Make pwndbg.proc.exe actually work

pwndbg/proc.py

@@ -44,8 +44,13 @@ class module(ModuleType):
 
     @property
     def exe(self):
-        auxv = pwndbg.auxv.get()
-
+        for obj in gdb.objfiles():
+            if obj.filename:
+                return obj.filename
+            break
+        if self.alive:
+            auxv = pwndbg.auxv.get()
+            return auxv['AT_EXECFN']
     def OnlyWhenRunning(self, func):
         @functools.wraps(func)
         def wrapper(*a, **kw):