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Code Issues Releases Wiki Activity

Allow access to code memory for exefs mods (#5518)

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* Allow access to code memory for exefs mods

* Add ASLR workaround for Skyline

* Hardcode allowCodeMemoryForJit to true
This commit is contained in:
TSRBerry
2023-08-09 23:27:45 +02:00
committed by GitHub
parent 773e239db7
commit 5e9678c8fa
5 changed files with 63 additions and 17 deletions
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2
src/ARMeilleure/Translation/PTC/Ptc.cs
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@@ -29,7 +29,7 @@ namespace ARMeilleure.Translation.PTC
private const string OuterHeaderMagicString = "PTCohd\0\0";
private const string InnerHeaderMagicString = "PTCihd\0\0";
private const uint InternalVersion = 5502; //! To be incremented manually for each change to the ARMeilleure project.
private const uint InternalVersion = 5518; //! To be incremented manually for each change to the ARMeilleure project.
private const string ActualDir = "0";
private const string BackupDir = "1";

20
src/ARMeilleure/Translation/PTC/PtcFormatter.cs
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@@ -27,6 +27,26 @@ namespace ARMeilleure.Translation.PTC
return dictionary;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static Dictionary<TKey, TValue> DeserializeAndUpdateDictionary<TKey, TValue>(Stream stream, Func<Stream, TValue> valueFunc, Func<TKey, TValue, (TKey, TValue)> updateFunc) where TKey : struct
{
Dictionary<TKey, TValue> dictionary = new();
int count = DeserializeStructure<int>(stream);
for (int i = 0; i < count; i++)
{
TKey key = DeserializeStructure<TKey>(stream);
TValue value = valueFunc(stream);
(key, value) = updateFunc(key, value);
dictionary.Add(key, value);
}
return dictionary;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static List<T> DeserializeList<T>(Stream stream) where T : struct
{

46
src/ARMeilleure/Translation/PTC/PtcProfiler.cs
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@@ -9,10 +9,13 @@ using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.IO.Compression;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Threading;
using System.Timers;
using static ARMeilleure.Translation.PTC.PtcFormatter;
using Timer = System.Timers.Timer;
namespace ARMeilleure.Translation.PTC
{
@@ -20,7 +23,11 @@ namespace ARMeilleure.Translation.PTC
{
private const string OuterHeaderMagicString = "Pohd\0\0\0\0";
private const uint InternalVersion = 1866; //! Not to be incremented manually for each change to the ARMeilleure project.
private const uint InternalVersion = 5518; //! Not to be incremented manually for each change to the ARMeilleure project.
private static readonly uint[] _migrateInternalVersions = {
1866,
};
private const int SaveInterval = 30; // Seconds.
@@ -28,7 +35,7 @@ namespace ARMeilleure.Translation.PTC
private readonly Ptc _ptc;
private readonly System.Timers.Timer _timer;
private readonly Timer _timer;
private readonly ulong _outerHeaderMagic;
@@ -51,7 +58,7 @@ namespace ARMeilleure.Translation.PTC
{
_ptc = ptc;
_timer = new System.Timers.Timer((double)SaveInterval * 1000d);
_timer = new Timer(SaveInterval * 1000d);
_timer.Elapsed += PreSave;
_outerHeaderMagic = BinaryPrimitives.ReadUInt64LittleEndian(EncodingCache.UTF8NoBOM.GetBytes(OuterHeaderMagicString).AsSpan());
@@ -168,7 +175,7 @@ namespace ARMeilleure.Translation.PTC
return false;
}
if (outerHeader.InfoFileVersion != InternalVersion)
if (outerHeader.InfoFileVersion != InternalVersion && !_migrateInternalVersions.Contains(outerHeader.InfoFileVersion))
{
InvalidateCompressedStream(compressedStream);
@@ -211,7 +218,19 @@ namespace ARMeilleure.Translation.PTC
return false;
}
ProfiledFuncs = Deserialize(stream);
switch (outerHeader.InfoFileVersion)
{
case InternalVersion:
ProfiledFuncs = Deserialize(stream);
break;
case 1866:
ProfiledFuncs = Deserialize(stream, (address, profile) => (address + 0x500000UL, profile));
break;
default:
Logger.Error?.Print(LogClass.Ptc, $"No migration path for {nameof(outerHeader.InfoFileVersion)} '{outerHeader.InfoFileVersion}'. Discarding cache.");
InvalidateCompressedStream(compressedStream);
return false;
}
Debug.Assert(stream.Position == stream.Length);
@@ -225,9 +244,14 @@ namespace ARMeilleure.Translation.PTC
return true;
}
private static Dictionary<ulong, FuncProfile> Deserialize(Stream stream)
private static Dictionary<ulong, FuncProfile> Deserialize(Stream stream, Func<ulong, FuncProfile, (ulong, FuncProfile)> migrateEntryFunc = null)
{
return DeserializeDictionary<ulong, FuncProfile>(stream, (stream) => DeserializeStructure<FuncProfile>(stream));
if (migrateEntryFunc != null)
{
return DeserializeAndUpdateDictionary(stream, DeserializeStructure<FuncProfile>, migrateEntryFunc);
}
return DeserializeDictionary<ulong, FuncProfile>(stream, DeserializeStructure<FuncProfile>);
}
private static ReadOnlySpan<byte> GetReadOnlySpan(MemoryStream memoryStream)
@@ -240,7 +264,7 @@ namespace ARMeilleure.Translation.PTC
compressedStream.SetLength(0L);
}
private void PreSave(object source, System.Timers.ElapsedEventArgs e)
private void PreSave(object source, ElapsedEventArgs e)
{
_waitEvent.Reset();
@@ -277,7 +301,7 @@ namespace ARMeilleure.Translation.PTC
{
Debug.Assert(stream.Seek(0L, SeekOrigin.Begin) == 0L && stream.Length == 0L);
stream.Seek((long)Unsafe.SizeOf<Hash128>(), SeekOrigin.Begin);
stream.Seek(Unsafe.SizeOf<Hash128>(), SeekOrigin.Begin);
lock (_lock)
{
@@ -288,7 +312,7 @@ namespace ARMeilleure.Translation.PTC
Debug.Assert(stream.Position == stream.Length);
stream.Seek((long)Unsafe.SizeOf<Hash128>(), SeekOrigin.Begin);
stream.Seek(Unsafe.SizeOf<Hash128>(), SeekOrigin.Begin);
Hash128 hash = XXHash128.ComputeHash(GetReadOnlySpan(stream));
stream.Seek(0L, SeekOrigin.Begin);
@@ -332,7 +356,7 @@ namespace ARMeilleure.Translation.PTC
private static void Serialize(Stream stream, Dictionary<ulong, FuncProfile> profiledFuncs)
{
SerializeDictionary(stream, profiledFuncs, (stream, structure) => SerializeStructure(stream, structure));
SerializeDictionary(stream, profiledFuncs, SerializeStructure);
}
[StructLayout(LayoutKind.Sequential, Pack = 1/*, Size = 29*/)]

