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feat: implement cosf, time, ctype tables, tracked heap access, IL2CPP lookup ABI paths (#542)

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* fix: add Messenger CRT and AGC compatibility shims

* fix: keep Messenger IL2CPP bootstrap on HLE shims

* Fix Messenger compatibility ABI handling

* Make IL2CPP ABI regression tests portable
This commit is contained in:
Kurt Himebauch
2026-07-23 08:35:59 -04:00
committed by GitHub
parent 7b950166d7
commit 2764aaab3f
8 changed files with 570 additions and 20 deletions
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src/SharpEmu.Libs/Kernel/KernelMemoryCompatExports.cs
+51 -4
View File
@@ -5855,7 +5855,7 @@ public static partial class KernelMemoryCompatExports
return true;
}
if (!TryReadHostMemory(address, destination))
if (!TryReadTrackedLibcHeap(address, destination) && !TryReadHostMemory(address, destination))
{
return false;
}
@@ -5921,7 +5921,7 @@ public static partial class KernelMemoryCompatExports
return true;
}
if (!TryWriteHostMemory(address, source))
if (!TryWriteTrackedLibcHeap(address, source) && !TryWriteHostMemory(address, source))
{
return false;
}
@@ -6663,7 +6663,7 @@ public static partial class KernelMemoryCompatExports
}
}
internal static bool TryReadTrackedLibcHeap(
internal static unsafe bool TryReadTrackedLibcHeap(
ulong address,
Span<byte> destination)
{
@@ -6687,7 +6687,54 @@ public static partial class KernelMemoryCompatExports
continue;
}
return TryReadHostMemory(address, destination);
try
{
// Marshal.AllocHGlobal allocations are not present in the
// emulator's POSIX HostMemory map, so TryReadHostMemory
// would reject this already-bounds-checked range.
new ReadOnlySpan<byte>((void*)address, destination.Length).CopyTo(destination);
return true;
}
catch
{
return false;
}
}
}
return false;
}
private static unsafe bool TryWriteTrackedLibcHeap(ulong address, ReadOnlySpan<byte> source)
{
if (source.IsEmpty)
{
return true;
}
var length = (ulong)source.Length;
lock (_libcAllocGate)
{
foreach (var (allocationAddress, allocation) in _libcAllocations)
{
var allocationSize = (ulong)allocation.Size;
var offset = address >= allocationAddress
? address - allocationAddress
: ulong.MaxValue;
if (offset > allocationSize || length > allocationSize - offset)
{
continue;
}
try
{
source.CopyTo(new Span<byte>((void*)address, source.Length));
return true;
}
catch
{
return false;
}
}
}