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/* -------------------------------------------
Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
------------------------------------------- */
#include <KernelKit/DebugOutput.h>
#include <KernelKit/KPC.h>
#include <KernelKit/UserProcessScheduler.h>
#include <NeKit/CxxAbi.h>
atexit_func_entry_t __atexit_funcs[kAtExitMacDestructors];
uarch_t __atexit_func_count;
/// @brief dynamic shared object Handle.
Kernel::UIntPtr __dso_handle;
EXTERN_C Kernel::Void __cxa_pure_virtual(void* self) {
(Kernel::Void)(Kernel::kout << "object: "
<< Kernel::number(reinterpret_cast<Kernel::UIntPtr>(self)));
(Kernel::Void)(Kernel::kout << ", has unimplemented virtual functions.\r");
}
EXTERN_C void ___chkstk_ms(PtrDiff frame_size) {
char* sp;
asm volatile("mov %%rsp, %0" : "=r"(sp));
for (PtrDiff offset = kPageSize; offset < frame_size; offset += kPageSize) {
sp[-offset] = 0;
}
}
EXTERN_C int atexit(void (*f)()) {
if (__atexit_func_count >= kAtExitMacDestructors) return 1;
__atexit_funcs[__atexit_func_count].destructor_func = f;
__atexit_func_count++;
return 0;
}
EXTERN_C void __cxa_finalize(void* f) {
uarch_t i = __atexit_func_count;
if (!f) {
while (i--) {
if (__atexit_funcs[i].destructor_func) {
(*__atexit_funcs[i].destructor_func)();
};
}
return;
}
while (i--) {
if (__atexit_funcs[i].destructor_func) {
(*__atexit_funcs[i].destructor_func)();
__atexit_funcs[i].destructor_func = 0;
};
}
}
namespace cxxabiv1 {
EXTERN_C int __cxa_guard_acquire(__guard g) {
if ((*g & 1) || (*g & 2)) return 1;
*g |= 2;
return 0;
}
EXTERN_C void __cxa_guard_release(__guard g) {
*g |= 1;
*g &= 2;
}
EXTERN_C void __cxa_guard_abort(__guard g) {
*g &= ~2;
}
} // namespace cxxabiv1
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