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// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <array>
#include <optional>
#include <type_traits>
#include "common/common_types.h"
#include "common/swap.h"
#include "core/file_sys/patch_manager.h"
#include "core/loader/loader.h"
namespace Kernel {
class Process;
}
namespace Loader {
struct NSOSegmentHeader {
u32_le offset;
u32_le location;
u32_le size;
union {
u32_le alignment;
u32_le bss_size;
};
};
static_assert(sizeof(NSOSegmentHeader) == 0x10, "NsoSegmentHeader has incorrect size.");
struct NSOHeader {
using SHA256Hash = std::array<u8, 0x20>;
struct RODataRelativeExtent {
u32_le data_offset;
u32_le size;
};
u32_le magic;
u32_le version;
u32 reserved;
u32_le flags;
std::array<NSOSegmentHeader, 3> segments; // Text, RoData, Data (in that order)
std::array<u8, 0x20> build_id;
std::array<u32_le, 3> segments_compressed_size;
std::array<u8, 0x1C> padding;
RODataRelativeExtent api_info_extent;
RODataRelativeExtent dynstr_extent;
RODataRelativeExtent dynsyn_extent;
std::array<SHA256Hash, 3> segment_hashes;
bool IsSegmentCompressed(size_t segment_num) const;
};
static_assert(sizeof(NSOHeader) == 0x100, "NSOHeader has incorrect size.");
static_assert(std::is_trivially_copyable_v<NSOHeader>, "NSOHeader must be trivially copyable.");
constexpr u64 NSO_ARGUMENT_DATA_ALLOCATION_SIZE = 0x9000;
struct NSOArgumentHeader {
u32_le allocated_size;
u32_le actual_size;
INSERT_PADDING_BYTES(0x18);
};
static_assert(sizeof(NSOArgumentHeader) == 0x20, "NSOArgumentHeader has incorrect size.");
/// Loads an NSO file
class AppLoader_NSO final : public AppLoader {
public:
explicit AppLoader_NSO(FileSys::VirtualFile file);
/**
* Returns the type of the file
* @param file std::shared_ptr<VfsFile> open file
* @return FileType found, or FileType::Error if this loader doesn't know it
*/
static FileType IdentifyType(const FileSys::VirtualFile& file);
FileType GetFileType() const override {
return IdentifyType(file);
}
static std::optional<VAddr> LoadModule(Kernel::Process& process, const FileSys::VfsFile& file,
VAddr load_base, bool should_pass_arguments,
std::optional<FileSys::PatchManager> pm = {});
LoadResult Load(Kernel::Process& process) override;
ResultStatus ReadNSOModules(Modules& modules) override;
private:
Modules modules;
};
} // namespace Loader
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