e3f198ec05
On LoongArch targets, `-Cdirect-access-external-data` defaults to `no`. Since copy relocations are not supported, `dso_local` is not emitted under `-Crelocation-model=static`, unlike on other targets.
49 lines
1.5 KiB
Rust
49 lines
1.5 KiB
Rust
//@ ignore-loongarch64 (handles dso_local differently)
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//@ ignore-powerpc64 (handles dso_local differently)
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//@ ignore-apple (handles dso_local differently)
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//@ revisions: DEFAULT PIE DIRECT INDIRECT
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//@ [DEFAULT] compile-flags: -C relocation-model=static
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//@ [PIE] compile-flags: -C relocation-model=pie
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//@ [DIRECT] compile-flags: -C relocation-model=pie -Z direct-access-external-data=yes
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//@ [INDIRECT] compile-flags: -C relocation-model=static -Z direct-access-external-data=no
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#![crate_type = "rlib"]
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#![feature(linkage)]
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unsafe extern "C" {
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// CHECK: @VAR = external
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// DEFAULT-SAME: dso_local
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// PIE-NOT: dso_local
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// DIRECT-SAME: dso_local
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// INDIRECT-NOT: dso_local
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// CHECK-SAME: global i32
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safe static VAR: i32;
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// When "linkage" is used, we generate an indirection global.
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// Check dso_local is still applied to the actual global.
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// CHECK: @EXTERNAL = external
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// DEFAULT-SAME: dso_local
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// PIE-NOT: dso_local
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// DIRECT-SAME: dso_local
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// INDIRECT-NOT: dso_local
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// CHECK-SAME: global i8
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#[linkage = "external"]
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safe static EXTERNAL: *const u32;
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// CHECK: @WEAK = extern_weak
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// DEFAULT-SAME: dso_local
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// PIE-NOT: dso_local
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// DIRECT-SAME: dso_local
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// INDIRECT-NOT: dso_local
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// CHECK-SAME: global i8
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#[linkage = "extern_weak"]
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safe static WEAK: *const u32;
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}
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#[no_mangle]
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pub fn refer() {
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core::hint::black_box(VAR);
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core::hint::black_box(EXTERNAL);
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core::hint::black_box(WEAK);
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}
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