pandemonium_engine/thirdparty/libnx/nro.h

/**
* @file nro.h
* @brief NRO headers.
* @copyright libnx Authors
 */

#pragma once

#include "thirdparty/libnx/types.h"

#define NROHEADER_MAGIC 0x304f524e

#define NROASSETHEADER_MAGIC 0x54455341
#define NROASSETHEADER_VERSION 0

/// Entry for each segment in the codebin.
typedef struct {
	u32 file_off;
	u32 size;
} NroSegment;

/// Offset 0x0 in the NRO.
typedef struct {
	u32 unused;
	u32 mod_offset;
	u8  padding[8];
} NroStart;

/// This follows NroStart, the actual nro-header.
typedef struct {
	u32 magic;
	u32 unk1;
	u32 size;
	u32 unk2;
	NroSegment segments[3];
	u32 bss_size;
	u32 unk3;
	u8  build_id[0x20];
	u8  padding[0x20];
} NroHeader;

/// Custom asset section.
typedef struct {
	u64 offset;
	u64 size;
} NroAssetSection;

/// Custom asset header.
typedef struct {
	u32 magic;
	u32 version;
	NroAssetSection icon;
	NroAssetSection nacp;
	NroAssetSection romfs;
} NroAssetHeader;