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Virtual Filesystem (#597)

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* Add VfsFile and VfsDirectory classes

* Finish abstract Vfs classes

* Implement RealVfsFile (computer fs backend)

* Finish RealVfsFile and RealVfsDirectory

* Finished OffsetVfsFile

* More changes

* Fix import paths

* Major refactor

* Remove double const

* Use experimental/filesystem or filesystem depending on compiler

* Port partition_filesystem

* More changes

* More Overhaul

* FSP_SRV fixes

* Fixes and testing

* Try to get filesystem to compile

* Filesystem on linux

* Remove std::filesystem and document/test

* Compile fixes

* Missing include

* Bug fixes

* Fixes

* Rename v_file and v_dir

* clang-format fix

* Rename NGLOG_* to LOG_*

* Most review changes

* Fix TODO

* Guess 'main' to be Directory by filename
This commit is contained in:
Zach Hilman 2018-07-06 10:51:32 -04:00 • committed by bunnei
parent 51bd76a5fd
commit 77c684c114
45 changed files with 1796 additions and 1688 deletions
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24
src/core/loader/elf.cpp
View file

@ -365,20 +365,17 @@ SectionID ElfReader::GetSectionByName(const char* name, int firstSection) const
namespace Loader {
AppLoader_ELF::AppLoader_ELF(FileUtil::IOFile&& file, std::string filename)
: AppLoader(std::move(file)), filename(std::move(filename)) {}
AppLoader_ELF::AppLoader_ELF(FileSys::VirtualFile file) : AppLoader(std::move(file)) {}
FileType AppLoader_ELF::IdentifyType(FileUtil::IOFile& file, const std::string&) {
FileType AppLoader_ELF::IdentifyType(const FileSys::VirtualFile& file) {
static constexpr u16 ELF_MACHINE_ARM{0x28};
u32 magic = 0;
file.Seek(0, SEEK_SET);
if (1 != file.ReadArray<u32>(&magic, 1))
if (4 != file->ReadObject(&magic))
return FileType::Error;
u16 machine = 0;
file.Seek(18, SEEK_SET);
if (1 != file.ReadArray<u16>(&machine, 1))
if (2 != file->ReadObject(&machine, 18))
return FileType::Error;
if (Common::MakeMagic('\x7f', 'E', 'L', 'F') == magic && ELF_MACHINE_ARM == machine)
@ -391,20 +388,13 @@ ResultStatus AppLoader_ELF::Load(Kernel::SharedPtr<Kernel::Process>& process) {
if (is_loaded)
return ResultStatus::ErrorAlreadyLoaded;
if (!file.IsOpen())
return ResultStatus::Error;
// Reset read pointer in case this file has been read before.
file.Seek(0, SEEK_SET);
size_t size = file.GetSize();
std::unique_ptr<u8[]> buffer(new u8[size]);
if (file.ReadBytes(&buffer[0], size) != size)
std::vector<u8> buffer = file->ReadAllBytes();
if (buffer.size() != file->GetSize())
return ResultStatus::Error;
ElfReader elf_reader(&buffer[0]);
SharedPtr<CodeSet> codeset = elf_reader.LoadInto(Memory::PROCESS_IMAGE_VADDR);
codeset->name = filename;
codeset->name = file->GetName();
process->LoadModule(codeset, codeset->entrypoint);
process->svc_access_mask.set();