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Rollup merge of #109677 - dpaoliello:rawdylib, r=michaelwoerister,wesleywiser

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Stabilize raw-dylib, link_ordinal, import_name_type and -Cdlltool

This stabilizes the `raw-dylib` feature (#58713) for all architectures (i.e., `x86` as it is already stable for all other architectures).

Changes:
* Permit the use of the `raw-dylib` link kind for x86, the `link_ordinal` attribute and the `import_name_type` key for the `link` attribute.
* Mark the `raw_dylib` feature as stable.
* Stabilized the `-Zdlltool` argument as `-Cdlltool`.
* Note the path to `dlltool` if invoking it failed (we don't need to do this if `dlltool` returns an error since it prints its path in the error message).
* Adds tests for `-Cdlltool`.
* Adds tests for being unable to find the dlltool executable, and dlltool failing.
* Fixes a bug where we were checking the exit code of dlltool to see if it failed, but dlltool always returns 0 (indicating success), so instead we need to check if anything was written to `stderr`.

NOTE: As previously noted (https://github.com/rust-lang/rust/pull/104218#issuecomment-1315895618) using dlltool within rustc is temporary, but this is not the first time that Rust has added a temporary tool use and argument: https://github.com/rust-lang/rust/pull/104218#issuecomment-1318720482

Big thanks to ``````@tbu-`````` for the first version of this PR (#104218)
This commit is contained in:
Yuki Okushi 2023-05-06 09:09:30 +09:00 • committed by GitHub
commit 923a5a2ca7
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62 changed files with 146 additions and 223 deletions
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9
compiler/rustc_codegen_ssa/src/codegen_attrs.rs
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@ -592,15 +592,6 @@ fn should_inherit_track_caller(tcx: TyCtxt<'_>, def_id: DefId) -> bool {
fn check_link_ordinal(tcx: TyCtxt<'_>, attr: &ast::Attribute) -> Option<u16> {
use rustc_ast::{LitIntType, LitKind, MetaItemLit};
if !tcx.features().raw_dylib && tcx.sess.target.arch == "x86" {
feature_err(
&tcx.sess.parse_sess,
sym::raw_dylib,
attr.span,
"`#[link_ordinal]` is unstable on x86",
)
.emit();
}
let meta_item_list = attr.meta_item_list();
let meta_item_list = meta_item_list.as_deref();
let sole_meta_list = match meta_item_list {