ti_thread_flag(task_thread_info(t), TIF_32BIT);
 }

 static inline int is_compat_task(void)
 {
 	return __is_compat_task(current);
 }

 #endif /* _ASM_PARISC_COMPAT_H */
	/* SPDX-License-Identifier: GPL-2.0 */
	#ifndef _ASM_PARISC_COMPAT_H
	#define _ASM_PARISC_COMPAT_H
	/*
	* Architecture specific compatibility types
	*/
	#include <linux/types.h>
	#include <linux/sched.h>
	#include <linux/thread_info.h>

	#define COMPAT_USER_HZ 100
	#define COMPAT_UTS_MACHINE "parisc\0\0"

	typedef u32 compat_size_t;
	typedef s32 compat_ssize_t;
	typedef s32 compat_time_t;
	typedef s32 compat_clock_t;
	typedef s32 compat_pid_t;
	typedef u32 __compat_uid_t;
	typedef u32 __compat_gid_t;
	typedef u32 __compat_uid32_t;
	typedef u32 __compat_gid32_t;
	typedef u16 compat_mode_t;
	typedef u32 compat_ino_t;
	typedef u32 compat_dev_t;
	typedef s32 compat_off_t;
	typedef s64 compat_loff_t;
	typedef u16 compat_nlink_t;
	typedef u16 compat_ipc_pid_t;
	typedef s32 compat_daddr_t;
	typedef u32 compat_caddr_t;
	typedef s32 compat_key_t;
	typedef s32 compat_timer_t;

	typedef s32 compat_int_t;
	typedef s32 compat_long_t;
	typedef s64 compat_s64;
	typedef u32 compat_uint_t;
	typedef u32 compat_ulong_t;
	typedef u64 compat_u64;
	typedef u32 compat_uptr_t;

	struct compat_timespec {
	compat_time_t tv_sec;
	s32 tv_nsec;
	};

	struct compat_timeval {
	compat_time_t tv_sec;
	s32 tv_usec;
	};

	struct compat_stat {
	compat_dev_t st_dev; /* dev_t is 32 bits on parisc */
	compat_ino_t st_ino; /* 32 bits */
	compat_mode_t st_mode; /* 16 bits */
	compat_nlink_t st_nlink; /* 16 bits */
	u16 st_reserved1; /* old st_uid */
	u16 st_reserved2; /* old st_gid */
	compat_dev_t st_rdev;
	compat_off_t st_size;
	compat_time_t st_atime;
	u32 st_atime_nsec;
	compat_time_t st_mtime;
	u32 st_mtime_nsec;
	compat_time_t st_ctime;
	u32 st_ctime_nsec;
	s32 st_blksize;
	s32 st_blocks;
	u32 __unused1; /* ACL stuff */
	compat_dev_t __unused2; /* network */
	compat_ino_t __unused3; /* network */
	u32 __unused4; /* cnodes */
	u16 __unused5; /* netsite */
	short st_fstype;
	compat_dev_t st_realdev;
	u16 st_basemode;
	u16 st_spareshort;
	__compat_uid32_t st_uid;
	__compat_gid32_t st_gid;
	u32 st_spare4[3];
	};

	struct compat_flock {
	short l_type;
	short l_whence;
	compat_off_t l_start;
	compat_off_t l_len;
	compat_pid_t l_pid;
	};

	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 {
	s32 f_type;
	s32 f_bsize;
	s32 f_blocks;
	s32 f_bfree;
	s32 f_bavail;
	s32 f_files;
	s32 f_ffree;
	__kernel_fsid_t f_fsid;
	s32 f_namelen;
	s32 f_frsize;
	s32 f_flags;
	s32 f_spare[4];
	};

	struct compat_sigcontext {
	compat_int_t sc_flags;
	compat_int_t sc_gr[32]; /* PSW in sc_gr[0] */
	u64 sc_fr[32];
	compat_int_t sc_iasq[2];
	compat_int_t sc_iaoq[2];
	compat_int_t sc_sar; /* cr11 */
	};

	#define COMPAT_RLIM_INFINITY 0xffffffff

	typedef u32 compat_old_sigset_t; /* at least 32 bits */

	#define _COMPAT_NSIG 64
	#define _COMPAT_NSIG_BPW 32

	typedef u32 compat_sigset_word;

	typedef union compat_sigval {
	compat_int_t sival_int;
	compat_uptr_t sival_ptr;
	} compat_sigval_t;

	typedef struct compat_siginfo {
	int si_signo;
	int si_errno;
	int si_code;

	union {
	int _pad[128/sizeof(int) - 3];

