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Reduce usage of Marshal.PtrToStructure and Marshal.StructureToPtr (#3805)

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* common: Make BinaryReaderExtensions Read & Write take unamanged types

This allows us to not rely on Marshal.PtrToStructure and Marshal.StructureToPtr for those.

* common: Make MemoryHelper Read & Write takes unamanged types

* Update Marshal.SizeOf => Unsafe.SizeOf when appropriate and start moving software applet to unmanaged types
This commit is contained in:
Mary-nyan 2022-11-24 15:26:29 +01:00 committed by GitHub
parent a1ddaa2736
commit f4e879a1e6
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GPG Key ID: 4AEE18F83AFDEB23
16 changed files with 88 additions and 137 deletions
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43
Ryujinx.Common/Extensions/BinaryReaderExtensions.cs
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@ -1,5 +1,6 @@
using System;
using System.IO;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
namespace Ryujinx.Common
@ -7,49 +8,15 @@ namespace Ryujinx.Common
public static class BinaryReaderExtensions
{
public unsafe static T ReadStruct<T>(this BinaryReader reader)
where T : struct
where T : unmanaged
{
int size = Marshal.SizeOf<T>();
byte[] data = reader.ReadBytes(size);
fixed (byte* ptr = data)
{
return Marshal.PtrToStructure<T>((IntPtr)ptr);
}
}
public unsafe static T[] ReadStructArray<T>(this BinaryReader reader, int count)
where T : struct
{
int size = Marshal.SizeOf<T>();
T[] result = new T[count];
for (int i = 0; i < count; i++)
{
byte[] data = reader.ReadBytes(size);
fixed (byte* ptr = data)
{
result[i] = Marshal.PtrToStructure<T>((IntPtr)ptr);
}
}
return result;
return MemoryMarshal.Cast<byte, T>(reader.ReadBytes(Unsafe.SizeOf<T>()))[0];
}
public unsafe static void WriteStruct<T>(this BinaryWriter writer, T value)
where T : struct
where T : unmanaged
{
long size = Marshal.SizeOf<T>();
byte[] data = new byte[size];
fixed (byte* ptr = data)
{
Marshal.StructureToPtr<T>(value, (IntPtr)ptr, false);
}
ReadOnlySpan<byte> data = MemoryMarshal.Cast<T, byte>(MemoryMarshal.CreateReadOnlySpan(ref value, 1));
writer.Write(data);
}

27
Ryujinx.Cpu/MemoryHelper.cs
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@ -1,6 +1,7 @@
using Ryujinx.Memory;
using System;
using System.IO;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Text;
@ -23,34 +24,18 @@ namespace Ryujinx.Cpu
}
}
public unsafe static T Read<T>(IVirtualMemoryManager memory, ulong position) where T : struct
public unsafe static T Read<T>(IVirtualMemoryManager memory, ulong position) where T : unmanaged
{
long size = Marshal.SizeOf<T>();
byte[] data = new byte[size];
memory.Read(position, data);
fixed (byte* ptr = data)
{
return Marshal.PtrToStructure<T>((IntPtr)ptr);
}
return MemoryMarshal.Cast<byte, T>(memory.GetSpan(position, Unsafe.SizeOf<T>()))[0];
}
public unsafe static ulong Write<T>(IVirtualMemoryManager memory, ulong position, T value) where T : struct
public unsafe static ulong Write<T>(IVirtualMemoryManager memory, ulong position, T value) where T : unmanaged
{
long size = Marshal.SizeOf<T>();
byte[] data = new byte[size];
fixed (byte* ptr = data)
{
Marshal.StructureToPtr<T>(value, (IntPtr)ptr, false);
}
ReadOnlySpan<byte> data = MemoryMarshal.Cast<T, byte>(MemoryMarshal.CreateReadOnlySpan(ref value, 1));
memory.Write(position, data);
return (ulong)size;
return (ulong)data.Length;
}
public static string ReadAsciiString(IVirtualMemoryManager memory, ulong position, long maxSize = -1)

