// Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
// Distributed under the Apache Software License, Version 2.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.apache.org/licenses/LICENSE-2.0)
// Official repository: https://github.com/ne-foss-org/neboot

#include <include/cxx-abi.hpp>

/// BUGS: 0

extern "C" __SIZE_TYPE__ nb_put_string(const char* text);
extern "C" void          nb_panic(const char* reason);

extern "C" void __stack_chk_fail() {
  nb_put_string("[stack-canary] Buffer overflow detected, halting...\n");
  nb_panic("stack_canary_fail");
}

void* __dso_handle;

extern "C" __SIZE_TYPE__ nb_put_string(const char* text);
extern "C" void          nb_panic(const char* reason);

atexit_func_entry_t __atexit_funcs[DSO_MAX_OBJECTS];
uarch_t             __atexit_func_count;

extern "C" void __cxa_pure_virtual() {
  nb_put_string("[__cxa_pure_virtual] Placeholder\n");
}

extern "C" int __cxa_atexit(void (*f)(void*), void* arg, void* dso) {
  if (__atexit_func_count >= DSO_MAX_OBJECTS) return -1;

  __atexit_funcs[__atexit_func_count].destructor_func = f;
  __atexit_funcs[__atexit_func_count].obj_ptr         = arg;
  __atexit_funcs[__atexit_func_count].dso_handle      = dso;

  __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)(__atexit_funcs[i].obj_ptr);
      };
    }

    return;
  }

  while (i--) {
    if (__atexit_funcs[i].destructor_func) {
      (*__atexit_funcs[i].destructor_func)(__atexit_funcs[i].obj_ptr);
      __atexit_funcs[i].destructor_func = 0;
    };
  }
}

namespace cxxabiv1 {
extern "C" int __cxa_guard_acquire(__guard* g) {
  (void) g;
  return 0;
}

extern "C" int __cxa_guard_release(__guard* g) {
  *(char*) g = 1;
  return 0;
}

extern "C" void __cxa_guard_abort(__guard* g) {
  (void) g;
}
}  // namespace cxxabiv1