nro.h

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/**
 * @file nro.h
 * @brief NRO headers.
 * @copyright libnx Authors
 */
 
#pragma once
 
#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;