23
Ryujinx.HLE/HOS/Applets/SoftwareKeyboard/SoftwareKeyboardApplet.cs
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@ -1,4 +1,5 @@
using Ryujinx.Common.Configuration.Hid;
using Ryujinx.Common;
using Ryujinx.Common.Configuration.Hid;
using Ryujinx.Common.Logging;
using Ryujinx.HLE.HOS.Applets.SoftwareKeyboard;
using Ryujinx.HLE.HOS.Services.Am.AppletAE;
@ -9,6 +10,7 @@ using Ryujinx.Memory;
using System;
using System.Diagnostics;
using System.IO;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Text;
@ -78,13 +80,13 @@ namespace Ryujinx.HLE.HOS.Applets
var launchParams = _normalSession.Pop();
var keyboardConfig = _normalSession.Pop();
_isBackground = keyboardConfig.Length == Marshal.SizeOf<SoftwareKeyboardInitialize>();
_isBackground = keyboardConfig.Length == Unsafe.SizeOf<SoftwareKeyboardInitialize>();
if (_isBackground)
{
// Initialize the keyboard applet in background mode.
_keyboardBackgroundInitialize = ReadStruct<SoftwareKeyboardInitialize>(keyboardConfig);
_keyboardBackgroundInitialize = MemoryMarshal.Read<SoftwareKeyboardInitialize>(keyboardConfig);
_backgroundState = InlineKeyboardState.Uninitialized;
if (_device.UiHandler == null)
@ -342,7 +344,7 @@ namespace Ryujinx.HLE.HOS.Applets
else
{
int wordsCount = reader.ReadInt32();
int wordSize = Marshal.SizeOf<SoftwareKeyboardUserWord>();
int wordSize = Unsafe.SizeOf<SoftwareKeyboardUserWord>();
remaining = stream.Length - stream.Position;
if (wordsCount > MaxUserWords)
@ -359,8 +361,7 @@ namespace Ryujinx.HLE.HOS.Applets
for (int word = 0; word < wordsCount; word++)
{
byte[] wordData = reader.ReadBytes(wordSize);
_keyboardBackgroundUserWords[word] = ReadStruct<SoftwareKeyboardUserWord>(wordData);
_keyboardBackgroundUserWords[word] = reader.ReadStruct<SoftwareKeyboardUserWord>();
}
}
}
@ -369,27 +370,25 @@ namespace Ryujinx.HLE.HOS.Applets
case InlineKeyboardRequest.SetCustomizeDic:
// Read the custom dic data.
remaining = stream.Length - stream.Position;
if (remaining != Marshal.SizeOf<SoftwareKeyboardCustomizeDic>())
if (remaining != Unsafe.SizeOf<SoftwareKeyboardCustomizeDic>())
{
Logger.Warning?.Print(LogClass.ServiceAm, $"Received invalid Software Keyboard Customize Dic of {remaining} bytes");
}
else
{
var keyboardDicData = reader.ReadBytes((int)remaining);
_keyboardBackgroundDic = ReadStruct<SoftwareKeyboardCustomizeDic>(keyboardDicData);
_keyboardBackgroundDic = reader.ReadStruct<SoftwareKeyboardCustomizeDic>();
}
break;
case InlineKeyboardRequest.SetCustomizedDictionaries:
// Read the custom dictionaries data.
remaining = stream.Length - stream.Position;
if (remaining != Marshal.SizeOf<SoftwareKeyboardDictSet>())
if (remaining != Unsafe.SizeOf<SoftwareKeyboardDictSet>())
{
Logger.Warning?.Print(LogClass.ServiceAm, $"Received invalid Software Keyboard DictSet of {remaining} bytes");
}
else
{
var keyboardDictData = reader.ReadBytes((int)remaining);
_keyboardBackgroundDictSet = ReadStruct<SoftwareKeyboardDictSet>(keyboardDictData);
_keyboardBackgroundDictSet = reader.ReadStruct<SoftwareKeyboardDictSet>();
}
break;
case InlineKeyboardRequest.Calc:

5
Ryujinx.HLE/HOS/Applets/SoftwareKeyboard/SoftwareKeyboardCustomizeDic.cs
View File

@ -5,10 +5,9 @@ namespace Ryujinx.HLE.HOS.Applets.SoftwareKeyboard
/// <summary>
/// A structure used by SetCustomizeDic request to software keyboard.
/// </summary>
[StructLayout(LayoutKind.Sequential, Pack = 4)]
[StructLayout(LayoutKind.Sequential, Size = 0x70)]
struct SoftwareKeyboardCustomizeDic
{
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 112)]
public byte[] Unknown;
// Unknown
}
}

6
Ryujinx.HLE/HOS/Applets/SoftwareKeyboard/SoftwareKeyboardDictSet.cs
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@ -1,4 +1,5 @@
using System.Runtime.InteropServices;
using Ryujinx.Common.Memory;
using System.Runtime.InteropServices;
namespace Ryujinx.HLE.HOS.Applets.SoftwareKeyboard
{
@ -21,8 +22,7 @@ namespace Ryujinx.HLE.HOS.Applets.SoftwareKeyboard
/// <summary>
/// Array of word entries in the buffer.
/// </summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 24)]
public ulong[] Entries;
public Array24<ulong> Entries;
/// <summary>
/// Number of used entries in the Entries field.

