1 files changed, 77 insertions, 0 deletions
diff --git a/src/neboot-cxx-abi.cc b/src/neboot-cxx-abi.cc
new file mode 100644
index 0000000..88b2a6a
--- /dev/null
+++ b/src/neboot-cxx-abi.cc
@@ -0,0 +1,77 @@
+/* -------------------------------------------
+
+  Copyright (C) 2024, Amlal EL Mahrouss, all rights reserved.
+
+------------------------------------------- */
+
+#include <lib/cxx-abi.hpp>
+
+/// BUGS: 0
+
+extern "C" __SIZE_TYPE__ cb_put_string(const char* text);
+extern "C" void          cb_panic(const char* reason);
+
+extern "C" void __stack_chk_fail() {
+  cb_put_string("[stack-canary] Buffer overflow detected, halting...\n");
+  cb_panic("stack_canary_fail");
+}
+
+void* __dso_handle;
+
+extern "C" __SIZE_TYPE__ cb_put_string(const char* text);
+extern "C" void          cb_panic(const char* reason);
+
+atexit_func_entry_t __atexit_funcs[DSO_MAX_OBJECTS];
+uarch_t             __atexit_func_count;
+
+extern "C" void __cxa_pure_virtual() {
+  cb_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