yuzu/src/core/loader/nso.h

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// Copyright 2017 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <map>
#include <string>
#include "common/common_types.h"
#include "common/file_util.h"
#include "core/hle/kernel/kernel.h"
#include "core/loader/loader.h"
namespace Loader {
/// Loads an NSO file
class AppLoader_NSO final : public AppLoader {
public:
AppLoader_NSO(FileUtil::IOFile&& file, std::string filename, std::string filepath)
: AppLoader(std::move(file)), filename(std::move(filename)), filepath(std::move(filepath)) {
}
/**
* Returns the type of the file
* @param file FileUtil::IOFile open file
* @return FileType found, or FileType::Error if this loader doesn't know it
*/
static FileType IdentifyType(FileUtil::IOFile& file);
FileType GetFileType() override {
return IdentifyType(file);
}
ResultStatus Load() override;
private:
struct Symbol {
Symbol(std::string&& name, u64 value) : name(std::move(name)), value(value) {}
std::string name;
u64 value;
};
struct Import {
VAddr ea;
s64 addend;
};
void WriteRelocations(const std::vector<Symbol>& symbols, VAddr load_base,
u64 relocation_offset, u64 size, bool is_jump_relocation);
VAddr GetEntryPoint(VAddr load_base) const;
bool LoadNso(const std::string& path, VAddr load_base);
void Relocate(VAddr load_base, VAddr dynamic_section_addr);
std::map<std::string, Import> imports;
std::map<std::string, VAddr> exports;
std::string filename;
std::string filepath;
};
} // namespace Loader