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/* -------------------------------------------
Copyright Zeta Electronics Corporation
------------------------------------------- */
#ifndef _KERNELKIT_TLS_HPP
#define _KERNELKIT_TLS_HPP
#include <NewKit/Defines.hpp>
//! @brief TLS implementation in C++
#define kCookieMag0 'H'
#define kCookieMag1 'C'
#define kCookieMag2 'R'
#define kTLSCookieLen (3U)
/// @brief Thread Information Block for Local Storage.
/// Located in GS on AMD64, other architectures have their own stuff. (64x0, 32x0, ARM64)
struct PACKED ThreadInformationBlock final
{
Kernel::Char Cookie[kTLSCookieLen]; // Process cookie.
Kernel::UIntPtr StartCode; // Start Address
Kernel::UIntPtr StartData; // Allocation Heap
Kernel::UIntPtr StartStack; // Stack Pointer.
Kernel::Int32 ThreadID; // Thread execution ID.
};
typedef struct ThreadInformationBlock ProcessInformationBlock;
///! @brief Cookie Sanity check.
Kernel::Boolean tls_check_tib(ThreadInformationBlock* Ptr);
///! @brief new ptr syscall.
template <typename T>
T* tls_new_ptr(void);
///! @brief delete ptr syscall.
template <typename T>
Kernel::Boolean tls_delete_ptr(T* ptr);
template <typename T, typename... Args>
T* tls_new_class(Args&&... args);
/// @brief TLS install TIB and PIB. (syscall)
EXTERN_C void rt_install_tib(ThreadInformationBlock* TIB, ThreadInformationBlock* PIB);
/// @brief TLS check (syscall)
EXTERN_C Kernel::Void tls_check_syscall_impl(Kernel::VoidPtr TIB) noexcept;
#include <KernelKit/ThreadLocalStorage.inl>
// last rev 7/7/24
#endif /* ifndef _KERNELKIT_TLS_HPP */
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