* elflink.c (bfd_elf_discard_info): Look for next .eh_frame if

	first one is zero size or discarded.
	* elf32-ppc.c (ppc_elf_size_dynamic_sections): Set most of
	glink_eh_frame contents here..
	(ppc_elf_finish_dynamic_sections): ..rather than here.  Just set
	offset to .glink.

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 6271710..a92ebe8 100644 (file)
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,12 @@
+2012-05-22  Alan Modra  <amodra@gmail.com>
+
+       * elflink.c (bfd_elf_discard_info): Look for next .eh_frame if
+       first one is zero size or discarded.
+       * elf32-ppc.c (ppc_elf_size_dynamic_sections): Set most of
+       glink_eh_frame contents here..
+       (ppc_elf_finish_dynamic_sections): ..rather than here.  Just set
+       offset to .glink.
+
 2012-05-22  H.J. Lu  <hongjiu.lu@intel.com>
 
        PR ld/13909

diff --git a/bfd/elf32-ppc.c b/bfd/elf32-ppc.c
index fabd065..9665d39 100644 (file)
--- a/bfd/elf32-ppc.c
+++ b/bfd/elf32-ppc.c
@@ -6393,6 +6393,66 @@ ppc_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
    }
 #undef add_dynamic_entry
 
+  if (htab->glink_eh_frame != NULL
+      && htab->glink_eh_frame->contents != NULL)
+    {
+      unsigned char *p = htab->glink_eh_frame->contents;
+      bfd_vma val;
+
+      memcpy (p, glink_eh_frame_cie, sizeof (glink_eh_frame_cie));
+      /* CIE length (rewrite in case little-endian).  */
+      bfd_put_32 (htab->elf.dynobj, sizeof (glink_eh_frame_cie) - 4, p);
+      p += sizeof (glink_eh_frame_cie);
+      /* FDE length.  */
+      val = htab->glink_eh_frame->size - 4 - sizeof (glink_eh_frame_cie);
+      bfd_put_32 (htab->elf.dynobj, val, p);
+      p += 4;
+      /* CIE pointer.  */
+      val = p - htab->glink_eh_frame->contents;
+      bfd_put_32 (htab->elf.dynobj, val, p);
+      p += 4;
+      /* Offset to .glink.  Set later.  */
+      p += 4;
+      /* .glink size.  */
+      bfd_put_32 (htab->elf.dynobj, htab->glink->size, p);
+      p += 4;
+      /* Augmentation.  */
+      p += 1;
+
+      if (info->shared
+         && htab->elf.dynamic_sections_created)
+       {
+         bfd_vma adv = (htab->glink->size - GLINK_PLTRESOLVE + 8) >> 2;
+         if (adv < 64)
+           *p++ = DW_CFA_advance_loc + adv;
+         else if (adv < 256)
+           {
+             *p++ = DW_CFA_advance_loc1;
+             *p++ = adv;
+           }
+         else if (adv < 65536)
+           {
+             *p++ = DW_CFA_advance_loc2;
+             bfd_put_16 (htab->elf.dynobj, adv, p);
+             p += 2;
+           }
+         else
+           {
+             *p++ = DW_CFA_advance_loc4;
+             bfd_put_32 (htab->elf.dynobj, adv, p);
+             p += 4;
+           }
+         *p++ = DW_CFA_register;
+         *p++ = 65;
+         p++;
+         *p++ = DW_CFA_advance_loc + 4;
+         *p++ = DW_CFA_restore_extended;
+         *p++ = 65;
+       }
+      BFD_ASSERT ((bfd_vma) ((p + 3 - htab->glink_eh_frame->contents) & -4)
+                 == htab->glink_eh_frame->size);
+    }
+
   return TRUE;
 }
 
@@ -9573,17 +9633,10 @@ ppc_elf_finish_dynamic_sections (bfd *output_bfd,
       unsigned char *p = htab->glink_eh_frame->contents;
       bfd_vma val;
 
-      memcpy (p, glink_eh_frame_cie, sizeof (glink_eh_frame_cie));
-      /* CIE length (rewrite in case little-endian).  */
-      bfd_put_32 (htab->elf.dynobj, sizeof (glink_eh_frame_cie) - 4, p);
       p += sizeof (glink_eh_frame_cie);
       /* FDE length.  */
-      val = htab->glink_eh_frame->size - 4 - sizeof (glink_eh_frame_cie);
-      bfd_put_32 (htab->elf.dynobj, val, p);
       p += 4;
       /* CIE pointer.  */
-      val = p - htab->glink_eh_frame->contents;
-      bfd_put_32 (htab->elf.dynobj, val, p);
       p += 4;
       /* Offset to .glink.  */
       val = (htab->glink->output_section->vma
@@ -9592,45 +9645,6 @@ ppc_elf_finish_dynamic_sections (bfd *output_bfd,
              + htab->glink_eh_frame->output_offset);
       val -= p - htab->glink_eh_frame->contents;
       bfd_put_32 (htab->elf.dynobj, val, p);
-      p += 4;
-      /* .glink size.  */
-      bfd_put_32 (htab->elf.dynobj, htab->glink->size, p);
-      p += 4;
-      /* Augmentation.  */
-      p += 1;
-
-      if (info->shared
-         && htab->elf.dynamic_sections_created)
-       {
-         bfd_vma adv = (htab->glink->size - GLINK_PLTRESOLVE + 8) >> 2;
-         if (adv < 64)
-           *p++ = DW_CFA_advance_loc + adv;
-         else if (adv < 256)
-           {
-             *p++ = DW_CFA_advance_loc1;
-             *p++ = adv;
-           }
-         else if (adv < 65536)
-           {
-             *p++ = DW_CFA_advance_loc2;
-             bfd_put_16 (htab->elf.dynobj, adv, p);
-             p += 2;
-           }
-         else
-           {
-             *p++ = DW_CFA_advance_loc4;
-             bfd_put_32 (htab->elf.dynobj, adv, p);
-             p += 4;
-           }
-         *p++ = DW_CFA_register;
-         *p++ = 65;
-         p++;
-         *p++ = DW_CFA_advance_loc + 4;
-         *p++ = DW_CFA_restore_extended;
-         *p++ = 65;
-       }
-      BFD_ASSERT ((bfd_vma) ((p + 3 - htab->glink_eh_frame->contents) & -4)
-                 == htab->glink_eh_frame->size);
 
       if (htab->glink_eh_frame->sec_info_type == SEC_INFO_TYPE_EH_FRAME
          && !_bfd_elf_write_section_eh_frame (output_bfd, info,

diff --git a/bfd/elflink.c b/bfd/elflink.c
index 42f27a0..f18b9df 100644 (file)
--- a/bfd/elflink.c
+++ b/bfd/elflink.c
@@ -12489,10 +12489,10 @@ bfd_elf_discard_info (bfd *output_bfd, struct bfd_link_info *info)
       if (!info->relocatable)
        {
          eh = bfd_get_section_by_name (abfd, ".eh_frame");
-         if (eh != NULL
-             && (eh->size == 0
-                 || bfd_is_abs_section (eh->output_section)))
-           eh = NULL;
+         while (eh != NULL
+                && (eh->size == 0
+                    || bfd_is_abs_section (eh->output_section)))
+           eh = bfd_get_next_section_by_name (eh);
        }
 
       stab = bfd_get_section_by_name (abfd, ".stab");