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/*
* ========================================================
*
* NewOS
* Copyright SoftwareLabs, all rights reserved.
*
* ========================================================
*/
#include <KernelKit/DebugOutput.hpp>
#include <KernelKit/PEF.hpp>
#include <KernelKit/PEFSharedObject.hxx>
#include <KernelKit/ProcessScheduler.hxx>
#include <KernelKit/ThreadLocalStorage.hxx>
#include <NewKit/Defines.hpp>
/* -------------------------------------------
Revision History:
01/02/24: Rework shared library ABI, except a rt_library_init and
rt_library_free (amlel) 15/02/24: Breaking changes, changed the name of the
routines. (amlel)
------------------------------------------- */
using namespace NewOS;
/***********************************************************************************/
/// @file SharedObjectRT.cxx
/// @brief Shared Object runtime.
/***********************************************************************************/
/***********************************************************************************/
/* @brief Library runtime initializer. */
/***********************************************************************************/
EXTERN_C SharedObjectPtr rt_library_init(void)
{
SharedObjectPtr library = tls_new_class<SharedObject>();
if (!library)
{
ProcessScheduler::The().Leak().GetCurrent().Leak().Crash();
return nullptr;
}
library->Mount(tls_new_class<SharedObject::SharedObjectTrait>());
if (!library->Get())
{
ProcessScheduler::The().Leak().GetCurrent().Leak().Crash();
return nullptr;
}
library->Get()->fImageObject =
ProcessScheduler::The().Leak().GetCurrent().Leak().Image;
if (!library->Get()->fImageObject)
{
ProcessScheduler::The().Leak().GetCurrent().Leak().Crash();
return nullptr;
}
library->Get()->fImageEntrypointOffset =
library->Load<VoidPtr>(kPefStart, rt_string_len(kPefStart, 0), kPefCode);
return library;
}
/***********************************************************************************/
/* @brief Ends the library. */
/* @note Please check if the lib got freed! */
/* @param SharedObjectPtr the library to free. */
/***********************************************************************************/
EXTERN_C Void rt_library_free(SharedObjectPtr lib, bool* successful)
{
MUST_PASS(successful);
// sanity check (will also trigger a bug check if this fails)
if (lib == nullptr)
{
*successful = false;
ProcessScheduler::The().Leak().GetCurrent().Leak().Crash();
}
delete lib->Get();
delete lib;
lib = nullptr;
*successful = true;
}
/***********************************************************************************/
/// @brief Unimplemented function (crashes by default)
/// @param
EXTERN_C void __mh_purecall(void)
{
kcout << "newoskrnl: unimplemented symbol!\r";
}
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