5
Ryujinx.HLE/HOS/Applets/SoftwareKeyboard/SoftwareKeyboardUserWord.cs
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@ -5,10 +5,9 @@ namespace Ryujinx.HLE.HOS.Applets.SoftwareKeyboard
/// <summary>
/// A structure used by SetUserWordInfo request to the software keyboard.
/// </summary>
[StructLayout(LayoutKind.Sequential, Pack = 4)]
[StructLayout(LayoutKind.Sequential, Size = 0x64)]
struct SoftwareKeyboardUserWord
{
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 100)]
public byte[] Unknown;
// Unknown
}
}

22
Ryujinx.HLE/HOS/Services/Friend/ServiceCreator/FriendService/Types/UserPresence.cs
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@ -1,9 +1,12 @@
using Ryujinx.HLE.HOS.Services.Account.Acc;
using Ryujinx.Common.Memory;
using Ryujinx.HLE.HOS.Services.Account.Acc;
using System;
using System.Runtime.InteropServices;
using System.Text;
namespace Ryujinx.HLE.HOS.Services.Friend.ServiceCreator.FriendService
{
[StructLayout(LayoutKind.Sequential, Pack = 0x8, CharSet = CharSet.Ansi)]
[StructLayout(LayoutKind.Sequential, Pack = 0x8)]
struct UserPresence
{
public UserId UserId;
@ -13,15 +16,20 @@ namespace Ryujinx.HLE.HOS.Services.Friend.ServiceCreator.FriendService
[MarshalAs(UnmanagedType.I1)]
public bool SamePresenceGroupApplication;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 0x3)]
public char[] Unknown;
public Array3<byte> Unknown;
private AppKeyValueStorageHolder _appKeyValueStorage;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 0xC0)]
public char[] AppKeyValueStorage;
public Span<byte> AppKeyValueStorage => MemoryMarshal.Cast<AppKeyValueStorageHolder, byte>(MemoryMarshal.CreateSpan(ref _appKeyValueStorage, AppKeyValueStorageHolder.Size));
[StructLayout(LayoutKind.Sequential, Pack = 0x1, Size = Size)]
private struct AppKeyValueStorageHolder
{
public const int Size = 0xC0;
}
public override string ToString()
{
return $"UserPresence {{ UserId: {UserId}, LastTimeOnlineTimestamp: {LastTimeOnlineTimestamp}, Status: {Status}, AppKeyValueStorage: {AppKeyValueStorage} }}";
return $"UserPresence {{ UserId: {UserId}, LastTimeOnlineTimestamp: {LastTimeOnlineTimestamp}, Status: {Status}, AppKeyValueStorage: {Encoding.ASCII.GetString(AppKeyValueStorage)} }}";
}
}
}

13
Ryujinx.HLE/HOS/Services/Friend/ServiceCreator/IFriendService.cs
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@ -236,23 +236,14 @@ namespace Ryujinx.HLE.HOS.Services.Friend.ServiceCreator
ulong position = context.Request.PtrBuff[0].Position;
ulong size = context.Request.PtrBuff[0].Size;
byte[] bufferContent = new byte[size];
context.Memory.Read(position, bufferContent);
ReadOnlySpan<UserPresence> userPresenceInputArray = MemoryMarshal.Cast<byte, UserPresence>(context.Memory.GetSpan(position, (int)size));
if (uuid.IsNull)
{
return ResultCode.InvalidArgument;
}
int elementCount = bufferContent.Length / Marshal.SizeOf<UserPresence>();
using (BinaryReader bufferReader = new BinaryReader(new MemoryStream(bufferContent)))
{
UserPresence[] userPresenceInputArray = bufferReader.ReadStructArray<UserPresence>(elementCount);
Logger.Stub?.PrintStub(LogClass.ServiceFriend, new { UserId = uuid.ToString(), userPresenceInputArray });
}
Logger.Stub?.PrintStub(LogClass.ServiceFriend, new { UserId = uuid.ToString(), userPresenceInputArray = userPresenceInputArray.ToArray() });
return ResultCode.Success;
}

