bjoernager/rust
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Store rlink data in opaque binary format on disk

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This commit is contained in:
Mark Rousskov 2022-02-05 14:42:56 -05:00
parent cb18e83e85
commit a1c261cd09
2 changed files with 8 additions and 9 deletions
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9
compiler/rustc_interface/src/queries.rs
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@ -13,7 +13,6 @@ use rustc_middle::arena::Arena;
use rustc_middle::dep_graph::DepGraph;
use rustc_middle::ty::{GlobalCtxt, TyCtxt};
use rustc_query_impl::Queries as TcxQueries;
use rustc_serialize::json;
use rustc_session::config::{self, OutputFilenames, OutputType};
use rustc_session::{output::find_crate_name, Session};
use rustc_span::symbol::sym;
@ -367,12 +366,10 @@ impl Linker {
}
if sess.opts.debugging_opts.no_link {
// FIXME: use a binary format to encode the `.rlink` file
let rlink_data = json::encode(&codegen_results).map_err(|err| {
sess.fatal(&format!("failed to encode rlink: {}", err));
})?;
let mut encoder = rustc_serialize::opaque::Encoder::new(Vec::new());
rustc_serialize::Encodable::encode(&codegen_results, &mut encoder).unwrap();
let rlink_file = self.prepare_outputs.with_extension(config::RLINK_EXT);
std::fs::write(&rlink_file, rlink_data).map_err(|err| {
std::fs::write(&rlink_file, encoder.into_inner()).map_err(|err| {
sess.fatal(&format!("failed to write file {}: {}", rlink_file.display(), err));
})?;
return Ok(());