Rollup merge of rust-lang#72309 - petrochenkov:linkunspec, r=matthewjasper

Some renaming and minor refactoring for `NativeLibraryKind`

Author: RalfJung

src/librustc_codegen_llvm/attributes.rs

@@ -367,8 +367,8 @@ pub fn provide(providers: &mut Providers<'_>) {
 
 pub fn provide_extern(providers: &mut Providers<'_>) {
     providers.wasm_import_module_map = |tcx, cnum| {
-        // Build up a map from DefId to a `NativeLibrary` structure, where
-        // `NativeLibrary` internally contains information about
+        // Build up a map from DefId to a `NativeLib` structure, where
+        // `NativeLib` internally contains information about
         // `#[link(wasm_import_module = "...")]` for example.
         let native_libs = tcx.native_libraries(cnum);
 

src/librustc_codegen_ssa/back/link.rs

@@ -1,12 +1,13 @@
 use rustc_data_structures::fx::FxHashSet;
 use rustc_fs_util::fix_windows_verbatim_for_gcc;
 use rustc_hir::def_id::CrateNum;
-use rustc_middle::middle::cstore::{EncodedMetadata, LibSource, NativeLibrary, NativeLibraryKind};
+use rustc_middle::middle::cstore::{EncodedMetadata, LibSource, NativeLib};
 use rustc_middle::middle::dependency_format::Linkage;
 use rustc_session::config::{self, CFGuard, CrateType, DebugInfo};
 use rustc_session::config::{OutputFilenames, OutputType, PrintRequest, Sanitizer};
 use rustc_session::output::{check_file_is_writeable, invalid_output_for_target, out_filename};
 use rustc_session::search_paths::PathKind;
+use rustc_session::utils::NativeLibKind;
 /// For all the linkers we support, and information they might
 /// need out of the shared crate context before we get rid of it.
 use rustc_session::{filesearch, Session};
@@ -328,11 +329,12 @@ fn link_rlib<'a, B: ArchiveBuilder<'a>>(
     // metadata of the rlib we're generating somehow.
     for lib in codegen_results.crate_info.used_libraries.iter() {
         match lib.kind {
-            NativeLibraryKind::NativeStatic => {}
-            NativeLibraryKind::NativeStaticNobundle
-            | NativeLibraryKind::NativeFramework
-            | NativeLibraryKind::NativeRawDylib
-            | NativeLibraryKind::NativeUnknown => continue,
+            NativeLibKind::StaticBundle => {}
+            NativeLibKind::StaticNoBundle
+            | NativeLibKind::Dylib
+            | NativeLibKind::Framework
+            | NativeLibKind::RawDylib
+            | NativeLibKind::Unspecified => continue,
         }
         if let Some(name) = lib.name {
             ab.add_native_library(name);
@@ -431,7 +433,7 @@ fn link_staticlib<'a, B: ArchiveBuilder<'a>>(
         // object files come from where and selectively skip them.
         let skip_object_files = native_libs
             .iter()
-            .any(|lib| lib.kind == NativeLibraryKind::NativeStatic && !relevant_lib(sess, lib));
+            .any(|lib| lib.kind == NativeLibKind::StaticBundle && !relevant_lib(sess, lib));
         ab.add_rlib(
             path,
             &name.as_str(),
@@ -908,26 +910,28 @@ enum RlibFlavor {
     StaticlibBase,
 }
 
-fn print_native_static_libs(sess: &Session, all_native_libs: &[NativeLibrary]) {
+fn print_native_static_libs(sess: &Session, all_native_libs: &[NativeLib]) {
     let lib_args: Vec<_> = all_native_libs
         .iter()
         .filter(|l| relevant_lib(sess, l))
         .filter_map(|lib| {
             let name = lib.name?;
             match lib.kind {
-                NativeLibraryKind::NativeStaticNobundle | NativeLibraryKind::NativeUnknown => {
+                NativeLibKind::StaticNoBundle
+                | NativeLibKind::Dylib
+                | NativeLibKind::Unspecified => {
                     if sess.target.target.options.is_like_msvc {
                         Some(format!("{}.lib", name))
                     } else {
                         Some(format!("-l{}", name))
                     }
                 }
-                NativeLibraryKind::NativeFramework => {
+                NativeLibKind::Framework => {
                     // ld-only syntax, since there are no frameworks in MSVC
                     Some(format!("-framework {}", name))
                 }
                 // These are included, no need to print them
-                NativeLibraryKind::NativeStatic | NativeLibraryKind::NativeRawDylib => None,
+                NativeLibKind::StaticBundle | NativeLibKind::RawDylib => None,
             }
         })
         .collect();
@@ -1697,11 +1701,11 @@ fn add_local_native_libraries(
             None => continue,
         };
         match lib.kind {
-            NativeLibraryKind::NativeUnknown => cmd.link_dylib(name),
-            NativeLibraryKind::NativeFramework => cmd.link_framework(name),
-            NativeLibraryKind::NativeStaticNobundle => cmd.link_staticlib(name),
-            NativeLibraryKind::NativeStatic => cmd.link_whole_staticlib(name, &search_path),
-            NativeLibraryKind::NativeRawDylib => {
+            NativeLibKind::Dylib | NativeLibKind::Unspecified => cmd.link_dylib(name),
+            NativeLibKind::Framework => cmd.link_framework(name),
+            NativeLibKind::StaticNoBundle => cmd.link_staticlib(name),
+            NativeLibKind::StaticBundle => cmd.link_whole_staticlib(name, &search_path),
+            NativeLibKind::RawDylib => {
                 // FIXME(#58713): Proper handling for raw dylibs.
                 bug!("raw_dylib feature not yet implemented");
             }
@@ -1891,7 +1895,7 @@ fn add_upstream_rust_crates<'a, B: ArchiveBuilder<'a>>(
         let native_libs = &codegen_results.crate_info.native_libraries[&cnum];
         let skip_native = native_libs
             .iter()
-            .any(|lib| lib.kind == NativeLibraryKind::NativeStatic && !relevant_lib(sess, lib));
+            .any(|lib| lib.kind == NativeLibKind::StaticBundle && !relevant_lib(sess, lib));
 
