fix for actions (again)

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -0,0 +1,59 @@
+# Copyright (C) 2026 SharpEmu Emulator Project
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+name: Bug Report
+description: Report a bug in the emulator
+labels: ["bug"]
+
+body:
+  - type: markdown
+    attributes:
+      value: |
+        ### Before creating an issue
+
+        - Do not create issues involving **software piracy**. Our rules specifically prohibit this.  
+          Issues related to piracy will be closed and the author may be banned from the repository.
+
+        - The issue tracker is **not for asking questions**.  
+          Question-type issues will be closed.
+
+        - Only open an issue if you are reporting an actual **bug in the emulator**.
+
+  - type: input
+    id: emulator_version
+    attributes:
+      label: Emulator Version / Commit
+      description: The emulator version or git commit where the bug occurred
+      placeholder: e.g. v0.0.2 / a1b2c3d
+    validations:
+      required: true
+
+  - type: textarea
+    id: description
+    attributes:
+      label: Bug Description
+      description: Describe the problem and how to reproduce it
+      placeholder: |
+        Steps to reproduce:
+        1. Launch emulator
+        2. Load game
+        3. Crash occurs
+
+        Expected behavior:
+        ...
+
+        Actual behavior:
+        ...
+    validations:
+      required: true
+
+  - type: textarea
+    id: logs
+    attributes:
+      label: Log File
+      description: |
+        Drag & drop your log file here, or paste the log contents.
+
+        Supported: .log / .txt / .zip
+        Large logs should be uploaded as a file.
+      render: shell

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,4 @@
+# Copyright (C) 2026 SharpEmu Emulator Project
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+blank_issues_enabled: false

.github/ISSUE_TEMPLATE/game-compatibility.yml

@@ -0,0 +1,144 @@
+# Copyright (C) 2026 SharpEmu Emulator Project
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+name: Game Compatibility Report
+description: Report compatibility status of a game
+labels: ["game-compatibility"]
+
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Use this template to report the compatibility status of a game.
+
+        Please include the **game name in the issue title**.
+
+        Example title:
+        Demon’s Souls (PPSA01341)
+
+  - type: input
+    id: game_name
+    attributes:
+      label: Game Name
+      placeholder: e.g. Demon's Souls
+    validations:
+      required: true
+
+  - type: input
+    id: title_id
+    attributes:
+      label: Title ID
+      description: Game title ID (PPSA / CUSA / PCSA etc.)
+      placeholder: e.g. PPSA01341
+    validations:
+      required: true
+
+  - type: input
+    id: game_version
+    attributes:
+      label: Game Version
+      placeholder: e.g. 1.00 / 1.09
+    validations:
+      required: true
+
+  - type: dropdown
+    id: status
+    attributes:
+      label: Current Status
+      description: What happens when running the game?
+      options:
+        - Nothing happens
+        - Crashes on boot
+        - Boots to black screen
+        - Shows intro / menus
+        - Ingame but unstable
+        - Playable
+    validations:
+      required: true
+
+  - type: textarea
+    id: description
+    attributes:
+      label: Description
+      description: Describe what happens when running the game
+      placeholder: |
+        Example:
+        - Game boots
+        - Shows intro logos
+        - Crashes when entering gameplay
+    validations:
+      required: true
+
+  - type: upload
+    id: logs
+    attributes:
+      label: Log File
+      description: Drag and drop your log file here, or click to browse
+    validations:
+      required: false
+      accept: ".log,.txt,.zip"
+
+  - type: dropdown
+    id: operating_system
+    attributes:
+      label: Operating System
+      options:
+        - Windows 11
+        - Windows 10
+        - Linux
+        - macOS
+        - Other
+    validations:
+      required: true
+
+  - type: input
+    id: cpu
+    attributes:
+      label: CPU
+      placeholder: e.g. AMD Ryzen 7 5800X3D
+    validations:
+      required: true
+
+  - type: input
+    id: gpu
+    attributes:
+      label: GPU
+      placeholder: e.g. NVIDIA GeForce RTX 4070 Super
+    validations:
+      required: true
+
+  - type: input
+    id: ram
+    attributes:
+      label: RAM
+      placeholder: e.g. 32 GB
+    validations:
+      required: true
+
+  - type: input
+    id: emulator_version
+    attributes:
+      label: Emulator Version / Commit
+      placeholder: e.g. v0.0.1 / a1b2c3d
+    validations:
+      required: true
+
+  - type: dropdown
+    id: renderer
+    attributes:
+      label: Renderer
+      options:
+        - Vulkan
+        - OpenGL
+        - DirectX
+        - Software
+        - N/A
+        - Other
+    validations:
+      required: true
+
+  - type: textarea
+    id: additional
+    attributes:
+      label: Additional Notes
+      description: Screenshots, settings, patches, workarounds, or anything else relevant

.github/workflows/workflow.yml

@@ -1,3 +1,6 @@
+# Copyright (C) 2026 SharpEmu Emulator Project
+# SPDX-License-Identifier: GPL-2.0-or-later
+
 name: Build and Release
 
 on:
@@ -79,7 +82,7 @@ jobs:
       - name: Setup .NET SDK
         uses: actions/setup-dotnet@v5
         with:
-          dotnet-version: 10.0.x
+          dotnet-version: 10.0.103
           cache: true
           cache-dependency-path: |
             Directory.Packages.props
@@ -106,7 +109,7 @@ jobs:
           Compress-Archive -Path (Join-Path $env:PUBLISH_DIR '*') -DestinationPath $archivePath -CompressionLevel Optimal
 
       - name: Upload build artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: ${{ needs.init.outputs.artifact-name }}
           path: ${{ env.RELEASE_DIR }}\${{ needs.init.outputs.archive-name }}
@@ -123,7 +126,7 @@ jobs:
       contents: write
     steps:
       - name: Download build artifact
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v8
         with:
           name: ${{ needs.init.outputs.artifact-name }}
           path: release

REUSE.toml

@@ -3,6 +3,7 @@ version = 1
 [[annotations]]
 path = [
     "REUSE.toml",
+    "global.json",
     "**/packages.lock.json",
     "scripts/ps5_names.txt",
     "src/SharpEmu.HLE/Aerolib/aerolib.bin",

global.json

@@ -0,0 +1,6 @@
+{
+    "sdk": {
+        "version": "10.0.103",
+        "rollForward": "latestFeature"
+    }
+}

src/SharpEmu.CLI/SharpEmu.CLI.csproj

@@ -30,6 +30,10 @@ SPDX-License-Identifier: GPL-2.0-or-later
     <RestorePackagesWithLockFile>true</RestorePackagesWithLockFile>
   </PropertyGroup>
 
+  <ItemGroup>
+    <KnownILLinkPack Update="Microsoft.NET.ILLink.Tasks" ILLinkPackVersion="10.0.5" />
+  </ItemGroup>
+
   <ItemGroup>
     <Content Include="..\..\LICENSE.txt">
       <CopyToOutputDirectory>Always</CopyToOutputDirectory>

src/SharpEmu.CLI/packages.lock.json

@@ -4,9 +4,9 @@
     "net10.0": {
       "Microsoft.NET.ILLink.Tasks": {
         "type": "Direct",
-        "requested": "[10.0.3, )",
-        "resolved": "10.0.3",
-        "contentHash": "0B6nZyCHWXnvmlB559oduOspVdNOnpNXPjhpWVMovLPAsDVG7A4jJR9rzECf67JUzxP8/ee/wA8clwIzJcWNFA=="
+        "requested": "[10.0.5, )",
+        "resolved": "10.0.5",
+        "contentHash": "A+5ZuQ0f449tM+MQrhf6R9ZX7lYpjk/ODEwLYKrnF6111rtARx8fVsm4YznUnQiKnnXfaXNBqgxmil6RW3L3SA=="
       },
       "sharpemu.core": {
         "type": "Project",

src/SharpEmu.Core/Cpu/CpuDispatcher.cs

@@ -12,6 +12,12 @@ namespace SharpEmu.Core.Cpu;
 
 public sealed class CpuDispatcher : ICpuDispatcher, IDisposable
 {
+    private enum EntryFrameKind
+    {
+        ProcessEntry,
+        ModuleInitializer,
+    }
+
     private const ulong StackBaseAddress = 0x7FFF_F000_0000UL;
     private const ulong StackSize = 0x0020_0000UL;
     private const ulong TlsBaseAddress = 0x7FFE_0000_0000UL;
@@ -88,13 +94,44 @@ public sealed class CpuDispatcher : ICpuDispatcher, IDisposable
         }
     }
 
+    public OrbisGen2Result DispatchModuleInitializer(
+        ulong entryPoint,
+        Generation generation,
+        IReadOnlyDictionary<ulong, string>? importStubs = null,
+        IReadOnlyDictionary<string, ulong>? runtimeSymbols = null,
+        string moduleName = "module",
+        CpuExecutionOptions executionOptions = default)
+    {
+        Console.Error.WriteLine("[DISPATCHER] === DispatchModuleInitializer START ===");
+        Console.Error.WriteLine($"[DISPATCHER] moduleInit=0x{entryPoint:X16}, generation={generation}, module={moduleName}");
+
+        try
+        {
+            return DispatchEntryCore(
+                entryPoint,
+                generation,
+                importStubs,
+                runtimeSymbols,
+                moduleName,
+                executionOptions,
+                EntryFrameKind.ModuleInitializer);
+        }
+        catch (Exception ex)
+        {
+            Console.Error.WriteLine($"[DISPATCHER] FATAL EXCEPTION in DispatchModuleInitializer: {ex.GetType().Name}: {ex.Message}");
+            Console.Error.WriteLine($"[DISPATCHER] Stack trace: {ex.StackTrace}");
+            throw;
+        }
+    }
+
     private OrbisGen2Result DispatchEntryCore(
         ulong entryPoint,
         Generation generation,
         IReadOnlyDictionary<ulong, string>? importStubs = null,
         IReadOnlyDictionary<string, ulong>? runtimeSymbols = null,
         string processImageName = "eboot.bin",
-        CpuExecutionOptions executionOptions = default)
+        CpuExecutionOptions executionOptions = default,
+        EntryFrameKind frameKind = EntryFrameKind.ProcessEntry)
     {
         Console.Error.WriteLine("[DISPATCHER] DispatchEntryCore STARTING...");
 
@@ -164,23 +201,33 @@ public sealed class CpuDispatcher : ICpuDispatcher, IDisposable
         var effectiveImportStubs = importStubs is null
             ? new Dictionary<ulong, string>()
             : new Dictionary<ulong, string>(importStubs);
-        var programExitHandlerStubAddress = TryMapDynlibFallbackStubRegion();
-        if (programExitHandlerStubAddress == 0)
+        var entryParamsConfigured = false;
+        if (frameKind == EntryFrameKind.ProcessEntry)
         {
-            return FailEarly(OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
-        }
-
-        if (!InitializeProcessEntryFrame(context, processImageName, programExitHandlerStubAddress))
-        {
-            return FailEarly(OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
-        }
-
-        if (ShouldInjectBootstrapPayload(entryPoint))
-        {
-            if (!TryInstallBootstrapPayload(context, effectiveImportStubs))
+            var programExitHandlerStubAddress = TryMapDynlibFallbackStubRegion();
+            if (programExitHandlerStubAddress == 0)
             {
                 return FailEarly(OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
             }
+
+            if (!InitializeProcessEntryFrame(context, processImageName, programExitHandlerStubAddress))
+            {
+                return FailEarly(OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
+            }
+
+            entryParamsConfigured = true;
+
+            if (ShouldInjectBootstrapPayload(entryPoint))
+            {
+                if (!TryInstallBootstrapPayload(context, effectiveImportStubs))
+                {
+                    return FailEarly(OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
+                }
+            }
+        }
+        else if (!InitializeModuleInitializerFrame(context))
+        {
+            return FailEarly(OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
         }
 
         var entryFrameDiagnostic = BuildEntryFrameDiagnostic(
@@ -188,7 +235,7 @@ public sealed class CpuDispatcher : ICpuDispatcher, IDisposable
             context,
             sentinelEnabled: true,
             sentinelValue: returnToHostStubAddress,
-            entryParamsConfigured: true);
+            entryParamsConfigured: entryParamsConfigured);
 
         if (executionOptions.CpuEngine != CpuExecutionEngine.NativeOnly)
         {
@@ -360,6 +407,17 @@ public sealed class CpuDispatcher : ICpuDispatcher, IDisposable
         return true;
     }
 
+    private static bool InitializeModuleInitializerFrame(CpuContext context)
+    {
+        context[CpuRegister.Rdi] = 0;
+        context[CpuRegister.Rsi] = 0;
+        context[CpuRegister.Rdx] = 0;
+        context[CpuRegister.Rcx] = 0;
+        context[CpuRegister.R8] = 0;
+        context[CpuRegister.R9] = 0;
+        return true;
+    }
+
     private static ulong AlignDown(ulong value, ulong alignment)
     {
         return value & ~(alignment - 1);

src/SharpEmu.Core/Cpu/ICpuDispatcher.cs

@@ -34,4 +34,12 @@ public interface ICpuDispatcher
         IReadOnlyDictionary<string, ulong>? runtimeSymbols = null,
         string processImageName = "eboot.bin",
         CpuExecutionOptions executionOptions = default);
+
+    OrbisGen2Result DispatchModuleInitializer(
+        ulong entryPoint,
+        Generation generation,
+        IReadOnlyDictionary<ulong, string>? importStubs = null,
+        IReadOnlyDictionary<string, ulong>? runtimeSymbols = null,
+        string moduleName = "module",
+        CpuExecutionOptions executionOptions = default);
 }

src/SharpEmu.Core/Cpu/Native/DirectExecutionBackend.Exceptions.cs

@@ -4,6 +4,7 @@
 using System;
 using System.Buffers.Binary;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Reflection;
 using System.Runtime.InteropServices;
 using SharpEmu.Core.Cpu.Disasm;
@@ -254,6 +255,9 @@ public sealed partial class DirectExecutionBackend
 						Console.Error.WriteLine("[LOADER][ERROR]   Could not read code at RIP");
 					}
 					DumpRecentImportTrace();
+					DumpGuestDisasmDiagnostics(rip, rbp);
+					DumpGuestReferenceDiagnostics();
+					DumpGuestPointerWindowDiagnostics();
 					break;
 				case 2147483651u:
 					Console.Error.WriteLine("[LOADER][WARNING]   Type: Breakpoint (int3)");
@@ -322,6 +326,239 @@ public sealed partial class DirectExecutionBackend
 		}
 	}
 
+	private void DumpGuestDisasmDiagnostics(ulong rip, ulong rbp)
+	{
+		if (!string.Equals(Environment.GetEnvironmentVariable("SHARPEMU_LOG_DISASM"), "1", StringComparison.Ordinal))
+		{
+			return;
+		}
+
+		if (rip >= 0x20)
+		{
+			DumpGuestInstructionStream("fault-prelude", rip - 0x20, 24);
+		}
+
+		try
+		{
+			ulong frame = rbp;
+			for (int i = 0; i < 3; i++)
+			{
+				if (frame < 140733193388032L || frame > 140737488355327L)
+				{
+					break;
+				}
+
+				ulong ret = (ulong)Marshal.ReadInt64((nint)(frame + 8));
+				if (ret >= 0x40)
+				{
+					DumpGuestInstructionStream($"frame#{i}-ret-prelude", ret - 0x40, 24);
+				}
+
+				ulong next = (ulong)Marshal.ReadInt64((nint)frame);
+				if (next <= frame)
+				{
+					break;
+				}
+
+				frame = next;
+			}
+		}
+		catch
+		{
+			Console.Error.WriteLine("[LOADER][WARNING]   Could not dump disasm diagnostics.");
+		}
+
+		var extraAddresses = Environment.GetEnvironmentVariable("SHARPEMU_LOG_DISASM_ADDRS");
+		if (string.IsNullOrWhiteSpace(extraAddresses))
+		{
+			return;
+		}
+
+		foreach (var token in extraAddresses.Split(',', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries))
+		{
+			var normalized = token.StartsWith("0x", StringComparison.OrdinalIgnoreCase)
+				? token[2..]
+				: token;
+			if (!ulong.TryParse(normalized, NumberStyles.HexNumber, CultureInfo.InvariantCulture, out var address) || address < 0x20)
+			{
+				continue;
+			}
+
+			DumpGuestInstructionStream($"extra-0x{address:X16}", address, 48);
+		}
+	}
+
+	private unsafe void DumpGuestReferenceDiagnostics()
+	{
+		var targetList = ParseDiagnosticAddresses(Environment.GetEnvironmentVariable("SHARPEMU_LOG_REFSCAN_ADDRS"));
+		if (targetList.Count == 0 || _cpuContext == null)
+		{
+			return;
+		}
+
+		const ulong scanBase = 0x0000000800000000UL;
+		const ulong scanEnd = 0x0000000810000000UL;
+		const int maxHitsPerTarget = 24;
+
+		Console.Error.WriteLine(
+			$"[LOADER][INFO]   Ref scan targets: {string.Join(", ", targetList.ConvertAll(static addr => $"0x{addr:X16}"))}");
+
+		var hitCounts = new Dictionary<ulong, int>(targetList.Count);
+		for (var i = 0; i < targetList.Count; i++)
+		{
+			hitCounts[targetList[i]] = 0;
+		}
+
+		ulong address = scanBase;
+		while (address < scanEnd)
+		{
+			if (VirtualQuery((void*)address, out var mbi, (nuint)sizeof(MEMORY_BASIC_INFORMATION64)) == 0)
+			{
+				break;
+			}
+
+			ulong regionBase = mbi.BaseAddress;
+			ulong regionEnd = regionBase + mbi.RegionSize;
+			if (regionEnd <= address)
+			{
+				break;
+			}
+
+			if (mbi.State == MEM_COMMIT &&
+				IsReadableProtection(mbi.Protect) &&
+				IsExecutableProtection(mbi.Protect))
+			{
+				ScanExecutableRegionForTargetReferences(regionBase, regionEnd, targetList, hitCounts, maxHitsPerTarget);
+			}
+
+			var allTargetsSatisfied = true;
+			for (var i = 0; i < targetList.Count; i++)
+			{
+				if (hitCounts[targetList[i]] < maxHitsPerTarget)
+				{
+					allTargetsSatisfied = false;
+					break;
+				}
+			}
+
+			if (allTargetsSatisfied)
+			{
+				break;
+			}
+
+			address = regionEnd;
+		}
+
+		for (var i = 0; i < targetList.Count; i++)
+		{
+			var target = targetList[i];
+			if (!hitCounts.TryGetValue(target, out var count) || count == 0)
+			{
+				Console.Error.WriteLine($"[LOADER][INFO]   Ref scan 0x{target:X16}: none");
+			}
+		}
+	}
+
+	private void DumpGuestPointerWindowDiagnostics()
+	{
+		var targetList = ParseDiagnosticAddresses(Environment.GetEnvironmentVariable("SHARPEMU_LOG_POINTER_WINDOWS"));
+		if (targetList.Count == 0)
+		{
+			return;
+		}
+
+		var windowSize = 0x80;
+		var rawWindowSize = Environment.GetEnvironmentVariable("SHARPEMU_LOG_POINTER_WINDOW_SIZE");
+		if (!string.IsNullOrWhiteSpace(rawWindowSize))
+		{
+			var normalized = rawWindowSize.StartsWith("0x", StringComparison.OrdinalIgnoreCase)
+				? rawWindowSize[2..]
+				: rawWindowSize;
+			if (int.TryParse(normalized, NumberStyles.HexNumber, CultureInfo.InvariantCulture, out var parsedWindowSize) &&
+				parsedWindowSize > 0)
+			{
+				windowSize = parsedWindowSize;
+			}
+		}
+
+		foreach (var target in targetList)
+		{
+			DumpPointerWindow($"ptrwin-0x{target:X16}", target, windowSize);
+		}
+	}
+
+	private void ScanExecutableRegionForTargetReferences(
+		ulong regionBase,
+		ulong regionEnd,
+		IReadOnlyList<ulong> targets,
+		IDictionary<ulong, int> hitCounts,
+		int maxHitsPerTarget)
+	{
+		if (_cpuContext == null || regionEnd <= regionBase)
+		{
+			return;
+		}
+
+		ulong rip = regionBase;
+		while (rip < regionEnd)
+		{
+			if (!IcedDecoder.TryReadGuestBytes(_cpuContext.Memory, rip, maxLen: 15, out var bytes) ||
+				!IcedDecoder.TryDecode(rip, bytes, out var instruction) ||
+				instruction.Length <= 0)
+			{
+				rip++;
+				continue;
+			}
+
+			if (instruction.MemoryAddress is { } memoryAddress)
+			{
+				for (var i = 0; i < targets.Count; i++)
+				{
+					var target = targets[i];
+					if (memoryAddress != target ||
+						!hitCounts.TryGetValue(target, out var count) ||
+						count >= maxHitsPerTarget)
+					{
+						continue;
+					}
+
+					hitCounts[target] = count + 1;
+					Console.Error.WriteLine(
+						$"[LOADER][INFO]   Ref scan hit target=0x{target:X16} rip=0x{instruction.Rip:X16} text={instruction.Text} bytes={IcedDecoder.FormatBytes(instruction.Bytes)}");
+				}
+			}
+
+			rip += (ulong)instruction.Length;
+		}
+	}
+
+	private static List<ulong> ParseDiagnosticAddresses(string? rawValue)
+	{
+		var result = new List<ulong>();
+		if (string.IsNullOrWhiteSpace(rawValue))
+		{
+			return result;
+		}
+
+		foreach (var token in rawValue.Split(',', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries))
+		{
+			var normalized = token.StartsWith("0x", StringComparison.OrdinalIgnoreCase)
+				? token[2..]
+				: token;
+			if (!ulong.TryParse(normalized, NumberStyles.HexNumber, CultureInfo.InvariantCulture, out var address))
+			{
+				continue;
+			}
+
+			if (!result.Contains(address))
+			{
+				result.Add(address);
+			}
+		}
+
+		return result;
+	}
+
 	private void DumpUnresolvedSentinelWindow(string name, ulong baseAddress, int size)
 	{
 		if (baseAddress < 0x10000 || size <= 0)

