cregit-Linux how code gets into the kernel

Release 4.14 arch/parisc/include/asm/compat.h

Directory: arch/parisc/include/asm
/* 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;
}


Contributors
PersonTokensPropCommitsCommitProp
Stephen Rothwell2291.67%375.00%


Matthew Wilcox28.33%125.00%


Total24100.00%4100.00%






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


Contributors
PersonTokensPropCommitsCommitProp
Ingo Molnar22100.00%1100.00%


Total22100.00%1100.00%






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


Contributors
PersonTokensPropCommitsCommitProp
Matthew Wilcox3697.30%375.00%


H. Peter Anvin12.70%125.00%


Total37100.00%4100.00%






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


Contributors
PersonTokensPropCommitsCommitProp
Kyle McMartin2086.96%266.67%


Roman Zippel313.04%133.33%


Total23100.00%3100.00%






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


Contributors
PersonTokensPropCommitsCommitProp
Kyle McMartin15100.00%1100.00%


Total15100.00%1100.00%



#endif /* _ASM_PARISC_COMPAT_H */

Overall Contributors
PersonTokensPropCommitsCommitProp
Matthew Wilcox35739.40%620.69%


Helge Deller20822.96%310.34%


Denys Vlasenko17319.09%13.45%


Stephen Rothwell798.72%724.14%


Kyle McMartin384.19%26.90%


Ingo Molnar222.43%13.45%


Arnd Bergmann80.88%13.45%


Christoph Hellwig40.44%13.45%


Eric W. Biedermann40.44%13.45%


Randolph Chung40.44%13.45%


Andrew Morton30.33%13.45%


Roman Zippel30.33%13.45%


Marcin Ślusarz10.11%13.45%


H. Peter Anvin10.11%13.45%


Greg Kroah-Hartman10.11%13.45%


Total906100.00%29100.00%


Directory: arch/parisc/include/asm



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