1 files changed, 91 insertions, 0 deletions
diff --git a/src/coreboot-cxx-abi.cc b/src/coreboot-cxx-abi.cc
new file mode 100644
index 0000000..a035e78
--- /dev/null
+++ b/src/coreboot-cxx-abi.cc
@@ -0,0 +1,91 @@
+/* -------------------------------------------
+
+    Copyright (C) 2024, Amlal EL Mahrouss, all rights reserved.
+
+------------------------------------------- */
+
+#include <lib/cxx-abi.h>
+
+/// BUGS: 0
+
+extern "C" __SIZE_TYPE__ mp_put_string(const char* text);
+extern "C" void			 mp_panic(const char* reason);
+
+extern "C" void __stack_chk_fail()
+{
+	mp_put_string("[stack-canary] Buffer overflow detected, halting...\n");
+	mp_panic("stack_canary_fail");
+}
+
+void* __dso_handle;
+
+extern "C" __SIZE_TYPE__ mp_put_string(const char* text);
+extern "C" void			 mp_panic(const char* reason);
+
+atexit_func_entry_t __atexit_funcs[DSO_MAX_OBJECTS];
+uarch_t				__atexit_func_count;
+
+extern "C" void __cxa_pure_virtual()
+{
+	mp_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