yuzu/src/core/loader/nso.h
Morph 99ceb03a1c general: Convert source file copyright comments over to SPDX
This formats all copyright comments according to SPDX formatting guidelines.
Additionally, this resolves the remaining GPLv2 only licensed files by relicensing them to GPLv2.0-or-later.
2022-04-23 05:55:32 -04:00

101 lines
2.8 KiB
C++

// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#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 Core {
class System;
}
namespace Kernel {
class KProcess;
}
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 u32 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_);
/**
* Identifies whether or not the given file is a form of NSO file.
*
* @param in_file The file to be identified.
*
* @return FileType::NSO if found, or FileType::Error if some other type of file.
*/
static FileType IdentifyType(const FileSys::VirtualFile& in_file);
FileType GetFileType() const override {
return IdentifyType(file);
}
static std::optional<VAddr> LoadModule(Kernel::KProcess& process, Core::System& system,
const FileSys::VfsFile& nso_file, VAddr load_base,
bool should_pass_arguments, bool load_into_process,
std::optional<FileSys::PatchManager> pm = {});
LoadResult Load(Kernel::KProcess& process, Core::System& system) override;
ResultStatus ReadNSOModules(Modules& out_modules) override;
private:
Modules modules;
};
} // namespace Loader