| //@ ignore-loongarch64 (handles dso_local differently) |
| //@ ignore-powerpc64 (handles dso_local differently) |
| //@ ignore-apple (handles dso_local differently) |
| |
| //@ revisions: DEFAULT PIE DIRECT INDIRECT |
| //@ [DEFAULT] compile-flags: -C relocation-model=static |
| //@ [PIE] compile-flags: -C relocation-model=pie |
| //@ [DIRECT] compile-flags: -C relocation-model=pie -Z direct-access-external-data=yes |
| //@ [INDIRECT] compile-flags: -C relocation-model=static -Z direct-access-external-data=no |
| |
| #![crate_type = "rlib"] |
| #![feature(linkage)] |
| |
| unsafe extern "C" { |
| // CHECK: @VAR = external |
| // DEFAULT-SAME: dso_local |
| // PIE-NOT: dso_local |
| // DIRECT-SAME: dso_local |
| // INDIRECT-NOT: dso_local |
| // CHECK-SAME: global i32 |
| safe static VAR: i32; |
| |
| // When "linkage" is used, we generate an indirection global. |
| // Check dso_local is still applied to the actual global. |
| // CHECK: @EXTERNAL = external |
| // DEFAULT-SAME: dso_local |
| // PIE-NOT: dso_local |
| // DIRECT-SAME: dso_local |
| // INDIRECT-NOT: dso_local |
| // CHECK-SAME: global i8 |
| #[linkage = "external"] |
| safe static EXTERNAL: *const u32; |
| |
| // CHECK: @WEAK = extern_weak |
| // DEFAULT-SAME: dso_local |
| // PIE-NOT: dso_local |
| // DIRECT-SAME: dso_local |
| // INDIRECT-NOT: dso_local |
| // CHECK-SAME: global i8 |
| #[linkage = "extern_weak"] |
| safe static WEAK: *const u32; |
| } |
| |
| #[no_mangle] |
| pub fn refer() { |
| core::hint::black_box(VAR); |
| core::hint::black_box(EXTERNAL); |
| core::hint::black_box(WEAK); |
| } |
