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