src/SharpEmu.Core/Cpu/Native/DirectExecutionBackend.Imports.cs

@@ -154,15 +154,57 @@ public sealed partial class DirectExecutionBackend
 		bool flag = num7 >= 2156221920u && num7 <= 2156225024u;
 		bool flag2 = num7 >= 2156351360u && num7 <= 2156352080u;
 		bool flag3 = num >= 1020 && num <= 1040;
-		if (!flag0 && (num <= 128 || (num >= 240 && num <= 400) || (num >= 900 && num <= 1300) || num % 100000 == 0L || (importStubEntry.Nid == "tsvEmnenz48" && (num <= 256 || num % 1000 == 0L)) || (importStubEntry.Nid == "rTXw65xmLIA" && (num <= 256 || num % 128 == 0)) || flag || flag2 || flag3))
+		bool logAllImports = string.Equals(Environment.GetEnvironmentVariable("SHARPEMU_LOG_ALL_IMPORTS"), "1", StringComparison.Ordinal);
+		string importFilter = Environment.GetEnvironmentVariable("SHARPEMU_LOG_IMPORT_FILTER");
+		bool flag4 = !string.IsNullOrWhiteSpace(importFilter);
+		bool flag5 = false;
+		ExportedFunction matchedExport = null;
+		if (_moduleManager.TryGetExport(importStubEntry.Nid, out ExportedFunction export))
 		{
-			if (_moduleManager.TryGetExport(importStubEntry.Nid, out ExportedFunction export))
+			matchedExport = export;
+			if (flag4)
 			{
-				Console.Error.WriteLine($"[LOADER][TRACE] Import#{num}: {export.LibraryName}:{export.Name} ({importStubEntry.Nid})");
+				flag5 = export.LibraryName.Contains(importFilter, StringComparison.OrdinalIgnoreCase)
+					|| export.Name.Contains(importFilter, StringComparison.OrdinalIgnoreCase)
+					|| importStubEntry.Nid.Contains(importFilter, StringComparison.OrdinalIgnoreCase);
+			}
+		}
+		else if (flag4)
+		{
+			flag5 = importStubEntry.Nid.Contains(importFilter, StringComparison.OrdinalIgnoreCase);
+		}
+		bool flag6 = logAllImports || flag5;
+		if (!flag0 && (flag6 || num <= 128 || (num >= 240 && num <= 400) || (num >= 900 && num <= 1300) || num % 100000 == 0L || (importStubEntry.Nid == "tsvEmnenz48" && (num <= 256 || num % 1000 == 0L)) || (importStubEntry.Nid == "rTXw65xmLIA" && (num <= 256 || num % 128 == 0)) || flag || flag2 || flag3))
+		{
+			if (matchedExport != null)
+			{
+				if (flag6)
+				{
+					Console.Error.WriteLine(
+						$"[LOADER][TRACE] Import#{num}: {matchedExport.LibraryName}:{matchedExport.Name} ({importStubEntry.Nid}) " +
+						$"rdi=0x{value:X16} rsi=0x{value2:X16} rdx=0x{num3:X16} rcx=0x{num4:X16} ret=0x{num7:X16}");
+				}
+				else
+				{
+					Console.Error.WriteLine($"[LOADER][TRACE] Import#{num}: {matchedExport.LibraryName}:{matchedExport.Name} ({importStubEntry.Nid})");
+				}
 			}
 			else
 			{
-				Console.Error.WriteLine($"[LOADER][TRACE] Import#{num}: {importStubEntry.Nid}");
+				if (flag6)
+				{
+					Console.Error.WriteLine(
+						$"[LOADER][TRACE] Import#{num}: {importStubEntry.Nid} " +
+						$"rdi=0x{value:X16} rsi=0x{value2:X16} rdx=0x{num3:X16} rcx=0x{num4:X16} ret=0x{num7:X16}");
+				}
+				else
+				{
+					Console.Error.WriteLine($"[LOADER][TRACE] Import#{num}: {importStubEntry.Nid}");
+				}
+			}
+			if (flag6)
+			{
+				Console.Error.Flush();
 			}
 		}
 		if (!flag0)
@@ -212,31 +254,10 @@ public sealed partial class DirectExecutionBackend
 			}
 			TryBypassStackChkFailTrap(num, num7);
 		}
-		if (importStubEntry.Nid == "9rAeANT2tyE" || importStubEntry.Nid == "1j3S3n-tTW4")
-		{
-			ulong rspDbg = _cpuContext[CpuRegister.Rsp];
-			Console.Error.WriteLine(
-				$"[LOADER][TRACE] ImportDbg#{num}: nid={importStubEntry.Nid} " +
-				$"ret=0x{num7:X16} rsp=0x{rspDbg:X16} rsp&7=0x{(rspDbg & 7):X} rsp&F=0x{(rspDbg & 0xF):X}");
-
-			if (_cpuContext.TryReadUInt64(rspDbg, out var s0))
-				Console.Error.WriteLine($"[LOADER][TRACE]   [rsp+0x00] = 0x{s0:X16}");
-			if (_cpuContext.TryReadUInt64(rspDbg + 8, out var s8))
-				Console.Error.WriteLine($"[LOADER][TRACE]   [rsp+0x08] = 0x{s8:X16}");
-			if (_cpuContext.TryReadUInt64(rspDbg + 16, out var s10))
-				Console.Error.WriteLine($"[LOADER][TRACE]   [rsp+0x10] = 0x{s10:X16}");
-			if (_cpuContext.TryReadUInt64(rspDbg + 24, out var s18))
-				Console.Error.WriteLine($"[LOADER][TRACE]   [rsp+0x18] = 0x{s18:X16}");
-
-			ProbeReturnRip(num7, num);
-			Console.Error.Flush();
-		}
-		ProbeReturnRip(0x0000000800EA020Eul, 999001);
-		ProbeReturnRip(0x0000000800EA0213ul, 999002);
-		ProbeReturnRip(0x0000000800EA040Aul, 999003);
 		try
 		{
 			OrbisGen2Result orbisGen2Result;
+			bool dispatchResolved = true;
 			if (string.Equals(importStubEntry.Nid, RuntimeStubNids.BootstrapBridge, StringComparison.Ordinal))
 			{
 				orbisGen2Result = DispatchBootstrapBridge();
@@ -247,34 +268,31 @@ public sealed partial class DirectExecutionBackend
 			}
 			else
 			{
-				orbisGen2Result = _moduleManager.Dispatch(importStubEntry.Nid, _cpuContext);
+				dispatchResolved = _moduleManager.TryDispatch(importStubEntry.Nid, _cpuContext, out orbisGen2Result);
 			}
-			switch (orbisGen2Result)
+			if (!dispatchResolved)
 			{
-				case OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND:
-					LastError = "Missing HLE export for NID: " + importStubEntry.Nid;
-					Console.Error.WriteLine($"[LOADER][WARN] Import#{num} unresolved: nid={importStubEntry.Nid} ret=0x{num7:X16}");
-					if (importStubEntry.Nid == "L-Q3LEjIbgA")
+				LastError = "Missing HLE export for NID: " + importStubEntry.Nid;
+				Console.Error.WriteLine($"[LOADER][WARN] Import#{num} unresolved: nid={importStubEntry.Nid} ret=0x{num7:X16}");
+				if (importStubEntry.Nid == "L-Q3LEjIbgA")
+				{
+					string value18 = string.Join(" ", importStubEntry.Nid.Select(delegate (char c)
 					{
-						string value18 = string.Join(" ", importStubEntry.Nid.Select(delegate (char c)
-						{
-							int num10 = c;
-							return num10.ToString("X2");
-						}));
-						Console.Error.WriteLine($"[LOADER][WARN] map_direct nid raw len={importStubEntry.Nid.Length} chars=[{value18}]");
-						Delegate function;
-						bool value19 = _moduleManager.TryGetFunction(importStubEntry.Nid, out function);
-						ExportedFunction export2;
-						bool value20 = _moduleManager.TryGetExport(importStubEntry.Nid, out export2);
-						Console.Error.WriteLine($"[LOADER][WARN] map_direct lookup with import nid: function={value19}, export={value20}");
-						Console.Error.WriteLine(_moduleManager.TryGetExport("L-Q3LEjIbgA", out ExportedFunction export3) ? $"[LOADER][WARN] Canonical map_direct exists as {export3.LibraryName}:{export3.Name}, target={export3.Target}, ctx_target={_cpuContext.TargetGeneration}" : "[LOADER][WARN] Canonical map_direct export lookup also missing");
-					}
-					break;
-				default:
-					Console.Error.WriteLine($"[LOADER][WARN] Import#{num} result: {orbisGen2Result} ({importStubEntry.Nid})");
-					break;
-				case OrbisGen2Result.ORBIS_GEN2_OK:
-					break;
+						int num10 = c;
+						return num10.ToString("X2");
+					}));
+					Console.Error.WriteLine($"[LOADER][WARN] map_direct nid raw len={importStubEntry.Nid.Length} chars=[{value18}]");
+					Delegate function;
+					bool value19 = _moduleManager.TryGetFunction(importStubEntry.Nid, out function);
+					ExportedFunction export2;
+					bool value20 = _moduleManager.TryGetExport(importStubEntry.Nid, out export2);
+					Console.Error.WriteLine($"[LOADER][WARN] map_direct lookup with import nid: function={value19}, export={value20}");
+					Console.Error.WriteLine(_moduleManager.TryGetExport("L-Q3LEjIbgA", out ExportedFunction export3) ? $"[LOADER][WARN] Canonical map_direct exists as {export3.LibraryName}:{export3.Name}, target={export3.Target}, ctx_target={_cpuContext.TargetGeneration}" : "[LOADER][WARN] Canonical map_direct export lookup also missing");
+				}
+			}
+			else if (orbisGen2Result != OrbisGen2Result.ORBIS_GEN2_OK)
+			{
+				Console.Error.WriteLine($"[LOADER][WARN] Import#{num} result: {orbisGen2Result} ({importStubEntry.Nid})");
 			}
 			_cpuContext[CpuRegister.Rbx] = value3;
 			_cpuContext[CpuRegister.Rbp] = value4;
@@ -334,7 +352,12 @@ public sealed partial class DirectExecutionBackend
 		{
 			return false;
 		}
-		RecordImportLoopSignature(BuildImportLoopSignature(nid, returnRip, arg0, arg1));
+		if (!_importNidHashCache.TryGetValue(nid, out var value))
+		{
+			value = StableHash64(nid);
+			_importNidHashCache[nid] = value;
+		}
+		RecordImportLoopSignature(value, returnRip, BuildImportLoopSignature(value, returnRip, arg0, arg1));
 		if (!HasRepeatingImportLoopPattern())
 		{
 			if (_importLoopPatternHits > 0)
@@ -347,21 +370,18 @@ public sealed partial class DirectExecutionBackend
 		return _importLoopPatternHits >= 6;
 	}
 
-	private ulong BuildImportLoopSignature(string nid, ulong returnRip, ulong arg0, ulong arg1)
+	private ulong BuildImportLoopSignature(ulong nidHash, ulong returnRip, ulong arg0, ulong arg1)
 	{
-		if (!_importNidHashCache.TryGetValue(nid, out var value))
-		{
-			value = StableHash64(nid);
-			_importNidHashCache[nid] = value;
-		}
 		ulong num = returnRip >> 2;
 		ulong num2 = ((arg0 >> 4) * 11400714819323198485uL) ^ ((arg1 >> 4) * 14029467366897019727uL);
-		return num ^ value * 11400714819323198485uL ^ num2;
+		return num ^ nidHash * 11400714819323198485uL ^ num2;
 	}
 
-	private void RecordImportLoopSignature(ulong signature)
+	private void RecordImportLoopSignature(ulong nidHash, ulong returnRip, ulong signature)
 	{
 		_importLoopSignatures[_importLoopSignatureWriteIndex] = signature;
+		_importLoopNidHashes[_importLoopSignatureWriteIndex] = nidHash;
+		_importLoopReturnRips[_importLoopSignatureWriteIndex] = returnRip;
 		_importLoopSignatureWriteIndex = (_importLoopSignatureWriteIndex + 1) % _importLoopSignatures.Length;
 		if (_importLoopSignatureCount < _importLoopSignatures.Length)
 		{
@@ -405,7 +425,7 @@ public sealed partial class DirectExecutionBackend
 				}
 			}
 		}
-		return true;
+		return IsSevereImportLoopPattern(num);
 	}
 
 	private ulong GetImportLoopSignatureFromTail(int offset)
@@ -418,6 +438,64 @@ public sealed partial class DirectExecutionBackend
 		return _importLoopSignatures[num % _importLoopSignatures.Length];
 	}
 
+	private bool IsSevereImportLoopPattern(int sampleCount)
+	{
+		int num = CountDistinctImportLoopValuesFromTail(_importLoopNidHashes, sampleCount, 3);
+		if (num > 2)
+		{
+			return false;
+		}
+		int num2 = CountDistinctImportLoopValuesFromTail(_importLoopReturnRips, sampleCount, 3);
+		if (num2 > 2)
+		{
+			return false;
+		}
+		int num3 = Math.Min(_importLoopSignatureCount, Math.Max(sampleCount * 8, ImportLoopWideDiversityWindow));
+		if (num3 <= sampleCount)
+		{
+			return true;
+		}
+		if (CountDistinctImportLoopValuesFromTail(_importLoopNidHashes, num3, 3) > 2)
+		{
+			return false;
+		}
+		return CountDistinctImportLoopValuesFromTail(_importLoopReturnRips, num3, 3) <= 2;
+	}
+
+	private int CountDistinctImportLoopValuesFromTail(ulong[] source, int sampleCount, int stopAfter)
+	{
+		int num = Math.Min(sampleCount, _importLoopSignatureCount);
+		int num2 = 0;
+		for (int i = 0; i < num; i++)
+		{
+			ulong importLoopValueFromTail = GetImportLoopValueFromTail(source, i);
+			bool flag = false;
+			for (int j = 0; j < i; j++)
+			{
+				if (GetImportLoopValueFromTail(source, j) == importLoopValueFromTail)
+				{
+					flag = true;
+					break;
+				}
+			}
+			if (!flag && ++num2 >= stopAfter)
+			{
+				return num2;
+			}
+		}
+		return num2;
+	}
+
+	private ulong GetImportLoopValueFromTail(ulong[] source, int offset)
+	{
+		int num = _importLoopSignatureWriteIndex - 1 - offset;
+		while (num < 0)
+		{
+			num += source.Length;
+		}
+		return source[num % source.Length];
+	}
+
 	private bool ShouldSuppressStrlenTrace(string nid)
 	{
 		return string.Equals(nid, "j4ViWNHEgww", StringComparison.Ordinal) && !_logStrlenImports;

src/SharpEmu.Core/Cpu/Native/DirectExecutionBackend.cs

@@ -13,6 +13,10 @@ namespace SharpEmu.Core.Cpu.Native;
 
 public sealed unsafe partial class DirectExecutionBackend : INativeCpuBackend, IDisposable
 {
+	private const int ImportLoopHistoryLength = 2048;
+
+	private const int ImportLoopWideDiversityWindow = 768;
+
 	private readonly struct ImportStubEntry
 	{
 		public ulong Address { get; }
@@ -89,6 +93,8 @@ public sealed unsafe partial class DirectExecutionBackend : INativeCpuBackend, I
 
 	private const uint PAGE_EXECUTE_READ = 32u;
 
+	private const int TlsHandlerRegionSize = 16384;
+
 	private const ulong TlsModuleAllocStart = 140726751354880uL;
 
 	private const ulong TlsModuleAllocStride = 65536uL;
@@ -101,6 +107,8 @@ public sealed unsafe partial class DirectExecutionBackend : INativeCpuBackend, I
 
 	private bool _ownsTlsBaseAddress;
 
+	private int _tlsPatchStubOffset;
+
 	private nint _unresolvedReturnStub;
 
 	private nint _rawExceptionHandler;
@@ -175,7 +183,11 @@ public sealed unsafe partial class DirectExecutionBackend : INativeCpuBackend, I
 
 	private ulong _entryReturnSentinelRip;
 
-	private readonly ulong[] _importLoopSignatures = new ulong[192];
+	private readonly ulong[] _importLoopSignatures = new ulong[ImportLoopHistoryLength];
+
+	private readonly ulong[] _importLoopNidHashes = new ulong[ImportLoopHistoryLength];
+
+	private readonly ulong[] _importLoopReturnRips = new ulong[ImportLoopHistoryLength];
 
 	private int _importLoopSignatureCount;
 
@@ -509,6 +521,14 @@ public sealed unsafe partial class DirectExecutionBackend : INativeCpuBackend, I
 
 		Console.Error.WriteLine($"[LOADER][DEBUG] TryResolveDirectImportTarget: {nid} not in HLE table, checking runtime symbols...");
 
+		if (TryResolveRuntimeSymbolAddress(nid, out var directValue) && IsDirectImportTargetUsable(directValue))
+		{
+			targetAddress = directValue;
+			resolvedSymbol = nid;
+			Console.Error.WriteLine($"[LOADER][DEBUG] TryResolveDirectImportTarget: {nid} -> runtime symbol 0x{targetAddress:X16}");
+			return true;
+		}
+
 		if (Aerolib.Instance.TryGetByNid(nid, out var symbolByNid))
 		{
 			if (!PreferLleForLibcExport(symbolByNid.ExportName))
@@ -585,14 +605,6 @@ public sealed unsafe partial class DirectExecutionBackend : INativeCpuBackend, I
 	{
 		return exportName switch
 		{
-			"_init_env" or
-			"atexit" or
-			"strlen" or
-			"strnlen" or
-			"strcmp" or
-			"strncmp" or
-			"strcpy" or
-			"strncpy" or
 			"memcpy" or
 			"memmove" or
 			"memset" or
@@ -838,10 +850,10 @@ public sealed unsafe partial class DirectExecutionBackend : INativeCpuBackend, I
 
 	private unsafe void CreateTlsHandler()
 	{
-		_tlsHandlerAddress = (nint)TryAllocateNearEntry(256u);
+		_tlsHandlerAddress = (nint)TryAllocateNearEntry(TlsHandlerRegionSize);
 		if (_tlsHandlerAddress == 0)
 		{
-			_tlsHandlerAddress = (nint)VirtualAlloc(null, 256u, 12288u, 64u);
+			_tlsHandlerAddress = (nint)VirtualAlloc(null, TlsHandlerRegionSize, 12288u, 64u);
 		}
 		if (_tlsHandlerAddress == 0)
 		{
@@ -854,9 +866,10 @@ public sealed unsafe partial class DirectExecutionBackend : INativeCpuBackend, I
 		*(long*)(tlsHandlerAddress + num) = _tlsBaseAddress;
 		num += 8;
 		tlsHandlerAddress[num++] = 195;
+		_tlsPatchStubOffset = (num + 15) & ~15;
 		uint num2 = default(uint);
-		VirtualProtect((void*)_tlsHandlerAddress, 256u, 32u, &num2);
-		FlushInstructionCache(GetCurrentProcess(), (void*)_tlsHandlerAddress, 256u);
+		VirtualProtect((void*)_tlsHandlerAddress, TlsHandlerRegionSize, 32u, &num2);
+		FlushInstructionCache(GetCurrentProcess(), (void*)_tlsHandlerAddress, TlsHandlerRegionSize);
 		Console.Error.WriteLine($"[LOADER][INFO] TLS handler at 0x{_tlsHandlerAddress:X16}");
 	}
 
@@ -936,6 +949,7 @@ public sealed unsafe partial class DirectExecutionBackend : INativeCpuBackend, I
 		ulong num2 = num + MaxScanBytes;
 		int num3 = 0;
 		int num4 = 0;
+		int num9 = 0;
 		while (num < num2)
 		{
 			if (VirtualQuery((void*)num, out var lpBuffer, (nuint)sizeof(MEMORY_BASIC_INFORMATION64)) == 0 || lpBuffer.RegionSize == 0)
@@ -964,6 +978,10 @@ public sealed unsafe partial class DirectExecutionBackend : INativeCpuBackend, I
 						num3++;
 						PatchTlsInstruction(address);
 					}
+					else if (TryPatchTlsImmediateStoreInstruction(address, ptr + i))
+					{
+						num9++;
+					}
 					else if (TryPatchStackCanaryInstruction(address, ptr + i))
 					{
 						num4++;
@@ -972,7 +990,7 @@ public sealed unsafe partial class DirectExecutionBackend : INativeCpuBackend, I
 			}
 			num = num6 > num ? num6 : num + 4096uL;
 		}
-		Console.Error.WriteLine($"[LOADER][INFO] Patched {num3} TLS patterns, {num4} stack-canary accesses");
+		Console.Error.WriteLine($"[LOADER][INFO] Patched {num3} TLS loads, {num9} TLS stores, {num4} stack-canary accesses");
 	}
 
 	private unsafe bool IsPatternMatch(byte* ptr, byte[] pattern)
@@ -1086,6 +1104,115 @@ public sealed unsafe partial class DirectExecutionBackend : INativeCpuBackend, I
 		}
 	}
 
+	private unsafe bool TryPatchTlsImmediateStoreInstruction(nint address, byte* source)
+	{
+		if (source[0] != 100 || source[1] != 199 || source[2] != 4 || source[3] != 37)
+		{
+			return false;
+		}
+		int tlsOffset = *(int*)(source + 4);
+		int immediateValue = *(int*)(source + 8);
+		nint num = CreateTlsImmediateStoreHelper(tlsOffset, immediateValue);
+		if (num == 0)
+		{
+			return false;
+		}
+		return PatchCallSite(address, 12, num);
+	}
+
+	private unsafe nint CreateTlsImmediateStoreHelper(int tlsOffset, int immediateValue)
+	{
+		nint num = AllocateTlsPatchStub(32);
+		if (num == 0)
+		{
+			return 0;
+		}
+		byte* ptr = (byte*)num;
+		int num2 = 0;
+		ptr[num2++] = 80;
+		ptr[num2++] = 232;
+		long num3 = _tlsHandlerAddress - (num + num2 + 4);
+		if (num3 < int.MinValue || num3 > int.MaxValue)
+		{
+			Console.Error.WriteLine($"[LOADER][WARNING] TLS store helper out of rel32 range at 0x{num:X16}");
+			return 0;
+		}
+		*(int*)(ptr + num2) = (int)num3;
+		num2 += 4;
+		ptr[num2++] = 199;
+		ptr[num2++] = 128;
+		*(int*)(ptr + num2) = tlsOffset;
+		num2 += 4;
+		*(int*)(ptr + num2) = immediateValue;
+		num2 += 4;
+		ptr[num2++] = 88;
+		ptr[num2++] = 195;
+		while (num2 < 32)
+		{
+			ptr[num2++] = 144;
+		}
+		uint flNewProtect = default(uint);
+		VirtualProtect((void*)num, 32u, 32u, &flNewProtect);
+		FlushInstructionCache(GetCurrentProcess(), (void*)num, 32u);
+		return num;
+	}
+
+	private unsafe nint AllocateTlsPatchStub(int size)
+	{
+		if (_tlsHandlerAddress == 0 || size <= 0)
+		{
+			return 0;
+		}
+		int num = (size + 15) & -16;
+		if (_tlsPatchStubOffset + num > TlsHandlerRegionSize)
+		{
+			Console.Error.WriteLine("[LOADER][WARNING] TLS patch stub region exhausted.");
+			return 0;
+		}
+		nint result = _tlsHandlerAddress + _tlsPatchStubOffset;
+		_tlsPatchStubOffset += num;
+		uint flNewProtect = default(uint);
+		if (!VirtualProtect((void*)result, (nuint)num, 64u, &flNewProtect))
+		{
+			return 0;
+		}
+		return result;
+	}
+
+	private unsafe bool PatchCallSite(nint address, int instructionLength, nint target)
+	{
+		if (instructionLength < 5)
+		{
+			return false;
+		}
+		uint flNewProtect = default(uint);
+		if (!VirtualProtect((void*)address, (nuint)instructionLength, 64u, &flNewProtect))
+		{
+			return false;
+		}
+		try
+		{
+			long num = target - (address + 5);
+			if (num < int.MinValue || num > int.MaxValue)
+			{
+				Console.Error.WriteLine($"[LOADER][WARNING] TLS patch out of rel32 range at 0x{address:X16}");
+				return false;
+			}
+			*(byte*)address = 232;
+			*(int*)(address + 1) = (int)num;
+			for (int i = 5; i < instructionLength; i++)
+			{
+				*(byte*)(address + i) = 144;
+			}
+		}
+		finally
+		{
+			VirtualProtect((void*)address, (nuint)instructionLength, flNewProtect, &flNewProtect);
+			FlushInstructionCache(GetCurrentProcess(), (void*)address, (nuint)instructionLength);
+		}
+		return true;
+	}
+
 	private unsafe void TryPreReservePrtAperture(ulong baseAddress, ulong size)
 	{
 		if (VirtualQuery((void*)baseAddress, out var lpBuffer, (nuint)sizeof(MEMORY_BASIC_INFORMATION64)) != 0 && lpBuffer.State != 65536)

src/SharpEmu.Core/Loader/ImportedSymbolRelocation.cs

@@ -0,0 +1,10 @@
+// Copyright (C) 2026 SharpEmu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+namespace SharpEmu.Core.Loader;
+
+public readonly record struct ImportedSymbolRelocation(
+    ulong TargetAddress,
+    long Addend,
+    string Nid,
+    bool IsData);

src/SharpEmu.Core/Loader/SelfImage.cs

@@ -16,6 +16,10 @@ public sealed class SelfImage
         IReadOnlyList<VirtualMemoryRegion> mappedRegions,
         IReadOnlyDictionary<ulong, string>? importStubs = null,
         IReadOnlyDictionary<string, ulong>? runtimeSymbols = null,
+        IReadOnlyList<ImportedSymbolRelocation>? importedRelocations = null,
+        IReadOnlyList<ulong>? preInitializerFunctions = null,
+        IReadOnlyList<ulong>? initializerFunctions = null,
+        ulong initFunctionEntryPoint = 0,
         ulong imageBase = 0,
         ulong procParamAddress = 0)
     {
@@ -28,6 +32,10 @@ public sealed class SelfImage
         MappedRegions = mappedRegions;
         ImportStubs = importStubs ?? new Dictionary<ulong, string>();
         RuntimeSymbols = runtimeSymbols ?? new Dictionary<string, ulong>(StringComparer.Ordinal);
+        ImportedRelocations = importedRelocations ?? Array.Empty<ImportedSymbolRelocation>();
+        PreInitializerFunctions = preInitializerFunctions ?? Array.Empty<ulong>();
+        InitializerFunctions = initializerFunctions ?? Array.Empty<ulong>();
+        InitFunctionEntryPoint = initFunctionEntryPoint;
         _imageBase = imageBase;
         ProcParamAddress = procParamAddress;
     }
@@ -44,6 +52,14 @@ public sealed class SelfImage
 
     public IReadOnlyDictionary<string, ulong> RuntimeSymbols { get; }
 
+    public IReadOnlyList<ImportedSymbolRelocation> ImportedRelocations { get; }
+
+    public IReadOnlyList<ulong> PreInitializerFunctions { get; }
+
+    public IReadOnlyList<ulong> InitializerFunctions { get; }
+
+    public ulong InitFunctionEntryPoint { get; }
+
     public ulong EntryPoint => ElfHeader.EntryPoint + _imageBase;
 
     public ulong ProcParamAddress { get; }

src/SharpEmu.Core/Loader/SelfLoader.cs

@@ -29,6 +29,7 @@ public sealed class SelfLoader : ISelfLoader
     private const int ElfRelocationSize = 24;
     private const int ElfSectionHeaderSize = 64;
     private const uint SectionTypeSymbolTable = 2;
+    private const uint SectionTypeRela = 4;
 
     private const long DtNull = 0;
     private const long DtPltRelSize = 0x02;
@@ -37,8 +38,13 @@ public sealed class SelfLoader : ISelfLoader
     private const long DtSymTab = 0x06;
     private const long DtRela = 0x07;
     private const long DtRelaSize = 0x08;
+    private const long DtInit = 0x0C;
     private const long DtStrSize = 0x0A;
     private const long DtJmpRel = 0x17;
+    private const long DtInitArray = 0x19;
+    private const long DtInitArraySize = 0x1B;
+    private const long DtPreInitArray = 0x20;
+    private const long DtPreInitArraySize = 0x21;
     private const long DtSceJmpRel = 0x61000029;
     private const long DtScePltRelSize = 0x6100002D;
     private const long DtSceRela = 0x6100002F;
@@ -60,11 +66,12 @@ public sealed class SelfLoader : ISelfLoader
     private const ulong Ps4ModuleSearchStart = 0x0000000002000000UL;
     private const ulong Ps4ModuleSearchEnd = 0x0000000040000000UL;
     private const ulong ModulePlacementStep = 0x00200000UL;
-    private const ulong FocusRelocGuestStart = 0x00000008030FC300UL;
-    private const ulong FocusRelocGuestEnd = 0x00000008030FC3F0UL;
+    private const ulong FocusRelocGuestStart = 0x0000000807BA25B0UL;
+    private const ulong FocusRelocGuestEnd = 0x0000000807BA2608UL;
     private const byte SymbolBindLocal = 0;
     private const byte SymbolBindGlobal = 1;
     private const byte SymbolBindWeak = 2;
+    private const byte SymbolTypeObject = 1;
 
     private IModuleManager? _moduleManager;
     private uint _nextTlsModuleId = 1;
@@ -72,6 +79,7 @@ public sealed class SelfLoader : ISelfLoader
     private static readonly IReadOnlyDictionary<ulong, string> EmptyImportStubs = new Dictionary<ulong, string>();
     private static readonly IReadOnlyDictionary<string, ulong> EmptyRuntimeSymbols =
         new Dictionary<string, ulong>(StringComparer.Ordinal);
+    private static readonly IReadOnlyList<ulong> EmptyInitializerFunctions = Array.Empty<ulong>();
     private static readonly int SelfHeaderSize = Unsafe.SizeOf<SelfHeader>();
     private static readonly int SelfSegmentSize = Unsafe.SizeOf<SelfSegment>();
     private static readonly int ProgramHeaderSize = Unsafe.SizeOf<ProgramHeader>();
@@ -190,11 +198,13 @@ public sealed class SelfLoader : ISelfLoader
         var importStubs = ResolveAndPatchImportStubs(
             imageData,
             loadContext,
+            elfHeader,
             programHeaders,
             virtualMemory,
             imageBase,
             _moduleManager,
-            tlsModuleId);
+            tlsModuleId,
+            out var importedRelocations);
         var effectiveImportStubs = importStubs.Count == 0
             ? new Dictionary<ulong, string>()
             : new Dictionary<ulong, string>(importStubs);
@@ -214,6 +224,15 @@ public sealed class SelfLoader : ISelfLoader
         var finalizedRuntimeSymbols = runtimeSymbols.Count == 0
             ? EmptyRuntimeSymbols
             : runtimeSymbols;
+        CollectInitializerFunctions(
+            imageData,
+            loadContext,
+            programHeaders,
+            virtualMemory,
+            imageBase,
+            out var initFunctionEntryPoint,
+            out var preInitializerFunctions,
+            out var initializerFunctions);
         var procParamAddress = ResolveProcParamAddress(programHeaders, imageBase);
 
