Add super_access function to support dynamic access to structures and members

kernel/kpm/super_access.h

@@ -0,0 +1,39 @@
+#ifndef __SUKISU_SUPER_ACCESS_H
+#define __SUKISU_SUPER_ACCESS_H
+
+#include <linux/types.h>
+#include <linux/stddef.h>
+#include "kpm.h"
+#include "compact.h"
+
+// return 0 if successful
+// return -1 if struct not defined
+int sukisu_super_find_struct(
+    const char* struct_name,
+    size_t* out_size,
+    int* out_members
+);
+
+// Dynamic access struct
+// return 0 if successful
+// return -1 if struct not defined
+// return -2 if member not defined
+int sukisu_super_access (
+    const char* struct_name,
+    const char* member_name,
+    size_t* out_offset,
+    size_t* out_size
+);
+
+// Dynamic container_of
+// return 0 if success
+// return -1 if current struct not defined
+// return -2 if target member not defined
+int sukisu_super_container_of(
+    const char* struct_name,
+    const char* member_name,
+    void* ptr,
+    void** out_ptr
+);
+
+#endif