Don't add DT_NEEDED for unmatched symbol

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

diff --git a/bfd/elf32-arm.c b/bfd/elf32-arm.c
index f350dd910199c64ef9d4dbdb3f5541727e28bb5b..81ebf67a3af03d82e4c34a9ad5112f2dbe55fe55 100644 (file)
--- a/bfd/elf32-arm.c
+++ b/bfd/elf32-arm.c
@@ -1,5 +1,5 @@
 /* 32-bit ELF support for ARM
-   Copyright (C) 1998-2015 Free Software Foundation, Inc.
+   Copyright (C) 1998-2016 Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
 
@@ -3575,6 +3575,9 @@ elf32_arm_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info)
          htab->plt_entry_size
            = 4 * ARRAY_SIZE (elf32_arm_vxworks_exec_plt_entry);
        }
+
+      if (elf_elfheader (dynobj))
+       elf_elfheader (dynobj)->e_ident[EI_CLASS] = ELFCLASS32;
     }
   else
     {
@@ -11740,6 +11743,18 @@ elf32_arm_fix_exidx_coverage (asection **text_section_order,
        /* An error?  */
        continue;
 
+      if (last_unwind_type > 0)
+       {
+         unsigned int first_word = bfd_get_32 (ibfd, contents);
+         /* Add cantunwind if first unwind item does not match section
+            start.  */
+         if (first_word != sec->vma)
+           {
+             insert_cantunwind_after (last_text_sec, last_exidx_sec);
+             last_unwind_type = 0;
+           }
+       }
+
       for (j = 0; j < hdr->sh_size; j += 8)
        {
          unsigned int second_word = bfd_get_32 (ibfd, contents + j + 4);
@@ -13601,6 +13616,8 @@ elf32_arm_check_relocs (bfd *abfd, struct bfd_link_info *info,
                may_need_local_target_p = TRUE;
                break;
              }
+           else goto jump_over;
+             
            /* Fall through.  */
 
          case R_ARM_MOVW_ABS_NC:
@@ -13620,6 +13637,7 @@ elf32_arm_check_relocs (bfd *abfd, struct bfd_link_info *info,
            /* Fall through.  */
          case R_ARM_ABS32:
          case R_ARM_ABS32_NOI:
+       jump_over:
            if (h != NULL && bfd_link_executable (info))
              {
                h->pointer_equality_needed = 1;
@@ -15535,6 +15553,8 @@ elf32_arm_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
       return reloc_class_plt;
     case R_ARM_COPY:
       return reloc_class_copy;
+    case R_ARM_IRELATIVE:
+      return reloc_class_ifunc;
     default:
       return reloc_class_normal;
     }
@@ -17825,16 +17845,6 @@ elf32_arm_get_synthetic_symtab (bfd *abfd,
   return n;
 }
 
-static const struct bfd_elf_special_section
-elf32_arm_special_sections[] =
-{
-/* Catch sections with .text.noread prefix and apply allocate, execute and
-   noread section attributes.  */
-  { STRING_COMMA_LEN (".text.noread"),  -2, SHT_PROGBITS,
-    SHF_ALLOC + SHF_EXECINSTR + SHF_ARM_NOREAD },
-  { NULL,                            0, 0, 0,                  0 }
-};
-
 static bfd_boolean
 elf32_arm_section_flags (flagword *flags, const Elf_Internal_Shdr * hdr)
 {
@@ -17939,8 +17949,6 @@ elf32_arm_count_additional_relocs (asection *sec)
 #define elf_backend_obj_attrs_order            elf32_arm_obj_attrs_order
 #define elf_backend_obj_attrs_handle_unknown   elf32_arm_obj_attrs_handle_unknown
 
-#undef  elf_backend_special_sections
-#define elf_backend_special_sections           elf32_arm_special_sections
 #undef elf_backend_section_flags
 #define elf_backend_section_flags              elf32_arm_section_flags
 #undef elf_backend_lookup_section_flags_hook