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/* PowerPC64-specific support for 64-bit ELF.
Copyright (C) 2002-2016 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. */
/* Used to pass info between ld and bfd. */
struct ppc64_elf_params
{
/* Linker stub bfd. */
bfd *stub_bfd;
/* Linker call-backs. */
asection * (*add_stub_section) (const char *, asection *);
void (*layout_sections_again) (void);
/* Maximum size of a group of input sections that can be handled by
one stub section. A value of +/-1 indicates the bfd back-end
should use a suitable default size. */
bfd_signed_vma group_size;
/* Whether to use a special call stub for __tls_get_addr. */
int tls_get_addr_opt;
/* Whether to allow multiple toc sections. */
int no_multi_toc;
/* Set if PLT call stubs should load r11. */
int plt_static_chain;
/* Set if PLT call stubs need to be thread safe on power7+. */
int plt_thread_safe;
/* Set if individual PLT call stubs should be aligned. */
int plt_stub_align;
/* Whether to canonicalize .opd so that there are no overlapping
.opd entries. */
int non_overlapping_opd;
/* Whether to emit symbols for stubs. */
int emit_stub_syms;
/* Whether to generate out-of-line register save/restore for gcc -Os code. */
int save_restore_funcs;
/* Set when a potential variable is detected in .toc. */
int object_in_toc;
};
bfd_boolean ppc64_elf_init_stub_bfd
(struct bfd_link_info *, struct ppc64_elf_params *);
bfd_boolean ppc64_elf_edit_opd
(struct bfd_link_info *);
asection *ppc64_elf_tls_setup
(struct bfd_link_info *);
bfd_boolean ppc64_elf_tls_optimize
(struct bfd_link_info *);
bfd_boolean ppc64_elf_edit_toc
(struct bfd_link_info *);
bfd_boolean ppc64_elf_has_small_toc_reloc
(asection *);
bfd_vma ppc64_elf_set_toc
(struct bfd_link_info *, bfd *);
int ppc64_elf_setup_section_lists
(struct bfd_link_info *);
void ppc64_elf_start_multitoc_partition
(struct bfd_link_info *);
bfd_boolean ppc64_elf_next_toc_section
(struct bfd_link_info *, asection *);
bfd_boolean ppc64_elf_layout_multitoc
(struct bfd_link_info *);
void ppc64_elf_finish_multitoc_partition
(struct bfd_link_info *);
bfd_boolean ppc64_elf_check_init_fini
(struct bfd_link_info *);
bfd_boolean ppc64_elf_next_input_section
(struct bfd_link_info *, asection *);
bfd_boolean ppc64_elf_size_stubs
(struct bfd_link_info *);
bfd_boolean ppc64_elf_build_stubs
(struct bfd_link_info *, char **);
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