Merge pull request #98 from imbillow/invano-and-bjchan9an

invano's branch

Author: XVilka

idb/analysis.py

@@ -208,6 +208,14 @@ def addr(self):
         else:
             raise RuntimeError("unexpected wordsize")
 
+    def off(self):
+        offset = self.addr()
+        mask = (2 ** (self.wordsize * 8)) - 1
+        if offset & (1 << ((self.wordsize * 8) - 1)):
+            return offset | ~mask
+        else:
+            return offset
+
 
 Field = namedtuple("Field", ["name", "tag", "index", "cast", "minver"])
 # namedtuple default args.
@@ -843,10 +851,6 @@ def pcb_procname_size(self):
     def pcb_strlit_pref_size(self):
         self["strlit_pref"].vsSetLength(self.strlit_pref_size)
 
-    @property
-    def procName(self):
-        return self.procname
-
     def vsParse(self, sbytes, offset=0, fast=False):
         self.sbytes = sbytes
         self.len_sbytes = len(sbytes)
@@ -966,8 +970,10 @@ def __init__(self, buf, wordsize):
                 # eg. all of these, if high bit of flags not set.
                 pass
         else:
+            # We are in a function tail. Chunks can be above or below the tail
+            # owner
             try:
-                self.owner = self.startEA - u.addr()
+                self.owner = self.startEA - u.off()
                 self.refqty = u.dd()
             except IndexError:
                 # see warning note above