Merge pull request #245 from mrexodia/x64_sym_resolver

added regression test for sym_resolver

suite/regress/x64_sym_resolver.py

+#!/usr/bin/python
+
+# Test some issues with KS_OPT_SYM_RESOLVER
+
+# Github issue: #244
+# Author: Duncan (mrexodia)
+
+from keystone import *
+
+import regress
+
+class TestX86(regress.RegressTest):
+    def runTest(self):
+        def sym_resolver(symbol, value):
+            # is this the missing symbol we want to handle?
+            if symbol == "ZwQueryInformationProcess":
+                # put value of this symbol in @value
+                value = 0x7FF98A050840
+                # we handled this symbol, so return true
+                print 'sym_resolver called!'
+                return True
+ 
+            # we did not handle this symbol, so return false
+            return False
+
+        # Initialize Keystone engine
+        ks = Ks(KS_ARCH_X86, KS_MODE_64)
+        ks.sym_resolver = sym_resolver
+
+        encoding, _ = ks.asm(b"call 0x7FF98A050840", 0x7FF98A081A38)
+        self.assertEqual(encoding, [ 0xE8, 0x03, 0xEE, 0xFC, 0xFF ])
+
+        encoding, _ = ks.asm(b"call ZwQueryInformationProcess", 0x7FF98A081A38)
+        self.assertEqual(encoding, [ 0xE8, 0x03, 0xEE, 0xFC, 0xFF ])
+
+
+if __name__ == '__main__':
+    regress.main()