	/* kill() */
	struct {
	unsigned int _pid; /* sender's pid */
	unsigned int _uid; /* sender's uid */
	} _kill;

	/* POSIX.1b timers */
	struct {
	compat_timer_t _tid; /* timer id */
	int _overrun; /* overrun count */
	char _pad[sizeof(unsigned int) - sizeof(int)];
	compat_sigval_t _sigval; /* same as below */
	int _sys_private; /* not to be passed to user */
	} _timer;

	/* POSIX.1b signals */
	struct {
	unsigned int _pid; /* sender's pid */
	unsigned int _uid; /* sender's uid */
	compat_sigval_t _sigval;
	} _rt;

	/* SIGCHLD */
	struct {
	unsigned int _pid; /* which child */
	unsigned int _uid; /* sender's uid */
	int _status; /* exit code */
	compat_clock_t _utime;
	compat_clock_t _stime;
	} _sigchld;

	/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
	struct {
	unsigned int _addr; /* faulting insn/memory ref. */
	} _sigfault;

	/* SIGPOLL */
	struct {
	int _band; /* POLL_IN, POLL_OUT, POLL_MSG */
	int _fd;
	} _sigpoll;

	/* SIGSYS */
	struct {
	compat_uptr_t _call_addr; /* calling user insn */
	int _syscall; /* triggering system call number */
	compat_uint_t _arch; /* AUDIT_ARCH_* of syscall */
	} _sigsys;
	} _sifields;
	} compat_siginfo_t;

	#define COMPAT_OFF_T_MAX 0x7fffffff
	#define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL

	struct compat_ipc64_perm {
	compat_key_t key;
	__compat_uid_t uid;
	__compat_gid_t gid;
	__compat_uid_t cuid;
	__compat_gid_t cgid;
	unsigned short int __pad1;
	compat_mode_t mode;
	unsigned short int __pad2;
	unsigned short int seq;
	unsigned int __pad3;
	unsigned long __unused1; /* yes they really are 64bit pads */
	unsigned long __unused2;
	};

	struct compat_semid64_ds {
	struct compat_ipc64_perm sem_perm;
	unsigned int __unused1;
	compat_time_t sem_otime;
	unsigned int __unused2;
	compat_time_t sem_ctime;
	compat_ulong_t sem_nsems;
	compat_ulong_t __unused3;
	compat_ulong_t __unused4;
	};

	struct compat_msqid64_ds {
	struct compat_ipc64_perm msg_perm;
	unsigned int __unused1;
	compat_time_t msg_stime;
	unsigned int __unused2;
	compat_time_t msg_rtime;
	unsigned int __unused3;
	compat_time_t msg_ctime;
	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;
	unsigned int __unused1;
	compat_time_t shm_atime;
	unsigned int __unused2;
	compat_time_t shm_dtime;
	unsigned int __unused3;
	compat_time_t shm_ctime;
	unsigned int __unused4;
	compat_size_t shm_segsz;
	compat_pid_t shm_cpid;
	compat_pid_t shm_lpid;
	compat_ulong_t shm_nattch;
	compat_ulong_t __unused5;
	compat_ulong_t __unused6;
	};

	/*
	* A pointer passed in from user mode. This should not
	* be used for syscall parameters, just declare them
	* as pointers because the syscall entry code will have
	* appropriately converted them already.
	*/

	static inline void __user *compat_ptr(compat_uptr_t uptr)
	{
	return (void __user *)(unsigned long)uptr;
	}

	static inline compat_uptr_t ptr_to_compat(void __user *uptr)
	{
	return (u32)(unsigned long)uptr;
	}

	static __inline__ void __user *arch_compat_alloc_user_space(long len)
	{
	struct pt_regs *regs = &current->thread.regs;
	return (void __user *)regs->gr[30];
	}

	static inline int __is_compat_task(struct task_struct *t)
	{
	return test_ti_thread_flag(task_thread_info(t), TIF_32BIT);
	}

	static inline int is_compat_task(void)
	{
	return __is_compat_task(current);
	}

	#endif /* _ASM_PARISC_COMPAT_H */