30 lines
1.1 KiB
Rust
30 lines
1.1 KiB
Rust
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use rustc::mir::mono::{MonoItem, Linkage as RLinkage, Visibility};
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use crate::prelude::*;
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pub fn get_clif_linkage(mono_item: MonoItem, linkage: RLinkage, visibility: Visibility) -> Linkage {
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match (linkage, visibility) {
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(RLinkage::External, Visibility::Default) => Linkage::Export,
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(RLinkage::Internal, Visibility::Default) => Linkage::Local,
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// FIXME this should get external linkage, but hidden visibility,
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// not internal linkage and default visibility
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(RLinkage::External, Visibility::Hidden) => Linkage::Export,
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_ => panic!("{:?} = {:?} {:?}", mono_item, linkage, visibility),
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}
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}
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pub fn get_static_ref_linkage(tcx: TyCtxt, def_id: DefId) -> Linkage {
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let fn_attrs = tcx.codegen_fn_attrs(def_id);
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if let Some(linkage) = fn_attrs.linkage {
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match linkage {
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RLinkage::External => Linkage::Export,
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RLinkage::Internal => Linkage::Local,
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RLinkage::ExternalWeak | RLinkage::WeakAny => Linkage::Preemptible,
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_ => panic!("{:?}", linkage),
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}
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} else {
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Linkage::Import
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}
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}
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