Allow access to code memory for exefs mods (#5518)
* Allow access to code memory for exefs mods * Add ASLR workaround for Skyline * Hardcode allowCodeMemoryForJit to true
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TSRBerry
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@ -29,7 +29,7 @@ namespace ARMeilleure.Translation.PTC
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private const string OuterHeaderMagicString = "PTCohd\0\0";
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private const string InnerHeaderMagicString = "PTCihd\0\0";
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private const uint InternalVersion = 5502; //! To be incremented manually for each change to the ARMeilleure project.
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private const uint InternalVersion = 5518; //! To be incremented manually for each change to the ARMeilleure project.
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private const string ActualDir = "0";
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private const string BackupDir = "1";
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@ -27,6 +27,26 @@ namespace ARMeilleure.Translation.PTC
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return dictionary;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static Dictionary<TKey, TValue> DeserializeAndUpdateDictionary<TKey, TValue>(Stream stream, Func<Stream, TValue> valueFunc, Func<TKey, TValue, (TKey, TValue)> updateFunc) where TKey : struct
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{
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Dictionary<TKey, TValue> dictionary = new();
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int count = DeserializeStructure<int>(stream);
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for (int i = 0; i < count; i++)
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{
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TKey key = DeserializeStructure<TKey>(stream);
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TValue value = valueFunc(stream);
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(key, value) = updateFunc(key, value);
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dictionary.Add(key, value);
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}
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return dictionary;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static List<T> DeserializeList<T>(Stream stream) where T : struct
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{
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@ -9,10 +9,13 @@ using System.Collections.Generic;
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using System.Diagnostics;
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using System.IO;
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using System.IO.Compression;
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using System.Linq;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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using System.Threading;
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using System.Timers;
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using static ARMeilleure.Translation.PTC.PtcFormatter;
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using Timer = System.Timers.Timer;
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namespace ARMeilleure.Translation.PTC
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{
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@ -20,7 +23,11 @@ namespace ARMeilleure.Translation.PTC
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{
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private const string OuterHeaderMagicString = "Pohd\0\0\0\0";
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private const uint InternalVersion = 1866; //! Not to be incremented manually for each change to the ARMeilleure project.
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private const uint InternalVersion = 5518; //! Not to be incremented manually for each change to the ARMeilleure project.
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private static readonly uint[] _migrateInternalVersions = {
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1866,
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};
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private const int SaveInterval = 30; // Seconds.
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@ -28,7 +35,7 @@ namespace ARMeilleure.Translation.PTC
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private readonly Ptc _ptc;
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private readonly System.Timers.Timer _timer;
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private readonly Timer _timer;
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private readonly ulong _outerHeaderMagic;
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@ -51,7 +58,7 @@ namespace ARMeilleure.Translation.PTC
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{
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_ptc = ptc;
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_timer = new System.Timers.Timer((double)SaveInterval * 1000d);
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_timer = new Timer(SaveInterval * 1000d);
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_timer.Elapsed += PreSave;
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_outerHeaderMagic = BinaryPrimitives.ReadUInt64LittleEndian(EncodingCache.UTF8NoBOM.GetBytes(OuterHeaderMagicString).AsSpan());
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@ -168,7 +175,7 @@ namespace ARMeilleure.Translation.PTC
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return false;
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}
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if (outerHeader.InfoFileVersion != InternalVersion)
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if (outerHeader.InfoFileVersion != InternalVersion && !_migrateInternalVersions.Contains(outerHeader.InfoFileVersion))
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{
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InvalidateCompressedStream(compressedStream);
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@ -211,7 +218,19 @@ namespace ARMeilleure.Translation.PTC
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return false;
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}
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ProfiledFuncs = Deserialize(stream);
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switch (outerHeader.InfoFileVersion)
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{
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case InternalVersion:
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ProfiledFuncs = Deserialize(stream);
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break;
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case 1866:
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ProfiledFuncs = Deserialize(stream, (address, profile) => (address + 0x500000UL, profile));
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break;
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default:
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Logger.Error?.Print(LogClass.Ptc, $"No migration path for {nameof(outerHeader.InfoFileVersion)} '{outerHeader.InfoFileVersion}'. Discarding cache.");
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InvalidateCompressedStream(compressedStream);
