feat: impl export-executable-symbols

2022-07-25 05:20:23 +00:00
parent babff2211e
commit 6674c94d15
7 changed files with 42 additions and 5 deletions
--- a/compiler/rustc_codegen_ssa/src/back/link.rs
+++ b/compiler/rustc_codegen_ssa/src/back/link.rs
@@ -2082,7 +2082,12 @@ fn add_order_independent_options(
        // sections to ensure we have all the data for PGO.
        let keep_metadata =
            crate_type == CrateType::Dylib || sess.opts.cg.profile_generate.enabled();
-        cmd.gc_sections(keep_metadata);
+        if crate_type != CrateType::Executable || !sess.opts.unstable_opts.export_executable_symbols
+        {
+            cmd.gc_sections(keep_metadata);
+        } else {
+            cmd.no_gc_sections();
+        }
    }

    cmd.set_output_kind(link_output_kind, out_filename);