10
Ryujinx.HLE/HOS/Services/Friend/ServiceCreator/NotificationService/Types/NotificationInfo.cs
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@ -1,15 +1,13 @@
using System.Runtime.InteropServices;
using Ryujinx.Common.Memory;
using System.Runtime.InteropServices;
namespace Ryujinx.HLE.HOS.Services.Friend.ServiceCreator.NotificationService
{
[StructLayout(LayoutKind.Sequential, Pack = 0x8, Size = 0x10)]
[StructLayout(LayoutKind.Sequential, Size = 0x10)]
struct NotificationInfo
{
public NotificationEventType Type;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 0x4)]
public char[] Padding;
private Array4<byte> _padding;
public long NetworkUserIdPlaceholder;
}
}

3
Ryujinx.HLE/HOS/Services/Sdb/Pdm/QueryService/QueryPlayStatisticsManager.cs
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@ -5,6 +5,7 @@ using Ryujinx.HLE.HOS.Services.Sdb.Pdm.QueryService.Types;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
namespace Ryujinx.HLE.HOS.Services.Sdb.Pdm.QueryService
@ -75,7 +76,7 @@ namespace Ryujinx.HLE.HOS.Services.Sdb.Pdm.QueryService
for (int i = 0; i < filteredApplicationPlayStatistics.Count(); i++)
{
MemoryHelper.Write(context.Memory, outputPosition + (ulong)(i * Marshal.SizeOf<ApplicationPlayStatistics>()), filteredApplicationPlayStatistics.ElementAt(i).Value);
MemoryHelper.Write(context.Memory, outputPosition + (ulong)(i * Unsafe.SizeOf<ApplicationPlayStatistics>()), filteredApplicationPlayStatistics.ElementAt(i).Value);
}
context.ResponseData.Write(filteredApplicationPlayStatistics.Count());

13
Ryujinx.HLE/HOS/Services/Time/Clock/Types/ClockSnapshot.cs
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@ -1,4 +1,5 @@
using Ryujinx.HLE.HOS.Services.Time.TimeZone;
using System;
using System.Runtime.InteropServices;
namespace Ryujinx.HLE.HOS.Services.Time.Clock
@ -16,14 +17,22 @@ namespace Ryujinx.HLE.HOS.Services.Time.Clock
public CalendarAdditionalInfo NetworkCalendarAdditionalTime;
public SteadyClockTimePoint SteadyClockTimePoint;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 0x24)]
public char[] LocationName;
private LocationNameStorageHolder _locationName;
public Span<byte> LocationName => MemoryMarshal.Cast<LocationNameStorageHolder, byte>(MemoryMarshal.CreateSpan(ref _locationName, LocationNameStorageHolder.Size));
[MarshalAs(UnmanagedType.I1)]
public bool IsAutomaticCorrectionEnabled;
public byte Type;
public ushort Unknown;
[StructLayout(LayoutKind.Sequential, Pack = 1, Size = Size)]
private struct LocationNameStorageHolder
{
public const int Size = 0x24;
}
public static ResultCode GetCurrentTime(out long currentTime, SteadyClockTimePoint steadyClockTimePoint, SystemClockContext context)
{
currentTime = 0;

