from gdb import *
-def iterate_dll (head, field, match, pfield):
+def search_dll (head, field, match, pfield):
"""
- Iterates over a DLL data structure
+ Search in a DLL by iterates over it.
head: name of the symbol denoting the head of the DLL
field: the field that should be search for match
(symbol, _) = lookup_symbol (head)
if symbol is None:
print "Can't find symbol: " + head
- return
- while not symbol:
- symbol_val = symbol.value().derefence
- if match == symbol_val[field]:
+ return
+ symbol_val = symbol.value()
+ while symbol_val:
+ symbol_val_def = symbol_val.dereference()
+ field_val = symbol_val_def[field]
+ if field_val.type.code == gdb.TYPE_CODE_INT:
+ val = int(field_val)
+ res = (match == val)
+ elif (field_val.type.code == gdb.TYPE_CODE_STRING) or (field_val.type.code == gdb.TYPE_CODE_ARRAY):
+ val = str (field_val)
+ res = (match == val)
+ elif (field_val.type.code == gdb.TYPE_CODE_TYPEDEF):
+ val = str (field_val)
+ res = match in val
+ else:
+ continue
+
+ if res:
if pfield is None:
- print symbol_val
+ print symbol_val_def
else:
- print symbol_val[pfield]
- symbol = symbol_val["next"]
+ print symbol_val_def[pfield]
+ symbol_val = symbol_val_def["next"]