         Console.WriteLine($"[LOADER] ELF e_entry: 0x{elfHeader.EntryPoint:X16}");
@@ -246,6 +265,10 @@ public sealed class SelfLoader : ISelfLoader
             virtualMemory.SnapshotRegions(),
             finalizedImportStubs,
             finalizedRuntimeSymbols,
+            importedRelocations,
+            preInitializerFunctions,
+            initializerFunctions,
+            initFunctionEntryPoint,
             imageBase,
             procParamAddress);
     }
@@ -426,12 +449,15 @@ public sealed class SelfLoader : ISelfLoader
     private static IReadOnlyDictionary<ulong, string> ResolveAndPatchImportStubs(
         ReadOnlySpan<byte> imageData,
         LoadContext loadContext,
+        ElfHeader elfHeader,
         IReadOnlyList<ProgramHeader> programHeaders,
         IVirtualMemory virtualMemory,
         ulong imageBase,
         IModuleManager? moduleManager,
-        uint tlsModuleId)
+        uint tlsModuleId,
+        out IReadOnlyList<ImportedSymbolRelocation> importedRelocations)
     {
+        importedRelocations = Array.Empty<ImportedSymbolRelocation>();
         if (!TryGetProgramHeader(programHeaders, ProgramHeaderType.Dynamic, out var dynamicHeader, out var dynamicHeaderIndex))
         {
             return EmptyImportStubs;
@@ -447,10 +473,18 @@ public sealed class SelfLoader : ISelfLoader
             throw new NotSupportedException("Dynamic metadata segments larger than 2 GB are not currently supported.");
         }
 
-        var dynamicOffset = ResolvePhysicalSegmentOffset(imageData.Length, loadContext, dynamicHeader, dynamicHeaderIndex);
-        EnsureRange(imageData.Length, dynamicOffset, dynamicHeader.FileSize);
+        if (!TryLoadDynamicTableBytes(
+                imageData,
+                loadContext,
+                virtualMemory,
+                imageBase,
+                dynamicHeader,
+                dynamicHeaderIndex,
+                out var dynamicTable))
+        {
+            return EmptyImportStubs;
+        }
 
-        var dynamicTable = imageData.Slice((int)dynamicOffset, (int)dynamicHeader.FileSize);
         var elfData = imageData;
 
         var dynamicInfo = ParseDynamicInfo(dynamicTable);
@@ -463,13 +497,6 @@ public sealed class SelfLoader : ISelfLoader
         Console.WriteLine($"[LOADER] TLS module id: {tlsModuleId}");
         Console.WriteLine($"[LOADER] HasImportMetadata: {dynamicInfo.HasImportMetadata}");
 
-        if (!dynamicInfo.HasImportMetadata)
-        {
-            Console.WriteLine($"[LOADER] No import metadata found in ELF!");
-            return EmptyImportStubs;
-        }
-
-        Console.WriteLine($"[LOADER] ImageBase runtime: 0x{imageBase:X16}");
         var relocations = new List<ElfRelocation>(512);
 
         if (dynamicInfo.RelaSize != 0 &&
@@ -484,13 +511,16 @@ public sealed class SelfLoader : ISelfLoader
             CollectRelocations(jmpRelBytes, relocations);
         }
 
-        if (relocations.Count == 0)
+        if (!dynamicInfo.HasImportMetadata)
         {
-            Console.WriteLine($"[LOADER] No relocations found!");
-            return EmptyImportStubs;
+            Console.WriteLine($"[LOADER] No import metadata found in ELF!");
         }
 
-        Console.WriteLine($"[LOADER] Processing {relocations.Count} relocations...");
+        if (relocations.Count != 0)
+        {
+            Console.WriteLine($"[LOADER] ImageBase runtime: 0x{imageBase:X16}");
+            Console.WriteLine($"[LOADER] Processing {relocations.Count} relocations...");
+        }
 
         uint maxSymbolIndex = 0;
         foreach (var relocation in relocations)
@@ -544,164 +574,37 @@ public sealed class SelfLoader : ISelfLoader
         var descriptors = new List<RelocationDescriptor>(256);
         var orderedImportNids = new List<string>(128);
         var seenImportNids = new HashSet<string>(StringComparer.Ordinal);
-        var skippedUnsupported = 0;
-        var skippedUnmapped = 0;
-        var skippedSymbolRead = 0;
-        var skippedNonImportBind = 0;
-        var skippedNameRead = 0;
-        var skippedEmptyNid = 0;
-        foreach (var relocation in relocations)
+        AppendRelocationDescriptors(
+            relocations,
+            symbolTable,
+            stringTable,
+            virtualMemory,
+            imageBase,
+            tlsModuleId,
+            descriptors,
+            orderedImportNids,
+            seenImportNids);
+
+        if (descriptors.Count == 0)
         {
-            if (IsFocusRelocationOffset(relocation.Offset, imageBase))
+            var sectionFallbackRelocCount = AppendSectionRelocationDescriptors(
+                imageData,
+                loadContext,
+                elfHeader,
+                virtualMemory,
+                imageBase,
+                tlsModuleId,
+                descriptors,
+                orderedImportNids,
+                seenImportNids);
+            if (sectionFallbackRelocCount != 0)
             {
-                Console.Error.WriteLine(
-                    $"[LOADER][FOCUS][SCAN] off=0x{relocation.Offset:X16} type={relocation.Type} sym={relocation.SymbolIndex} addend=0x{relocation.Addend:X}");
+                Console.WriteLine(
+                    $"[LOADER] Section relocation fallback recovered {sectionFallbackRelocCount} relocation entries, {orderedImportNids.Count} unique NIDs, {descriptors.Count} descriptors");
             }
-
-            if (!IsSupportedRelocationType(relocation.Type))
-            {
-                skippedUnsupported++;
-                if (IsFocusRelocationOffset(relocation.Offset, imageBase))
-                {
-                    Console.Error.WriteLine($"[LOADER][FOCUS][SKIP] unsupported type={relocation.Type}");
-                }
-                continue;
-            }
-
-            if (!TryResolveMappedAddress(virtualMemory, relocation.Offset, imageBase, sizeof(ulong), out var targetAddress))
-            {
-                skippedUnmapped++;
-                if (IsFocusRelocationOffset(relocation.Offset, imageBase))
-                {
-                    Console.Error.WriteLine("[LOADER][FOCUS][SKIP] target address not mapped");
-                }
-                continue;
-            }
-
-            if (relocation.Type == RelocationTypeRelative)
-            {
-                descriptors.Add(new RelocationDescriptor(
-                    targetAddress,
-                    relocation.Addend,
-                    null,
-                    imageBase,
-                    RelocationValueKind.Pointer));
-                continue;
-            }
-
-            if (relocation.Type == RelocationTypeTlsModuleId)
-            {
-                var dtpmodValue = tlsModuleId == 0 ? 1u : tlsModuleId;
-                descriptors.Add(new RelocationDescriptor(
-                    targetAddress,
-                    0,
-                    null,
-                    dtpmodValue,
-                    RelocationValueKind.TlsModuleId));
-                continue;
-            }
-
-            var symbolIndex = relocation.SymbolIndex;
-            ElfSymbol symbol;
-            if (symbolIndex == 0)
-            {
-                symbol = default;
-            }
-            else if (!TryReadSymbol(symbolTable, symbolIndex, out symbol))
-            {
-                skippedSymbolRead++;
-                if (targetAddress >= FocusRelocGuestStart && targetAddress <= FocusRelocGuestEnd)
-                {
-                    Console.Error.WriteLine($"[LOADER][FOCUS][SKIP] symbol read failed index={symbolIndex}");
-                }
-                continue;
-            }
-
-            var addend = relocation.Type is RelocationTypeGlobalData or RelocationTypeJumpSlot ? 0 : relocation.Addend;
-            var symbolBind = GetSymbolBind(symbol.Info);
-            if (symbolBind == SymbolBindLocal)
-            {
-                var symbolAddress = ResolveMappedAddressOrFallback(virtualMemory, symbol.Value, imageBase);
-                if (symbolAddress == 0)
-                {
-                    Console.Error.WriteLine(
-                        $"[LOADER] Skipping local relocation with invalid symbol value 0x{symbol.Value:X} " +
-                        $"at target 0x{targetAddress:X16}, type={relocation.Type}, sym={symbolIndex}");
-                    continue;
-                }
-
-                descriptors.Add(new RelocationDescriptor(
-                    targetAddress,
-                    addend,
-                    null,
-                    symbolAddress,
-                    RelocationValueKind.Pointer));
-                continue;
-            }
-
-            if (symbol.Value != 0)
-            {
-                var symbolAddress = ResolveMappedAddressOrFallback(virtualMemory, symbol.Value, imageBase);
-                if (symbolAddress == 0)
-                {
-                    Console.Error.WriteLine(
-                        $"[LOADER] Skipping relocation with invalid symbol value 0x{symbol.Value:X} " +
-                        $"at target 0x{targetAddress:X16}, type={relocation.Type}, sym={symbolIndex}");
-                    continue;
-                }
-
-                descriptors.Add(new RelocationDescriptor(
-                    targetAddress,
-                    addend,
-                    null,
-                    symbolAddress,
-                    RelocationValueKind.Pointer));
-                continue;
-            }
-
-            if (symbolBind is not (SymbolBindGlobal or SymbolBindWeak))
-            {
-                skippedNonImportBind++;
-                if (targetAddress >= FocusRelocGuestStart && targetAddress <= FocusRelocGuestEnd)
-                {
-                    Console.Error.WriteLine($"[LOADER][FOCUS][SKIP] bind={symbolBind} not importable");
-                }
-                continue;
-            }
-
-            if (!TryReadNullTerminatedAscii(stringTable, symbol.NameOffset, out var symbolName))
-            {
-                skippedNameRead++;
-                if (targetAddress >= FocusRelocGuestStart && targetAddress <= FocusRelocGuestEnd)
-                {
-                    Console.Error.WriteLine($"[LOADER][FOCUS][SKIP] symbol name read failed offset={symbol.NameOffset}");
-                }
-                continue;
-            }
-
-            var nid = ExtractNid(symbolName);
-            if (string.IsNullOrWhiteSpace(nid))
-            {
-                skippedEmptyNid++;
-                continue;
-            }
-
-            if (seenImportNids.Add(nid))
-            {
-                orderedImportNids.Add(nid);
-            }
-
-            descriptors.Add(new RelocationDescriptor(
-                targetAddress,
-                addend,
-                nid,
-                0,
-                RelocationValueKind.Pointer));
         }
 
         Console.WriteLine($"[LOADER] Found {orderedImportNids.Count} unique NIDs, {descriptors.Count} descriptors");
-        Console.WriteLine(
-            $"[LOADER] Reloc skip stats: unsupported={skippedUnsupported}, unmapped={skippedUnmapped}, symbolRead={skippedSymbolRead}, nonImportBind={skippedNonImportBind}, nameRead={skippedNameRead}, emptyNid={skippedEmptyNid}");
 
         if (descriptors.Count == 0)
         {
@@ -709,6 +612,8 @@ public sealed class SelfLoader : ISelfLoader
             return EmptyImportStubs;
         }
 
+        importedRelocations = BuildImportedRelocations(descriptors);
+
         var stubsByAddress = CreateImportStubMapping(virtualMemory, orderedImportNids);
         Console.WriteLine($"[LOADER] Created {stubsByAddress.Count} import stubs");
 
@@ -784,6 +689,237 @@ public sealed class SelfLoader : ISelfLoader
         return stubsByAddress;
     }
 
+    private static int AppendSectionRelocationDescriptors(
+        ReadOnlySpan<byte> imageData,
+        LoadContext loadContext,
+        ElfHeader elfHeader,
+        IVirtualMemory virtualMemory,
+        ulong imageBase,
+        uint tlsModuleId,
+        ICollection<RelocationDescriptor> descriptors,
+        IList<string> orderedImportNids,
+        ISet<string> seenImportNids)
+    {
+        if (elfHeader.SectionHeaderOffset == 0 ||
+            elfHeader.SectionHeaderCount == 0 ||
+            elfHeader.SectionHeaderEntrySize < ElfSectionHeaderSize)
+        {
+            return 0;
+        }
+
+        var appendedRelocations = 0;
+        for (var sectionIndex = 0; sectionIndex < elfHeader.SectionHeaderCount; sectionIndex++)
+        {
+            if (!TryReadSectionHeader(imageData, loadContext, elfHeader, sectionIndex, out var relocationHeader) ||
+                relocationHeader.Type != SectionTypeRela ||
+                relocationHeader.Size == 0 ||
+                relocationHeader.EntrySize < ElfRelocationSize)
+            {
+                continue;
+            }
+
+            if (!TryReadElfRelativeSlice(imageData, loadContext, relocationHeader.Offset, relocationHeader.Size, out var relocationTable))
+            {
+                continue;
+            }
+
+            var relocations = new List<ElfRelocation>(checked((int)(relocationHeader.Size / relocationHeader.EntrySize)));
+            CollectRelocations(relocationTable, relocations);
+            if (relocations.Count == 0)
+            {
+                continue;
+            }
+
+            ReadOnlySpan<byte> symbolTable = ReadOnlySpan<byte>.Empty;
+            ReadOnlySpan<byte> stringTable = ReadOnlySpan<byte>.Empty;
+            if (relocationHeader.Link < elfHeader.SectionHeaderCount &&
+                TryReadSectionHeader(imageData, loadContext, elfHeader, (int)relocationHeader.Link, out var symbolHeader) &&
+                symbolHeader.Size != 0 &&
+                symbolHeader.EntrySize >= ElfSymbolSize &&
+                TryReadElfRelativeSlice(imageData, loadContext, symbolHeader.Offset, symbolHeader.Size, out symbolTable) &&
+                symbolHeader.Link < elfHeader.SectionHeaderCount &&
+                TryReadSectionHeader(imageData, loadContext, elfHeader, (int)symbolHeader.Link, out var stringHeader) &&
+                stringHeader.Size != 0 &&
+                TryReadElfRelativeSlice(imageData, loadContext, stringHeader.Offset, stringHeader.Size, out stringTable))
+            {
+            }
+
+            AppendRelocationDescriptors(
+                relocations,
+                symbolTable,
+                stringTable,
+                virtualMemory,
+                imageBase,
+                tlsModuleId,
+                descriptors,
+                orderedImportNids,
+                seenImportNids);
+            appendedRelocations += relocations.Count;
+        }
+
+        return appendedRelocations;
+    }
+
+    private static void AppendRelocationDescriptors(
+        IReadOnlyList<ElfRelocation> relocations,
+        ReadOnlySpan<byte> symbolTable,
+        ReadOnlySpan<byte> stringTable,
+        IVirtualMemory virtualMemory,
+        ulong imageBase,
+        uint tlsModuleId,
+        ICollection<RelocationDescriptor> descriptors,
+        IList<string> orderedImportNids,
+        ISet<string> seenImportNids)
+    {
+        foreach (var relocation in relocations)
+        {
+            if (IsFocusRelocationOffset(relocation.Offset, imageBase))
+            {
+                Console.Error.WriteLine(
+                    $"[LOADER][FOCUS][SCAN] off=0x{relocation.Offset:X16} type={relocation.Type} sym={relocation.SymbolIndex} addend=0x{relocation.Addend:X}");
+            }
+
+            if (!IsSupportedRelocationType(relocation.Type))
+            {
+                if (IsFocusRelocationOffset(relocation.Offset, imageBase))
+                {
+                    Console.Error.WriteLine($"[LOADER][FOCUS][SKIP] unsupported type={relocation.Type}");
+                }
+                continue;
+            }
+
+            if (!TryResolveMappedAddress(virtualMemory, relocation.Offset, imageBase, sizeof(ulong), out var targetAddress))
+            {
+                if (IsFocusRelocationOffset(relocation.Offset, imageBase))
+                {
+                    Console.Error.WriteLine("[LOADER][FOCUS][SKIP] target address not mapped");
+                }
+                continue;
+            }
+
+            if (relocation.Type == RelocationTypeRelative)
+            {
+                descriptors.Add(new RelocationDescriptor(
+                    targetAddress,
+                    relocation.Addend,
+                    null,
+                    imageBase,
+                    RelocationValueKind.Pointer,
+                    IsDataImport: false));
+                continue;
+            }
+
+            if (relocation.Type == RelocationTypeTlsModuleId)
+            {
+                var dtpmodValue = tlsModuleId == 0 ? 1u : tlsModuleId;
+                descriptors.Add(new RelocationDescriptor(
+                    targetAddress,
+                    0,
+                    null,
+                    dtpmodValue,
+                    RelocationValueKind.TlsModuleId,
+                    IsDataImport: false));
+                continue;
+            }
+
+            var symbolIndex = relocation.SymbolIndex;
+            ElfSymbol symbol;
+            if (symbolIndex == 0)
+            {
+                symbol = default;
+            }
+            else if (!TryReadSymbol(symbolTable, symbolIndex, out symbol))
+            {
+                if (targetAddress >= FocusRelocGuestStart && targetAddress <= FocusRelocGuestEnd)
+                {
+                    Console.Error.WriteLine($"[LOADER][FOCUS][SKIP] symbol read failed index={symbolIndex}");
+                }
+                continue;
+            }
+
+            var addend = relocation.Type is RelocationTypeGlobalData or RelocationTypeJumpSlot ? 0 : relocation.Addend;
+            var symbolBind = GetSymbolBind(symbol.Info);
+            if (symbolBind == SymbolBindLocal)
+            {
+                var symbolAddress = ResolveMappedAddressOrFallback(virtualMemory, symbol.Value, imageBase);
+                if (symbolAddress == 0)
+                {
+                    Console.Error.WriteLine(
+                        $"[LOADER] Skipping local relocation with invalid symbol value 0x{symbol.Value:X} " +
+                        $"at target 0x{targetAddress:X16}, type={relocation.Type}, sym={symbolIndex}");
+                    continue;
+                }
+
+                descriptors.Add(new RelocationDescriptor(
+                    targetAddress,
+                    addend,
+                    null,
+                    symbolAddress,
+                    RelocationValueKind.Pointer,
+                    IsDataImport: false));
+                continue;
+            }
+
+            if (symbol.Value != 0)
+            {
+                var symbolAddress = ResolveMappedAddressOrFallback(virtualMemory, symbol.Value, imageBase);
+                if (symbolAddress == 0)
+                {
+                    Console.Error.WriteLine(
+                        $"[LOADER] Skipping relocation with invalid symbol value 0x{symbol.Value:X} " +
+                        $"at target 0x{targetAddress:X16}, type={relocation.Type}, sym={symbolIndex}");
+                    continue;
+                }
+
+                descriptors.Add(new RelocationDescriptor(
+                    targetAddress,
+                    addend,
+                    null,
+                    symbolAddress,
+                    RelocationValueKind.Pointer,
+                    IsDataImport: false));
+                continue;
+            }
+
+            if (symbolBind is not (SymbolBindGlobal or SymbolBindWeak))
+            {
+                if (targetAddress >= FocusRelocGuestStart && targetAddress <= FocusRelocGuestEnd)
+                {
+                    Console.Error.WriteLine($"[LOADER][FOCUS][SKIP] bind={symbolBind} not importable");
+                }
+                continue;
+            }
+
+            if (!TryReadNullTerminatedAscii(stringTable, symbol.NameOffset, out var symbolName))
+            {
+                if (targetAddress >= FocusRelocGuestStart && targetAddress <= FocusRelocGuestEnd)
+                {
+                    Console.Error.WriteLine($"[LOADER][FOCUS][SKIP] symbol name read failed offset={symbol.NameOffset}");
+                }
+                continue;
+            }
+
+            var nid = ExtractNid(symbolName);
+            if (string.IsNullOrWhiteSpace(nid))
+            {
+                continue;
+            }
+
+            if (seenImportNids.Add(nid))
+            {
+                orderedImportNids.Add(nid);
+            }
+
+            descriptors.Add(new RelocationDescriptor(
+                targetAddress,
+                addend,
+                nid,
+                0,
+                RelocationValueKind.Pointer,
+                IsDataImport: GetSymbolType(symbol.Info) == SymbolTypeObject));
+        }
+    }
+
     private static void RegisterRuntimeSymbolsAndHooks(
         ReadOnlySpan<byte> imageData,
         LoadContext loadContext,
@@ -811,6 +947,159 @@ public sealed class SelfLoader : ISelfLoader
         }
     }
 
+    private static void CollectInitializerFunctions(
+        ReadOnlySpan<byte> imageData,
+        LoadContext loadContext,
+        IReadOnlyList<ProgramHeader> programHeaders,
+        IVirtualMemory virtualMemory,
+        ulong imageBase,
+        out ulong initFunctionEntryPoint,
+        out IReadOnlyList<ulong> preInitializerFunctions,
+        out IReadOnlyList<ulong> initializerFunctions)
+    {
+        initFunctionEntryPoint = 0;
+        preInitializerFunctions = EmptyInitializerFunctions;
+        initializerFunctions = EmptyInitializerFunctions;
+
+        if (!TryGetProgramHeader(programHeaders, ProgramHeaderType.Dynamic, out var dynamicHeader, out var dynamicHeaderIndex) ||
+            dynamicHeader.FileSize == 0)
+        {
+            return;
+        }
+
+        if (!TryLoadDynamicTableBytes(
+                imageData,
+                loadContext,
+                virtualMemory,
+                imageBase,
+                dynamicHeader,
+                dynamicHeaderIndex,
+                out var dynamicTable))
+        {
+            return;
+        }
+
+        var dynamicInfo = ParseDynamicInfo(dynamicTable);
+        var preInitializers = new List<ulong>(4);
+        var initializers = new List<ulong>(8);
+        initFunctionEntryPoint = ResolveMappedAddressOrFallback(virtualMemory, dynamicInfo.InitOffset, imageBase);
+        if (initFunctionEntryPoint < 0x10000)
+        {
+            initFunctionEntryPoint = 0;
+        }
+
+        AppendInitializerArrayEntries(
+            preInitializers,
+            imageData,
+            virtualMemory,
+            imageBase,
+            dynamicInfo.PreInitArrayOffset,
+            dynamicInfo.PreInitArraySize);
+
+        AppendResolvedInitializer(initializers, dynamicInfo.InitOffset, virtualMemory, imageBase);
+        AppendInitializerArrayEntries(
+            initializers,
+            imageData,
+            virtualMemory,
+            imageBase,
+            dynamicInfo.InitArrayOffset,
+            dynamicInfo.InitArraySize);
+
+        if (preInitializers.Count != 0)
+        {
+            preInitializerFunctions = preInitializers;
+        }
+
+        if (initializers.Count != 0)
+        {
+            initializerFunctions = initializers;
+        }
+
+        if (preInitializers.Count != 0 || initializers.Count != 0)
+        {
+            Console.Error.WriteLine(
+                $"[LOADER] Initializers discovered: preinit={preInitializers.Count}, init={initializers.Count}");
+        }
+    }
+
+    private static void AppendInitializerArrayEntries(
+        ICollection<ulong> destination,
+        ReadOnlySpan<byte> imageData,
+        IVirtualMemory virtualMemory,
+        ulong imageBase,
+        ulong arrayOffset,
+        ulong arraySize)
+    {
+        if (arrayOffset == 0 || arraySize < sizeof(ulong))
+        {
+            return;
+        }
+
+        if (!TryLoadTableBytes(imageData, virtualMemory, imageBase, arrayOffset, arraySize, out var arrayBytes))
+        {
+            return;
+        }
+
+        var entryCount = arrayBytes.Length / sizeof(ulong);
+        for (var i = 0; i < entryCount; i++)
+        {
+            var entryOffset = i * sizeof(ulong);
+            var entryAddress = BinaryPrimitives.ReadUInt64LittleEndian(arrayBytes.AsSpan(entryOffset, sizeof(ulong)));
+            AppendResolvedInitializer(destination, entryAddress, virtualMemory, imageBase);
+        }
+    }
+
+    private static void AppendResolvedInitializer(
+        ICollection<ulong> destination,
+        ulong functionAddress,
+        IVirtualMemory virtualMemory,
+        ulong imageBase)
+    {
+        var resolvedAddress = ResolveMappedAddressOrFallback(virtualMemory, functionAddress, imageBase);
+        if (resolvedAddress < 0x10000)
+        {
+            return;
+        }
+
+        foreach (var existing in destination)
+        {
+            if (existing == resolvedAddress)
+            {
+                return;
+            }
+        }
+
+        destination.Add(resolvedAddress);
+    }
+
+    private static IReadOnlyList<ImportedSymbolRelocation> BuildImportedRelocations(
+        IReadOnlyList<RelocationDescriptor> descriptors)
+    {
+        if (descriptors.Count == 0)
+        {
+            return Array.Empty<ImportedSymbolRelocation>();
+        }
+
+        var importedRelocations = new List<ImportedSymbolRelocation>(descriptors.Count);
+        foreach (var descriptor in descriptors)
+        {
+            if (descriptor.ImportNid is null || descriptor.ValueKind != RelocationValueKind.Pointer)
+            {
+                continue;
+            }
+
+            importedRelocations.Add(new ImportedSymbolRelocation(
+                descriptor.TargetAddress,
+                descriptor.Addend,
+                descriptor.ImportNid,
+                descriptor.IsDataImport));
+        }
+
+        return importedRelocations.Count == 0
+            ? Array.Empty<ImportedSymbolRelocation>()
+            : importedRelocations;
+    }
+
     private static int RegisterSectionRuntimeSymbols(
         ReadOnlySpan<byte> imageData,
         LoadContext loadContext,
@@ -909,9 +1198,18 @@ public sealed class SelfLoader : ISelfLoader
             return 0;
         }
 
-        var dynamicOffset = ResolvePhysicalSegmentOffset(imageData.Length, loadContext, dynamicHeader, dynamicHeaderIndex);
-        EnsureRange(imageData.Length, dynamicOffset, dynamicHeader.FileSize);
-        var dynamicTable = imageData.Slice((int)dynamicOffset, (int)dynamicHeader.FileSize);
+        if (!TryLoadDynamicTableBytes(
+                imageData,
+                loadContext,
+                virtualMemory,
+                imageBase,
+                dynamicHeader,
+                dynamicHeaderIndex,
+                out var dynamicTable))
+        {
+            return 0;
+        }
+
         var dynamicInfo = ParseDynamicInfo(dynamicTable);
         if (dynamicInfo.SymTabOffset == 0 || dynamicInfo.StrTabOffset == 0)
         {
@@ -1044,6 +1342,37 @@ public sealed class SelfLoader : ISelfLoader
         return true;
     }
 
