116 lines
No EOL
4.2 KiB
C#
116 lines
No EOL
4.2 KiB
C#
using LibHac.Common;
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using LibHac.Fs;
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using LibHac.Loader;
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using LibHac.Tools.FsSystem;
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using Ryujinx.Common.Logging;
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using System;
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using System.Text;
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using System.Text.RegularExpressions;
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namespace Ryujinx.HLE.Loaders.Executables
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{
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class NsoExecutable : IExecutable
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{
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public byte[] Program { get; }
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public Span<byte> Text => Program.AsSpan().Slice((int)TextOffset, (int)TextSize);
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public Span<byte> Ro => Program.AsSpan().Slice((int)RoOffset, (int)RoSize);
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public Span<byte> Data => Program.AsSpan().Slice((int)DataOffset, (int)DataSize);
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public uint TextOffset { get; }
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public uint RoOffset { get; }
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public uint DataOffset { get; }
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public uint BssOffset => DataOffset + (uint)Data.Length;
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public uint TextSize { get; }
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public uint RoSize { get; }
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public uint DataSize { get; }
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public uint BssSize { get; }
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public string Name;
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public Buffer32 BuildId;
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public NsoExecutable(IStorage inStorage, string name = null)
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{
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NsoReader reader = new NsoReader();
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reader.Initialize(inStorage.AsFile(OpenMode.Read)).ThrowIfFailure();
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TextOffset = reader.Header.Segments[0].MemoryOffset;
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RoOffset = reader.Header.Segments[1].MemoryOffset;
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DataOffset = reader.Header.Segments[2].MemoryOffset;
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BssSize = reader.Header.BssSize;
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reader.GetSegmentSize(NsoReader.SegmentType.Data, out uint uncompressedSize).ThrowIfFailure();
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Program = new byte[DataOffset + uncompressedSize];
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TextSize = DecompressSection(reader, NsoReader.SegmentType.Text, TextOffset);
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RoSize = DecompressSection(reader, NsoReader.SegmentType.Ro, RoOffset);
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DataSize = DecompressSection(reader, NsoReader.SegmentType.Data, DataOffset);
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Name = name;
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BuildId = reader.Header.ModuleId;
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PrintRoSectionInfo();
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}
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private uint DecompressSection(NsoReader reader, NsoReader.SegmentType segmentType, uint offset)
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{
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reader.GetSegmentSize(segmentType, out uint uncompressedSize).ThrowIfFailure();
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var span = Program.AsSpan().Slice((int)offset, (int)uncompressedSize);
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reader.ReadSegment(segmentType, span).ThrowIfFailure();
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return uncompressedSize;
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}
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private void PrintRoSectionInfo()
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{
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string rawTextBuffer = Encoding.ASCII.GetString(Ro);
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StringBuilder stringBuilder = new StringBuilder();
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string modulePath = null;
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if (BitConverter.ToInt32(Ro.Slice(0, 4)) == 0)
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{
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int length = BitConverter.ToInt32(Ro.Slice(4, 4));
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if (length > 0)
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{
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modulePath = Encoding.UTF8.GetString(Ro.Slice(8, length));
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}
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}
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if (string.IsNullOrEmpty(modulePath))
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{
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Match moduleMatch = Regex.Match(rawTextBuffer, @"[a-z]:[\\/][ -~]{5,}\.nss", RegexOptions.IgnoreCase | RegexOptions.CultureInvariant | RegexOptions.Compiled);
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if (moduleMatch.Success)
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{
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modulePath = moduleMatch.Value;
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}
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}
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stringBuilder.AppendLine($" Module: {modulePath}");
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Match fsSdkMatch = Regex.Match(rawTextBuffer, @"sdk_version: ([0-9.]*)", RegexOptions.Compiled);
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if (fsSdkMatch.Success)
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{
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stringBuilder.AppendLine($" FS SDK Version: {fsSdkMatch.Value.Replace("sdk_version: ", "")}");
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}
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MatchCollection sdkMwMatches = Regex.Matches(rawTextBuffer, @"SDK MW[ -~]*", RegexOptions.Compiled);
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if (sdkMwMatches.Count != 0)
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{
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string libHeader = " SDK Libraries: ";
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string libContent = string.Join($"\n{new string(' ', libHeader.Length)}", sdkMwMatches);
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stringBuilder.AppendLine($"{libHeader}{libContent}");
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}
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if (stringBuilder.Length > 0)
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{
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Logger.Info?.Print(LogClass.Loader, $"{Name}:\n{stringBuilder.ToString().TrimEnd('\r', '\n')}");
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}
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}
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}
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} |