Auto merge of #97485 - bjorn3:new_archive_writer, r=wesleywiser

Rewrite LLVM's archive writer in Rust

This allows it to be used by other codegen backends.

Fixes https://github.com/bjorn3/rustc_codegen_cranelift/issues/1155

1 files changed, 14 insertions, 0 deletions

diff --git a/compiler/rustc_codegen_ssa/src/errors.rs b/compiler/rustc_codegen_ssa/src/errors.rs
index ade50af0aee..e3b6fbf1bc7 100644
--- a/compiler/rustc_codegen_ssa/src/errors.rs
+++ b/compiler/rustc_codegen_ssa/src/errors.rs
@@ -534,3 +534,17 @@ pub struct ReadFileError {
 #[derive(Diagnostic)]
 #[diag(codegen_ssa_unsupported_link_self_contained)]
 pub struct UnsupportedLinkSelfContained;
+
+#[derive(Diagnostic)]
+#[diag(codegen_ssa_archive_build_failure)]
+// Public for rustc_codegen_llvm::back::archive
+pub struct ArchiveBuildFailure {
+    pub error: std::io::Error,
+}
+
+#[derive(Diagnostic)]
+#[diag(codegen_ssa_unknown_archive_kind)]
+// Public for rustc_codegen_llvm::back::archive
+pub struct UnknownArchiveKind<'a> {
+    pub kind: &'a str,
+}