Fix __bss_start assertion failure in _bfd_elf_fix_symbol_flags

[deliverable/binutils-gdb.git] / bfd / elf32-sparc.c

diff --git a/bfd/elf32-sparc.c b/bfd/elf32-sparc.c
index 1873b1ae7cc8f9f18079284e0382ee4ed353e8b5..f5c58630686a2a38d0ccb01fe5e5810f98a1d282 100644 (file)
--- a/bfd/elf32-sparc.c
+++ b/bfd/elf32-sparc.c
@@ -157,13 +157,44 @@ elf32_sparc_final_write_processing (bfd *abfd,
     }
 }
 
+/* Used to decide how to sort relocs in an optimal manner for the
+   dynamic linker, before writing them out.  */
+
 static enum elf_reloc_type_class
-elf32_sparc_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
+elf32_sparc_reloc_type_class (const struct bfd_link_info *info,
                              const asection *rel_sec ATTRIBUTE_UNUSED,
                              const Elf_Internal_Rela *rela)
 {
+  bfd *abfd = info->output_bfd;
+  const struct elf_backend_data *bed = get_elf_backend_data (abfd);
+  struct _bfd_sparc_elf_link_hash_table *htab
+    = _bfd_sparc_elf_hash_table (info);
+  BFD_ASSERT (htab != NULL);
+
+  if (htab->elf.dynsym != NULL
+      && htab->elf.dynsym->contents != NULL)
+    {
+      /* Check relocation against STT_GNU_IFUNC symbol if there are
+        dynamic symbols.  */
+      unsigned long r_symndx = htab->r_symndx (rela->r_info);
+      if (r_symndx != STN_UNDEF)
+       {
+         Elf_Internal_Sym sym;
+         if (!bed->s->swap_symbol_in (abfd,
+                                      (htab->elf.dynsym->contents
+                                       + r_symndx * bed->s->sizeof_sym),
+                                      0, &sym))
+           abort ();
+
+         if (ELF_ST_TYPE (sym.st_info) == STT_GNU_IFUNC)
+           return reloc_class_ifunc;
+       }
+    }
+
   switch ((int) ELF32_R_TYPE (rela->r_info))
     {
+    case R_SPARC_IRELATIVE:
+      return reloc_class_ifunc;
     case R_SPARC_RELATIVE:
       return reloc_class_relative;
     case R_SPARC_JMP_SLOT: