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USER_REGSET_GET_FN(9)		 Machine State		 USER_REGSET_GET_FN(9)

NAME
       user_regset_get_fn - type of get function in struct user_regset

SYNOPSIS
       typedef int user_regset_get_fn(struct task_struct * target,
				      const struct user_regset * regset,
				      unsigned int pos, unsigned int count,
				      void * kbuf, void __user * ubuf);

ARGUMENTS
       target
	   thread being examined

       regset
	   regset being examined

       pos
	   offset into the regset data to access, in bytes

       count
	   amount of data to copy, in bytes

       kbuf
	   if not NULL, a kernel-space pointer to copy into

       ubuf
	   if kbuf is NULL, a user-space pointer to copy into

DESCRIPTION
       Fetch register values. Return 0 on success; -EIO or -ENODEV are usual
       failure returns. The pos and count values are in bytes, but must be
       properly aligned. If kbuf is non-null, that buffer is used and ubuf is
       ignored. If kbuf is NULL, then ubuf gives a userland pointer to access
       directly, and an -EFAULT return value is possible.

Kernel Hackers Manual 2.6.	 November 2013		 USER_REGSET_GET_FN(9)

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