[google-main] Add DW_AT_GNU_pubtypes and DW_AT_GNU_pubnames to comdat type units. (issue5553069)

[Sterling Augustine]

commit de9e01e3b50f75bcd47da9d32ab0691c65094df5
Author: Sterling Augustine <saugust...@google.com>
Date:   Thu Jan 19 14:31:14 2012 -0800

    Add DW_AT_GNU_pubtypes and Add DW_AT_GNU_pubnames to comdat type dies.

M       gcc/dwarf2out.c

Tested:
        Via make check-c and make check-c++. No new issues found.

ChangeLog:

2012-01-19   Sterling Augustine  <saugust...@google.com>

        * gcc/dwarf2out.c (break_out_comdat_types): Call add_AT_lineptr with
        DW_AT_GNU_pubnames and DW_AT_GNU_pubtypes.

diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c
index 57f18ad..3e34354 100644
--- a/gcc/dwarf2out.c
+++ b/gcc/dwarf2out.c
@@ -7287,6 +7287,15 @@ break_out_comdat_types (dw_die_ref die)
         type_node->root_die = unit;
         type_node->next = comdat_type_list;
         comdat_type_list = type_node;
+        if (targetm.want_debug_pub_sections)
+        {
+          /* FIXME: Should use add_AT_pubnamesptr.  This works because most
+             targets don't care what the base section is.  */
+          add_AT_lineptr (unit, DW_AT_GNU_pubnames,
+                          debug_pubnames_section_label);
+          add_AT_lineptr (unit, DW_AT_GNU_pubtypes,
+                          debug_pubtypes_section_label);
+        }
 
         /* Generate the type signature.  */
         generate_type_signature (c, type_node);

--
This patch is available for review at http://codereview.appspot.com/5553069