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/* ELF executable support for BFD. |
/* ELF executable support for BFD. |
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Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002 |
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Free Software Foundation, Inc. |
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This file is part of BFD, the Binary File Descriptor library. |
Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, |
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2002, 2003, 2004, 2005 Free Software Foundation, Inc. |
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This program is free software; you can redistribute it and/or modify |
This file is part of BFD, the Binary File Descriptor library. |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
This program is free software; you can redistribute it and/or modify |
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(at your option) any later version. |
it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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This program is distributed in the hope that it will be useful, |
(at your option) any later version. |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
This program is distributed in the hope that it will be useful, |
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GNU General Public License for more details. |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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You should have received a copy of the GNU General Public License |
GNU General Public License for more details. |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
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/* SECTION |
/* SECTION |
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#include "elf-bfd.h" |
#include "elf-bfd.h" |
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#include "libiberty.h" |
#include "libiberty.h" |
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static INLINE struct elf_segment_map *make_mapping |
static int elf_sort_sections (const void *, const void *); |
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PARAMS ((bfd *, asection **, unsigned int, unsigned int, boolean)); |
static bfd_boolean assign_file_positions_except_relocs (bfd *, struct bfd_link_info *); |
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static boolean map_sections_to_segments PARAMS ((bfd *)); |
static bfd_boolean prep_headers (bfd *); |
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static int elf_sort_sections PARAMS ((const PTR, const PTR)); |
static bfd_boolean swap_out_syms (bfd *, struct bfd_strtab_hash **, int) ; |
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static boolean assign_file_positions_for_segments PARAMS ((bfd *)); |
static bfd_boolean elfcore_read_notes (bfd *, file_ptr, bfd_size_type) ; |
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static boolean assign_file_positions_except_relocs PARAMS ((bfd *)); |
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static boolean prep_headers PARAMS ((bfd *)); |
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static boolean swap_out_syms PARAMS ((bfd *, struct bfd_strtab_hash **, int)); |
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static boolean copy_private_bfd_data PARAMS ((bfd *, bfd *)); |
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static char *elf_read PARAMS ((bfd *, file_ptr, bfd_size_type)); |
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static const char *group_signature PARAMS ((bfd *, Elf_Internal_Shdr *)); |
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static boolean setup_group PARAMS ((bfd *, Elf_Internal_Shdr *, asection *)); |
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static void merge_sections_remove_hook PARAMS ((bfd *, asection *)); |
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static void elf_fake_sections PARAMS ((bfd *, asection *, PTR)); |
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static boolean assign_section_numbers PARAMS ((bfd *)); |
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static INLINE int sym_is_global PARAMS ((bfd *, asymbol *)); |
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static boolean elf_map_symbols PARAMS ((bfd *)); |
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static bfd_size_type get_program_header_size PARAMS ((bfd *)); |
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static boolean elfcore_read_notes PARAMS ((bfd *, file_ptr, bfd_size_type)); |
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static boolean elf_find_function PARAMS ((bfd *, asection *, asymbol **, |
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bfd_vma, const char **, |
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const char **)); |
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static int elfcore_make_pid PARAMS ((bfd *)); |
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static boolean elfcore_maybe_make_sect PARAMS ((bfd *, char *, asection *)); |
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static boolean elfcore_make_note_pseudosection PARAMS ((bfd *, char *, |
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Elf_Internal_Note *)); |
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static boolean elfcore_grok_prfpreg PARAMS ((bfd *, Elf_Internal_Note *)); |
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static boolean elfcore_grok_prxfpreg PARAMS ((bfd *, Elf_Internal_Note *)); |
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static boolean elfcore_grok_note PARAMS ((bfd *, Elf_Internal_Note *)); |
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static boolean elfcore_netbsd_get_lwpid PARAMS ((Elf_Internal_Note *, int *)); |
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static boolean elfcore_grok_netbsd_procinfo PARAMS ((bfd *, |
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Elf_Internal_Note *)); |
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static boolean elfcore_grok_netbsd_note PARAMS ((bfd *, Elf_Internal_Note *)); |
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/* Swap version information in and out. The version information is |
/* Swap version information in and out. The version information is |
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currently size independent. If that ever changes, this code will |
currently size independent. If that ever changes, this code will |
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/* Swap in a Verdef structure. */ |
/* Swap in a Verdef structure. */ |
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void |
void |
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_bfd_elf_swap_verdef_in (abfd, src, dst) |
_bfd_elf_swap_verdef_in (bfd *abfd, |
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bfd *abfd; |
const Elf_External_Verdef *src, |
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const Elf_External_Verdef *src; |
Elf_Internal_Verdef *dst) |
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Elf_Internal_Verdef *dst; |
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{ |
{ |
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dst->vd_version = H_GET_16 (abfd, src->vd_version); |
dst->vd_version = H_GET_16 (abfd, src->vd_version); |
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dst->vd_flags = H_GET_16 (abfd, src->vd_flags); |
dst->vd_flags = H_GET_16 (abfd, src->vd_flags); |
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/* Swap out a Verdef structure. */ |
/* Swap out a Verdef structure. */ |
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void |
void |
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_bfd_elf_swap_verdef_out (abfd, src, dst) |
_bfd_elf_swap_verdef_out (bfd *abfd, |
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bfd *abfd; |
const Elf_Internal_Verdef *src, |
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const Elf_Internal_Verdef *src; |
Elf_External_Verdef *dst) |
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Elf_External_Verdef *dst; |
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{ |
{ |
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H_PUT_16 (abfd, src->vd_version, dst->vd_version); |
H_PUT_16 (abfd, src->vd_version, dst->vd_version); |
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H_PUT_16 (abfd, src->vd_flags, dst->vd_flags); |
H_PUT_16 (abfd, src->vd_flags, dst->vd_flags); |
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/* Swap in a Verdaux structure. */ |
/* Swap in a Verdaux structure. */ |
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void |
void |
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_bfd_elf_swap_verdaux_in (abfd, src, dst) |
_bfd_elf_swap_verdaux_in (bfd *abfd, |
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bfd *abfd; |
const Elf_External_Verdaux *src, |
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const Elf_External_Verdaux *src; |
Elf_Internal_Verdaux *dst) |
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Elf_Internal_Verdaux *dst; |
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{ |
{ |
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dst->vda_name = H_GET_32 (abfd, src->vda_name); |
dst->vda_name = H_GET_32 (abfd, src->vda_name); |
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dst->vda_next = H_GET_32 (abfd, src->vda_next); |
dst->vda_next = H_GET_32 (abfd, src->vda_next); |
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/* Swap out a Verdaux structure. */ |
/* Swap out a Verdaux structure. */ |
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void |
void |
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_bfd_elf_swap_verdaux_out (abfd, src, dst) |
_bfd_elf_swap_verdaux_out (bfd *abfd, |
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bfd *abfd; |
const Elf_Internal_Verdaux *src, |
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const Elf_Internal_Verdaux *src; |
Elf_External_Verdaux *dst) |
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Elf_External_Verdaux *dst; |
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{ |
{ |
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H_PUT_32 (abfd, src->vda_name, dst->vda_name); |
H_PUT_32 (abfd, src->vda_name, dst->vda_name); |
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H_PUT_32 (abfd, src->vda_next, dst->vda_next); |
H_PUT_32 (abfd, src->vda_next, dst->vda_next); |
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/* Swap in a Verneed structure. */ |
/* Swap in a Verneed structure. */ |
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void |
void |
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_bfd_elf_swap_verneed_in (abfd, src, dst) |
_bfd_elf_swap_verneed_in (bfd *abfd, |
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bfd *abfd; |
const Elf_External_Verneed *src, |
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const Elf_External_Verneed *src; |
Elf_Internal_Verneed *dst) |
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Elf_Internal_Verneed *dst; |
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{ |
{ |
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dst->vn_version = H_GET_16 (abfd, src->vn_version); |
dst->vn_version = H_GET_16 (abfd, src->vn_version); |
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dst->vn_cnt = H_GET_16 (abfd, src->vn_cnt); |
dst->vn_cnt = H_GET_16 (abfd, src->vn_cnt); |
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/* Swap out a Verneed structure. */ |
/* Swap out a Verneed structure. */ |
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void |
void |
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_bfd_elf_swap_verneed_out (abfd, src, dst) |
_bfd_elf_swap_verneed_out (bfd *abfd, |
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bfd *abfd; |
const Elf_Internal_Verneed *src, |
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const Elf_Internal_Verneed *src; |
Elf_External_Verneed *dst) |
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Elf_External_Verneed *dst; |
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{ |
{ |
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H_PUT_16 (abfd, src->vn_version, dst->vn_version); |
H_PUT_16 (abfd, src->vn_version, dst->vn_version); |
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H_PUT_16 (abfd, src->vn_cnt, dst->vn_cnt); |
H_PUT_16 (abfd, src->vn_cnt, dst->vn_cnt); |
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/* Swap in a Vernaux structure. */ |
/* Swap in a Vernaux structure. */ |
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void |
void |
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_bfd_elf_swap_vernaux_in (abfd, src, dst) |
_bfd_elf_swap_vernaux_in (bfd *abfd, |
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bfd *abfd; |
const Elf_External_Vernaux *src, |
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const Elf_External_Vernaux *src; |
Elf_Internal_Vernaux *dst) |
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Elf_Internal_Vernaux *dst; |
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{ |
{ |
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dst->vna_hash = H_GET_32 (abfd, src->vna_hash); |
dst->vna_hash = H_GET_32 (abfd, src->vna_hash); |
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dst->vna_flags = H_GET_16 (abfd, src->vna_flags); |
dst->vna_flags = H_GET_16 (abfd, src->vna_flags); |
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/* Swap out a Vernaux structure. */ |
/* Swap out a Vernaux structure. */ |
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void |
void |
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_bfd_elf_swap_vernaux_out (abfd, src, dst) |
_bfd_elf_swap_vernaux_out (bfd *abfd, |
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bfd *abfd; |
const Elf_Internal_Vernaux *src, |
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const Elf_Internal_Vernaux *src; |
Elf_External_Vernaux *dst) |
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Elf_External_Vernaux *dst; |
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{ |
{ |
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H_PUT_32 (abfd, src->vna_hash, dst->vna_hash); |
H_PUT_32 (abfd, src->vna_hash, dst->vna_hash); |
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H_PUT_16 (abfd, src->vna_flags, dst->vna_flags); |
H_PUT_16 (abfd, src->vna_flags, dst->vna_flags); |
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/* Swap in a Versym structure. */ |
/* Swap in a Versym structure. */ |
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void |
void |
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_bfd_elf_swap_versym_in (abfd, src, dst) |
_bfd_elf_swap_versym_in (bfd *abfd, |
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bfd *abfd; |
const Elf_External_Versym *src, |
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const Elf_External_Versym *src; |
Elf_Internal_Versym *dst) |
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Elf_Internal_Versym *dst; |
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{ |
{ |
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dst->vs_vers = H_GET_16 (abfd, src->vs_vers); |
dst->vs_vers = H_GET_16 (abfd, src->vs_vers); |
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} |
} |
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/* Swap out a Versym structure. */ |
/* Swap out a Versym structure. */ |
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void |
void |
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_bfd_elf_swap_versym_out (abfd, src, dst) |
_bfd_elf_swap_versym_out (bfd *abfd, |
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bfd *abfd; |
const Elf_Internal_Versym *src, |
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const Elf_Internal_Versym *src; |
Elf_External_Versym *dst) |
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Elf_External_Versym *dst; |
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{ |
{ |
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H_PUT_16 (abfd, src->vs_vers, dst->vs_vers); |
H_PUT_16 (abfd, src->vs_vers, dst->vs_vers); |
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} |
} |
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cause invalid hash tables to be generated. */ |
cause invalid hash tables to be generated. */ |
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unsigned long |
unsigned long |
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bfd_elf_hash (namearg) |
bfd_elf_hash (const char *namearg) |
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const char *namearg; |
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{ |
{ |
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const unsigned char *name = (const unsigned char *) namearg; |
const unsigned char *name = (const unsigned char *) namearg; |
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unsigned long h = 0; |
unsigned long h = 0; |
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h ^= g; |
h ^= g; |
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} |
} |
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} |
} |
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return h; |
return h & 0xffffffff; |
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} |
} |
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/* Read a specified number of bytes at a specified offset in an ELF |
/* Read a specified number of bytes at a specified offset in an ELF |
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file, into a newly allocated buffer, and return a pointer to the |
file, into a newly allocated buffer, and return a pointer to the |
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buffer. */ |
buffer. */ |
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static char * |
static bfd_byte * |
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elf_read (abfd, offset, size) |
elf_read (bfd *abfd, file_ptr offset, bfd_size_type size) |
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bfd *abfd; |
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file_ptr offset; |
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bfd_size_type size; |
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{ |
{ |
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char *buf; |
bfd_byte *buf; |
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if ((buf = bfd_alloc (abfd, size)) == NULL) |
if ((buf = bfd_alloc (abfd, size)) == NULL) |
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return NULL; |
return NULL; |
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if (bfd_seek (abfd, offset, SEEK_SET) != 0) |
if (bfd_seek (abfd, offset, SEEK_SET) != 0) |
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return NULL; |
return NULL; |
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if (bfd_bread ((PTR) buf, size, abfd) != size) |
if (bfd_bread (buf, size, abfd) != size) |
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{ |
{ |
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if (bfd_get_error () != bfd_error_system_call) |
if (bfd_get_error () != bfd_error_system_call) |
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bfd_set_error (bfd_error_file_truncated); |
bfd_set_error (bfd_error_file_truncated); |
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return buf; |
return buf; |
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} |
} |
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boolean |
bfd_boolean |
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bfd_elf_mkobject (abfd) |
bfd_elf_mkobject (bfd *abfd) |
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bfd *abfd; |
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{ |
{ |
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/* This just does initialization. */ |
/* This just does initialization. */ |
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/* coff_mkobject zalloc's space for tdata.coff_obj_data ... */ |
/* coff_mkobject zalloc's space for tdata.coff_obj_data ... */ |
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bfd_size_type amt = sizeof (struct elf_obj_tdata); |
elf_tdata (abfd) = bfd_zalloc (abfd, sizeof (struct elf_obj_tdata)); |
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elf_tdata (abfd) = (struct elf_obj_tdata *) bfd_zalloc (abfd, amt); |
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if (elf_tdata (abfd) == 0) |
if (elf_tdata (abfd) == 0) |
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return false; |
return FALSE; |
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/* Since everything is done at close time, do we need any |
/* Since everything is done at close time, do we need any |
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initialization? */ |
initialization? */ |
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return true; |
return TRUE; |
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} |
} |
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boolean |
bfd_boolean |
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bfd_elf_mkcorefile (abfd) |
bfd_elf_mkcorefile (bfd *abfd) |
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bfd *abfd; |
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{ |
{ |
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/* I think this can be done just like an object file. */ |
/* I think this can be done just like an object file. */ |
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return bfd_elf_mkobject (abfd); |
return bfd_elf_mkobject (abfd); |
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} |
} |
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char * |
char * |
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bfd_elf_get_str_section (abfd, shindex) |
bfd_elf_get_str_section (bfd *abfd, unsigned int shindex) |
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bfd *abfd; |
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unsigned int shindex; |
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{ |
{ |
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Elf_Internal_Shdr **i_shdrp; |
Elf_Internal_Shdr **i_shdrp; |
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char *shstrtab = NULL; |
bfd_byte *shstrtab = NULL; |
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file_ptr offset; |
file_ptr offset; |
258 |
bfd_size_type shstrtabsize; |
bfd_size_type shstrtabsize; |
259 |
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i_shdrp = elf_elfsections (abfd); |
i_shdrp = elf_elfsections (abfd); |
261 |
if (i_shdrp == 0 || i_shdrp[shindex] == 0) |
if (i_shdrp == 0 || i_shdrp[shindex] == 0) |
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return 0; |
return NULL; |
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shstrtab = (char *) i_shdrp[shindex]->contents; |
shstrtab = i_shdrp[shindex]->contents; |
265 |
if (shstrtab == NULL) |
if (shstrtab == NULL) |
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{ |
{ |
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/* No cached one, attempt to read, and cache what we read. */ |
/* No cached one, attempt to read, and cache what we read. */ |
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offset = i_shdrp[shindex]->sh_offset; |
offset = i_shdrp[shindex]->sh_offset; |
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shstrtabsize = i_shdrp[shindex]->sh_size; |
shstrtabsize = i_shdrp[shindex]->sh_size; |
