14ce9e1567
* Initial commit with a lot of testing stuff. * Partial Unmap Cleanup Part 1 * Fix some minor issues, hopefully windows tests. * Disable partial unmap tests on macos for now Weird issue. * Goodbye magic number * Add COMPlus_EnableAlternateStackCheck for tests `COMPlus_EnableAlternateStackCheck` is needed for NullReferenceException handling to work on linux after registering the signal handler, due to how dotnet registers its own signal handler. * Address some feedback * Force retry when memory is mapped in memory tracking This case existed before, but returning `false` no longer retries, so it would crash immediately after unprotecting the memory... Now, we return `true` to deliberately retry. This case existed before (was just broken by this change) and I don't really want to look into fixing the issue right now. Technically, this means that on guest code partial unmaps will retry _due to this_ rather than hitting the handler. I don't expect this to cause any issues. This should fix random crashes in Xenoblade Chronicles 2. * Use IsRangeMapped * Suppress MockMemoryManager.UnmapEvent warning This event is not signalled by the mock memory manager. * Remove 4kb mapping
96 lines
3.6 KiB
C#
96 lines
3.6 KiB
C#
using System;
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using System.Runtime.InteropServices;
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namespace Ryujinx.Memory.WindowsShared
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{
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static class WindowsApi
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{
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public static readonly IntPtr InvalidHandleValue = new IntPtr(-1);
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public static readonly IntPtr CurrentProcessHandle = new IntPtr(-1);
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[DllImport("kernel32.dll", SetLastError = true)]
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public static extern IntPtr VirtualAlloc(
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IntPtr lpAddress,
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IntPtr dwSize,
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AllocationType flAllocationType,
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MemoryProtection flProtect);
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[DllImport("KernelBase.dll", SetLastError = true)]
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public static extern IntPtr VirtualAlloc2(
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IntPtr process,
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IntPtr lpAddress,
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IntPtr dwSize,
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AllocationType flAllocationType,
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MemoryProtection flProtect,
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IntPtr extendedParameters,
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ulong parameterCount);
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[DllImport("kernel32.dll", SetLastError = true)]
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public static extern bool VirtualProtect(
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IntPtr lpAddress,
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IntPtr dwSize,
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MemoryProtection flNewProtect,
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out MemoryProtection lpflOldProtect);
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[DllImport("kernel32.dll", SetLastError = true)]
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public static extern bool VirtualFree(IntPtr lpAddress, IntPtr dwSize, AllocationType dwFreeType);
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[DllImport("kernel32.dll", SetLastError = true)]
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public static extern IntPtr CreateFileMapping(
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IntPtr hFile,
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IntPtr lpFileMappingAttributes,
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FileMapProtection flProtect,
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uint dwMaximumSizeHigh,
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uint dwMaximumSizeLow,
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[MarshalAs(UnmanagedType.LPWStr)] string lpName);
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[DllImport("kernel32.dll", SetLastError = true)]
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public static extern bool CloseHandle(IntPtr hObject);
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[DllImport("kernel32.dll", SetLastError = true)]
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public static extern IntPtr MapViewOfFile(
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IntPtr hFileMappingObject,
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uint dwDesiredAccess,
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uint dwFileOffsetHigh,
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uint dwFileOffsetLow,
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IntPtr dwNumberOfBytesToMap);
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[DllImport("KernelBase.dll", SetLastError = true)]
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public static extern IntPtr MapViewOfFile3(
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IntPtr hFileMappingObject,
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IntPtr process,
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IntPtr baseAddress,
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ulong offset,
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IntPtr dwNumberOfBytesToMap,
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ulong allocationType,
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MemoryProtection dwDesiredAccess,
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IntPtr extendedParameters,
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ulong parameterCount);
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[DllImport("kernel32.dll", SetLastError = true)]
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public static extern bool UnmapViewOfFile(IntPtr lpBaseAddress);
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[DllImport("KernelBase.dll", SetLastError = true)]
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public static extern bool UnmapViewOfFile2(IntPtr process, IntPtr lpBaseAddress, ulong unmapFlags);
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[DllImport("kernel32.dll")]
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public static extern uint GetLastError();
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[DllImport("kernel32.dll")]
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public static extern int GetCurrentThreadId();
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public static MemoryProtection GetProtection(MemoryPermission permission)
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{
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return permission switch
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{
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MemoryPermission.None => MemoryProtection.NoAccess,
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MemoryPermission.Read => MemoryProtection.ReadOnly,
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MemoryPermission.ReadAndWrite => MemoryProtection.ReadWrite,
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MemoryPermission.ReadAndExecute => MemoryProtection.ExecuteRead,
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MemoryPermission.ReadWriteExecute => MemoryProtection.ExecuteReadWrite,
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MemoryPermission.Execute => MemoryProtection.Execute,
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_ => throw new MemoryProtectionException(permission)
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};
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}
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}
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} |