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/* SPARC ELF specific backend routines.
Copyright (C) 2005-2016 Free Software Foundation, Inc.
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.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
#include "elf/common.h"
#include "elf/internal.h"
struct _bfd_sparc_elf_section_data
{
struct bfd_elf_section_data elf;
unsigned int do_relax, reloc_count;
};
#define sec_do_relax(sec) \
((struct _bfd_sparc_elf_section_data *) elf_section_data (sec))->do_relax
#define canon_reloc_count(sec) \
((struct _bfd_sparc_elf_section_data *) elf_section_data (sec))->reloc_count
struct _bfd_sparc_elf_app_reg
{
unsigned char bind;
unsigned short shndx;
bfd *abfd;
char *name;
};
/* Sparc ELF linker hash table. */
struct _bfd_sparc_elf_link_hash_table
{
struct elf_link_hash_table elf;
/* Short-cuts to get to dynamic linker sections. */
asection *sdynbss;
asection *srelbss;
union
{
bfd_signed_vma refcount;
bfd_vma offset;
} tls_ldm_got;
/* Small local sym cache. */
struct sym_cache sym_cache;
/* Used by local STT_GNU_IFUNC symbols. */
htab_t loc_hash_table;
void *loc_hash_memory;
/* True if the target system is VxWorks. */
int is_vxworks;
/* The (unloaded but important) .rela.plt.unloaded section, for VxWorks. */
asection *srelplt2;
void (*put_word) (bfd *, bfd_vma, void *);
bfd_vma (*r_info) (Elf_Internal_Rela *, bfd_vma, bfd_vma);
bfd_vma (*r_symndx) (bfd_vma);
int (*build_plt_entry) (bfd *, asection *, bfd_vma, bfd_vma, bfd_vma *);
const char *dynamic_interpreter;
int dynamic_interpreter_size;
unsigned int word_align_power;
unsigned int align_power_max;
unsigned int plt_header_size;
unsigned int plt_entry_size;
int bytes_per_word;
int bytes_per_rela;
int dtpoff_reloc;
int dtpmod_reloc;
int tpoff_reloc;
struct _bfd_sparc_elf_app_reg app_regs [4];
};
/* Get the SPARC ELF linker hash table from a link_info structure. */
#define _bfd_sparc_elf_hash_table(p) \
(elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
== SPARC_ELF_DATA ? ((struct _bfd_sparc_elf_link_hash_table *) ((p)->hash)) : NULL)
extern reloc_howto_type *_bfd_sparc_elf_reloc_type_lookup
(bfd *, bfd_reloc_code_real_type);
extern reloc_howto_type *_bfd_sparc_elf_reloc_name_lookup
(bfd *, const char *);
extern void _bfd_sparc_elf_info_to_howto
(bfd *, arelent *, Elf_Internal_Rela *);
extern reloc_howto_type *_bfd_sparc_elf_info_to_howto_ptr
(unsigned int);
extern bfd_boolean _bfd_sparc_elf_mkobject
(bfd *);
extern struct bfd_link_hash_table *_bfd_sparc_elf_link_hash_table_create
(bfd *);
extern bfd_boolean _bfd_sparc_elf_create_dynamic_sections
(bfd *, struct bfd_link_info *);
extern void _bfd_sparc_elf_copy_indirect_symbol
(struct bfd_link_info *,
struct elf_link_hash_entry *,
struct elf_link_hash_entry *);
extern bfd_boolean _bfd_sparc_elf_check_relocs
(bfd *, struct bfd_link_info *,
asection *, const Elf_Internal_Rela *);
extern asection *_bfd_sparc_elf_gc_mark_hook
(asection *, struct bfd_link_info *,
Elf_Internal_Rela *, struct elf_link_hash_entry *,
Elf_Internal_Sym *);
extern bfd_boolean _bfd_sparc_elf_gc_sweep_hook
(bfd *, struct bfd_link_info *,
asection *, const Elf_Internal_Rela *);
extern bfd_boolean _bfd_sparc_elf_adjust_dynamic_symbol
(struct bfd_link_info *, struct elf_link_hash_entry *);
extern bfd_boolean _bfd_sparc_elf_omit_section_dynsym
(bfd *, struct bfd_link_info *, asection *);
extern bfd_boolean _bfd_sparc_elf_size_dynamic_sections
(bfd *, struct bfd_link_info *);
extern bfd_boolean _bfd_sparc_elf_new_section_hook
(bfd *, asection *);
extern bfd_boolean _bfd_sparc_elf_relax_section
(bfd *, struct bfd_section *, struct bfd_link_info *, bfd_boolean *);
extern bfd_boolean _bfd_sparc_elf_relocate_section
(bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
Elf_Internal_Rela *, Elf_Internal_Sym *, asection **);
extern bfd_boolean _bfd_sparc_elf_finish_dynamic_symbol
(bfd *, struct bfd_link_info *, struct elf_link_hash_entry *,
Elf_Internal_Sym *sym);
extern bfd_boolean _bfd_sparc_elf_finish_dynamic_sections
(bfd *, struct bfd_link_info *);
extern bfd_boolean _bfd_sparc_elf_object_p
(bfd *);
extern bfd_vma _bfd_sparc_elf_plt_sym_val
(bfd_vma, const asection *, const arelent *);
extern bfd_boolean _bfd_sparc_elf_merge_private_bfd_data
(bfd *, bfd *);
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