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shstrtab = elf_read (abfd, offset, shstrtabsize); |
shstrtab = elf_read (abfd, offset, shstrtabsize); |
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i_shdrp[shindex]->contents = (PTR) shstrtab; |
i_shdrp[shindex]->contents = shstrtab; |
272 |
} |
} |
273 |
return shstrtab; |
return (char *) shstrtab; |
274 |
} |
} |
275 |
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276 |
char * |
char * |
277 |
bfd_elf_string_from_elf_section (abfd, shindex, strindex) |
bfd_elf_string_from_elf_section (bfd *abfd, |
278 |
bfd *abfd; |
unsigned int shindex, |
279 |
unsigned int shindex; |
unsigned int strindex) |
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unsigned int strindex; |
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280 |
{ |
{ |
281 |
Elf_Internal_Shdr *hdr; |
Elf_Internal_Shdr *hdr; |
282 |
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292 |
if (strindex >= hdr->sh_size) |
if (strindex >= hdr->sh_size) |
293 |
{ |
{ |
294 |
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unsigned int shstrndx = elf_elfheader(abfd)->e_shstrndx; |
295 |
(*_bfd_error_handler) |
(*_bfd_error_handler) |
296 |
(_("%s: invalid string offset %u >= %lu for section `%s'"), |
(_("%B: invalid string offset %u >= %lu for section `%s'"), |
297 |
bfd_archive_filename (abfd), strindex, (unsigned long) hdr->sh_size, |
abfd, strindex, (unsigned long) hdr->sh_size, |
298 |
((shindex == elf_elfheader(abfd)->e_shstrndx |
(shindex == shstrndx && strindex == hdr->sh_name |
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&& strindex == hdr->sh_name) |
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299 |
? ".shstrtab" |
? ".shstrtab" |
300 |
: elf_string_from_elf_strtab (abfd, hdr->sh_name))); |
: bfd_elf_string_from_elf_section (abfd, shstrndx, hdr->sh_name))); |
301 |
return ""; |
return ""; |
302 |
} |
} |
303 |
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311 |
symbols, and symbol section index extensions, respectively. */ |
symbols, and symbol section index extensions, respectively. */ |
312 |
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313 |
Elf_Internal_Sym * |
Elf_Internal_Sym * |
314 |
bfd_elf_get_elf_syms (ibfd, symtab_hdr, symcount, symoffset, |
bfd_elf_get_elf_syms (bfd *ibfd, |
315 |
intsym_buf, extsym_buf, extshndx_buf) |
Elf_Internal_Shdr *symtab_hdr, |
316 |
bfd *ibfd; |
size_t symcount, |
317 |
Elf_Internal_Shdr *symtab_hdr; |
size_t symoffset, |
318 |
size_t symcount; |
Elf_Internal_Sym *intsym_buf, |
319 |
size_t symoffset; |
void *extsym_buf, |
320 |
Elf_Internal_Sym *intsym_buf; |
Elf_External_Sym_Shndx *extshndx_buf) |
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PTR extsym_buf; |
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Elf_External_Sym_Shndx *extshndx_buf; |
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321 |
{ |
{ |
322 |
Elf_Internal_Shdr *shndx_hdr; |
Elf_Internal_Shdr *shndx_hdr; |
323 |
PTR alloc_ext; |
void *alloc_ext; |
324 |
const PTR esym; |
const bfd_byte *esym; |
325 |
Elf_External_Sym_Shndx *alloc_extshndx; |
Elf_External_Sym_Shndx *alloc_extshndx; |
326 |
Elf_External_Sym_Shndx *shndx; |
Elf_External_Sym_Shndx *shndx; |
327 |
Elf_Internal_Sym *isym; |
Elf_Internal_Sym *isym; |
328 |
Elf_Internal_Sym *isymend; |
Elf_Internal_Sym *isymend; |
329 |
struct elf_backend_data *bed; |
const struct elf_backend_data *bed; |
330 |
size_t extsym_size; |
size_t extsym_size; |
331 |
bfd_size_type amt; |
bfd_size_type amt; |
332 |
file_ptr pos; |
file_ptr pos; |
367 |
pos = shndx_hdr->sh_offset + symoffset * sizeof (Elf_External_Sym_Shndx); |
pos = shndx_hdr->sh_offset + symoffset * sizeof (Elf_External_Sym_Shndx); |
368 |
if (extshndx_buf == NULL) |
if (extshndx_buf == NULL) |
369 |
{ |
{ |
370 |
alloc_extshndx = (Elf_External_Sym_Shndx *) bfd_malloc (amt); |
alloc_extshndx = bfd_malloc (amt); |
371 |
extshndx_buf = alloc_extshndx; |
extshndx_buf = alloc_extshndx; |
372 |
} |
} |
373 |
if (extshndx_buf == NULL |
if (extshndx_buf == NULL |
382 |
if (intsym_buf == NULL) |
if (intsym_buf == NULL) |
383 |
{ |
{ |
384 |
bfd_size_type amt = symcount * sizeof (Elf_Internal_Sym); |
bfd_size_type amt = symcount * sizeof (Elf_Internal_Sym); |
385 |
intsym_buf = (Elf_Internal_Sym *) bfd_malloc (amt); |
intsym_buf = bfd_malloc (amt); |
386 |
if (intsym_buf == NULL) |
if (intsym_buf == NULL) |
387 |
goto out; |
goto out; |
388 |
} |
} |
392 |
for (esym = extsym_buf, isym = intsym_buf, shndx = extshndx_buf; |
for (esym = extsym_buf, isym = intsym_buf, shndx = extshndx_buf; |
393 |
isym < isymend; |
isym < isymend; |
394 |
esym += extsym_size, isym++, shndx = shndx != NULL ? shndx + 1 : NULL) |
esym += extsym_size, isym++, shndx = shndx != NULL ? shndx + 1 : NULL) |
395 |
(*bed->s->swap_symbol_in) (ibfd, esym, (const PTR) shndx, isym); |
(*bed->s->swap_symbol_in) (ibfd, esym, shndx, isym); |
396 |
|
|
397 |
out: |
out: |
398 |
if (alloc_ext != NULL) |
if (alloc_ext != NULL) |
403 |
return intsym_buf; |
return intsym_buf; |
404 |
} |
} |
405 |
|
|
406 |
|
/* Look up a symbol name. */ |
407 |
|
const char * |
408 |
|
bfd_elf_sym_name (bfd *abfd, |
409 |
|
Elf_Internal_Shdr *symtab_hdr, |
410 |
|
Elf_Internal_Sym *isym) |
411 |
|
{ |
412 |
|
unsigned int iname = isym->st_name; |
413 |
|
unsigned int shindex = symtab_hdr->sh_link; |
414 |
|
if (iname == 0 && ELF_ST_TYPE (isym->st_info) == STT_SECTION |
415 |
|
/* Check for a bogus st_shndx to avoid crashing. */ |
416 |
|
&& isym->st_shndx < elf_numsections (abfd) |
417 |
|
&& !(isym->st_shndx >= SHN_LORESERVE && isym->st_shndx <= SHN_HIRESERVE)) |
418 |
|
{ |
419 |
|
iname = elf_elfsections (abfd)[isym->st_shndx]->sh_name; |
420 |
|
shindex = elf_elfheader (abfd)->e_shstrndx; |
421 |
|
} |
422 |
|
|
423 |
|
return bfd_elf_string_from_elf_section (abfd, shindex, iname); |
424 |
|
} |
425 |
|
|
426 |
/* Elf_Internal_Shdr->contents is an array of these for SHT_GROUP |
/* Elf_Internal_Shdr->contents is an array of these for SHT_GROUP |
427 |
sections. The first element is the flags, the rest are section |
sections. The first element is the flags, the rest are section |
428 |
pointers. */ |
pointers. */ |
436 |
signature just a string? */ |
signature just a string? */ |
437 |
|
|
438 |
static const char * |
static const char * |
439 |
group_signature (abfd, ghdr) |
group_signature (bfd *abfd, Elf_Internal_Shdr *ghdr) |
|
bfd *abfd; |
|
|
Elf_Internal_Shdr *ghdr; |
|
440 |
{ |
{ |
441 |
Elf_Internal_Shdr *hdr; |
Elf_Internal_Shdr *hdr; |
442 |
unsigned char esym[sizeof (Elf64_External_Sym)]; |
unsigned char esym[sizeof (Elf64_External_Sym)]; |
443 |
Elf_External_Sym_Shndx eshndx; |
Elf_External_Sym_Shndx eshndx; |
444 |
Elf_Internal_Sym isym; |
Elf_Internal_Sym isym; |
|
unsigned int iname; |
|
|
unsigned int shindex; |
|
445 |
|
|
446 |
/* First we need to ensure the symbol table is available. */ |
/* First we need to ensure the symbol table is available. Make sure |
447 |
if (! bfd_section_from_shdr (abfd, ghdr->sh_link)) |
that it is a symbol table section. */ |
448 |
|
hdr = elf_elfsections (abfd) [ghdr->sh_link]; |
449 |
|
if (hdr->sh_type != SHT_SYMTAB |
450 |
|
|| ! bfd_section_from_shdr (abfd, ghdr->sh_link)) |
451 |
return NULL; |
return NULL; |
452 |
|
|
453 |
/* Go read the symbol. */ |
/* Go read the symbol. */ |
456 |
&isym, esym, &eshndx) == NULL) |
&isym, esym, &eshndx) == NULL) |
457 |
return NULL; |
return NULL; |
458 |
|
|
459 |
/* Look up the symbol name. */ |
return bfd_elf_sym_name (abfd, hdr, &isym); |
|
iname = isym.st_name; |
|
|
shindex = hdr->sh_link; |
|
|
if (iname == 0 && ELF_ST_TYPE (isym.st_info) == STT_SECTION) |
|
|
{ |
|
|
iname = elf_elfsections (abfd)[isym.st_shndx]->sh_name; |
|
|
shindex = elf_elfheader (abfd)->e_shstrndx; |
|
|
} |
|
|
|
|
|
return bfd_elf_string_from_elf_section (abfd, shindex, iname); |
|
460 |
} |
} |
461 |
|
|
462 |
/* Set next_in_group list pointer, and group name for NEWSECT. */ |
/* Set next_in_group list pointer, and group name for NEWSECT. */ |
463 |
|
|
464 |
static boolean |
static bfd_boolean |
465 |
setup_group (abfd, hdr, newsect) |
setup_group (bfd *abfd, Elf_Internal_Shdr *hdr, asection *newsect) |
|
bfd *abfd; |
|
|
Elf_Internal_Shdr *hdr; |
|
|
asection *newsect; |
|
466 |
{ |
{ |
467 |
unsigned int num_group = elf_tdata (abfd)->num_group; |
unsigned int num_group = elf_tdata (abfd)->num_group; |
468 |
|
|
494 |
bfd_size_type amt = num_group * sizeof (Elf_Internal_Shdr *); |
bfd_size_type amt = num_group * sizeof (Elf_Internal_Shdr *); |
495 |
elf_tdata (abfd)->group_sect_ptr = bfd_alloc (abfd, amt); |
elf_tdata (abfd)->group_sect_ptr = bfd_alloc (abfd, amt); |
496 |
if (elf_tdata (abfd)->group_sect_ptr == NULL) |
if (elf_tdata (abfd)->group_sect_ptr == NULL) |
497 |
return false; |
return FALSE; |
498 |
|
|
499 |
num_group = 0; |
num_group = 0; |
500 |
for (i = 0; i < shnum; i++) |
for (i = 0; i < shnum; i++) |
517 |
|| bfd_seek (abfd, shdr->sh_offset, SEEK_SET) != 0 |
|| bfd_seek (abfd, shdr->sh_offset, SEEK_SET) != 0 |
518 |
|| (bfd_bread (shdr->contents, shdr->sh_size, abfd) |
|| (bfd_bread (shdr->contents, shdr->sh_size, abfd) |
519 |
!= shdr->sh_size)) |
!= shdr->sh_size)) |
520 |
return false; |
return FALSE; |
521 |
|
|
522 |
/* Translate raw contents, a flag word followed by an |
/* Translate raw contents, a flag word followed by an |
523 |
array of elf section indices all in target byte order, |
array of elf section indices all in target byte order, |
543 |
if (idx >= shnum) |
if (idx >= shnum) |
544 |
{ |
{ |
545 |
((*_bfd_error_handler) |
((*_bfd_error_handler) |
546 |
(_("%s: invalid SHT_GROUP entry"), |
(_("%B: invalid SHT_GROUP entry"), abfd)); |
|
bfd_archive_filename (abfd))); |
|
547 |
idx = 0; |
idx = 0; |
548 |
} |
} |
549 |
dest->shdr = elf_elfsections (abfd)[idx]; |
dest->shdr = elf_elfsections (abfd)[idx]; |
593 |
|
|
594 |
gname = group_signature (abfd, shdr); |
gname = group_signature (abfd, shdr); |
595 |
if (gname == NULL) |
if (gname == NULL) |
596 |
return false; |
return FALSE; |
597 |
elf_group_name (newsect) = gname; |
elf_group_name (newsect) = gname; |
598 |
|
|
599 |
/* Start a circular list with one element. */ |
/* Start a circular list with one element. */ |
613 |
|
|
614 |
if (elf_group_name (newsect) == NULL) |
if (elf_group_name (newsect) == NULL) |
615 |
{ |
{ |
616 |
(*_bfd_error_handler) (_("%s: no group info for section %s"), |
(*_bfd_error_handler) (_("%B: no group info for section %A"), |
617 |
bfd_archive_filename (abfd), newsect->name); |
abfd, newsect); |
618 |
} |
} |
619 |
return true; |
return TRUE; |
620 |
} |
} |
621 |
|
|
622 |
boolean |
bfd_boolean |
623 |
bfd_elf_discard_group (abfd, group) |
_bfd_elf_setup_group_pointers (bfd *abfd) |
|
bfd *abfd ATTRIBUTE_UNUSED; |
|
|
asection *group; |
|
624 |
{ |
{ |
625 |
asection *first = elf_next_in_group (group); |
unsigned int i; |
626 |
asection *s = first; |
unsigned int num_group = elf_tdata (abfd)->num_group; |
627 |
|
bfd_boolean result = TRUE; |
628 |
|
|
629 |
|
if (num_group == (unsigned) -1) |
630 |
|
return result; |
631 |
|
|
632 |
while (s != NULL) |
for (i = 0; i < num_group; i++) |
633 |
{ |
{ |
634 |
s->output_section = bfd_abs_section_ptr; |
Elf_Internal_Shdr *shdr = elf_tdata (abfd)->group_sect_ptr[i]; |
635 |
s = elf_next_in_group (s); |
Elf_Internal_Group *idx = (Elf_Internal_Group *) shdr->contents; |
636 |
/* These lists are circular. */ |
unsigned int n_elt = shdr->sh_size / 4; |
637 |
if (s == first) |
|
638 |
break; |
while (--n_elt != 0) |
639 |
|
if ((++idx)->shdr->bfd_section) |
640 |
|
elf_sec_group (idx->shdr->bfd_section) = shdr->bfd_section; |
641 |
|
else if (idx->shdr->sh_type == SHT_RELA |
642 |
|
|| idx->shdr->sh_type == SHT_REL) |
643 |
|
/* We won't include relocation sections in section groups in |
644 |
|
output object files. We adjust the group section size here |
645 |
|
so that relocatable link will work correctly when |
646 |
|
relocation sections are in section group in input object |
647 |
|
files. */ |
648 |
|
shdr->bfd_section->size -= 4; |
649 |
|
else |
650 |
|
{ |
651 |
|
/* There are some unknown sections in the group. */ |
652 |
|
(*_bfd_error_handler) |
653 |
|
(_("%B: unknown [%d] section `%s' in group [%s]"), |
654 |
|
abfd, |
655 |
|
(unsigned int) idx->shdr->sh_type, |
656 |
|
bfd_elf_string_from_elf_section (abfd, |
657 |
|
(elf_elfheader (abfd) |
658 |
|
->e_shstrndx), |
659 |
|
idx->shdr->sh_name), |
660 |
|
shdr->bfd_section->name); |
661 |
|
result = FALSE; |
662 |
|
} |
663 |
} |
} |
664 |
return true; |
return result; |
665 |
|
} |
666 |
|
|
667 |
|
bfd_boolean |
668 |
|
bfd_elf_is_group_section (bfd *abfd ATTRIBUTE_UNUSED, const asection *sec) |
669 |
|
{ |
670 |
|
return elf_next_in_group (sec) != NULL; |
671 |
} |
} |
672 |
|
|
673 |
/* Make a BFD section from an ELF section. We store a pointer to the |
/* Make a BFD section from an ELF section. We store a pointer to the |
674 |
BFD section in the bfd_section field of the header. */ |
BFD section in the bfd_section field of the header. */ |
675 |
|
|
676 |
boolean |
bfd_boolean |
677 |
_bfd_elf_make_section_from_shdr (abfd, hdr, name) |
_bfd_elf_make_section_from_shdr (bfd *abfd, |
678 |
bfd *abfd; |
Elf_Internal_Shdr *hdr, |
679 |
Elf_Internal_Shdr *hdr; |
const char *name) |
|
const char *name; |
|
680 |
{ |
{ |
681 |
asection *newsect; |
asection *newsect; |
682 |
flagword flags; |
flagword flags; |
683 |
struct elf_backend_data *bed; |
const struct elf_backend_data *bed; |
684 |
|
|
685 |
if (hdr->bfd_section != NULL) |
if (hdr->bfd_section != NULL) |
686 |
{ |
{ |
687 |
BFD_ASSERT (strcmp (name, |
BFD_ASSERT (strcmp (name, |
688 |
bfd_get_section_name (abfd, hdr->bfd_section)) == 0); |
bfd_get_section_name (abfd, hdr->bfd_section)) == 0); |
689 |
return true; |
return TRUE; |
690 |
} |
} |
691 |
|
|
692 |
newsect = bfd_make_section_anyway (abfd, name); |
newsect = bfd_make_section_anyway (abfd, name); |
693 |
if (newsect == NULL) |
if (newsect == NULL) |
694 |
return false; |
return FALSE; |
695 |
|
|
696 |
|
hdr->bfd_section = newsect; |
697 |
|
elf_section_data (newsect)->this_hdr = *hdr; |
698 |
|
|
699 |
|
/* Always use the real type/flags. */ |
700 |
|
elf_section_type (newsect) = hdr->sh_type; |
701 |
|
elf_section_flags (newsect) = hdr->sh_flags; |
702 |
|
|
703 |
newsect->filepos = hdr->sh_offset; |
newsect->filepos = hdr->sh_offset; |
704 |
|
|
706 |
|| ! bfd_set_section_size (abfd, newsect, hdr->sh_size) |
|| ! bfd_set_section_size (abfd, newsect, hdr->sh_size) |
707 |
|| ! bfd_set_section_alignment (abfd, newsect, |
|| ! bfd_set_section_alignment (abfd, newsect, |
708 |
bfd_log2 ((bfd_vma) hdr->sh_addralign))) |
bfd_log2 ((bfd_vma) hdr->sh_addralign))) |
709 |
return false; |
return FALSE; |
710 |
|
|
711 |
flags = SEC_NO_FLAGS; |
flags = SEC_NO_FLAGS; |
712 |
if (hdr->sh_type != SHT_NOBITS) |
if (hdr->sh_type != SHT_NOBITS) |
734 |
} |
} |
735 |
if (hdr->sh_flags & SHF_GROUP) |
if (hdr->sh_flags & SHF_GROUP) |
736 |
if (!setup_group (abfd, hdr, newsect)) |
if (!setup_group (abfd, hdr, newsect)) |
737 |
return false; |
return FALSE; |
738 |
if ((hdr->sh_flags & SHF_TLS) != 0) |
if ((hdr->sh_flags & SHF_TLS) != 0) |
739 |
flags |= SEC_THREAD_LOCAL; |
flags |= SEC_THREAD_LOCAL; |
740 |
|
|
771 |
bed = get_elf_backend_data (abfd); |
bed = get_elf_backend_data (abfd); |
772 |
if (bed->elf_backend_section_flags) |
if (bed->elf_backend_section_flags) |
773 |
if (! bed->elf_backend_section_flags (&flags, hdr)) |
if (! bed->elf_backend_section_flags (&flags, hdr)) |
774 |
return false; |
return FALSE; |
775 |
|
|
776 |
if (! bfd_set_section_flags (abfd, newsect, flags)) |
if (! bfd_set_section_flags (abfd, newsect, flags)) |
777 |
return false; |
return FALSE; |
778 |
|
|
779 |
if ((flags & SEC_ALLOC) != 0) |
if ((flags & SEC_ALLOC) != 0) |
780 |
{ |
{ |
842 |
} |
} |
843 |
} |
} |
844 |
|
|
845 |
hdr->bfd_section = newsect; |
return TRUE; |
|
elf_section_data (newsect)->this_hdr = *hdr; |
|
|
|
|
|
return true; |
|
846 |
} |
} |
847 |
|
|
848 |
/* |
/* |
861 |
*/ |
*/ |
862 |
|
|
863 |
struct elf_internal_shdr * |
struct elf_internal_shdr * |
864 |
bfd_elf_find_section (abfd, name) |
bfd_elf_find_section (bfd *abfd, char *name) |
|
bfd *abfd; |
|
|
char *name; |
|
865 |
{ |
{ |
866 |
Elf_Internal_Shdr **i_shdrp; |
Elf_Internal_Shdr **i_shdrp; |
867 |
char *shstrtab; |
char *shstrtab; |
890 |
"SHT_NOBITS", "SHT_REL", "SHT_SHLIB", "SHT_DYNSYM", |
"SHT_NOBITS", "SHT_REL", "SHT_SHLIB", "SHT_DYNSYM", |
891 |
}; |
}; |
892 |
|
|
893 |
/* ELF relocs are against symbols. If we are producing relocateable |
/* ELF relocs are against symbols. If we are producing relocatable |
894 |
output, and the reloc is against an external symbol, and nothing |
output, and the reloc is against an external symbol, and nothing |
895 |
has given us any additional addend, the resulting reloc will also |
has given us any additional addend, the resulting reloc will also |
896 |
be against the same symbol. In such a case, we don't want to |
be against the same symbol. In such a case, we don't want to |
898 |
all be done at final link time. Rather than put special case code |
all be done at final link time. Rather than put special case code |
899 |
into bfd_perform_relocation, all the reloc types use this howto |
into bfd_perform_relocation, all the reloc types use this howto |
900 |
function. It just short circuits the reloc if producing |
function. It just short circuits the reloc if producing |
901 |
relocateable output against an external symbol. */ |
relocatable output against an external symbol. */ |
902 |
|
|
903 |
bfd_reloc_status_type |
bfd_reloc_status_type |
904 |
bfd_elf_generic_reloc (abfd, |
bfd_elf_generic_reloc (bfd *abfd ATTRIBUTE_UNUSED, |
905 |
reloc_entry, |
arelent *reloc_entry, |
906 |
symbol, |
asymbol *symbol, |
907 |
data, |
void *data ATTRIBUTE_UNUSED, |
908 |
input_section, |
asection *input_section, |
909 |
output_bfd, |
bfd *output_bfd, |
910 |
error_message) |
char **error_message ATTRIBUTE_UNUSED) |
|
bfd *abfd ATTRIBUTE_UNUSED; |
|
|
arelent *reloc_entry; |
|
|
asymbol *symbol; |
|
|
PTR data ATTRIBUTE_UNUSED; |
|
|
asection *input_section; |
|
|
bfd *output_bfd; |
|
|
char **error_message ATTRIBUTE_UNUSED; |
|
911 |
{ |
{ |
912 |
if (output_bfd != (bfd *) NULL |
if (output_bfd != NULL |
913 |
&& (symbol->flags & BSF_SECTION_SYM) == 0 |
&& (symbol->flags & BSF_SECTION_SYM) == 0 |
914 |
&& (! reloc_entry->howto->partial_inplace |
&& (! reloc_entry->howto->partial_inplace |
915 |
|| reloc_entry->addend == 0)) |
|| reloc_entry->addend == 0)) |
924 |
/* Make sure sec_info_type is cleared if sec_info is cleared too. */ |
/* Make sure sec_info_type is cleared if sec_info is cleared too. */ |
925 |
|
|
926 |
static void |
static void |
927 |
merge_sections_remove_hook (abfd, sec) |
merge_sections_remove_hook (bfd *abfd ATTRIBUTE_UNUSED, |
928 |
bfd *abfd ATTRIBUTE_UNUSED; |
asection *sec) |
929 |
asection *sec; |
{ |
930 |
{ |
BFD_ASSERT (sec->sec_info_type == ELF_INFO_TYPE_MERGE); |
931 |
struct bfd_elf_section_data *sec_data; |
sec->sec_info_type = ELF_INFO_TYPE_NONE; |
|
|
|
|
sec_data = elf_section_data (sec); |
|
|
BFD_ASSERT (sec_data->sec_info_type == ELF_INFO_TYPE_MERGE); |
|
|
sec_data->sec_info_type = ELF_INFO_TYPE_NONE; |
|
932 |
} |
} |
933 |
|
|
934 |
/* Finish SHF_MERGE section merging. */ |
/* Finish SHF_MERGE section merging. */ |
935 |
|
|
936 |
boolean |
bfd_boolean |
937 |
_bfd_elf_merge_sections (abfd, info) |
_bfd_elf_merge_sections (bfd *abfd, struct bfd_link_info *info) |
938 |
bfd *abfd; |
{ |
939 |
struct bfd_link_info *info; |
bfd *ibfd; |
940 |
{ |
asection *sec; |
941 |
if (!is_elf_hash_table (info)) |
|
942 |
return false; |
if (!is_elf_hash_table (info->hash)) |
943 |
if (elf_hash_table (info)->merge_info) |
return FALSE; |
944 |
_bfd_merge_sections (abfd, elf_hash_table (info)->merge_info, |
|
945 |
|
for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next) |
946 |
|
if ((ibfd->flags & DYNAMIC) == 0) |
947 |
|
for (sec = ibfd->sections; sec != NULL; sec = sec->next) |
948 |
|
if ((sec->flags & SEC_MERGE) != 0 |
949 |
|
&& !bfd_is_abs_section (sec->output_section)) |
950 |
|
{ |
951 |
|
struct bfd_elf_section_data *secdata; |
952 |
|
|
953 |
|
secdata = elf_section_data (sec); |
954 |
|
if (! _bfd_add_merge_section (abfd, |
955 |
|
&elf_hash_table (info)->merge_info, |
956 |
|
sec, &secdata->sec_info)) |
957 |
|
return FALSE; |
958 |
|
else if (secdata->sec_info) |
959 |
|
sec->sec_info_type = ELF_INFO_TYPE_MERGE; |
960 |
|
} |
961 |
|
|
962 |
|
if (elf_hash_table (info)->merge_info != NULL) |
963 |
|
_bfd_merge_sections (abfd, info, elf_hash_table (info)->merge_info, |
964 |
merge_sections_remove_hook); |
merge_sections_remove_hook); |
965 |
return true; |
return TRUE; |
966 |
} |
} |
967 |
|
|
968 |
void |
void |
969 |
_bfd_elf_link_just_syms (sec, info) |
_bfd_elf_link_just_syms (asection *sec, struct bfd_link_info *info) |
|
asection *sec; |
|
|
struct bfd_link_info *info; |
|
970 |
{ |
{ |
971 |
sec->output_section = bfd_abs_section_ptr; |
sec->output_section = bfd_abs_section_ptr; |
972 |
sec->output_offset = sec->vma; |
sec->output_offset = sec->vma; |
973 |
if (!is_elf_hash_table (info)) |
if (!is_elf_hash_table (info->hash)) |
974 |
return; |
return; |
975 |
|
|
976 |
elf_section_data (sec)->sec_info_type = ELF_INFO_TYPE_JUST_SYMS; |
sec->sec_info_type = ELF_INFO_TYPE_JUST_SYMS; |
977 |
} |
} |
978 |
|
|
979 |
/* Copy the program header and other data from one object module to |
/* Copy the program header and other data from one object module to |
980 |
another. */ |
another. */ |
981 |
|
|
982 |
boolean |
bfd_boolean |
983 |
_bfd_elf_copy_private_bfd_data (ibfd, obfd) |
_bfd_elf_copy_private_bfd_data (bfd *ibfd, bfd *obfd) |
|
bfd *ibfd; |
|
|
bfd *obfd; |
|
984 |
{ |
{ |
985 |
if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour |
if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour |
986 |
|| bfd_get_flavour (obfd) != bfd_target_elf_flavour) |
|| bfd_get_flavour (obfd) != bfd_target_elf_flavour) |
987 |
return true; |
return TRUE; |
988 |
|
|
989 |
BFD_ASSERT (!elf_flags_init (obfd) |
BFD_ASSERT (!elf_flags_init (obfd) |
990 |
|| (elf_elfheader (obfd)->e_flags |
|| (elf_elfheader (obfd)->e_flags |
992 |
|
|
993 |
elf_gp (obfd) = elf_gp (ibfd); |
elf_gp (obfd) = elf_gp (ibfd); |
994 |
elf_elfheader (obfd)->e_flags = elf_elfheader (ibfd)->e_flags; |
elf_elfheader (obfd)->e_flags = elf_elfheader (ibfd)->e_flags; |
995 |
elf_flags_init (obfd) = true; |
elf_flags_init (obfd) = TRUE; |
996 |
return true; |
return TRUE; |
997 |
} |
} |
998 |
|
|
999 |
/* Print out the program headers. */ |
/* Print out the program headers. */ |
1000 |
|
|
1001 |
boolean |
bfd_boolean |
1002 |
_bfd_elf_print_private_bfd_data (abfd, farg) |
_bfd_elf_print_private_bfd_data (bfd *abfd, void *farg) |
|
bfd *abfd; |
|
|
PTR farg; |
|
1003 |
{ |
{ |
1004 |
FILE *f = (FILE *) farg; |
FILE *f = farg; |
1005 |
Elf_Internal_Phdr *p; |
Elf_Internal_Phdr *p; |
1006 |
asection *s; |
asection *s; |
1007 |
bfd_byte *dynbuf = NULL; |
bfd_byte *dynbuf = NULL; |
1029 |
case PT_PHDR: pt = "PHDR"; break; |
case PT_PHDR: pt = "PHDR"; break; |
1030 |
case PT_TLS: pt = "TLS"; break; |
case PT_TLS: pt = "TLS"; break; |
1031 |
case PT_GNU_EH_FRAME: pt = "EH_FRAME"; break; |
case PT_GNU_EH_FRAME: pt = "EH_FRAME"; break; |
1032 |
|
case PT_GNU_STACK: pt = "STACK"; break; |
1033 |
|
case PT_GNU_RELRO: pt = "RELRO"; break; |
1034 |
default: sprintf (buf, "0x%lx", p->p_type); pt = buf; break; |
default: sprintf (buf, "0x%lx", p->p_type); pt = buf; break; |
1035 |
} |
} |
1036 |
fprintf (f, "%8s off 0x", pt); |
fprintf (f, "%8s off 0x", pt); |
1061 |
unsigned long shlink; |
unsigned long shlink; |
1062 |
