FIX: KAN-12 (EPM GPF)

ADD: Dylib object instead of DLL objects.
ADD: Introduce CoreGfx instead of GfxMgr.

Signed-off-by: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>

1 files changed, 106 insertions, 0 deletions

diff --git a/dev/Kernel/KernelKit/IPEFDylibObject.h b/dev/Kernel/KernelKit/IPEFDylibObject.h
new file mode 100644
index 00000000..c8a69690
--- /dev/null
+++ b/dev/Kernel/KernelKit/IPEFDylibObject.h
@@ -0,0 +1,106 @@
+/*
+ *      ========================================================
+ *
+ *      Kernel
+ *      Copyright (C) 2024, Theater Quality Corp, all rights reserved., all rights reserved.
+ *
+ *      ========================================================
+ */
+
+#ifndef __KERNELKIT_SHARED_OBJECT_H__
+#define __KERNELKIT_SHARED_OBJECT_H__
+
+#include <KernelKit/PEF.h>
+#include <NewKit/Defines.h>
+#include <KernelKit/PEFCodeMgr.h>
+#include <KernelKit/UserProcessScheduler.h>
+#include <KernelKit/IDylibObject.h>
+
+namespace Kernel
+{
+	/**
+	 * @brief Shared Library class
+	 * Load library from this class
+	 */
+	class IPEFDylibObject final ZKA_DLL_OBJECT
+	{
+	public:
+		explicit IPEFDylibObject() = default;
+		~IPEFDylibObject()		 = default;
+
+	public:
+		ZKA_COPY_DEFAULT(IPEFDylibObject);
+
+	private:
+		DLL_TRAITS* fMounted{nullptr};
+
+	public:
+		DLL_TRAITS** GetAddressOf()
+		{
+			return &fMounted;
+		}
+
+		DLL_TRAITS* Get()
+		{
+			return fMounted;
+		}
+
+	public:
+		void Mount(DLL_TRAITS* to_mount)
+		{
+			if (!to_mount || !to_mount->ImageObject)
+				return;
+
+			fMounted = to_mount;
+
+			if (fLoader && to_mount)
+			{
+				delete fLoader;
+				fLoader = nullptr;
+			}
+
+			if (!fLoader)
+			{
+				fLoader = new PEFLoader(fMounted->ImageObject);
+			}
+		}
+
+		void Unmount()
+		{
+			if (fMounted)
+				fMounted = nullptr;
+		};
+
+		template <typename SymbolType>
+		SymbolType Load(const Char* symbol_name, SizeT len, Int32 kind)
+		{
+			if (symbol_name == nullptr || *symbol_name == 0)
+				return nullptr;
+			if (len > kPathLen || len < 1)
+				return nullptr;
+
+			auto ret =
+				reinterpret_cast<SymbolType>(fLoader->FindSymbol(symbol_name, kind));
+
+			if (!ret)
+			{
+				if (kind == kPefCode)
+					return (VoidPtr)&__zka_pure_call;
+
+				return nullptr;
+			}
+
+			return ret;
+		}
+
+	private:
+		PEFLoader* fLoader{nullptr};
+	};
+
+	typedef IPEFDylibObject* IDylib;
+
+	EXTERN_C IDylib rtl_init_dylib(UserThread& header);
+	EXTERN_C Void rtl_fini_dylib(UserThread& header, IDylib lib, Bool* successful);
+} // namespace Kernel
+
+#endif /* ifndef __KERNELKIT_SHARED_OBJECT_H__ */