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gdb: Show thread names

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Reference: d8a37b4b71/libraries/libstratosphere/source/osdbg/impl/osdbg_thread_type.os.horizon.hpp
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Coxxs 2025-06-21 10:22:08 +08:00
parent 9552cafaaa
commit 92d8f0eb1c
2 changed files with 151 additions and 6 deletions
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95
src/Ryujinx.HLE/HOS/Kernel/Threading/KThread.cs
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@ -5,9 +5,11 @@ using Ryujinx.HLE.HOS.Kernel.Common;
using Ryujinx.HLE.HOS.Kernel.Process;
using Ryujinx.HLE.HOS.Kernel.SupervisorCall;
using Ryujinx.Horizon.Common;
using Ryujinx.Memory;
using System;
using System.Collections.Generic;
using System.Numerics;
using System.Text;
using System.Threading;
namespace Ryujinx.HLE.HOS.Kernel.Threading
@ -17,6 +19,23 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
private const int TlsUserDisableCountOffset = 0x100;
private const int TlsUserInterruptFlagOffset = 0x102;
// Tls -> ThreadType
private const int TlsThreadTypeOffsetAArch64 = 0x1F8;
private const int TlsThreadTypeOffsetAArch32 = 0x1FC;
// Tls -> ThreadType -> Version
private const int TlsThreadTypeVersionOffsetAArch64 = 0x46;
private const int TlsThreadTypeVersionOffsetAArch32 = 0x26;
// Tls -> ThreadType (Version 0) -> ThreadNamePointer
private const int TlsThreadTypeVersion0ThreadNamePointerOffsetAArch64 = 0x1A8;
private const int TlsThreadTypeVersion0ThreadNamePointerOffsetAArch32 = 0xE8;
// Tls -> ThreadType (Version 1) -> ThreadNamePointer
private const int TlsThreadTypeThreadNamePointerOffsetAArch64 = 0x1A0;
private const int TlsThreadTypeThreadNamePointerOffsetAArch32 = 0xE4;
public const int MaxWaitSyncObjects = 64;
private ManualResetEvent _schedulerWaitEvent;
@ -1439,5 +1458,81 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
{
Owner.CpuMemory.Write<ushort>(_tlsAddress + TlsUserInterruptFlagOffset, 0);
}
public string GetThreadName()
{
try
{
ulong threadNamePtr = 0;
if (Context.IsAarch32)
{
uint threadTypePtr32 = Owner.CpuMemory.Read<uint>(_tlsAddress + TlsThreadTypeOffsetAArch32);
if (threadTypePtr32 == 0)
{
return "";
}
ushort version = Owner.CpuMemory.Read<ushort>(threadTypePtr32 + TlsThreadTypeVersionOffsetAArch32);
switch (version)
{
case 0x0000:
case 0xFFFF:
threadNamePtr = Owner.CpuMemory.Read<uint>(threadTypePtr32 + TlsThreadTypeVersion0ThreadNamePointerOffsetAArch32);
break;
case 0x0001:
threadNamePtr = Owner.CpuMemory.Read<uint>(threadTypePtr32 + TlsThreadTypeThreadNamePointerOffsetAArch32);
break;
default:
Logger.Warning?.Print(LogClass.Kernel, $"Unknown ThreadType struct version: {version}");
break;
}
}
else
{
ulong threadTypePtr64 = Owner.CpuMemory.Read<ulong>(_tlsAddress + TlsThreadTypeOffsetAArch64);
if (threadTypePtr64 == 0)
{
return "";
}
ushort version = Owner.CpuMemory.Read<ushort>(threadTypePtr64 + TlsThreadTypeVersionOffsetAArch64);
switch (version)
{
case 0x0000:
case 0xFFFF:
threadNamePtr = Owner.CpuMemory.Read<ulong>(threadTypePtr64 + TlsThreadTypeVersion0ThreadNamePointerOffsetAArch64);
break;
case 0x0001:
threadNamePtr = Owner.CpuMemory.Read<ulong>(threadTypePtr64 + TlsThreadTypeThreadNamePointerOffsetAArch64);
break;
default:
Logger.Warning?.Print(LogClass.Kernel, $"Unknown ThreadType struct version: {version}");
break;
}
}
if (threadNamePtr == 0)
{
return "";
}
List<byte> nameBytes = new();
for (int i = 0; i < 0x20; i++)
{
byte b = Owner.CpuMemory.Read<byte>(threadNamePtr + (ulong)i);
if (b == 0)
{
break;
}
nameBytes.Add(b);
}
return Encoding.UTF8.GetString(nameBytes.ToArray());
} catch (InvalidMemoryRegionException)
{
Logger.Warning?.Print(LogClass.Kernel, "Failed to get thread name.");
return "";
}
}
}
}