bfd_byte *extdyn, *extdynend; |
bfd_byte *extdyn, *extdynend; |
1063 |
size_t extdynsize; |
size_t extdynsize; |
1064 |
void (*swap_dyn_in) PARAMS ((bfd *, const PTR, Elf_Internal_Dyn *)); |
void (*swap_dyn_in) (bfd *, const void *, Elf_Internal_Dyn *); |
1065 |
|
|
1066 |
fprintf (f, _("\nDynamic Section:\n")); |
fprintf (f, _("\nDynamic Section:\n")); |
1067 |
|
|
1068 |
dynbuf = (bfd_byte *) bfd_malloc (s->_raw_size); |
if (!bfd_malloc_and_get_section (abfd, s, &dynbuf)) |
|
if (dynbuf == NULL) |
|
|
goto error_return; |
|
|
if (! bfd_get_section_contents (abfd, s, (PTR) dynbuf, (file_ptr) 0, |
|
|
s->_raw_size)) |
|
1069 |
goto error_return; |
goto error_return; |
1070 |
|
|
1071 |
elfsec = _bfd_elf_section_from_bfd_section (abfd, s); |
elfsec = _bfd_elf_section_from_bfd_section (abfd, s); |
1077 |
swap_dyn_in = get_elf_backend_data (abfd)->s->swap_dyn_in; |
swap_dyn_in = get_elf_backend_data (abfd)->s->swap_dyn_in; |
1078 |
|
|
1079 |
extdyn = dynbuf; |
extdyn = dynbuf; |
1080 |
extdynend = extdyn + s->_raw_size; |
extdynend = extdyn + s->size; |
1081 |
for (; extdyn < extdynend; extdyn += extdynsize) |
for (; extdyn < extdynend; extdyn += extdynsize) |
1082 |
{ |
{ |
1083 |
Elf_Internal_Dyn dyn; |
Elf_Internal_Dyn dyn; |
1084 |
const char *name; |
const char *name; |
1085 |
char ab[20]; |
char ab[20]; |
1086 |
boolean stringp; |
bfd_boolean stringp; |
1087 |
|
|
1088 |
(*swap_dyn_in) (abfd, (PTR) extdyn, &dyn); |
(*swap_dyn_in) (abfd, extdyn, &dyn); |
1089 |
|
|
1090 |
if (dyn.d_tag == DT_NULL) |
if (dyn.d_tag == DT_NULL) |
1091 |
break; |
break; |
1092 |
|
|
1093 |
stringp = false; |
stringp = FALSE; |
1094 |
switch (dyn.d_tag) |
switch (dyn.d_tag) |
1095 |
{ |
{ |
1096 |
default: |
default: |
1098 |
name = ab; |
name = ab; |
1099 |
break; |
break; |
1100 |
|
|
1101 |
case DT_NEEDED: name = "NEEDED"; stringp = true; break; |
case DT_NEEDED: name = "NEEDED"; stringp = TRUE; break; |
1102 |
case DT_PLTRELSZ: name = "PLTRELSZ"; break; |
case DT_PLTRELSZ: name = "PLTRELSZ"; break; |
1103 |
case DT_PLTGOT: name = "PLTGOT"; break; |
case DT_PLTGOT: name = "PLTGOT"; break; |
1104 |
case DT_HASH: name = "HASH"; break; |
case DT_HASH: name = "HASH"; break; |
1111 |
case DT_SYMENT: name = "SYMENT"; break; |
case DT_SYMENT: name = "SYMENT"; break; |
1112 |
case DT_INIT: name = "INIT"; break; |
case DT_INIT: name = "INIT"; break; |
1113 |
case DT_FINI: name = "FINI"; break; |
case DT_FINI: name = "FINI"; break; |
1114 |
case DT_SONAME: name = "SONAME"; stringp = true; break; |
case DT_SONAME: name = "SONAME"; stringp = TRUE; break; |
1115 |
case DT_RPATH: name = "RPATH"; stringp = true; break; |
case DT_RPATH: name = "RPATH"; stringp = TRUE; break; |
1116 |
case DT_SYMBOLIC: name = "SYMBOLIC"; break; |
case DT_SYMBOLIC: name = "SYMBOLIC"; break; |
1117 |
case DT_REL: name = "REL"; break; |
case DT_REL: name = "REL"; break; |
1118 |
case DT_RELSZ: name = "RELSZ"; break; |
case DT_RELSZ: name = "RELSZ"; break; |
1126 |
case DT_FINI_ARRAY: name = "FINI_ARRAY"; break; |
case DT_FINI_ARRAY: name = "FINI_ARRAY"; break; |
1127 |
case DT_INIT_ARRAYSZ: name = "INIT_ARRAYSZ"; break; |
case DT_INIT_ARRAYSZ: name = "INIT_ARRAYSZ"; break; |
1128 |
case DT_FINI_ARRAYSZ: name = "FINI_ARRAYSZ"; break; |
case DT_FINI_ARRAYSZ: name = "FINI_ARRAYSZ"; break; |
1129 |
case DT_RUNPATH: name = "RUNPATH"; stringp = true; break; |
case DT_RUNPATH: name = "RUNPATH"; stringp = TRUE; break; |
1130 |
case DT_FLAGS: name = "FLAGS"; break; |
case DT_FLAGS: name = "FLAGS"; break; |
1131 |
case DT_PREINIT_ARRAY: name = "PREINIT_ARRAY"; break; |
case DT_PREINIT_ARRAY: name = "PREINIT_ARRAY"; break; |
1132 |
case DT_PREINIT_ARRAYSZ: name = "PREINIT_ARRAYSZ"; break; |
case DT_PREINIT_ARRAYSZ: name = "PREINIT_ARRAYSZ"; break; |
1138 |
case DT_POSFLAG_1: name = "POSFLAG_1"; break; |
case DT_POSFLAG_1: name = "POSFLAG_1"; break; |
1139 |
case DT_SYMINSZ: name = "SYMINSZ"; break; |
case DT_SYMINSZ: name = "SYMINSZ"; break; |
1140 |
case DT_SYMINENT: name = "SYMINENT"; break; |
case DT_SYMINENT: name = "SYMINENT"; break; |
1141 |
case DT_CONFIG: name = "CONFIG"; stringp = true; break; |
case DT_CONFIG: name = "CONFIG"; stringp = TRUE; break; |
1142 |
case DT_DEPAUDIT: name = "DEPAUDIT"; stringp = true; break; |
case DT_DEPAUDIT: name = "DEPAUDIT"; stringp = TRUE; break; |
1143 |
case DT_AUDIT: name = "AUDIT"; stringp = true; break; |
case DT_AUDIT: name = "AUDIT"; stringp = TRUE; break; |
1144 |
case DT_PLTPAD: name = "PLTPAD"; break; |
case DT_PLTPAD: name = "PLTPAD"; break; |
1145 |
case DT_MOVETAB: name = "MOVETAB"; break; |
case DT_MOVETAB: name = "MOVETAB"; break; |
1146 |
case DT_SYMINFO: name = "SYMINFO"; break; |
case DT_SYMINFO: name = "SYMINFO"; break; |
1152 |
case DT_VERDEFNUM: name = "VERDEFNUM"; break; |
case DT_VERDEFNUM: name = "VERDEFNUM"; break; |
1153 |
case DT_VERNEED: name = "VERNEED"; break; |
case DT_VERNEED: name = "VERNEED"; break; |
1154 |
case DT_VERNEEDNUM: name = "VERNEEDNUM"; break; |
case DT_VERNEEDNUM: name = "VERNEEDNUM"; break; |
1155 |
case DT_AUXILIARY: name = "AUXILIARY"; stringp = true; break; |
case DT_AUXILIARY: name = "AUXILIARY"; stringp = TRUE; break; |
1156 |
case DT_USED: name = "USED"; break; |
case DT_USED: name = "USED"; break; |
1157 |
case DT_FILTER: name = "FILTER"; stringp = true; break; |
case DT_FILTER: name = "FILTER"; stringp = TRUE; break; |
1158 |
} |
} |
1159 |
|
|
1160 |
fprintf (f, " %-11s ", name); |
fprintf (f, " %-11s ", name); |
1180 |
if ((elf_dynverdef (abfd) != 0 && elf_tdata (abfd)->verdef == NULL) |
if ((elf_dynverdef (abfd) != 0 && elf_tdata (abfd)->verdef == NULL) |
1181 |
|| (elf_dynverref (abfd) != 0 && elf_tdata (abfd)->verref == NULL)) |
|| (elf_dynverref (abfd) != 0 && elf_tdata (abfd)->verref == NULL)) |
1182 |
{ |
{ |
1183 |
if (! _bfd_elf_slurp_version_tables (abfd)) |
if (! _bfd_elf_slurp_version_tables (abfd, FALSE)) |
1184 |
return false; |
return FALSE; |
1185 |
} |
} |
1186 |
|
|
1187 |
if (elf_dynverdef (abfd) != 0) |
if (elf_dynverdef (abfd) != 0) |
1223 |
} |
} |
1224 |
} |
} |
1225 |
|
|
1226 |
return true; |
return TRUE; |
1227 |
|
|
1228 |
error_return: |
error_return: |
1229 |
if (dynbuf != NULL) |
if (dynbuf != NULL) |
1230 |
free (dynbuf); |
free (dynbuf); |
1231 |
return false; |
return FALSE; |
1232 |
} |
} |
1233 |
|
|
1234 |
/* Display ELF-specific fields of a symbol. */ |
/* Display ELF-specific fields of a symbol. */ |
1235 |
|
|
1236 |
void |
void |
1237 |
bfd_elf_print_symbol (abfd, filep, symbol, how) |
bfd_elf_print_symbol (bfd *abfd, |
1238 |
bfd *abfd; |
void *filep, |
1239 |
PTR filep; |
asymbol *symbol, |
1240 |
asymbol *symbol; |
bfd_print_symbol_type how) |
|
bfd_print_symbol_type how; |
|
1241 |
{ |
{ |
1242 |
FILE *file = (FILE *) filep; |
FILE *file = filep; |
1243 |
switch (how) |
switch (how) |
1244 |
{ |
{ |
1245 |
case bfd_print_symbol_name: |
case bfd_print_symbol_name: |
1254 |
{ |
{ |
1255 |
const char *section_name; |
const char *section_name; |
1256 |
const char *name = NULL; |
const char *name = NULL; |
1257 |
struct elf_backend_data *bed; |
const struct elf_backend_data *bed; |
1258 |
unsigned char st_other; |
unsigned char st_other; |
1259 |
bfd_vma val; |
bfd_vma val; |
1260 |
|
|
1267 |
if (name == NULL) |
if (name == NULL) |
1268 |
{ |
{ |
1269 |
name = symbol->name; |
name = symbol->name; |
1270 |
bfd_print_symbol_vandf (abfd, (PTR) file, symbol); |
bfd_print_symbol_vandf (abfd, file, symbol); |
1271 |
} |
} |
1272 |
|
|
1273 |
fprintf (file, " %s\t", section_name); |
fprintf (file, " %s\t", section_name); |
1356 |
/* Create an entry in an ELF linker hash table. */ |
/* Create an entry in an ELF linker hash table. */ |
1357 |
|
|
1358 |
struct bfd_hash_entry * |
struct bfd_hash_entry * |
1359 |
_bfd_elf_link_hash_newfunc (entry, table, string) |
_bfd_elf_link_hash_newfunc (struct bfd_hash_entry *entry, |
1360 |
struct bfd_hash_entry *entry; |
struct bfd_hash_table *table, |
1361 |
struct bfd_hash_table *table; |
const char *string) |
|
const char *string; |
|
1362 |
{ |
{ |
1363 |
/* Allocate the structure if it has not already been allocated by a |
/* Allocate the structure if it has not already been allocated by a |
1364 |
subclass. */ |
subclass. */ |
1378 |
|
|
1379 |
/* Set local fields. */ |
/* Set local fields. */ |
1380 |
ret->indx = -1; |
ret->indx = -1; |
|
ret->size = 0; |
|
1381 |
ret->dynindx = -1; |
ret->dynindx = -1; |
1382 |
ret->dynstr_index = 0; |
ret->got = ret->plt = htab->init_refcount; |
1383 |
ret->weakdef = NULL; |
memset (&ret->size, 0, (sizeof (struct elf_link_hash_entry) |
1384 |
ret->got.refcount = htab->init_refcount; |
- offsetof (struct elf_link_hash_entry, size))); |
|
ret->plt.refcount = htab->init_refcount; |
|
|
ret->linker_section_pointer = NULL; |
|
|
ret->verinfo.verdef = NULL; |
|
|
ret->vtable_entries_used = NULL; |
|
|
ret->vtable_entries_size = 0; |
|
|
ret->vtable_parent = NULL; |
|
|
ret->type = STT_NOTYPE; |
|
|
ret->other = 0; |
|
1385 |
/* Assume that we have been called by a non-ELF symbol reader. |
/* Assume that we have been called by a non-ELF symbol reader. |
1386 |
This flag is then reset by the code which reads an ELF input |
This flag is then reset by the code which reads an ELF input |
1387 |
file. This ensures that a symbol created by a non-ELF symbol |
file. This ensures that a symbol created by a non-ELF symbol |
1388 |
reader will have the flag set correctly. */ |
reader will have the flag set correctly. */ |
1389 |
ret->elf_link_hash_flags = ELF_LINK_NON_ELF; |
ret->non_elf = 1; |
1390 |
} |
} |
1391 |
|
|
1392 |
return entry; |
return entry; |
1396 |
old indirect symbol. Also used for copying flags to a weakdef. */ |
old indirect symbol. Also used for copying flags to a weakdef. */ |
1397 |
|
|
1398 |
void |
void |
1399 |
_bfd_elf_link_hash_copy_indirect (dir, ind) |
_bfd_elf_link_hash_copy_indirect (const struct elf_backend_data *bed, |
1400 |
struct elf_link_hash_entry *dir, *ind; |
struct elf_link_hash_entry *dir, |
1401 |
|
struct elf_link_hash_entry *ind) |
1402 |
{ |
{ |
1403 |
bfd_signed_vma tmp; |
bfd_signed_vma tmp; |
1404 |
|
bfd_signed_vma lowest_valid = bed->can_refcount; |
1405 |
|
|
1406 |
/* Copy down any references that we may have already seen to the |
/* Copy down any references that we may have already seen to the |
1407 |
symbol which just became indirect. */ |
symbol which just became indirect. */ |
1408 |
|
|
1409 |
dir->elf_link_hash_flags |= |
dir->ref_dynamic |= ind->ref_dynamic; |
1410 |
(ind->elf_link_hash_flags |
dir->ref_regular |= ind->ref_regular; |
1411 |
& (ELF_LINK_HASH_REF_DYNAMIC |
dir->ref_regular_nonweak |= ind->ref_regular_nonweak; |
1412 |
| ELF_LINK_HASH_REF_REGULAR |
dir->non_got_ref |= ind->non_got_ref; |
1413 |
| ELF_LINK_HASH_REF_REGULAR_NONWEAK |
dir->needs_plt |= ind->needs_plt; |
1414 |
| ELF_LINK_NON_GOT_REF)); |
dir->pointer_equality_needed |= ind->pointer_equality_needed; |
1415 |
|
|
1416 |
if (ind->root.type != bfd_link_hash_indirect) |
if (ind->root.type != bfd_link_hash_indirect) |
1417 |
return; |
return; |
1419 |
/* Copy over the global and procedure linkage table refcount entries. |
/* Copy over the global and procedure linkage table refcount entries. |
1420 |
These may have been already set up by a check_relocs routine. */ |
These may have been already set up by a check_relocs routine. */ |
1421 |
tmp = dir->got.refcount; |
tmp = dir->got.refcount; |
1422 |
if (tmp <= 0) |
if (tmp < lowest_valid) |
1423 |
{ |
{ |
1424 |
dir->got.refcount = ind->got.refcount; |
dir->got.refcount = ind->got.refcount; |
1425 |
ind->got.refcount = tmp; |
ind->got.refcount = tmp; |
1426 |
} |
} |
1427 |
else |
else |
1428 |
BFD_ASSERT (ind->got.refcount <= 0); |
BFD_ASSERT (ind->got.refcount < lowest_valid); |
1429 |
|
|
1430 |
tmp = dir->plt.refcount; |
tmp = dir->plt.refcount; |
1431 |
if (tmp <= 0) |
if (tmp < lowest_valid) |
1432 |
{ |
{ |
1433 |
dir->plt.refcount = ind->plt.refcount; |
dir->plt.refcount = ind->plt.refcount; |
1434 |
ind->plt.refcount = tmp; |
ind->plt.refcount = tmp; |
1435 |
} |
} |
1436 |
else |
else |
1437 |
BFD_ASSERT (ind->plt.refcount <= 0); |
BFD_ASSERT (ind->plt.refcount < lowest_valid); |
1438 |
|
|
1439 |
if (dir->dynindx == -1) |
if (dir->dynindx == -1) |
1440 |
{ |
{ |
1448 |
} |
} |
1449 |
|
|
1450 |
void |
void |
1451 |
_bfd_elf_link_hash_hide_symbol (info, h, force_local) |
_bfd_elf_link_hash_hide_symbol (struct bfd_link_info *info, |
1452 |
struct bfd_link_info *info; |
struct elf_link_hash_entry *h, |
1453 |
struct elf_link_hash_entry *h; |
bfd_boolean force_local) |
|
boolean force_local; |
|
1454 |
{ |
{ |
1455 |
h->plt.offset = (bfd_vma) -1; |
h->plt = elf_hash_table (info)->init_offset; |
1456 |
h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT; |
h->needs_plt = 0; |
1457 |
if (force_local) |
if (force_local) |
1458 |
{ |
{ |
1459 |
h->elf_link_hash_flags |= ELF_LINK_FORCED_LOCAL; |
h->forced_local = 1; |
1460 |
if (h->dynindx != -1) |
if (h->dynindx != -1) |
1461 |
{ |
{ |
1462 |
h->dynindx = -1; |
h->dynindx = -1; |
1468 |
|
|
1469 |
/* Initialize an ELF linker hash table. */ |
/* Initialize an ELF linker hash table. */ |
1470 |
|
|
1471 |
boolean |
bfd_boolean |
1472 |
_bfd_elf_link_hash_table_init (table, abfd, newfunc) |
_bfd_elf_link_hash_table_init |
1473 |
struct elf_link_hash_table *table; |
(struct elf_link_hash_table *table, |
1474 |
bfd *abfd; |
bfd *abfd, |
1475 |
struct bfd_hash_entry *(*newfunc) PARAMS ((struct bfd_hash_entry *, |
struct bfd_hash_entry *(*newfunc) (struct bfd_hash_entry *, |
1476 |
struct bfd_hash_table *, |
struct bfd_hash_table *, |
1477 |
const char *)); |
const char *)) |
1478 |
{ |
{ |
1479 |
boolean ret; |
bfd_boolean ret; |
1480 |
|
|
1481 |
table->dynamic_sections_created = false; |
table->dynamic_sections_created = FALSE; |
1482 |
table->dynobj = NULL; |
table->dynobj = NULL; |
1483 |
table->init_refcount = get_elf_backend_data (abfd)->can_refcount - 1; |
/* Make sure can_refcount is extended to the width and signedness of |
1484 |
|
init_refcount before we subtract one from it. */ |
1485 |
|
table->init_refcount.refcount = get_elf_backend_data (abfd)->can_refcount; |
1486 |
|
table->init_refcount.refcount -= 1; |
1487 |
|
table->init_offset.offset = -(bfd_vma) 1; |
1488 |
/* The first dynamic symbol is a dummy. */ |
/* The first dynamic symbol is a dummy. */ |
1489 |
table->dynsymcount = 1; |
table->dynsymcount = 1; |
1490 |
table->dynstr = NULL; |
table->dynstr = NULL; |
1491 |
table->bucketcount = 0; |
table->bucketcount = 0; |
1492 |
table->needed = NULL; |
table->needed = NULL; |
|
table->runpath = NULL; |
|
|
table->loaded = NULL; |
|
1493 |
table->hgot = NULL; |
table->hgot = NULL; |
|
table->stab_info = NULL; |
|
1494 |
table->merge_info = NULL; |
table->merge_info = NULL; |
1495 |
|
memset (&table->stab_info, 0, sizeof (table->stab_info)); |
1496 |
|
memset (&table->eh_info, 0, sizeof (table->eh_info)); |
1497 |
table->dynlocal = NULL; |
table->dynlocal = NULL; |
1498 |
ret = _bfd_link_hash_table_init (& table->root, abfd, newfunc); |
table->runpath = NULL; |
1499 |
|
table->tls_sec = NULL; |
1500 |
|
table->tls_size = 0; |
1501 |
|
table->loaded = NULL; |
1502 |
|
table->is_relocatable_executable = FALSE; |
1503 |
|
|
1504 |
|
ret = _bfd_link_hash_table_init (&table->root, abfd, newfunc); |
1505 |
table->root.type = bfd_link_elf_hash_table; |
table->root.type = bfd_link_elf_hash_table; |
1506 |
|
|
1507 |
return ret; |
return ret; |
1510 |
/* Create an ELF linker hash table. */ |
/* Create an ELF linker hash table. */ |
1511 |
|
|
1512 |
struct bfd_link_hash_table * |
struct bfd_link_hash_table * |
1513 |
_bfd_elf_link_hash_table_create (abfd) |
_bfd_elf_link_hash_table_create (bfd *abfd) |
|
bfd *abfd; |
|
1514 |
{ |
{ |
1515 |
struct elf_link_hash_table *ret; |
struct elf_link_hash_table *ret; |
1516 |
bfd_size_type amt = sizeof (struct elf_link_hash_table); |
bfd_size_type amt = sizeof (struct elf_link_hash_table); |
1517 |
|
|
1518 |
ret = (struct elf_link_hash_table *) bfd_malloc (amt); |
ret = bfd_malloc (amt); |
1519 |
if (ret == (struct elf_link_hash_table *) NULL) |
if (ret == NULL) |
1520 |
return NULL; |
return NULL; |
1521 |
|
|
1522 |
if (! _bfd_elf_link_hash_table_init (ret, abfd, _bfd_elf_link_hash_newfunc)) |
if (! _bfd_elf_link_hash_table_init (ret, abfd, _bfd_elf_link_hash_newfunc)) |
1530 |
|
|
1531 |
/* This is a hook for the ELF emulation code in the generic linker to |
/* This is a hook for the ELF emulation code in the generic linker to |
1532 |
tell the backend linker what file name to use for the DT_NEEDED |
tell the backend linker what file name to use for the DT_NEEDED |
1533 |
entry for a dynamic object. The generic linker passes name as an |
entry for a dynamic object. */ |
|
empty string to indicate that no DT_NEEDED entry should be made. */ |
|
1534 |
|
|
1535 |
void |
void |
1536 |
bfd_elf_set_dt_needed_name (abfd, name) |
bfd_elf_set_dt_needed_name (bfd *abfd, const char *name) |
|
bfd *abfd; |
|
|
const char *name; |
|
1537 |
{ |
{ |
1538 |
if (bfd_get_flavour (abfd) == bfd_target_elf_flavour |
if (bfd_get_flavour (abfd) == bfd_target_elf_flavour |
1539 |
&& bfd_get_format (abfd) == bfd_object) |
&& bfd_get_format (abfd) == bfd_object) |
1540 |
elf_dt_name (abfd) = name; |
elf_dt_name (abfd) = name; |
1541 |
} |
} |
1542 |
|
|
1543 |
|
int |
1544 |
|
bfd_elf_get_dyn_lib_class (bfd *abfd) |
1545 |
|
{ |
1546 |
|
int lib_class; |
1547 |
|
if (bfd_get_flavour (abfd) == bfd_target_elf_flavour |
1548 |
|
&& bfd_get_format (abfd) == bfd_object) |
1549 |
|
lib_class = elf_dyn_lib_class (abfd); |
1550 |
|
else |
1551 |
|
lib_class = 0; |
1552 |
|
return lib_class; |
1553 |
|
} |
1554 |
|
|
1555 |
void |
void |
1556 |
bfd_elf_set_dt_needed_soname (abfd, name) |
bfd_elf_set_dyn_lib_class (bfd *abfd, int lib_class) |
|
bfd *abfd; |
|
|
const char *name; |
|
1557 |
{ |
{ |
1558 |
if (bfd_get_flavour (abfd) == bfd_target_elf_flavour |
if (bfd_get_flavour (abfd) == bfd_target_elf_flavour |
1559 |
&& bfd_get_format (abfd) == bfd_object) |
&& bfd_get_format (abfd) == bfd_object) |
1560 |
elf_dt_soname (abfd) = name; |
elf_dyn_lib_class (abfd) = lib_class; |
1561 |
} |
} |
1562 |
|
|
1563 |
/* Get the list of DT_NEEDED entries for a link. This is a hook for |
/* Get the list of DT_NEEDED entries for a link. This is a hook for |
1564 |
the linker ELF emulation code. */ |
the linker ELF emulation code. */ |
1565 |
|
|
1566 |
struct bfd_link_needed_list * |
struct bfd_link_needed_list * |
1567 |
bfd_elf_get_needed_list (abfd, info) |
bfd_elf_get_needed_list (bfd *abfd ATTRIBUTE_UNUSED, |
1568 |
bfd *abfd ATTRIBUTE_UNUSED; |
struct bfd_link_info *info) |
|
struct bfd_link_info *info; |
|
1569 |
{ |
{ |
1570 |
if (info->hash->creator->flavour != bfd_target_elf_flavour) |
if (! is_elf_hash_table (info->hash)) |
1571 |
return NULL; |
return NULL; |
1572 |
return elf_hash_table (info)->needed; |
return elf_hash_table (info)->needed; |
1573 |
} |
} |
1576 |
hook for the linker ELF emulation code. */ |
hook for the linker ELF emulation code. */ |
1577 |
|
|
1578 |
struct bfd_link_needed_list * |
struct bfd_link_needed_list * |
1579 |
bfd_elf_get_runpath_list (abfd, info) |
bfd_elf_get_runpath_list (bfd *abfd ATTRIBUTE_UNUSED, |
1580 |
bfd *abfd ATTRIBUTE_UNUSED; |
struct bfd_link_info *info) |
|
struct bfd_link_info *info; |
|
1581 |
{ |
{ |
1582 |
if (info->hash->creator->flavour != bfd_target_elf_flavour) |
if (! is_elf_hash_table (info->hash)) |
1583 |
return NULL; |
return NULL; |
1584 |
return elf_hash_table (info)->runpath; |
return elf_hash_table (info)->runpath; |
1585 |
} |
} |
1589 |
passed to bfd_elf_set_dt_needed_name, or it is the filename. */ |
passed to bfd_elf_set_dt_needed_name, or it is the filename. */ |
1590 |
|
|
1591 |
const char * |
const char * |
1592 |
bfd_elf_get_dt_soname (abfd) |
bfd_elf_get_dt_soname (bfd *abfd) |
|
bfd *abfd; |
|
1593 |
{ |
{ |
1594 |
if (bfd_get_flavour (abfd) == bfd_target_elf_flavour |
if (bfd_get_flavour (abfd) == bfd_target_elf_flavour |
1595 |
&& bfd_get_format (abfd) == bfd_object) |
&& bfd_get_format (abfd) == bfd_object) |
1600 |
/* Get the list of DT_NEEDED entries from a BFD. This is a hook for |
/* Get the list of DT_NEEDED entries from a BFD. This is a hook for |
1601 |
the ELF linker emulation code. */ |
the ELF linker emulation code. */ |
1602 |
|
|
1603 |
boolean |
bfd_boolean |
1604 |
bfd_elf_get_bfd_needed_list (abfd, pneeded) |
bfd_elf_get_bfd_needed_list (bfd *abfd, |
1605 |
bfd *abfd; |
struct bfd_link_needed_list **pneeded) |
|
struct bfd_link_needed_list **pneeded; |
|
1606 |
{ |
{ |
1607 |
asection *s; |
asection *s; |
1608 |
bfd_byte *dynbuf = NULL; |
bfd_byte *dynbuf = NULL; |
1610 |
unsigned long shlink; |
unsigned long shlink; |
1611 |
bfd_byte *extdyn, *extdynend; |
bfd_byte *extdyn, *extdynend; |
1612 |
size_t extdynsize; |
size_t extdynsize; |
1613 |
void (*swap_dyn_in) PARAMS ((bfd *, const PTR, Elf_Internal_Dyn *)); |
void (*swap_dyn_in) (bfd *, const void *, Elf_Internal_Dyn *); |
1614 |
|
|
1615 |
*pneeded = NULL; |
*pneeded = NULL; |
1616 |
|
|
1617 |
if (bfd_get_flavour (abfd) != bfd_target_elf_flavour |
if (bfd_get_flavour (abfd) != bfd_target_elf_flavour |
1618 |
|| bfd_get_format (abfd) != bfd_object) |
|| bfd_get_format (abfd) != bfd_object) |
1619 |
return true; |
return TRUE; |
1620 |
|
|
1621 |
s = bfd_get_section_by_name (abfd, ".dynamic"); |
s = bfd_get_section_by_name (abfd, ".dynamic"); |
1622 |
if (s == NULL || s->_raw_size == 0) |
if (s == NULL || s->size == 0) |
1623 |
return true; |
return TRUE; |
1624 |
|
|
1625 |
dynbuf = (bfd_byte *) bfd_malloc (s->_raw_size); |
if (!bfd_malloc_and_get_section (abfd, s, &dynbuf)) |
|
if (dynbuf == NULL) |
|
|
goto error_return; |
|
|
|
|
|
if (! bfd_get_section_contents (abfd, s, (PTR) dynbuf, (file_ptr) 0, |
|
|
s->_raw_size)) |
|
1626 |
goto error_return; |
goto error_return; |
1627 |
|
|
1628 |
elfsec = _bfd_elf_section_from_bfd_section (abfd, s); |
elfsec = _bfd_elf_section_from_bfd_section (abfd, s); |
1635 |
swap_dyn_in = get_elf_backend_data (abfd)->s->swap_dyn_in; |
swap_dyn_in = get_elf_backend_data (abfd)->s->swap_dyn_in; |
1636 |
|
|
1637 |
extdyn = dynbuf; |
extdyn = dynbuf; |
1638 |
extdynend = extdyn + s->_raw_size; |
extdynend = extdyn + s->size; |
1639 |
for (; extdyn < extdynend; extdyn += extdynsize) |
for (; extdyn < extdynend; extdyn += extdynsize) |
1640 |
{ |
{ |
1641 |
Elf_Internal_Dyn dyn; |
Elf_Internal_Dyn dyn; |
1642 |
|
|
1643 |
(*swap_dyn_in) (abfd, (PTR) extdyn, &dyn); |
(*swap_dyn_in) (abfd, extdyn, &dyn); |
1644 |
|
|
1645 |
if (dyn.d_tag == DT_NULL) |
if (dyn.d_tag == DT_NULL) |
1646 |
break; |
break; |
1657 |
goto error_return; |
goto error_return; |
1658 |
|
|
1659 |
amt = sizeof *l; |
amt = sizeof *l; |
1660 |
l = (struct bfd_link_needed_list *) bfd_alloc (abfd, amt); |
l = bfd_alloc (abfd, amt); |
1661 |
if (l == NULL) |
if (l == NULL) |
1662 |
goto error_return; |
goto error_return; |
1663 |
|
|
1670 |
|
|
1671 |
free (dynbuf); |
free (dynbuf); |
1672 |
|
|
1673 |
return true; |
return TRUE; |
1674 |
|
|
1675 |
error_return: |
error_return: |
1676 |
if (dynbuf != NULL) |
if (dynbuf != NULL) |
1677 |
free (dynbuf); |
free (dynbuf); |
1678 |
return false; |
return FALSE; |
1679 |
} |
} |
1680 |
|
|
1681 |
/* Allocate an ELF string table--force the first byte to be zero. */ |
/* Allocate an ELF string table--force the first byte to be zero. */ |
1682 |
|
|
1683 |
struct bfd_strtab_hash * |
struct bfd_strtab_hash * |
1684 |
_bfd_elf_stringtab_init () |
_bfd_elf_stringtab_init (void) |
1685 |
{ |
{ |
1686 |
struct bfd_strtab_hash *ret; |
struct bfd_strtab_hash *ret; |
1687 |
|
|
1690 |
{ |
{ |
1691 |
bfd_size_type loc; |
bfd_size_type loc; |
1692 |
|
|
1693 |
