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Release 4.18 arch/sparc/include/asm/compat.h

Directory: arch/sparc/include/asm
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_SPARC64_COMPAT_H

#define _ASM_SPARC64_COMPAT_H
/*
 * Architecture specific compatibility types
 */
#include <linux/types.h>


#define COMPAT_USER_HZ		100

#define COMPAT_UTS_MACHINE	"sparc\0\0"


typedef u32		compat_size_t;

typedef s32		compat_ssize_t;

typedef s32		compat_clock_t;

typedef s32		compat_pid_t;

typedef u16		__compat_uid_t;

typedef u16		__compat_gid_t;

typedef u32		__compat_uid32_t;

typedef u32		__compat_gid32_t;

typedef u16		compat_mode_t;

typedef u32		compat_ino_t;

typedef u16		compat_dev_t;

typedef s32		compat_off_t;

typedef s64		compat_loff_t;

typedef s16		compat_nlink_t;

typedef u16		compat_ipc_pid_t;

typedef s32		compat_daddr_t;

typedef u32		compat_caddr_t;

typedef __kernel_fsid_t	compat_fsid_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_stat {
	
compat_dev_t	st_dev;
	
compat_ino_t	st_ino;
	
compat_mode_t	st_mode;
	
compat_nlink_t	st_nlink;
	
__compat_uid_t	st_uid;
	
__compat_gid_t	st_gid;
	
compat_dev_t	st_rdev;
	
compat_off_t	st_size;
	
compat_time_t	st_atime;
	
compat_ulong_t	st_atime_nsec;
	
compat_time_t	st_mtime;
	
compat_ulong_t	st_mtime_nsec;
	
compat_time_t	st_ctime;
	
compat_ulong_t	st_ctime_nsec;
	
compat_off_t	st_blksize;
	
compat_off_t	st_blocks;
	
u32		__unused4[2];
};


struct compat_stat64 {
	
unsigned long long	st_dev;

	
unsigned long long	st_ino;

	
unsigned int	st_mode;
	
unsigned int	st_nlink;

	
unsigned int	st_uid;
	
unsigned int	st_gid;

	
unsigned long long	st_rdev;

	
unsigned char	__pad3[8];

	
long long	st_size;
	
unsigned int	st_blksize;

	
unsigned char	__pad4[8];
	
unsigned int	st_blocks;

	
unsigned int	st_atime;
	
unsigned int	st_atime_nsec;

	
unsigned int	st_mtime;
	
unsigned int	st_mtime_nsec;

	
unsigned int	st_ctime;
	
unsigned int	st_ctime_nsec;

	
unsigned int	__unused4;
	
unsigned int	__unused5;
};


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


#define F_GETLK64	12

#define F_SETLK64	13

#define F_SETLKW64	14


struct compat_flock64 {
	
short		l_type;
	
short		l_whence;
	
compat_loff_t	l_start;
	
compat_loff_t	l_len;
	
compat_pid_t	l_pid;
	
short		__unused;
};


struct compat_statfs {
	
int		f_type;
	
int		f_bsize;
	
int		f_blocks;
	
int		f_bfree;
	
int		f_bavail;
	
int		f_files;
	
int		f_ffree;
	
compat_fsid_t	f_fsid;
	
int		f_namelen;	/* SunOS ignores this field. */
	
int		f_frsize;
	
int		f_flags;
	
int		f_spare[4];
};


#define COMPAT_RLIM_INFINITY 0x7fffffff


typedef u32		compat_old_sigset_t;


#define _COMPAT_NSIG		64

#define _COMPAT_NSIG_BPW	32


typedef u32		compat_sigset_word;


#define COMPAT_OFF_T_MAX	0x7fffffff

/*
 * 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;
}


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Sam Ravnborg24100.00%1100.00%


Total24100.00%1100.00%






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


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Sam Ravnborg22100.00%1100.00%