+    private static bool TryLoadDynamicTableBytes(
+        ReadOnlySpan<byte> imageData,
+        LoadContext loadContext,
+        IVirtualMemory virtualMemory,
+        ulong imageBase,
+        ProgramHeader dynamicHeader,
+        int dynamicHeaderIndex,
+        out ReadOnlySpan<byte> dynamicTable)
+    {
+        if (TryLoadTableBytes(
+                imageData,
+                virtualMemory,
+                imageBase,
+                dynamicHeader.VirtualAddress,
+                dynamicHeader.FileSize,
+                out var loadedDynamicTable))
+        {
+            dynamicTable = loadedDynamicTable;
+            return true;
+        }
+
+        var dynamicOffset = ResolvePhysicalSegmentOffset(imageData.Length, loadContext, dynamicHeader, dynamicHeaderIndex);
+        if (!TrySlice(imageData, dynamicOffset, dynamicHeader.FileSize, out dynamicTable))
+        {
+            dynamicTable = default;
+            return false;
+        }
+
+        return true;
+    }
+
     private static bool TryReadElfRelativeSlice(
         ReadOnlySpan<byte> imageData,
         LoadContext loadContext,
@@ -1185,11 +1514,16 @@ public sealed class SelfLoader : ISelfLoader
         ulong strTabSize = 0;
         ulong symTabOffset = 0;
         ulong symTabSize = 0;
+        ulong initOffset = 0;
         ulong relaOffset = 0;
         ulong relaSize = 0;
         ulong jmpRelOffset = 0;
         ulong jmpRelSize = 0;
         ulong pltGotOffset = 0;
+        ulong initArrayOffset = 0;
+        ulong initArraySize = 0;
+        ulong preInitArrayOffset = 0;
+        ulong preInitArraySize = 0;
 
         for (var offset = 0; offset + DynamicEntrySize <= dynamicTable.Length; offset += DynamicEntrySize)
         {
@@ -1236,6 +1570,13 @@ public sealed class SelfLoader : ISelfLoader
                         relaSize = value;
                     }
 
+                    break;
+                case DtInit:
+                    if (initOffset == 0)
+                    {
+                        initOffset = value;
+                    }
+
                     break;
                 case DtJmpRel:
                     if (jmpRelOffset == 0)
@@ -1243,6 +1584,34 @@ public sealed class SelfLoader : ISelfLoader
                         jmpRelOffset = value;
                     }
 
+                    break;
+                case DtInitArray:
+                    if (initArrayOffset == 0)
+                    {
+                        initArrayOffset = value;
+                    }
+
+                    break;
+                case DtInitArraySize:
+                    if (initArraySize == 0)
+                    {
+                        initArraySize = value;
+                    }
+
+                    break;
+                case DtPreInitArray:
+                    if (preInitArrayOffset == 0)
+                    {
+                        preInitArrayOffset = value;
+                    }
+
+                    break;
+                case DtPreInitArraySize:
+                    if (preInitArraySize == 0)
+                    {
+                        preInitArraySize = value;
+                    }
+
                     break;
                 case DtPltRelSize:
                     if (jmpRelSize == 0)
@@ -1290,11 +1659,16 @@ public sealed class SelfLoader : ISelfLoader
             strTabSize,
             symTabOffset,
             symTabSize,
+            initOffset,
             relaOffset,
             relaSize,
             jmpRelOffset,
             jmpRelSize,
-            pltGotOffset);
+            pltGotOffset,
+            initArrayOffset,
+            initArraySize,
+            preInitArrayOffset,
+            preInitArraySize);
     }
 
     private static bool IsSupportedRelocationType(uint relocationType)
@@ -1512,6 +1886,11 @@ public sealed class SelfLoader : ISelfLoader
         return (byte)(info >> 4);
     }
 
+    private static byte GetSymbolType(byte info)
+    {
+        return (byte)(info & 0x0F);
+    }
+
     private static bool IsFocusRelocationOffset(ulong relocationOffset, ulong imageBase)
     {
         if (relocationOffset >= FocusRelocGuestStart && relocationOffset <= FocusRelocGuestEnd)
@@ -1896,11 +2275,16 @@ public sealed class SelfLoader : ISelfLoader
         ulong StrTabSize,
         ulong SymTabOffset,
         ulong SymTabSize,
+        ulong InitOffset,
         ulong RelaOffset,
         ulong RelaSize,
         ulong JmpRelOffset,
         ulong JmpRelSize,
-        ulong PltGotOffset)
+        ulong PltGotOffset,
+        ulong InitArrayOffset,
+        ulong InitArraySize,
+        ulong PreInitArrayOffset,
+        ulong PreInitArraySize)
     {
         public bool HasImportMetadata =>
             StrTabOffset != 0 &&
@@ -1947,7 +2331,8 @@ public sealed class SelfLoader : ISelfLoader
         long Addend,
         string? ImportNid,
         ulong SymbolValue,
-        RelocationValueKind ValueKind);
+        RelocationValueKind ValueKind,
+        bool IsDataImport);
 
     private enum SelfSegmentResolveStatus
     {

src/SharpEmu.Core/Memory/PhysicalVirtualMemory.cs

@@ -11,6 +11,7 @@ public sealed unsafe class PhysicalVirtualMemory : IVirtualMemory, IDisposable
 {
     private readonly object _gate = new();
     private readonly List<MemoryRegion> _regions = new();
+    private readonly Dictionary<ulong, ProgramHeaderFlags> _pageProtections = new();
     private bool _disposed;
     private const ulong PageSize = 0x1000;
     private const ulong LargeDataReserveThreshold = 0x4000_0000UL; // 1 GiB
@@ -24,6 +25,7 @@ public sealed unsafe class PhysicalVirtualMemory : IVirtualMemory, IDisposable
     private const uint PAGE_EXECUTE_READWRITE = 0x40;
     private const uint PAGE_EXECUTE = 0x10;
     private const uint PAGE_EXECUTE_WRITECOPY = 0x80;
+    private const uint PAGE_NOACCESS = 0x01;
     private const uint PAGE_READWRITE = 0x04;
     private const uint PAGE_READONLY = 0x02;
 
@@ -38,6 +40,9 @@ public sealed unsafe class PhysicalVirtualMemory : IVirtualMemory, IDisposable
     [return: MarshalAs(UnmanagedType.Bool)]
     private static extern bool VirtualProtect(void* lpAddress, nuint dwSize, uint flNewProtect, out uint lpflOldProtect);
 
+    [DllImport("kernel32.dll")]
+    private static extern nuint VirtualQuery(void* lpAddress, out MemoryBasicInformation64 lpBuffer, nuint dwLength);
+
     [DllImport("kernel32.dll")]
     private static extern void FlushInstructionCache(void* hProcess, void* lpBaseAddress, nuint dwSize);
 
@@ -124,7 +129,7 @@ public sealed unsafe class PhysicalVirtualMemory : IVirtualMemory, IDisposable
 
             Console.Error.WriteLine($"[VMEM] Could not allocate at 0x{desiredAddress:X16}, trying any address...");
             result = VirtualAlloc(null, (nuint)alignedSize, allocationType, protection);
-            
+
             if (result == null)
             {
                 if (!executable)
@@ -219,6 +224,7 @@ public sealed unsafe class PhysicalVirtualMemory : IVirtualMemory, IDisposable
                 VirtualFree((void*)region.VirtualAddress, 0, MEM_RELEASE);
             }
             _regions.Clear();
+            _pageProtections.Clear();
         }
     }
 
@@ -264,20 +270,35 @@ public sealed unsafe class PhysicalVirtualMemory : IVirtualMemory, IDisposable
                 NativeMemory.Clear((void*)(virtualAddress + (ulong)fileData.Length), (nuint)zeroFillSize);
             }
 
-            SetProtection(mapStart, mapSize, protection);
+            ApplySegmentProtection(mapStart, mapEnd, protection);
 
             Console.Error.WriteLine($"[VMEM] Mapped segment: 0x{virtualAddress:X16} - 0x{virtualAddress + memorySize:X16} (file: {fileData.Length} bytes, prot: {protection})");
         }
     }
 
+    private void ApplySegmentProtection(ulong mapStart, ulong mapEnd, ProgramHeaderFlags flags)
+    {
+        for (var pageAddress = mapStart; pageAddress < mapEnd; pageAddress += PageSize)
+        {
+            _pageProtections.TryGetValue(pageAddress, out var existingFlags);
+            var mergedFlags = existingFlags | flags;
+            _pageProtections[pageAddress] = mergedFlags;
+            SetProtection(pageAddress, PageSize, mergedFlags);
+        }
+    }
+
     private void SetProtection(ulong address, ulong size, ProgramHeaderFlags flags)
     {
         uint protection;
-        
-        if ((flags & ProgramHeaderFlags.Execute) != 0)
+
+        if (flags == ProgramHeaderFlags.None)
         {
-            protection = (flags & ProgramHeaderFlags.Write) != 0 
-                ? PAGE_EXECUTE_READWRITE 
+            protection = PAGE_NOACCESS;
+        }
+        else if ((flags & ProgramHeaderFlags.Execute) != 0)
+        {
+            protection = (flags & ProgramHeaderFlags.Write) != 0
+                ? PAGE_EXECUTE_READWRITE
                 : PAGE_EXECUTE_READ;
         }
         else if ((flags & ProgramHeaderFlags.Write) != 0)
@@ -309,10 +330,10 @@ public sealed unsafe class PhysicalVirtualMemory : IVirtualMemory, IDisposable
             {
                 var r = _regions[i];
                 snapshot[i] = new VirtualMemoryRegion(
-                    r.VirtualAddress, 
-                    r.Size, 
-                    0, 
-                    r.Size, 
+                    r.VirtualAddress,
+                    r.Size,
+                    0,
+                    r.Size,
                     r.IsExecutable ? ProgramHeaderFlags.Execute | ProgramHeaderFlags.Read : ProgramHeaderFlags.Read);
             }
             return snapshot;
@@ -328,10 +349,33 @@ public sealed unsafe class PhysicalVirtualMemory : IVirtualMemory, IDisposable
                 if (TryResolveRegionOffset(virtualAddress, (ulong)destination.Length, region, out var offset))
                 {
                     var srcPtr = (void*)(region.VirtualAddress + offset);
-                    fixed (byte* destPtr = destination)
+                    if (destination.IsEmpty)
                     {
-                        Buffer.MemoryCopy(srcPtr, destPtr, (nuint)destination.Length, (nuint)destination.Length);
+                        return true;
                     }
+
+                    if (!EnsureRangeCommitted((ulong)srcPtr, (ulong)destination.Length, region))
+                    {
+                        return false;
+                    }
+
+                    if (!TryTemporarilyProtectForRead((ulong)srcPtr, (ulong)destination.Length, region, out var touchedPages))
+                    {
+                        return false;
+                    }
+
+                    try
+                    {
+                        fixed (byte* destPtr = destination)
+                        {
+                            Buffer.MemoryCopy(srcPtr, destPtr, (nuint)destination.Length, (nuint)destination.Length);
+                        }
+                    }
+                    finally
+                    {
+                        RestorePageProtections(touchedPages);
+                    }
+
                     return true;
                 }
             }
@@ -353,6 +397,11 @@ public sealed unsafe class PhysicalVirtualMemory : IVirtualMemory, IDisposable
                         return true;
                     }
 
+                    if (!EnsureRangeCommitted((ulong)destPtr, (ulong)source.Length, region))
+                    {
+                        return false;
+                    }
+
                     if (!VirtualProtect(destPtr, (nuint)source.Length, PAGE_EXECUTE_READWRITE, out var oldProtect))
                     {
                         return false;
@@ -394,7 +443,7 @@ public sealed unsafe class PhysicalVirtualMemory : IVirtualMemory, IDisposable
         {
             foreach (var region in _regions)
             {
-                if (virtualAddress >= region.VirtualAddress && 
+                if (virtualAddress >= region.VirtualAddress &&
                     virtualAddress < region.VirtualAddress + region.Size)
                 {
                     return (void*)virtualAddress;
@@ -458,6 +507,83 @@ public sealed unsafe class PhysicalVirtualMemory : IVirtualMemory, IDisposable
         return protection is PAGE_EXECUTE or PAGE_EXECUTE_READ or PAGE_EXECUTE_READWRITE or PAGE_EXECUTE_WRITECOPY;
     }
 
+    private static uint GetCommitProtection(MemoryRegion region)
+    {
+        return region.IsExecutable ? PAGE_EXECUTE_READWRITE : PAGE_READWRITE;
+    }
+
+    private static unsafe bool EnsureRangeCommitted(ulong address, ulong size, MemoryRegion region)
+    {
+        if (size == 0 || !region.IsReservedOnly)
+        {
+            return true;
+        }
+
+        var startPage = AlignDown(address, PageSize);
+        var endPage = AlignUp(address + size, PageSize);
+        var commitProtection = GetCommitProtection(region);
+
+        for (var pageAddress = startPage; pageAddress < endPage; pageAddress += PageSize)
+        {
+            if (VirtualQuery((void*)pageAddress, out var info, (nuint)sizeof(MemoryBasicInformation64)) == 0)
+            {
+                return false;
+            }
+
+            if (info.State == MEM_COMMIT)
+            {
+                continue;
+            }
+
+            if (info.State != MEM_RESERVE)
+            {
+                return false;
+            }
+
+            if (VirtualAlloc((void*)pageAddress, (nuint)PageSize, MEM_COMMIT, commitProtection) == null)
+            {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    private bool TryTemporarilyProtectForRead(
+        ulong address,
+        ulong size,
+        MemoryRegion region,
+        out List<(ulong Address, uint Protection)> touchedPages)
+    {
+        touchedPages = new List<(ulong Address, uint Protection)>();
+
+        var startPage = AlignDown(address, PageSize);
+        var endPage = AlignUp(address + size, PageSize);
+        var temporaryProtection = region.IsExecutable ? PAGE_EXECUTE_READWRITE : PAGE_READWRITE;
+
+        for (var pageAddress = startPage; pageAddress < endPage; pageAddress += PageSize)
+        {
+            if (!VirtualProtect((void*)pageAddress, (nuint)PageSize, temporaryProtection, out var oldProtection))
+            {
+                RestorePageProtections(touchedPages);
+                touchedPages.Clear();
+                return false;
+            }
+
+            touchedPages.Add((pageAddress, oldProtection));
+        }
+
+        return true;
+    }
+
+    private static void RestorePageProtections(List<(ulong Address, uint Protection)> touchedPages)
+    {
+        foreach (var (pageAddress, protection) in touchedPages)
+        {
+            VirtualProtect((void*)pageAddress, (nuint)PageSize, protection, out _);
+        }
+    }
+
     private static ulong AlignDown(ulong value, ulong alignment)
     {
         var mask = alignment - 1;
@@ -487,4 +613,17 @@ public sealed unsafe class PhysicalVirtualMemory : IVirtualMemory, IDisposable
         public bool IsReservedOnly { get; set; }
         public uint Protection { get; set; }
     }
+
+    private struct MemoryBasicInformation64
+    {
+        public ulong BaseAddress;
+        public ulong AllocationBase;
+        public uint AllocationProtect;
+        public uint Alignment1;
+        public ulong RegionSize;
+        public uint State;
+        public uint Protect;
+        public uint Type;
+        public uint Alignment2;
+    }
 }

src/SharpEmu.Core/Runtime/SharpEmuRuntime.cs

@@ -19,6 +19,8 @@ namespace SharpEmu.Core.Runtime;
 
 public sealed class SharpEmuRuntime : ISharpEmuRuntime
 {
+    private readonly record struct LoadedModuleImage(string Path, SelfImage Image);
+
     private static readonly HashSet<string> PreloadSkipModules = new(StringComparer.OrdinalIgnoreCase)
     {
         "libkernel.prx",
@@ -123,6 +125,8 @@ public sealed class SharpEmuRuntime : ISharpEmuRuntime
 
     public OrbisGen2Result Run(string ebootPath)
     {
+        var normalizedEbootPath = Path.GetFullPath(ebootPath);
+        using var app0Binding = BindApp0Root(normalizedEbootPath);
         Console.Error.WriteLine($"[RUNTIME] Loading: {ebootPath}");
         LastExecutionDiagnostics = null;
         LastExecutionTrace = null;
@@ -130,21 +134,40 @@ public sealed class SharpEmuRuntime : ISharpEmuRuntime
         LastBasicBlockTrace = null;
         LastMilestoneLog = null;
         KernelModuleRegistry.Reset();
-        var image = LoadImage(ebootPath);
-        var normalizedEbootPath = Path.GetFullPath(ebootPath);
+        var image = LoadImage(normalizedEbootPath);
         RegisterLoadedModule(normalizedEbootPath, image, isMain: true, isSystemModule: false);
         KernelRuntimeCompatExports.ConfigureProcessProcParamAddress(image.ProcParamAddress);
         Console.Error.WriteLine($"[RUNTIME] Entry: 0x{image.EntryPoint:X16}");
         var generation = image.ElfHeader.AbiVersion == 2 ? Generation.Gen5 : Generation.Gen4;
         var activeImportStubs = new Dictionary<ulong, string>(image.ImportStubs);
         var activeRuntimeSymbols = new Dictionary<string, ulong>(image.RuntimeSymbols, StringComparer.Ordinal);
-        LoadAdjacentSceModules(ebootPath, activeImportStubs, activeRuntimeSymbols);
         var processImageName = Path.GetFileName(ebootPath);
         if (string.IsNullOrWhiteSpace(processImageName))
         {
             processImageName = "eboot.bin";
         }
 
+        HleDataSymbols.ConfigureProcessImageName(processImageName);
+        MergeKnownHleDataSymbols(activeRuntimeSymbols);
+        var loadedModuleImages = LoadAdjacentSceModules(ebootPath, activeImportStubs, activeRuntimeSymbols);
+        RebindImportedDataSymbols(image, loadedModuleImages, activeRuntimeSymbols);
+        var initializerResult = RunAllInitializers(
+            image,
+            loadedModuleImages,
+            generation,
+            activeImportStubs,
+            activeRuntimeSymbols,
+            processImageName);
+        if (initializerResult is { } failedInitializerResult)
+        {
+            Console.Error.WriteLine($"[RUNTIME] Initializer dispatch failed: {failedInitializerResult}");
+            LastExecutionTrace = _cpuDispatcher.LastImportResolutionTrace;
+            LastMilestoneLog = _cpuDispatcher.LastMilestoneLog;
+            LastSessionSummary = BuildSessionSummary(_cpuDispatcher.LastSessionSummary);
+            LastBasicBlockTrace = _cpuDispatcher.LastBasicBlockTrace;
+            return failedInitializerResult;
+        }
+
         Console.Error.WriteLine($"[RUNTIME] Dispatching, gen: {generation}");
         Console.Error.WriteLine($"[RUNTIME] About to call DispatchEntry with entryPoint=0x{image.EntryPoint:X16}");
 
@@ -328,15 +351,189 @@ public sealed class SharpEmuRuntime : ISharpEmuRuntime
         return result;
     }
 
-    private void LoadAdjacentSceModules(
+    private static App0BindingScope? BindApp0Root(string normalizedEbootPath)
+    {
+        const string app0VariableName = "SHARPEMU_APP0_DIR";
+        if (!string.IsNullOrWhiteSpace(Environment.GetEnvironmentVariable(app0VariableName)))
+        {
+            return null;
+        }
+
+        var app0Root = Path.GetDirectoryName(normalizedEbootPath);
+        if (string.IsNullOrWhiteSpace(app0Root))
+        {
+            return null;
+        }
+
+        Environment.SetEnvironmentVariable(app0VariableName, app0Root);
+        return new App0BindingScope(app0VariableName);
+    }
+
+    private sealed class App0BindingScope(string variableName) : IDisposable
+    {
+        private readonly string _variableName = variableName;
+        private bool _disposed;
+
+        public void Dispose()
+        {
+            if (_disposed)
+            {
+                return;
+            }
+
+            Environment.SetEnvironmentVariable(_variableName, null);
+            _disposed = true;
+        }
+    }
+
+    private OrbisGen2Result? RunAllInitializers(
+        SelfImage mainImage,
+        IReadOnlyList<LoadedModuleImage> loadedModuleImages,
+        Generation generation,
+        IReadOnlyDictionary<ulong, string> activeImportStubs,
+        IReadOnlyDictionary<string, ulong> activeRuntimeSymbols,
+        string processImageName)
+    {
+        var moduleStartResult = RunPreloadedModuleInitializers(
+            loadedModuleImages,
+            generation,
+            activeImportStubs,
+            activeRuntimeSymbols);
+        if (moduleStartResult is not null)
+        {
+            return moduleStartResult;
+        }
+
+        // On current PS5 dumps DT_INIT commonly resolves to imageBase+0x10, which is inside
+        // the mapped ELF header rather than a callable guest routine. Startup must remain
+        // guest-driven until the PS5 init/module ABI is identified precisely.
+        return null;
+    }
+
+    private OrbisGen2Result? RunPreloadedModuleInitializers(
+        IReadOnlyList<LoadedModuleImage> loadedModuleImages,
+        Generation generation,
+        IReadOnlyDictionary<ulong, string> activeImportStubs,
+        IReadOnlyDictionary<string, ulong> activeRuntimeSymbols)
+    {
+        for (var i = 0; i < loadedModuleImages.Count; i++)
+        {
+            var loadedModule = loadedModuleImages[i];
+            var initEntryPoint = loadedModule.Image.InitFunctionEntryPoint;
+            if (initEntryPoint < 0x10000)
+            {
+                continue;
+            }
+
+            var moduleName = Path.GetFileName(loadedModule.Path);
+            if (string.IsNullOrWhiteSpace(moduleName))
+            {
+                moduleName = $"module#{i}";
+            }
+
+            Console.Error.WriteLine(
+                $"[RUNTIME] Starting module {moduleName}: dt_init=0x{initEntryPoint:X16}");
+
+            var result = _cpuDispatcher.DispatchModuleInitializer(
+                initEntryPoint,
+                generation,
+                activeImportStubs,
+                activeRuntimeSymbols,
+                moduleName,
+                _cpuExecutionOptions);
+            if (result != OrbisGen2Result.ORBIS_GEN2_OK)
+            {
+                Console.Error.WriteLine(
+                    $"[RUNTIME] Module start failed: {moduleName} -> {result}");
+                return result;
+            }
+        }
+
+        return null;
+    }
+
+    private OrbisGen2Result? RunImageInitializers(
+        string label,
+        SelfImage image,
+        Generation generation,
+        IReadOnlyDictionary<ulong, string> activeImportStubs,
+        IReadOnlyDictionary<string, ulong> activeRuntimeSymbols,
+        string processImageName)
+    {
+        if (image.PreInitializerFunctions.Count == 0 && image.InitializerFunctions.Count == 0)
+        {
+            return null;
+        }
+
+        Console.Error.WriteLine(
+            $"[RUNTIME] Running initializers for {label}: preinit={image.PreInitializerFunctions.Count}, init={image.InitializerFunctions.Count}");
+
+        var result = RunInitializerList(
+            $"{label}:preinit",
+            image.PreInitializerFunctions,
+            generation,
+            activeImportStubs,
+            activeRuntimeSymbols,
+            processImageName);
+        if (result is not null)
+        {
+            return result;
+        }
+
+        return RunInitializerList(
+            $"{label}:init",
+            image.InitializerFunctions,
+            generation,
+            activeImportStubs,
+            activeRuntimeSymbols,
+            processImageName);
+    }
+
+    private OrbisGen2Result? RunInitializerList(
+        string label,
+        IReadOnlyList<ulong> initializerFunctions,
+        Generation generation,
+        IReadOnlyDictionary<ulong, string> activeImportStubs,
+        IReadOnlyDictionary<string, ulong> activeRuntimeSymbols,
+        string processImageName)
+    {
+        for (var i = 0; i < initializerFunctions.Count; i++)
+        {
+            var initializerAddress = initializerFunctions[i];
+            if (initializerAddress < 0x10000)
+            {
+                continue;
+            }
+
+            Console.Error.WriteLine(
+                $"[RUNTIME]   Initializer {label}[{i}] -> 0x{initializerAddress:X16}");
+
+            var result = _cpuDispatcher.DispatchEntry(
+                initializerAddress,
+                generation,
+                activeImportStubs,
+                activeRuntimeSymbols,
+                processImageName,
+                _cpuExecutionOptions);
+            if (result != OrbisGen2Result.ORBIS_GEN2_OK)
+            {
+                return result;
+            }
+        }
+
+        return null;
+    }
+
+    private List<LoadedModuleImage> LoadAdjacentSceModules(
         string ebootPath,
         IDictionary<ulong, string> importStubs,
         IDictionary<string, ulong> runtimeSymbols)
     {
+        var loadedImages = new List<LoadedModuleImage>();
         var ebootDirectory = Path.GetDirectoryName(ebootPath);
         if (string.IsNullOrWhiteSpace(ebootDirectory))
         {
-            return;
+            return loadedImages;
         }
 
         var moduleDirectories = new[]
@@ -350,7 +547,7 @@ public sealed class SharpEmuRuntime : ISharpEmuRuntime
 
         if (moduleDirectories.Length == 0)
         {
-            return;
+            return loadedImages;
         }
 
         var allModulePaths = moduleDirectories
@@ -380,7 +577,7 @@ public sealed class SharpEmuRuntime : ISharpEmuRuntime
 
         if (modulePaths.Length == 0)
         {
-            return;
+            return loadedImages;
         }
 
         Console.Error.WriteLine($"[RUNTIME] Module search directories: {string.Join(", ", moduleDirectories)}");
@@ -416,6 +613,7 @@ public sealed class SharpEmuRuntime : ISharpEmuRuntime
                 mergedImportCount += MergeImportStubs(importStubs, moduleImage.ImportStubs, modulePath);
                 mergedSymbolCount += MergeRuntimeSymbols(runtimeSymbols, moduleImage.RuntimeSymbols);
                 RegisterLoadedModule(modulePath, moduleImage, isMain: false, isSystemModule: false);
+                loadedImages.Add(new LoadedModuleImage(modulePath, moduleImage));
                 loadedModules++;
 
                 Console.Error.WriteLine(
@@ -430,6 +628,104 @@ public sealed class SharpEmuRuntime : ISharpEmuRuntime
 
