diff --git a/Xargo.toml b/Xargo.toml
new file mode 100644
index 0000000..bc268c0
--- /dev/null
+++ b/Xargo.toml
@@ -0,0 +1,3 @@
+[dependencies.alloc]
+
+[dependencies.collections]
diff --git a/src/panic.rs b/src/panic.rs
index 27d361d..8ec88a8 100644
--- a/src/panic.rs
+++ b/src/panic.rs
@@ -4,12 +4,13 @@ use interrupt;
 
 #[cfg(not(test))]
 #[lang = "eh_personality"]
-extern "C" fn eh_personality() {}
+pub extern "C" fn eh_personality() {}
 
 #[cfg(not(test))]
 /// Required to handle panics
 #[lang = "panic_fmt"]
-extern "C" fn panic_fmt(fmt: ::core::fmt::Arguments, file: &str, line: u32) -> ! {
+#[no_mangle]
+pub extern "C" fn rust_begin_unwind(fmt: ::core::fmt::Arguments, file: &str, line: u32) -> ! {
     println!("PANIC: {}", fmt);
     println!("FILE: {}", file);
     println!("LINE: {}", line);