no-std example

res/cases/v1/test5.rs

@@ -0,0 +1,26 @@
+#![feature(link_args)]
+#![feature(lang_items)]
+#![feature(start)]
+#![no_std]
+
+#[lang="panic_fmt"]
+extern fn panic_fmt(_: ::core::fmt::Arguments, _: &'static str, _: u32) -> ! {
+}
+
+#[lang = "eh_personality"]
+extern fn eh_personality() {
+}
+
+#[link_args = "-s EXPORTED_FUNCTIONS=['_hello_world']"]
+extern {}
+
+#[no_mangle]
+pub fn hello_world() -> isize {
+    45 + 99
+}
+
+#[start]
+fn main(argc: isize, argv: *const *const u8) -> isize {
+    /* Intentionally left blank */
+    0
+}