         Console.Error.WriteLine(
             $"[RUNTIME] Module preload summary: loaded={loadedModules}, failed={failedModules}, merged_imports={mergedImportCount}, merged_symbols={mergedSymbolCount}");
+        return loadedImages;
+    }
+
+    private void RebindImportedDataSymbols(
+        SelfImage mainImage,
+        IReadOnlyList<LoadedModuleImage> loadedModuleImages,
+        IReadOnlyDictionary<string, ulong> runtimeSymbols)
+    {
+        var rebound = 0;
+        var unresolved = 0;
+
+        rebound += RebindImportedDataSymbols(mainImage, runtimeSymbols, ref unresolved);
+        for (var i = 0; i < loadedModuleImages.Count; i++)
+        {
+            rebound += RebindImportedDataSymbols(loadedModuleImages[i].Image, runtimeSymbols, ref unresolved);
+        }
+
+        if (rebound != 0 || unresolved != 0)
+        {
+            Console.Error.WriteLine(
+                $"[RUNTIME] Imported data rebind: rebound={rebound}, unresolved={unresolved}");
+        }
+    }
+
+    private int RebindImportedDataSymbols(
+        SelfImage image,
+        IReadOnlyDictionary<string, ulong> runtimeSymbols,
+        ref int unresolved)
+    {
+        if (image.ImportedRelocations.Count == 0)
+        {
+            return 0;
+        }
+
+        var rebound = 0;
+        var logRebind = string.Equals(
+            Environment.GetEnvironmentVariable("SHARPEMU_LOG_DATA_REBIND"),
+            "1",
+            StringComparison.Ordinal);
+        for (var i = 0; i < image.ImportedRelocations.Count; i++)
+        {
+            var relocation = image.ImportedRelocations[i];
+            if (!relocation.IsData)
+            {
+                continue;
+            }
+
+            if (!runtimeSymbols.TryGetValue(relocation.Nid, out var symbolAddress) ||
+                !IsUsableRuntimeSymbolAddress(symbolAddress))
+            {
+                if (logRebind)
+                {
+                    Console.Error.WriteLine(
+                        $"[RUNTIME] Imported data unresolved: nid={relocation.Nid} target=0x{relocation.TargetAddress:X16} addend=0x{unchecked((ulong)relocation.Addend):X16}");
+                }
+
+                unresolved++;
+                continue;
+            }
+
+            var reboundValue = AddSigned(symbolAddress, relocation.Addend);
+            if (!TryWriteUInt64(_virtualMemory, relocation.TargetAddress, reboundValue))
+            {
+                if (logRebind)
+                {
+                    Console.Error.WriteLine(
+                        $"[RUNTIME] Imported data write-failed: nid={relocation.Nid} target=0x{relocation.TargetAddress:X16} value=0x{reboundValue:X16}");
+                }
+
+                unresolved++;
+                continue;
+            }
+
+            if (logRebind)
+            {
+                Console.Error.WriteLine(
+                    $"[RUNTIME] Imported data rebound: nid={relocation.Nid} target=0x{relocation.TargetAddress:X16} value=0x{reboundValue:X16}");
+            }
+
+            rebound++;
+        }
+
+        return rebound;
+    }
+
+    private static void MergeKnownHleDataSymbols(IDictionary<string, ulong> runtimeSymbols)
+    {
+        foreach (var nid in HleDataSymbols.EnumerateKnownNids())
+        {
+            if (runtimeSymbols.ContainsKey(nid) ||
+                !HleDataSymbols.TryGetAddress(nid, out var symbolAddress) ||
+                !IsUsableRuntimeSymbolAddress(symbolAddress))
+            {
+                continue;
+            }
+
+            runtimeSymbols[nid] = symbolAddress;
+        }
     }
 
     private static int MergeImportStubs(
@@ -498,6 +794,24 @@ public sealed class SharpEmuRuntime : ISharpEmuRuntime
         return address >= 0x10000 && !IsUnresolvedRuntimeSentinel(address);
     }
 
+    private static bool TryWriteUInt64(IVirtualMemory virtualMemory, ulong address, ulong value)
+    {
+        Span<byte> bytes = stackalloc byte[sizeof(ulong)];
+        BinaryPrimitives.WriteUInt64LittleEndian(bytes, value);
+        return virtualMemory.TryWrite(address, bytes);
+    }
+
+    private static ulong AddSigned(ulong value, long addend)
+    {
+        if (addend >= 0)
+        {
+            return unchecked(value + (ulong)addend);
+        }
+
+        var magnitude = unchecked((ulong)(-(addend + 1))) + 1;
+        return unchecked(value - magnitude);
+    }
+
     private static bool IsUnresolvedRuntimeSentinel(ulong value)
     {
         return value == 0xFFFEUL ||

src/SharpEmu.HLE/HleDataSymbols.cs

@@ -0,0 +1,130 @@
+// Copyright (C) 2026 SharpEmu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+using System.Runtime.InteropServices;
+using System.Text;
+
+namespace SharpEmu.HLE;
+
+public static class HleDataSymbols
+{
+    private const string StackChkGuardNid = "f7uOxY9mM1U";
+    private const string ProgNameNid = "djxxOmW6-aw";
+    private const string LibcNeedFlagNid = "P330P3dFF68";
+    private const string LibcInternalNeedFlagNid = "ZT4ODD2Ts9o";
+    private const int ProgNameMaxBytes = 511;
+    private const ulong StackChkGuardValue = 0xC0DEC0DECAFEBABEUL;
+
+    private static readonly object _gate = new();
+    private static readonly nint _stackChkGuardAddress = Allocate(sizeof(ulong) * 2);
+    private static readonly nint _progNameBufferAddress = Allocate(ProgNameMaxBytes + 1);
+    private static readonly nint _progNamePointerAddress = Allocate(nint.Size);
+    private static readonly nint _libcNeedFlagAddress = Allocate(sizeof(uint));
+    private static readonly nint _libcInternalNeedFlagAddress = Allocate(sizeof(uint));
+
+    static HleDataSymbols()
+    {
+        if (_stackChkGuardAddress != 0)
+        {
+            Marshal.WriteInt64(_stackChkGuardAddress, unchecked((long)StackChkGuardValue));
+            Marshal.WriteInt64(
+                IntPtr.Add(_stackChkGuardAddress, sizeof(ulong)),
+                unchecked((long)StackChkGuardValue));
+        }
+
+        if (_libcNeedFlagAddress != 0)
+        {
+            Marshal.WriteInt32(_libcNeedFlagAddress, 1);
+        }
+
+        if (_libcInternalNeedFlagAddress != 0)
+        {
+            Marshal.WriteInt32(_libcInternalNeedFlagAddress, 1);
+        }
+
+        ConfigureProcessImageName("eboot.bin");
+    }
+
+    public static IEnumerable<string> EnumerateKnownNids()
+    {
+        yield return StackChkGuardNid;
+        yield return ProgNameNid;
+        yield return LibcNeedFlagNid;
+        yield return LibcInternalNeedFlagNid;
+    }
+
+    public static void ConfigureProcessImageName(string? processImageName)
+    {
+        var effectiveName = string.IsNullOrWhiteSpace(processImageName)
+            ? "eboot.bin"
+            : processImageName;
+        var encodedName = Encoding.UTF8.GetBytes(effectiveName);
+        var byteCount = Math.Min(encodedName.Length, ProgNameMaxBytes);
+
+        lock (_gate)
+        {
+            if (_progNameBufferAddress == 0 || _progNamePointerAddress == 0)
+            {
+                return;
+            }
+
+            for (var i = 0; i <= ProgNameMaxBytes; i++)
+            {
+                Marshal.WriteByte(_progNameBufferAddress, i, 0);
+            }
+
+            Marshal.Copy(encodedName, 0, _progNameBufferAddress, byteCount);
+            WritePointer(_progNamePointerAddress, _progNameBufferAddress);
+        }
+    }
+
+    public static bool TryGetAddress(string nid, out ulong address)
+    {
+        var pointer = nid switch
+        {
+            StackChkGuardNid => _stackChkGuardAddress,
+            ProgNameNid => _progNamePointerAddress,
+            LibcNeedFlagNid => _libcNeedFlagAddress,
+            LibcInternalNeedFlagNid => _libcInternalNeedFlagAddress,
+            _ => 0,
+        };
+
+        if (pointer == 0)
+        {
+            address = 0;
+            return false;
+        }
+
+        address = unchecked((ulong)pointer);
+        return true;
+    }
+
+    private static nint Allocate(int size)
+    {
+        try
+        {
+            var memory = Marshal.AllocHGlobal(size);
+            for (var i = 0; i < size; i++)
+            {
+                Marshal.WriteByte(memory, i, 0);
+            }
+
+            return memory;
+        }
+        catch
+        {
+            return 0;
+        }
+    }
+
+    private static void WritePointer(nint target, nint value)
+    {
+        if (nint.Size == sizeof(int))
+        {
+            Marshal.WriteInt32(target, value.ToInt32());
+            return;
+        }
+
+        Marshal.WriteInt64(target, value.ToInt64());
+    }
+}

src/SharpEmu.HLE/IModuleManager.cs

@@ -17,5 +17,7 @@ public interface IModuleManager
 
     bool TryGetExportByName(string exportName, out ExportedFunction export);
 
+    bool TryDispatch(string nid, CpuContext context, out OrbisGen2Result result);
+
     OrbisGen2Result Dispatch(string nid, CpuContext context);
 }

src/SharpEmu.HLE/ModuleManager.cs

@@ -93,6 +93,12 @@ public sealed class ModuleManager : IModuleManager
     }
 
     public OrbisGen2Result Dispatch(string nid, CpuContext context)
+    {
+        TryDispatch(nid, context, out var result);
+        return result;
+    }
+
+    public bool TryDispatch(string nid, CpuContext context, out OrbisGen2Result result)
     {
         ArgumentException.ThrowIfNullOrWhiteSpace(nid);
         ArgumentNullException.ThrowIfNull(context);
@@ -100,13 +106,15 @@ public sealed class ModuleManager : IModuleManager
         if (!_dispatchTable.TryGetValue(nid, out var function) || !_exportTable.TryGetValue(nid, out var export))
         {
             context[CpuRegister.Rax] = unchecked((ulong)(int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND);
-            return OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND;
+            result = OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND;
+            return false;
         }
 
         if ((export.Target & context.TargetGeneration) == 0)
         {
             context[CpuRegister.Rax] = unchecked((ulong)(int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND);
-            return OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND;
+            result = OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND;
+            return false;
         }
 
         context.ClearRaxWriteFlag();
@@ -117,7 +125,8 @@ public sealed class ModuleManager : IModuleManager
             context[CpuRegister.Rax] = unchecked((ulong)ret);
         }
 
-        return (OrbisGen2Result)ret;
+        result = (OrbisGen2Result)ret;
+        return true;
     }
 
     private static Delegate CreateHandler(Type ownerType, MethodInfo method, IDictionary<Type, object> instances)

src/SharpEmu.HLE/OrbisGen2Result.cs

@@ -15,6 +15,11 @@ public enum OrbisGen2Result : int
     /// </summary>
     ORBIS_GEN2_OK = 0,
 
+    /// <summary>
+    /// Indicates that the operation is not permitted for the calling thread.
+    /// </summary>
+    ORBIS_GEN2_ERROR_PERMISSION_DENIED = unchecked((int)0x80020001),
+
     /// <summary>
     /// Indicates that the requested export was not found.
     /// </summary>
@@ -30,11 +35,31 @@ public enum OrbisGen2Result : int
     /// </summary>
     ORBIS_GEN2_ERROR_ALREADY_EXISTS = unchecked((int)0x80020004),
 
+    /// <summary>
+    /// Indicates that completing the operation would deadlock.
+    /// </summary>
+    ORBIS_GEN2_ERROR_DEADLOCK = unchecked((int)0x8002000B),
+
+    /// <summary>
+    /// Indicates that the target resource is busy.
+    /// </summary>
+    ORBIS_GEN2_ERROR_BUSY = unchecked((int)0x80020010),
+
+    /// <summary>
+    /// Indicates that the operation should be retried later.
+    /// </summary>
+    ORBIS_GEN2_ERROR_TRY_AGAIN = unchecked((int)0x80020023),
+
     /// <summary>
     /// Indicates that behavior is recognized but not implemented yet.
     /// </summary>
     ORBIS_GEN2_ERROR_NOT_IMPLEMENTED = unchecked((int)0x8002FFFF),
 
+    /// <summary>
+    /// Indicates that the operation timed out.
+    /// </summary>
+    ORBIS_GEN2_ERROR_TIMED_OUT = unchecked((int)0x8002003C),
+
     /// <summary>
     /// Indicates that memory access failed.
     /// </summary>

src/SharpEmu.Libs/AppContent/AppContentExports.cs

@@ -2,11 +2,41 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 using SharpEmu.HLE;
+using System.Buffers.Binary;
+using System.Text;
 
 namespace SharpEmu.Libs.AppContent;
 
 public static class AppContentExports
 {
+    private const ulong BootParamAttrOffset = 4;
+    private const string Temp0MountPoint = "/temp0";
+
+    [SysAbiExport(
+        Nid = "R9lA82OraNs",
+        ExportName = "sceAppContentInitialize",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceAppContent")]
+    public static int AppContentInitialize(CpuContext ctx)
+    {
+        var initParamAddress = ctx[CpuRegister.Rdi];
+        var bootParamAddress = ctx[CpuRegister.Rsi];
+        if (initParamAddress == 0 || bootParamAddress == 0)
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
+        }
+
+        Span<byte> attrBytes = stackalloc byte[sizeof(uint)];
+        BinaryPrimitives.WriteUInt32LittleEndian(attrBytes, 0);
+        if (!ctx.Memory.TryWrite(bootParamAddress + BootParamAttrOffset, attrBytes))
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        ctx[CpuRegister.Rax] = 0;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
     [SysAbiExport(
         Nid = "xnd8BJzAxmk",
         ExportName = "sceAppContentGetAddcontInfoList",
@@ -14,7 +44,67 @@ public static class AppContentExports
         LibraryName = "libSceAppContent")]
     public static int AppContentGetAddcontInfoList(CpuContext ctx)
     {
-        _ = ctx;
+        var hitCountAddress = ctx[CpuRegister.Rcx];
+        if (hitCountAddress != 0)
+        {
+            Span<byte> hitCountBytes = stackalloc byte[sizeof(uint)];
+            BinaryPrimitives.WriteUInt32LittleEndian(hitCountBytes, 0);
+            if (!ctx.Memory.TryWrite(hitCountAddress, hitCountBytes))
+            {
+                return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+            }
+        }
+
+        ctx[CpuRegister.Rax] = 0;
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
+
+    [SysAbiExport(
+        Nid = "buYbeLOGWmA",
+        ExportName = "sceAppContentTemporaryDataMount2",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceAppContent")]
+    public static int AppContentTemporaryDataMount2(CpuContext ctx)
+    {
+        var mountPointAddress = ctx[CpuRegister.Rsi];
+        if (mountPointAddress == 0)
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
+        }
+
+        Directory.CreateDirectory(ResolveTemp0Root());
+        var mountPointBytes = Encoding.ASCII.GetBytes($"{Temp0MountPoint}\0");
+        if (!ctx.Memory.TryWrite(mountPointAddress, mountPointBytes))
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        ctx[CpuRegister.Rax] = 0;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    private static string ResolveTemp0Root()
+    {
+        const string temp0VariableName = "SHARPEMU_TEMP0_DIR";
+        var configuredRoot = Environment.GetEnvironmentVariable(temp0VariableName);
+        if (!string.IsNullOrWhiteSpace(configuredRoot))
+        {
+            return Path.GetFullPath(configuredRoot);
+        }
+
+        var app0Root = Environment.GetEnvironmentVariable("SHARPEMU_APP0_DIR");
+        var appName = string.IsNullOrWhiteSpace(app0Root)
+            ? "default"
+            : Path.GetFileName(Path.TrimEndingDirectorySeparator(app0Root));
+        if (string.IsNullOrWhiteSpace(appName))
+        {
+            appName = "default";
+        }
+
+        var invalidChars = Path.GetInvalidFileNameChars();
+        appName = new string(appName.Select(ch => invalidChars.Contains(ch) ? '_' : ch).ToArray());
+        var root = Path.Combine(Path.GetTempPath(), "SharpEmu", appName, "temp0");
+        Environment.SetEnvironmentVariable(temp0VariableName, root);
+        return root;
+    }
 }

src/SharpEmu.Libs/CxxAbiExports.cs

@@ -10,9 +10,14 @@ namespace SharpEmu.Libs.CxxAbi;
 
 public static class CxaGuardExports
 {
+    private const ulong GuardCompleteValue = 0x0000_0000_0000_0001;
+    private const ulong GuardPendingValue = 0x0000_0000_0000_0100;
+    private const ulong GuardStateMask = 0x0000_0000_0000_FFFF;
+
     private sealed class GuardState
     {
         public int OwnerThreadId { get; set; }
+        public int RecursionDepth { get; set; }
     }
 
     private static readonly ConcurrentDictionary<ulong, GuardState> _inProgress = new();
@@ -35,13 +40,13 @@ public static class CxaGuardExports
         var spinner = new SpinWait();
         while (true)
         {
-            if (!TryReadGuardInitialized(ctx, guardPtr, out var initialized))
+            if (!TryReadGuardState(ctx, guardPtr, out _, out var initialized, out var inProgress))
             {
                 ctx[CpuRegister.Rax] = 0;
                 return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
             }
 
-            LogGuardState(ctx, "guard_acquire", guardPtr, initialized);
+            LogGuardState(ctx, "guard_acquire", guardPtr, initialized, inProgress);
 
             if (initialized)
             {
@@ -53,9 +58,17 @@ public static class CxaGuardExports
             var newState = new GuardState
             {
                 OwnerThreadId = currentThreadId,
+                RecursionDepth = 1,
             };
             if (_inProgress.TryAdd(guardPtr, newState))
             {
+                if (!TryWriteGuardState(ctx, guardPtr, GuardPendingValue))
+                {
+                    _inProgress.TryRemove(guardPtr, out _);
+                    ctx[CpuRegister.Rax] = 0;
+                    return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+                }
+
                 ctx[CpuRegister.Rax] = 1;
                 LogGuardResult("guard_acquire", guardPtr, result: 1, initialized, inProgress: true, ownerThreadId: currentThreadId);
                 return (int)OrbisGen2Result.ORBIS_GEN2_OK;
@@ -101,14 +114,28 @@ public static class CxaGuardExports
             return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
         }
 
-        if (!TryWriteGuardInitialized(ctx, guardPtr, initialized: true))
+        if (state is not null)
+        {
+            lock (state)
+            {
+                if (state.RecursionDepth > 1)
+                {
+                    state.RecursionDepth--;
+                    ctx[CpuRegister.Rax] = 0;
+                    LogGuardResult("guard_release", guardPtr, result: 0, initialized: false, inProgress: true, ownerThreadId: state.OwnerThreadId);
+                    return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+                }
+            }
+        }
+
+        if (!TryWriteGuardState(ctx, guardPtr, GuardCompleteValue))
         {
             ctx[CpuRegister.Rax] = 0;
             return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
         }
 
         _inProgress.TryRemove(guardPtr, out _);
-        LogGuardState(ctx, "guard_release", guardPtr, initialized: true);
+        LogGuardState(ctx, "guard_release", guardPtr, initialized: true, inProgress: false);
 
         ctx[CpuRegister.Rax] = 0;
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
@@ -136,60 +163,50 @@ public static class CxaGuardExports
             return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
         }
 
-        _ = TryWriteGuardInitialized(ctx, guardPtr, initialized: false);
+        _ = TryWriteGuardState(ctx, guardPtr, 0);
         _inProgress.TryRemove(guardPtr, out _);
-        LogGuardState(ctx, "guard_abort", guardPtr, initialized: false);
+        LogGuardState(ctx, "guard_abort", guardPtr, initialized: false, inProgress: false);
 
         ctx[CpuRegister.Rax] = 0;
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
-    private static bool TryReadGuardInitialized(CpuContext ctx, ulong guardPtr, out bool initialized)
+    private static bool TryReadGuardState(CpuContext ctx, ulong guardPtr, out ulong word, out bool initialized, out bool inProgress)
     {
+        word = 0;
         initialized = false;
-
-        var aligned = guardPtr & ~7UL;
-        var shift = (int)((guardPtr & 7UL) * 8);
-
-        if (!ctx.TryReadUInt64(aligned, out var word))
+        inProgress = false;
+        if (!ctx.TryReadUInt64(guardPtr, out word))
         {
             return false;
         }
 
-        var b0 = (byte)((word >> shift) & 0xFF);
-        initialized = (b0 & 0x01) != 0;
+        initialized = (word & GuardCompleteValue) != 0;
+        inProgress = (word & 0x0000_0000_0000_FF00) != 0;
         return true;
     }
 
-    private static bool TryWriteGuardInitialized(CpuContext ctx, ulong guardPtr, bool initialized)
+    private static bool TryWriteGuardState(CpuContext ctx, ulong guardPtr, ulong stateValue)
     {
-        var aligned = guardPtr & ~7UL;
-        var shift = (int)((guardPtr & 7UL) * 8);
-        var mask = 0xFFUL << shift;
-
-        if (!ctx.TryReadUInt64(aligned, out var word))
+        if (!ctx.TryReadUInt64(guardPtr, out var word))
         {
             return false;
         }
 
-        var b0 = (byte)((word >> shift) & 0xFF);
-        b0 = initialized ? (byte)(b0 | 0x01) : (byte)(b0 & ~0x01);
-
-        var newWord = (word & ~mask) | ((ulong)b0 << shift);
-        return ctx.TryWriteUInt64(aligned, newWord);
+        var newWord = (word & ~GuardStateMask) | (stateValue & GuardStateMask);
+        return ctx.TryWriteUInt64(guardPtr, newWord);
     }
 
-    private static void LogGuardState(CpuContext ctx, string op, ulong guardPtr, bool initialized)
+    private static void LogGuardState(CpuContext ctx, string op, ulong guardPtr, bool initialized, bool inProgress)
     {
         if (!string.Equals(Environment.GetEnvironmentVariable("SHARPEMU_LOG_GUARDS"), "1", StringComparison.Ordinal))
         {
             return;
         }
 
-        var aligned = guardPtr & ~7UL;
-        var readable = ctx.TryReadUInt64(aligned, out var word);
+        var readable = ctx.TryReadUInt64(guardPtr, out var word);
         Console.Error.WriteLine(
-            $"[LOADER][TRACE] {op}: guard=0x{guardPtr:X16} aligned=0x{aligned:X16} init={initialized} word={(readable ? $"0x{word:X16}" : "<unreadable>")}");
+            $"[LOADER][TRACE] {op}: guard=0x{guardPtr:X16} init={initialized} in_progress={inProgress} word={(readable ? $"0x{word:X16}" : "<unreadable>")}");
     }
 
     private static void LogGuardResult(string op, ulong guardPtr, int result, bool initialized, bool inProgress, int ownerThreadId)

src/SharpEmu.Libs/Kernel/KernelExports.cs

@@ -8,10 +8,12 @@ namespace SharpEmu.Libs.Kernel;
 
 public static class KernelExports
 {
-    private static long _nextThreadId = 1;
     private static int _nextFileDescriptor = 2;
     private static readonly object _cxaGate = new();
     private static readonly List<CxaDestructorEntry> _cxaDestructors = new();
+    private static readonly object _coredumpGate = new();
+    private static ulong _coredumpHandler;
+    private static ulong _coredumpHandlerContext;
 
     private readonly record struct CxaDestructorEntry(
         ulong Function,
@@ -29,6 +31,23 @@ public static class KernelExports
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
+    [SysAbiExport(
+        Nid = "8zLSfEfW5AU",
+        ExportName = "sceCoredumpRegisterCoredumpHandler",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceCoredump")]
+    public static int CoredumpRegisterHandler(CpuContext ctx)
+    {
+        lock (_coredumpGate)
+        {
+            _coredumpHandler = ctx[CpuRegister.Rdi];
+            _coredumpHandlerContext = ctx[CpuRegister.Rsi];
+        }
+
+        ctx[CpuRegister.Rax] = 0;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
     [SysAbiExport(
         Nid = "uMei1W9uyNo",
         ExportName = "exit",
@@ -175,12 +194,24 @@ public static class KernelExports
     public static int PthreadCreate(CpuContext ctx)
     {
         var threadIdAddress = ctx[CpuRegister.Rdi];
-        var nextThreadId = unchecked((ulong)Interlocked.Increment(ref _nextThreadId));
-        if (threadIdAddress != 0 && !ctx.TryWriteUInt64(threadIdAddress, nextThreadId))
+        var attrAddress = ctx[CpuRegister.Rsi];
+        var entryAddress = ctx[CpuRegister.Rdx];
+        var argument = ctx[CpuRegister.Rcx];
+        var nameAddress = ctx[CpuRegister.R8];
+        var name = nameAddress == 0 ? string.Empty : ReadCString(ctx, nameAddress, 256);
+        var threadHandle = KernelPthreadState.CreateThreadHandle(name);
+        if (threadIdAddress != 0 && !ctx.TryWriteUInt64(threadIdAddress, threadHandle))
         {
             return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
         }
 
+        if (ShouldTracePthread())
+        {
+            Console.Error.WriteLine(
+                $"[LOADER][TRACE] pthread_create: out=0x{threadIdAddress:X16} attr=0x{attrAddress:X16} entry=0x{entryAddress:X16} arg=0x{argument:X16} name_ptr=0x{nameAddress:X16} name='{name}' -> thread=0x{threadHandle:X16}");
+        }
+
+        ctx[CpuRegister.Rax] = 0;
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
@@ -201,12 +232,20 @@ public static class KernelExports
         LibraryName = "libKernel")]
     public static int PthreadJoin(CpuContext ctx)
     {
+        var threadId = ctx[CpuRegister.Rdi];
         var returnValueAddress = ctx[CpuRegister.Rsi];
         if (returnValueAddress != 0 && !ctx.TryWriteUInt64(returnValueAddress, 0))
         {
             return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
         }
 
