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Provide default MetadataLoader

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This commit is contained in:
bjorn3 2021-05-29 15:00:18 +02:00
parent 45c9775361
commit f04a2d308e
3 changed files with 9 additions and 10 deletions
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6
compiler/rustc_codegen_cranelift/src/lib.rs
View file

@ -28,7 +28,7 @@ use rustc_codegen_ssa::traits::CodegenBackend;
use rustc_codegen_ssa::CodegenResults;
use rustc_errors::ErrorReported;
use rustc_middle::dep_graph::{WorkProduct, WorkProductId};
use rustc_middle::middle::cstore::{EncodedMetadata, MetadataLoader};
use rustc_middle::middle::cstore::EncodedMetadata;
use rustc_session::config::OutputFilenames;
use rustc_session::Session;
@ -163,10 +163,6 @@ impl CodegenBackend for CraneliftCodegenBackend {
}
}
fn metadata_loader(&self) -> Box<dyn MetadataLoader + Sync> {
Box::new(rustc_codegen_ssa::back::metadata::DefaultMetadataLoader)
}
fn target_features(&self, _sess: &Session) -> Vec<rustc_span::Symbol> {
vec![]
}

4
compiler/rustc_codegen_llvm/src/lib.rs
View file

@ -248,10 +248,6 @@ impl CodegenBackend for LlvmCodegenBackend {
target_features(sess)
}
fn metadata_loader(&self) -> Box<MetadataLoaderDyn> {
Box::new(rustc_codegen_ssa::back::metadata::DefaultMetadataLoader)
}
fn codegen_crate<'tcx>(
&self,
tcx: TyCtxt<'tcx>,

9
compiler/rustc_codegen_ssa/src/traits/backend.rs
View file

@ -63,7 +63,14 @@ pub trait CodegenBackend {
None
}
fn metadata_loader(&self) -> Box<MetadataLoaderDyn>;
/// The metadata loader used to load rlib and dylib metadata.
///
/// Alternative codegen backends may want to use different rlib or dylib formats than the
/// default native static archives and dynamic libraries.
fn metadata_loader(&self) -> Box<MetadataLoaderDyn> {
Box::new(crate::back::metadata::DefaultMetadataLoader)
}
fn provide(&self, _providers: &mut Providers) {}
fn provide_extern(&self, _providers: &mut Providers) {}
fn codegen_crate<'tcx>(