[AArch64] Enable overflow check for R_AARCH64_TLSLE_ADD_TPREL_HI12

[external/binutils.git] / bfd / elfxx-aarch64.c

diff --git a/bfd/elfxx-aarch64.c b/bfd/elfxx-aarch64.c
index b30e730..25a6228 100644 (file)
--- a/bfd/elfxx-aarch64.c
+++ b/bfd/elfxx-aarch64.c
@@ -1,5 +1,5 @@
 /* AArch64-specific support for ELF.
-   Copyright (C) 2009-2014 Free Software Foundation, Inc.
+   Copyright (C) 2009-2015 Free Software Foundation, Inc.
    Contributed by ARM Ltd.
 
    This file is part of BFD, the Binary File Descriptor library.
@@ -450,7 +450,9 @@ _bfd_aarch64_elf_resolve_relocation (bfd_reloc_code_real_type r_type,
       value = (value + addend) & (bfd_vma) 0xffff0000;
       break;
     case BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_HI12:
-      value = (value + addend) & (bfd_vma) 0xfff000;
+      /* Mask off low 12bits, keep all other high bits, so that the later
+        generic code could check whehter there is overflow.  */
+      value = (value + addend) & ~(bfd_vma) 0xfff;
       break;
 
     case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0:
@@ -481,9 +483,10 @@ _bfd_aarch64_elf_add_symbol_hook (bfd *abfd, struct bfd_link_info *info,
                                  asection **secp ATTRIBUTE_UNUSED,
                                  bfd_vma *valp ATTRIBUTE_UNUSED)
 {
-  if ((abfd->flags & DYNAMIC) == 0
-      && (ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC
-         || ELF_ST_BIND (sym->st_info) == STB_GNU_UNIQUE))
+  if ((ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC
+       || ELF_ST_BIND (sym->st_info) == STB_GNU_UNIQUE)
+      && (abfd->flags & DYNAMIC) == 0
+      && bfd_get_flavour (info->output_bfd) == bfd_target_elf_flavour)
     elf_tdata (info->output_bfd)->has_gnu_symbols = TRUE;
 
   return TRUE;