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Fix ThreadZeroTlsCell

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momo5502
2025-01-25 19:15:47 +01:00
parent 13d7700060
commit 780ff47326
1 changed files with 15 additions and 4 deletions
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19
src/windows-emulator/syscalls.cpp
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@@ -352,11 +352,22 @@ namespace
return STATUS_BUFFER_OVERFLOW;
}
const auto tls_index = c.emu.read_memory<ULONG>(thread_information);
const auto teb = thread->teb->read();
const auto tls_cell = c.emu.read_memory<ULONG>(thread_information);
auto* tls_vector = teb.ThreadLocalStoragePointer;
c.emu.write_memory<void*>(tls_vector + tls_index, nullptr);
for (const auto& t : c.proc.threads | std::views::values)
{
t.teb->access([&](TEB64& teb) {
if (tls_cell < TLS_MINIMUM_AVAILABLE)
{
teb.TlsSlots.arr[tls_cell] = nullptr;
}
else if (teb.TlsExpansionSlots)
{
const emulator_object<emulator_pointer> expansion_slots(c.emu, teb.TlsExpansionSlots);
expansion_slots.write(0, tls_cell - TLS_MINIMUM_AVAILABLE);
}
});
}
return STATUS_SUCCESS;
}