BSD 4_1c_2 release

[unix-history] / usr / src / ucb / pascal / pdx / machine / printdata.c

/* Copyright (c) 1982 Regents of the University of California */

static char sccsid[] = "@(#)printdata.c 1.1 1/18/82";

/*
* 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"

#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');
       }
}

/*
* print count words starting at address
*/

printndata(count, addr)
int count;
ADDRESS addr;
{
       printdata(addr, addr + (count - 1)*sizeof(int));
}