+        if (ShouldTracePthread())
+        {
+            Console.Error.WriteLine(
+                $"[LOADER][TRACE] pthread_join: thread=0x{threadId:X16} retval_out=0x{returnValueAddress:X16}");
+        }
+
+        ctx[CpuRegister.Rax] = 0;
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
@@ -251,84 +290,17 @@ public static class KernelExports
     {
         ulong fmtPtr = ctx[CpuRegister.Rdi];
         string fmt = ReadCString(ctx, fmtPtr, 4096);
-
-        ulong[] args =
+        string outStr = KernelMemoryCompatExports.FormatStringFromVarArgs(ctx, fmt, firstGpArgIndex: 1);
+        if (outStr.EndsWith('\n') || outStr.EndsWith('\r'))
         {
-        ctx[CpuRegister.Rsi],
-        ctx[CpuRegister.Rdx],
-        ctx[CpuRegister.Rcx],
-        ctx[CpuRegister.R8],
-        ctx[CpuRegister.R9],
-    };
-
-        int argIndex = 0;
-        var sb = new System.Text.StringBuilder(fmt.Length + 64);
-
-        for (int i = 0; i < fmt.Length; i++)
+            Console.Write($"[DEBUG][PRINF] {outStr}");
+        }
+        else
         {
-            char ch = fmt[i];
-            if (ch != '%')
-            {
-                sb.Append(ch);
-                continue;
-            }
-
-            if (i + 1 < fmt.Length && fmt[i + 1] == '%')
-            {
-                sb.Append('%');
-                i++;
-                continue;
-            }
-
-            int j = i + 1;
-            while (j < fmt.Length && "-+ #0".IndexOf(fmt[j]) >= 0) j++;
-            while (j < fmt.Length && char.IsDigit(fmt[j])) j++;
-
-            if (j < fmt.Length && fmt[j] == '.')
-            {
-                j++;
-                while (j < fmt.Length && char.IsDigit(fmt[j])) j++;
-            }
-
-            if (j >= fmt.Length) break;
-            char spec = fmt[j];
-            i = j;
-
-            ulong a = argIndex < args.Length ? args[argIndex++] : 0;
-
-            switch (spec)
-            {
-                case 's':
-                    sb.Append(a == 0 ? "(null)" : ReadCString(ctx, a, 4096));
-                    break;
-
-                case 'd':
-                case 'i':
-                    sb.Append(unchecked((int)a));
-                    break;
-
-                case 'u':
-                    sb.Append(unchecked((uint)a));
-                    break;
-
-                case 'x':
-                    sb.Append(unchecked((uint)a).ToString("x"));
-                    break;
-
-                case 'p':
-                    sb.Append("0x").Append(a.ToString("x16"));
-                    break;
-
-                default:
-                    sb.Append('%').Append(spec);
-                    break;
-            }
+            Console.WriteLine($"[DEBUG][PRINF] {outStr}");
         }
 
-        string outStr = sb.ToString();
-        Console.WriteLine($"[DEBUG][PRINF] {outStr}");
-
-        ctx[CpuRegister.Rax] = (ulong)outStr.Length;
+        ctx[CpuRegister.Rax] = (ulong)System.Text.Encoding.UTF8.GetByteCount(outStr);
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
@@ -370,4 +342,9 @@ public static class KernelExports
         try { return System.Text.Encoding.UTF8.GetString(buf.Slice(0, len)); }
         catch { return System.Text.Encoding.ASCII.GetString(buf.Slice(0, len)); }
     }
+
+    private static bool ShouldTracePthread()
+    {
+        return string.Equals(Environment.GetEnvironmentVariable("SHARPEMU_LOG_PTHREADS"), "1", StringComparison.Ordinal);
+    }
 }

src/SharpEmu.Libs/Kernel/KernelPthreadCompatExports.cs

@@ -3,39 +3,44 @@
 
 using SharpEmu.HLE;
 using System.Threading;
+using System.Diagnostics.CodeAnalysis;
 
 namespace SharpEmu.Libs.Kernel;
 
 public static class KernelPthreadCompatExports
 {
-    private const int MutexTypeNormal = 0;
-    private const int MutexTypeRecursive = 1;
+    private const int MutexTypeDefault = 1;
+    private const int MutexTypeErrorCheck = 1;
+    private const int MutexTypeRecursive = 2;
+    private const int MutexTypeNormal = 3;
+    private const int MutexTypeAdaptiveNp = 4;
+    private const ulong StaticAdaptiveMutexInitializer = 1;
     private const ulong SyntheticMutexHandleBase = 0x00006000_0000_0000;
     private const ulong SyntheticMutexAttrHandleBase = 0x00006001_0000_0000;
+    private const ulong SyntheticCondHandleBase = 0x00006002_0000_0000;
 
     private static readonly object _stateGate = new();
     private static readonly Dictionary<ulong, PthreadMutexState> _mutexStates = new();
     private static readonly Dictionary<ulong, PthreadMutexAttrState> _mutexAttrStates = new();
     private static readonly Dictionary<ulong, PthreadCondState> _condStates = new();
     private static readonly HashSet<ulong> _condAttrStates = new();
-    private static long _nextSyntheticThreadId = 1;
     private static long _nextSyntheticMutexHandleId = 1;
     private static long _nextSyntheticMutexAttrHandleId = 1;
-    [ThreadStatic]
-    private static ulong _currentThreadId;
+    private static long _nextSyntheticCondHandleId = 1;
 
     private sealed class PthreadMutexState
     {
         public SemaphoreSlim Semaphore { get; } = new(1, 1);
         public ulong OwnerThreadId { get; set; }
         public int RecursionCount { get; set; }
-        public int Type { get; set; } = MutexTypeNormal;
+        public int Type { get; set; } = MutexTypeDefault;
         public int Protocol { get; set; }
     }
 
     private sealed class PthreadCondState
     {
-        public int PendingSignals { get; set; }
+        public object SyncRoot { get; } = new();
+        public ulong SignalEpoch { get; set; }
         public int Waiters { get; set; }
     }
 
@@ -48,9 +53,9 @@ public static class KernelPthreadCompatExports
         LibraryName = "libKernel")]
     public static int PthreadSelf(CpuContext ctx)
     {
-        var currentThreadId = GetCurrentThreadId();
-        ctx[CpuRegister.Rax] = currentThreadId;
-        TracePthreadSelf(ctx, currentThreadId);
+        var currentThreadHandle = KernelPthreadState.GetCurrentThreadHandle();
+        ctx[CpuRegister.Rax] = currentThreadHandle;
+        TracePthreadSelf(ctx, currentThreadHandle);
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
@@ -84,18 +89,14 @@ public static class KernelPthreadCompatExports
         ExportName = "scePthreadGetthreadid",
         Target = Generation.Gen4 | Generation.Gen5,
         LibraryName = "libKernel")]
-    public static int PthreadGetthreadid(CpuContext ctx)
-    {
-        var currentThreadId = GetCurrentThreadId();
-        var outAddress = ctx[CpuRegister.Rdi];
-        if (outAddress != 0 && !ctx.TryWriteUInt64(outAddress, currentThreadId))
-        {
-            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
-        }
+    public static int PthreadGetthreadid(CpuContext ctx) => PthreadGetthreadidCore(ctx);
 
-        ctx[CpuRegister.Rax] = currentThreadId;
-        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
-    }
+    [SysAbiExport(
+        Nid = "3eqs37G74-s",
+        ExportName = "pthread_getthreadid_np",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libKernel")]
+    public static int PosixPthreadGetthreadidNp(CpuContext ctx) => PthreadGetthreadidCore(ctx);
 
     [SysAbiExport(
         Nid = "cmo1RIYva9o",
@@ -167,6 +168,12 @@ public static class KernelPthreadCompatExports
         LibraryName = "libKernel")]
     public static int PosixPthreadMutexUnlock(CpuContext ctx) => PthreadMutexUnlockCore(ctx, ctx[CpuRegister.Rdi], requireOwner: true);
 
+    private static int PthreadGetthreadidCore(CpuContext ctx)
+    {
+        ctx[CpuRegister.Rax] = KernelPthreadState.GetCurrentThreadUniqueId();
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
     [SysAbiExport(
         Nid = "F8bUHwAG284",
         ExportName = "scePthreadMutexattrInit",
@@ -216,19 +223,26 @@ public static class KernelPthreadCompatExports
         LibraryName = "libKernel")]
     public static int PosixPthreadMutexattrSettype(CpuContext ctx) => PthreadMutexattrSettypeCore(ctx, ctx[CpuRegister.Rdi], unchecked((int)ctx[CpuRegister.Rsi]));
 
+    [SysAbiExport(
+        Nid = "5txKfcMUAok",
+        ExportName = "pthread_mutexattr_setprotocol",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libKernel")]
+    public static int PosixPthreadMutexattrSetprotocol(CpuContext ctx) => PthreadMutexattrSetprotocolCore(ctx, ctx[CpuRegister.Rdi], unchecked((int)ctx[CpuRegister.Rsi]));
+
     [SysAbiExport(
         Nid = "2Tb92quprl0",
         ExportName = "scePthreadCondInit",
         Target = Generation.Gen4 | Generation.Gen5,
         LibraryName = "libKernel")]
-    public static int PthreadCondInit(CpuContext ctx) => PthreadCondInitCore(ctx[CpuRegister.Rdi]);
+    public static int PthreadCondInit(CpuContext ctx) => PthreadCondInitCore(ctx, ctx[CpuRegister.Rdi]);
 
     [SysAbiExport(
         Nid = "g+PZd2hiacg",
         ExportName = "scePthreadCondDestroy",
         Target = Generation.Gen4 | Generation.Gen5,
         LibraryName = "libKernel")]
-    public static int PthreadCondDestroy(CpuContext ctx) => PthreadCondDestroyCore(ctx[CpuRegister.Rdi]);
+    public static int PthreadCondDestroy(CpuContext ctx) => PthreadCondDestroyCore(ctx, ctx[CpuRegister.Rdi]);
 
     [SysAbiExport(
         Nid = "WKAXJ4XBPQ4",
@@ -242,21 +256,21 @@ public static class KernelPthreadCompatExports
         ExportName = "scePthreadCondTimedwait",
         Target = Generation.Gen4 | Generation.Gen5,
         LibraryName = "libKernel")]
-    public static int PthreadCondTimedwait(CpuContext ctx) => PthreadCondWaitCore(ctx, ctx[CpuRegister.Rdi], ctx[CpuRegister.Rsi], timed: true);
+    public static int PthreadCondTimedwait(CpuContext ctx) => PthreadCondWaitCore(ctx, ctx[CpuRegister.Rdi], ctx[CpuRegister.Rsi], timed: true, timeoutUsec: unchecked((uint)ctx[CpuRegister.Rdx]));
 
     [SysAbiExport(
         Nid = "kDh-NfxgMtE",
         ExportName = "scePthreadCondSignal",
         Target = Generation.Gen4 | Generation.Gen5,
         LibraryName = "libKernel")]
-    public static int PthreadCondSignal(CpuContext ctx) => PthreadCondSignalCore(ctx[CpuRegister.Rdi], broadcast: false);
+    public static int PthreadCondSignal(CpuContext ctx) => PthreadCondSignalCore(ctx, ctx[CpuRegister.Rdi], broadcast: false);
 
     [SysAbiExport(
         Nid = "JGgj7Uvrl+A",
         ExportName = "scePthreadCondBroadcast",
         Target = Generation.Gen4 | Generation.Gen5,
         LibraryName = "libKernel")]
-    public static int PthreadCondBroadcast(CpuContext ctx) => PthreadCondSignalCore(ctx[CpuRegister.Rdi], broadcast: true);
+    public static int PthreadCondBroadcast(CpuContext ctx) => PthreadCondSignalCore(ctx, ctx[CpuRegister.Rdi], broadcast: true);
 
     [SysAbiExport(
         Nid = "Op8TBGY5KHg",
@@ -270,7 +284,7 @@ public static class KernelPthreadCompatExports
         ExportName = "pthread_cond_broadcast",
         Target = Generation.Gen4 | Generation.Gen5,
         LibraryName = "libKernel")]
-    public static int PosixPthreadCondBroadcast(CpuContext ctx) => PthreadCondSignalCore(ctx[CpuRegister.Rdi], broadcast: true);
+    public static int PosixPthreadCondBroadcast(CpuContext ctx) => PthreadCondSignalCore(ctx, ctx[CpuRegister.Rdi], broadcast: true);
 
     [SysAbiExport(
         Nid = "m5-2bsNfv7s",
@@ -363,6 +377,7 @@ public static class KernelPthreadCompatExports
             return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND;
         }
 
+        _ = ctx.TryWriteUInt64(mutexAddress, 0);
         state.Semaphore.Dispose();
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
@@ -374,23 +389,13 @@ public static class KernelPthreadCompatExports
             return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
         }
 
-        var resolvedAddress = ResolveMutexHandle(ctx, mutexAddress);
-        PthreadMutexState state;
-        lock (_stateGate)
+        if (!TryResolveMutexState(ctx, mutexAddress, createIfZero: true, out var resolvedAddress, out var state))
         {
-            if (!_mutexStates.TryGetValue(resolvedAddress, out state!))
-            {
-                state = new PthreadMutexState();
-                _mutexStates[resolvedAddress] = state;
-            }
-
-            if (resolvedAddress != mutexAddress)
-            {
-                _mutexStates[mutexAddress] = state;
-            }
+            TracePthreadMutex(ctx, tryOnly ? "trylock" : "lock", mutexAddress, resolvedAddress, null, KernelPthreadState.GetCurrentThreadHandle(), (int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND);
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND;
         }
 
-        var currentThreadId = GetCurrentThreadId();
+        var currentThreadId = KernelPthreadState.GetCurrentThreadHandle();
         lock (state)
         {
             if (state.OwnerThreadId == currentThreadId)
@@ -402,8 +407,11 @@ public static class KernelPthreadCompatExports
                     return (int)OrbisGen2Result.ORBIS_GEN2_OK;
                 }
 
-                TracePthreadMutex(ctx, tryOnly ? "trylock" : "lock", mutexAddress, resolvedAddress, state, currentThreadId, (int)OrbisGen2Result.ORBIS_GEN2_ERROR_ALREADY_EXISTS);
-                return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_ALREADY_EXISTS;
+                var ownedResult = tryOnly
+                    ? (int)OrbisGen2Result.ORBIS_GEN2_ERROR_BUSY
+                    : (int)OrbisGen2Result.ORBIS_GEN2_ERROR_DEADLOCK;
+                TracePthreadMutex(ctx, tryOnly ? "trylock" : "lock", mutexAddress, resolvedAddress, state, currentThreadId, ownedResult);
+                return ownedResult;
             }
         }
 
@@ -418,8 +426,8 @@ public static class KernelPthreadCompatExports
         }
         if (!acquired)
         {
-            TracePthreadMutex(ctx, tryOnly ? "trylock" : "lock", mutexAddress, resolvedAddress, state, currentThreadId, (int)OrbisGen2Result.ORBIS_GEN2_ERROR_ALREADY_EXISTS);
-            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_ALREADY_EXISTS;
+            TracePthreadMutex(ctx, tryOnly ? "trylock" : "lock", mutexAddress, resolvedAddress, state, currentThreadId, (int)OrbisGen2Result.ORBIS_GEN2_ERROR_BUSY);
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_BUSY;
         }
 
         lock (state)
@@ -439,20 +447,13 @@ public static class KernelPthreadCompatExports
             return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
         }
 
-        var resolvedAddress = ResolveMutexHandle(ctx, mutexAddress);
-        PthreadMutexState? state;
-        lock (_stateGate)
+        if (!TryResolveMutexState(ctx, mutexAddress, createIfZero: true, out var resolvedAddress, out var state))
         {
-            _mutexStates.TryGetValue(resolvedAddress, out state);
-        }
-
-        if (state is null)
-        {
-            TracePthreadMutex(ctx, "unlock", mutexAddress, resolvedAddress, null, GetCurrentThreadId(), (int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND);
+            TracePthreadMutex(ctx, "unlock", mutexAddress, resolvedAddress, null, KernelPthreadState.GetCurrentThreadHandle(), (int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND);
             return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND;
         }
 
-        var currentThreadId = GetCurrentThreadId();
+        var currentThreadId = KernelPthreadState.GetCurrentThreadHandle();
         var shouldRelease = false;
         lock (state)
         {
@@ -464,8 +465,8 @@ public static class KernelPthreadCompatExports
 
             if (requireOwner && state.OwnerThreadId != currentThreadId)
             {
-                TracePthreadMutex(ctx, "unlock", mutexAddress, resolvedAddress, state, currentThreadId, (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
-                return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
+                TracePthreadMutex(ctx, "unlock", mutexAddress, resolvedAddress, state, currentThreadId, (int)OrbisGen2Result.ORBIS_GEN2_ERROR_PERMISSION_DENIED);
+                return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_PERMISSION_DENIED;
             }
 
             state.RecursionCount--;
@@ -503,8 +504,8 @@ public static class KernelPthreadCompatExports
         var syntheticHandle = AllocateSyntheticHandle(SyntheticMutexAttrHandleBase, ref _nextSyntheticMutexAttrHandleId);
         lock (_stateGate)
         {
-            _mutexAttrStates[attrAddress] = new PthreadMutexAttrState(MutexTypeNormal, 0);
-            _mutexAttrStates[syntheticHandle] = new PthreadMutexAttrState(MutexTypeNormal, 0);
+            _mutexAttrStates[attrAddress] = new PthreadMutexAttrState(MutexTypeDefault, 0);
+            _mutexAttrStates[syntheticHandle] = new PthreadMutexAttrState(MutexTypeDefault, 0);
         }
 
         _ = ctx.TryWriteUInt64(attrAddress, syntheticHandle);
@@ -543,10 +544,10 @@ public static class KernelPthreadCompatExports
         {
             if (!_mutexAttrStates.TryGetValue(resolvedAddress, out var state))
             {
-                state = new PthreadMutexAttrState(MutexTypeNormal, 0);
+                state = new PthreadMutexAttrState(MutexTypeDefault, 0);
             }
 
-            _mutexAttrStates[resolvedAddress] = state with { Type = type };
+            _mutexAttrStates[resolvedAddress] = state with { Type = NormalizeMutexType(type) };
             if (resolvedAddress != attrAddress)
             {
                 _mutexAttrStates[attrAddress] = _mutexAttrStates[resolvedAddress];
@@ -568,7 +569,7 @@ public static class KernelPthreadCompatExports
         {
             if (!_mutexAttrStates.TryGetValue(resolvedAddress, out var state))
             {
-                state = new PthreadMutexAttrState(MutexTypeNormal, 0);
+                state = new PthreadMutexAttrState(MutexTypeDefault, 0);
             }
 
             _mutexAttrStates[resolvedAddress] = state with { Protocol = protocol };
@@ -610,6 +611,59 @@ public static class KernelPthreadCompatExports
         return mutexAddress;
     }
 
+    private static bool TryResolveMutexState(CpuContext ctx, ulong mutexAddress, bool createIfZero, out ulong resolvedAddress, [NotNullWhen(true)] out PthreadMutexState? state)
+    {
+        resolvedAddress = 0;
+        state = null;
+        if (mutexAddress == 0)
+        {
+            return false;
+        }
+
+        lock (_stateGate)
+        {
+            if (_mutexStates.TryGetValue(mutexAddress, out state))
+            {
+                resolvedAddress = mutexAddress;
+                return true;
+            }
+        }
+
+        if (!ctx.TryReadUInt64(mutexAddress, out var pointedHandle))
+        {
+            return false;
+        }
+
+        if (pointedHandle == StaticAdaptiveMutexInitializer)
+        {
+            return CreateImplicitMutexState(ctx, mutexAddress, MutexTypeAdaptiveNp, out resolvedAddress, out state);
+        }
+
+        if (pointedHandle != 0)
+        {
+            lock (_stateGate)
+            {
+                if (_mutexStates.TryGetValue(pointedHandle, out state))
+                {
+                    _mutexStates[mutexAddress] = state;
+                    resolvedAddress = pointedHandle;
+                    return true;
+                }
+            }
+
+            resolvedAddress = pointedHandle;
+            return false;
+        }
+
+        if (!createIfZero)
+        {
+            resolvedAddress = mutexAddress;
+            return false;
+        }
+
+        return CreateImplicitMutexState(ctx, mutexAddress, MutexTypeDefault, out resolvedAddress, out state);
+    }
+
     private static ulong ResolveMutexAttrHandle(CpuContext ctx, ulong attrAddress)
     {
         if (attrAddress == 0)
@@ -651,145 +705,299 @@ public static class KernelPthreadCompatExports
         {
             return _mutexAttrStates.TryGetValue(resolvedAddress, out var state)
                 ? state
-                : default;
+                : new PthreadMutexAttrState(MutexTypeDefault, 0);
         }
     }
 
+    private static ulong ResolveCondHandle(CpuContext ctx, ulong condAddress)
+    {
+        if (condAddress == 0)
+        {
+            return 0;
+        }
+
+        lock (_stateGate)
+        {
+            if (_condStates.ContainsKey(condAddress))
+            {
+                return condAddress;
+            }
+        }
+
+        if (ctx.TryReadUInt64(condAddress, out var pointedHandle) && pointedHandle != 0)
+        {
+            lock (_stateGate)
+            {
+                if (_condStates.ContainsKey(pointedHandle))
+                {
+                    return pointedHandle;
+                }
+            }
+        }
+
+        return condAddress;
+    }
+
+    private static bool TryResolveCondState(CpuContext? ctx, ulong condAddress, bool createIfZero, out ulong resolvedAddress, [NotNullWhen(true)] out PthreadCondState? state)
+    {
+        resolvedAddress = 0;
+        state = null;
+        if (condAddress == 0)
+        {
+            return false;
+        }
+
+        lock (_stateGate)
+        {
+            if (_condStates.TryGetValue(condAddress, out state))
+            {
+                resolvedAddress = condAddress;
+                return true;
+            }
+        }
+
+        if (ctx is null || !ctx.TryReadUInt64(condAddress, out var pointedHandle))
+        {
+            return false;
+        }
+
+        if (pointedHandle != 0)
+        {
+            lock (_stateGate)
+            {
+                if (_condStates.TryGetValue(pointedHandle, out state))
+                {
+                    _condStates[condAddress] = state;
+                    resolvedAddress = pointedHandle;
+                    return true;
+                }
+            }
+
+            resolvedAddress = pointedHandle;
+            return false;
+        }
+
+        if (!createIfZero)
+        {
+            resolvedAddress = condAddress;
+            return false;
+        }
+
+        var createdState = new PthreadCondState();
+        var syntheticHandle = AllocateSyntheticHandle(SyntheticCondHandleBase, ref _nextSyntheticCondHandleId);
+        lock (_stateGate)
+        {
+            _condStates[condAddress] = createdState;
+            _condStates[syntheticHandle] = createdState;
+        }
+
+        _ = ctx.TryWriteUInt64(condAddress, syntheticHandle);
+        resolvedAddress = syntheticHandle;
+        state = createdState;
+        return true;
+    }
+
     private static ulong AllocateSyntheticHandle(ulong baseAddress, ref long nextId)
     {
         var id = unchecked((ulong)Interlocked.Increment(ref nextId));
         return baseAddress + (id << 4);
     }
 
-    private static int PthreadCondInitCore(ulong condAddress)
+    private static int PthreadCondInitCore(CpuContext ctx, ulong condAddress)
     {
         if (condAddress == 0)
         {
             return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
         }
 
+        var syntheticHandle = AllocateSyntheticHandle(SyntheticCondHandleBase, ref _nextSyntheticCondHandleId);
         lock (_stateGate)
         {
-            _condStates[condAddress] = new PthreadCondState();
+            var state = new PthreadCondState();
+            _condStates[condAddress] = state;
+            _condStates[syntheticHandle] = state;
         }
 
+        _ = ctx.TryWriteUInt64(condAddress, syntheticHandle);
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
-    private static int PthreadCondDestroyCore(ulong condAddress)
+    private static int PthreadCondDestroyCore(CpuContext ctx, ulong condAddress)
     {
         if (condAddress == 0)
         {
             return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
         }
 
+        var resolvedAddress = ResolveCondHandle(ctx, condAddress);
         lock (_stateGate)
         {
-            _condStates.Remove(condAddress);
+            _condStates.Remove(resolvedAddress);
+            if (resolvedAddress != condAddress)
+            {
+                _condStates.Remove(condAddress);
+            }
         }
 
+        _ = ctx.TryWriteUInt64(condAddress, 0);
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
-    private static int PthreadCondWaitCore(CpuContext ctx, ulong condAddress, ulong mutexAddress, bool timed)
+    private static int PthreadCondWaitCore(CpuContext ctx, ulong condAddress, ulong mutexAddress, bool timed, uint timeoutUsec = 0)
     {
         if (condAddress == 0 || mutexAddress == 0)
         {
             return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
         }
 
-        lock (_stateGate)
+        if (!TryResolveCondState(ctx, condAddress, createIfZero: true, out _, out var state))
         {
-            if (!_condStates.TryGetValue(condAddress, out var state))
-            {
-                state = new PthreadCondState();
-                _condStates[condAddress] = state;
-            }
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND;
+        }
 
+        var waitResult = (int)OrbisGen2Result.ORBIS_GEN2_OK;
+        lock (state.SyncRoot)
+        {
             state.Waiters++;
-            if (state.PendingSignals > 0)
+            var observedEpoch = state.SignalEpoch;
+            TracePthreadCond("wait-enter", condAddress, mutexAddress, state, timed, waitResult);
+
+            var unlockResult = PthreadMutexUnlockCore(ctx, mutexAddress, requireOwner: true);
+            if (unlockResult != (int)OrbisGen2Result.ORBIS_GEN2_OK)
             {
-                state.PendingSignals--;
                 state.Waiters--;
-                return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+                TracePthreadCond("wait-unlock-fail", condAddress, mutexAddress, state, timed, unlockResult);
+                return unlockResult;
             }
-        }
 
-        var unlockResult = PthreadMutexUnlockCore(ctx, mutexAddress, requireOwner: true);
-        if (unlockResult != (int)OrbisGen2Result.ORBIS_GEN2_OK)
-        {
-            return unlockResult;
-        }
+            while (state.SignalEpoch == observedEpoch)
+            {
+                if (!timed)
+                {
+                    Monitor.Wait(state.SyncRoot);
+                    continue;
+                }
 
-        if (timed)
-        {
-            Thread.Sleep(1);
-        }
-        else
-        {
-            Thread.Yield();
+                if (!Monitor.Wait(state.SyncRoot, GetCondWaitTimeout(timeoutUsec)))
+                {
+                    waitResult = (int)OrbisGen2Result.ORBIS_GEN2_ERROR_TIMED_OUT;
+                    break;
+                }
+            }
+
+            state.Waiters = Math.Max(0, state.Waiters - 1);
+            TracePthreadCond(waitResult == (int)OrbisGen2Result.ORBIS_GEN2_OK ? "wait-wake" : "wait-timeout", condAddress, mutexAddress, state, timed, waitResult);
         }
 
         var lockResult = PthreadMutexLockCore(ctx, mutexAddress, tryOnly: false);
-        lock (_stateGate)
+        if (lockResult != (int)OrbisGen2Result.ORBIS_GEN2_OK)
         {
-            if (_condStates.TryGetValue(condAddress, out var state))
-            {
-                state.Waiters = Math.Max(0, state.Waiters - 1);
-            }
+            TracePthreadCond("wait-relock-fail", condAddress, mutexAddress, state, timed, lockResult);
+            return lockResult;
         }
 
-        return lockResult;
+        TracePthreadCond(waitResult == (int)OrbisGen2Result.ORBIS_GEN2_OK ? "wait-exit" : "wait-exit-timeout", condAddress, mutexAddress, state, timed, waitResult);
+        return waitResult;
     }
 
-    private static int PthreadCondSignalCore(ulong condAddress, bool broadcast)
+    private static int PthreadCondSignalCore(CpuContext ctx, ulong condAddress, bool broadcast)
     {
         if (condAddress == 0)
         {
             return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
         }
 