5
src/Ryujinx.HLE/Loaders/Processes/Extensions/FileSystemExtensions.cs
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@@ -89,9 +89,6 @@ namespace Ryujinx.HLE.Loaders.Processes.Extensions
Logger.Warning?.Print(LogClass.Ptc, "Detected unsupported ExeFs modifications. PTC disabled.");
}
// We allow it for nx-hbloader because it can be used to launch homebrew.
bool allowCodeMemoryForJit = programId == 0x010000000000100DUL || isHomebrew;
string programName = "";
if (!isHomebrew && programId > 0x010000000000FFFF)
@@ -119,7 +116,7 @@ namespace Ryujinx.HLE.Loaders.Processes.Extensions
metaLoader,
nacpData,
enablePtc,
allowCodeMemoryForJit,
true,
programName,
metaLoader.GetProgramId(),
null,

7
src/Ryujinx.HLE/Loaders/Processes/ProcessLoaderHelper.cs
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@@ -28,6 +28,11 @@ namespace Ryujinx.HLE.Loaders.Processes
{
static class ProcessLoaderHelper
{
// NOTE: If you want to change this value make sure to increment the InternalVersion of Ptc and PtcProfiler.
// You also need to add a new migration path and adjust the existing ones.
// TODO: Remove this workaround when ASLR is implemented.
private const ulong CodeStartOffset = 0x500000UL;
public static LibHac.Result RegisterProgramMapInfo(Switch device, PartitionFileSystem partitionFileSystem)
{
ulong applicationId = 0;
@@ -242,7 +247,7 @@ namespace Ryujinx.HLE.Loaders.Processes
ulong argsStart = 0;
uint argsSize = 0;
ulong codeStart = (meta.Flags & 1) != 0 ? 0x8000000UL : 0x200000UL;
ulong codeStart = ((meta.Flags & 1) != 0 ? 0x8000000UL : 0x200000UL) + CodeStartOffset;
uint codeSize = 0;
var buildIds = executables.Select(e => (e switch