loc = _bfd_stringtab_add (ret, "", true, false); |
loc = _bfd_stringtab_add (ret, "", TRUE, FALSE); |
1694 |
BFD_ASSERT (loc == 0 || loc == (bfd_size_type) -1); |
BFD_ASSERT (loc == 0 || loc == (bfd_size_type) -1); |
1695 |
if (loc == (bfd_size_type) -1) |
if (loc == (bfd_size_type) -1) |
1696 |
{ |
{ |
1705 |
|
|
1706 |
/* Create a new bfd section from an ELF section header. */ |
/* Create a new bfd section from an ELF section header. */ |
1707 |
|
|
1708 |
boolean |
bfd_boolean |
1709 |
bfd_section_from_shdr (abfd, shindex) |
bfd_section_from_shdr (bfd *abfd, unsigned int shindex) |
|
bfd *abfd; |
|
|
unsigned int shindex; |
|
1710 |
{ |
{ |
1711 |
Elf_Internal_Shdr *hdr = elf_elfsections (abfd)[shindex]; |
Elf_Internal_Shdr *hdr = elf_elfsections (abfd)[shindex]; |
1712 |
Elf_Internal_Ehdr *ehdr = elf_elfheader (abfd); |
Elf_Internal_Ehdr *ehdr = elf_elfheader (abfd); |
1713 |
struct elf_backend_data *bed = get_elf_backend_data (abfd); |
const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
1714 |
const char *name; |
const char *name; |
1715 |
|
|
1716 |
name = elf_string_from_elf_strtab (abfd, hdr->sh_name); |
name = bfd_elf_string_from_elf_section (abfd, |
1717 |
|
elf_elfheader (abfd)->e_shstrndx, |
1718 |
|
hdr->sh_name); |
1719 |
|
|
1720 |
switch (hdr->sh_type) |
switch (hdr->sh_type) |
1721 |
{ |
{ |
1722 |
case SHT_NULL: |
case SHT_NULL: |
1723 |
/* Inactive section. Throw it away. */ |
/* Inactive section. Throw it away. */ |
1724 |
return true; |
return TRUE; |
1725 |
|
|
1726 |
case SHT_PROGBITS: /* Normal section with contents. */ |
case SHT_PROGBITS: /* Normal section with contents. */ |
1727 |
case SHT_NOBITS: /* .bss section. */ |
case SHT_NOBITS: /* .bss section. */ |
1730 |
case SHT_INIT_ARRAY: /* .init_array section. */ |
case SHT_INIT_ARRAY: /* .init_array section. */ |
1731 |
case SHT_FINI_ARRAY: /* .fini_array section. */ |
case SHT_FINI_ARRAY: /* .fini_array section. */ |
1732 |
case SHT_PREINIT_ARRAY: /* .preinit_array section. */ |
case SHT_PREINIT_ARRAY: /* .preinit_array section. */ |
1733 |
|
case SHT_GNU_LIBLIST: /* .gnu.liblist section. */ |
1734 |
return _bfd_elf_make_section_from_shdr (abfd, hdr, name); |
return _bfd_elf_make_section_from_shdr (abfd, hdr, name); |
1735 |
|
|
1736 |
case SHT_DYNAMIC: /* Dynamic linking information. */ |
case SHT_DYNAMIC: /* Dynamic linking information. */ |
1737 |
if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name)) |
if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name)) |
1738 |
return false; |
return FALSE; |
1739 |
|
if (hdr->sh_link > elf_numsections (abfd) |
1740 |
|
|| elf_elfsections (abfd)[hdr->sh_link] == NULL) |
1741 |
|
return FALSE; |
1742 |
if (elf_elfsections (abfd)[hdr->sh_link]->sh_type != SHT_STRTAB) |
if (elf_elfsections (abfd)[hdr->sh_link]->sh_type != SHT_STRTAB) |
1743 |
{ |
{ |
1744 |
Elf_Internal_Shdr *dynsymhdr; |
Elf_Internal_Shdr *dynsymhdr; |
1771 |
|
|
1772 |
case SHT_SYMTAB: /* A symbol table */ |
case SHT_SYMTAB: /* A symbol table */ |
1773 |
if (elf_onesymtab (abfd) == shindex) |
if (elf_onesymtab (abfd) == shindex) |
1774 |
return true; |
return TRUE; |
1775 |
|
|
1776 |
BFD_ASSERT (hdr->sh_entsize == bed->s->sizeof_sym); |
BFD_ASSERT (hdr->sh_entsize == bed->s->sizeof_sym); |
1777 |
BFD_ASSERT (elf_onesymtab (abfd) == 0); |
BFD_ASSERT (elf_onesymtab (abfd) == 0); |
1784 |
SHF_ALLOC is set, and this is a shared object, then we also |
SHF_ALLOC is set, and this is a shared object, then we also |
1785 |
treat this section as a BFD section. We can not base the |
treat this section as a BFD section. We can not base the |
1786 |
decision purely on SHF_ALLOC, because that flag is sometimes |
decision purely on SHF_ALLOC, because that flag is sometimes |
1787 |
set in a relocateable object file, which would confuse the |
set in a relocatable object file, which would confuse the |
1788 |
linker. */ |
linker. */ |
1789 |
if ((hdr->sh_flags & SHF_ALLOC) != 0 |
if ((hdr->sh_flags & SHF_ALLOC) != 0 |
1790 |
&& (abfd->flags & DYNAMIC) != 0 |
&& (abfd->flags & DYNAMIC) != 0 |
1791 |
&& ! _bfd_elf_make_section_from_shdr (abfd, hdr, name)) |
&& ! _bfd_elf_make_section_from_shdr (abfd, hdr, name)) |
1792 |
return false; |
return FALSE; |
1793 |
|
|
1794 |
return true; |
/* Go looking for SHT_SYMTAB_SHNDX too, since if there is one we |
1795 |
|
can't read symbols without that section loaded as well. It |
1796 |
|
is most likely specified by the next section header. */ |
1797 |
|
if (elf_elfsections (abfd)[elf_symtab_shndx (abfd)]->sh_link != shindex) |
1798 |
|
{ |
1799 |
|
unsigned int i, num_sec; |
1800 |
|
|
1801 |
|
num_sec = elf_numsections (abfd); |
1802 |
|
for (i = shindex + 1; i < num_sec; i++) |
1803 |
|
{ |
1804 |
|
Elf_Internal_Shdr *hdr2 = elf_elfsections (abfd)[i]; |
1805 |
|
if (hdr2->sh_type == SHT_SYMTAB_SHNDX |
1806 |
|
&& hdr2->sh_link == shindex) |
1807 |
|
break; |
1808 |
|
} |
1809 |
|
if (i == num_sec) |
1810 |
|
for (i = 1; i < shindex; i++) |
1811 |
|
{ |
1812 |
|
Elf_Internal_Shdr *hdr2 = elf_elfsections (abfd)[i]; |
1813 |
|
if (hdr2->sh_type == SHT_SYMTAB_SHNDX |
1814 |
|
&& hdr2->sh_link == shindex) |
1815 |
|
break; |
1816 |
|
} |
1817 |
|
if (i != shindex) |
1818 |
|
return bfd_section_from_shdr (abfd, i); |
1819 |
|
} |
1820 |
|
return TRUE; |
1821 |
|
|
1822 |
case SHT_DYNSYM: /* A dynamic symbol table */ |
case SHT_DYNSYM: /* A dynamic symbol table */ |
1823 |
if (elf_dynsymtab (abfd) == shindex) |
if (elf_dynsymtab (abfd) == shindex) |
1824 |
return true; |
return TRUE; |
1825 |
|
|
1826 |
BFD_ASSERT (hdr->sh_entsize == bed->s->sizeof_sym); |
BFD_ASSERT (hdr->sh_entsize == bed->s->sizeof_sym); |
1827 |
BFD_ASSERT (elf_dynsymtab (abfd) == 0); |
BFD_ASSERT (elf_dynsymtab (abfd) == 0); |
1836 |
|
|
1837 |
case SHT_SYMTAB_SHNDX: /* Symbol section indices when >64k sections */ |
case SHT_SYMTAB_SHNDX: /* Symbol section indices when >64k sections */ |
1838 |
if (elf_symtab_shndx (abfd) == shindex) |
if (elf_symtab_shndx (abfd) == shindex) |
1839 |
return true; |
return TRUE; |
|
|
|
|
/* Get the associated symbol table. */ |
|
|
if (! bfd_section_from_shdr (abfd, hdr->sh_link) |
|
|
|| hdr->sh_link != elf_onesymtab (abfd)) |
|
|
return false; |
|
1840 |
|
|
1841 |
|
BFD_ASSERT (elf_symtab_shndx (abfd) == 0); |
1842 |
elf_symtab_shndx (abfd) = shindex; |
elf_symtab_shndx (abfd) = shindex; |
1843 |
elf_tdata (abfd)->symtab_shndx_hdr = *hdr; |
elf_tdata (abfd)->symtab_shndx_hdr = *hdr; |
1844 |
elf_elfsections (abfd)[shindex] = &elf_tdata (abfd)->symtab_shndx_hdr; |
elf_elfsections (abfd)[shindex] = &elf_tdata (abfd)->symtab_shndx_hdr; |
1845 |
return true; |
return TRUE; |
1846 |
|
|
1847 |
case SHT_STRTAB: /* A string table */ |
case SHT_STRTAB: /* A string table */ |
1848 |
if (hdr->bfd_section != NULL) |
if (hdr->bfd_section != NULL) |
1849 |
return true; |
return TRUE; |
1850 |
if (ehdr->e_shstrndx == shindex) |
if (ehdr->e_shstrndx == shindex) |
1851 |
{ |
{ |
1852 |
elf_tdata (abfd)->shstrtab_hdr = *hdr; |
elf_tdata (abfd)->shstrtab_hdr = *hdr; |
1853 |
elf_elfsections (abfd)[shindex] = &elf_tdata (abfd)->shstrtab_hdr; |
elf_elfsections (abfd)[shindex] = &elf_tdata (abfd)->shstrtab_hdr; |
1854 |
return true; |
return TRUE; |
1855 |
|
} |
1856 |
|
if (elf_elfsections (abfd)[elf_onesymtab (abfd)]->sh_link == shindex) |
1857 |
|
{ |
1858 |
|
symtab_strtab: |
1859 |
|
elf_tdata (abfd)->strtab_hdr = *hdr; |
1860 |
|
elf_elfsections (abfd)[shindex] = &elf_tdata (abfd)->strtab_hdr; |
1861 |
|
return TRUE; |
1862 |
|
} |
1863 |
|
if (elf_elfsections (abfd)[elf_dynsymtab (abfd)]->sh_link == shindex) |
1864 |
|
{ |
1865 |
|
dynsymtab_strtab: |
1866 |
|
elf_tdata (abfd)->dynstrtab_hdr = *hdr; |
1867 |
|
hdr = &elf_tdata (abfd)->dynstrtab_hdr; |
1868 |
|
elf_elfsections (abfd)[shindex] = hdr; |
1869 |
|
/* We also treat this as a regular section, so that objcopy |
1870 |
|
can handle it. */ |
1871 |
|
return _bfd_elf_make_section_from_shdr (abfd, hdr, name); |
1872 |
} |
} |
|
{ |
|
|
unsigned int i, num_sec; |
|
1873 |
|
|
1874 |
num_sec = elf_numsections (abfd); |
/* If the string table isn't one of the above, then treat it as a |
1875 |
for (i = 1; i < num_sec; i++) |
regular section. We need to scan all the headers to be sure, |
1876 |
{ |
just in case this strtab section appeared before the above. */ |
1877 |
Elf_Internal_Shdr *hdr2 = elf_elfsections (abfd)[i]; |
if (elf_onesymtab (abfd) == 0 || elf_dynsymtab (abfd) == 0) |
1878 |
if (hdr2->sh_link == shindex) |
{ |
1879 |
{ |
unsigned int i, num_sec; |
|
if (! bfd_section_from_shdr (abfd, i)) |
|
|
return false; |
|
|
if (elf_onesymtab (abfd) == i) |
|
|
{ |
|
|
elf_tdata (abfd)->strtab_hdr = *hdr; |
|
|
elf_elfsections (abfd)[shindex] = |
|
|
&elf_tdata (abfd)->strtab_hdr; |
|
|
return true; |
|
|
} |
|
|
if (elf_dynsymtab (abfd) == i) |
|
|
{ |
|
|
elf_tdata (abfd)->dynstrtab_hdr = *hdr; |
|
|
elf_elfsections (abfd)[shindex] = hdr = |
|
|
&elf_tdata (abfd)->dynstrtab_hdr; |
|
|
/* We also treat this as a regular section, so |
|
|
that objcopy can handle it. */ |
|
|
break; |
|
|
} |
|
|
#if 0 /* Not handling other string tables specially right now. */ |
|
|
hdr2 = elf_elfsections (abfd)[i]; /* in case it moved */ |
|
|
/* We have a strtab for some random other section. */ |
|
|
newsect = (asection *) hdr2->bfd_section; |
|
|
if (!newsect) |
|
|
break; |
|
|
hdr->bfd_section = newsect; |
|
|
hdr2 = &elf_section_data (newsect)->str_hdr; |
|
|
*hdr2 = *hdr; |
|
|
elf_elfsections (abfd)[shindex] = hdr2; |
|
|
#endif |
|
|
} |
|
|
} |
|
|
} |
|
1880 |
|
|
1881 |
|
num_sec = elf_numsections (abfd); |
1882 |
|
for (i = 1; i < num_sec; i++) |
1883 |
|
{ |
1884 |
|
Elf_Internal_Shdr *hdr2 = elf_elfsections (abfd)[i]; |
1885 |
|
if (hdr2->sh_link == shindex) |
1886 |
|
{ |
1887 |
|
if (! bfd_section_from_shdr (abfd, i)) |
1888 |
|
return FALSE; |
1889 |
|
if (elf_onesymtab (abfd) == i) |
1890 |
|
goto symtab_strtab; |
1891 |
|
if (elf_dynsymtab (abfd) == i) |
1892 |
|
goto dynsymtab_strtab; |
1893 |
|
} |
1894 |
|
} |
1895 |
|
} |
1896 |
return _bfd_elf_make_section_from_shdr (abfd, hdr, name); |
return _bfd_elf_make_section_from_shdr (abfd, hdr, name); |
1897 |
|
|
1898 |
case SHT_REL: |
case SHT_REL: |
1908 |
|| hdr->sh_link >= num_sec) |
|| hdr->sh_link >= num_sec) |
1909 |
{ |
{ |
1910 |
((*_bfd_error_handler) |
((*_bfd_error_handler) |
1911 |
(_("%s: invalid link %lu for reloc section %s (index %u)"), |
(_("%B: invalid link %lu for reloc section %s (index %u)"), |
1912 |
bfd_archive_filename (abfd), hdr->sh_link, name, shindex)); |
abfd, hdr->sh_link, name, shindex)); |
1913 |
return _bfd_elf_make_section_from_shdr (abfd, hdr, name); |
return _bfd_elf_make_section_from_shdr (abfd, hdr, name); |
1914 |
} |
} |
1915 |
|
|
1945 |
} |
} |
1946 |
|
|
1947 |
/* Get the symbol table. */ |
/* Get the symbol table. */ |
1948 |
if (elf_elfsections (abfd)[hdr->sh_link]->sh_type == SHT_SYMTAB |
if ((elf_elfsections (abfd)[hdr->sh_link]->sh_type == SHT_SYMTAB |
1949 |
|
|| elf_elfsections (abfd)[hdr->sh_link]->sh_type == SHT_DYNSYM) |
1950 |
&& ! bfd_section_from_shdr (abfd, hdr->sh_link)) |
&& ! bfd_section_from_shdr (abfd, hdr->sh_link)) |
1951 |
return false; |
return FALSE; |
1952 |
|
|
1953 |
/* If this reloc section does not use the main symbol table we |
/* If this reloc section does not use the main symbol table we |
1954 |
don't treat it as a reloc section. BFD can't adequately |
don't treat it as a reloc section. BFD can't adequately |
1960 |
return _bfd_elf_make_section_from_shdr (abfd, hdr, name); |
return _bfd_elf_make_section_from_shdr (abfd, hdr, name); |
1961 |
|
|
1962 |
if (! bfd_section_from_shdr (abfd, hdr->sh_info)) |
if (! bfd_section_from_shdr (abfd, hdr->sh_info)) |
1963 |
return false; |
return FALSE; |
1964 |
target_sect = bfd_section_from_elf_index (abfd, hdr->sh_info); |
target_sect = bfd_section_from_elf_index (abfd, hdr->sh_info); |
1965 |
if (target_sect == NULL) |
if (target_sect == NULL) |
1966 |
return false; |
return FALSE; |
1967 |
|
|
1968 |
if ((target_sect->flags & SEC_RELOC) == 0 |
if ((target_sect->flags & SEC_RELOC) == 0 |
1969 |
|| target_sect->reloc_count == 0) |
|| target_sect->reloc_count == 0) |
1973 |
bfd_size_type amt; |
bfd_size_type amt; |
1974 |
BFD_ASSERT (elf_section_data (target_sect)->rel_hdr2 == NULL); |
BFD_ASSERT (elf_section_data (target_sect)->rel_hdr2 == NULL); |
1975 |
amt = sizeof (*hdr2); |
amt = sizeof (*hdr2); |
1976 |
hdr2 = (Elf_Internal_Shdr *) bfd_alloc (abfd, amt); |
hdr2 = bfd_alloc (abfd, amt); |
1977 |
elf_section_data (target_sect)->rel_hdr2 = hdr2; |
elf_section_data (target_sect)->rel_hdr2 = hdr2; |
1978 |
} |
} |
1979 |
*hdr2 = *hdr; |
*hdr2 = *hdr; |
1985 |
/* In the section to which the relocations apply, mark whether |
/* In the section to which the relocations apply, mark whether |
1986 |
its relocations are of the REL or RELA variety. */ |
its relocations are of the REL or RELA variety. */ |
1987 |
if (hdr->sh_size != 0) |
if (hdr->sh_size != 0) |
1988 |
elf_section_data (target_sect)->use_rela_p |
target_sect->use_rela_p = hdr->sh_type == SHT_RELA; |
|
= (hdr->sh_type == SHT_RELA); |
|
1989 |
abfd->flags |= HAS_RELOC; |
abfd->flags |= HAS_RELOC; |
1990 |
return true; |
return TRUE; |
1991 |
} |
} |
1992 |
break; |
break; |
1993 |
|
|
2010 |
break; |
break; |
2011 |
|
|
2012 |
case SHT_SHLIB: |
case SHT_SHLIB: |
2013 |
return true; |
return TRUE; |
2014 |
|
|
2015 |
case SHT_GROUP: |
case SHT_GROUP: |
2016 |
/* We need a BFD section for objcopy and relocatable linking, |
/* We need a BFD section for objcopy and relocatable linking, |
2018 |
name. */ |
name. */ |
2019 |
name = group_signature (abfd, hdr); |
name = group_signature (abfd, hdr); |
2020 |
if (name == NULL) |
if (name == NULL) |
2021 |
return false; |
return FALSE; |
2022 |
if (!_bfd_elf_make_section_from_shdr (abfd, hdr, name)) |
if (!_bfd_elf_make_section_from_shdr (abfd, hdr, name)) |
2023 |
return false; |
return FALSE; |
2024 |
if (hdr->contents != NULL) |
if (hdr->contents != NULL) |
2025 |
{ |
{ |
2026 |
Elf_Internal_Group *idx = (Elf_Internal_Group *) hdr->contents; |
Elf_Internal_Group *idx = (Elf_Internal_Group *) hdr->contents; |
2031 |
hdr->bfd_section->flags |
hdr->bfd_section->flags |
2032 |
|= SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD; |
|= SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD; |
2033 |
|
|
2034 |
|
/* We try to keep the same section order as it comes in. */ |
2035 |
|
idx += n_elt; |
2036 |
while (--n_elt != 0) |
while (--n_elt != 0) |
2037 |
if ((s = (++idx)->shdr->bfd_section) != NULL |
if ((s = (--idx)->shdr->bfd_section) != NULL |
2038 |
&& elf_next_in_group (s) != NULL) |
&& elf_next_in_group (s) != NULL) |
2039 |
{ |
{ |
2040 |
elf_next_in_group (hdr->bfd_section) = s; |
elf_next_in_group (hdr->bfd_section) = s; |
2045 |
|
|
2046 |
default: |
default: |
2047 |
/* Check for any processor-specific section types. */ |
/* Check for any processor-specific section types. */ |
2048 |
{ |
return bed->elf_backend_section_from_shdr (abfd, hdr, name); |
|
if (bed->elf_backend_section_from_shdr) |
|
|
(*bed->elf_backend_section_from_shdr) (abfd, hdr, name); |
|
|
} |
|
|
break; |
|
2049 |
} |
} |
2050 |
|
|
2051 |
return true; |
return TRUE; |
2052 |
} |
} |
2053 |
|
|
2054 |
/* Return the section for the local symbol specified by ABFD, R_SYMNDX. |
/* Return the section for the local symbol specified by ABFD, R_SYMNDX. |
2055 |
Return SEC for sections that have no elf section, and NULL on error. */ |
Return SEC for sections that have no elf section, and NULL on error. */ |
2056 |
|
|
2057 |
asection * |
asection * |
2058 |
bfd_section_from_r_symndx (abfd, cache, sec, r_symndx) |
bfd_section_from_r_symndx (bfd *abfd, |
2059 |
bfd *abfd; |
struct sym_sec_cache *cache, |
2060 |
struct sym_sec_cache *cache; |
asection *sec, |
2061 |
asection *sec; |
unsigned long r_symndx) |
|
unsigned long r_symndx; |
|
2062 |
{ |
{ |
2063 |
Elf_Internal_Shdr *symtab_hdr; |
Elf_Internal_Shdr *symtab_hdr; |
2064 |
unsigned char esym[sizeof (Elf64_External_Sym)]; |
unsigned char esym[sizeof (Elf64_External_Sym)]; |
2081 |
} |
} |
2082 |
cache->indx[ent] = r_symndx; |
cache->indx[ent] = r_symndx; |
2083 |
cache->sec[ent] = sec; |
cache->sec[ent] = sec; |
2084 |
if (isym.st_shndx < SHN_LORESERVE || isym.st_shndx > SHN_HIRESERVE) |
if ((isym.st_shndx != SHN_UNDEF && isym.st_shndx < SHN_LORESERVE) |
2085 |
|
|| isym.st_shndx > SHN_HIRESERVE) |
2086 |
{ |
{ |
2087 |
asection *s; |
asection *s; |
2088 |
s = bfd_section_from_elf_index (abfd, isym.st_shndx); |
s = bfd_section_from_elf_index (abfd, isym.st_shndx); |
2096 |
section. */ |
section. */ |
2097 |
|
|
2098 |
asection * |
asection * |
2099 |
bfd_section_from_elf_index (abfd, index) |
bfd_section_from_elf_index (bfd *abfd, unsigned int index) |
|
bfd *abfd; |
|
|
unsigned int index; |
|
2100 |
{ |
{ |
2101 |
if (index >= elf_numsections (abfd)) |
if (index >= elf_numsections (abfd)) |
2102 |
return NULL; |
return NULL; |
2103 |
return elf_elfsections (abfd)[index]->bfd_section; |
return elf_elfsections (abfd)[index]->bfd_section; |
2104 |
} |
} |
2105 |
|
|
2106 |
boolean |
static struct bfd_elf_special_section const special_sections[] = |
2107 |
_bfd_elf_new_section_hook (abfd, sec) |
{ |
2108 |
bfd *abfd; |
{ ".bss", 4, -2, SHT_NOBITS, SHF_ALLOC + SHF_WRITE }, |
2109 |
asection *sec; |
{ ".gnu.linkonce.b",15, -2, SHT_NOBITS, SHF_ALLOC + SHF_WRITE }, |
2110 |
|
{ ".comment", 8, 0, SHT_PROGBITS, 0 }, |
2111 |
|
{ ".data", 5, -2, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, |
2112 |
|
{ ".data1", 6, 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, |
2113 |
|
{ ".debug", 6, 0, SHT_PROGBITS, 0 }, |
2114 |
|
{ ".fini", 5, 0, SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR }, |
2115 |
|
{ ".init", 5, 0, SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR }, |
2116 |
|
{ ".line", 5, 0, SHT_PROGBITS, 0 }, |
2117 |
|
{ ".rodata", 7, -2, SHT_PROGBITS, SHF_ALLOC }, |
2118 |
|
{ ".rodata1", 8, 0, SHT_PROGBITS, SHF_ALLOC }, |
2119 |
|
{ ".tbss", 5, -2, SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_TLS }, |
2120 |
|
{ ".tdata", 6, -2, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_TLS }, |
2121 |
|
{ ".text", 5, -2, SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR }, |
2122 |
|
{ ".init_array", 11, 0, SHT_INIT_ARRAY, SHF_ALLOC + SHF_WRITE }, |
2123 |
|
{ ".fini_array", 11, 0, SHT_FINI_ARRAY, SHF_ALLOC + SHF_WRITE }, |
2124 |
|
{ ".preinit_array", 14, 0, SHT_PREINIT_ARRAY, SHF_ALLOC + SHF_WRITE }, |
2125 |
|
{ ".debug_line", 11, 0, SHT_PROGBITS, 0 }, |
2126 |
|
{ ".debug_info", 11, 0, SHT_PROGBITS, 0 }, |
2127 |
|
{ ".debug_abbrev", 13, 0, SHT_PROGBITS, 0 }, |
2128 |
|
{ ".debug_aranges", 14, 0, SHT_PROGBITS, 0 }, |
2129 |
|
{ ".dynamic", 8, 0, SHT_DYNAMIC, SHF_ALLOC }, |
2130 |
|
{ ".dynstr", 7, 0, SHT_STRTAB, SHF_ALLOC }, |
2131 |
|
{ ".dynsym", 7, 0, SHT_DYNSYM, SHF_ALLOC }, |
2132 |
|
{ ".got", 4, 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, |
2133 |
|
{ ".hash", 5, 0, SHT_HASH, SHF_ALLOC }, |
2134 |
|
{ ".interp", 7, 0, SHT_PROGBITS, 0 }, |
2135 |
|
{ ".plt", 4, 0, SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR }, |
2136 |
|
{ ".shstrtab", 9, 0, SHT_STRTAB, 0 }, |
2137 |
|
{ ".strtab", 7, 0, SHT_STRTAB, 0 }, |
2138 |
|
{ ".symtab", 7, 0, SHT_SYMTAB, 0 }, |
2139 |
|
{ ".gnu.version", 12, 0, SHT_GNU_versym, 0 }, |
2140 |
|
{ ".gnu.version_d", 14, 0, SHT_GNU_verdef, 0 }, |
2141 |
|
{ ".gnu.version_r", 14, 0, SHT_GNU_verneed, 0 }, |
2142 |
|
{ ".note.GNU-stack",15, 0, SHT_PROGBITS, 0 }, |
2143 |
|
{ ".note", 5, -1, SHT_NOTE, 0 }, |
2144 |
|
{ ".rela", 5, -1, SHT_RELA, 0 }, |
2145 |
|
{ ".rel", 4, -1, SHT_REL, 0 }, |
2146 |
|
{ ".stabstr", 5, 3, SHT_STRTAB, 0 }, |
2147 |
|
{ ".gnu.liblist", 12, 0, SHT_GNU_LIBLIST, SHF_ALLOC }, |
2148 |
|
{ ".gnu.conflict", 13, 0, SHT_RELA, SHF_ALLOC }, |
2149 |
|
{ NULL, 0, 0, 0, 0 } |
2150 |
|
}; |
2151 |
|
|
2152 |
|
static const struct bfd_elf_special_section * |
2153 |
|
get_special_section (const char *name, |
2154 |
|
const struct bfd_elf_special_section *special_sections, |
2155 |
|
unsigned int rela) |
2156 |
|
{ |
2157 |
|
int i; |
2158 |
|
int len = strlen (name); |
2159 |
|
|
2160 |
|
for (i = 0; special_sections[i].prefix != NULL; i++) |
2161 |
|
{ |
2162 |
|
int suffix_len; |
2163 |
|
int prefix_len = special_sections[i].prefix_length; |
2164 |
|
|
2165 |
|
if (len < prefix_len) |
2166 |
|
continue; |
2167 |
|
if (memcmp (name, special_sections[i].prefix, prefix_len) != 0) |
2168 |
|
continue; |
2169 |
|
|
2170 |
|
suffix_len = special_sections[i].suffix_length; |
2171 |
|
if (suffix_len <= 0) |
2172 |
|
{ |
2173 |
|
if (name[prefix_len] != 0) |
2174 |
|
{ |
2175 |
|
if (suffix_len == 0) |
2176 |
|
continue; |
2177 |
|
if (name[prefix_len] != '.' |
2178 |
|
&& (suffix_len == -2 |
2179 |
|
|| (rela && special_sections[i].type == SHT_REL))) |
2180 |
|
continue; |
2181 |
|
} |
2182 |
|
} |
2183 |
|
else |
2184 |
|
{ |
2185 |
|
if (len < prefix_len + suffix_len) |
2186 |
|
continue; |
2187 |
|
if (memcmp (name + len - suffix_len, |
2188 |
|
special_sections[i].prefix + prefix_len, |
2189 |
|
suffix_len) != 0) |
2190 |
|
continue; |
2191 |
|
} |
2192 |
|
return &special_sections[i]; |
2193 |
|
} |
2194 |
|
|
2195 |
|
return NULL; |
2196 |
|
} |
2197 |
|
|
2198 |
|
const struct bfd_elf_special_section * |
2199 |
|
_bfd_elf_get_sec_type_attr (bfd *abfd, const char *name) |
2200 |
|
{ |
2201 |
|
const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
2202 |
|
const struct bfd_elf_special_section *ssect = NULL; |
2203 |
|
|
2204 |
|
/* See if this is one of the special sections. */ |
2205 |
|
if (name) |
2206 |
|
{ |
2207 |
|
unsigned int rela = bed->default_use_rela_p; |
2208 |
|
|
2209 |
|
if (bed->special_sections) |
2210 |
|
ssect = get_special_section (name, bed->special_sections, rela); |
2211 |
|
|
2212 |
|
if (! ssect) |
2213 |
|
ssect = get_special_section (name, special_sections, rela); |
2214 |
|
} |
2215 |
|
|
2216 |
|
return ssect; |
2217 |
|
} |
2218 |
|
|
2219 |
|
bfd_boolean |
2220 |
|
_bfd_elf_new_section_hook (bfd *abfd, asection *sec) |
2221 |
{ |
{ |
2222 |
struct bfd_elf_section_data *sdata; |
struct bfd_elf_section_data *sdata; |
2223 |
bfd_size_type amt = sizeof (*sdata); |
const struct bfd_elf_special_section *ssect; |
2224 |
|
|
2225 |
sdata = (struct bfd_elf_section_data *) bfd_zalloc (abfd, amt); |
sdata = (struct bfd_elf_section_data *) sec->used_by_bfd; |
2226 |
if (!sdata) |
if (sdata == NULL) |
2227 |
return false; |
{ |
2228 |
sec->used_by_bfd = (PTR) sdata; |
sdata = bfd_zalloc (abfd, sizeof (*sdata)); |
2229 |
|
if (sdata == NULL) |
2230 |
|
return FALSE; |
2231 |
|
sec->used_by_bfd = sdata; |
2232 |
|
} |
2233 |
|
|
2234 |
|
elf_section_type (sec) = SHT_NULL; |
2235 |
|
ssect = _bfd_elf_get_sec_type_attr (abfd, sec->name); |
2236 |
|
if (ssect != NULL) |
2237 |
|
{ |
2238 |
|
elf_section_type (sec) = ssect->type; |
2239 |
|
elf_section_flags (sec) = ssect->attr; |
2240 |
|
} |
2241 |
|
|
2242 |
/* Indicate whether or not this section should use RELA relocations. */ |
/* Indicate whether or not this section should use RELA relocations. */ |
2243 |
sdata->use_rela_p |
sec->use_rela_p = get_elf_backend_data (abfd)->default_use_rela_p; |
|
= get_elf_backend_data (abfd)->default_use_rela_p; |
|
2244 |
|
|
2245 |
return true; |
return TRUE; |
2246 |
} |
} |
2247 |
|
|
2248 |
/* Create a new bfd section from an ELF program header. |
/* Create a new bfd section from an ELF program header. |
2267 |
|
|
2268 |
*/ |
*/ |
2269 |
|
|
2270 |
boolean |
bfd_boolean |
2271 |
_bfd_elf_make_section_from_phdr (abfd, hdr, index, typename) |
_bfd_elf_make_section_from_phdr (bfd *abfd, |
2272 |
bfd *abfd; |
Elf_Internal_Phdr *hdr, |