-        lock (_stateGate)
+        if (!TryResolveCondState(ctx, condAddress, createIfZero: true, out _, out var state))
         {
-            if (!_condStates.TryGetValue(condAddress, out var state))
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND;
+        }
+
+        lock (state.SyncRoot)
+        {
+            if (state.Waiters > 0)
             {
-                state = new PthreadCondState();
-                _condStates[condAddress] = state;
+                state.SignalEpoch++;
+                if (broadcast)
+                {
+                    Monitor.PulseAll(state.SyncRoot);
+                }
+                else
+                {
+                    Monitor.Pulse(state.SyncRoot);
+                }
             }
 
-            if (broadcast)
-            {
-                state.PendingSignals += Math.Max(1, state.Waiters);
-            }
-            else
-            {
-                state.PendingSignals++;
-            }
+            TracePthreadCond(broadcast ? "broadcast" : "signal", condAddress, mutexAddress: 0, state, timed: false, (int)OrbisGen2Result.ORBIS_GEN2_OK);
         }
 
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
-    private static ulong GetCurrentThreadId()
+    private static TimeSpan GetCondWaitTimeout(uint timeoutUsec)
     {
-        if (_currentThreadId != 0)
+        if (timeoutUsec == 0)
         {
-            return _currentThreadId;
+            return TimeSpan.Zero;
         }
 
-        _currentThreadId = unchecked((ulong)Interlocked.Increment(ref _nextSyntheticThreadId));
-        return _currentThreadId;
+        return TimeSpan.FromTicks((long)timeoutUsec * 10L);
     }
 
-    private static void TracePthreadSelf(CpuContext ctx, ulong currentThreadId)
+    private static int NormalizeMutexType(int type)
+    {
+        return type switch
+        {
+            0 => MutexTypeDefault,
+            1 => MutexTypeErrorCheck,
+            2 => MutexTypeRecursive,
+            3 => MutexTypeNormal,
+            4 => MutexTypeAdaptiveNp,
+            _ => MutexTypeDefault,
+        };
+    }
+
+    private static bool CreateImplicitMutexState(CpuContext ctx, ulong mutexAddress, int type, out ulong resolvedAddress, [NotNullWhen(true)] out PthreadMutexState? state)
+    {
+        var createdState = new PthreadMutexState
+        {
+            Type = type,
+        };
+
+        var syntheticHandle = AllocateSyntheticHandle(SyntheticMutexHandleBase, ref _nextSyntheticMutexHandleId);
+        lock (_stateGate)
+        {
+            if (_mutexStates.TryGetValue(mutexAddress, out state))
+            {
+                resolvedAddress = mutexAddress;
+                return true;
+            }
+
+            if (_mutexStates.TryGetValue(syntheticHandle, out state))
+            {
+                resolvedAddress = syntheticHandle;
+                return true;
+            }
+
+            _mutexStates[mutexAddress] = createdState;
+            _mutexStates[syntheticHandle] = createdState;
+        }
+
+        _ = ctx.TryWriteUInt64(mutexAddress, syntheticHandle);
+        resolvedAddress = syntheticHandle;
+        state = createdState;
+        return true;
+    }
+
+    private static void TracePthreadSelf(CpuContext ctx, ulong currentThreadHandle)
     {
         if (!ShouldTracePthread())
         {
             return;
         }
 
+        var currentThreadId = KernelPthreadState.GetCurrentThreadUniqueId();
         Console.Error.WriteLine(
-            $"[LOADER][TRACE] pthread_self: stale_rdi=0x{ctx[CpuRegister.Rdi]:X16} thread=0x{currentThreadId:X16}");
+            $"[LOADER][TRACE] pthread_self: stale_rdi=0x{ctx[CpuRegister.Rdi]:X16} thread=0x{currentThreadHandle:X16} tid=0x{currentThreadId:X16}");
     }
 
     private static void TracePthreadMutex(CpuContext ctx, string operation, ulong mutexAddress, ulong resolvedAddress, PthreadMutexState? state, ulong currentThreadId, int result)
@@ -808,6 +1016,18 @@ public static class KernelPthreadCompatExports
             $"recursion={(state?.RecursionCount ?? 0)} type={(state?.Type ?? 0)} result=0x{unchecked((uint)result):X8}");
     }
 
+    private static void TracePthreadCond(string operation, ulong condAddress, ulong mutexAddress, PthreadCondState? state, bool timed, int result)
+    {
+        if (!ShouldTracePthread())
+        {
+            return;
+        }
+
+        Console.Error.WriteLine(
+            $"[LOADER][TRACE] pthread_cond_{operation}: cond=0x{condAddress:X16} mutex=0x{mutexAddress:X16} " +
+            $"waiters={(state?.Waiters ?? 0)} epoch=0x{(state?.SignalEpoch ?? 0):X} timed={timed} result=0x{unchecked((uint)result):X8}");
+    }
+
     private static bool ShouldTracePthread()
     {
         return string.Equals(Environment.GetEnvironmentVariable("SHARPEMU_LOG_PTHREADS"), "1", StringComparison.Ordinal);

src/SharpEmu.Libs/Kernel/KernelPthreadExtendedCompatExports.cs

@@ -5,6 +5,7 @@ using SharpEmu.HLE;
 using System.Buffers.Binary;
 using System.Text;
 using System.Threading;
+using System.Diagnostics.CodeAnalysis;
 
 namespace SharpEmu.Libs.Kernel;
 
@@ -18,13 +19,15 @@ public static class KernelPthreadExtendedCompatExports
     private const int DefaultInheritSched = 0;
     private const int DefaultSchedPolicy = 0;
     private const int DefaultSchedPriority = 0;
+    private const ulong SyntheticRwlockHandleBase = 0x00006003_0000_0000;
 
     private static readonly object _stateGate = new();
     private static readonly Dictionary<ulong, ThreadState> _threadStates = new();
     private static readonly Dictionary<ulong, PthreadAttrState> _attrStates = new();
-    private static readonly Dictionary<ulong, ReaderWriterLockSlim> _rwlockStates = new();
+    private static readonly Dictionary<ulong, PthreadRwlockState> _rwlockStates = new();
     private static readonly Dictionary<int, TlsKeyState> _tlsKeys = new();
     private static int _nextTlsKey = 1;
+    private static long _nextSyntheticRwlockHandleId = 1;
 
     [ThreadStatic]
     private static Dictionary<int, ulong>? _threadLocalSpecific;
@@ -38,6 +41,47 @@ public static class KernelPthreadExtendedCompatExports
         public PthreadAttrState Attributes { get; set; } = PthreadAttrState.Default;
     }
 
+    private sealed class PthreadRwlockState
+    {
+        public object SyncRoot { get; } = new();
+        public Dictionary<ulong, int> ReaderCounts { get; } = new();
+        public int ReaderTotalCount { get; set; }
+        public ulong WriterThreadId { get; set; }
+        public int WaitingWriters { get; set; }
+
+        public int GetReaderCount(ulong threadId)
+        {
+            return ReaderCounts.TryGetValue(threadId, out var count) ? count : 0;
+        }
+
+        public void AddReader(ulong threadId)
+        {
+            ReaderCounts.TryGetValue(threadId, out var currentCount);
+            ReaderCounts[threadId] = currentCount + 1;
+            ReaderTotalCount++;
+        }
+
+        public bool RemoveReader(ulong threadId)
+        {
+            if (!ReaderCounts.TryGetValue(threadId, out var currentCount) || currentCount <= 0)
+            {
+                return false;
+            }
+
+            if (currentCount == 1)
+            {
+                ReaderCounts.Remove(threadId);
+            }
+            else
+            {
+                ReaderCounts[threadId] = currentCount - 1;
+            }
+
+            ReaderTotalCount = Math.Max(0, ReaderTotalCount - 1);
+            return true;
+        }
+    }
+
     private readonly record struct TlsKeyState(ulong Destructor);
 
     private readonly record struct PthreadAttrState(
@@ -591,20 +635,31 @@ public static class KernelPthreadExtendedCompatExports
             return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
         }
 
+        var syntheticHandle = AllocateSyntheticHandle(SyntheticRwlockHandleBase, ref _nextSyntheticRwlockHandleId);
         lock (_stateGate)
         {
-            if (_rwlockStates.Remove(rwlockAddress, out var existing))
+            var resolvedAddress = ResolveRwlockHandle(ctx, rwlockAddress);
+            if (_rwlockStates.Remove(resolvedAddress, out var existing))
             {
-                existing.Dispose();
             }
 
-            _rwlockStates[rwlockAddress] = new ReaderWriterLockSlim(LockRecursionPolicy.SupportsRecursion);
+            var rwlock = new PthreadRwlockState();
+            _rwlockStates[rwlockAddress] = rwlock;
+            _rwlockStates[syntheticHandle] = rwlock;
         }
 
+        _ = ctx.TryWriteUInt64(rwlockAddress, syntheticHandle);
         ctx[CpuRegister.Rax] = 0;
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
+    [SysAbiExport(
+        Nid = "ytQULN-nhL4",
+        ExportName = "pthread_rwlock_init",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libKernel")]
+    public static int PosixPthreadRwlockInit(CpuContext ctx) => PthreadRwlockInit(ctx);
+
     [SysAbiExport(
         Nid = "BB+kb08Tl9A",
         ExportName = "scePthreadRwlockDestroy",
@@ -618,10 +673,11 @@ public static class KernelPthreadExtendedCompatExports
             return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
         }
 
-        ReaderWriterLockSlim? state;
+        var resolvedAddress = ResolveRwlockHandle(ctx, rwlockAddress);
+        PthreadRwlockState? state;
         lock (_stateGate)
         {
-            _rwlockStates.Remove(rwlockAddress, out state);
+            _rwlockStates.TryGetValue(resolvedAddress, out state);
         }
 
         if (state is null)
@@ -629,24 +685,62 @@ public static class KernelPthreadExtendedCompatExports
             return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND;
         }
 
-        state.Dispose();
+        lock (state.SyncRoot)
+        {
+            if (state.WriterThreadId != 0 || state.ReaderTotalCount != 0 || state.WaitingWriters != 0)
+            {
+                return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_BUSY;
+            }
+        }
+
+        lock (_stateGate)
+        {
+            _rwlockStates.Remove(resolvedAddress);
+            if (resolvedAddress != rwlockAddress)
+            {
+                _rwlockStates.Remove(rwlockAddress);
+            }
+        }
+
+        _ = ctx.TryWriteUInt64(rwlockAddress, 0);
         ctx[CpuRegister.Rax] = 0;
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
+    [SysAbiExport(
+        Nid = "1471ajPzxh0",
+        ExportName = "pthread_rwlock_destroy",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libKernel")]
+    public static int PosixPthreadRwlockDestroy(CpuContext ctx) => PthreadRwlockDestroy(ctx);
+
     [SysAbiExport(
         Nid = "Ox9i0c7L5w0",
         ExportName = "scePthreadRwlockRdlock",
         Target = Generation.Gen4 | Generation.Gen5,
         LibraryName = "libKernel")]
-    public static int PthreadRwlockRdlock(CpuContext ctx) => PthreadRwlockLockCore(ctx[CpuRegister.Rdi], write: false);
+    public static int PthreadRwlockRdlock(CpuContext ctx) => PthreadRwlockLockCore(ctx, ctx[CpuRegister.Rdi], write: false);
+
+    [SysAbiExport(
+        Nid = "iGjsr1WAtI0",
+        ExportName = "pthread_rwlock_rdlock",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libKernel")]
+    public static int PosixPthreadRwlockRdlock(CpuContext ctx) => PthreadRwlockRdlock(ctx);
 
     [SysAbiExport(
         Nid = "mqdNorrB+gI",
         ExportName = "scePthreadRwlockWrlock",
         Target = Generation.Gen4 | Generation.Gen5,
         LibraryName = "libKernel")]
-    public static int PthreadRwlockWrlock(CpuContext ctx) => PthreadRwlockLockCore(ctx[CpuRegister.Rdi], write: true);
+    public static int PthreadRwlockWrlock(CpuContext ctx) => PthreadRwlockLockCore(ctx, ctx[CpuRegister.Rdi], write: true);
+
+    [SysAbiExport(
+        Nid = "sIlRvQqsN2Y",
+        ExportName = "pthread_rwlock_wrlock",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libKernel")]
+    public static int PosixPthreadRwlockWrlock(CpuContext ctx) => PthreadRwlockWrlock(ctx);
 
     [SysAbiExport(
         Nid = "+L98PIbGttk",
@@ -661,40 +755,50 @@ public static class KernelPthreadExtendedCompatExports
             return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
         }
 
-        ReaderWriterLockSlim? rwlock;
-        lock (_stateGate)
-        {
-            _rwlockStates.TryGetValue(rwlockAddress, out rwlock);
-        }
-
-        if (rwlock is null)
+        if (!TryResolveRwlockState(ctx, rwlockAddress, createIfZero: false, out _, out var rwlock))
         {
             return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND;
         }
 
+        var currentThreadId = KernelPthreadState.GetCurrentThreadHandle();
+
         try
         {
-            if (rwlock.IsWriteLockHeld)
+            lock (rwlock.SyncRoot)
             {
-                rwlock.ExitWriteLock();
-            }
-            else if (rwlock.IsReadLockHeld)
-            {
-                rwlock.ExitReadLock();
-            }
-            else
-            {
-                return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
+                if (rwlock.WriterThreadId == currentThreadId)
+                {
+                    rwlock.WriterThreadId = 0;
+                    Monitor.PulseAll(rwlock.SyncRoot);
+                }
+                else if (rwlock.RemoveReader(currentThreadId))
+                {
+                    if (rwlock.ReaderTotalCount == 0 || rwlock.WaitingWriters > 0)
+                    {
+                        Monitor.PulseAll(rwlock.SyncRoot);
+                    }
+                }
+                else
+                {
+                    return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_PERMISSION_DENIED;
+                }
             }
         }
         catch (SynchronizationLockException)
         {
-            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_PERMISSION_DENIED;
         }
 
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
+    [SysAbiExport(
+        Nid = "EgmLo6EWgso",
+        ExportName = "pthread_rwlock_unlock",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libKernel")]
+    public static int PosixPthreadRwlockUnlock(CpuContext ctx) => PthreadRwlockUnlock(ctx);
+
     [SysAbiExport(
         Nid = "mqULNdimTn0",
         ExportName = "pthread_key_create",
@@ -730,6 +834,13 @@ public static class KernelPthreadExtendedCompatExports
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
+    [SysAbiExport(
+        Nid = "geDaqgH9lTg",
+        ExportName = "scePthreadKeyCreate",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libKernel")]
+    public static int OrbisPthreadKeyCreate(CpuContext ctx) => PosixPthreadKeyCreate(ctx);
+
     [SysAbiExport(
         Nid = "6BpEZuDT7YI",
         ExportName = "pthread_key_delete",
@@ -751,6 +862,13 @@ public static class KernelPthreadExtendedCompatExports
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
+    [SysAbiExport(
+        Nid = "PrdHuuDekhY",
+        ExportName = "scePthreadKeyDelete",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libKernel")]
+    public static int OrbisPthreadKeyDelete(CpuContext ctx) => PosixPthreadKeyDelete(ctx);
+
     [SysAbiExport(
         Nid = "WrOLvHU0yQM",
         ExportName = "pthread_setspecific",
@@ -774,6 +892,13 @@ public static class KernelPthreadExtendedCompatExports
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
+    [SysAbiExport(
+        Nid = "+BzXYkqYeLE",
+        ExportName = "scePthreadSetspecific",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libKernel")]
+    public static int OrbisPthreadSetspecific(CpuContext ctx) => PosixPthreadSetspecific(ctx);
+
     [SysAbiExport(
         Nid = "0-KXaS70xy4",
         ExportName = "pthread_getspecific",
@@ -798,42 +923,164 @@ public static class KernelPthreadExtendedCompatExports
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
-    private static int PthreadRwlockLockCore(ulong rwlockAddress, bool write)
+    [SysAbiExport(
+        Nid = "eoht7mQOCmo",
+        ExportName = "scePthreadGetspecific",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libKernel")]
+    public static int OrbisPthreadGetspecific(CpuContext ctx) => PosixPthreadGetspecific(ctx);
+
+    private static int PthreadRwlockLockCore(CpuContext ctx, ulong rwlockAddress, bool write)
     {
         if (rwlockAddress == 0)
         {
             return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
         }
 
-        ReaderWriterLockSlim rwlock;
-        lock (_stateGate)
+        if (!TryResolveRwlockState(ctx, rwlockAddress, createIfZero: true, out _, out var rwlock))
         {
-            if (!_rwlockStates.TryGetValue(rwlockAddress, out rwlock!))
-            {
-                rwlock = new ReaderWriterLockSlim(LockRecursionPolicy.SupportsRecursion);
-                _rwlockStates[rwlockAddress] = rwlock;
-            }
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND;
         }
 
-        try
+        var currentThreadId = KernelPthreadState.GetCurrentThreadHandle();
+        lock (rwlock.SyncRoot)
         {
             if (write)
             {
-                rwlock.EnterWriteLock();
+                if (rwlock.WriterThreadId == currentThreadId || rwlock.GetReaderCount(currentThreadId) > 0)
+                {
+                    return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_DEADLOCK;
+                }
+
+                rwlock.WaitingWriters++;
+                try
+                {
+                    while (rwlock.WriterThreadId != 0 || rwlock.ReaderTotalCount != 0)
+                    {
+                        Monitor.Wait(rwlock.SyncRoot);
+                    }
+                }
+                finally
+                {
+                    rwlock.WaitingWriters--;
+                }
+
+                rwlock.WriterThreadId = currentThreadId;
             }
             else
             {
-                rwlock.EnterReadLock();
+                if (rwlock.WriterThreadId == currentThreadId)
+                {
+                    return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_DEADLOCK;
+                }
+
+                while (rwlock.WriterThreadId != 0 ||
+                       (rwlock.WaitingWriters > 0 && rwlock.GetReaderCount(currentThreadId) == 0))
+                {
+                    Monitor.Wait(rwlock.SyncRoot);
+                }
+
+                rwlock.AddReader(currentThreadId);
             }
         }
-        catch (LockRecursionException)
-        {
-            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_ALREADY_EXISTS;
-        }
 
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
+    private static ulong ResolveRwlockHandle(CpuContext ctx, ulong rwlockAddress)
+    {
+        if (rwlockAddress == 0)
+        {
+            return 0;
+        }
+
+        lock (_stateGate)
+        {
+            if (_rwlockStates.ContainsKey(rwlockAddress))
+            {
+                return rwlockAddress;
+            }
+        }
+
+        if (ctx.TryReadUInt64(rwlockAddress, out var pointedHandle) && pointedHandle != 0)
+        {
+            lock (_stateGate)
+            {
+                if (_rwlockStates.ContainsKey(pointedHandle))
+                {
+                    return pointedHandle;
+                }
+            }
+        }
+
+        return rwlockAddress;
+    }
+
+    private static bool TryResolveRwlockState(CpuContext ctx, ulong rwlockAddress, bool createIfZero, out ulong resolvedAddress, [NotNullWhen(true)] out PthreadRwlockState? rwlock)
+    {
+        resolvedAddress = 0;
+        rwlock = null;
+        if (rwlockAddress == 0)
+        {
+            return false;
+        }
+
+        lock (_stateGate)
+        {
+            if (_rwlockStates.TryGetValue(rwlockAddress, out rwlock))
+            {
+                resolvedAddress = rwlockAddress;
+                return true;
+            }
+        }
+
+        if (!ctx.TryReadUInt64(rwlockAddress, out var pointedHandle))
+        {
+            return false;
+        }
+
+        if (pointedHandle != 0)
+        {
+            lock (_stateGate)
+            {
+                if (_rwlockStates.TryGetValue(pointedHandle, out rwlock))
+                {
+                    _rwlockStates[rwlockAddress] = rwlock;
+                    resolvedAddress = pointedHandle;
+                    return true;
+                }
+            }
+
+            resolvedAddress = pointedHandle;
+            return false;
+        }
+
+        if (!createIfZero)
+        {
+            resolvedAddress = rwlockAddress;
+            return false;
+        }
+
+        var createdRwlock = new PthreadRwlockState();
+        var syntheticHandle = AllocateSyntheticHandle(SyntheticRwlockHandleBase, ref _nextSyntheticRwlockHandleId);
+        lock (_stateGate)
+        {
+            _rwlockStates[rwlockAddress] = createdRwlock;
+            _rwlockStates[syntheticHandle] = createdRwlock;
+        }
+
+        _ = ctx.TryWriteUInt64(rwlockAddress, syntheticHandle);
+        resolvedAddress = syntheticHandle;
+        rwlock = createdRwlock;
+        return true;
+    }
+
+    private static ulong AllocateSyntheticHandle(ulong baseAddress, ref long nextId)
+    {
+        var id = unchecked((ulong)Interlocked.Increment(ref nextId));
+        return baseAddress + (id << 4);
+    }
+
     private static ThreadState GetOrCreateThreadStateLocked(ulong thread)
     {
         if (_threadStates.TryGetValue(thread, out var state))
@@ -841,9 +1088,13 @@ public static class KernelPthreadExtendedCompatExports
             return state;
         }
 
+        var name = KernelPthreadState.TryGetThreadIdentity(thread, out var identity)
+            ? identity.Name
+            : $"Thread-{thread:X}";
+
         state = new ThreadState
         {
-            Name = $"Thread-{thread:X}",
+            Name = name,
             Priority = DefaultThreadPriority,
             AffinityMask = DefaultThreadAffinityMask,
             DetachState = DefaultDetachState,

src/SharpEmu.Libs/Kernel/KernelPthreadState.cs

@@ -0,0 +1,78 @@
+// Copyright (C) 2026 SharpEmu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+using System.Runtime.InteropServices;
+using System.Threading;
+
+namespace SharpEmu.Libs.Kernel;
+
+internal static class KernelPthreadState
+{
+    private const int ThreadObjectSize = 0x1000;
+
+    private static readonly object Gate = new();
+    private static readonly Dictionary<ulong, ThreadIdentity> Threads = new();
+    private static readonly byte[] ZeroThreadObject = new byte[ThreadObjectSize];
+    private static long _nextUniqueThreadId = 1;
+
+    [ThreadStatic]
+    private static ulong _currentThreadHandle;
+
+    [ThreadStatic]
+    private static ulong _currentThreadUniqueId;
+
+    internal readonly record struct ThreadIdentity(ulong UniqueId, string Name);
+
+    internal static ulong GetCurrentThreadHandle()
+    {
+        EnsureCurrentThreadRegistered();
+        return _currentThreadHandle;
+    }
+
+    internal static ulong GetCurrentThreadUniqueId()
+    {
+        EnsureCurrentThreadRegistered();
+        return _currentThreadUniqueId;
+    }
+
+    internal static ulong CreateThreadHandle(string name)
+    {
+        var uniqueId = unchecked((ulong)Interlocked.Increment(ref _nextUniqueThreadId));
+        return AllocateThreadHandle(uniqueId, name);
+    }
+
+    internal static bool TryGetThreadIdentity(ulong threadHandle, out ThreadIdentity identity)
+    {
+        lock (Gate)
+        {
+            return Threads.TryGetValue(threadHandle, out identity);
+        }
+    }
+
+    private static void EnsureCurrentThreadRegistered()
+    {
+        if (_currentThreadHandle != 0)
+        {
+            return;
+        }
+
+        var uniqueId = unchecked((ulong)Interlocked.Increment(ref _nextUniqueThreadId));
+        var name = $"Thread-{uniqueId:X}";
+        _currentThreadHandle = AllocateThreadHandle(uniqueId, name);
+        _currentThreadUniqueId = uniqueId;
+    }
+
+    private static ulong AllocateThreadHandle(ulong uniqueId, string name)
+    {
+        var pointer = Marshal.AllocHGlobal(ThreadObjectSize);
+        Marshal.Copy(ZeroThreadObject, 0, pointer, ThreadObjectSize);
+
+        var handle = unchecked((ulong)pointer.ToInt64());
+        lock (Gate)
+        {
+            Threads[handle] = new ThreadIdentity(uniqueId, string.IsNullOrWhiteSpace(name) ? $"Thread-{uniqueId:X}" : name);
+        }
+
+        return handle;
+    }
+}

src/SharpEmu.Libs/Kernel/KernelRuntimeCompatExports.cs

@@ -31,6 +31,7 @@ public static class KernelRuntimeCompatExports
     private const ulong DefaultKernelTscFrequency = 10_000_000UL;
     private const ulong PrtAreaStartAddress = 0x0000001000000000UL;
     private const ulong PrtAreaSize = 0x000000EC00000000UL;
+    private const int AioInitParamSize = 0x3C;
     private const uint MemCommit = 0x1000;
     private const uint MemReserve = 0x2000;
     private const uint PageExecuteReadWrite = 0x40;
@@ -39,7 +40,10 @@ public static class KernelRuntimeCompatExports
     private static readonly RdtscDelegate? _rdtscReader = CreateRdtscReader();
     private static readonly ulong _kernelTscFrequency = ResolveKernelTscFrequency();
     private static readonly ulong _stackChkGuardValue = 0xC0DEC0DECAFEBABEUL;
-    private static readonly nint _stackChkGuardObjectAddress = AllocateStackChkGuardObject();
+    private static readonly nint _stackChkGuardObjectAddress =
+        HleDataSymbols.TryGetAddress("f7uOxY9mM1U", out var stackChkGuardAddress)
+            ? unchecked((nint)stackChkGuardAddress)
+            : AllocateStackChkGuardObject();
     private static ulong _applicationHeapApiAddress;
     private static ulong _processProcParamAddress;
     private static ulong _nextReservedVirtualBase = 0x6000_0000_0UL;
@@ -777,6 +781,48 @@ public static class KernelRuntimeCompatExports
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
+    [SysAbiExport(
+        Nid = "nu4a0-arQis",
+        ExportName = "sceKernelAioInitializeParam",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libKernel")]
+    public static int KernelAioInitializeParam(CpuContext ctx)
+    {
+        var paramAddress = ctx[CpuRegister.Rdi];
+        if (paramAddress == 0)
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
+        }
+
+        Span<byte> zero = stackalloc byte[AioInitParamSize];
+        zero.Clear();
+        if (!ctx.Memory.TryWrite(paramAddress, zero))
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        ctx[CpuRegister.Rax] = 0;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "vYU8P9Td2Zo",
+        ExportName = "sceKernelAioInitializeImpl",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libKernel")]
+    public static int KernelAioInitializeImpl(CpuContext ctx)
+    {
+        var paramAddress = ctx[CpuRegister.Rdi];
+        var size = unchecked((int)ctx[CpuRegister.Rsi]);
+        if (paramAddress == 0 || size < AioInitParamSize)
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
+        }
+
+        ctx[CpuRegister.Rax] = 0;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
     [SysAbiExport(
         Nid = "eR2bZFAAU0Q",
         ExportName = "sceSysmoduleUnloadModule",

