* xcofflink.c (xcoff_build_ldsyms): Set XCOFF_DEF_REGULAR for a

	common symbol defined by the linker.  Don't export function code
	even if export_defineds is set.
PR 9856.

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 7f72945..e30101d 100644 (file)
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,18 @@
+Tue Jun 11 15:24:48 1996  Ian Lance Taylor  <ian@cygnus.com>
+
+       * xcofflink.c (xcoff_build_ldsyms): Set XCOFF_DEF_REGULAR for a
+       common symbol defined by the linker.  Don't export function code
+       even if export_defineds is set.
+
+Mon Jun 10 11:57:27 1996  Jeffrey A Law  (law@cygnus.com)
+
+       * coff-h8300.c (howto_table): Add new entries for R_BCC_INV
+       and R_JMP_DEL.
+       (rtype2howto): Handle R_BCC_INV and R_JMP_DEL.
+       (h8300_symbol_address_p): New function.
+       (h8300_reloc16_estimate): Eliminate jumps made unnecessary by
+       relaxing.
+
 Sun Jun  9 16:30:20 1996  Jeffrey A Law  (law@cygnus.com)
 
        * coff-h8300.c (h8300_reloc16_estimate): Fix many minor spacing

diff --git a/bfd/xcofflink.c b/bfd/xcofflink.c
index 4e1bfa7..88a7f34 100644 (file)
--- a/bfd/xcofflink.c
+++ b/bfd/xcofflink.c
@@ -1064,7 +1064,9 @@ _bfd_xcoff_bfd_link_add_symbols (abfd, info)
     case bfd_archive:
       /* We need to look through the archive for stripped dynamic
          objects, because they will not appear in the archive map even
-         though they should, perhaps, be included.  */
+         though they should, perhaps, be included.  Also, if the
+         linker has no map, we just consider each object file in turn,
+         since that apparently is what the AIX native linker does.  */
       {
        bfd *member;
 
@@ -1072,8 +1074,9 @@ _bfd_xcoff_bfd_link_add_symbols (abfd, info)
        while (member != NULL)
          {
            if (bfd_check_format (member, bfd_object)
-               && (member->flags & DYNAMIC) != 0
-               && (member->flags & HAS_SYMS) == 0)
+               && (! bfd_has_map (abfd)
+                   || ((member->flags & DYNAMIC) != 0
+                       && (member->flags & HAS_SYMS) == 0)))
              {
                boolean needed;
 
@@ -1085,6 +1088,9 @@ _bfd_xcoff_bfd_link_add_symbols (abfd, info)
            member = bfd_openr_next_archived_file (abfd, member);
          }
 
+       if (! bfd_has_map (abfd))
+         return true;
+
        /* Now do the usual search.  */
        return (_bfd_generic_link_add_archive_symbols
                (abfd, info, xcoff_link_check_archive_element));
@@ -3356,9 +3362,24 @@ xcoff_build_ldsyms (h, p)
   struct xcoff_loader_info *ldinfo = (struct xcoff_loader_info *) p;
   size_t len;
 
-  /* If all defined symbols should be exported, mark them now.  */
+  /* If this is a final link, and the symbol was defined as a common
+     symbol in a regular object file, and there was no definition in
+     any dynamic object, then the linker will have allocated space for
+     the symbol in a common section but the XCOFF_DEF_REGULAR flag
+     will not have been set.  */
+  if (h->root.type == bfd_link_hash_defined
+      && (h->flags & XCOFF_DEF_REGULAR) == 0
+      && (h->flags & XCOFF_REF_REGULAR) != 0
+      && (h->flags & XCOFF_DEF_DYNAMIC) == 0
+      && (h->root.u.def.section->owner->flags & DYNAMIC) == 0)
+    h->flags |= XCOFF_DEF_REGULAR;
+
+  /* If all defined symbols should be exported, mark them now.  We
+     don't want to export the actual functions, just the function
+     descriptors.  */
   if (ldinfo->export_defineds
-      && (h->flags & XCOFF_DEF_REGULAR) != 0)
+      && (h->flags & XCOFF_DEF_REGULAR) != 0
+      && h->root.root.string[0] != '.')
     h->flags |= XCOFF_EXPORT;
 
   /* We don't want to garbage collect symbols which are not defined in
@@ -6039,8 +6060,7 @@ _bfd_ppc_xcoff_relocate_section (output_bfd, info, input_bfd,
              /* Every symbol in a shared object is defined somewhere.  */
              val = 0;
            }
-         else if (! info->relocateable
-                  && ! info->shared)
+         else if (! info->relocateable)
            {
              if (! ((*info->callbacks->undefined_symbol)
                     (info, h->root.root.string, input_bfd, input_section,