建立 MAG160C 逆向工程交接仓库

2026-08-11 19:08:44 +08:00
commit 8409b27ba3
3135 changed files with 534408 additions and 0 deletions
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+# -------------------------------------------------------------------------------
+# elftools: ehabi/structs.py
+#
+# Encapsulation of Construct structs for parsing an EHABI, adjusted for
+# correct endianness and word-size.
+#
+# LeadroyaL (leadroyal@qq.com)
+# This code is in the public domain
+# -------------------------------------------------------------------------------
+
+from ..construct import UBInt32, ULInt32, Struct
+
+
+class EHABIStructs:
+    """ Accessible attributes:
+
+            EH_index_struct:
+                Struct of item in section .ARM.exidx.
+
+            EH_table_struct:
+                Struct of item in section .ARM.extab.
+    """
+
+    def __init__(self, little_endian: bool) -> None:
+        self._little_endian = little_endian
+        self._create_structs()
+
+    def _create_structs(self) -> None:
+        if self._little_endian:
+            self.EHABI_uint32 = ULInt32
+        else:
+            self.EHABI_uint32 = UBInt32
+        self._create_exception_handler_index()
+        self._create_exception_handler_table()
+
+    def _create_exception_handler_index(self) -> None:
+        self.EH_index_struct = Struct(
+            'EH_index',
+            self.EHABI_uint32('word0'),
+            self.EHABI_uint32('word1')
+        )
+
+    def _create_exception_handler_table(self) -> None:
+        self.EH_table_struct = Struct(
+            'EH_table',
+            self.EHABI_uint32('word0'),
+        )