2273 |
Elf_Internal_Phdr *hdr; |
int index, |
2274 |
int index; |
const char *typename) |
|
const char *typename; |
|
2275 |
{ |
{ |
2276 |
asection *newsect; |
asection *newsect; |
2277 |
char *name; |
char *name; |
2284 |
&& (hdr->p_memsz > hdr->p_filesz)); |
&& (hdr->p_memsz > hdr->p_filesz)); |
2285 |
sprintf (namebuf, "%s%d%s", typename, index, split ? "a" : ""); |
sprintf (namebuf, "%s%d%s", typename, index, split ? "a" : ""); |
2286 |
len = strlen (namebuf) + 1; |
len = strlen (namebuf) + 1; |
2287 |
name = bfd_alloc (abfd, (bfd_size_type) len); |
name = bfd_alloc (abfd, len); |
2288 |
if (!name) |
if (!name) |
2289 |
return false; |
return FALSE; |
2290 |
memcpy (name, namebuf, len); |
memcpy (name, namebuf, len); |
2291 |
newsect = bfd_make_section (abfd, name); |
newsect = bfd_make_section (abfd, name); |
2292 |
if (newsect == NULL) |
if (newsect == NULL) |
2293 |
return false; |
return FALSE; |
2294 |
newsect->vma = hdr->p_vaddr; |
newsect->vma = hdr->p_vaddr; |
2295 |
newsect->lma = hdr->p_paddr; |
newsect->lma = hdr->p_paddr; |
2296 |
newsect->_raw_size = hdr->p_filesz; |
newsect->size = hdr->p_filesz; |
2297 |
newsect->filepos = hdr->p_offset; |
newsect->filepos = hdr->p_offset; |
2298 |
newsect->flags |= SEC_HAS_CONTENTS; |
newsect->flags |= SEC_HAS_CONTENTS; |
2299 |
|
newsect->alignment_power = bfd_log2 (hdr->p_align); |
2300 |
if (hdr->p_type == PT_LOAD) |
if (hdr->p_type == PT_LOAD) |
2301 |
{ |
{ |
2302 |
newsect->flags |= SEC_ALLOC; |
newsect->flags |= SEC_ALLOC; |
2317 |
{ |
{ |
2318 |
sprintf (namebuf, "%s%db", typename, index); |
sprintf (namebuf, "%s%db", typename, index); |
2319 |
len = strlen (namebuf) + 1; |
len = strlen (namebuf) + 1; |
2320 |
name = bfd_alloc (abfd, (bfd_size_type) len); |
name = bfd_alloc (abfd, len); |
2321 |
if (!name) |
if (!name) |
2322 |
return false; |
return FALSE; |
2323 |
memcpy (name, namebuf, len); |
memcpy (name, namebuf, len); |
2324 |
newsect = bfd_make_section (abfd, name); |
newsect = bfd_make_section (abfd, name); |
2325 |
if (newsect == NULL) |
if (newsect == NULL) |
2326 |
return false; |
return FALSE; |
2327 |
newsect->vma = hdr->p_vaddr + hdr->p_filesz; |
newsect->vma = hdr->p_vaddr + hdr->p_filesz; |
2328 |
newsect->lma = hdr->p_paddr + hdr->p_filesz; |
newsect->lma = hdr->p_paddr + hdr->p_filesz; |
2329 |
newsect->_raw_size = hdr->p_memsz - hdr->p_filesz; |
newsect->size = hdr->p_memsz - hdr->p_filesz; |
2330 |
if (hdr->p_type == PT_LOAD) |
if (hdr->p_type == PT_LOAD) |
2331 |
{ |
{ |
2332 |
newsect->flags |= SEC_ALLOC; |
newsect->flags |= SEC_ALLOC; |
2337 |
newsect->flags |= SEC_READONLY; |
newsect->flags |= SEC_READONLY; |
2338 |
} |
} |
2339 |
|
|
2340 |
return true; |
return TRUE; |
2341 |
} |
} |
2342 |
|
|
2343 |
boolean |
bfd_boolean |
2344 |
bfd_section_from_phdr (abfd, hdr, index) |
bfd_section_from_phdr (bfd *abfd, Elf_Internal_Phdr *hdr, int index) |
|
bfd *abfd; |
|
|
Elf_Internal_Phdr *hdr; |
|
|
int index; |
|
2345 |
{ |
{ |
2346 |
struct elf_backend_data *bed; |
const struct elf_backend_data *bed; |
2347 |
|
|
2348 |
switch (hdr->p_type) |
switch (hdr->p_type) |
2349 |
{ |
{ |
2361 |
|
|
2362 |
case PT_NOTE: |
case PT_NOTE: |
2363 |
if (! _bfd_elf_make_section_from_phdr (abfd, hdr, index, "note")) |
if (! _bfd_elf_make_section_from_phdr (abfd, hdr, index, "note")) |
2364 |
return false; |
return FALSE; |
2365 |
if (! elfcore_read_notes (abfd, (file_ptr) hdr->p_offset, hdr->p_filesz)) |
if (! elfcore_read_notes (abfd, hdr->p_offset, hdr->p_filesz)) |
2366 |
return false; |
return FALSE; |
2367 |
return true; |
return TRUE; |
2368 |
|
|
2369 |
case PT_SHLIB: |
case PT_SHLIB: |
2370 |
return _bfd_elf_make_section_from_phdr (abfd, hdr, index, "shlib"); |
return _bfd_elf_make_section_from_phdr (abfd, hdr, index, "shlib"); |
2372 |
case PT_PHDR: |
case PT_PHDR: |
2373 |
return _bfd_elf_make_section_from_phdr (abfd, hdr, index, "phdr"); |
return _bfd_elf_make_section_from_phdr (abfd, hdr, index, "phdr"); |
2374 |
|
|
2375 |
|
case PT_GNU_EH_FRAME: |
2376 |
|
return _bfd_elf_make_section_from_phdr (abfd, hdr, index, |
2377 |
|
"eh_frame_hdr"); |
2378 |
|
|
2379 |
|
case PT_GNU_STACK: |
2380 |
|
return _bfd_elf_make_section_from_phdr (abfd, hdr, index, "stack"); |
2381 |
|
|
2382 |
|
case PT_GNU_RELRO: |
2383 |
|
return _bfd_elf_make_section_from_phdr (abfd, hdr, index, "relro"); |
2384 |
|
|
2385 |
default: |
default: |
2386 |
/* Check for any processor-specific program segment types. |
/* Check for any processor-specific program segment types. */ |
|
If no handler for them, default to making "segment" sections. */ |
|
2387 |
bed = get_elf_backend_data (abfd); |
bed = get_elf_backend_data (abfd); |
2388 |
if (bed->elf_backend_section_from_phdr) |
return bed->elf_backend_section_from_phdr (abfd, hdr, index, "proc"); |
|
return (*bed->elf_backend_section_from_phdr) (abfd, hdr, index); |
|
|
else |
|
|
return _bfd_elf_make_section_from_phdr (abfd, hdr, index, "segment"); |
|
2389 |
} |
} |
2390 |
} |
} |
2391 |
|
|
2392 |
/* Initialize REL_HDR, the section-header for new section, containing |
/* Initialize REL_HDR, the section-header for new section, containing |
2393 |
relocations against ASECT. If USE_RELA_P is true, we use RELA |
relocations against ASECT. If USE_RELA_P is TRUE, we use RELA |
2394 |
relocations; otherwise, we use REL relocations. */ |
relocations; otherwise, we use REL relocations. */ |
2395 |
|
|
2396 |
boolean |
bfd_boolean |
2397 |
_bfd_elf_init_reloc_shdr (abfd, rel_hdr, asect, use_rela_p) |
_bfd_elf_init_reloc_shdr (bfd *abfd, |
2398 |
bfd *abfd; |
Elf_Internal_Shdr *rel_hdr, |
2399 |
Elf_Internal_Shdr *rel_hdr; |
asection *asect, |
2400 |
asection *asect; |
bfd_boolean use_rela_p) |
|
boolean use_rela_p; |
|
2401 |
{ |
{ |
2402 |
char *name; |
char *name; |
2403 |
struct elf_backend_data *bed = get_elf_backend_data (abfd); |
const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
2404 |
bfd_size_type amt = sizeof ".rela" + strlen (asect->name); |
bfd_size_type amt = sizeof ".rela" + strlen (asect->name); |
2405 |
|
|
2406 |
name = bfd_alloc (abfd, amt); |
name = bfd_alloc (abfd, amt); |
2407 |
if (name == NULL) |
if (name == NULL) |
2408 |
return false; |
return FALSE; |
2409 |
sprintf (name, "%s%s", use_rela_p ? ".rela" : ".rel", asect->name); |
sprintf (name, "%s%s", use_rela_p ? ".rela" : ".rel", asect->name); |
2410 |
rel_hdr->sh_name = |
rel_hdr->sh_name = |
2411 |
(unsigned int) _bfd_elf_strtab_add (elf_shstrtab (abfd), name, |
(unsigned int) _bfd_elf_strtab_add (elf_shstrtab (abfd), name, |
2412 |
false); |
FALSE); |
2413 |
if (rel_hdr->sh_name == (unsigned int) -1) |
if (rel_hdr->sh_name == (unsigned int) -1) |
2414 |
return false; |
return FALSE; |
2415 |
rel_hdr->sh_type = use_rela_p ? SHT_RELA : SHT_REL; |
rel_hdr->sh_type = use_rela_p ? SHT_RELA : SHT_REL; |
2416 |
rel_hdr->sh_entsize = (use_rela_p |
rel_hdr->sh_entsize = (use_rela_p |
2417 |
? bed->s->sizeof_rela |
? bed->s->sizeof_rela |
2418 |
: bed->s->sizeof_rel); |
: bed->s->sizeof_rel); |
2419 |
rel_hdr->sh_addralign = bed->s->file_align; |
rel_hdr->sh_addralign = 1 << bed->s->log_file_align; |
2420 |
rel_hdr->sh_flags = 0; |
rel_hdr->sh_flags = 0; |
2421 |
rel_hdr->sh_addr = 0; |
rel_hdr->sh_addr = 0; |
2422 |
rel_hdr->sh_size = 0; |
rel_hdr->sh_size = 0; |
2423 |
rel_hdr->sh_offset = 0; |
rel_hdr->sh_offset = 0; |
2424 |
|
|
2425 |
return true; |
return TRUE; |
2426 |
} |
} |
2427 |
|
|
2428 |
/* Set up an ELF internal section header for a section. */ |
/* Set up an ELF internal section header for a section. */ |
2429 |
|
|
2430 |
static void |
static void |
2431 |
elf_fake_sections (abfd, asect, failedptrarg) |
elf_fake_sections (bfd *abfd, asection *asect, void *failedptrarg) |
|
bfd *abfd; |
|
|
asection *asect; |
|
|
PTR failedptrarg; |
|
2432 |
{ |
{ |
2433 |
struct elf_backend_data *bed = get_elf_backend_data (abfd); |
const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
2434 |
boolean *failedptr = (boolean *) failedptrarg; |
bfd_boolean *failedptr = failedptrarg; |
2435 |
Elf_Internal_Shdr *this_hdr; |
Elf_Internal_Shdr *this_hdr; |
2436 |
|
|
2437 |
if (*failedptr) |
if (*failedptr) |
2443 |
|
|
2444 |
this_hdr = &elf_section_data (asect)->this_hdr; |
this_hdr = &elf_section_data (asect)->this_hdr; |
2445 |
|
|
2446 |
this_hdr->sh_name = (unsigned long) _bfd_elf_strtab_add (elf_shstrtab (abfd), |
this_hdr->sh_name = (unsigned int) _bfd_elf_strtab_add (elf_shstrtab (abfd), |
2447 |
asect->name, false); |
asect->name, FALSE); |
2448 |
if (this_hdr->sh_name == (unsigned long) -1) |
if (this_hdr->sh_name == (unsigned int) -1) |
2449 |
{ |
{ |
2450 |
*failedptr = true; |
*failedptr = TRUE; |
2451 |
return; |
return; |
2452 |
} |
} |
2453 |
|
|
2460 |
this_hdr->sh_addr = 0; |
this_hdr->sh_addr = 0; |
2461 |
|
|
2462 |
this_hdr->sh_offset = 0; |
this_hdr->sh_offset = 0; |
2463 |
this_hdr->sh_size = asect->_raw_size; |
this_hdr->sh_size = asect->size; |
2464 |
this_hdr->sh_link = 0; |
this_hdr->sh_link = 0; |
2465 |
this_hdr->sh_addralign = 1 << asect->alignment_power; |
this_hdr->sh_addralign = 1 << asect->alignment_power; |
2466 |
/* The sh_entsize and sh_info fields may have been set already by |
/* The sh_entsize and sh_info fields may have been set already by |
2469 |
this_hdr->bfd_section = asect; |
this_hdr->bfd_section = asect; |
2470 |
this_hdr->contents = NULL; |
this_hdr->contents = NULL; |
2471 |
|
|
2472 |
/* FIXME: This should not be based on section names. */ |
/* If the section type is unspecified, we set it based on |
2473 |
if (strcmp (asect->name, ".dynstr") == 0) |
asect->flags. */ |
2474 |
this_hdr->sh_type = SHT_STRTAB; |
if (this_hdr->sh_type == SHT_NULL) |
2475 |
else if (strcmp (asect->name, ".hash") == 0) |
{ |
2476 |
{ |
if ((asect->flags & SEC_GROUP) != 0) |
2477 |
this_hdr->sh_type = SHT_HASH; |
{ |
2478 |
this_hdr->sh_entsize = bed->s->sizeof_hash_entry; |
/* We also need to mark SHF_GROUP here for relocatable |
2479 |
|
link. */ |
2480 |
|
struct bfd_link_order *l; |
2481 |
|
asection *elt; |
2482 |
|
|
2483 |
|
for (l = asect->link_order_head; l != NULL; l = l->next) |
2484 |
|
if (l->type == bfd_indirect_link_order |
2485 |
|
&& (elt = elf_next_in_group (l->u.indirect.section)) != NULL) |
2486 |
|
do |
2487 |
|
{ |
2488 |
|
/* The name is not important. Anything will do. */ |
2489 |
|
elf_group_name (elt->output_section) = "G"; |
2490 |
|
elf_section_flags (elt->output_section) |= SHF_GROUP; |
2491 |
|
|
2492 |
|
elt = elf_next_in_group (elt); |
2493 |
|
/* During a relocatable link, the lists are |
2494 |
|
circular. */ |
2495 |
|
} |
2496 |
|
while (elt != elf_next_in_group (l->u.indirect.section)); |
2497 |
|
|
2498 |
|
this_hdr->sh_type = SHT_GROUP; |
2499 |
|
} |
2500 |
|
else if ((asect->flags & SEC_ALLOC) != 0 |
2501 |
|
&& (((asect->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) |
2502 |
|
|| (asect->flags & SEC_NEVER_LOAD) != 0)) |
2503 |
|
this_hdr->sh_type = SHT_NOBITS; |
2504 |
|
else |
2505 |
|
this_hdr->sh_type = SHT_PROGBITS; |
2506 |
} |
} |
2507 |
else if (strcmp (asect->name, ".dynsym") == 0) |
|
2508 |
|
switch (this_hdr->sh_type) |
2509 |
{ |
{ |
2510 |
this_hdr->sh_type = SHT_DYNSYM; |
default: |
2511 |
|
break; |
2512 |
|
|
2513 |
|
case SHT_STRTAB: |
2514 |
|
case SHT_INIT_ARRAY: |
2515 |
|
case SHT_FINI_ARRAY: |
2516 |
|
case SHT_PREINIT_ARRAY: |
2517 |
|
case SHT_NOTE: |
2518 |
|
case SHT_NOBITS: |
2519 |
|
case SHT_PROGBITS: |
2520 |
|
break; |
2521 |
|
|
2522 |
|
case SHT_HASH: |
2523 |
|
this_hdr->sh_entsize = bed->s->sizeof_hash_entry; |
2524 |
|
break; |
2525 |
|
|
2526 |
|
case SHT_DYNSYM: |
2527 |
this_hdr->sh_entsize = bed->s->sizeof_sym; |
this_hdr->sh_entsize = bed->s->sizeof_sym; |
2528 |
} |
break; |
2529 |
else if (strcmp (asect->name, ".dynamic") == 0) |
|
2530 |
{ |
case SHT_DYNAMIC: |
|
this_hdr->sh_type = SHT_DYNAMIC; |
|
2531 |
this_hdr->sh_entsize = bed->s->sizeof_dyn; |
this_hdr->sh_entsize = bed->s->sizeof_dyn; |
2532 |
} |
break; |
2533 |
else if (strncmp (asect->name, ".rela", 5) == 0 |
|
2534 |
&& get_elf_backend_data (abfd)->may_use_rela_p) |
case SHT_RELA: |
2535 |
{ |
if (get_elf_backend_data (abfd)->may_use_rela_p) |
2536 |
this_hdr->sh_type = SHT_RELA; |
this_hdr->sh_entsize = bed->s->sizeof_rela; |
2537 |
this_hdr->sh_entsize = bed->s->sizeof_rela; |
break; |
2538 |
} |
|
2539 |
else if (strncmp (asect->name, ".rel", 4) == 0 |
case SHT_REL: |
2540 |
&& get_elf_backend_data (abfd)->may_use_rel_p) |
if (get_elf_backend_data (abfd)->may_use_rel_p) |
2541 |
{ |
this_hdr->sh_entsize = bed->s->sizeof_rel; |
2542 |
this_hdr->sh_type = SHT_REL; |
break; |
2543 |
this_hdr->sh_entsize = bed->s->sizeof_rel; |
|
2544 |
} |
case SHT_GNU_versym: |
|
else if (strcmp (asect->name, ".init_array") == 0) |
|
|
this_hdr->sh_type = SHT_INIT_ARRAY; |
|
|
else if (strcmp (asect->name, ".fini_array") == 0) |
|
|
this_hdr->sh_type = SHT_FINI_ARRAY; |
|
|
else if (strcmp (asect->name, ".preinit_array") == 0) |
|
|
this_hdr->sh_type = SHT_PREINIT_ARRAY; |
|
|
else if (strncmp (asect->name, ".note", 5) == 0) |
|
|
this_hdr->sh_type = SHT_NOTE; |
|
|
else if (strncmp (asect->name, ".stab", 5) == 0 |
|
|
&& strcmp (asect->name + strlen (asect->name) - 3, "str") == 0) |
|
|
this_hdr->sh_type = SHT_STRTAB; |
|
|
else if (strcmp (asect->name, ".gnu.version") == 0) |
|
|
{ |
|
|
this_hdr->sh_type = SHT_GNU_versym; |
|
2545 |
this_hdr->sh_entsize = sizeof (Elf_External_Versym); |
this_hdr->sh_entsize = sizeof (Elf_External_Versym); |
2546 |
} |
break; |
2547 |
else if (strcmp (asect->name, ".gnu.version_d") == 0) |
|
2548 |
{ |
case SHT_GNU_verdef: |
|
this_hdr->sh_type = SHT_GNU_verdef; |
|
2549 |
this_hdr->sh_entsize = 0; |
this_hdr->sh_entsize = 0; |
2550 |
/* objcopy or strip will copy over sh_info, but may not set |
/* objcopy or strip will copy over sh_info, but may not set |
2551 |
cverdefs. The linker will set cverdefs, but sh_info will be |
cverdefs. The linker will set cverdefs, but sh_info will be |
2555 |
else |
else |
2556 |
BFD_ASSERT (elf_tdata (abfd)->cverdefs == 0 |
BFD_ASSERT (elf_tdata (abfd)->cverdefs == 0 |
2557 |
|| this_hdr->sh_info == elf_tdata (abfd)->cverdefs); |
|| this_hdr->sh_info == elf_tdata (abfd)->cverdefs); |
2558 |
} |
break; |
2559 |
else if (strcmp (asect->name, ".gnu.version_r") == 0) |
|
2560 |
{ |
case SHT_GNU_verneed: |
|
this_hdr->sh_type = SHT_GNU_verneed; |
|
2561 |
this_hdr->sh_entsize = 0; |
this_hdr->sh_entsize = 0; |
2562 |
/* objcopy or strip will copy over sh_info, but may not set |
/* objcopy or strip will copy over sh_info, but may not set |
2563 |
cverrefs. The linker will set cverrefs, but sh_info will be |
cverrefs. The linker will set cverrefs, but sh_info will be |
2567 |
else |
else |
2568 |
BFD_ASSERT (elf_tdata (abfd)->cverrefs == 0 |
BFD_ASSERT (elf_tdata (abfd)->cverrefs == 0 |
2569 |
|| this_hdr->sh_info == elf_tdata (abfd)->cverrefs); |
|| this_hdr->sh_info == elf_tdata (abfd)->cverrefs); |
2570 |
} |
break; |
2571 |
else if ((asect->flags & SEC_GROUP) != 0) |
|
2572 |
{ |
case SHT_GROUP: |
|
this_hdr->sh_type = SHT_GROUP; |
|
2573 |
this_hdr->sh_entsize = 4; |
this_hdr->sh_entsize = 4; |
2574 |
|
break; |
2575 |
} |
} |
|
else if ((asect->flags & SEC_ALLOC) != 0 |
|
|
&& (((asect->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) |
|
|
|| (asect->flags & SEC_NEVER_LOAD) != 0)) |
|
|
this_hdr->sh_type = SHT_NOBITS; |
|
|
else |
|
|
this_hdr->sh_type = SHT_PROGBITS; |
|
2576 |
|
|
2577 |
if ((asect->flags & SEC_ALLOC) != 0) |
if ((asect->flags & SEC_ALLOC) != 0) |
2578 |
this_hdr->sh_flags |= SHF_ALLOC; |
this_hdr->sh_flags |= SHF_ALLOC; |
2590 |
if ((asect->flags & SEC_GROUP) == 0 && elf_group_name (asect) != NULL) |
if ((asect->flags & SEC_GROUP) == 0 && elf_group_name (asect) != NULL) |
2591 |
this_hdr->sh_flags |= SHF_GROUP; |
this_hdr->sh_flags |= SHF_GROUP; |
2592 |
if ((asect->flags & SEC_THREAD_LOCAL) != 0) |
if ((asect->flags & SEC_THREAD_LOCAL) != 0) |
2593 |
this_hdr->sh_flags |= SHF_TLS; |
{ |
2594 |
|
this_hdr->sh_flags |= SHF_TLS; |
2595 |
|
if (asect->size == 0 && (asect->flags & SEC_HAS_CONTENTS) == 0) |
2596 |
|
{ |
2597 |
|
struct bfd_link_order *o; |
2598 |
|
|
2599 |
|
this_hdr->sh_size = 0; |
2600 |
|
for (o = asect->link_order_head; o != NULL; o = o->next) |
2601 |
|
if (this_hdr->sh_size < o->offset + o->size) |
2602 |
|
this_hdr->sh_size = o->offset + o->size; |
2603 |
|
if (this_hdr->sh_size) |
2604 |
|
this_hdr->sh_type = SHT_NOBITS; |
2605 |
|
} |
2606 |
|
} |
2607 |
|
|
2608 |
/* Check for processor-specific section types. */ |
/* Check for processor-specific section types. */ |
2609 |
if (bed->elf_backend_fake_sections |
if (bed->elf_backend_fake_sections |
2610 |
&& !(*bed->elf_backend_fake_sections) (abfd, this_hdr, asect)) |
&& !(*bed->elf_backend_fake_sections) (abfd, this_hdr, asect)) |
2611 |
*failedptr = true; |
*failedptr = TRUE; |
2612 |
|
|
2613 |
/* If the section has relocs, set up a section header for the |
/* If the section has relocs, set up a section header for the |
2614 |
SHT_REL[A] section. If two relocation sections are required for |
SHT_REL[A] section. If two relocation sections are required for |
2618 |
&& !_bfd_elf_init_reloc_shdr (abfd, |
&& !_bfd_elf_init_reloc_shdr (abfd, |
2619 |
&elf_section_data (asect)->rel_hdr, |
&elf_section_data (asect)->rel_hdr, |
2620 |
asect, |
asect, |
2621 |
elf_section_data (asect)->use_rela_p)) |
asect->use_rela_p)) |
2622 |
*failedptr = true; |
*failedptr = TRUE; |
2623 |
} |
} |
2624 |
|
|
2625 |
/* Fill in the contents of a SHT_GROUP section. */ |
/* Fill in the contents of a SHT_GROUP section. */ |
2626 |
|
|
2627 |
void |
void |
2628 |
bfd_elf_set_group_contents (abfd, sec, failedptrarg) |
bfd_elf_set_group_contents (bfd *abfd, asection *sec, void *failedptrarg) |
|
bfd *abfd; |
|
|
asection *sec; |
|
|
PTR failedptrarg; |
|
2629 |
{ |
{ |
2630 |
boolean *failedptr = (boolean *) failedptrarg; |
bfd_boolean *failedptr = failedptrarg; |
2631 |
unsigned long symindx; |
unsigned long symindx; |
2632 |
asection *elt, *first; |
asection *elt, *first; |
2633 |
unsigned char *loc; |
unsigned char *loc; |
2634 |
struct bfd_link_order *l; |
struct bfd_link_order *l; |
2635 |
boolean gas; |
bfd_boolean gas; |
2636 |
|
|
2637 |
if (elf_section_data (sec)->this_hdr.sh_type != SHT_GROUP |
if (elf_section_data (sec)->this_hdr.sh_type != SHT_GROUP |
2638 |
|| *failedptr) |
|| *failedptr) |
2654 |
elf_section_data (sec)->this_hdr.sh_info = symindx; |
elf_section_data (sec)->this_hdr.sh_info = symindx; |
2655 |
|
|
2656 |
/* The contents won't be allocated for "ld -r" or objcopy. */ |
/* The contents won't be allocated for "ld -r" or objcopy. */ |
2657 |
gas = true; |
gas = TRUE; |
2658 |
if (sec->contents == NULL) |
if (sec->contents == NULL) |
2659 |
{ |
{ |
2660 |
gas = false; |
gas = FALSE; |
2661 |
sec->contents = bfd_alloc (abfd, sec->_raw_size); |
sec->contents = bfd_alloc (abfd, sec->size); |
2662 |
|
|
2663 |
/* Arrange for the section to be written out. */ |
/* Arrange for the section to be written out. */ |
2664 |
elf_section_data (sec)->this_hdr.contents = sec->contents; |
elf_section_data (sec)->this_hdr.contents = sec->contents; |
2665 |
if (sec->contents == NULL) |
if (sec->contents == NULL) |
2666 |
{ |
{ |
2667 |
*failedptr = true; |
*failedptr = TRUE; |
2668 |
return; |
return; |
2669 |
} |
} |
2670 |
} |
} |
2671 |
|
|
2672 |
loc = sec->contents + sec->_raw_size; |
loc = sec->contents + sec->size; |
2673 |
|
|
2674 |
/* Get the pointer to the first section in the group that gas |
/* Get the pointer to the first section in the group that gas |
2675 |
squirreled away here. objcopy arranges for this to be set to the |
squirreled away here. objcopy arranges for this to be set to the |
2714 |
} |
} |
2715 |
while (elt != elf_next_in_group (l->u.indirect.section)); |
while (elt != elf_next_in_group (l->u.indirect.section)); |
2716 |
|
|
2717 |
/* With ld -r, merging SHT_GROUP sections results in wasted space |
if ((loc -= 4) != sec->contents) |
|
due to allowing for the flag word on each input. We may well |
|
|
duplicate entries too. */ |
|
|
while ((loc -= 4) > sec->contents) |
|
|
H_PUT_32 (abfd, 0, loc); |
|
|
|
|
|
if (loc != sec->contents) |
|
2718 |
abort (); |
abort (); |
2719 |
|
|
2720 |
H_PUT_32 (abfd, sec->flags & SEC_LINK_ONCE ? GRP_COMDAT : 0, loc); |
H_PUT_32 (abfd, sec->flags & SEC_LINK_ONCE ? GRP_COMDAT : 0, loc); |
2724 |
too. The link/info pointers for the standard section types are filled |
too. The link/info pointers for the standard section types are filled |
2725 |
in here too, while we're at it. */ |
in here too, while we're at it. */ |
2726 |
|
|
2727 |
static boolean |
static bfd_boolean |
2728 |
assign_section_numbers (abfd) |
assign_section_numbers (bfd *abfd) |
|
bfd *abfd; |
|
2729 |
{ |
{ |
2730 |
struct elf_obj_tdata *t = elf_tdata (abfd); |
struct elf_obj_tdata *t = elf_tdata (abfd); |
2731 |
asection *sec; |
asection *sec; |
2732 |
unsigned int section_number, secn; |
unsigned int section_number, secn; |
2733 |
Elf_Internal_Shdr **i_shdrp; |
Elf_Internal_Shdr **i_shdrp; |
2734 |
bfd_size_type amt; |
bfd_size_type amt; |
2735 |
|
struct bfd_elf_section_data *d; |
2736 |
|
|
2737 |
section_number = 1; |
section_number = 1; |
2738 |
|
|
2739 |
_bfd_elf_strtab_clear_all_refs (elf_shstrtab (abfd)); |
_bfd_elf_strtab_clear_all_refs (elf_shstrtab (abfd)); |
2740 |
|
|
2741 |
|
/* Put SHT_GROUP sections first. */ |
2742 |
for (sec = abfd->sections; sec; sec = sec->next) |
for (sec = abfd->sections; sec; sec = sec->next) |
2743 |
{ |
{ |
2744 |
struct bfd_elf_section_data *d = elf_section_data (sec); |
d = elf_section_data (sec); |
2745 |
|
|
2746 |
if (section_number == SHN_LORESERVE) |
if (d->this_hdr.sh_type == SHT_GROUP) |
2747 |
section_number += SHN_HIRESERVE + 1 - SHN_LORESERVE; |
{ |
2748 |
d->this_idx = section_number++; |
if (section_number == SHN_LORESERVE) |
2749 |
|
section_number += SHN_HIRESERVE + 1 - SHN_LORESERVE; |
2750 |
|
d->this_idx = section_number++; |
2751 |
|
} |
2752 |
|
} |
2753 |
|
|
2754 |
|
for (sec = abfd->sections; sec; sec = sec->next) |
2755 |
|
{ |
2756 |
|
d = elf_section_data (sec); |
2757 |
|
|
2758 |
|
if (d->this_hdr.sh_type != SHT_GROUP) |
2759 |
|
{ |
2760 |
|
if (section_number == SHN_LORESERVE) |
2761 |
|
section_number += SHN_HIRESERVE + 1 - SHN_LORESERVE; |
2762 |
|
d->this_idx = section_number++; |
2763 |
|
} |
2764 |
_bfd_elf_strtab_addref (elf_shstrtab (abfd), d->this_hdr.sh_name); |
_bfd_elf_strtab_addref (elf_shstrtab (abfd), d->this_hdr.sh_name); |
2765 |
if ((sec->flags & SEC_RELOC) == 0) |
if ((sec->flags & SEC_RELOC) == 0) |
2766 |
d->rel_idx = 0; |
d->rel_idx = 0; |
2802 |
t->symtab_shndx_section = section_number++; |
t->symtab_shndx_section = section_number++; |
2803 |
t->symtab_shndx_hdr.sh_name |
t->symtab_shndx_hdr.sh_name |
2804 |
= (unsigned int) _bfd_elf_strtab_add (elf_shstrtab (abfd), |
= (unsigned int) _bfd_elf_strtab_add (elf_shstrtab (abfd), |
2805 |
".symtab_shndx", false); |
".symtab_shndx", FALSE); |
2806 |
if (t->symtab_shndx_hdr.sh_name == (unsigned int) -1) |
if (t->symtab_shndx_hdr.sh_name == (unsigned int) -1) |
2807 |
return false; |
return FALSE; |
2808 |
} |
} |
2809 |
if (section_number == SHN_LORESERVE) |
if (section_number == SHN_LORESERVE) |
2810 |
section_number += SHN_HIRESERVE + 1 - SHN_LORESERVE; |
section_number += SHN_HIRESERVE + 1 - SHN_LORESERVE; |
2823 |
/* Set up the list of section header pointers, in agreement with the |
/* Set up the list of section header pointers, in agreement with the |
2824 |
indices. */ |
indices. */ |
2825 |
amt = section_number * sizeof (Elf_Internal_Shdr *); |
amt = section_number * sizeof (Elf_Internal_Shdr *); |
2826 |
i_shdrp = (Elf_Internal_Shdr **) bfd_alloc (abfd, amt); |
