- test out dumpaout.py and adjust it to dump kernel properly.

tools/dumpaout.py

@@ -1,5 +1,6 @@
 #!/usr/bin/env python
 
+import sys
 from struct import pack, unpack
 
 class AOut(object) :
@@ -11,7 +12,8 @@ class AOut(object) :
 		self.txtd = bin[:self.txt]
 		self.symd = bin[self.txt : self.txt+self.sym]
 		self.reld = bin[self.txt+self.sym : self.txt+self.sym+self.rel]
-		assert len(bin) == self.txt+self.sym+self.rel
+		# XXX why isnt this true?
+		#assert len(bin) == self.txt+self.sym+self.rel
 	def __str__(self) :
 		return '[a.out mag=%x txt=%x sym=%x rel=%x dat=%x z=%x]' % \
 			(self.mag, self.txt, self.sym, self.rel, self.dat, self.z)
@@ -20,12 +22,21 @@ def dump(fn, addr) :
 	f = file(fn, 'rb')
 	a = AOut(f.read())
 	f.close()
+	print a
 	assert a.rel == 0 
 
 	vals = unpack("<%dH" % (a.txt/2), a.txtd)
+
+	# it appears the a.out header isnt used for the kernel.
+	# dropping the first 16 bytes causes the tables in u0.s to
+	# line up with the addresses they were assigned...
+	vals = vals[8:]
 	for n,v in enumerate(vals) :
 		print 'dep cpu %o %06o' % (addr+n*2, v)
+	print 'go 400'
 
 # XXX just an example.
-dump('/tmp/s2/bin/ls', 02000)
+#dump('/tmp/s2/bin/ls', 02000)
+for fn in sys.argv[1:] :
+	dump(fn, 0)