* elf-bfd.h (elf_discarded_section): Define.

	* elflink.h (elf_link_input_bfd): Use it.
	(elf_reloc_symbol_deleted_p): Likewise.

	* elf64-alpha.c (elf64_alpha_relocate_section): Don't warn about
	overflows for pc relative relocs against discarded sections.

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 5bb1798..fe895c4 100644 (file)
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,12 @@
+2001-12-17  Jakub Jelinek  <jakub@redhat.com>
+
+       * elf-bfd.h (elf_discarded_section): Define.
+       * elflink.h (elf_link_input_bfd): Use it.
+       (elf_reloc_symbol_deleted_p): Likewise.
+
+       * elf64-alpha.c (elf64_alpha_relocate_section): Don't warn about
+       overflows for pc relative relocs against discarded sections.
+
 2001-12-17  Thiemo Seufer <seufer@csv.ica.uni-stuttgart.de>
 
        * elf32-mips.c (_bfd_mips_elf_relocate_section): Formatting.

diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h
index 24ebcd9..46978d0 100644 (file)
--- a/bfd/elf-bfd.h
+++ b/bfd/elf-bfd.h
@@ -883,6 +883,12 @@ struct bfd_elf_section_data
 #define elf_group_name(sec)    (elf_section_data(sec)->group_name)
 #define elf_next_in_group(sec) (elf_section_data(sec)->next_in_group)
 
+/* Return true if section has been discarded.  */
+#define elf_discarded_section(sec)                                     \
+  (!bfd_is_abs_section(sec)                                            \
+   && bfd_is_abs_section((sec)->output_section)                                \
+   && elf_section_data (sec)->sec_info_type != ELF_INFO_TYPE_MERGE)
+
 #define get_elf_backend_data(abfd) \
   ((struct elf_backend_data *) (abfd)->xvec->backend_data)
 

diff --git a/bfd/elf64-alpha.c b/bfd/elf64-alpha.c
index 1bfe15d..14c20f3 100644 (file)
--- a/bfd/elf64-alpha.c
+++ b/bfd/elf64-alpha.c
@@ -3628,6 +3628,15 @@ elf64_alpha_relocate_section (output_bfd, info, input_bfd, input_section,
          {
            const char *name;
 
+           /* Don't warn if the overflow is due to pc relative reloc
+              against discarded section.  Section optimization code should
+              handle it.  */
+
+           if (r_symndx < symtab_hdr->sh_info
+               && sec != NULL && howto->pc_relative
+               && elf_discarded_section (sec))
+             break;
+
            if (h != NULL)
              name = h->root.root.root.string;
            else

diff --git a/bfd/elflink.h b/bfd/elflink.h
index 13f10d2..f5eb277 100644 (file)
--- a/bfd/elflink.h
+++ b/bfd/elflink.h
@@ -6551,11 +6551,7 @@ elf_link_input_bfd (finfo, input_bfd)
                         discarded section.  */
                      if ((h->root.type == bfd_link_hash_defined
                           || h->root.type == bfd_link_hash_defweak)
-                         && ! bfd_is_abs_section (h->root.u.def.section)
-                         && bfd_is_abs_section (h->root.u.def.section
-                                                ->output_section)
-                         && (elf_section_data (h->root.u.def.section)
-                             ->sec_info_type != ELF_INFO_TYPE_MERGE))
+                         && elf_discarded_section (h->root.u.def.section))
                        {
 #if BFD_VERSION_DATE < 20031005
                          if ((o->flags & SEC_DEBUGGING) != 0)
@@ -6584,11 +6580,7 @@ elf_link_input_bfd (finfo, input_bfd)
                    {
                      asection *sec = finfo->sections[r_symndx];
 
-                     if (sec != NULL
-                         && ! bfd_is_abs_section (sec)
-                         && bfd_is_abs_section (sec->output_section)
-                         && (elf_section_data (sec)->sec_info_type
-                             != ELF_INFO_TYPE_MERGE))
+                     if (sec != NULL && elf_discarded_section (sec))
                        {
 #if BFD_VERSION_DATE < 20031005
                          if ((o->flags & SEC_DEBUGGING) != 0
@@ -8085,9 +8077,7 @@ elf_reloc_symbol_deleted_p (offset, cookie)
 
          if ((h->root.type == bfd_link_hash_defined
               || h->root.type == bfd_link_hash_defweak)
-             && ! bfd_is_abs_section (h->root.u.def.section)
-             && bfd_is_abs_section (h->root.u.def.section
-                                    ->output_section))
+             && elf_discarded_section (h->root.u.def.section))
            return true;
          else
            return false;
@@ -8103,9 +8093,7 @@ elf_reloc_symbol_deleted_p (offset, cookie)
          if (isym.st_shndx < SHN_LORESERVE || isym.st_shndx > SHN_HIRESERVE)
            {
              isec = section_from_elf_index (rcookie->abfd, isym.st_shndx);
-             if (isec != NULL
-                 && ! bfd_is_abs_section (isec)
-                 && bfd_is_abs_section (isec->output_section))
+             if (isec != NULL && elf_discarded_section (isec))
                return true;
            }
        }