1 files changed, 29 insertions, 0 deletions
diff --git a/cortex-m-rt/examples/override-exception.rs b/cortex-m-rt/examples/override-exception.rs
new file mode 100644
index 0000000..3190b77
--- /dev/null
+++ b/cortex-m-rt/examples/override-exception.rs
@@ -0,0 +1,29 @@
+//! How to override the hard fault exception handler and the default exception handler
+
+#![deny(warnings)]
+#![no_main]
+#![no_std]
+
+extern crate cortex_m;
+extern crate cortex_m_rt as rt;
+extern crate panic_halt;
+
+use cortex_m::asm;
+use rt::{entry, exception, ExceptionFrame};
+
+#[entry]
+fn main() -> ! {
+    loop {}
+}
+
+#[exception]
+unsafe fn DefaultHandler(_irqn: i16) {
+    asm::bkpt();
+}
+
+#[exception]
+unsafe fn HardFault(_ef: &ExceptionFrame) -> ! {
+    asm::bkpt();
+
+    loop {}
+}