#!/bin/awk -f

BEGIN {
	if (ARGC != 3) {
		print "Syntax: regdiff dump1 dump2\n" > "/dev/stderr";
		exit(1);
	}

	f1 = ARGV[1];
	f2 = ARGV[2];

	if ((getline l1 < f1) <= 0 || (getline l2 < f2) <= 0) {
		printf("Cannot find file %s or %s\n", f1, f2) > "/dev/stderr";
		exit(1);
	}

	while (1) {
		if  ((getline l1 < f1) <= 0 || (getline l2 < f2) <= 0)
			break;
		l1n = split(l1, l1a);
		l2n = split(l2, l2a);
		for (i = 1; i < l1n; i++) {
			if (l1a[i] != l2a[i]) {
				reg = sprintf("%s[0x%X]", substr(l1a[1], 0, length(l1a[1]) - 1), i - 2);
				printf("%s:%20s%20s\n", reg, l1a[i], l2a[i]);
			}
		}
	}

	exit(0);
}