13
Ryujinx.HLE/HOS/Services/Time/IStaticServiceForPsc.cs
View File

@ -8,7 +8,9 @@ using Ryujinx.HLE.HOS.Services.Time.TimeZone;
using System;
using System.Diagnostics;
using System.IO;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Text;
namespace Ryujinx.HLE.HOS.Services.Time
{
@ -281,7 +283,7 @@ namespace Ryujinx.HLE.HOS.Services.Time
{
byte type = context.RequestData.ReadByte();
context.Response.PtrBuff[0] = context.Response.PtrBuff[0].WithSize((uint)Marshal.SizeOf<ClockSnapshot>());
context.Response.PtrBuff[0] = context.Response.PtrBuff[0].WithSize((uint)Unsafe.SizeOf<ClockSnapshot>());
context.RequestData.BaseStream.Position += 7;
@ -372,12 +374,9 @@ namespace Ryujinx.HLE.HOS.Services.Time
return result;
}
char[] tzName = deviceLocationName.ToCharArray();
char[] locationName = new char[0x24];
ReadOnlySpan<byte> tzName = Encoding.ASCII.GetBytes(deviceLocationName);
Array.Copy(tzName, locationName, tzName.Length);
clockSnapshot.LocationName = locationName;
tzName.CopyTo(clockSnapshot.LocationName);
result = ClockSnapshot.GetCurrentTime(out clockSnapshot.UserTime, currentTimePoint, clockSnapshot.UserContext);
@ -414,7 +413,7 @@ namespace Ryujinx.HLE.HOS.Services.Time
private ClockSnapshot ReadClockSnapshotFromBuffer(ServiceCtx context, IpcPtrBuffDesc ipcDesc)
{
Debug.Assert(ipcDesc.Size == (ulong)Marshal.SizeOf<ClockSnapshot>());
Debug.Assert(ipcDesc.Size == (ulong)Unsafe.SizeOf<ClockSnapshot>());
byte[] temp = new byte[ipcDesc.Size];

5
Ryujinx.HLE/HOS/Services/Time/TimeZone/TimeZone.cs
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@ -5,6 +5,7 @@ using Ryujinx.HLE.Utilities;
using System;
using System.Buffers.Binary;
using System.IO;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Text;
@ -890,14 +891,14 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone
long streamLength = reader.BaseStream.Length;
if (streamLength < Marshal.SizeOf<TzifHeader>())
if (streamLength < Unsafe.SizeOf<TzifHeader>())
{
return false;
}
TzifHeader header = reader.ReadStruct<TzifHeader>();
streamLength -= Marshal.SizeOf<TzifHeader>();
streamLength -= Unsafe.SizeOf<TzifHeader>();
int ttisGMTCount = Detzcode32(header.TtisGMTCount);
int ttisSTDCount = Detzcode32(header.TtisSTDCount);

18
Ryujinx.Input/Motion/CemuHook/Protocol/ControllerData.cs
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@ -1,16 +1,15 @@
using System.Runtime.InteropServices;
using Ryujinx.Common.Memory;
using System.Runtime.InteropServices;
namespace Ryujinx.Input.Motion.CemuHook.Protocol
{
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct ControllerDataRequest
{
public MessageType Type;
public MessageType Type;
public SubscriberType SubscriberType;
public byte Slot;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 6)]
public byte[] MacAddress;
public byte Slot;
public Array6<byte> MacAddress;
}
[StructLayout(LayoutKind.Sequential, Pack = 1)]
@ -27,11 +26,8 @@ namespace Ryujinx.Input.Motion.CemuHook.Protocol
public uint DPadAnalog;
public ulong MainButtonsAnalog;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 6)]
public byte[] Touch1;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 6)]
public byte[] Touch2;
public Array6<byte> Touch1;
public Array6<byte> Touch2;
public ulong MotionTimestamp;
public float AccelerometerX;

13
Ryujinx.Input/Motion/CemuHook/Protocol/ControllerInfo.cs
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@ -1,21 +1,20 @@
using System.Runtime.InteropServices;
using Ryujinx.Common.Memory;
using System.Runtime.InteropServices;
namespace Ryujinx.Input.Motion.CemuHook.Protocol
{
[StructLayout(LayoutKind.Sequential, Pack = 1)]
public struct ControllerInfoResponse
{
public SharedResponse Shared;
private byte _zero;
public SharedResponse Shared;
private byte _zero;
}
[StructLayout(LayoutKind.Sequential, Pack = 1)]
public struct ControllerInfoRequest
{
public MessageType Type;
public int PortsCount;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 4)]
public byte[] PortIndices;
public int PortsCount;
public Array4<byte> PortIndices;
}
}

6
Ryujinx.Input/Motion/CemuHook/Protocol/SharedResponse.cs
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@ -1,4 +1,5 @@
using System.Runtime.InteropServices;
using Ryujinx.Common.Memory;
using System.Runtime.InteropServices;
namespace Ryujinx.Input.Motion.CemuHook.Protocol
{
@ -11,8 +12,7 @@ namespace Ryujinx.Input.Motion.CemuHook.Protocol
public DeviceModelType ModelType;
public ConnectionType ConnectionType;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 6)]
public byte[] MacAddress;
public Array6<byte> MacAddress;
public BatteryStatus BatteryStatus;
}