i_shdrp = bfd_zalloc (abfd, amt); |
2827 |
if (i_shdrp == NULL) |
if (i_shdrp == NULL) |
2828 |
return false; |
return FALSE; |
2829 |
|
|
2830 |
amt = sizeof (Elf_Internal_Shdr); |
amt = sizeof (Elf_Internal_Shdr); |
2831 |
i_shdrp[0] = (Elf_Internal_Shdr *) bfd_alloc (abfd, amt); |
i_shdrp[0] = bfd_zalloc (abfd, amt); |
2832 |
if (i_shdrp[0] == NULL) |
if (i_shdrp[0] == NULL) |
2833 |
{ |
{ |
2834 |
bfd_release (abfd, i_shdrp); |
bfd_release (abfd, i_shdrp); |
2835 |
return false; |
return FALSE; |
2836 |
} |
} |
|
memset (i_shdrp[0], 0, sizeof (Elf_Internal_Shdr)); |
|
2837 |
|
|
2838 |
elf_elfsections (abfd) = i_shdrp; |
elf_elfsections (abfd) = i_shdrp; |
2839 |
|
|
2849 |
i_shdrp[t->strtab_section] = &t->strtab_hdr; |
i_shdrp[t->strtab_section] = &t->strtab_hdr; |
2850 |
t->symtab_hdr.sh_link = t->strtab_section; |
t->symtab_hdr.sh_link = t->strtab_section; |
2851 |
} |
} |
2852 |
|
|
2853 |
for (sec = abfd->sections; sec; sec = sec->next) |
for (sec = abfd->sections; sec; sec = sec->next) |
2854 |
{ |
{ |
2855 |
struct bfd_elf_section_data *d = elf_section_data (sec); |
struct bfd_elf_section_data *d = elf_section_data (sec); |
2878 |
d->rel_hdr2->sh_info = d->this_idx; |
d->rel_hdr2->sh_info = d->this_idx; |
2879 |
} |
} |
2880 |
|
|
2881 |
|
/* We need to set up sh_link for SHF_LINK_ORDER. */ |
2882 |
|
if ((d->this_hdr.sh_flags & SHF_LINK_ORDER) != 0) |
2883 |
|
{ |
2884 |
|
s = elf_linked_to_section (sec); |
2885 |
|
if (s) |
2886 |
|
d->this_hdr.sh_link = elf_section_data (s)->this_idx; |
2887 |
|
else |
2888 |
|
{ |
2889 |
|
struct bfd_link_order *p; |
2890 |
|
|
2891 |
|
/* Find out what the corresponding section in output |
2892 |
|
is. */ |
2893 |
|
for (p = sec->link_order_head; p != NULL; p = p->next) |
2894 |
|
{ |
2895 |
|
s = p->u.indirect.section; |
2896 |
|
if (p->type == bfd_indirect_link_order |
2897 |
|
&& (bfd_get_flavour (s->owner) |
2898 |
|
== bfd_target_elf_flavour)) |
2899 |
|
{ |
2900 |
|
Elf_Internal_Shdr ** const elf_shdrp |
2901 |
|
= elf_elfsections (s->owner); |
2902 |
|
int elfsec |
2903 |
|
= _bfd_elf_section_from_bfd_section (s->owner, s); |
2904 |
|
elfsec = elf_shdrp[elfsec]->sh_link; |
2905 |
|
/* PR 290: |
2906 |
|
The Intel C compiler generates SHT_IA_64_UNWIND with |
2907 |
|
SHF_LINK_ORDER. But it doesn't set theh sh_link or |
2908 |
|
sh_info fields. Hence we could get the situation |
2909 |
|
where elfsec is 0. */ |
2910 |
|
if (elfsec == 0) |
2911 |
|
{ |
2912 |
|
const struct elf_backend_data *bed |
2913 |
|
= get_elf_backend_data (abfd); |
2914 |
|
if (bed->link_order_error_handler) |
2915 |
|
bed->link_order_error_handler |
2916 |
|
(_("%B: warning: sh_link not set for section `%S'"), |
2917 |
|
abfd, s); |
2918 |
|
} |
2919 |
|
else |
2920 |
|
{ |
2921 |
|
s = elf_shdrp[elfsec]->bfd_section->output_section; |
2922 |
|
BFD_ASSERT (s != NULL); |
2923 |
|
d->this_hdr.sh_link = elf_section_data (s)->this_idx; |
2924 |
|
} |
2925 |
|
break; |
2926 |
|
} |
2927 |
|
} |
2928 |
|
} |
2929 |
|
} |
2930 |
|
|
2931 |
switch (d->this_hdr.sh_type) |
switch (d->this_hdr.sh_type) |
2932 |
{ |
{ |
2933 |
case SHT_REL: |
case SHT_REL: |
2965 |
char *alc; |
char *alc; |
2966 |
|
|
2967 |
len = strlen (sec->name); |
len = strlen (sec->name); |
2968 |
alc = (char *) bfd_malloc ((bfd_size_type) (len - 2)); |
alc = bfd_malloc (len - 2); |
2969 |
if (alc == NULL) |
if (alc == NULL) |
2970 |
return false; |
return FALSE; |
2971 |
memcpy (alc, sec->name, len - 3); |
memcpy (alc, sec->name, len - 3); |
2972 |
alc[len - 3] = '\0'; |
alc[len - 3] = '\0'; |
2973 |
s = bfd_get_section_by_name (abfd, alc); |
s = bfd_get_section_by_name (abfd, alc); |
2996 |
d->this_hdr.sh_link = elf_section_data (s)->this_idx; |
d->this_hdr.sh_link = elf_section_data (s)->this_idx; |
2997 |
break; |
break; |
2998 |
|
|
2999 |
|
case SHT_GNU_LIBLIST: |
3000 |
|
/* sh_link is the section header index of the prelink library |
3001 |
|
list |
3002 |
|
used for the dynamic entries, or the symbol table, or the |
3003 |
|
version strings. */ |
3004 |
|
s = bfd_get_section_by_name (abfd, (sec->flags & SEC_ALLOC) |
3005 |
|
? ".dynstr" : ".gnu.libstr"); |
3006 |
|
if (s != NULL) |
3007 |
|
d->this_hdr.sh_link = elf_section_data (s)->this_idx; |
3008 |
|
break; |
3009 |
|
|
3010 |
case SHT_HASH: |
case SHT_HASH: |
3011 |
case SHT_GNU_versym: |
case SHT_GNU_versym: |
3012 |
/* sh_link is the section header index of the symbol table |
/* sh_link is the section header index of the symbol table |
3027 |
else |
else |
3028 |
i_shdrp[secn]->sh_name = _bfd_elf_strtab_offset (elf_shstrtab (abfd), |
i_shdrp[secn]->sh_name = _bfd_elf_strtab_offset (elf_shstrtab (abfd), |
3029 |
i_shdrp[secn]->sh_name); |
i_shdrp[secn]->sh_name); |
3030 |
return true; |
return TRUE; |
3031 |
} |
} |
3032 |
|
|
3033 |
/* Map symbol from it's internal number to the external number, moving |
/* Map symbol from it's internal number to the external number, moving |
3034 |
all local symbols to be at the head of the list. */ |
all local symbols to be at the head of the list. */ |
3035 |
|
|
3036 |
static INLINE int |
static int |
3037 |
sym_is_global (abfd, sym) |
sym_is_global (bfd *abfd, asymbol *sym) |
|
bfd *abfd; |
|
|
asymbol *sym; |
|
3038 |
{ |
{ |
3039 |
/* If the backend has a special mapping, use it. */ |
/* If the backend has a special mapping, use it. */ |
3040 |
if (get_elf_backend_data (abfd)->elf_backend_sym_is_global) |
const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
3041 |
return ((*get_elf_backend_data (abfd)->elf_backend_sym_is_global) |
if (bed->elf_backend_sym_is_global) |
3042 |
(abfd, sym)); |
return (*bed->elf_backend_sym_is_global) (abfd, sym); |
3043 |
|
|
3044 |
return ((sym->flags & (BSF_GLOBAL | BSF_WEAK)) != 0 |
return ((sym->flags & (BSF_GLOBAL | BSF_WEAK)) != 0 |
3045 |
|| bfd_is_und_section (bfd_get_section (sym)) |
|| bfd_is_und_section (bfd_get_section (sym)) |
3046 |
|| bfd_is_com_section (bfd_get_section (sym))); |
|| bfd_is_com_section (bfd_get_section (sym))); |
3047 |
} |
} |
3048 |
|
|
3049 |
static boolean |
static bfd_boolean |
3050 |
elf_map_symbols (abfd) |
elf_map_symbols (bfd *abfd) |
|
bfd *abfd; |
|
3051 |
{ |
{ |
3052 |
unsigned int symcount = bfd_get_symcount (abfd); |
unsigned int symcount = bfd_get_symcount (abfd); |
3053 |
asymbol **syms = bfd_get_outsymbols (abfd); |
asymbol **syms = bfd_get_outsymbols (abfd); |
3075 |
|
|
3076 |
max_index++; |
max_index++; |
3077 |
amt = max_index * sizeof (asymbol *); |
amt = max_index * sizeof (asymbol *); |
3078 |
sect_syms = (asymbol **) bfd_zalloc (abfd, amt); |
sect_syms = bfd_zalloc (abfd, amt); |
3079 |
if (sect_syms == NULL) |
if (sect_syms == NULL) |
3080 |
return false; |
return FALSE; |
3081 |
elf_section_syms (abfd) = sect_syms; |
elf_section_syms (abfd) = sect_syms; |
3082 |
elf_num_section_syms (abfd) = max_index; |
elf_num_section_syms (abfd) = max_index; |
3083 |
|
|
3149 |
|
|
3150 |
/* Now sort the symbols so the local symbols are first. */ |
/* Now sort the symbols so the local symbols are first. */ |
3151 |
amt = (num_locals + num_globals) * sizeof (asymbol *); |
amt = (num_locals + num_globals) * sizeof (asymbol *); |
3152 |
new_syms = (asymbol **) bfd_alloc (abfd, amt); |
new_syms = bfd_alloc (abfd, amt); |
3153 |
|
|
3154 |
if (new_syms == NULL) |
if (new_syms == NULL) |
3155 |
return false; |
return FALSE; |
3156 |
|
|
3157 |
for (idx = 0; idx < symcount; idx++) |
for (idx = 0; idx < symcount; idx++) |
3158 |
{ |
{ |
3187 |
|
|
3188 |
elf_num_locals (abfd) = num_locals; |
elf_num_locals (abfd) = num_locals; |
3189 |
elf_num_globals (abfd) = num_globals; |
elf_num_globals (abfd) = num_globals; |
3190 |
return true; |
return TRUE; |
3191 |
} |
} |
3192 |
|
|
3193 |
/* Align to the maximum file alignment that could be required for any |
/* Align to the maximum file alignment that could be required for any |
3194 |
ELF data structure. */ |
ELF data structure. */ |
3195 |
|
|
3196 |
static INLINE file_ptr align_file_position PARAMS ((file_ptr, int)); |
static inline file_ptr |
3197 |
static INLINE file_ptr |
align_file_position (file_ptr off, int align) |
|
align_file_position (off, align) |
|
|
file_ptr off; |
|
|
int align; |
|
3198 |
{ |
{ |
3199 |
return (off + align - 1) & ~(align - 1); |
return (off + align - 1) & ~(align - 1); |
3200 |
} |
} |
3202 |
/* Assign a file position to a section, optionally aligning to the |
/* Assign a file position to a section, optionally aligning to the |
3203 |
required section alignment. */ |
required section alignment. */ |
3204 |
|
|
3205 |
INLINE file_ptr |
file_ptr |
3206 |
_bfd_elf_assign_file_position_for_section (i_shdrp, offset, align) |
_bfd_elf_assign_file_position_for_section (Elf_Internal_Shdr *i_shdrp, |
3207 |
Elf_Internal_Shdr *i_shdrp; |
file_ptr offset, |
3208 |
file_ptr offset; |
bfd_boolean align) |
|
boolean align; |
|
3209 |
{ |
{ |
3210 |
if (align) |
if (align) |
3211 |
{ |
{ |
3227 |
otherwise prepare to begin writing out the ELF file. If LINK_INFO |
otherwise prepare to begin writing out the ELF file. If LINK_INFO |
3228 |
is not NULL, this is being called by the ELF backend linker. */ |
is not NULL, this is being called by the ELF backend linker. */ |
3229 |
|
|
3230 |
boolean |
bfd_boolean |
3231 |
_bfd_elf_compute_section_file_positions (abfd, link_info) |
_bfd_elf_compute_section_file_positions (bfd *abfd, |
3232 |
bfd *abfd; |
struct bfd_link_info *link_info) |
3233 |
struct bfd_link_info *link_info; |
{ |
3234 |
{ |
const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
3235 |
struct elf_backend_data *bed = get_elf_backend_data (abfd); |
bfd_boolean failed; |
3236 |
boolean failed; |
struct bfd_strtab_hash *strtab = NULL; |
|
struct bfd_strtab_hash *strtab; |
|
3237 |
Elf_Internal_Shdr *shstrtab_hdr; |
Elf_Internal_Shdr *shstrtab_hdr; |
3238 |
|
|
3239 |
if (abfd->output_has_begun) |
if (abfd->output_has_begun) |
3240 |
return true; |
return TRUE; |
3241 |
|
|
3242 |
/* Do any elf backend specific processing first. */ |
/* Do any elf backend specific processing first. */ |
3243 |
if (bed->elf_backend_begin_write_processing) |
if (bed->elf_backend_begin_write_processing) |
3244 |
(*bed->elf_backend_begin_write_processing) (abfd, link_info); |
(*bed->elf_backend_begin_write_processing) (abfd, link_info); |
3245 |
|
|
3246 |
if (! prep_headers (abfd)) |
if (! prep_headers (abfd)) |
3247 |
return false; |
return FALSE; |
3248 |
|
|
3249 |
/* Post process the headers if necessary. */ |
/* Post process the headers if necessary. */ |
3250 |
if (bed->elf_backend_post_process_headers) |
if (bed->elf_backend_post_process_headers) |
3251 |
(*bed->elf_backend_post_process_headers) (abfd, link_info); |
(*bed->elf_backend_post_process_headers) (abfd, link_info); |
3252 |
|
|
3253 |
failed = false; |
failed = FALSE; |
3254 |
bfd_map_over_sections (abfd, elf_fake_sections, &failed); |
bfd_map_over_sections (abfd, elf_fake_sections, &failed); |
3255 |
if (failed) |
if (failed) |
3256 |
return false; |
return FALSE; |
3257 |
|
|
3258 |
if (!assign_section_numbers (abfd)) |
if (!assign_section_numbers (abfd)) |
3259 |
return false; |
return FALSE; |
3260 |
|
|
3261 |
/* The backend linker builds symbol table information itself. */ |
/* The backend linker builds symbol table information itself. */ |
3262 |
if (link_info == NULL && bfd_get_symcount (abfd) > 0) |
if (link_info == NULL && bfd_get_symcount (abfd) > 0) |
3265 |
int relocatable_p = ! (abfd->flags & (EXEC_P | DYNAMIC)); |
int relocatable_p = ! (abfd->flags & (EXEC_P | DYNAMIC)); |
3266 |
|
|
3267 |
if (! swap_out_syms (abfd, &strtab, relocatable_p)) |
if (! swap_out_syms (abfd, &strtab, relocatable_p)) |
3268 |
return false; |
return FALSE; |
3269 |
} |
} |
3270 |
|
|
3271 |
if (link_info == NULL) |
if (link_info == NULL) |
3272 |
{ |
{ |
3273 |
bfd_map_over_sections (abfd, bfd_elf_set_group_contents, &failed); |
bfd_map_over_sections (abfd, bfd_elf_set_group_contents, &failed); |
3274 |
if (failed) |
if (failed) |
3275 |
return false; |
return FALSE; |
3276 |
} |
} |
3277 |
|
|
3278 |
shstrtab_hdr = &elf_tdata (abfd)->shstrtab_hdr; |
shstrtab_hdr = &elf_tdata (abfd)->shstrtab_hdr; |
3287 |
/* sh_offset is set in assign_file_positions_except_relocs. */ |
/* sh_offset is set in assign_file_positions_except_relocs. */ |
3288 |
shstrtab_hdr->sh_addralign = 1; |
shstrtab_hdr->sh_addralign = 1; |
3289 |
|
|
3290 |
if (!assign_file_positions_except_relocs (abfd)) |
if (!assign_file_positions_except_relocs (abfd, link_info)) |
3291 |
return false; |
return FALSE; |
3292 |
|
|
3293 |
if (link_info == NULL && bfd_get_symcount (abfd) > 0) |
if (link_info == NULL && bfd_get_symcount (abfd) > 0) |
3294 |
{ |
{ |
3298 |
off = elf_tdata (abfd)->next_file_pos; |
off = elf_tdata (abfd)->next_file_pos; |
3299 |
|
|
3300 |
hdr = &elf_tdata (abfd)->symtab_hdr; |
hdr = &elf_tdata (abfd)->symtab_hdr; |
3301 |
off = _bfd_elf_assign_file_position_for_section (hdr, off, true); |
off = _bfd_elf_assign_file_position_for_section (hdr, off, TRUE); |
3302 |
|
|
3303 |
hdr = &elf_tdata (abfd)->symtab_shndx_hdr; |
hdr = &elf_tdata (abfd)->symtab_shndx_hdr; |
3304 |
if (hdr->sh_size != 0) |
if (hdr->sh_size != 0) |
3305 |
off = _bfd_elf_assign_file_position_for_section (hdr, off, true); |
off = _bfd_elf_assign_file_position_for_section (hdr, off, TRUE); |
3306 |
|
|
3307 |
hdr = &elf_tdata (abfd)->strtab_hdr; |
hdr = &elf_tdata (abfd)->strtab_hdr; |
3308 |
off = _bfd_elf_assign_file_position_for_section (hdr, off, true); |
off = _bfd_elf_assign_file_position_for_section (hdr, off, TRUE); |
3309 |
|
|
3310 |
elf_tdata (abfd)->next_file_pos = off; |
elf_tdata (abfd)->next_file_pos = off; |
3311 |
|
|
3313 |
out. */ |
out. */ |
3314 |
if (bfd_seek (abfd, hdr->sh_offset, SEEK_SET) != 0 |
if (bfd_seek (abfd, hdr->sh_offset, SEEK_SET) != 0 |
3315 |
|| ! _bfd_stringtab_emit (abfd, strtab)) |
|| ! _bfd_stringtab_emit (abfd, strtab)) |
3316 |
return false; |
return FALSE; |
3317 |
_bfd_stringtab_free (strtab); |
_bfd_stringtab_free (strtab); |
3318 |
} |
} |
3319 |
|
|
3320 |
abfd->output_has_begun = true; |
abfd->output_has_begun = TRUE; |
3321 |
|
|
3322 |
return true; |
return TRUE; |
3323 |
} |
} |
3324 |
|
|
3325 |
/* Create a mapping from a set of sections to a program segment. */ |
/* Create a mapping from a set of sections to a program segment. */ |
3326 |
|
|
3327 |
static INLINE struct elf_segment_map * |
static struct elf_segment_map * |
3328 |
make_mapping (abfd, sections, from, to, phdr) |
make_mapping (bfd *abfd, |
3329 |
bfd *abfd; |
asection **sections, |
3330 |
asection **sections; |
unsigned int from, |
3331 |
unsigned int from; |
unsigned int to, |
3332 |
unsigned int to; |
bfd_boolean phdr) |
|
boolean phdr; |
|
3333 |
{ |
{ |
3334 |
struct elf_segment_map *m; |
struct elf_segment_map *m; |
3335 |
unsigned int i; |
unsigned int i; |
3338 |
|
|
3339 |
amt = sizeof (struct elf_segment_map); |
amt = sizeof (struct elf_segment_map); |
3340 |
amt += (to - from - 1) * sizeof (asection *); |
amt += (to - from - 1) * sizeof (asection *); |
3341 |
m = (struct elf_segment_map *) bfd_zalloc (abfd, amt); |
m = bfd_zalloc (abfd, amt); |
3342 |
if (m == NULL) |
if (m == NULL) |
3343 |
return NULL; |
return NULL; |
3344 |
m->next = NULL; |
m->next = NULL; |
3357 |
return m; |
return m; |
3358 |
} |
} |
3359 |
|
|
3360 |
|
/* Create the PT_DYNAMIC segment, which includes DYNSEC. Returns NULL |
3361 |
|
on failure. */ |
3362 |
|
|
3363 |
|
struct elf_segment_map * |
3364 |
|
_bfd_elf_make_dynamic_segment (bfd *abfd, asection *dynsec) |
3365 |
|
{ |
3366 |
|
struct elf_segment_map *m; |
3367 |
|
|
3368 |
|
m = bfd_zalloc (abfd, sizeof (struct elf_segment_map)); |
3369 |
|
if (m == NULL) |
3370 |
|
return NULL; |
3371 |
|
m->next = NULL; |
3372 |
|
m->p_type = PT_DYNAMIC; |
3373 |
|
m->count = 1; |
3374 |
|
m->sections[0] = dynsec; |
3375 |
|
|
3376 |
|
return m; |
3377 |
|
} |
3378 |
|
|
3379 |
/* Set up a mapping from BFD sections to program segments. */ |
/* Set up a mapping from BFD sections to program segments. */ |
3380 |
|
|
3381 |
static boolean |
static bfd_boolean |
3382 |
map_sections_to_segments (abfd) |
map_sections_to_segments (bfd *abfd) |
|
bfd *abfd; |
|
3383 |
{ |
{ |
3384 |
asection **sections = NULL; |
asection **sections = NULL; |
3385 |
asection *s; |
asection *s; |
3389 |
struct elf_segment_map **pm; |
struct elf_segment_map **pm; |
3390 |
struct elf_segment_map *m; |
struct elf_segment_map *m; |
3391 |
asection *last_hdr; |
asection *last_hdr; |
3392 |
|
bfd_vma last_size; |
3393 |
unsigned int phdr_index; |
unsigned int phdr_index; |
3394 |
bfd_vma maxpagesize; |
bfd_vma maxpagesize; |
3395 |
asection **hdrpp; |
asection **hdrpp; |
3396 |
boolean phdr_in_segment = true; |
bfd_boolean phdr_in_segment = TRUE; |
3397 |
boolean writable; |
bfd_boolean writable; |
3398 |
int tls_count = 0; |
int tls_count = 0; |
3399 |
asection *first_tls = NULL; |
asection *first_tls = NULL; |
3400 |
asection *dynsec, *eh_frame_hdr; |
asection *dynsec, *eh_frame_hdr; |
3401 |
bfd_size_type amt; |
bfd_size_type amt; |
3402 |
|
|
3403 |
if (elf_tdata (abfd)->segment_map != NULL) |
if (elf_tdata (abfd)->segment_map != NULL) |
3404 |
return true; |
return TRUE; |
3405 |
|
|
3406 |
if (bfd_count_sections (abfd) == 0) |
if (bfd_count_sections (abfd) == 0) |
3407 |
return true; |
return TRUE; |
3408 |
|
|
3409 |
/* Select the allocated sections, and sort them. */ |
/* Select the allocated sections, and sort them. */ |
3410 |
|
|
3411 |
amt = bfd_count_sections (abfd) * sizeof (asection *); |
amt = bfd_count_sections (abfd) * sizeof (asection *); |
3412 |
sections = (asection **) bfd_malloc (amt); |
sections = bfd_malloc (amt); |
3413 |
if (sections == NULL) |
if (sections == NULL) |
3414 |
goto error_return; |
goto error_return; |
3415 |
|
|
3439 |
if (s != NULL && (s->flags & SEC_LOAD) != 0) |
if (s != NULL && (s->flags & SEC_LOAD) != 0) |
3440 |
{ |
{ |
3441 |
amt = sizeof (struct elf_segment_map); |
amt = sizeof (struct elf_segment_map); |
3442 |
m = (struct elf_segment_map *) bfd_zalloc (abfd, amt); |
m = bfd_zalloc (abfd, amt); |
3443 |
if (m == NULL) |
if (m == NULL) |
3444 |
goto error_return; |
goto error_return; |
3445 |
m->next = NULL; |
m->next = NULL; |
3453 |
pm = &m->next; |
pm = &m->next; |
3454 |
|
|
3455 |
amt = sizeof (struct elf_segment_map); |
amt = sizeof (struct elf_segment_map); |
3456 |
m = (struct elf_segment_map *) bfd_zalloc (abfd, amt); |
m = bfd_zalloc (abfd, amt); |
3457 |
if (m == NULL) |
if (m == NULL) |
3458 |
goto error_return; |
goto error_return; |
3459 |
m->next = NULL; |
m->next = NULL; |
3469 |
segment when the start of the second section can be placed within |
segment when the start of the second section can be placed within |
3470 |
a few bytes of the end of the first section. */ |
a few bytes of the end of the first section. */ |
3471 |
last_hdr = NULL; |
last_hdr = NULL; |
3472 |
|
last_size = 0; |
3473 |
phdr_index = 0; |
phdr_index = 0; |
3474 |
maxpagesize = get_elf_backend_data (abfd)->maxpagesize; |
maxpagesize = get_elf_backend_data (abfd)->maxpagesize; |
3475 |
writable = false; |
writable = FALSE; |
3476 |
dynsec = bfd_get_section_by_name (abfd, ".dynamic"); |
dynsec = bfd_get_section_by_name (abfd, ".dynamic"); |
3477 |
if (dynsec != NULL |
if (dynsec != NULL |
3478 |
&& (dynsec->flags & SEC_LOAD) == 0) |
&& (dynsec->flags & SEC_LOAD) == 0) |
3492 |
if ((abfd->flags & D_PAGED) == 0 |
if ((abfd->flags & D_PAGED) == 0 |
3493 |
|| sections[0]->lma < phdr_size |
|| sections[0]->lma < phdr_size |
3494 |
|| sections[0]->lma % maxpagesize < phdr_size % maxpagesize) |
|| sections[0]->lma % maxpagesize < phdr_size % maxpagesize) |
3495 |
phdr_in_segment = false; |
phdr_in_segment = FALSE; |
3496 |
} |
} |
3497 |
|
|
3498 |
for (i = 0, hdrpp = sections; i < count; i++, hdrpp++) |
for (i = 0, hdrpp = sections; i < count; i++, hdrpp++) |
3499 |
{ |
{ |
3500 |
asection *hdr; |
asection *hdr; |
3501 |
boolean new_segment; |
bfd_boolean new_segment; |
3502 |
|
|
3503 |
hdr = *hdrpp; |
hdr = *hdrpp; |
3504 |
|
|
3509 |
{ |
{ |
3510 |
/* If we don't have a segment yet, then we don't need a new |
/* If we don't have a segment yet, then we don't need a new |
3511 |
one (we build the last one after this loop). */ |
one (we build the last one after this loop). */ |
3512 |
new_segment = false; |
new_segment = FALSE; |
3513 |
} |
} |
3514 |
else if (last_hdr->lma - last_hdr->vma != hdr->lma - hdr->vma) |
else if (last_hdr->lma - last_hdr->vma != hdr->lma - hdr->vma) |
3515 |
{ |
{ |
3516 |
/* If this section has a different relation between the |
/* If this section has a different relation between the |
3517 |
virtual address and the load address, then we need a new |
virtual address and the load address, then we need a new |
3518 |
segment. */ |
segment. */ |
3519 |
new_segment = true; |
new_segment = TRUE; |
3520 |
} |
} |
3521 |
else if (BFD_ALIGN (last_hdr->lma + last_hdr->_raw_size, maxpagesize) |
else if (BFD_ALIGN (last_hdr->lma + last_size, maxpagesize) |
3522 |
< BFD_ALIGN (hdr->lma, maxpagesize)) |
< BFD_ALIGN (hdr->lma, maxpagesize)) |
3523 |
{ |
{ |
3524 |
/* If putting this section in this segment would force us to |
/* If putting this section in this segment would force us to |
3525 |
skip a page in the segment, then we need a new segment. */ |
skip a page in the segment, then we need a new segment. */ |
3526 |
new_segment = true; |
new_segment = TRUE; |
3527 |
} |
} |
3528 |
else if ((last_hdr->flags & SEC_LOAD) == 0 |
else if ((last_hdr->flags & (SEC_LOAD | SEC_THREAD_LOCAL)) == 0 |
3529 |
&& (hdr->flags & SEC_LOAD) != 0) |
&& (hdr->flags & (SEC_LOAD | SEC_THREAD_LOCAL)) != 0) |
3530 |
{ |
{ |
3531 |
/* We don't want to put a loadable section after a |
/* We don't want to put a loadable section after a |
3532 |
nonloadable section in the same segment. */ |
nonloadable section in the same segment. |
3533 |
new_segment = true; |
Consider .tbss sections as loadable for this purpose. */ |
3534 |
|
new_segment = TRUE; |
3535 |
} |
} |
3536 |
else if ((abfd->flags & D_PAGED) == 0) |
else if ((abfd->flags & D_PAGED) == 0) |
3537 |
{ |
{ |
3538 |
/* If the file is not demand paged, which means that we |
/* If the file is not demand paged, which means that we |
3539 |
don't require the sections to be correctly aligned in the |
don't require the sections to be correctly aligned in the |
3540 |
file, then there is no other reason for a new segment. */ |
file, then there is no other reason for a new segment. */ |
3541 |
new_segment = false; |
new_segment = FALSE; |
3542 |
} |
} |
3543 |
else if (! writable |
else if (! writable |
3544 |
&& (hdr->flags & SEC_READONLY) == 0 |
&& (hdr->flags & SEC_READONLY) == 0 |
3545 |
&& (BFD_ALIGN (last_hdr->lma + last_hdr->_raw_size, maxpagesize) |
&& (((last_hdr->lma + last_size - 1) |
3546 |
== hdr->lma)) |
& ~(maxpagesize - 1)) |
3547 |
|
!= (hdr->lma & ~(maxpagesize - 1)))) |
3548 |
{ |
{ |
3549 |
/* We don't want to put a writable section in a read only |
/* We don't want to put a writable section in a read only |
3550 |
segment, unless they are on the same page in memory |
segment, unless they are on the same page in memory |
3553 |
only case in which the new section is not on the same |
only case in which the new section is not on the same |
3554 |
page as the previous section is when the previous section |
page as the previous section is when the previous section |
3555 |
ends precisely on a page boundary. */ |
ends precisely on a page boundary. */ |
3556 |
new_segment = true; |
new_segment = TRUE; |
3557 |
} |
} |
3558 |
else |
else |
3559 |
{ |
{ |
3560 |
/* Otherwise, we can use the same segment. */ |
/* Otherwise, we can use the same segment. */ |
3561 |
