Squashed 'external/capstone/' content from commit e46f64fa

git-subtree-dir: external/capstone
git-subtree-split: e46f64fadb351e9ecd05264fab26f2772feb0994

bindings/python/capstone/xtensa.py

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+# Capstone Python bindings, by billow <billow.fun@gmail.com>
+
+import ctypes
+from . import copy_ctypes_list
+from .xtensa_const import *
+
+
+class XtensaOpMem(ctypes.Structure):
+    _fields_ = (
+        ("base", ctypes.c_uint8),
+        ("disp", ctypes.c_int32),
+    )
+
+
+class XtensaOpValue(ctypes.Union):
+    _fields_ = (
+        ("reg", ctypes.c_uint8),
+        ("imm", ctypes.c_int32),
+        ("mem", XtensaOpMem),
+    )
+
+
+class XtensaOp(ctypes.Structure):
+    _fields_ = (
+        ("type", ctypes.c_uint8),
+        ("access", ctypes.c_uint8),
+        ("value", XtensaOpValue),
+    )
+
+    @property
+    def reg(self):
+        return self.value.reg
+
+    @property
+    def imm(self):
+        return self.value.imm
+
+    @property
+    def mem(self):
+        return self.value.mem
+
+
+# Instruction structure
+class CsXtensa(ctypes.Structure):
+    _fields_ = (
+        ("op_count", ctypes.c_uint8),
+        ("operands", XtensaOp * 8),
+        ("format", ctypes.c_uint32),
+    )
+
+
+def get_arch_info(a):
+    return copy_ctypes_list(a.operands[: a.op_count])