ADD: Open version, with important changes kept out.

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

1 files changed, 103 insertions, 0 deletions

diff --git a/dev/Kernel/src/IPEFDylibObject.cc b/dev/Kernel/src/IPEFDylibObject.cc
new file mode 100644
index 00000000..a28f2a94
--- /dev/null
+++ b/dev/Kernel/src/IPEFDylibObject.cc
@@ -0,0 +1,103 @@
+/*
+ * ========================================================
+ *
+ * minoskrnl
+ * Copyright (C) 2024, Amlal EL Mahrouss, all rights reserved., all rights reserved.
+ *
+ *  ========================================================
+ */
+
+#include <KernelKit/DebugOutput.h>
+#include <KernelKit/PEF.h>
+#include <KernelKit/IPEFDylibObject.h>
+#include <KernelKit/UserProcessScheduler.h>
+#include <KernelKit/ThreadLocalStorage.h>
+#include <NewKit/Defines.h>
+
+/* -------------------------------------------
+
+ Revision History:
+
+	 01/02/24: Reworked dll ABI, expect a rtl_init_dylib and
+ rtl_fini_dylib (amlel) 15/02/24: Breaking changes, changed the name of the
+ routines. (amlel)
+
+	07/28/24: Replace rt_library_free with rtl_fini_dylib
+
+	10/8/24: FIX: Fix log comment.
+
+ ------------------------------------------- */
+
+using namespace Kernel;
+
+/***********************************************************************************/
+/// @file IPEFDylibObject.cc
+/// @brief PEF's Dylib runtime.
+/***********************************************************************************/
+
+/***********************************************************************************/
+/** @brief Library initializer. */
+/***********************************************************************************/
+
+EXTERN_C IDylibRef rtl_init_dylib(UserProcess& thread)
+{
+	IDylibRef dll_obj = tls_new_class<IPEFDylibObject>();
+
+	if (!dll_obj)
+	{
+		thread.Crash();
+		return nullptr;
+	}
+
+	dll_obj->Mount(new IPEFDylibObject::DLL_TRAITS());
+
+	if (!dll_obj->Get())
+	{
+		tls_delete_class(dll_obj);
+		thread.Crash();
+
+		return nullptr;
+	}
+
+	dll_obj->Get()->ImageObject =
+		thread.Image.fBlob;
+
+	if (!dll_obj->Get()->ImageObject)
+	{
+		tls_delete_class(dll_obj);
+		thread.Crash();
+
+		return nullptr;
+	}
+
+	dll_obj->Get()->ImageEntrypointOffset =
+		dll_obj->Load<VoidPtr>(kPefStart, rt_string_len(kPefStart, 0), kPefCode);
+
+	return dll_obj;
+}
+
+/***********************************************************************************/
+/** @brief Frees the dll_obj. */
+/** @note Please check if the dll_obj got freed! */
+/** @param dll_obj The dll_obj to free. */
+/** @param successful Reports if successful or not. */
+/***********************************************************************************/
+
+EXTERN_C Void rtl_fini_dylib(UserProcess& thread, IDylibRef dll_obj, Bool* successful)
+{
+	MUST_PASS(successful);
+
+	// sanity check (will also trigger a bug check if this fails)
+	if (dll_obj == nullptr)
+	{
+		*successful = false;
+		thread.Crash();
+	}
+
+	delete dll_obj->Get();
+	delete dll_obj;
+
+	dll_obj = nullptr;
+
+	*successful = true;
+}