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/* -------------------------------------------
Copyright (C) 2024-2025, Amlal El Mahrouss, all rights reserved.
------------------------------------------- */
#ifndef KERNELKIT_TLS_H
#define KERNELKIT_TLS_H
#include <NeKit/Defines.h>
#include <NeKit/ErrorOr.h>
///! @brief Thread Local Storage for neoskrnl.
#define kCookieMag0Idx 0
#define kCookieMag1Idx 1
#define kCookieMag2Idx 2
#define kCookieMag0 'Z'
#define kCookieMag1 'K'
#define kCookieMag2 'A'
#define kTLSCookieLen (3U)
struct THREAD_INFORMATION_BLOCK;
/// @brief Thread Information Block.
/// Located in GS on AMD64, other architectures have their own stuff. (64x0, 32x0, ARM64)
struct PACKED THREAD_INFORMATION_BLOCK final {
Kernel::Char Cookie[kTLSCookieLen]{0}; //! Thread magic number.
Kernel::VoidPtr Record{nullptr}; //! Thread information record.
};
///! @brief Cookie Sanity check.
Kernel::Boolean tls_check_tib(THREAD_INFORMATION_BLOCK* the_tib);
///! @brief new ptr syscall.
template <typename T>
T* tls_new_ptr(void) noexcept;
///! @brief delete ptr syscall.
template <typename T>
Kernel::Boolean tls_delete_ptr(T* ptr) noexcept;
//! @brief Delete process pointer.
//! @param obj The pointer to delete.
template <typename T>
inline Kernel::Bool tls_delete_ptr(Kernel::ErrorOr<T> obj) noexcept;
//! @brief Delete process pointer.
//! @param obj The pointer to delete.
template <typename T>
inline Kernel::Bool tls_delete_ptr(Kernel::ErrorOr<T*> obj) noexcept;
template <typename T, typename... Args>
T* tls_new_class(Args&&... args);
/// @brief TLS install TIB and PIB. (syscall)
EXTERN_C Kernel::Void rt_install_tib(THREAD_INFORMATION_BLOCK* TIB, THREAD_INFORMATION_BLOCK* PIB);
/// @brief TLS check (syscall)
EXTERN_C Kernel::Bool tls_check_syscall_impl(Kernel::VoidPtr TIB) noexcept;
#include <KernelKit/ThreadLocalStorage.inl>
// last rev 7/7/24
#endif /* ifndef KERNELKIT_TLS_H */
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