Move windows_subsystem field from CodegenResults to CrateInfo

compiler/rustc_codegen_cranelift/src/driver/aot.rs

@@ -177,21 +177,6 @@ pub(crate) fn run_aot(
     metadata: EncodedMetadata,
     need_metadata_module: bool,
 ) -> Box<(CodegenResults, FxHashMap<WorkProductId, WorkProduct>)> {
-    use rustc_span::symbol::sym;
-
-    let crate_attrs = tcx.hir().attrs(rustc_hir::CRATE_HIR_ID);
-    let subsystem = tcx.sess.first_attr_value_str_by_name(crate_attrs, sym::windows_subsystem);
-    let windows_subsystem = subsystem.map(|subsystem| {
-        if subsystem != sym::windows && subsystem != sym::console {
-            tcx.sess.fatal(&format!(
-                "invalid windows subsystem `{}`, only \
-                                    `windows` and `console` are allowed",
-                subsystem
-            ));
-        }
-        subsystem.to_string()
-    });
-
     let mut work_products = FxHashMap::default();
 
     let cgus = if tcx.sess.opts.output_types.should_codegen() {
@@ -312,7 +297,6 @@ pub(crate) fn run_aot(
             allocator_module,
             metadata_module,
             metadata,
-            windows_subsystem,
             linker_info: LinkerInfo::new(tcx, crate::target_triple(tcx.sess).to_string()),
             crate_info: CrateInfo::new(tcx),
         },

compiler/rustc_codegen_ssa/src/back/link.rs

@@ -1686,7 +1686,7 @@ fn linker_with_args<'a, B: ArchiveBuilder<'a>>(
 
     // OBJECT-FILES-NO, AUDIT-ORDER
     if crate_type == CrateType::Executable && sess.target.is_like_windows {
-        if let Some(ref s) = codegen_results.windows_subsystem {
+        if let Some(ref s) = codegen_results.crate_info.windows_subsystem {
             cmd.subsystem(s);
         }
     }

compiler/rustc_codegen_ssa/src/back/write.rs

@@ -430,17 +430,6 @@ pub fn start_async_codegen<B: ExtraBackendMethods>(
     let crate_attrs = tcx.hir().attrs(rustc_hir::CRATE_HIR_ID);
     let no_builtins = tcx.sess.contains_name(crate_attrs, sym::no_builtins);
     let is_compiler_builtins = tcx.sess.contains_name(crate_attrs, sym::compiler_builtins);
-    let subsystem = tcx.sess.first_attr_value_str_by_name(crate_attrs, sym::windows_subsystem);
-    let windows_subsystem = subsystem.map(|subsystem| {
-        if subsystem != sym::windows && subsystem != sym::console {
-            tcx.sess.fatal(&format!(
-                "invalid windows subsystem `{}`, only \
-                                     `windows` and `console` are allowed",
-                subsystem
-            ));
-        }
-        subsystem.to_string()
-    });
 
     let linker_info = LinkerInfo::new(tcx, target_cpu);
     let crate_info = CrateInfo::new(tcx);
@@ -474,7 +463,6 @@ pub fn start_async_codegen<B: ExtraBackendMethods>(
         backend,
         crate_name,
         metadata,
-        windows_subsystem,
         linker_info,
         crate_info,
 
@@ -1814,7 +1802,6 @@ pub struct OngoingCodegen<B: ExtraBackendMethods> {
     pub backend: B,
     pub crate_name: Symbol,
     pub metadata: EncodedMetadata,
-    pub windows_subsystem: Option<String>,
     pub linker_info: LinkerInfo,
     pub crate_info: CrateInfo,
     pub coordinator_send: Sender<Box<dyn Any + Send>>,
@@ -1859,7 +1846,6 @@ impl<B: ExtraBackendMethods> OngoingCodegen<B> {
             CodegenResults {
                 crate_name: self.crate_name,
                 metadata: self.metadata,
-                windows_subsystem: self.windows_subsystem,
                 linker_info: self.linker_info,
                 crate_info: self.crate_info,
 

compiler/rustc_codegen_ssa/src/base.rs

@@ -30,6 +30,7 @@ use rustc_middle::ty::{self, Instance, Ty, TyCtxt};
 use rustc_session::cgu_reuse_tracker::CguReuse;
 use rustc_session::config::{self, EntryFnType};
 use rustc_session::Session;
+use rustc_span::symbol::sym;
 use rustc_target::abi::{Align, LayoutOf, VariantIdx};
 
 use std::ops::{Deref, DerefMut};
@@ -755,6 +756,19 @@ impl<B: ExtraBackendMethods> Drop for AbortCodegenOnDrop<B> {
 
 impl CrateInfo {
     pub fn new(tcx: TyCtxt<'_>) -> CrateInfo {
+        let crate_attrs = tcx.hir().attrs(rustc_hir::CRATE_HIR_ID);
+        let subsystem = tcx.sess.first_attr_value_str_by_name(crate_attrs, sym::windows_subsystem);
+        let windows_subsystem = subsystem.map(|subsystem| {
+            if subsystem != sym::windows && subsystem != sym::console {
+                tcx.sess.fatal(&format!(
+                    "invalid windows subsystem `{}`, only \
+                                     `windows` and `console` are allowed",
+                    subsystem
+                ));
+            }
+            subsystem.to_string()
+        });
+
         let mut info = CrateInfo {
             panic_runtime: None,
             compiler_builtins: None,
@@ -769,6 +783,7 @@ impl CrateInfo {
             lang_item_to_crate: Default::default(),
             missing_lang_items: Default::default(),
             dependency_formats: tcx.dependency_formats(()),
+            windows_subsystem,
         };
         let lang_items = tcx.lang_items();
 

compiler/rustc_codegen_ssa/src/lib.rs

@@ -141,6 +141,7 @@ pub struct CrateInfo {
     pub lang_item_to_crate: FxHashMap<LangItem, CrateNum>,
     pub missing_lang_items: FxHashMap<CrateNum, Vec<LangItem>>,
     pub dependency_formats: Lrc<Dependencies>,
+    pub windows_subsystem: Option<String>,
 }
 
 #[derive(Encodable, Decodable)]
@@ -150,7 +151,6 @@ pub struct CodegenResults {
     pub allocator_module: Option<CompiledModule>,
     pub metadata_module: Option<CompiledModule>,
     pub metadata: rustc_middle::middle::cstore::EncodedMetadata,
-    pub windows_subsystem: Option<String>,
     pub linker_info: back::linker::LinkerInfo,
     pub crate_info: CrateInfo,
 }