//@ 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}