         if (!are_upstream_rust_objects_already_included(sess)
             || ignored_for_lto(sess, &codegen_results.crate_info, cnum))
@@ -2033,9 +2037,9 @@ fn add_upstream_native_libraries(
                 continue;
             }
             match lib.kind {
-                NativeLibraryKind::NativeUnknown => cmd.link_dylib(name),
-                NativeLibraryKind::NativeFramework => cmd.link_framework(name),
-                NativeLibraryKind::NativeStaticNobundle => {
+                NativeLibKind::Dylib | NativeLibKind::Unspecified => cmd.link_dylib(name),
+                NativeLibKind::Framework => cmd.link_framework(name),
+                NativeLibKind::StaticNoBundle => {
                     // Link "static-nobundle" native libs only if the crate they originate from
                     // is being linked statically to the current crate.  If it's linked dynamically
                     // or is an rlib already included via some other dylib crate, the symbols from
@@ -2047,8 +2051,8 @@ fn add_upstream_native_libraries(
                 // ignore statically included native libraries here as we've
                 // already included them when we included the rust library
                 // previously
-                NativeLibraryKind::NativeStatic => {}
-                NativeLibraryKind::NativeRawDylib => {
+                NativeLibKind::StaticBundle => {}
+                NativeLibKind::RawDylib => {
                     // FIXME(#58713): Proper handling for raw dylibs.
                     bug!("raw_dylib feature not yet implemented");
                 }
@@ -2057,7 +2061,7 @@ fn add_upstream_native_libraries(
     }
 }
 
-fn relevant_lib(sess: &Session, lib: &NativeLibrary) -> bool {
+fn relevant_lib(sess: &Session, lib: &NativeLib) -> bool {
     match lib.cfg {
         Some(ref cfg) => rustc_attr::cfg_matches(cfg, &sess.parse_sess, None),
         None => true,

src/librustc_codegen_ssa/base.rs

@@ -44,6 +44,7 @@ use rustc_middle::ty::query::Providers;
 use rustc_middle::ty::{self, Instance, Ty, TyCtxt};
 use rustc_session::cgu_reuse_tracker::CguReuse;
 use rustc_session::config::{self, EntryFnType};
+use rustc_session::utils::NativeLibKind;
 use rustc_session::Session;
 use rustc_span::Span;
 use rustc_symbol_mangling::test as symbol_names_test;
@@ -895,7 +896,7 @@ pub fn provide_both(providers: &mut Providers<'_>) {
             .native_libraries(krate)
             .iter()
             .filter(|lib| {
-                if lib.kind != cstore::NativeLibraryKind::NativeUnknown {
+                if !matches!(lib.kind, NativeLibKind::Dylib | NativeLibKind::Unspecified) {
                     return false;
                 }
                 let cfg = match lib.cfg {

src/librustc_codegen_ssa/lib.rs

@@ -24,7 +24,7 @@ use rustc_data_structures::sync::Lrc;
 use rustc_hir::def_id::CrateNum;
 use rustc_hir::LangItem;
 use rustc_middle::dep_graph::WorkProduct;
-use rustc_middle::middle::cstore::{CrateSource, LibSource, NativeLibrary};
+use rustc_middle::middle::cstore::{CrateSource, LibSource, NativeLib};
 use rustc_middle::middle::dependency_format::Dependencies;
 use rustc_middle::ty::query::Providers;
 use rustc_session::config::{OutputFilenames, OutputType, RUST_CGU_EXT};
@@ -112,9 +112,9 @@ pub struct CrateInfo {
     pub compiler_builtins: Option<CrateNum>,
     pub profiler_runtime: Option<CrateNum>,
     pub is_no_builtins: FxHashSet<CrateNum>,
-    pub native_libraries: FxHashMap<CrateNum, Lrc<Vec<NativeLibrary>>>,
+    pub native_libraries: FxHashMap<CrateNum, Lrc<Vec<NativeLib>>>,
     pub crate_name: FxHashMap<CrateNum, String>,
-    pub used_libraries: Lrc<Vec<NativeLibrary>>,
+    pub used_libraries: Lrc<Vec<NativeLib>>,
     pub link_args: Lrc<Vec<String>>,
     pub used_crate_source: FxHashMap<CrateNum, Lrc<CrateSource>>,
     pub used_crates_static: Vec<(CrateNum, LibSource)>,

