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/*
* ========================================================
*
* 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;
}
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