Fix compile time warnings about using possibly uninitialised variables in rs6000...

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

diff --git a/bfd/elfxx-aarch64.c b/bfd/elfxx-aarch64.c
index 34bd1a690226690d6ad58668b8c56fb0821daed7..1c5c72a090742825dce36a082e01ca93f473417b 100644 (file)
--- a/bfd/elfxx-aarch64.c
+++ b/bfd/elfxx-aarch64.c
@@ -1,5 +1,5 @@
 /* AArch64-specific support for ELF.
 /* AArch64-specific support for ELF.

-   Copyright (C) 2009-2015 Free Software Foundation, Inc.
+   Copyright (C) 2009-2017 Free Software Foundation, Inc.

    Contributed by ARM Ltd.
 
    This file is part of BFD, the Binary File Descriptor library.
    Contributed by ARM Ltd.
 
    This file is part of BFD, the Binary File Descriptor library.


@@ -265,6 +265,7 @@ _bfd_aarch64_elf_put_addend (bfd *abfd,
 
     case BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14:
     case BFD_RELOC_AARCH64_LD32_GOT_LO12_NC:
 
     case BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14:
     case BFD_RELOC_AARCH64_LD32_GOT_LO12_NC:

+    case BFD_RELOC_AARCH64_LD64_GOTOFF_LO15:

     case BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15:
     case BFD_RELOC_AARCH64_LD64_GOT_LO12_NC:
     case BFD_RELOC_AARCH64_LDST128_LO12:
     case BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15:
     case BFD_RELOC_AARCH64_LD64_GOT_LO12_NC:
     case BFD_RELOC_AARCH64_LDST128_LO12:


@@ -318,7 +319,7 @@ _bfd_aarch64_elf_put_addend (bfd *abfd,
          /* Force use of MOVZ.  */
          contents = reencode_movzn_to_movz (contents);
        }
          /* Force use of MOVZ.  */
          contents = reencode_movzn_to_movz (contents);
        }

-      /* fall through */
+      /* Fall through.  */

 
       /* Group relocations to create a 16, 32, 48 or 64 bit unsigned
          data or abs address inline.  */
 
       /* Group relocations to create a 16, 32, 48 or 64 bit unsigned
          data or abs address inline.  */


@@ -330,6 +331,14 @@ _bfd_aarch64_elf_put_addend (bfd *abfd,
     case BFD_RELOC_AARCH64_MOVW_G2:
     case BFD_RELOC_AARCH64_MOVW_G2_NC:
     case BFD_RELOC_AARCH64_MOVW_G3:
     case BFD_RELOC_AARCH64_MOVW_G2:
     case BFD_RELOC_AARCH64_MOVW_G2_NC:
     case BFD_RELOC_AARCH64_MOVW_G3:

+    case BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC:
+    case BFD_RELOC_AARCH64_MOVW_GOTOFF_G1:
+    case BFD_RELOC_AARCH64_TLSDESC_OFF_G0_NC:
+    case BFD_RELOC_AARCH64_TLSDESC_OFF_G1:
+    case BFD_RELOC_AARCH64_TLSGD_MOVW_G0_NC:
+    case BFD_RELOC_AARCH64_TLSGD_MOVW_G1:
+    case BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC:
+    case BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G1:

     case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G0_NC:
     case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G1_NC:
     case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0_NC:
     case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G0_NC:
     case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G1_NC:
     case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0_NC:


@@ -404,6 +413,7 @@ _bfd_aarch64_elf_resolve_relocation (bfd_reloc_code_real_type r_type,
 
     case BFD_RELOC_AARCH64_16:
     case BFD_RELOC_AARCH64_32:
 
     case BFD_RELOC_AARCH64_16:
     case BFD_RELOC_AARCH64_32:

+    case BFD_RELOC_AARCH64_LD64_GOTOFF_LO15:

     case BFD_RELOC_AARCH64_MOVW_G0:
     case BFD_RELOC_AARCH64_MOVW_G0_NC:
     case BFD_RELOC_AARCH64_MOVW_G0_S:
     case BFD_RELOC_AARCH64_MOVW_G0:
     case BFD_RELOC_AARCH64_MOVW_G0_NC:
     case BFD_RELOC_AARCH64_MOVW_G0_S:


@@ -414,6 +424,12 @@ _bfd_aarch64_elf_resolve_relocation (bfd_reloc_code_real_type r_type,
     case BFD_RELOC_AARCH64_MOVW_G2_NC:
     case BFD_RELOC_AARCH64_MOVW_G2_S:
     case BFD_RELOC_AARCH64_MOVW_G3:
     case BFD_RELOC_AARCH64_MOVW_G2_NC:
     case BFD_RELOC_AARCH64_MOVW_G2_S:
     case BFD_RELOC_AARCH64_MOVW_G3:

+    case BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC:
+    case BFD_RELOC_AARCH64_MOVW_GOTOFF_G1:
+    case BFD_RELOC_AARCH64_TLSDESC_OFF_G0_NC:
+    case BFD_RELOC_AARCH64_TLSDESC_OFF_G1:
+    case BFD_RELOC_AARCH64_TLSGD_MOVW_G0_NC:
+    case BFD_RELOC_AARCH64_TLSGD_MOVW_G1:

     case BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_HI12:
     case BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_LO12:
     case BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_LO12_NC:
     case BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_HI12:
     case BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_LO12:
     case BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_LO12_NC:


@@ -482,6 +498,7 @@ _bfd_aarch64_elf_resolve_relocation (bfd_reloc_code_real_type r_type,
       value = value + addend;
       break;
 
       value = value + addend;
       break;
 

+    case BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G1:

     case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G1:
     case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G1_NC:
       value = (value + addend) & (bfd_vma) 0xffff0000;
     case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G1:
     case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G1_NC:
       value = (value + addend) & (bfd_vma) 0xffff0000;


@@ -492,6 +509,7 @@ _bfd_aarch64_elf_resolve_relocation (bfd_reloc_code_real_type r_type,
       value = (value + addend) & ~(bfd_vma) 0xfff;
       break;
 
       value = (value + addend) & ~(bfd_vma) 0xfff;
       break;
 

+    case BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC:

     case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0:
     case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0_NC:
       value = (value + addend) & (bfd_vma) 0xffff;
     case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0:
     case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0_NC:
       value = (value + addend) & (bfd_vma) 0xffff;


@@ -520,11 +538,10 @@ _bfd_aarch64_elf_add_symbol_hook (bfd *abfd, struct bfd_link_info *info,
                                  asection **secp ATTRIBUTE_UNUSED,
                                  bfd_vma *valp ATTRIBUTE_UNUSED)
 {
                                  asection **secp ATTRIBUTE_UNUSED,
                                  bfd_vma *valp ATTRIBUTE_UNUSED)
 {

-  if ((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

       && (abfd->flags & DYNAMIC) == 0
       && bfd_get_flavour (info->output_bfd) == bfd_target_elf_flavour)
       && (abfd->flags & DYNAMIC) == 0
       && bfd_get_flavour (info->output_bfd) == bfd_target_elf_flavour)

-    elf_tdata (info->output_bfd)->has_gnu_symbols = elf_gnu_symbol_any;
+    elf_tdata (info->output_bfd)->has_gnu_symbols |= elf_gnu_symbol_ifunc;

 
   return TRUE;
 }
 
   return TRUE;
 }