Handout

kernel/compiler/libcxx.cc

@@ -0,0 +1,33 @@
+/*! \file
+ *  \brief C++ runtime support functions
+ */
+
+#include "../debug/assert.h"
+#include "../types.h"
+
+void* operator new([[maybe_unused]] size_t size, void* place) { return place; }
+
+void* operator new(size_t size) {
+	(void)size;
+	assert(!"Memory allocation not supported");
+}
+
+void* operator new[](size_t size) {
+	(void)size;
+	assert(!"Memory allocation not supported");
+}
+
+void operator delete(void* ptr) { (void)ptr; }
+void operator delete(void* ptr, [[maybe_unused]] size_t size) {
+	operator delete(ptr);
+}
+
+void operator delete[](void* ptr) { operator delete(ptr); }
+void operator delete[](void* ptr, size_t size) { operator delete(ptr, size); }
+
+extern "C" [[noreturn]] void __cxa_pure_virtual() {
+	// Pure virtual function was called -- this if obviously not valid,
+	// therefore we wait infinitely.
+	while (true) {
+	}
+}