| //@ compile-flags: -C relocation-model=pie -Copt-level=0 |
| //@ only-x86_64-unknown-linux-gnu |
| |
| #![crate_type = "rlib"] |
| |
| // With PIE we know local functions cannot be interpositioned, we can mark them |
| // as dso_local. |
| // CHECK: define dso_local i8 @call_foreign_fn() |
| #[no_mangle] |
| pub fn call_foreign_fn() -> u8 { |
| unsafe { foreign_fn() } |
| } |
| |
| // External functions are still marked as non-dso_local, since we don't know if the symbol |
| // is defined in the binary or in the shared library. |
| // CHECK: declare zeroext i8 @foreign_fn() |
| extern "C" { |
| fn foreign_fn() -> u8; |
| } |
| |
| // CHECK: !{i32 {{[78]}}, !"PIC Level", i32 2} |
| // CHECK: !{i32 7, !"PIE Level", i32 2} |
