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