Total22100.00%1100.00%



#ifdef CONFIG_COMPAT



static inline void __user *arch_compat_alloc_user_space(long len)
{
	struct pt_regs *regs = current_thread_info()->kregs;
	unsigned long usp = regs->u_regs[UREG_I6];

	if (test_thread_64bit_stack(usp))
		usp += STACK_BIAS;

	if (test_thread_flag(TIF_32BIT))
		usp &= 0xffffffffUL;

	usp -= len;
	usp &= ~0x7UL;

	return (void __user *) usp;
}

Contributors
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Sam Ravnborg6286.11%133.33%


David S. Miller912.50%133.33%


H. Peter Anvin11.39%133.33%


Total72100.00%3100.00%



#endif


struct compat_ipc64_perm {
	
compat_key_t key;
	
__compat_uid32_t uid;
	
__compat_gid32_t gid;
	
__compat_uid32_t cuid;
	
__compat_gid32_t cgid;
	
unsigned short __pad1;
	
compat_mode_t mode;
	
unsigned short __pad2;
	
unsigned short seq;
	
unsigned long __unused1;	/* yes they really are 64bit pads */
	
unsigned long __unused2;
};


struct compat_semid64_ds {
	
struct compat_ipc64_perm sem_perm;
	
unsigned int	sem_otime_high;
	
unsigned int	sem_otime;
	
unsigned int	sem_ctime_high;
	
unsigned int	sem_ctime;
	
u32		sem_nsems;
	
u32		__unused1;
	
u32		__unused2;
};


struct compat_msqid64_ds {
	
struct compat_ipc64_perm msg_perm;
	
unsigned int	msg_stime_high;
	
unsigned int	msg_stime;
	
unsigned int	msg_rtime_high;
	
unsigned int	msg_rtime;
	
unsigned int	msg_ctime_high;
	
unsigned int	msg_ctime;
	
unsigned int	msg_cbytes;
	
unsigned int	msg_qnum;
	
unsigned int	msg_qbytes;
	
compat_pid_t	msg_lspid;
	
compat_pid_t	msg_lrpid;
	
unsigned int	__unused1;
	
unsigned int	__unused2;
};


struct compat_shmid64_ds {
	
struct compat_ipc64_perm shm_perm;
	
unsigned int	shm_atime_high;
	
unsigned int	shm_atime;
	
unsigned int	shm_dtime_high;
	
unsigned int	shm_dtime;
	
unsigned int	shm_ctime_high;
	
unsigned int	shm_ctime;
	
compat_size_t	shm_segsz;
	
compat_pid_t	shm_cpid;
	
compat_pid_t	shm_lpid;
	
unsigned int	shm_nattch;
	
unsigned int	__unused1;
	
unsigned int	__unused2;
};

#ifdef CONFIG_COMPAT



static inline int is_compat_task(void)
{
	return test_thread_flag(TIF_32BIT);
}


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Roland McGrath15100.00%1100.00%


Total15100.00%1100.00%






static inline bool in_compat_syscall(void)
{
	/* Vector 0x110 is LINUX_32BIT_SYSCALL_TRAP */
	return pt_regs_trap_type(current_pt_regs()) == 0x110;
}

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Andrew Lutomirski19100.00%1100.00%


Total19100.00%1100.00%




#define in_compat_syscall in_compat_syscall
#endif

#endif /* _ASM_SPARC64_COMPAT_H */

Overall Contributors
PersonTokensPropCommitsCommitProp
Sam Ravnborg67387.63%19.09%


Arnd Bergmann344.43%218.18%


Andrew Lutomirski232.99%19.09%


Roland McGrath151.95%19.09%


David S. Miller91.17%19.09%


Christoph Hellwig40.52%19.09%


Eric W. Biedermann40.52%19.09%


Denys Vlasenko40.52%19.09%


H. Peter Anvin10.13%19.09%


Greg Kroah-Hartman10.13%19.09%


Total768100.00%11100.00%


Directory: arch/sparc/include/asm



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