bjoernager/rust
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Implementation of import_name_type

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This commit is contained in:
Daniel Paoliello 2022-07-12 13:52:35 -07:00
parent 42fa8ac723
commit cc49c3e582
31 changed files with 614 additions and 46 deletions
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12
compiler/rustc_codegen_llvm/src/consts.rs
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@ -1,5 +1,5 @@
use crate::base;
use crate::common::CodegenCx;
use crate::common::{self, CodegenCx};
use crate::debuginfo;
use crate::llvm::{self, True};
use crate::llvm_util;
@ -160,7 +160,7 @@ fn check_and_apply_linkage<'ll, 'tcx>(
attrs: &CodegenFnAttrs,
ty: Ty<'tcx>,
sym: &str,
span_def_id: DefId,
def_id: DefId,
) -> &'ll Value {
let llty = cx.layout_of(ty).llvm_type(cx);
if let Some(linkage) = attrs.linkage {
@ -175,7 +175,7 @@ fn check_and_apply_linkage<'ll, 'tcx>(
cx.layout_of(mt.ty).llvm_type(cx)
} else {
cx.sess().span_fatal(
cx.tcx.def_span(span_def_id),
cx.tcx.def_span(def_id),
"must have type `*const T` or `*mut T` due to `#[linkage]` attribute",
)
};
@ -194,7 +194,7 @@ fn check_and_apply_linkage<'ll, 'tcx>(
real_name.push_str(sym);
let g2 = cx.define_global(&real_name, llty).unwrap_or_else(|| {
cx.sess().span_fatal(
cx.tcx.def_span(span_def_id),
cx.tcx.def_span(def_id),
&format!("symbol `{}` is already defined", &sym),
)
});
@ -202,6 +202,10 @@ fn check_and_apply_linkage<'ll, 'tcx>(
llvm::LLVMSetInitializer(g2, g1);
g2
}
} else if cx.tcx.sess.target.arch == "x86" &&
let Some(dllimport) = common::get_dllimport(cx.tcx, def_id, sym)
{
cx.declare_global(&common::i686_decorated_name(&dllimport, common::is_mingw_gnu_toolchain(&cx.tcx.sess.target), true), llty)
} else {
// Generate an external declaration.
// FIXME(nagisa): investigate whether it can be changed into define_global