add macho load command 'LC_LOAD_WEAK_DYLIB' support

Author: hackeranonymousdeepweb

qiling/loader/macho_parser/const.py

@@ -45,6 +45,7 @@
 LC_LOAD_DYLINKER        = 0x0000000E
 LC_MAIN                 = 0x80000028
 LC_LOAD_DYLIB           = 0x0000000C
+LC_LOAD_WEAK_DYLIB      = 0x80000018
 LC_ENCRYPTION_INFO_64   = 0x0000002C
 LC_BUILD_VERSION        = 0x00000032
 LC_DYLD_EXPORTS_TRIE    = 0x80000033

qiling/loader/macho_parser/loadcommand.py

@@ -39,6 +39,7 @@ def get_complete(self):
             LC_LOAD_DYLINKER        :   LoadDylinker,
             LC_MAIN                 :   LoadMain,
             LC_LOAD_DYLIB           :   LoadDyLib,
+            LC_LOAD_WEAK_DYLIB      :   LoadWeakDyLib,
             LC_ENCRYPTION_INFO_64   :   LoadEncryptionInfo64,
             LC_DYLD_EXPORTS_TRIE    :   LoadDyldExportTrie,
             LC_DYLD_CHAINED_FIXUPS  :   LoadDyldChainedFixups,
@@ -255,6 +256,11 @@ def get_complete(self):
         pass
 
 
+class LoadWeakDyLib(LoadDyLib):
+    def __init__(self, data):
+        super().__init__(data)
+
+
 class LoadUnixThread(LoadCommand):
 
     def __init__(self, data):