WIP overlay support and some libultra function implementations for other games

sections.h

@@ -0,0 +1,21 @@
+#ifndef __SECTIONS_H__
+#define __SECTIONS_H__
+
+#include <stdint.h>
+
+#define ARRLEN(x) (sizeof(x) / sizeof((x)[0]))
+
+typedef struct {
+    void* func;
+    uint32_t offset;
+} FuncEntry;
+
+typedef struct {
+    uint32_t rom_addr;
+    uint32_t ram_addr;
+    uint32_t size;
+    FuncEntry *funcs;
+    size_t num_funcs;
+} SectionTableEntry;
+
+#endif