2011-05-18 Tristan Gingold <gingold@adacore.com>
authorTristan Gingold <gingold@adacore.com>
Wed, 18 May 2011 08:00:08 +0000 (08:00 +0000)
committerTristan Gingold <gingold@adacore.com>
Wed, 18 May 2011 08:00:08 +0000 (08:00 +0000)
* xcofflink.c (xcoff_link_add_symbols): Handle C_DWARF symbols.
(xcoff_sweep): Always keep dwarf sections.
(xcoff_link_input_bfd): Handle dwarf symbols and sections.

bfd/ChangeLog
bfd/xcofflink.c

index 80c0022..11a1afe 100644 (file)
@@ -1,5 +1,11 @@
 2011-05-18  Tristan Gingold  <gingold@adacore.com>
 
+       * xcofflink.c (xcoff_link_add_symbols): Handle C_DWARF symbols.
+       (xcoff_sweep): Always keep dwarf sections.
+       (xcoff_link_input_bfd): Handle dwarf symbols and sections.
+
+2011-05-18  Tristan Gingold  <gingold@adacore.com>
+
        * libxcoff.h (struct xcoff_dwsect_name): New type.
        (XCOFF_DWSECT_NBR_NAMES): New macro.
        (xcoff_dwsect_names): Declare.
index 47e094e..4308b18 100644 (file)
@@ -1365,11 +1365,12 @@ xcoff_link_add_symbols (bfd *abfd, struct bfd_link_info *info)
             If C_FILE or first time, handle special
 
             Advance esym, sym_hash, csect_hash ptrs.  */
-         if (sym.n_sclass == C_FILE)
+         if (sym.n_sclass == C_FILE || sym.n_sclass == C_DWARF)
            csect = NULL;
          if (csect != NULL)
            *csect_cache = csect;
-         else if (first_csect == NULL || sym.n_sclass == C_FILE)
+         else if (first_csect == NULL
+                   || sym.n_sclass == C_FILE || sym.n_sclass == C_DWARF)
            *csect_cache = coff_section_from_bfd_index (abfd, sym.n_scnum);
          else
            *csect_cache = NULL;
@@ -2073,6 +2074,10 @@ xcoff_link_add_symbols (bfd *abfd, struct bfd_link_info *info)
   /* Make sure that we have seen all the relocs.  */
   for (o = abfd->sections; o != first_csect; o = o->next)
     {
+      /* Debugging sections have no csects.  */
+      if (bfd_get_section_flags (abfd, o) & SEC_DEBUGGING)
+        continue;
+
       /* Reset the section size and the line number count, since the
         data is now attached to the csects.  Don't reset the size of
         the .debug section, since we need to read it below in
@@ -3009,6 +3014,7 @@ xcoff_sweep (struct bfd_link_info *info)
                  || o == xcoff_hash_table (info)->loader_section
                  || o == xcoff_hash_table (info)->linkage_section
                  || o == xcoff_hash_table (info)->descriptor_section
+                  || (bfd_get_section_flags (sub, o) & SEC_DEBUGGING)
                  || strcmp (o->name, ".debug") == 0)
                o->flags |= SEC_MARK;
              else
@@ -4930,21 +4936,25 @@ xcoff_link_input_bfd (struct xcoff_final_link_info *flinfo,
                             this case, but I don't think it's worth it.  */
                          is = flinfo->internal_syms + r_symndx;
 
-                         name = (_bfd_coff_internal_syment_name
-                                 (input_bfd, is, buf));
+                          if (is->n_sclass != C_DWARF)
+                            {
+                              name = (_bfd_coff_internal_syment_name
+                                      (input_bfd, is, buf));
 
-                         if (name == NULL)
-                           return FALSE;
+                              if (name == NULL)
+                                return FALSE;
 
-                         if (! ((*flinfo->info->callbacks->unattached_reloc)
-                                (flinfo->info, name, input_bfd, o,
-                                 irel->r_vaddr)))
-                           return FALSE;
+                              if (!(*flinfo->info->callbacks->unattached_reloc)
+                                  (flinfo->info, name, input_bfd, o,
+                                   irel->r_vaddr))
+                                return FALSE;
+                            }
                        }
                    }
                }
 
-             if (xcoff_need_ldrel_p (flinfo->info, irel, h))
+             if ((o->flags & SEC_DEBUGGING) == 0
+                  && xcoff_need_ldrel_p (flinfo->info, irel, h))
                {
                  asection *sec;