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/* -------------------------------------------
Copyright ZKA Technologies.
------------------------------------------- */
#ifndef _KERNELKIT_TLS_HPP
#define _KERNELKIT_TLS_HPP
#include <NewKit/Defines.hxx>
//! @brief TLS implementation in C++
#define kCookieMag0 'H'
#define kCookieMag1 'C'
#define kCookieMag2 'R'
#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 f_Cookie[kTLSCookieLen]; // Process cookie.
Kernel::UIntPtr f_Code; // Start address (Instruction Pointer)
Kernel::UIntPtr f_Data; // Allocated Heap for process.
Kernel::UIntPtr f_Stack; // Application Stack pointer.
Kernel::Int32 f_ID; // Thread execution ID.
Kernel::Int64 f_UsedHeapPercent; // used heap in percent.
Kernel::Int64 f_FreeHeapPercent; // heap free in percent.
};
///! @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);
///! @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(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_HPP */
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