Merge pull request #2 from emk/lang_items_link_problems

Add a test to reproduce link errors reported in gz/rust-x86#1

1 files changed, 24 insertions, 0 deletions

diff --git a/tests/no_std_build.rs b/tests/no_std_build.rs
new file mode 100644
index 0000000..8a68214
--- /dev/null
+++ b/tests/no_std_build.rs
@@ -0,0 +1,24 @@
+// Verify that we can be linked against an appliction which only uses
+// libcore, which is common in kernel space.
+
+#![feature(no_std, lang_items)]
+#![no_std]
+
+extern crate x86;
+
+fn main() {
+}
+
+// We want to supply these definitions ourselves, and not have them
+// accidentally pulled in via the x86 crate.
+#[lang = "eh_personality"]
+extern "C" fn eh_personality() {
+}
+
+#[lang = "panic_fmt"]
+extern "C" fn panic_fmt(
+    args: ::core::fmt::Arguments, file: &str, line: usize)
+    -> !
+{
+    loop {}
+}