Implement global_asm! using an external assembler

Fixes #1061
2020-07-09 16:55:38 +02:00 · 2020-07-09 16:55:38 +02:00 · 037d411bf4
commit 037d411bf4
parent 1987a3b6c0
5 changed files with 121 additions and 18 deletions
--- a/example/mini_core_hello_world.rs
+++ b/example/mini_core_hello_world.rs
@ -284,6 +284,26 @@ fn main() {

    #[cfg(not(jit))]
    test_tls();
+
+    #[cfg(not(jit))]
+    unsafe {
+        global_asm_test();
+    }
+}
+
+#[cfg(not(jit))]
+extern "C" {
+    fn global_asm_test();
+}
+
+#[cfg(not(jit))]
+global_asm! {
+    "
+    .global global_asm_test
+    global_asm_test:
+    // comment that would normally be removed by LLVM
+    ret
+    "
 }

 #[repr(C)]