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return false;
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}
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Debug.Assert(stream.Position == stream.Length);
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@ -225,9 +244,14 @@ namespace ARMeilleure.Translation.PTC
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return true;
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}
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private static Dictionary<ulong, FuncProfile> Deserialize(Stream stream)
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private static Dictionary<ulong, FuncProfile> Deserialize(Stream stream, Func<ulong, FuncProfile, (ulong, FuncProfile)> migrateEntryFunc = null)
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{
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return DeserializeDictionary<ulong, FuncProfile>(stream, (stream) => DeserializeStructure<FuncProfile>(stream));
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if (migrateEntryFunc != null)
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{
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return DeserializeAndUpdateDictionary(stream, DeserializeStructure<FuncProfile>, migrateEntryFunc);
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}
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return DeserializeDictionary<ulong, FuncProfile>(stream, DeserializeStructure<FuncProfile>);
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}
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private static ReadOnlySpan<byte> GetReadOnlySpan(MemoryStream memoryStream)
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@ -240,7 +264,7 @@ namespace ARMeilleure.Translation.PTC
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compressedStream.SetLength(0L);
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}
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private void PreSave(object source, System.Timers.ElapsedEventArgs e)
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private void PreSave(object source, ElapsedEventArgs e)
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{
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_waitEvent.Reset();
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@ -277,7 +301,7 @@ namespace ARMeilleure.Translation.PTC
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{
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Debug.Assert(stream.Seek(0L, SeekOrigin.Begin) == 0L && stream.Length == 0L);
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stream.Seek((long)Unsafe.SizeOf<Hash128>(), SeekOrigin.Begin);
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stream.Seek(Unsafe.SizeOf<Hash128>(), SeekOrigin.Begin);
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lock (_lock)
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{
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@ -288,7 +312,7 @@ namespace ARMeilleure.Translation.PTC
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Debug.Assert(stream.Position == stream.Length);
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stream.Seek((long)Unsafe.SizeOf<Hash128>(), SeekOrigin.Begin);
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stream.Seek(Unsafe.SizeOf<Hash128>(), SeekOrigin.Begin);
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Hash128 hash = XXHash128.ComputeHash(GetReadOnlySpan(stream));
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stream.Seek(0L, SeekOrigin.Begin);
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@ -332,7 +356,7 @@ namespace ARMeilleure.Translation.PTC
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private static void Serialize(Stream stream, Dictionary<ulong, FuncProfile> profiledFuncs)
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{
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SerializeDictionary(stream, profiledFuncs, (stream, structure) => SerializeStructure(stream, structure));
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SerializeDictionary(stream, profiledFuncs, SerializeStructure);
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}
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[StructLayout(LayoutKind.Sequential, Pack = 1/*, Size = 29*/)]
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@ -89,9 +89,6 @@ namespace Ryujinx.HLE.Loaders.Processes.Extensions
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Logger.Warning?.Print(LogClass.Ptc, "Detected unsupported ExeFs modifications. PTC disabled.");
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}
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// We allow it for nx-hbloader because it can be used to launch homebrew.
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bool allowCodeMemoryForJit = programId == 0x010000000000100DUL || isHomebrew;
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string programName = "";
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if (!isHomebrew && programId > 0x010000000000FFFF)
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@ -119,7 +116,7 @@ namespace Ryujinx.HLE.Loaders.Processes.Extensions
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metaLoader,
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nacpData,
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enablePtc,
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allowCodeMemoryForJit,
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true,
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programName,
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metaLoader.GetProgramId(),
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null,
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@ -28,6 +28,11 @@ namespace Ryujinx.HLE.Loaders.Processes
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{
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static class ProcessLoaderHelper
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{
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// NOTE: If you want to change this value make sure to increment the InternalVersion of Ptc and PtcProfiler.
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// You also need to add a new migration path and adjust the existing ones.
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// TODO: Remove this workaround when ASLR is implemented.
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private const ulong CodeStartOffset = 0x500000UL;
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public static LibHac.Result RegisterProgramMapInfo(Switch device, PartitionFileSystem partitionFileSystem)
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{
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ulong applicationId = 0;
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@ -242,7 +247,7 @@ namespace Ryujinx.HLE.Loaders.Processes
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ulong argsStart = 0;
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uint argsSize = 0;
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ulong codeStart = (meta.Flags & 1) != 0 ? 0x8000000UL : 0x200000UL;
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ulong codeStart = ((meta.Flags & 1) != 0 ? 0x8000000UL : 0x200000UL) + CodeStartOffset;
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uint codeSize = 0;
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var buildIds = executables.Select(e => (e switch
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