From 1773a1039f7422df4faac08aa366b6a6bbd645e4 Mon Sep 17 00:00:00 2001
From: Liam <byteslice@airmail.cc>
Date: Thu, 16 Feb 2023 23:16:08 -0500
Subject: kernel: add KObjectName

---
 src/core/hle/kernel/k_object_name.h | 86 +++++++++++++++++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100644 src/core/hle/kernel/k_object_name.h

(limited to 'src/core/hle/kernel/k_object_name.h')

diff --git a/src/core/hle/kernel/k_object_name.h b/src/core/hle/kernel/k_object_name.h
new file mode 100644
index 000000000..b7f943134
--- /dev/null
+++ b/src/core/hle/kernel/k_object_name.h
@@ -0,0 +1,86 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <array>
+#include <memory>
+#include <boost/intrusive/list.hpp>
+
+#include "core/hle/kernel/k_light_lock.h"
+#include "core/hle/kernel/slab_helpers.h"
+#include "core/hle/kernel/svc_results.h"
+
+namespace Kernel {
+
+class KObjectNameGlobalData;
+
+class KObjectName : public KSlabAllocated<KObjectName>, public boost::intrusive::list_base_hook<> {
+public:
+    explicit KObjectName(KernelCore&) {}
+    virtual ~KObjectName() = default;
+
+    static constexpr size_t NameLengthMax = 12;
+    using List = boost::intrusive::list<KObjectName>;
+
+    static Result NewFromName(KernelCore& kernel, KAutoObject* obj, const char* name);
+    static Result Delete(KernelCore& kernel, KAutoObject* obj, const char* name);
+
+    static KScopedAutoObject<KAutoObject> Find(KernelCore& kernel, const char* name);
+
+    template <typename Derived>
+    static Result Delete(KernelCore& kernel, const char* name) {
+        // Find the object.
+        KScopedAutoObject obj = Find(kernel, name);
+        R_UNLESS(obj.IsNotNull(), ResultNotFound);
+
+        // Cast the object to the desired type.
+        Derived* derived = obj->DynamicCast<Derived*>();
+        R_UNLESS(derived != nullptr, ResultNotFound);
+
+        // Check that the object is closed.
+        R_UNLESS(derived->IsServerClosed(), ResultInvalidState);
+
+        return Delete(kernel, obj.GetPointerUnsafe(), name);
+    }
+
+    template <typename Derived>
+        requires(std::derived_from<Derived, KAutoObject>)
+    static KScopedAutoObject<Derived> Find(KernelCore& kernel, const char* name) {
+        return Find(kernel, name);
+    }
+
+private:
+    static KScopedAutoObject<KAutoObject> FindImpl(KernelCore& kernel, const char* name);
+
+    void Initialize(KAutoObject* obj, const char* name);
+
+    bool MatchesName(const char* name) const;
+    KAutoObject* GetObject() const {
+        return m_object;
+    }
+
+private:
+    std::array<char, NameLengthMax> m_name{};
+    KAutoObject* m_object{};
+};
+
+class KObjectNameGlobalData {
+public:
+    explicit KObjectNameGlobalData(KernelCore& kernel);
+    ~KObjectNameGlobalData();
+
+    KLightLock& GetObjectListLock() {
+        return m_object_list_lock;
+    }
+
+    KObjectName::List& GetObjectList() {
+        return m_object_list;
+    }
+
+private:
+    KLightLock m_object_list_lock;
+    KObjectName::List m_object_list;
+};
+
+} // namespace Kernel
-- 
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