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Ryujinx/Ryujinx.HLE/Loaders/Executables/NsoExecutable.cs
Mary 2c48750ff0
Fix compilation warnings and use new LibHac APIs for executable loading (#1350)
* Fix compilation warnings and use new LibHac APIs for executable loading

* Migrate NSO loader to the new reader and fix kip loader

* Fix CS0162 restore

* Remove extra return lines

* Address Moose's comment
2020-07-04 01:58:01 +02:00

47 lines
No EOL
1.5 KiB
C#

using LibHac.Fs;
using LibHac.FsSystem;
using LibHac.Loader;
namespace Ryujinx.HLE.Loaders.Executables
{
class NsoExecutable : IExecutable
{
public byte[] Text { get; }
public byte[] Ro { get; }
public byte[] Data { get; }
public int TextOffset { get; }
public int RoOffset { get; }
public int DataOffset { get; }
public int BssOffset => DataOffset + Data.Length;
public int BssSize { get; }
public NsoExecutable(IStorage inStorage)
{
NsoReader reader = new NsoReader();
reader.Initialize(inStorage.AsFile(OpenMode.Read)).ThrowIfFailure();
TextOffset = (int)reader.Header.Segments[0].MemoryOffset;
RoOffset = (int)reader.Header.Segments[1].MemoryOffset;
DataOffset = (int)reader.Header.Segments[2].MemoryOffset;
BssSize = (int)reader.Header.BssSize;
Text = DecompressSection(reader, NsoReader.SegmentType.Text);
Ro = DecompressSection(reader, NsoReader.SegmentType.Ro);
Data = DecompressSection(reader, NsoReader.SegmentType.Data);
}
private static byte[] DecompressSection(NsoReader reader, NsoReader.SegmentType segmentType)
{
reader.GetSegmentSize(segmentType, out uint uncompressedSize).ThrowIfFailure();
byte[] result = new byte[uncompressedSize];
reader.ReadSegment(segmentType, result).ThrowIfFailure();
return result;
}
}
}