ANSIfy syscall args

[unix-history] / usr / src / sys / tahoe / align / Aprober.c

/*-
 * Copyright (c) 1986 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Computer Consoles Inc.
 *
 * %sccs.include.redist.c%
 *
 *	@(#)Aprober.c	7.1 (Berkeley) %G%
 */

#include "align.h" 

#define	PSL_USER	PSL_CURMOD
prober(infop)	process_info *infop;
/*
/*	Probe read accessability.
/*
/*************************************/
{
	register	long	Register_12;	/* Has to be first reg ! */
	register	long	Register_11;
	register	long	Register_10;
	register	long	Register_9;

	Register_9 = operand(infop,0)->data & 1;	/* Required mode */
	if (psl & PSL_USER) Register_9 = 1;		/* user can't probe as
							 *  kernel ! */
	Register_10 = operand(infop,1)->address;	/* Base address */
	Register_11 = operand(infop,2)->data;		/* Length */
	Register_12=psl;
	Set_psl(r12);	/* restore the user psl */
	asm ("	prober	r9,(r10),r11");
	asm ("	movpsl	r12");
	New_cc (Register_12);
}