Implement support for `std::terminate` via `::abort`

1 files changed, 17 insertions, 0 deletions

diff --git a/arch/x86_64/src/exception_handling/abort.cpp b/arch/x86_64/src/exception_handling/abort.cpp
new file mode 100644
index 0000000..dc40008
--- /dev/null
+++ b/arch/x86_64/src/exception_handling/abort.cpp
@@ -0,0 +1,17 @@
+#include "arch/exception_handling/panic.hpp"
+
+#include <cstdlib>
+
+namespace teachos::arch::exception_handling
+{
+
+  /**
+   * @brief Override for the newlib abort function.
+   *
+   * newlib defines @p ::abort as a weak symbol, thus allowing implementations to override it by simply providing a
+   * matching implementation. Since the default implemenatation calls a number of functions the kernel does not
+   * currently implement, @p ::abort gets overridden to simply panic.
+   */
+  extern "C" auto abort() -> void { panic("Terminate was called, possibly due to an unhandled exception"); }
+
+}  // namespace teachos::arch::exception_handling
\ No newline at end of file