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feat: add VectoredExceptionHandler

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goaaats 2021-10-29 21:36:25 +02:00
parent 37275d9397
commit 64ecdb58fd
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6 changed files with 490 additions and 5 deletions
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86
Dalamud/EntryPoint.cs
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@ -1,6 +1,7 @@
using System;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Net;
using System.Runtime.InteropServices;
using System.Threading;
@ -70,6 +71,8 @@ namespace Dalamud
Log.Information(new string('-', 80));
Log.Information("Initializing a session..");
var vehManager = new VehManager(0, OnVectoredException);
// This is due to GitHub not supporting TLS 1.0, so we enable all TLS versions globally
ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12 | SecurityProtocolType.Tls;
@ -81,6 +84,7 @@ namespace Dalamud
dalamud.WaitForUnload();
dalamud.Dispose();
vehManager.Dispose();
}
catch (Exception ex)
{
@ -192,6 +196,88 @@ namespace Dalamud
}
}
private static unsafe int OnVectoredException(ref VehManager.ExceptionPointers ex)
{
if (!Enum.IsDefined(typeof(VehManager.ExceptionCode), ex.ExceptionRecord->ExceptionCode))
return VehManager.ExceptionContinueSearch;
var code = (VehManager.ExceptionCode)ex.ExceptionRecord->ExceptionCode;
var address = ex.ExceptionRecord->ExceptionAddress;
var info = $"{code}(0x{ex.ExceptionRecord->ExceptionCode:X})";
var module = Process.GetCurrentProcess().Modules.Cast<ProcessModule>().FirstOrDefault(m => address >= m.BaseAddress && address < m.BaseAddress + m.ModuleMemorySize);
if (module != null)
{
var rva = address - module.BaseAddress;
info += $"\nat {module.ModuleName}+{rva:X}";
}
else
{
info += $"\nat {ex.ExceptionRecord->ExceptionAddress:X}";
}
const MessageBoxType flags = NativeFunctions.MessageBoxType.AbortRetryIgnore | NativeFunctions.MessageBoxType.IconError | NativeFunctions.MessageBoxType.SystemModal;
var result = MessageBoxW(
Process.GetCurrentProcess().MainWindowHandle,
$"An error within the game occurred and Dalamud handled it. This may indicate a malfunctioning plugin.\nThe game must close.\n\n{info}\n\nMore information has been recorded separately, please contact us in our Discord or on GitHub.\n\n" +
"Click \"Abort\" to save further information.\n" +
"Click \"Retry\" to disable all plugins.\n" +
"Click \"Ignore\" to do nothing and quit.",
"Dalamud",
flags);
switch (result)
{
case (int)User32.MessageBoxResult.IDRETRY:
{
Log.Information("User chose to disable plugins on next launch...");
var config = Service<DalamudConfiguration>.Get();
config.PluginSafeMode = true;
config.Save();
break;
}
case (int)User32.MessageBoxResult.IDABORT:
{
// TODO: We can also do this for managed exceptions, but do we want to? It requires doing dumps with full memory.
Log.Information("User chose to save minidump...");
#if DEBUG
var path = Path.Combine(Path.GetDirectoryName(typeof(EntryPoint).Assembly.Location), $"dalamud_appcrashd_{DateTimeOffset.Now.ToUnixTimeSeconds()}.dmp");
#else
var path = Path.Combine(Path.GetDirectoryName(typeof(EntryPoint).Assembly.Location), "..", "..", "..", $"dalamud_appcrash_{DateTimeOffset.Now.ToUnixTimeSeconds()}.dmp");
#endif
try
{
var file = new FileStream(path, FileMode.Create);
fixed (void* pEx = &ex)
{
var mdmpInfo = default(MinidumpExceptionInformation);
mdmpInfo.ClientPointers = 1;
mdmpInfo.ExceptionPointers = new IntPtr(pEx);
mdmpInfo.ThreadId = GetCurrentThreadId();
MiniDumpWriteDump(GetCurrentProcess(), GetCurrentProcessId(), file.SafeFileHandle.DangerousGetHandle(), (int)MiniDumpType.MiniDumpWithDataSegs, ref mdmpInfo, IntPtr.Zero, IntPtr.Zero);
}
}
catch (Exception e)
{
Log.Error(e, "Failed to save minidump");
}
break;
}
}
Environment.Exit(-1);
return VehManager.ExceptionContinueSearch;
}
private static void OnUnhandledException(object sender, UnhandledExceptionEventArgs args)
{
switch (args.ExceptionObject)