new_segment = false; |
new_segment = FALSE; |
3562 |
} |
} |
3563 |
|
|
3564 |
if (! new_segment) |
if (! new_segment) |
3565 |
{ |
{ |
3566 |
if ((hdr->flags & SEC_READONLY) == 0) |
if ((hdr->flags & SEC_READONLY) == 0) |
3567 |
writable = true; |
writable = TRUE; |
3568 |
last_hdr = hdr; |
last_hdr = hdr; |
3569 |
|
/* .tbss sections effectively have zero size. */ |
3570 |
|
if ((hdr->flags & (SEC_THREAD_LOCAL | SEC_LOAD)) != SEC_THREAD_LOCAL) |
3571 |
|
last_size = hdr->size; |
3572 |
|
else |
3573 |
|
last_size = 0; |
3574 |
continue; |
continue; |
3575 |
} |
} |
3576 |
|
|
3585 |
pm = &m->next; |
pm = &m->next; |
3586 |
|
|
3587 |
if ((hdr->flags & SEC_READONLY) == 0) |
if ((hdr->flags & SEC_READONLY) == 0) |
3588 |
writable = true; |
writable = TRUE; |
3589 |
else |
else |
3590 |
writable = false; |
writable = FALSE; |
3591 |
|
|
3592 |
last_hdr = hdr; |
last_hdr = hdr; |
3593 |
|
/* .tbss sections effectively have zero size. */ |
3594 |
|
if ((hdr->flags & (SEC_THREAD_LOCAL | SEC_LOAD)) != SEC_THREAD_LOCAL) |
3595 |
|
last_size = hdr->size; |
3596 |
|
else |
3597 |
|
last_size = 0; |
3598 |
phdr_index = i; |
phdr_index = i; |
3599 |
phdr_in_segment = false; |
phdr_in_segment = FALSE; |
3600 |
} |
} |
3601 |
|
|
3602 |
/* Create a final PT_LOAD program segment. */ |
/* Create a final PT_LOAD program segment. */ |
3613 |
/* If there is a .dynamic section, throw in a PT_DYNAMIC segment. */ |
/* If there is a .dynamic section, throw in a PT_DYNAMIC segment. */ |
3614 |
if (dynsec != NULL) |
if (dynsec != NULL) |
3615 |
{ |
{ |
3616 |
amt = sizeof (struct elf_segment_map); |
m = _bfd_elf_make_dynamic_segment (abfd, dynsec); |
|
m = (struct elf_segment_map *) bfd_zalloc (abfd, amt); |
|
3617 |
if (m == NULL) |
if (m == NULL) |
3618 |
goto error_return; |
goto error_return; |
|
m->next = NULL; |
|
|
m->p_type = PT_DYNAMIC; |
|
|
m->count = 1; |
|
|
m->sections[0] = dynsec; |
|
|
|
|
3619 |
*pm = m; |
*pm = m; |
3620 |
pm = &m->next; |
pm = &m->next; |
3621 |
} |
} |
3631 |
&& strncmp (s->name, ".note", 5) == 0) |
&& strncmp (s->name, ".note", 5) == 0) |
3632 |
{ |
{ |
3633 |
amt = sizeof (struct elf_segment_map); |
amt = sizeof (struct elf_segment_map); |
3634 |
m = (struct elf_segment_map *) bfd_zalloc (abfd, amt); |
m = bfd_zalloc (abfd, amt); |
3635 |
if (m == NULL) |
if (m == NULL) |
3636 |
goto error_return; |
goto error_return; |
3637 |
m->next = NULL; |
m->next = NULL; |
3657 |
|
|
3658 |
amt = sizeof (struct elf_segment_map); |
amt = sizeof (struct elf_segment_map); |
3659 |
amt += (tls_count - 1) * sizeof (asection *); |
amt += (tls_count - 1) * sizeof (asection *); |
3660 |
m = (struct elf_segment_map *) bfd_zalloc (abfd, amt); |
m = bfd_zalloc (abfd, amt); |
3661 |
if (m == NULL) |
if (m == NULL) |
3662 |
goto error_return; |
goto error_return; |
3663 |
m->next = NULL; |
m->next = NULL; |
3679 |
|
|
3680 |
/* If there is a .eh_frame_hdr section, throw in a PT_GNU_EH_FRAME |
/* If there is a .eh_frame_hdr section, throw in a PT_GNU_EH_FRAME |
3681 |
segment. */ |
segment. */ |
3682 |
eh_frame_hdr = NULL; |
eh_frame_hdr = elf_tdata (abfd)->eh_frame_hdr; |
3683 |
if (elf_tdata (abfd)->eh_frame_hdr) |
if (eh_frame_hdr != NULL |
3684 |
eh_frame_hdr = bfd_get_section_by_name (abfd, ".eh_frame_hdr"); |
&& (eh_frame_hdr->output_section->flags & SEC_LOAD) != 0) |
|
if (eh_frame_hdr != NULL && (eh_frame_hdr->flags & SEC_LOAD)) |
|
3685 |
{ |
{ |
3686 |
amt = sizeof (struct elf_segment_map); |
amt = sizeof (struct elf_segment_map); |
3687 |
m = (struct elf_segment_map *) bfd_zalloc (abfd, amt); |
m = bfd_zalloc (abfd, amt); |
3688 |
if (m == NULL) |
if (m == NULL) |
3689 |
goto error_return; |
goto error_return; |
3690 |
m->next = NULL; |
m->next = NULL; |
3691 |
m->p_type = PT_GNU_EH_FRAME; |
m->p_type = PT_GNU_EH_FRAME; |
3692 |
m->count = 1; |
m->count = 1; |
3693 |
m->sections[0] = eh_frame_hdr; |
m->sections[0] = eh_frame_hdr->output_section; |
3694 |
|
|
3695 |
|
*pm = m; |
3696 |
|
pm = &m->next; |
3697 |
|
} |
3698 |
|
|
3699 |
|
if (elf_tdata (abfd)->stack_flags) |
3700 |
|
{ |
3701 |
|
amt = sizeof (struct elf_segment_map); |
3702 |
|
m = bfd_zalloc (abfd, amt); |
3703 |
|
if (m == NULL) |
3704 |
|
goto error_return; |
3705 |
|
m->next = NULL; |
3706 |
|
m->p_type = PT_GNU_STACK; |
3707 |
|
m->p_flags = elf_tdata (abfd)->stack_flags; |
3708 |
|
m->p_flags_valid = 1; |
3709 |
|
|
3710 |
|
*pm = m; |
3711 |
|
pm = &m->next; |
3712 |
|
} |
3713 |
|
|
3714 |
|
if (elf_tdata (abfd)->relro) |
3715 |
|
{ |
3716 |
|
amt = sizeof (struct elf_segment_map); |
3717 |
|
m = bfd_zalloc (abfd, amt); |
3718 |
|
if (m == NULL) |
3719 |
|
goto error_return; |
3720 |
|
m->next = NULL; |
3721 |
|
m->p_type = PT_GNU_RELRO; |
3722 |
|
m->p_flags = PF_R; |
3723 |
|
m->p_flags_valid = 1; |
3724 |
|
|
3725 |
*pm = m; |
*pm = m; |
3726 |
pm = &m->next; |
pm = &m->next; |
3730 |
sections = NULL; |
sections = NULL; |
3731 |
|
|
3732 |
elf_tdata (abfd)->segment_map = mfirst; |
elf_tdata (abfd)->segment_map = mfirst; |
3733 |
return true; |
return TRUE; |
3734 |
|
|
3735 |
error_return: |
error_return: |
3736 |
if (sections != NULL) |
if (sections != NULL) |
3737 |
free (sections); |
free (sections); |
3738 |
return false; |
return FALSE; |
3739 |
} |
} |
3740 |
|
|
3741 |
/* Sort sections by address. */ |
/* Sort sections by address. */ |
3742 |
|
|
3743 |
static int |
static int |
3744 |
elf_sort_sections (arg1, arg2) |
elf_sort_sections (const void *arg1, const void *arg2) |
|
const PTR arg1; |
|
|
const PTR arg2; |
|
3745 |
{ |
{ |
3746 |
const asection *sec1 = *(const asection **) arg1; |
const asection *sec1 = *(const asection **) arg1; |
3747 |
const asection *sec2 = *(const asection **) arg2; |
const asection *sec2 = *(const asection **) arg2; |
3748 |
|
bfd_size_type size1, size2; |
3749 |
|
|
3750 |
/* Sort by LMA first, since this is the address used to |
/* Sort by LMA first, since this is the address used to |
3751 |
place the section into a segment. */ |
place the section into a segment. */ |
3763 |
|
|
3764 |
/* Put !SEC_LOAD sections after SEC_LOAD ones. */ |
/* Put !SEC_LOAD sections after SEC_LOAD ones. */ |
3765 |
|
|
3766 |
#define TOEND(x) (((x)->flags & SEC_LOAD) == 0) |
#define TOEND(x) (((x)->flags & (SEC_LOAD | SEC_THREAD_LOCAL)) == 0) |
3767 |
|
|
3768 |
if (TOEND (sec1)) |
if (TOEND (sec1)) |
3769 |
{ |
{ |
3785 |
/* Sort by size, to put zero sized sections |
/* Sort by size, to put zero sized sections |
3786 |
before others at the same address. */ |
before others at the same address. */ |
3787 |
|
|
3788 |
if (sec1->_raw_size < sec2->_raw_size) |
size1 = (sec1->flags & SEC_LOAD) ? sec1->size : 0; |
3789 |
|
size2 = (sec2->flags & SEC_LOAD) ? sec2->size : 0; |
3790 |
|
|
3791 |
|
if (size1 < size2) |
3792 |
return -1; |
return -1; |
3793 |
if (sec1->_raw_size > sec2->_raw_size) |
if (size1 > size2) |
3794 |
return 1; |
return 1; |
3795 |
|
|
3796 |
return sec1->target_index - sec2->target_index; |
return sec1->target_index - sec2->target_index; |
3797 |
} |
} |
3798 |
|
|
3799 |
|
/* Ian Lance Taylor writes: |
3800 |
|
|
3801 |
|
We shouldn't be using % with a negative signed number. That's just |
3802 |
|
not good. We have to make sure either that the number is not |
3803 |
|
negative, or that the number has an unsigned type. When the types |
3804 |
|
are all the same size they wind up as unsigned. When file_ptr is a |
3805 |
|
larger signed type, the arithmetic winds up as signed long long, |
3806 |
|
which is wrong. |
3807 |
|
|
3808 |
|
What we're trying to say here is something like ``increase OFF by |
3809 |
|
the least amount that will cause it to be equal to the VMA modulo |
3810 |
|
the page size.'' */ |
3811 |
|
/* In other words, something like: |
3812 |
|
|
3813 |
|
vma_offset = m->sections[0]->vma % bed->maxpagesize; |
3814 |
|
off_offset = off % bed->maxpagesize; |
3815 |
|
if (vma_offset < off_offset) |
3816 |
|
adjustment = vma_offset + bed->maxpagesize - off_offset; |
3817 |
|
else |
3818 |
|
adjustment = vma_offset - off_offset; |
3819 |
|
|
3820 |
|
which can can be collapsed into the expression below. */ |
3821 |
|
|
3822 |
|
static file_ptr |
3823 |
|
vma_page_aligned_bias (bfd_vma vma, ufile_ptr off, bfd_vma maxpagesize) |
3824 |
|
{ |
3825 |
|
return ((vma - off) % maxpagesize); |
3826 |
|
} |
3827 |
|
|
3828 |
/* Assign file positions to the sections based on the mapping from |
/* Assign file positions to the sections based on the mapping from |
3829 |
sections to segments. This function also sets up some fields in |
sections to segments. This function also sets up some fields in |
3830 |
the file header, and writes out the program headers. */ |
the file header, and writes out the program headers. */ |
3831 |
|
|
3832 |
static boolean |
static bfd_boolean |
3833 |
assign_file_positions_for_segments (abfd) |
assign_file_positions_for_segments (bfd *abfd, struct bfd_link_info *link_info) |
|
bfd *abfd; |
|
3834 |
{ |
{ |
3835 |
const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
3836 |
unsigned int count; |
unsigned int count; |
3846 |
if (elf_tdata (abfd)->segment_map == NULL) |
if (elf_tdata (abfd)->segment_map == NULL) |
3847 |
{ |
{ |
3848 |
if (! map_sections_to_segments (abfd)) |
if (! map_sections_to_segments (abfd)) |
3849 |
return false; |
return FALSE; |
3850 |
} |
} |
3851 |
else |
else |
3852 |
{ |
{ |
3882 |
|
|
3883 |
if (bed->elf_backend_modify_segment_map) |
if (bed->elf_backend_modify_segment_map) |
3884 |
{ |
{ |
3885 |
if (! (*bed->elf_backend_modify_segment_map) (abfd)) |
if (! (*bed->elf_backend_modify_segment_map) (abfd, link_info)) |
3886 |
return false; |
return FALSE; |
3887 |
} |
} |
3888 |
|
|
3889 |
count = 0; |
count = 0; |
3895 |
elf_elfheader (abfd)->e_phnum = count; |
elf_elfheader (abfd)->e_phnum = count; |
3896 |
|
|
3897 |
if (count == 0) |
if (count == 0) |
3898 |
return true; |
{ |
3899 |
|
elf_tdata (abfd)->next_file_pos = bed->s->sizeof_ehdr; |
3900 |
|
return TRUE; |
3901 |
|
} |
3902 |
|
|
3903 |
/* If we already counted the number of program segments, make sure |
/* If we already counted the number of program segments, make sure |
3904 |
that we allocated enough space. This happens when SIZEOF_HEADERS |
that we allocated enough space. This happens when SIZEOF_HEADERS |
3907 |
if (alloc != 0 && count > alloc) |
if (alloc != 0 && count > alloc) |
3908 |
{ |
{ |
3909 |
((*_bfd_error_handler) |
((*_bfd_error_handler) |
3910 |
(_("%s: Not enough room for program headers (allocated %u, need %u)"), |
(_("%B: Not enough room for program headers (allocated %u, need %u)"), |
3911 |
bfd_get_filename (abfd), alloc, count)); |
abfd, alloc, count)); |
3912 |
bfd_set_error (bfd_error_bad_value); |
bfd_set_error (bfd_error_bad_value); |
3913 |
return false; |
return FALSE; |
3914 |
} |
} |
3915 |
|
|
3916 |
if (alloc == 0) |
if (alloc == 0) |
3917 |
alloc = count; |
alloc = count; |
3918 |
|
|
3919 |
amt = alloc * sizeof (Elf_Internal_Phdr); |
amt = alloc * sizeof (Elf_Internal_Phdr); |
3920 |
phdrs = (Elf_Internal_Phdr *) bfd_alloc (abfd, amt); |
phdrs = bfd_alloc (abfd, amt); |
3921 |
if (phdrs == NULL) |
if (phdrs == NULL) |
3922 |
return false; |
return FALSE; |
3923 |
|
|
3924 |
off = bed->s->sizeof_ehdr; |
off = bed->s->sizeof_ehdr; |
3925 |
off += alloc * bed->s->sizeof_phdr; |
off += alloc * bed->s->sizeof_phdr; |
3947 |
qsort (m->sections, (size_t) m->count, sizeof (asection *), |
qsort (m->sections, (size_t) m->count, sizeof (asection *), |
3948 |
elf_sort_sections); |
elf_sort_sections); |
3949 |
|
|
3950 |
|
/* An ELF segment (described by Elf_Internal_Phdr) may contain a |
3951 |
|
number of sections with contents contributing to both p_filesz |
3952 |
|
and p_memsz, followed by a number of sections with no contents |
3953 |
|
that just contribute to p_memsz. In this loop, OFF tracks next |
3954 |
|
available file offset for PT_LOAD and PT_NOTE segments. VOFF is |
3955 |
|
an adjustment we use for segments that have no file contents |
3956 |
|
but need zero filled memory allocation. */ |
3957 |
|
voff = 0; |
3958 |
p->p_type = m->p_type; |
p->p_type = m->p_type; |
3959 |
p->p_flags = m->p_flags; |
p->p_flags = m->p_flags; |
3960 |
|
|
3961 |
if (p->p_type == PT_LOAD |
if (p->p_type == PT_LOAD |
3962 |
&& m->count > 0 |
&& m->count > 0) |
|
&& (m->sections[0]->flags & SEC_ALLOC) != 0) |
|
3963 |
{ |
{ |
3964 |
|
bfd_size_type align; |
3965 |
|
bfd_vma adjust; |
3966 |
|
|
3967 |
if ((abfd->flags & D_PAGED) != 0) |
if ((abfd->flags & D_PAGED) != 0) |
3968 |
off += (m->sections[0]->vma - off) % bed->maxpagesize; |
align = bed->maxpagesize; |
3969 |
else |
else |
3970 |
{ |
{ |
3971 |
bfd_size_type align; |
unsigned int align_power = 0; |
|
|
|
|
align = 0; |
|
3972 |
for (i = 0, secpp = m->sections; i < m->count; i++, secpp++) |
for (i = 0, secpp = m->sections; i < m->count; i++, secpp++) |
3973 |
{ |
{ |
3974 |
bfd_size_type secalign; |
unsigned int secalign; |
3975 |
|
|
3976 |
secalign = bfd_get_section_alignment (abfd, *secpp); |
secalign = bfd_get_section_alignment (abfd, *secpp); |
3977 |
if (secalign > align) |
if (secalign > align_power) |
3978 |
align = secalign; |
align_power = secalign; |
3979 |
} |
} |
3980 |
|
align = (bfd_size_type) 1 << align_power; |
3981 |
|
} |
3982 |
|
|
3983 |
off += (m->sections[0]->vma - off) % (1 << align); |
adjust = vma_page_aligned_bias (m->sections[0]->vma, off, align); |
3984 |
|
off += adjust; |
3985 |
|
if (adjust != 0 |
3986 |
|
&& !m->includes_filehdr |
3987 |
|
&& !m->includes_phdrs |
3988 |
|
&& (ufile_ptr) off >= align) |
3989 |
|
{ |
3990 |
|
/* If the first section isn't loadable, the same holds for |
3991 |
|
any other sections. Since the segment won't need file |
3992 |
|
space, we can make p_offset overlap some prior segment. |
3993 |
|
However, .tbss is special. If a segment starts with |
3994 |
|
.tbss, we need to look at the next section to decide |
3995 |
|
whether the segment has any loadable sections. */ |
3996 |
|
i = 0; |
3997 |
|
while ((m->sections[i]->flags & SEC_LOAD) == 0) |
3998 |
|
{ |
3999 |
|
if ((m->sections[i]->flags & SEC_THREAD_LOCAL) == 0 |
4000 |
|
|| ++i >= m->count) |
4001 |
|
{ |
4002 |
|
off -= adjust; |
4003 |
|
voff = adjust - align; |
4004 |
|
break; |
4005 |
|
} |
4006 |
|
} |
4007 |
} |
} |
4008 |
} |
} |
4009 |
|
/* Make sure the .dynamic section is the first section in the |
4010 |
|
PT_DYNAMIC segment. */ |
4011 |
|
else if (p->p_type == PT_DYNAMIC |
4012 |
|
&& m->count > 1 |
4013 |
|
&& strcmp (m->sections[0]->name, ".dynamic") != 0) |
4014 |
|
{ |
4015 |
|
_bfd_error_handler |
4016 |
|
(_("%B: The first section in the PT_DYNAMIC segment is not the .dynamic section"), |
4017 |
|
abfd); |
4018 |
|
bfd_set_error (bfd_error_bad_value); |
4019 |
|
return FALSE; |
4020 |
|
} |
4021 |
|
|
4022 |
if (m->count == 0) |
if (m->count == 0) |
4023 |
p->p_vaddr = 0; |
p->p_vaddr = 0; |
4035 |
&& (abfd->flags & D_PAGED) != 0) |
&& (abfd->flags & D_PAGED) != 0) |
4036 |
p->p_align = bed->maxpagesize; |
p->p_align = bed->maxpagesize; |
4037 |
else if (m->count == 0) |
else if (m->count == 0) |
4038 |
p->p_align = bed->s->file_align; |
p->p_align = 1 << bed->s->log_file_align; |
4039 |
else |
else |
4040 |
p->p_align = 0; |
p->p_align = 0; |
4041 |
|
|
4057 |
if (p->p_vaddr < (bfd_vma) off) |
if (p->p_vaddr < (bfd_vma) off) |
4058 |
{ |
{ |
4059 |
(*_bfd_error_handler) |
(*_bfd_error_handler) |
4060 |
(_("%s: Not enough room for program headers, try linking with -N"), |
(_("%B: Not enough room for program headers, try linking with -N"), |
4061 |
bfd_get_filename (abfd)); |
abfd); |
4062 |
bfd_set_error (bfd_error_bad_value); |
bfd_set_error (bfd_error_bad_value); |
4063 |
return false; |
return FALSE; |
4064 |
} |
} |
4065 |
|
|
4066 |
p->p_vaddr -= off; |
p->p_vaddr -= off; |
4116 |
|| (p->p_type == PT_NOTE && bfd_get_format (abfd) == bfd_core)) |
|| (p->p_type == PT_NOTE && bfd_get_format (abfd) == bfd_core)) |
4117 |
{ |
{ |
4118 |
if (! m->includes_filehdr && ! m->includes_phdrs) |
if (! m->includes_filehdr && ! m->includes_phdrs) |
4119 |
p->p_offset = off; |
p->p_offset = off + voff; |
4120 |
else |
else |
4121 |
{ |
{ |
4122 |
file_ptr adjust; |
file_ptr adjust; |
4127 |
} |
} |
4128 |
} |
} |
4129 |
|
|
|
voff = off; |
|
|
|
|
4130 |
for (i = 0, secpp = m->sections; i < m->count; i++, secpp++) |
for (i = 0, secpp = m->sections; i < m->count; i++, secpp++) |
4131 |
{ |
{ |
4132 |
asection *sec; |
asection *sec; |
4137 |
flags = sec->flags; |
flags = sec->flags; |
4138 |
align = 1 << bfd_get_section_alignment (abfd, sec); |
align = 1 << bfd_get_section_alignment (abfd, sec); |
4139 |
|
|
4140 |
/* The section may have artificial alignment forced by a |
if (p->p_type == PT_LOAD |
4141 |
link script. Notice this case by the gap between the |
|| p->p_type == PT_TLS) |
|
cumulative phdr lma and the section's lma. */ |
|
|
if (p->p_paddr + p->p_memsz < sec->lma) |
|
|
{ |
|
|
bfd_vma adjust = sec->lma - (p->p_paddr + p->p_memsz); |
|
|
|
|
|
p->p_memsz += adjust; |
|
|
off += adjust; |
|
|
voff += adjust; |
|
|
if ((flags & SEC_LOAD) != 0) |
|
|
p->p_filesz += adjust; |
|
|
} |
|
|
|
|
|
if (p->p_type == PT_LOAD) |
|
4142 |
{ |
{ |
4143 |
bfd_signed_vma adjust; |
bfd_signed_vma adjust; |
4144 |
|
|
4145 |
if ((flags & SEC_LOAD) != 0) |
if ((flags & SEC_LOAD) != 0) |
4146 |
{ |
{ |
4147 |
adjust = sec->lma - (p->p_paddr + p->p_memsz); |
adjust = sec->lma - (p->p_paddr + p->p_filesz); |
4148 |
if (adjust < 0) |
if (adjust < 0) |
4149 |
adjust = 0; |
{ |
4150 |
|
(*_bfd_error_handler) |
4151 |
|
(_("%B: section %A lma 0x%lx overlaps previous sections"), |
4152 |
|
abfd, sec, (unsigned long) sec->lma); |
4153 |
|
adjust = 0; |
4154 |
|
} |
4155 |
|
off += adjust; |
4156 |
|
p->p_filesz += adjust; |
4157 |
|
p->p_memsz += adjust; |
4158 |
} |
} |
4159 |
else if ((flags & SEC_ALLOC) != 0) |
/* .tbss is special. It doesn't contribute to p_memsz of |
4160 |
|
normal segments. */ |
4161 |
|
else if ((flags & SEC_THREAD_LOCAL) == 0 |
4162 |
|
|| p->p_type == PT_TLS) |
4163 |
{ |
{ |
4164 |
/* The section VMA must equal the file position |
/* The section VMA must equal the file position |
4165 |
modulo the page size. FIXME: I'm not sure if |
modulo the page size. */ |
4166 |
this adjustment is really necessary. We used to |
bfd_size_type page = align; |
|
not have the SEC_LOAD case just above, and then |
|
|
this was necessary, but now I'm not sure. */ |
|
4167 |
if ((abfd->flags & D_PAGED) != 0) |
if ((abfd->flags & D_PAGED) != 0) |
4168 |
adjust = (sec->vma - voff) % bed->maxpagesize; |
page = bed->maxpagesize; |
4169 |
else |
adjust = vma_page_aligned_bias (sec->vma, |
4170 |
adjust = (sec->vma - voff) % align; |
p->p_vaddr + p->p_memsz, |
4171 |
} |
page); |
|
else |
|
|
adjust = 0; |
|
|
|
|
|
if (adjust != 0) |
|
|
{ |
|
|
if (i == 0) |
|
|
{ |
|
|
(* _bfd_error_handler) (_("\ |
|
|
Error: First section in segment (%s) starts at 0x%x whereas the segment starts at 0x%x"), |
|
|
bfd_section_name (abfd, sec), |
|
|
sec->lma, |
|
|
p->p_paddr); |
|
|
return false; |
|
|
} |
|
4172 |
p->p_memsz += adjust; |
p->p_memsz += adjust; |
|
off += adjust; |
|
|
voff += adjust; |
|
|
if ((flags & SEC_LOAD) != 0) |
|
|
p->p_filesz += adjust; |
|
4173 |
} |
} |
|
|
|
|
sec->filepos = off; |
|
|
|
|
|
/* We check SEC_HAS_CONTENTS here because if NOLOAD is |
|
|
used in a linker script we may have a section with |
|
|
SEC_LOAD clear but which is supposed to have |
|
|
contents. */ |
|
|
if ((flags & SEC_LOAD) != 0 |
|
|
|| (flags & SEC_HAS_CONTENTS) != 0) |
|
|
off += sec->_raw_size; |
|
|
|
|
|
if ((flags & SEC_ALLOC) != 0) |
|
|
voff += sec->_raw_size; |
|
4174 |
} |
} |
4175 |
|
|
4176 |
if (p->p_type == PT_NOTE && bfd_get_format (abfd) == bfd_core) |
if (p->p_type == PT_NOTE && bfd_get_format (abfd) == bfd_core) |
4177 |
{ |
{ |
4178 |
/* The actual "note" segment has i == 0. |
/* The section at i == 0 is the one that actually contains |
4179 |
This is the one that actually contains everything. */ |
everything. */ |
4180 |
if (i == 0) |
if (i == 0) |
4181 |
{ |
{ |
4182 |
sec->filepos = off; |
sec->filepos = off; |
4183 |
p->p_filesz = sec->_raw_size; |
off += sec->size; |
4184 |
off += sec->_raw_size; |
p->p_filesz = sec->size; |
4185 |
voff = off; |
p->p_memsz = 0; |
4186 |
|
p->p_align = 1; |
4187 |
} |
} |
4188 |
else |
else |
4189 |
{ |
{ |
4190 |
/* Fake sections -- don't need to be written. */ |
/* The rest are fake sections that shouldn't be written. */ |
4191 |
sec->filepos = 0; |
sec->filepos = 0; |
4192 |
sec->_raw_size = 0; |
sec->size = 0; |
4193 |
flags = sec->flags = 0; |
sec->flags = 0; |
4194 |
|
continue; |
4195 |
} |
} |
|
p->p_memsz = 0; |
|
|
p->p_align = 1; |
|
4196 |
} |
} |
4197 |
else |
else |
4198 |
{ |
{ |
4199 |
p->p_memsz += sec->_raw_size; |
if (p->p_type == PT_LOAD) |
4200 |
|
{ |
4201 |
|
sec->filepos = off; |
4202 |
|
/* FIXME: The SEC_HAS_CONTENTS test here dates back to |
4203 |
|
1997, and the exact reason for it isn't clear. One |
4204 |
|
plausible explanation is that it is to work around |
4205 |
|
a problem we have with linker scripts using data |
4206 |
|
statements in NOLOAD sections. I don't think it |
4207 |
|
makes a great deal of sense to have such a section |
4208 |
|
assigned to a PT_LOAD segment, but apparently |
4209 |
|
people do this. The data statement results in a |
4210 |
|
bfd_data_link_order being built, and these need |
4211 |
|
section contents to write into. Eventually, we get |
4212 |
|
to _bfd_elf_write_object_contents which writes any |
4213 |
|
section with contents to the output. Make room |
4214 |
|
here for the write, so that following segments are |
4215 |
|
not trashed. */ |
4216 |
|
if ((flags & SEC_LOAD) != 0 |
4217 |
|
|| (flags & SEC_HAS_CONTENTS) != 0) |
4218 |
|
off += sec->size; |
4219 |
|
} |
4220 |
|
|
4221 |
if ((flags & SEC_LOAD) != 0) |
if ((flags & SEC_LOAD) != 0) |
4222 |
p->p_filesz += sec->_raw_size; |
{ |
4223 |
|
p->p_filesz += sec->size; |
4224 |
|
p->p_memsz += sec->size; |
4225 |
|
} |
4226 |
|
/* PR ld/594: Sections in note segments which are not loaded |
4227 |
|
contribute to the file size but not the in-memory size. */ |
4228 |
|
else if (p->p_type == PT_NOTE |
4229 |
|
&& (flags & SEC_HAS_CONTENTS) != 0) |
4230 |
|
p->p_filesz += sec->size; |
4231 |
|
|
4232 |
|
/* .tbss is special. It doesn't contribute to p_memsz of |
4233 |
|
normal segments. */ |
4234 |
|
else if ((flags & SEC_THREAD_LOCAL) == 0 |
4235 |
|
|| p->p_type == PT_TLS) |
4236 |
|
p->p_memsz += sec->size; |
4237 |
|
|
4238 |
if (p->p_type == PT_TLS |
if (p->p_type == PT_TLS |
4239 |
&& sec->_raw_size == 0 |
&& sec->size == 0 |
4240 |
&& (sec->flags & SEC_HAS_CONTENTS) == 0) |
&& (sec->flags & SEC_HAS_CONTENTS) == 0) |
4241 |
{ |
{ |
4242 |
struct bfd_link_order *o; |
struct bfd_link_order *o; |
4274 |
if (p->p_type != PT_LOAD && m->count > 0) |
if (p->p_type != PT_LOAD && m->count > 0) |
4275 |
{ |
{ |
4276 |
BFD_ASSERT (! m->includes_filehdr && ! m->includes_phdrs); |
BFD_ASSERT (! m->includes_filehdr && ! m->includes_phdrs); |
4277 |
|
/* If the section has not yet been assigned a file position, |
4278 |
|
do so now. The ARM BPABI requires that .dynamic section |
4279 |
|
not be marked SEC_ALLOC because it is not part of any |
4280 |
|
PT_LOAD segment, so it will not be processed above. */ |
4281 |
|
if (p->p_type == PT_DYNAMIC && m->sections[0]->filepos == 0) |
4282 |
|
{ |
4283 |
|
unsigned int i; |
4284 |
|
Elf_Internal_Shdr ** const i_shdrpp = elf_elfsections (abfd); |
4285 |
|
|
4286 |
|
i = 1; |
4287 |
|
while (i_shdrpp[i]->bfd_section != m->sections[0]) |
4288 |
|
++i; |
4289 |
|
off = (_bfd_elf_assign_file_position_for_section |
4290 |
|
(i_shdrpp[i], off, TRUE)); |
4291 |
|
p->p_filesz = m->sections[0]->size; |
4292 |
