diff python/cortexm3.py @ 234:83781bd10fdb

wip
author Windel Bouwman
date Sun, 14 Jul 2013 19:29:21 +0200
parents e621e3ba78d2
children ff40407c0240
line wrap: on
line diff
--- a/python/cortexm3.py	Sun Jul 14 12:28:23 2013 +0200
+++ b/python/cortexm3.py	Sun Jul 14 19:29:21 2013 +0200
@@ -1,6 +1,6 @@
 import struct, types
 from target import Register, Instruction, Target, Imm8, Label, Imm3
-from asmnodes import ASymbol, ANumber, AUnop, ABinop, ALabel
+from asmnodes import ASymbol, ANumber, AUnop, ABinop
 from ppci import CompilerError
 import ir
 
@@ -36,7 +36,7 @@
             if name in regs:
                 r = regs[name]
                 return cls(r.num)
-                
+
 class Reg8Op:
     def __init__(self, num):
         assert num < 8
@@ -269,6 +269,10 @@
         self.label = label
         self.offset = 0
 
+    def resolve(self, f):
+        la = f(self.label)
+        self.offset = (la - self.address) + 4
+
     def encode(self):
         rt = self.rt.num
         assert rt < 8