static int genregs_set()

in kernel/ptrace.c [61:88]

• 19 lines of code
• 4 McCabe index (conditional complexity)

static int genregs_set(struct task_struct *target,
		       const struct user_regset *regset,
		       unsigned int pos, unsigned int count,
		       const void *kbuf, const void __user * ubuf)
{
	struct pt_regs *regs = task_pt_regs(target);
	int ret;

	/* ignore r0 */
	ret = user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, 0, 4);
	/* r1 - r31 */
	if (!ret)
		ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
					 regs->gpr+1, 4, 4*32);
	/* PC */
	if (!ret)
		ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
				 &regs->pc, 4*32, 4*33);
	/*
	 * Skip SR and padding... userspace isn't allowed to changes bits in
	 * the Supervision register
	 */
	if (!ret)
		ret = user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
						4*33, -1);

	return ret;
}