src/librustc_interface/tests.rs

@@ -2,7 +2,6 @@ use crate::interface::parse_cfgspecs;
 
 use rustc_data_structures::fx::FxHashSet;
 use rustc_errors::{emitter::HumanReadableErrorType, registry, ColorConfig};
-use rustc_middle::middle::cstore;
 use rustc_session::config::Strip;
 use rustc_session::config::{build_configuration, build_session_options, to_crate_config};
 use rustc_session::config::{rustc_optgroups, ErrorOutputType, ExternLocation, Options, Passes};
@@ -11,6 +10,7 @@ use rustc_session::config::{Externs, OutputType, OutputTypes, Sanitizer, SymbolM
 use rustc_session::getopts;
 use rustc_session::lint::Level;
 use rustc_session::search_paths::SearchPath;
+use rustc_session::utils::NativeLibKind;
 use rustc_session::{build_session, Session};
 use rustc_span::edition::{Edition, DEFAULT_EDITION};
 use rustc_span::symbol::sym;
@@ -300,30 +300,30 @@ fn test_native_libs_tracking_hash_different_values() {
 
     // Reference
     v1.libs = vec![
-        (String::from("a"), None, Some(cstore::NativeStatic)),
-        (String::from("b"), None, Some(cstore::NativeFramework)),
-        (String::from("c"), None, Some(cstore::NativeUnknown)),
+        (String::from("a"), None, NativeLibKind::StaticBundle),
+        (String::from("b"), None, NativeLibKind::Framework),
+        (String::from("c"), None, NativeLibKind::Unspecified),
     ];
 
     // Change label
     v2.libs = vec![
-        (String::from("a"), None, Some(cstore::NativeStatic)),
-        (String::from("X"), None, Some(cstore::NativeFramework)),
-        (String::from("c"), None, Some(cstore::NativeUnknown)),
+        (String::from("a"), None, NativeLibKind::StaticBundle),
+        (String::from("X"), None, NativeLibKind::Framework),
+        (String::from("c"), None, NativeLibKind::Unspecified),
     ];
 
     // Change kind
     v3.libs = vec![
-        (String::from("a"), None, Some(cstore::NativeStatic)),
-        (String::from("b"), None, Some(cstore::NativeStatic)),
-        (String::from("c"), None, Some(cstore::NativeUnknown)),
+        (String::from("a"), None, NativeLibKind::StaticBundle),
+        (String::from("b"), None, NativeLibKind::StaticBundle),
+        (String::from("c"), None, NativeLibKind::Unspecified),
     ];
 
     // Change new-name
     v4.libs = vec![
-        (String::from("a"), None, Some(cstore::NativeStatic)),
-        (String::from("b"), Some(String::from("X")), Some(cstore::NativeFramework)),
-        (String::from("c"), None, Some(cstore::NativeUnknown)),
+        (String::from("a"), None, NativeLibKind::StaticBundle),
+        (String::from("b"), Some(String::from("X")), NativeLibKind::Framework),
+        (String::from("c"), None, NativeLibKind::Unspecified),
     ];
 
     assert!(v1.dep_tracking_hash() != v2.dep_tracking_hash());
@@ -345,21 +345,21 @@ fn test_native_libs_tracking_hash_different_order() {
 
     // Reference
     v1.libs = vec![
-        (String::from("a"), None, Some(cstore::NativeStatic)),
-        (String::from("b"), None, Some(cstore::NativeFramework)),
-        (String::from("c"), None, Some(cstore::NativeUnknown)),
+        (String::from("a"), None, NativeLibKind::StaticBundle),
+        (String::from("b"), None, NativeLibKind::Framework),
+        (String::from("c"), None, NativeLibKind::Unspecified),
     ];
 
     v2.libs = vec![
-        (String::from("b"), None, Some(cstore::NativeFramework)),
-        (String::from("a"), None, Some(cstore::NativeStatic)),
-        (String::from("c"), None, Some(cstore::NativeUnknown)),
+        (String::from("b"), None, NativeLibKind::Framework),
+        (String::from("a"), None, NativeLibKind::StaticBundle),
+        (String::from("c"), None, NativeLibKind::Unspecified),
     ];
 
     v3.libs = vec![
-        (String::from("c"), None, Some(cstore::NativeUnknown)),
-        (String::from("a"), None, Some(cstore::NativeStatic)),
-        (String::from("b"), None, Some(cstore::NativeFramework)),
+        (String::from("c"), None, NativeLibKind::Unspecified),
+        (String::from("a"), None, NativeLibKind::StaticBundle),
+        (String::from("b"), None, NativeLibKind::Framework),
     ];
 
     assert!(v1.dep_tracking_hash() == v2.dep_tracking_hash());