src/SharpEmu.Libs/LibcInternalExports.cs

@@ -0,0 +1,78 @@
+// Copyright (C) 2026 SharpEmu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+using System.Runtime.InteropServices;
+using SharpEmu.HLE;
+
+namespace SharpEmu.Libs.LibcInternal;
+
+public static class LibcInternalExports
+{
+    private const ulong HeapTraceInfoSize = 32;
+    private const int HeapTraceTableEntryCount = 64;
+    private const int HeapTraceMaskOffset = 0;
+    private const int HeapTraceTableOffset = HeapTraceMaskOffset + sizeof(ulong);
+    private const int HeapTraceStorageSize = HeapTraceTableOffset + (HeapTraceTableEntryCount * sizeof(ulong));
+
+    private static readonly object _heapTraceGate = new();
+    private static nint _heapTraceStorage;
+
+    [SysAbiExport(
+        Nid = "NWtTN10cJzE",
+        ExportName = "LibcHeapGetTraceInfo",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "LibcInternalExt")]
+    public static int LibcHeapGetTraceInfo(CpuContext ctx)
+    {
+        var infoAddress = ctx[CpuRegister.Rdi];
+        if (infoAddress == 0 || !ctx.TryReadUInt64(infoAddress, out var size) || size != HeapTraceInfoSize)
+        {
+            ctx[CpuRegister.Rax] = 0;
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
+        }
+
+        var storage = EnsureHeapTraceStorage();
+        if (storage == 0)
+        {
+            ctx[CpuRegister.Rax] = 0;
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        var maskAddress = unchecked((ulong)(storage + HeapTraceMaskOffset));
+        var tableAddress = unchecked((ulong)(storage + HeapTraceTableOffset));
+        if (!ctx.TryWriteUInt64(infoAddress + 16, maskAddress) ||
+            !ctx.TryWriteUInt64(infoAddress + 24, tableAddress))
+        {
+            ctx[CpuRegister.Rax] = 0;
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        ctx[CpuRegister.Rax] = 0;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    private static nint EnsureHeapTraceStorage()
+    {
+        lock (_heapTraceGate)
+        {
+            if (_heapTraceStorage != 0)
+            {
+                return _heapTraceStorage;
+            }
+
+            var storage = Marshal.AllocHGlobal(HeapTraceStorageSize);
+            if (storage == 0)
+            {
+                return 0;
+            }
+
+            unsafe
+            {
+                NativeMemory.Clear((void*)storage, (nuint)HeapTraceStorageSize);
+            }
+
+            _heapTraceStorage = storage;
+            return storage;
+        }
+    }
+}

src/SharpEmu.Libs/PlayGo/PlayGoExports.cs

@@ -0,0 +1,176 @@
+// Copyright (C) 2026 SharpEmu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+using SharpEmu.HLE;
+using System.Buffers.Binary;
+
+namespace SharpEmu.Libs.PlayGo;
+
+public static class PlayGoExports
+{
+    private const int OrbisPlayGoErrorInvalidArgument = unchecked((int)0x80B20004);
+    private const int OrbisPlayGoErrorNotInitialized = unchecked((int)0x80B20005);
+    private const int OrbisPlayGoErrorAlreadyInitialized = unchecked((int)0x80B20006);
+    private const int OrbisPlayGoErrorBadHandle = unchecked((int)0x80B20009);
+    private const int OrbisPlayGoErrorBadPointer = unchecked((int)0x80B2000A);
+    private const int OrbisPlayGoErrorBadSize = unchecked((int)0x80B2000B);
+    private const int OrbisPlayGoErrorNotSupportPlayGo = unchecked((int)0x80B2000E);
+    private const ulong PlayGoInitBufAddrOffset = 0;
+    private const ulong PlayGoInitBufSizeOffset = 8;
+    private const uint PlayGoMinimumInitBufferSize = 0x200000;
+    private const uint PlayGoHandle = 1;
+
+    private static readonly object _stateGate = new();
+    private static bool _initialized;
+    private static bool _hasPlayGoData;
+
+    [SysAbiExport(
+        Nid = "ts6GlZOKRrE",
+        ExportName = "scePlayGoInitialize",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libScePlayGo")]
+    public static int PlayGoInitialize(CpuContext ctx)
+    {
+        var initParamsAddress = ctx[CpuRegister.Rdi];
+        if (initParamsAddress == 0)
+        {
+            return OrbisPlayGoErrorBadPointer;
+        }
+
+        if (!ctx.TryReadUInt64(initParamsAddress + PlayGoInitBufAddrOffset, out var bufferAddress))
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        Span<byte> bufferSizeBytes = stackalloc byte[sizeof(uint)];
+        if (!ctx.Memory.TryRead(initParamsAddress + PlayGoInitBufSizeOffset, bufferSizeBytes))
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        var bufferSize = BinaryPrimitives.ReadUInt32LittleEndian(bufferSizeBytes);
+
+        if (bufferAddress == 0)
+        {
+            return OrbisPlayGoErrorBadPointer;
+        }
+
+        if (bufferSize < PlayGoMinimumInitBufferSize)
+        {
+            return OrbisPlayGoErrorBadSize;
+        }
+
+        lock (_stateGate)
+        {
+            if (_initialized)
+            {
+                return OrbisPlayGoErrorAlreadyInitialized;
+            }
+
+            _hasPlayGoData = HasPlayGoChunkData();
+            _initialized = true;
+        }
+
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "M1Gma1ocrGE",
+        ExportName = "scePlayGoOpen",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libScePlayGo")]
+    public static int PlayGoOpen(CpuContext ctx)
+    {
+        var outHandleAddress = ctx[CpuRegister.Rdi];
+        var paramAddress = ctx[CpuRegister.Rsi];
+        if (outHandleAddress == 0)
+        {
+            return OrbisPlayGoErrorBadPointer;
+        }
+
+        if (paramAddress != 0)
+        {
+            return OrbisPlayGoErrorInvalidArgument;
+        }
+
+        lock (_stateGate)
+        {
+            if (!_initialized)
+            {
+                return OrbisPlayGoErrorNotInitialized;
+            }
+
+            if (!_hasPlayGoData)
+            {
+                return OrbisPlayGoErrorNotSupportPlayGo;
+            }
+        }
+
+        Span<byte> handleBytes = stackalloc byte[sizeof(uint)];
+        BinaryPrimitives.WriteUInt32LittleEndian(handleBytes, PlayGoHandle);
+        if (!ctx.Memory.TryWrite(outHandleAddress, handleBytes))
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "MPe0EeBGM-E",
+        ExportName = "scePlayGoTerminate",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libScePlayGo")]
+    public static int PlayGoTerminate(CpuContext ctx)
+    {
+        _ = ctx;
+        lock (_stateGate)
+        {
+            if (!_initialized)
+            {
+                return OrbisPlayGoErrorNotInitialized;
+            }
+
+            _initialized = false;
+            _hasPlayGoData = false;
+        }
+
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "Uco1I0dlDi8",
+        ExportName = "scePlayGoClose",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libScePlayGo")]
+    public static int PlayGoClose(CpuContext ctx)
+    {
+        var handle = unchecked((uint)ctx[CpuRegister.Rdi]);
+        lock (_stateGate)
+        {
+            if (!_initialized)
+            {
+                return OrbisPlayGoErrorNotInitialized;
+            }
+
+            if (handle != PlayGoHandle)
+            {
+                return OrbisPlayGoErrorBadHandle;
+            }
+        }
+
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    private static bool HasPlayGoChunkData()
+    {
+        var app0Root = Environment.GetEnvironmentVariable("SHARPEMU_APP0_DIR");
+        if (string.IsNullOrWhiteSpace(app0Root))
+        {
+            return false;
+        }
+
+        var hostPath = Path.Combine(app0Root, "sce_sys", "playgo-chunk.dat");
+        return File.Exists(hostPath);
+    }
+}

src/SharpEmu.Libs/Rtc/RtcExports.cs

@@ -0,0 +1,119 @@
+// Copyright (C) 2026 SharpEmu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+using SharpEmu.HLE;
+using System.Buffers.Binary;
+
+namespace SharpEmu.Libs.Rtc;
+
+public static class RtcExports
+{
+    [SysAbiExport(
+        Nid = "ZPD1YOKI+Kw",
+        ExportName = "sceRtcGetCurrentClockLocalTime",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceRtc")]
+    public static int RtcGetCurrentClockLocalTime(CpuContext ctx)
+    {
+        var timeAddress = ctx[CpuRegister.Rdi];
+        if (timeAddress == 0)
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
+        }
+
+        var now = DateTimeOffset.Now;
+        Span<byte> rtcDateTime = stackalloc byte[16];
+        BinaryPrimitives.WriteUInt16LittleEndian(rtcDateTime[0..2], checked((ushort)now.Year));
+        BinaryPrimitives.WriteUInt16LittleEndian(rtcDateTime[2..4], checked((ushort)now.Month));
+        BinaryPrimitives.WriteUInt16LittleEndian(rtcDateTime[4..6], checked((ushort)now.Day));
+        BinaryPrimitives.WriteUInt16LittleEndian(rtcDateTime[6..8], checked((ushort)now.Hour));
+        BinaryPrimitives.WriteUInt16LittleEndian(rtcDateTime[8..10], checked((ushort)now.Minute));
+        BinaryPrimitives.WriteUInt16LittleEndian(rtcDateTime[10..12], checked((ushort)now.Second));
+        BinaryPrimitives.WriteUInt32LittleEndian(
+            rtcDateTime[12..16],
+            checked((uint)((now.Ticks % TimeSpan.TicksPerSecond) / 10)));
+
+        if (!ctx.Memory.TryWrite(timeAddress, rtcDateTime))
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        ctx[CpuRegister.Rax] = 0;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "8w-H19ip48I",
+        ExportName = "sceRtcGetTick",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceRtc")]
+    public static int RtcGetTick(CpuContext ctx)
+    {
+        var dateTimeAddress = ctx[CpuRegister.Rdi];
+        var tickAddress = ctx[CpuRegister.Rsi];
+        if (dateTimeAddress == 0 || tickAddress == 0)
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
+        }
+
+        if (!TryReadRtcDateTime(ctx, dateTimeAddress, out var rtcDateTime))
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        ulong tickValue;
+        try
+        {
+            var baseDateTime = new DateTime(
+                rtcDateTime.Year,
+                rtcDateTime.Month,
+                rtcDateTime.Day,
+                rtcDateTime.Hour,
+                rtcDateTime.Minute,
+                rtcDateTime.Second,
+                DateTimeKind.Utc);
+            tickValue = checked((ulong)((baseDateTime.Ticks / 10) + rtcDateTime.Microsecond));
+        }
+        catch (ArgumentOutOfRangeException)
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
+        }
+
+        if (!ctx.TryWriteUInt64(tickAddress, tickValue))
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        ctx[CpuRegister.Rax] = 0;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    private static bool TryReadRtcDateTime(CpuContext ctx, ulong address, out RtcDateTime rtcDateTime)
+    {
+        Span<byte> buffer = stackalloc byte[16];
+        if (!ctx.Memory.TryRead(address, buffer))
+        {
+            rtcDateTime = default;
+            return false;
+        }
+
+        rtcDateTime = new RtcDateTime(
+            BinaryPrimitives.ReadUInt16LittleEndian(buffer[0..2]),
+            BinaryPrimitives.ReadUInt16LittleEndian(buffer[2..4]),
+            BinaryPrimitives.ReadUInt16LittleEndian(buffer[4..6]),
+            BinaryPrimitives.ReadUInt16LittleEndian(buffer[6..8]),
+            BinaryPrimitives.ReadUInt16LittleEndian(buffer[8..10]),
+            BinaryPrimitives.ReadUInt16LittleEndian(buffer[10..12]),
+            BinaryPrimitives.ReadUInt32LittleEndian(buffer[12..16]));
+        return true;
+    }
+
+    private readonly record struct RtcDateTime(
+        ushort Year,
+        ushort Month,
+        ushort Day,
+        ushort Hour,
+        ushort Minute,
+        ushort Second,
+        uint Microsecond);
+}

src/SharpEmu.Libs/VideoOut/VideoOutExports.cs

@@ -2,9 +2,408 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 using SharpEmu.HLE;
+using System.Buffers.Binary;
+using System.Diagnostics.CodeAnalysis;
+using System.Threading;
 
 namespace SharpEmu.Libs.VideoOut;
 
 public static class VideoOutExports
 {
+    private const int OrbisVideoOutErrorInvalidValue = unchecked((int)0x80290001);
+    private const int OrbisVideoOutErrorInvalidAddress = unchecked((int)0x80290002);
+    private const int OrbisVideoOutErrorResourceBusy = unchecked((int)0x80290009);
+    private const int OrbisVideoOutErrorInvalidIndex = unchecked((int)0x8029000A);
+    private const int OrbisVideoOutErrorInvalidHandle = unchecked((int)0x8029000B);
+    private const int OrbisVideoOutErrorInvalidOption = unchecked((int)0x8029001A);
+    private const int SceVideoOutBusTypeMain = 0;
+    private const int SceVideoOutBufferAttributeOptionNone = 0;
+    private const int MaxOpenPorts = 4;
+    private const int MaxDisplayBuffers = 16;
+    private const int VideoOutBufferAttributeSize = 0x24;
+    private const int VideoOutBufferAttribute2Size = 0x50;
+    private const int VideoOutBuffersEntrySize = 0x20;
+
+    private static readonly object _stateGate = new();
+    private static readonly Dictionary<int, VideoOutPortState> _ports = new();
+    private static int _nextHandle = 1;
+
+    private sealed class VideoOutPortState
+    {
+        public required int Handle { get; init; }
+        public int FlipRate { get; set; }
+        public ulong VblankCount { get; set; }
+        public int NextSetId { get; set; } = 1;
+        public HashSet<int> RegisteredSetIds { get; } = new();
+    }
+
+    [SysAbiExport(
+        Nid = "Up36PTk687E",
+        ExportName = "sceVideoOutOpen",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceVideoOut")]
+    public static int VideoOutOpen(CpuContext ctx)
+    {
+        var userId = unchecked((int)ctx[CpuRegister.Rdi]);
+        var busType = unchecked((int)ctx[CpuRegister.Rsi]);
+        var index = unchecked((int)ctx[CpuRegister.Rdx]);
+        _ = ctx[CpuRegister.Rcx];
+
+        if (busType != SceVideoOutBusTypeMain || index != 0)
+        {
+            return OrbisVideoOutErrorInvalidValue;
+        }
+
+        if (userId != 0 && userId != 255)
+        {
+            return OrbisVideoOutErrorInvalidValue;
+        }
+
+        lock (_stateGate)
+        {
+            if (_ports.Count >= MaxOpenPorts)
+            {
+                return OrbisVideoOutErrorResourceBusy;
+            }
+
+            var handle = _nextHandle++;
+            _ports[handle] = new VideoOutPortState
+            {
+                Handle = handle,
+            };
+            return handle;
+        }
+    }
+
+    [SysAbiExport(
+        Nid = "uquVH4-Du78",
+        ExportName = "sceVideoOutClose",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceVideoOut")]
+    public static int VideoOutClose(CpuContext ctx)
+    {
+        var handle = unchecked((int)ctx[CpuRegister.Rdi]);
+        lock (_stateGate)
+        {
+            _ports.Remove(handle);
+        }
+
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "CBiu4mCE1DA",
+        ExportName = "sceVideoOutSetFlipRate",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceVideoOut")]
+    public static int VideoOutSetFlipRate(CpuContext ctx)
+    {
+        var handle = unchecked((int)ctx[CpuRegister.Rdi]);
+        var rate = unchecked((int)ctx[CpuRegister.Rsi]);
+        if (rate is < 0 or > 2)
+        {
+            return OrbisVideoOutErrorInvalidValue;
+        }
+
+        if (!TryGetPort(handle, out var port))
+        {
+            return OrbisVideoOutErrorInvalidHandle;
+        }
+
+        port.FlipRate = rate;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "j6RaAUlaLv0",
+        ExportName = "sceVideoOutWaitVblank",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceVideoOut")]
+    public static int VideoOutWaitVblank(CpuContext ctx)
+    {
+        var handle = unchecked((int)ctx[CpuRegister.Rdi]);
+        if (!TryGetPort(handle, out var port))
+        {
+            return OrbisVideoOutErrorInvalidHandle;
+        }
+
+        Thread.Sleep(1);
+        lock (_stateGate)
+        {
+            port.VblankCount++;
+        }
+
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "MTxxrOCeSig",
+        ExportName = "sceVideoOutSetWindowModeMargins",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceVideoOut")]
+    public static int VideoOutSetWindowModeMargins(CpuContext ctx)
+    {
+        var handle = unchecked((int)ctx[CpuRegister.Rdi]);
+        _ = unchecked((int)ctx[CpuRegister.Rsi]);
+        _ = unchecked((int)ctx[CpuRegister.Rdx]);
+
+        return TryGetPort(handle, out _)
+            ? (int)OrbisGen2Result.ORBIS_GEN2_OK
+            : OrbisVideoOutErrorInvalidHandle;
+    }
+
+    [SysAbiExport(
+        Nid = "N5KDtkIjjJ4",
+        ExportName = "sceVideoOutUnregisterBuffers",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceVideoOut")]
+    public static int VideoOutUnregisterBuffers(CpuContext ctx)
+    {
+        var handle = unchecked((int)ctx[CpuRegister.Rdi]);
+        var attributeIndex = unchecked((int)ctx[CpuRegister.Rsi]);
+        if (!TryGetPort(handle, out var port))
+        {
+            return OrbisVideoOutErrorInvalidHandle;
+        }
+
+        if (attributeIndex < 0)
+        {
+            return OrbisVideoOutErrorInvalidValue;
+        }
+
+        lock (_stateGate)
+        {
+            return port.RegisteredSetIds.Remove(attributeIndex)
+                ? (int)OrbisGen2Result.ORBIS_GEN2_OK
+                : OrbisVideoOutErrorInvalidValue;
+        }
+    }
+
+    [SysAbiExport(
+        Nid = "i6-sR91Wt-4",
+        ExportName = "sceVideoOutSetBufferAttribute",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceVideoOut")]
+    public static int VideoOutSetBufferAttribute(CpuContext ctx)
+    {
+        var attributeAddress = ctx[CpuRegister.Rdi];
+        var pixelFormat = unchecked((uint)ctx[CpuRegister.Rsi]);
+        var tilingMode = unchecked((uint)ctx[CpuRegister.Rdx]);
+        var aspectRatio = unchecked((uint)ctx[CpuRegister.Rcx]);
+        var width = unchecked((uint)ctx[CpuRegister.R8]);
+        var height = unchecked((uint)ctx[CpuRegister.R9]);
+        if (!TryReadStackUInt32(ctx, 0, out var pitchInPixel))
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        if (attributeAddress == 0)
+        {
+            return OrbisVideoOutErrorInvalidAddress;
+        }
+
+        Span<byte> attribute = stackalloc byte[VideoOutBufferAttributeSize];
+        attribute.Clear();
+        BinaryPrimitives.WriteUInt32LittleEndian(attribute[0x00..0x04], pixelFormat);
+        BinaryPrimitives.WriteUInt32LittleEndian(attribute[0x04..0x08], tilingMode);
+        BinaryPrimitives.WriteUInt32LittleEndian(attribute[0x08..0x0C], aspectRatio);
+        BinaryPrimitives.WriteUInt32LittleEndian(attribute[0x0C..0x10], width);
+        BinaryPrimitives.WriteUInt32LittleEndian(attribute[0x10..0x14], height);
+        BinaryPrimitives.WriteUInt32LittleEndian(attribute[0x14..0x18], pitchInPixel);
+        BinaryPrimitives.WriteUInt32LittleEndian(attribute[0x18..0x1C], SceVideoOutBufferAttributeOptionNone);
+        if (!ctx.Memory.TryWrite(attributeAddress, attribute))
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "PjS5uASwcV8",
+        ExportName = "sceVideoOutSetBufferAttribute2",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceVideoOut")]
+    public static int VideoOutSetBufferAttribute2(CpuContext ctx)
+    {
+        var attributeAddress = ctx[CpuRegister.Rdi];
+        var pixelFormat = ctx[CpuRegister.Rsi];
+        var tilingMode = unchecked((uint)ctx[CpuRegister.Rdx]);
+        var width = unchecked((uint)ctx[CpuRegister.Rcx]);
+        var height = unchecked((uint)ctx[CpuRegister.R8]);
+        var option = ctx[CpuRegister.R9];
+        if (!TryReadStackUInt32(ctx, 0, out var dccControl) ||
+            !ctx.TryReadUInt64(ctx[CpuRegister.Rsp] + 0x10, out var dccClearColor))
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        if (attributeAddress == 0)
+        {
+            return OrbisVideoOutErrorInvalidAddress;
+        }
+
+        Span<byte> attribute = stackalloc byte[VideoOutBufferAttribute2Size];
+        attribute.Clear();
+        BinaryPrimitives.WriteUInt32LittleEndian(attribute[0x04..0x08], tilingMode);
+        BinaryPrimitives.WriteUInt32LittleEndian(attribute[0x0C..0x10], width);
+        BinaryPrimitives.WriteUInt32LittleEndian(attribute[0x10..0x14], height);
+        BinaryPrimitives.WriteUInt64LittleEndian(attribute[0x18..0x20], option);
+        BinaryPrimitives.WriteUInt64LittleEndian(attribute[0x20..0x28], pixelFormat);
+        BinaryPrimitives.WriteUInt64LittleEndian(attribute[0x28..0x30], dccClearColor);
+        BinaryPrimitives.WriteUInt32LittleEndian(attribute[0x30..0x34], dccControl);
+        if (!ctx.Memory.TryWrite(attributeAddress, attribute))
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "w3BY+tAEiQY",
+        ExportName = "sceVideoOutRegisterBuffers",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceVideoOut")]
+    public static int VideoOutRegisterBuffers(CpuContext ctx)
+    {
+        var handle = unchecked((int)ctx[CpuRegister.Rdi]);
+        var startIndex = unchecked((int)ctx[CpuRegister.Rsi]);
+        var addressesAddress = ctx[CpuRegister.Rdx];
+        var bufferNum = unchecked((int)ctx[CpuRegister.Rcx]);
+        var attributeAddress = ctx[CpuRegister.R8];
+        if (!TryGetPort(handle, out var port))
+        {
+            return OrbisVideoOutErrorInvalidHandle;
+        }
+
+        if (addressesAddress == 0)
+        {
+            return OrbisVideoOutErrorInvalidAddress;
+        }
+
+        if (attributeAddress == 0)
+        {
+            return OrbisVideoOutErrorInvalidOption;
+        }
+
+        if (!IsValidBufferRange(startIndex, bufferNum))
+        {
+            return OrbisVideoOutErrorInvalidValue;
+        }
+
+        for (var i = 0; i < bufferNum; i++)
+        {
+            if (!ctx.TryReadUInt64(addressesAddress + ((ulong)i * 8), out _))
+            {
+                return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+            }
+        }
+
+        var setId = AllocateBufferSet(port);
+        return setId;
+    }
+
+    [SysAbiExport(
+        Nid = "rKBUtgRrtbk",
+        ExportName = "sceVideoOutRegisterBuffers2",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceVideoOut")]
+    public static int VideoOutRegisterBuffers2(CpuContext ctx)
+    {
+        var handle = unchecked((int)ctx[CpuRegister.Rdi]);
+        var setIndex = unchecked((int)ctx[CpuRegister.Rsi]);
+        var bufferIndexStart = unchecked((int)ctx[CpuRegister.Rdx]);
+        var buffersAddress = ctx[CpuRegister.Rcx];
+        var bufferNum = unchecked((int)ctx[CpuRegister.R8]);
+        var attributeAddress = ctx[CpuRegister.R9];
+        if (!ctx.TryReadUInt64(ctx[CpuRegister.Rsp] + 0x08, out var categoryRaw) ||
+            !ctx.TryReadUInt64(ctx[CpuRegister.Rsp] + 0x10, out var option))
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        if (!TryGetPort(handle, out var port))
+        {
+            return OrbisVideoOutErrorInvalidHandle;
+        }
+
+        if (buffersAddress == 0)
+        {
+            return OrbisVideoOutErrorInvalidAddress;
+        }
+
+        if (attributeAddress == 0)
+        {
+            return OrbisVideoOutErrorInvalidOption;
+        }
+
+        if (!IsValidBufferRange(bufferIndexStart, bufferNum))
+        {
+            return OrbisVideoOutErrorInvalidValue;
+        }
+
+        if (categoryRaw != 0 || option != 0)
+        {
+            return OrbisVideoOutErrorInvalidValue;
+        }
+
+        for (var i = 0; i < bufferNum; i++)
+        {
+            var entryAddress = buffersAddress + ((ulong)i * VideoOutBuffersEntrySize);
+            if (!ctx.TryReadUInt64(entryAddress + 0x00, out _) ||
+                !ctx.TryReadUInt64(entryAddress + 0x08, out _))
+            {
+                return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+            }
+        }
+
+        lock (_stateGate)
+        {
+            port.RegisteredSetIds.Add(setIndex);
+        }
+
+        return setIndex;
+    }
+
+    private static int AllocateBufferSet(VideoOutPortState port)
+    {
+        lock (_stateGate)
+        {
+            var setId = port.NextSetId++;
+            port.RegisteredSetIds.Add(setId);
+            return setId;
+        }
+    }
+
+    private static bool IsValidBufferRange(int startIndex, int bufferNum)
+    {
+        return startIndex >= 0 &&
+               startIndex < MaxDisplayBuffers &&
+               bufferNum >= 1 &&
+               bufferNum <= MaxDisplayBuffers &&
+               startIndex + bufferNum <= MaxDisplayBuffers;
+    }
+
+    private static bool TryGetPort(int handle, [NotNullWhen(true)] out VideoOutPortState? port)
+    {
+        lock (_stateGate)
+        {
+            return _ports.TryGetValue(handle, out port);
+        }
+    }
+
+    private static bool TryReadStackUInt32(CpuContext ctx, int stackIndex, out uint value)
+    {
+        var address = ctx[CpuRegister.Rsp] + 0x08 + ((ulong)stackIndex * 0x08);
+        Span<byte> buffer = stackalloc byte[sizeof(uint)];
+        if (!ctx.Memory.TryRead(address, buffer))
+        {
+            value = 0;
+            return false;
+        }
+
+        value = BinaryPrimitives.ReadUInt32LittleEndian(buffer);
+        return true;
+    }
 }