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VMOV emulation fails on ARM (in Thumb mode)

tests/regress/vmov.py

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+#!/usr/bin/env python
+# Moshe Kravchik
+
+from __future__ import print_function
+from unicorn import *
+from unicorn.arm_const import *
+
+
+
+# code to be emulated
+THUMB_CODE_FAIL = "\xC0\xEF\x10\x00" #                 VMOV.I32        D16, #0 ; Vector Move
+# memory address where emulation starts
+ADDRESS    = 0x10000
+
+
+# callback for tracing basic blocks
+def hook_block(uc, address, size, user_data):
+    print(">>> Tracing basic block at 0x%x, block size = 0x%x" %(address, size))
+
+# callback for tracing instructions
+def hook_code(uc, address, size, user_data):
+    print(">>> Tracing instruction at 0x%x, instruction size = %u" %(address, size))
+
+def test_thumb(code):
+    print("Emulate THUMB code")
+    try:
+        # Initialize emulator in thumb mode
+        mu = Uc(UC_ARCH_ARM, UC_MODE_THUMB)
+
+        # map 2MB memory for this emulation
+        mu.mem_map(ADDRESS, 2 * 1024 * 1024)
+
+        # write machine code to be emulated to memory
+        mu.mem_write(ADDRESS, code)
+
+        # initialize machine registers
+        for i in range(UC_ARM_REG_R0, UC_ARM_REG_R12):
+            val = mu.reg_write(i, i - UC_ARM_REG_R0)
+        mu.reg_write(UC_ARM_REG_SP, 0x1234)
+
+        # tracing all basic blocks with customized callback
+        mu.hook_add(UC_HOOK_BLOCK, hook_block)
+
+        # tracing all instructions with customized callback
+        mu.hook_add(UC_HOOK_CODE, hook_code)
+
+        sp = mu.reg_read(UC_ARM_REG_SP)
+        print(">>> Before emulation SP = 0x%x" %sp)
+        for i in range(UC_ARM_REG_R0, UC_ARM_REG_R12):
+            val = mu.reg_read(i)
+            print(">>> %s = 0x%x" % ("R" + str(i-UC_ARM_REG_R0),val))
+
+        # emulate machine code in infinite time
+        mu.emu_start(ADDRESS, ADDRESS + len(code))
+
+        # now print out some registers
+        print(">>> Emulation done. Below is the CPU context")
+
+        sp = mu.reg_read(UC_ARM_REG_SP)
+        print(">>> SP = 0x%x" %sp)
+        val = mu.reg_read(UC_ARM_REG_PC)
+        print(">>> PC = 0x%x" %val)
+        for i in range(UC_ARM_REG_R0, UC_ARM_REG_R12):
+            val = mu.reg_read(i)
+            print(">>> %s = 0x%x" % ("R" + str(i-UC_ARM_REG_R0),val))
+
+    except UcError as e:
+        print("ERROR: %s" % e)
+
+
+if __name__ == '__main__':
+    test_thumb(THUMB_CODE_FAIL)
+