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kern: Nintendo now also devirtualizes KAutoObject::DynamicCast

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This commit is contained in:
Michael Scire
2025-11-11 10:54:32 -07:00
parent 99ad25fbff
commit 0b9cf32cdc
2 changed files with 3 additions and 25 deletions
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21
libraries/libmesosphere/include/mesosphere/kern_k_auto_object.hpp
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@@ -121,14 +121,9 @@ namespace ams::kern {
private:
KAutoObject *m_next_closed_object;
ReferenceCount m_ref_count;
#if defined(MESOSPHERE_ENABLE_DEVIRTUALIZED_DYNAMIC_CAST)
ClassTokenType m_class_token;
#endif
public:
constexpr ALWAYS_INLINE explicit KAutoObject(util::ConstantInitializeTag) : m_next_closed_object(nullptr), m_ref_count(0)
#if defined(MESOSPHERE_ENABLE_DEVIRTUALIZED_DYNAMIC_CAST)
, m_class_token(0)
#endif
constexpr ALWAYS_INLINE explicit KAutoObject(util::ConstantInitializeTag) : m_next_closed_object(nullptr), m_ref_count(0), m_class_token(0)
{
MESOSPHERE_ASSERT_THIS();
}
@@ -151,19 +146,11 @@ namespace ams::kern {
}
ALWAYS_INLINE bool IsDerivedFrom(const TypeObj &rhs) const {
#if defined(MESOSPHERE_ENABLE_DEVIRTUALIZED_DYNAMIC_CAST)
return TypeObj::IsClassTokenDerivedFrom(m_class_token, rhs.GetClassToken());
#else
return this->GetTypeObj().IsDerivedFrom(rhs);
#endif
return TypeObj::IsClassTokenDerivedFrom(m_class_token, rhs.GetClassToken());
}
ALWAYS_INLINE bool IsDerivedFrom(const KAutoObject &rhs) const {
#if defined(MESOSPHERE_ENABLE_DEVIRTUALIZED_DYNAMIC_CAST)
return TypeObj::IsClassTokenDerivedFrom(m_class_token, rhs.m_class_token);
#else
return this->IsDerivedFrom(rhs.GetTypeObj());
#endif
return TypeObj::IsClassTokenDerivedFrom(m_class_token, rhs.m_class_token);
}
template<typename Derived>
@@ -218,12 +205,10 @@ namespace ams::kern {
KAutoObject &auto_object = *static_cast<KAutoObject *>(obj);
/* If we should, set our class token. */
#if defined(MESOSPHERE_ENABLE_DEVIRTUALIZED_DYNAMIC_CAST)
{
constexpr auto Token = Derived::GetStaticTypeObj().GetClassToken();
auto_object.m_class_token = Token;
}
#endif
/* Initialize reference count to 1. */
auto_object.m_ref_count = 1;