Revamp Python regression tests suite (#2022)

* Fix Python regression test suite (partial)

* Fix Python regression test suite

* Add a test for mapping at high addresses

* Add ctl tests

tests/regress/x86_set_ip.py

@@ -1,21 +1,38 @@
+
+import regress
+
 from unicorn import *
 from unicorn.x86_const import *
 
-count = 0
 
-def cb(uc, addr, sz, data):
-    global count
-    count += 1
-    print(f"addr: {hex(addr)} count: {count}")
-    if count == 5:
-        uc.emu_stop()
-    else:
-        uc.reg_write(UC_X86_REG_RIP, 0x2000)
+NOPSLED = b"\x90" * 5
 
-mu = Uc(UC_ARCH_X86, UC_MODE_64)
 
-mu.mem_map(0x1000, 0x4000)
-mu.mem_write(0x1000, b"\x90" * 5)
-mu.mem_write(0x2000, b"\x90" * 5)
-mu.hook_add(UC_HOOK_CODE, cb)
-mu.emu_start(0x1000, 0x2000+1, 0, 0)
+class TestSetIP(regress.RegressTest):
+    def runTest(self):
+        # execution history
+        history = []
+
+        def __code_hook(uc, addr, size, ud):
+            # track execution history
+            history.append(addr)
+
+            if len(history) == 5:
+                uc.emu_stop()
+            else:
+                uc.reg_write(UC_X86_REG_RIP, 0x1800)
+
+        mu = Uc(UC_ARCH_X86, UC_MODE_64)
+
+        mu.mem_map(0x1000, 0x1000)
+        mu.mem_write(0x1000, NOPSLED)
+        mu.mem_write(0x1800, NOPSLED)
+
+        mu.hook_add(UC_HOOK_CODE, __code_hook)
+        mu.emu_start(0x1000, 0x1800 + 1)
+
+        self.assertListEqual([0x1000] + [0x1800] * 4, history)
+
+
+if __name__ == '__main__':
+    regress.main()