Merge GDB 7.5.1

bfd/elf64-ppc.c

 /* PowerPC64-specific support for 64-bit ELF.
    Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
-   2009, 2010, 2011 Free Software Foundation, Inc.
+   2009, 2010, 2011, 2012 Free Software Foundation, Inc.
    Written by Linus Nordberg, Swox AB <info@swox.com>,
    based on elf32-ppc.c by Ian Lance Taylor.
    Largely rewritten by Alan Modra.
 
    This file is part of BFD, the Binary File Descriptor library.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
@@ skipping 34 matching lines @@
   (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
 static bfd_reloc_status_type ppc64_elf_toc_reloc
   (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
 static bfd_reloc_status_type ppc64_elf_toc_ha_reloc
   (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
 static bfd_reloc_status_type ppc64_elf_toc64_reloc
   (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
 static bfd_reloc_status_type ppc64_elf_unhandled_reloc
   (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
 static bfd_vma opd_entry_value
-  (asection *, bfd_vma, asection **, bfd_vma *);
+  (asection *, bfd_vma, asection **, bfd_vma *, bfd_boolean);
 
 #define TARGET_LITTLE_SYM       bfd_elf64_powerpcle_vec
 #define TARGET_LITTLE_NAME      "elf64-powerpcle"
 #define TARGET_BIG_SYM          bfd_elf64_powerpc_vec
 #define TARGET_BIG_NAME         "elf64-powerpc"
 #define ELF_ARCH                bfd_arch_powerpc
 #define ELF_TARGET_ID           PPC64_ELF_DATA
 #define ELF_MACHINE_CODE        EM_PPC64
 #define ELF_MAXPAGESIZE         0x10000
 #define ELF_COMMONPAGESIZE      0x1000
@@ skipping 29 matching lines @@
 #define elf_backend_check_directives          ppc64_elf_process_dot_syms
 #define elf_backend_as_needed_cleanup         ppc64_elf_as_needed_cleanup
 #define elf_backend_archive_symbol_lookup     ppc64_elf_archive_symbol_lookup
 #define elf_backend_check_relocs              ppc64_elf_check_relocs
 #define elf_backend_gc_keep                   ppc64_elf_gc_keep
 #define elf_backend_gc_mark_dynamic_ref       ppc64_elf_gc_mark_dynamic_ref
 #define elf_backend_gc_mark_hook              ppc64_elf_gc_mark_hook
 #define elf_backend_gc_sweep_hook             ppc64_elf_gc_sweep_hook
 #define elf_backend_adjust_dynamic_symbol     ppc64_elf_adjust_dynamic_symbol
 #define elf_backend_hide_symbol               ppc64_elf_hide_symbol
+#define elf_backend_maybe_function_sym        ppc64_elf_maybe_function_sym
 #define elf_backend_always_size_sections      ppc64_elf_func_desc_adjust
 #define elf_backend_size_dynamic_sections     ppc64_elf_size_dynamic_sections
 #define elf_backend_init_index_section        _bfd_elf_init_2_index_sections
 #define elf_backend_action_discarded          ppc64_elf_action_discarded
 #define elf_backend_relocate_section          ppc64_elf_relocate_section
 #define elf_backend_finish_dynamic_symbol     ppc64_elf_finish_dynamic_symbol
 #define elf_backend_reloc_type_class          ppc64_elf_reloc_type_class
 #define elf_backend_finish_dynamic_sections   ppc64_elf_finish_dynamic_sections
 #define elf_backend_link_output_symbol_hook   ppc64_elf_output_symbol_hook
 #define elf_backend_special_sections          ppc64_elf_special_sections
@@ skipping 27 matching lines @@
 #define LD_R2_0R12      0xe84c0000      /* ld    %r2,xxx+8@l(%r12)   */
                                         /* ld    %r11,xxx+16@l(%r12) */
 #define BCTR            0x4e800420      /* bctr                      */
 
 
 #define ADDIS_R12_R12   0x3d8c0000      /* addis %r12,%r12,off@ha  */
 #define ADDI_R12_R12    0x398c0000      /* addi %r12,%r12,off@l  */
 #define ADDIS_R2_R2     0x3c420000      /* addis %r2,%r2,off@ha  */
 #define ADDI_R2_R2      0x38420000      /* addi  %r2,%r2,off@l   */
 
+#define XOR_R11_R11_R11 0x7d6b5a78      /* xor   %r11,%r11,%r11  */
+#define ADD_R12_R12_R11 0x7d8c5a14      /* add   %r12,%r12,%r11  */
+#define ADD_R2_R2_R11   0x7c425a14      /* add   %r2,%r2,%r11    */
+#define CMPLDI_R2_0     0x28220000      /* cmpldi %r2,0          */
+#define BNECTR          0x4ca20420      /* bnectr+               */
+#define BNECTR_P4       0x4ce20420      /* bnectr+               */
+
 #define LD_R11_0R2      0xe9620000      /* ld    %r11,xxx+0(%r2) */
 #define LD_R2_0R2       0xe8420000      /* ld    %r2,xxx+0(%r2)  */
 
 #define LD_R2_40R1      0xe8410028      /* ld    %r2,40(%r1)     */
 
 /* glink call stub instructions.  We enter with the index in R0.  */
 #define GLINK_CALL_STUB_SIZE (16*4)
                                         /* 0:                           */
                                         /*  .quad plt0-1f               */
                                         /* __glink:                     */
@@ skipping 2164 matching lines @@
 
 static bfd_reloc_status_type
 ppc64_elf_branch_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
                         void *data, asection *input_section,
                         bfd *output_bfd, char **error_message)
 {
   if (output_bfd != NULL)
     return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
                                   input_section, output_bfd, error_message);