* incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.

	* incremental.cc (Incremental_inputs::report_input_section): Fix
	comment, indentation.
	(Incremental_inputs::report_comdat_group): New function.
	(Output_section_incremental_inputs::set_final_data_size): Adjust size
	of data for incremental input file entry.
	(Output_section_incremental_inputs::write_info_blocks): Write COMDAT
	group count, COMDAT group signatures.
	(Sized_incr_relobj::do_layout): Record kept COMDAT group info from
	an unchanged input file.
	* incremental.h (Incremental_object_entry::Incremental_object_entry):
	Initialize new data member.
	(Incremental_object_entry::add_comdat_group): New function.
	(Incremental_object_entry::get_comdat_group_count): New function.
	(Incremental_object_entry::get_comdat_signature_key): New function.
	(Incremental_object_entry::groups_): New data member.
	(Incremental_inputs::report_comdat_group): New function.
	(Incremental_input_entry_reader::get_symbol_offset): Adjust size of
	data for incremental input file entry.
	(Incremental_input_entry_reader::get_comdat_group_count): New function.
	(Incremental_input_entry_reader::get_input_section): Adjust size of
	data for incremental input file entry.
	(Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
	(Incremental_input_entry_reader::get_comdat_group_signature): New
	function.
	* object.cc (Sized_relobj::include_section_group): Report kept
	COMDAT groups for incremental links.

1 files changed, 7 insertions, 0 deletions

diff --git a/gold/incremental-dump.cc b/gold/incremental-dump.cc
index a727eb5..fff4637 100644
--- a/gold/incremental-dump.cc
+++ b/gold/incremental-dump.cc
@@ -153,6 +153,8 @@ dump_incremental_inputs(const char* argv0, const char* filename,
 		 input_file.get_first_dyn_reloc());
 	  printf("    Dynamic reloc count: %d\n",
 		 input_file.get_dyn_reloc_count());
+	  printf("    COMDAT group count: %d\n",
+		 input_file.get_comdat_group_count());
 	  break;
 	case INCREMENTAL_INPUT_ARCHIVE:
 	  printf("Archive\n");
@@ -212,6 +214,11 @@ dump_incremental_inputs(const char* argv0, const char* filename,
 		 static_cast<long long>(info.sh_size),
 		 info.name);
 	}
+
+      unsigned int ncomdat = input_file.get_comdat_group_count();
+      for (unsigned int i = 0; i < ncomdat; ++i)
+	printf("    Comdat group: %s\n",
+	       input_file.get_comdat_group_signature(i));
     }
 
   // Get a view of the .symtab section.