printdata.c

早期freebsd实现

/*-
 * Copyright (c) 1980, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef lint
static char sccsid[] = "@(#)printdata.c	8.1 (Berkeley) 6/6/93";
#endif /* not lint */

/*
 * print contents of data addresses in octal
 *
 * There are two entries:  one is given a range of addresses,
 * the other is given a count and a starting address.
 */

#include "defs.h"
#include "machine.h"
#include "process.h"
#include "object.h"
#include "process/process.rep"
#include "process/pxinfo.h"

#define WORDSPERLINE 4

/*
 * print words from lowaddr to highaddr
 */

printdata(lowaddr, highaddr)
ADDRESS lowaddr;
ADDRESS highaddr;
{
	register int count;
	register ADDRESS addr;
	int val;

	if (lowaddr > highaddr) {
		error("first address larger than second");
	}
	count = 0;
	for (addr = lowaddr; addr <= highaddr; addr += sizeof(int)) {
		if (count == 0) {
			printf("%8x: ", addr);
		}
		dread(&val, addr, sizeof(val));
		printf("  %8x", val);
		if (++count >= WORDSPERLINE) {
			putchar('\n');
			count = 0;
		}
	}
	if (count != 0) {
		putchar('\n');
	}
}