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Merge pull request #782 from lioncash/file

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loader/nro: Minor changes
This commit is contained in:
bunnei 2018-07-23 19:06:30 -07:00 committed by GitHub
commit 10dd03dec5
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 33 additions and 14 deletions
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37
src/core/loader/nro.cpp
View file

@ -6,6 +6,7 @@
#include <vector>
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "common/file_util.h"
#include "common/logging/log.h"
#include "common/swap.h"
@ -68,22 +69,27 @@ static_assert(sizeof(AssetHeader) == 0x38, "AssetHeader has incorrect size.");
AppLoader_NRO::AppLoader_NRO(FileSys::VirtualFile file) : AppLoader(file) {
NroHeader nro_header{};
if (file->ReadObject(&nro_header) != sizeof(NroHeader))
if (file->ReadObject(&nro_header) != sizeof(NroHeader)) {
return;
}
if (file->GetSize() >= nro_header.file_size + sizeof(AssetHeader)) {
u64 offset = nro_header.file_size;
const u64 offset = nro_header.file_size;
AssetHeader asset_header{};
if (file->ReadObject(&asset_header, offset) != sizeof(AssetHeader))
if (file->ReadObject(&asset_header, offset) != sizeof(AssetHeader)) {
return;
}
if (asset_header.format_version != 0)
if (asset_header.format_version != 0) {
LOG_WARNING(Loader,
"NRO Asset Header has format {}, currently supported format is 0. If "
"strange glitches occur with metadata, check NRO assets.",
asset_header.format_version);
if (asset_header.magic != Common::MakeMagic('A', 'S', 'E', 'T'))
}
if (asset_header.magic != Common::MakeMagic('A', 'S', 'E', 'T')) {
return;
}
if (asset_header.nacp.size > 0) {
nacp = std::make_unique<FileSys::NACP>(std::make_shared<FileSys::OffsetVfsFile>(
@ -101,6 +107,8 @@ AppLoader_NRO::AppLoader_NRO(FileSys::VirtualFile file) : AppLoader(file) {
}
}
AppLoader_NRO::~AppLoader_NRO() = default;
FileType AppLoader_NRO::IdentifyType(const FileSys::VirtualFile& file) {
// Read NSO header
NroHeader nro_header{};
@ -130,8 +138,9 @@ bool AppLoader_NRO::LoadNro(FileSys::VirtualFile file, VAddr load_base) {
// Build program image
Kernel::SharedPtr<Kernel::CodeSet> codeset = Kernel::CodeSet::Create("");
std::vector<u8> program_image = file->ReadBytes(PageAlignSize(nro_header.file_size));
if (program_image.size() != PageAlignSize(nro_header.file_size))
if (program_image.size() != PageAlignSize(nro_header.file_size)) {
return {};
}
for (std::size_t i = 0; i < nro_header.segments.size(); ++i) {
codeset->segments[i].addr = nro_header.segments[i].offset;
@ -187,29 +196,37 @@ ResultStatus AppLoader_NRO::Load(Kernel::SharedPtr<Kernel::Process>& process) {
}
ResultStatus AppLoader_NRO::ReadIcon(std::vector<u8>& buffer) {
if (icon_data.empty())
if (icon_data.empty()) {
return ResultStatus::ErrorNotUsed;
}
buffer = icon_data;
return ResultStatus::Success;
}
ResultStatus AppLoader_NRO::ReadProgramId(u64& out_program_id) {
if (nacp == nullptr)
if (nacp == nullptr) {
return ResultStatus::ErrorNotUsed;
}
out_program_id = nacp->GetTitleId();
return ResultStatus::Success;
}
ResultStatus AppLoader_NRO::ReadRomFS(FileSys::VirtualFile& dir) {
if (romfs == nullptr)
if (romfs == nullptr) {
return ResultStatus::ErrorNotUsed;
}
dir = romfs;
return ResultStatus::Success;
}
ResultStatus AppLoader_NRO::ReadTitle(std::string& title) {
if (nacp == nullptr)
if (nacp == nullptr) {
return ResultStatus::ErrorNotUsed;
}
title = nacp->GetApplicationName();
return ResultStatus::Success;
}

10
src/core/loader/nro.h
View file

@ -6,19 +6,21 @@
#include <string>
#include "common/common_types.h"
#include "core/file_sys/control_metadata.h"
#include "core/hle/kernel/kernel.h"
#include "core/loader/linker.h"
#include "core/loader/loader.h"
namespace Loader {
namespace FileSys {
class NACP;
}
struct AssetHeader;
namespace Loader {
/// Loads an NRO file
class AppLoader_NRO final : public AppLoader, Linker {
public:
AppLoader_NRO(FileSys::VirtualFile file);
explicit AppLoader_NRO(FileSys::VirtualFile file);
~AppLoader_NRO() override;
/**
* Returns the type of the file