From 27cd88e4d39489a845483e574f79fd67ef3d4fcd Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@ost.ch>
Date: Tue, 19 Nov 2024 17:30:53 +0100
Subject: runtime: catch pure virtual function calls

---
 arch/x86_64/CMakeLists.txt                          | 1 +
 arch/x86_64/src/exception_handling/pure_virtual.cpp | 6 ++++++
 2 files changed, 7 insertions(+)
 create mode 100644 arch/x86_64/src/exception_handling/pure_virtual.cpp

(limited to 'arch')

diff --git a/arch/x86_64/CMakeLists.txt b/arch/x86_64/CMakeLists.txt
index f868b4e..1444054 100644
--- a/arch/x86_64/CMakeLists.txt
+++ b/arch/x86_64/CMakeLists.txt
@@ -65,6 +65,7 @@ target_sources("_exception" PRIVATE
   "src/exception_handling/assert.cpp"
   "src/exception_handling/abort.cpp"
   "src/exception_handling/panic.cpp"
+  "src/exception_handling/pure_virtual.cpp"
 )
 
 #[============================================================================[
diff --git a/arch/x86_64/src/exception_handling/pure_virtual.cpp b/arch/x86_64/src/exception_handling/pure_virtual.cpp
new file mode 100644
index 0000000..67772f7
--- /dev/null
+++ b/arch/x86_64/src/exception_handling/pure_virtual.cpp
@@ -0,0 +1,6 @@
+#include "arch/exception_handling/panic.hpp"
+
+extern "C" auto __cxa_pure_virtual() -> void
+{
+  teachos::arch::exception_handling::panic("Runtime", "Tried to call a pure virtual function!");
+}
-- 
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