Fix auxv ordering and enhance signedness

pwndbg/commands/auxv.py

@@ -12,6 +12,6 @@ def auxv():
     """
     Print information from the Auxiliary ELF Vector.
     """
-    for k,v in pwndbg.auxv.get().items():
+    for k,v in sorted(pwndbg.auxv.get().items()):
         if v is not None:
             print(k.ljust(24), v if not isinstance(v, (long, int)) else pwndbg.chain.format(v))

pwndbg/enhance.py

@@ -32,7 +32,7 @@ def good_instr(i):
     return not any(bad in i for bad in bad_instrs)
 
 def int_str(value):
-    retval = '%#x' % int(value)
+    retval = '%#x' % int(value & pwndbg.arch.ptrmask)
 
     # Try to unpack the value as a string
     packed = pwndbg.arch.pack(int(value))