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Dispatcher: Fixes range check of InterruptFaultPage

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This one wasn't updated and it's right at the limit of what it can
handle.
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Ryan Houdek committed 2026-09-21 14:45:56 -07:00
1 parent c747be4d8b
commit 5006e02498
1 file changed
+9 -2
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FEXCore/Source/Interface/Core/Dispatcher/Dispatcher.cpp
+9 -2
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@@ -276,8 +276,15 @@ void Dispatcher::EmitDispatcher() {
str(TMP2, STATE, offsetof(FEXCore::Core::CPUState, DeferredSignalRefCount));
// Trigger segfault if any deferred signals are pending
strb(ARMEmitter::XReg::zr, STATE,
offsetof(FEXCore::Core::InternalThreadState, InterruptFaultPage) - offsetof(FEXCore::Core::InternalThreadState, BaseFrameState));
constexpr size_t InterruptPageOffset =
offsetof(FEXCore::Core::InternalThreadState, InterruptFaultPage) - offsetof(FEXCore::Core::InternalThreadState, BaseFrameState);
if constexpr (InterruptPageOffset <= 32760) {
str(ARMEmitter::XReg::zr, STATE, InterruptPageOffset);
} else {
// Need to use vector 128-bit store for this range.
// Doesn't matter which register we use to store.
str(ARMEmitter::QReg::q0, STATE, InterruptPageOffset);
}
#endif
};