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revert: restore state before huge regression

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ParantezTech
2026-07-23 16:03:45 +03:00
parent 5a08a9bb43
commit 6db095ec82
39 changed files with 230 additions and 4186 deletions
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tests/SharpEmu.Libs.Tests/Memory/GuestImageWriteTrackerTests.cs
+3 -43
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@@ -24,53 +24,13 @@ public sealed unsafe class GuestImageWriteTrackerTests
// spilling onto neighbouring heap pages.
private const nuint TrackedByteCount = 4096;
private const nuint HostPageAlignment = 16384;
private const uint MemCommit = 0x1000;
private const uint MemReserve = 0x2000;
private const uint MemRelease = 0x8000;
private const uint PageReadWrite = 0x04;
[DllImport("kernel32.dll", SetLastError = true)]
private static extern nint VirtualAlloc(
nint lpAddress,
nuint dwSize,
uint flAllocationType,
uint flProtect);
[DllImport("kernel32.dll", SetLastError = true)]
private static extern int VirtualFree(nint lpAddress, nuint dwSize, uint dwFreeType);
private static ulong AllocateTrackedPages(out void* allocation)
{
// VirtualProtect (Windows) / mprotect (POSIX) must target
// VirtualAlloc/mmap pages. Protecting CRT heap pages poisons
// neighbouring allocator metadata and crashes the test host.
if (OperatingSystem.IsWindows())
{
var windowsAllocation = VirtualAlloc(
0,
HostPageAlignment,
MemCommit | MemReserve,
PageReadWrite);
Assert.NotEqual(nint.Zero, windowsAllocation);
allocation = (void*)windowsAllocation;
return (ulong)windowsAllocation;
}
allocation = NativeMemory.AlignedAlloc(2 * HostPageAlignment, HostPageAlignment);
return (ulong)allocation;
}
private static void FreeTrackedPages(void* allocation)
{
if (OperatingSystem.IsWindows())
{
_ = VirtualFree((nint)allocation, 0, MemRelease);
return;
}
NativeMemory.Free(allocation);
}
[Fact]
public void GenerationSurvivesDirtyConsume()
{
@@ -98,7 +58,7 @@ public sealed unsafe class GuestImageWriteTrackerTests
finally
{
GuestImageWriteTracker.Untrack(address);
FreeTrackedPages(allocation);
NativeMemory.Free(allocation);
}
}
@@ -129,7 +89,7 @@ public sealed unsafe class GuestImageWriteTrackerTests
finally
{
GuestImageWriteTracker.Untrack(address);
FreeTrackedPages(allocation);
NativeMemory.Free(allocation);
}
}
@@ -158,7 +118,7 @@ public sealed unsafe class GuestImageWriteTrackerTests
finally
{
GuestImageWriteTracker.Untrack(address);
FreeTrackedPages(allocation);
NativeMemory.Free(allocation);
}
}