find-addresses

#!/usr/bin/awk -f
function add_size(name, size, vma, lma, fa)
{
	scns[idx, "name"] = name
	scns[idx, "size"] = size
	scns[idx, "vma"] = vma
	scns[idx, "lma"] = lma
	scns[idx, "fa"] = fa

	if (found != 1) {
		if ($1 == "Idx")
			found = 1
		next
	}
}

function load(idx)
{
	return match(scns[idx, "flags"], /LOAD/)
}

function alloc(idx)
{
	return match(scns[idx, "flags"], /ALLOC/)
}

function max(a, b)
{
	return a > b ? a : b
}

function start(idx)
{
	#print scns[idx, "name"] " vma:" scns[idx, "vma"] " lma:" scns[idx, "lma"] " fa:" scns[idx, "fa"] " max: " \
	#	max(scns[idx, "vma"],
	#	    max(scns[idx, "lma"], scns[idx, "fa"]))
	return max(scns[idx, "vma"],
		   max(scns[idx, "lma"], scns[idx, "fa"]))
}

function end(idx)
{
	return start(idx) + scns[idx, "size"]
}

BEGIN {
	maxidx = 0
	idx = 0
	found = 0
	pos = 0
}

{
	#print "FNR:" FNR " $0:" $0
	if (pos % 2 == 0) {
		add_size($2, strtonum("0x"$3), strtonum("0x"$4),
			 strtonum("0x"$5), strtonum("0x"$6))
		indices[idx] = idx
	} else {
		scns[idx, "flags"] = $0
		#print "scns[" idx "]:" scns[idx, "name"] " " scns[idx, "flags"]
		idx++
	}
	pos++
}

END {
	maxidx = 0
	for (idx in indices)
	{
		if (!load(idx) && !alloc(idx)) {
			#print "scns[" idx ", flags]:" scns[idx, "flags"]
			continue
		}
		#print "name:" scns[idx, "name"] " start:" start(idx) " end:" end(idx)
		if (end(idx) > end(maxidx))
		{
			#print "updating maxidx " idx " -> " maxidx
			maxidx = idx
		}
	}
	db = end(maxidx)
	if (db % 4096 != 0)
		db += 4096 - (db % 4096)
	dbx = db + dbsz
	if (dbx % 4096 != 0)
		dbx += 4096 - (dbx % 4096)
	printf "0x%x 0x%x\n", db, dbx
}