Remove unsupported `am34-*-linux*' target triplet

[deliverable/binutils-gdb.git] / bfd / elfnn-aarch64.c

diff --git a/bfd/elfnn-aarch64.c b/bfd/elfnn-aarch64.c
index 599b5f8516acbd51cc5123af4550f9d689b5d13d..fcce22f768592d45ad57d7459ff9617f74c6ac0b 100644 (file)
--- a/bfd/elfnn-aarch64.c
+++ b/bfd/elfnn-aarch64.c
@@ -2289,6 +2289,9 @@ struct elf_aarch64_link_hash_table
   /* Enable ADRP->ADR rewrite for erratum 843419 workaround.  */
   int fix_erratum_843419_adr;
 
+  /* Don't apply link-time values for dynamic relocations.  */
+  int no_apply_dynamic_relocs;
+
   /* The number of bytes in the initial entry in the PLT.  */
   bfd_size_type plt_header_size;
 
@@ -4334,7 +4337,8 @@ bfd_elfNN_aarch64_set_options (struct bfd *output_bfd,
                               int no_enum_warn,
                               int no_wchar_warn, int pic_veneer,
                               int fix_erratum_835769,
-                              int fix_erratum_843419)
+                              int fix_erratum_843419,
+                              int no_apply_dynamic_relocs)
 {
   struct elf_aarch64_link_hash_table *globals;
 
@@ -4343,6 +4347,7 @@ bfd_elfNN_aarch64_set_options (struct bfd *output_bfd,
   globals->fix_erratum_835769 = fix_erratum_835769;
   globals->fix_erratum_843419 = fix_erratum_843419;
   globals->fix_erratum_843419_adr = TRUE;
+  globals->no_apply_dynamic_relocs = no_apply_dynamic_relocs;
 
   BFD_ASSERT (is_aarch64_elf (output_bfd));
   elf_aarch64_tdata (output_bfd)->no_enum_size_warning = no_enum_warn;
@@ -4890,7 +4895,9 @@ elfNN_aarch64_write_section (bfd *output_bfd  ATTRIBUTE_UNUSED,
   return FALSE;
 }
 
-/* Perform a relocation as part of a final link.  */
+/* Perform a relocation as part of a final link.  The input relocation type
+   should be TLS relaxed.  */
+
 static bfd_reloc_status_type
 elfNN_aarch64_final_link_relocate (reloc_howto_type *howto,
                                   bfd *input_bfd,
@@ -4911,7 +4918,6 @@ elfNN_aarch64_final_link_relocate (reloc_howto_type *howto,
   unsigned int r_type = howto->type;
   bfd_reloc_code_real_type bfd_r_type
     = elfNN_aarch64_bfd_reloc_from_howto (howto);
-  bfd_reloc_code_real_type new_bfd_r_type;
   unsigned long r_symndx;
   bfd_byte *hit_data = contents + rel->r_offset;
   bfd_vma place, off;
@@ -4928,17 +4934,6 @@ elfNN_aarch64_final_link_relocate (reloc_howto_type *howto,
 
   r_symndx = ELFNN_R_SYM (rel->r_info);
 
-  /* It is possible to have linker relaxations on some TLS access
-     models.  Update our information here.  */
-  new_bfd_r_type = aarch64_tls_transition (input_bfd, info, r_type, h, r_symndx);
-  if (new_bfd_r_type != bfd_r_type)
-    {
-      bfd_r_type = new_bfd_r_type;
-      howto = elfNN_aarch64_howto_from_bfd_reloc (bfd_r_type);
-      BFD_ASSERT (howto != NULL);
-      r_type = howto->type;
-    }
-
   place = input_section->output_section->vma
     + input_section->output_offset + rel->r_offset;
 
@@ -5208,6 +5203,7 @@ elfNN_aarch64_final_link_relocate (reloc_howto_type *howto,
                 relocate the text and data segments independently,
                 so the symbol does not matter.  */
              symbol = 0;
+             relocate = globals->no_apply_dynamic_relocs ? FALSE : TRUE;
              outrel.r_info = ELFNN_R_INFO (symbol, AARCH64_R (RELATIVE));
              outrel.r_addend += value;
            }
@@ -7080,6 +7076,22 @@ elfNN_aarch64_check_relocs (bfd *abfd, struct bfd_link_info *info,
 
       if (h != NULL)
        {
+         /* If a relocation refers to _GLOBAL_OFFSET_TABLE_, create the .got.
+            This shows up in particular in an R_AARCH64_PREL64 in large model
+            when calculating the pc-relative address to .got section which is
+            used to initialize the gp register.  */
+         if (h->root.root.string
+             && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
+           {
+             if (htab->root.dynobj == NULL)
+               htab->root.dynobj = abfd;
+
+             if (! aarch64_elf_create_got_section (htab->root.dynobj, info))
+               return FALSE;
+
+             BFD_ASSERT (h == htab->root.hgot);
+           }
+
          /* Create the ifunc sections for static executables.  If we
             never see an indirect function symbol nor we are building
             a static executable, those sections will be empty and
@@ -8233,6 +8245,7 @@ elfNN_aarch64_allocate_ifunc_dynrelocs (struct elf_link_hash_entry *h,
       && h->def_regular)
     return _bfd_elf_allocate_ifunc_dyn_relocs (info, h,
                                               &eh->dyn_relocs,
+                                              NULL,
                                               htab->plt_entry_size,
                                               htab->plt_header_size,
                                               GOT_ENTRY_SIZE);
@@ -9040,7 +9053,8 @@ elfNN_aarch64_finish_dynamic_sections (bfd *output_bfd,
              break;
 
            case DT_JMPREL:
-             dyn.d_un.d_ptr = htab->root.srelplt->output_section->vma;
+             s = htab->root.srelplt;
+             dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
              break;
 
            case DT_PLTRELSZ: