bjoernager/rust
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Store only a metadata stub into rlibs and dylibs with -Zembed-metadata=no

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This commit is contained in:
Jakub Beránek 2025-03-28 17:58:23 +01:00
parent a5057b786b
commit 4dca28cfa2
5 changed files with 101 additions and 28 deletions
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2
compiler/rustc_codegen_ssa/src/back/link.rs
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@ -294,7 +294,7 @@ fn link_rlib<'a>(
let (metadata, metadata_position) = create_wrapper_file(
sess,
".rmeta".to_string(),
codegen_results.metadata.raw_data(),
codegen_results.metadata.stub_or_full(),
);
let metadata = emit_wrapper_file(sess, &metadata, tmpdir, METADATA_FILENAME);
match metadata_position {

4
compiler/rustc_codegen_ssa/src/back/metadata.rs
View file

@ -540,8 +540,8 @@ pub fn create_compressed_metadata_file(
symbol_name: &str,
) -> Vec<u8> {
let mut packed_metadata = rustc_metadata::METADATA_HEADER.to_vec();
packed_metadata.write_all(&(metadata.raw_data().len() as u64).to_le_bytes()).unwrap();
packed_metadata.extend(metadata.raw_data());
packed_metadata.write_all(&(metadata.stub_or_full().len() as u64).to_le_bytes()).unwrap();
packed_metadata.extend(metadata.stub_or_full());
let Some(mut file) = create_object_file(sess) else {
if sess.target.is_like_wasm {