fix win64 crashes and enable LARGE_WORLDS

2026-08-05 12:27:03 +03:00
parent 1cb41e61c1
commit b5c3832e07
5 changed files with 50 additions and 13 deletions
@@ -20,9 +20,16 @@ void SetThreadName( DWORD dwThreadID, LPCSTR szThreadName )
    info.dwFlags = 0;
 	
 #if ( defined _WINDOWS64 | defined _DURANGO )
+	// 0x406D1388 is a debugger protocol, not a real exception - only a debugger
+	// can consume it. With nothing attached it terminates the process.
+	if( !IsDebuggerPresent() )
+		return;
+
 	__try
 	{
-		RaiseException( 0x406D1388, 0, sizeof(info)/sizeof(DWORD), (ULONG_PTR *)&info );
+		// count is in ULONG_PTRs, not DWORDs - on x64 the DWORD count made
+		// RaiseException read past the end of info
+		RaiseException( 0x406D1388, 0, sizeof(info)/sizeof(ULONG_PTR), (ULONG_PTR *)&info );
 	}
 	__except( GetExceptionCode()==0x406D1388 ? EXCEPTION_CONTINUE_EXECUTION : EXCEPTION_EXECUTE_HANDLER )
 	{