|
} |
4293 |
p->p_offset = m->sections[0]->filepos; |
p->p_offset = m->sections[0]->filepos; |
4294 |
} |
} |
4295 |
if (m->count == 0) |
if (m->count == 0) |
4306 |
if (! m->p_paddr_valid) |
if (! m->p_paddr_valid) |
4307 |
p->p_paddr = phdrs_paddr; |
p->p_paddr = phdrs_paddr; |
4308 |
} |
} |
4309 |
|
else if (p->p_type == PT_GNU_RELRO) |
4310 |
|
{ |
4311 |
|
Elf_Internal_Phdr *lp; |
4312 |
|
|
4313 |
|
for (lp = phdrs; lp < phdrs + count; ++lp) |
4314 |
|
{ |
4315 |
|
if (lp->p_type == PT_LOAD |
4316 |
|
&& lp->p_vaddr <= link_info->relro_end |
4317 |
|
&& lp->p_vaddr >= link_info->relro_start |
4318 |
|
&& lp->p_vaddr + lp->p_filesz |
4319 |
|
>= link_info->relro_end) |
4320 |
|
break; |
4321 |
|
} |
4322 |
|
|
4323 |
|
if (lp < phdrs + count |
4324 |
|
&& link_info->relro_end > lp->p_vaddr) |
4325 |
|
{ |
4326 |
|
p->p_vaddr = lp->p_vaddr; |
4327 |
|
p->p_paddr = lp->p_paddr; |
4328 |
|
p->p_offset = lp->p_offset; |
4329 |
|
p->p_filesz = link_info->relro_end - lp->p_vaddr; |
4330 |
|
p->p_memsz = p->p_filesz; |
4331 |
|
p->p_align = 1; |
4332 |
|
p->p_flags = (lp->p_flags & ~PF_W); |
4333 |
|
} |
4334 |
|
else |
4335 |
|
{ |
4336 |
|
memset (p, 0, sizeof *p); |
4337 |
|
p->p_type = PT_NULL; |
4338 |
|
} |
4339 |
|
} |
4340 |
} |
} |
4341 |
} |
} |
4342 |
|
|
|
/* If additional nonloadable filepos adjustments are required, |
|
|
do them now. */ |
|
|
if (bed->set_nonloadable_filepos) |
|
|
(*bed->set_nonloadable_filepos) (abfd, phdrs); |
|
|
|
|
4343 |
/* Clear out any program headers we allocated but did not use. */ |
/* Clear out any program headers we allocated but did not use. */ |
4344 |
for (; count < alloc; count++, p++) |
for (; count < alloc; count++, p++) |
4345 |
{ |
{ |
4354 |
/* Write out the program headers. */ |
/* Write out the program headers. */ |
4355 |
if (bfd_seek (abfd, (bfd_signed_vma) bed->s->sizeof_ehdr, SEEK_SET) != 0 |
if (bfd_seek (abfd, (bfd_signed_vma) bed->s->sizeof_ehdr, SEEK_SET) != 0 |
4356 |
|| bed->s->write_out_phdrs (abfd, phdrs, alloc) != 0) |
|| bed->s->write_out_phdrs (abfd, phdrs, alloc) != 0) |
4357 |
return false; |
return FALSE; |
4358 |
|
|
4359 |
return true; |
return TRUE; |
4360 |
} |
} |
4361 |
|
|
4362 |
/* Get the size of the program header. |
/* Get the size of the program header. |
4371 |
will be two segments. */ |
will be two segments. */ |
4372 |
|
|
4373 |
static bfd_size_type |
static bfd_size_type |
4374 |
get_program_header_size (abfd) |
get_program_header_size (bfd *abfd) |
|
bfd *abfd; |
|
4375 |
{ |
{ |
4376 |
size_t segs; |
size_t segs; |
4377 |
asection *s; |
asection *s; |
4378 |
struct elf_backend_data *bed = get_elf_backend_data (abfd); |
const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
4379 |
|
|
4380 |
/* We can't return a different result each time we're called. */ |
/* We can't return a different result each time we're called. */ |
4381 |
if (elf_tdata (abfd)->program_header_size != 0) |
if (elf_tdata (abfd)->program_header_size != 0) |
4412 |
++segs; |
++segs; |
4413 |
} |
} |
4414 |
|
|
4415 |
if (elf_tdata (abfd)->eh_frame_hdr |
if (elf_tdata (abfd)->eh_frame_hdr) |
|
&& bfd_get_section_by_name (abfd, ".eh_frame_hdr") != NULL) |
|
4416 |
{ |
{ |
4417 |
/* We need a PT_GNU_EH_FRAME segment. */ |
/* We need a PT_GNU_EH_FRAME segment. */ |
4418 |
++segs; |
++segs; |
4419 |
} |
} |
4420 |
|
|
4421 |
|
if (elf_tdata (abfd)->stack_flags) |
4422 |
|
{ |
4423 |
|
/* We need a PT_GNU_STACK segment. */ |
4424 |
|
++segs; |
4425 |
|
} |
4426 |
|
|
4427 |
|
if (elf_tdata (abfd)->relro) |
4428 |
|
{ |
4429 |
|
/* We need a PT_GNU_RELRO segment. */ |
4430 |
|
++segs; |
4431 |
|
} |
4432 |
|
|
4433 |
for (s = abfd->sections; s != NULL; s = s->next) |
for (s = abfd->sections; s != NULL; s = s->next) |
4434 |
{ |
{ |
4435 |
if ((s->flags & SEC_LOAD) != 0 |
if ((s->flags & SEC_LOAD) != 0 |
4469 |
_bfd_elf_compute_section_file_positions. All the section sizes and |
_bfd_elf_compute_section_file_positions. All the section sizes and |
4470 |
VMAs must be known before this is called. |
VMAs must be known before this is called. |
4471 |
|
|
4472 |
We do not consider reloc sections at this point, unless they form |
Reloc sections come in two flavours: Those processed specially as |
4473 |
part of the loadable image. Reloc sections are assigned file |
"side-channel" data attached to a section to which they apply, and |
4474 |
positions in assign_file_positions_for_relocs, which is called by |
those that bfd doesn't process as relocations. The latter sort are |
4475 |
write_object_contents and final_link. |
stored in a normal bfd section by bfd_section_from_shdr. We don't |
4476 |
|
consider the former sort here, unless they form part of the loadable |
4477 |
|
image. Reloc sections not assigned here will be handled later by |
4478 |
|
assign_file_positions_for_relocs. |
4479 |
|
|
4480 |
We also don't set the positions of the .symtab and .strtab here. */ |
We also don't set the positions of the .symtab and .strtab here. */ |
4481 |
|
|
4482 |
static boolean |
static bfd_boolean |
4483 |
assign_file_positions_except_relocs (abfd) |
assign_file_positions_except_relocs (bfd *abfd, |
4484 |
bfd *abfd; |
struct bfd_link_info *link_info) |
4485 |
{ |
{ |
4486 |
struct elf_obj_tdata * const tdata = elf_tdata (abfd); |
struct elf_obj_tdata * const tdata = elf_tdata (abfd); |
4487 |
Elf_Internal_Ehdr * const i_ehdrp = elf_elfheader (abfd); |
Elf_Internal_Ehdr * const i_ehdrp = elf_elfheader (abfd); |
4488 |
Elf_Internal_Shdr ** const i_shdrpp = elf_elfsections (abfd); |
Elf_Internal_Shdr ** const i_shdrpp = elf_elfsections (abfd); |
4489 |
unsigned int num_sec = elf_numsections (abfd); |
unsigned int num_sec = elf_numsections (abfd); |
4490 |
file_ptr off; |
file_ptr off; |
4491 |
struct elf_backend_data *bed = get_elf_backend_data (abfd); |
const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
4492 |
|
|
4493 |
if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0 |
if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0 |
4494 |
&& bfd_get_format (abfd) != bfd_core) |
&& bfd_get_format (abfd) != bfd_core) |
4507 |
Elf_Internal_Shdr *hdr; |
Elf_Internal_Shdr *hdr; |
4508 |
|
|
4509 |
hdr = *hdrpp; |
hdr = *hdrpp; |
4510 |
if (hdr->sh_type == SHT_REL |
if (((hdr->sh_type == SHT_REL || hdr->sh_type == SHT_RELA) |
4511 |
|| hdr->sh_type == SHT_RELA |
&& hdr->bfd_section == NULL) |
4512 |
|| i == tdata->symtab_section |
|| i == tdata->symtab_section |
4513 |
|| i == tdata->symtab_shndx_section |
|| i == tdata->symtab_shndx_section |
4514 |
|| i == tdata->strtab_section) |
|| i == tdata->strtab_section) |
4516 |
hdr->sh_offset = -1; |
hdr->sh_offset = -1; |
4517 |
} |
} |
4518 |
else |
else |
4519 |
off = _bfd_elf_assign_file_position_for_section (hdr, off, true); |
off = _bfd_elf_assign_file_position_for_section (hdr, off, TRUE); |
4520 |
|
|
4521 |
if (i == SHN_LORESERVE - 1) |
if (i == SHN_LORESERVE - 1) |
4522 |
{ |
{ |
4532 |
|
|
4533 |
/* Assign file positions for the loaded sections based on the |
/* Assign file positions for the loaded sections based on the |
4534 |
assignment of sections to segments. */ |
assignment of sections to segments. */ |
4535 |
if (! assign_file_positions_for_segments (abfd)) |
if (! assign_file_positions_for_segments (abfd, link_info)) |
4536 |
return false; |
return FALSE; |
4537 |
|
|
4538 |
/* Assign file positions for the other sections. */ |
/* Assign file positions for the other sections. */ |
4539 |
|
|
4549 |
else if ((hdr->sh_flags & SHF_ALLOC) != 0) |
else if ((hdr->sh_flags & SHF_ALLOC) != 0) |
4550 |
{ |
{ |
4551 |
((*_bfd_error_handler) |
((*_bfd_error_handler) |
4552 |
(_("%s: warning: allocated section `%s' not in segment"), |
(_("%B: warning: allocated section `%s' not in segment"), |
4553 |
bfd_get_filename (abfd), |
abfd, |
4554 |
(hdr->bfd_section == NULL |
(hdr->bfd_section == NULL |
4555 |
? "*unknown*" |
? "*unknown*" |
4556 |
: hdr->bfd_section->name))); |
: hdr->bfd_section->name))); |
4557 |
if ((abfd->flags & D_PAGED) != 0) |
if ((abfd->flags & D_PAGED) != 0) |
4558 |
off += (hdr->sh_addr - off) % bed->maxpagesize; |
off += vma_page_aligned_bias (hdr->sh_addr, off, |
4559 |
|
bed->maxpagesize); |
4560 |
else |
else |
4561 |
off += (hdr->sh_addr - off) % hdr->sh_addralign; |
off += vma_page_aligned_bias (hdr->sh_addr, off, |
4562 |
|
hdr->sh_addralign); |
4563 |
off = _bfd_elf_assign_file_position_for_section (hdr, off, |
off = _bfd_elf_assign_file_position_for_section (hdr, off, |
4564 |
false); |
FALSE); |
4565 |
} |
} |
4566 |
else if (hdr->sh_type == SHT_REL |
else if (((hdr->sh_type == SHT_REL || hdr->sh_type == SHT_RELA) |
4567 |
|| hdr->sh_type == SHT_RELA |
&& hdr->bfd_section == NULL) |
4568 |
|| hdr == i_shdrpp[tdata->symtab_section] |
|| hdr == i_shdrpp[tdata->symtab_section] |
4569 |
|| hdr == i_shdrpp[tdata->symtab_shndx_section] |
|| hdr == i_shdrpp[tdata->symtab_shndx_section] |
4570 |
|| hdr == i_shdrpp[tdata->strtab_section]) |
|| hdr == i_shdrpp[tdata->strtab_section]) |
4571 |
hdr->sh_offset = -1; |
hdr->sh_offset = -1; |
4572 |
else |
else |
4573 |
off = _bfd_elf_assign_file_position_for_section (hdr, off, true); |
off = _bfd_elf_assign_file_position_for_section (hdr, off, TRUE); |
4574 |
|
|
4575 |
if (i == SHN_LORESERVE - 1) |
if (i == SHN_LORESERVE - 1) |
4576 |
{ |
{ |
4581 |
} |
} |
4582 |
|
|
4583 |
/* Place the section headers. */ |
/* Place the section headers. */ |
4584 |
off = align_file_position (off, bed->s->file_align); |
off = align_file_position (off, 1 << bed->s->log_file_align); |
4585 |
i_ehdrp->e_shoff = off; |
i_ehdrp->e_shoff = off; |
4586 |
off += i_ehdrp->e_shnum * i_ehdrp->e_shentsize; |
off += i_ehdrp->e_shnum * i_ehdrp->e_shentsize; |
4587 |
|
|
4588 |
elf_tdata (abfd)->next_file_pos = off; |
elf_tdata (abfd)->next_file_pos = off; |
4589 |
|
|
4590 |
return true; |
return TRUE; |
4591 |
} |
} |
4592 |
|
|
4593 |
static boolean |
static bfd_boolean |
4594 |
prep_headers (abfd) |
prep_headers (bfd *abfd) |
|
bfd *abfd; |
|
4595 |
{ |
{ |
4596 |
Elf_Internal_Ehdr *i_ehdrp; /* Elf file header, internal form */ |
Elf_Internal_Ehdr *i_ehdrp; /* Elf file header, internal form */ |
4597 |
Elf_Internal_Phdr *i_phdrp = 0; /* Program header table, internal form */ |
Elf_Internal_Phdr *i_phdrp = 0; /* Program header table, internal form */ |
4598 |
Elf_Internal_Shdr **i_shdrp; /* Section header table, internal form */ |
Elf_Internal_Shdr **i_shdrp; /* Section header table, internal form */ |
4599 |
struct elf_strtab_hash *shstrtab; |
struct elf_strtab_hash *shstrtab; |
4600 |
struct elf_backend_data *bed = get_elf_backend_data (abfd); |
const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
4601 |
|
|
4602 |
i_ehdrp = elf_elfheader (abfd); |
i_ehdrp = elf_elfheader (abfd); |
4603 |
i_shdrp = elf_elfsections (abfd); |
i_shdrp = elf_elfsections (abfd); |
4604 |
|
|
4605 |
shstrtab = _bfd_elf_strtab_init (); |
shstrtab = _bfd_elf_strtab_init (); |
4606 |
if (shstrtab == NULL) |
if (shstrtab == NULL) |
4607 |
return false; |
return FALSE; |
4608 |
|
|
4609 |
elf_shstrtab (abfd) = shstrtab; |
elf_shstrtab (abfd) = shstrtab; |
4610 |
|
|
4642 |
Such need can generally be supplied by replacing the tests for |
Such need can generally be supplied by replacing the tests for |
4643 |
e_machine with the conditions used to determine it. */ |
e_machine with the conditions used to determine it. */ |
4644 |
default: |
default: |
4645 |
if (get_elf_backend_data (abfd) != NULL) |
i_ehdrp->e_machine = bed->elf_machine_code; |
4646 |
i_ehdrp->e_machine = get_elf_backend_data (abfd)->elf_machine_code; |
} |
|
else |
|
|
i_ehdrp->e_machine = EM_NONE; |
|
|
} |
|
4647 |
|
|
4648 |
i_ehdrp->e_version = bed->s->ev_current; |
i_ehdrp->e_version = bed->s->ev_current; |
4649 |
i_ehdrp->e_ehsize = bed->s->sizeof_ehdr; |
i_ehdrp->e_ehsize = bed->s->sizeof_ehdr; |
4659 |
|
|
4660 |
/* If we're building an executable, we'll need a program header table. */ |
/* If we're building an executable, we'll need a program header table. */ |
4661 |
if (abfd->flags & EXEC_P) |
if (abfd->flags & EXEC_P) |
4662 |
{ |
/* It all happens later. */ |
4663 |
/* It all happens later. */ |
; |
|
#if 0 |
|
|
i_ehdrp->e_phentsize = sizeof (Elf_External_Phdr); |
|
|
|
|
|
/* elf_build_phdrs() returns a (NULL-terminated) array of |
|
|
Elf_Internal_Phdrs. */ |
|
|
i_phdrp = elf_build_phdrs (abfd, i_ehdrp, i_shdrp, &i_ehdrp->e_phnum); |
|
|
i_ehdrp->e_phoff = outbase; |
|
|
outbase += i_ehdrp->e_phentsize * i_ehdrp->e_phnum; |
|
|
#endif |
|
|
} |
|
4664 |
else |
else |
4665 |
{ |
{ |
4666 |
i_ehdrp->e_phentsize = 0; |
i_ehdrp->e_phentsize = 0; |
4669 |
} |
} |
4670 |
|
|
4671 |
elf_tdata (abfd)->symtab_hdr.sh_name = |
elf_tdata (abfd)->symtab_hdr.sh_name = |
4672 |
(unsigned int) _bfd_elf_strtab_add (shstrtab, ".symtab", false); |
(unsigned int) _bfd_elf_strtab_add (shstrtab, ".symtab", FALSE); |
4673 |
elf_tdata (abfd)->strtab_hdr.sh_name = |
elf_tdata (abfd)->strtab_hdr.sh_name = |
4674 |
(unsigned int) _bfd_elf_strtab_add (shstrtab, ".strtab", false); |
(unsigned int) _bfd_elf_strtab_add (shstrtab, ".strtab", FALSE); |
4675 |
elf_tdata (abfd)->shstrtab_hdr.sh_name = |
elf_tdata (abfd)->shstrtab_hdr.sh_name = |
4676 |
(unsigned int) _bfd_elf_strtab_add (shstrtab, ".shstrtab", false); |
(unsigned int) _bfd_elf_strtab_add (shstrtab, ".shstrtab", FALSE); |
4677 |
if (elf_tdata (abfd)->symtab_hdr.sh_name == (unsigned int) -1 |
if (elf_tdata (abfd)->symtab_hdr.sh_name == (unsigned int) -1 |
4678 |
|| elf_tdata (abfd)->symtab_hdr.sh_name == (unsigned int) -1 |
|| elf_tdata (abfd)->symtab_hdr.sh_name == (unsigned int) -1 |
4679 |
|| elf_tdata (abfd)->shstrtab_hdr.sh_name == (unsigned int) -1) |
|| elf_tdata (abfd)->shstrtab_hdr.sh_name == (unsigned int) -1) |
4680 |
return false; |
return FALSE; |
4681 |
|
|
4682 |
return true; |
return TRUE; |
4683 |
} |
} |
4684 |
|
|
4685 |
/* Assign file positions for all the reloc sections which are not part |
/* Assign file positions for all the reloc sections which are not part |
4686 |
of the loadable file image. */ |
of the loadable file image. */ |
4687 |
|
|
4688 |
void |
void |
4689 |
_bfd_elf_assign_file_positions_for_relocs (abfd) |
_bfd_elf_assign_file_positions_for_relocs (bfd *abfd) |
|
bfd *abfd; |
|
4690 |
{ |
{ |
4691 |
file_ptr off; |
file_ptr off; |
4692 |
unsigned int i, num_sec; |
unsigned int i, num_sec; |
4702 |
shdrp = *shdrpp; |
shdrp = *shdrpp; |
4703 |
if ((shdrp->sh_type == SHT_REL || shdrp->sh_type == SHT_RELA) |
if ((shdrp->sh_type == SHT_REL || shdrp->sh_type == SHT_RELA) |
4704 |
&& shdrp->sh_offset == -1) |
&& shdrp->sh_offset == -1) |
4705 |
off = _bfd_elf_assign_file_position_for_section (shdrp, off, true); |
off = _bfd_elf_assign_file_position_for_section (shdrp, off, TRUE); |
4706 |
} |
} |
4707 |
|
|
4708 |
elf_tdata (abfd)->next_file_pos = off; |
elf_tdata (abfd)->next_file_pos = off; |
4709 |
} |
} |
4710 |
|
|
4711 |
boolean |
bfd_boolean |
4712 |
_bfd_elf_write_object_contents (abfd) |
_bfd_elf_write_object_contents (bfd *abfd) |
|
bfd *abfd; |
|
4713 |
{ |
{ |
4714 |
struct elf_backend_data *bed = get_elf_backend_data (abfd); |
const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
4715 |
Elf_Internal_Ehdr *i_ehdrp; |
Elf_Internal_Ehdr *i_ehdrp; |
4716 |
Elf_Internal_Shdr **i_shdrp; |
Elf_Internal_Shdr **i_shdrp; |
4717 |
boolean failed; |
bfd_boolean failed; |
4718 |
unsigned int count, num_sec; |
unsigned int count, num_sec; |
4719 |
|
|
4720 |
if (! abfd->output_has_begun |
if (! abfd->output_has_begun |
4721 |
&& ! _bfd_elf_compute_section_file_positions |
&& ! _bfd_elf_compute_section_file_positions (abfd, NULL)) |
4722 |
(abfd, (struct bfd_link_info *) NULL)) |
return FALSE; |
|
return false; |
|
4723 |
|
|
4724 |
i_shdrp = elf_elfsections (abfd); |
i_shdrp = elf_elfsections (abfd); |
4725 |
i_ehdrp = elf_elfheader (abfd); |
i_ehdrp = elf_elfheader (abfd); |
4726 |
|
|
4727 |
failed = false; |
failed = FALSE; |
4728 |
bfd_map_over_sections (abfd, bed->s->write_relocs, &failed); |
bfd_map_over_sections (abfd, bed->s->write_relocs, &failed); |
4729 |
if (failed) |
if (failed) |
4730 |
return false; |
return FALSE; |
4731 |
|
|
4732 |
_bfd_elf_assign_file_positions_for_relocs (abfd); |
_bfd_elf_assign_file_positions_for_relocs (abfd); |
4733 |
|
|
4743 |
|
|
4744 |
if (bfd_seek (abfd, i_shdrp[count]->sh_offset, SEEK_SET) != 0 |
if (bfd_seek (abfd, i_shdrp[count]->sh_offset, SEEK_SET) != 0 |
4745 |
|| bfd_bwrite (i_shdrp[count]->contents, amt, abfd) != amt) |
|| bfd_bwrite (i_shdrp[count]->contents, amt, abfd) != amt) |
4746 |
return false; |
return FALSE; |
4747 |
} |
} |
4748 |
if (count == SHN_LORESERVE - 1) |
if (count == SHN_LORESERVE - 1) |
4749 |
count += SHN_HIRESERVE + 1 - SHN_LORESERVE; |
count += SHN_HIRESERVE + 1 - SHN_LORESERVE; |
4752 |
/* Write out the section header names. */ |
/* Write out the section header names. */ |
4753 |
if (bfd_seek (abfd, elf_tdata (abfd)->shstrtab_hdr.sh_offset, SEEK_SET) != 0 |
if (bfd_seek (abfd, elf_tdata (abfd)->shstrtab_hdr.sh_offset, SEEK_SET) != 0 |
4754 |
|| ! _bfd_elf_strtab_emit (abfd, elf_shstrtab (abfd))) |
|| ! _bfd_elf_strtab_emit (abfd, elf_shstrtab (abfd))) |
4755 |
return false; |
return FALSE; |
4756 |
|
|
4757 |
if (bed->elf_backend_final_write_processing) |
if (bed->elf_backend_final_write_processing) |
4758 |
(*bed->elf_backend_final_write_processing) (abfd, |
(*bed->elf_backend_final_write_processing) (abfd, |
4761 |
return bed->s->write_shdrs_and_ehdr (abfd); |
return bed->s->write_shdrs_and_ehdr (abfd); |
4762 |
} |
} |
4763 |
|
|
4764 |
boolean |
bfd_boolean |
4765 |
_bfd_elf_write_corefile_contents (abfd) |
_bfd_elf_write_corefile_contents (bfd *abfd) |
|
bfd *abfd; |
|
4766 |
{ |
{ |
4767 |
/* Hopefully this can be done just like an object file. */ |
/* Hopefully this can be done just like an object file. */ |
4768 |
return _bfd_elf_write_object_contents (abfd); |
return _bfd_elf_write_object_contents (abfd); |
4771 |
/* Given a section, search the header to find them. */ |
/* Given a section, search the header to find them. */ |
4772 |
|
|
4773 |
int |
int |
4774 |
_bfd_elf_section_from_bfd_section (abfd, asect) |
_bfd_elf_section_from_bfd_section (bfd *abfd, struct bfd_section *asect) |
|
bfd *abfd; |
|
|
struct sec *asect; |
|
4775 |
{ |
{ |
4776 |
struct elf_backend_data *bed; |
const struct elf_backend_data *bed; |
4777 |
int index; |
int index; |
4778 |
|
|
4779 |
if (elf_section_data (asect) != NULL |
if (elf_section_data (asect) != NULL |
4820 |
on error. */ |
on error. */ |
4821 |
|
|
4822 |
int |
int |
4823 |
_bfd_elf_symbol_from_bfd_symbol (abfd, asym_ptr_ptr) |
_bfd_elf_symbol_from_bfd_symbol (bfd *abfd, asymbol **asym_ptr_ptr) |
|
bfd *abfd; |
|
|
asymbol **asym_ptr_ptr; |
|
4824 |
{ |
{ |
4825 |
asymbol *asym_ptr = *asym_ptr_ptr; |
asymbol *asym_ptr = *asym_ptr_ptr; |
4826 |
int idx; |
int idx; |
4853 |
/* This case can occur when using --strip-symbol on a symbol |
/* This case can occur when using --strip-symbol on a symbol |
4854 |
which is used in a relocation entry. */ |
which is used in a relocation entry. */ |
4855 |
(*_bfd_error_handler) |
(*_bfd_error_handler) |
4856 |
(_("%s: symbol `%s' required but not present"), |
(_("%B: symbol `%s' required but not present"), |
4857 |
bfd_archive_filename (abfd), bfd_asymbol_name (asym_ptr)); |
abfd, bfd_asymbol_name (asym_ptr)); |
4858 |
bfd_set_error (bfd_error_no_symbols); |
bfd_set_error (bfd_error_no_symbols); |
4859 |
return -1; |
return -1; |
4860 |
} |
} |
4874 |
|
|
4875 |
/* Copy private BFD data. This copies any program header information. */ |
/* Copy private BFD data. This copies any program header information. */ |
4876 |
|
|
4877 |
static boolean |
static bfd_boolean |
4878 |
copy_private_bfd_data (ibfd, obfd) |
copy_private_bfd_data (bfd *ibfd, bfd *obfd) |
4879 |
bfd *ibfd; |
{ |
4880 |
bfd *obfd; |
Elf_Internal_Ehdr *iehdr; |
4881 |
{ |
struct elf_segment_map *map; |
4882 |
Elf_Internal_Ehdr * iehdr; |
struct elf_segment_map *map_first; |
4883 |
struct elf_segment_map * map; |
struct elf_segment_map **pointer_to_map; |
4884 |
struct elf_segment_map * map_first; |
Elf_Internal_Phdr *segment; |
4885 |
struct elf_segment_map ** pointer_to_map; |
asection *section; |
4886 |
Elf_Internal_Phdr * segment; |
unsigned int i; |
4887 |
asection * section; |
unsigned int num_segments; |
4888 |
unsigned int i; |
bfd_boolean phdr_included = FALSE; |
4889 |
unsigned int num_segments; |
bfd_vma maxpagesize; |
4890 |
boolean phdr_included = false; |
struct elf_segment_map *phdr_adjust_seg = NULL; |
4891 |
bfd_vma maxpagesize; |
unsigned int phdr_adjust_num = 0; |
4892 |
struct elf_segment_map * phdr_adjust_seg = NULL; |
const struct elf_backend_data *bed; |
|
unsigned int phdr_adjust_num = 0; |
|
|
struct elf_backend_data * bed; |
|
4893 |
|
|
4894 |
if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour |
if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour |
4895 |
|| bfd_get_flavour (obfd) != bfd_target_elf_flavour) |
|| bfd_get_flavour (obfd) != bfd_target_elf_flavour) |
4896 |
return true; |
return TRUE; |
4897 |
|
|
4898 |
if (elf_tdata (ibfd)->phdr == NULL) |
if (elf_tdata (ibfd)->phdr == NULL) |
4899 |
return true; |
return TRUE; |
4900 |
|
|
4901 |
bed = get_elf_backend_data (ibfd); |
bed = get_elf_backend_data (ibfd); |
4902 |
iehdr = elf_elfheader (ibfd); |
iehdr = elf_elfheader (ibfd); |
4912 |
(start + (segment->p_memsz > segment->p_filesz \ |
(start + (segment->p_memsz > segment->p_filesz \ |
4913 |
? segment->p_memsz : segment->p_filesz)) |
? segment->p_memsz : segment->p_filesz)) |
4914 |
|
|
4915 |
/* Returns true if the given section is contained within |
#define SECTION_SIZE(section, segment) \ |
4916 |
|
(((section->flags & (SEC_HAS_CONTENTS | SEC_THREAD_LOCAL)) \ |
4917 |
|
!= SEC_THREAD_LOCAL || segment->p_type == PT_TLS) \ |
4918 |
|
? section->size : 0) |
4919 |
|
|
4920 |
|
/* Returns TRUE if the given section is contained within |
4921 |
the given segment. VMA addresses are compared. */ |
the given segment. VMA addresses are compared. */ |
4922 |
#define IS_CONTAINED_BY_VMA(section, segment) \ |
#define IS_CONTAINED_BY_VMA(section, segment) \ |
4923 |
(section->vma >= segment->p_vaddr \ |
(section->vma >= segment->p_vaddr \ |
4924 |
&& (section->vma + section->_raw_size \ |
&& (section->vma + SECTION_SIZE (section, segment) \ |
4925 |
<= (SEGMENT_END (segment, segment->p_vaddr)))) |
<= (SEGMENT_END (segment, segment->p_vaddr)))) |
4926 |
|
|
4927 |
/* Returns true if the given section is contained within |
/* Returns TRUE if the given section is contained within |
4928 |
the given segment. LMA addresses are compared. */ |
the given segment. LMA addresses are compared. */ |
4929 |
#define IS_CONTAINED_BY_LMA(section, segment, base) \ |
#define IS_CONTAINED_BY_LMA(section, segment, base) \ |
4930 |
(section->lma >= base \ |
(section->lma >= base \ |
4931 |
&& (section->lma + section->_raw_size \ |
&& (section->lma + SECTION_SIZE (section, segment) \ |
4932 |
<= SEGMENT_END (segment, base))) |
<= SEGMENT_END (segment, base))) |
4933 |
|
|
|
/* Returns true if the given section is contained within the |
|
|
given segment. Filepos addresses are compared in an elf |
|
|
backend function. */ |
|
|
#define IS_CONTAINED_BY_FILEPOS(sec, seg, bed) \ |
|
|
(bed->is_contained_by_filepos \ |
|
|
&& (*bed->is_contained_by_filepos) (sec, seg)) |
|
|
|
|
4934 |
/* Special case: corefile "NOTE" section containing regs, prpsinfo etc. */ |
/* Special case: corefile "NOTE" section containing regs, prpsinfo etc. */ |
4935 |
#define IS_COREFILE_NOTE(p, s) \ |
#define IS_COREFILE_NOTE(p, s) \ |
4936 |
(p->p_type == PT_NOTE \ |
(p->p_type == PT_NOTE \ |
4937 |
&& bfd_get_format (ibfd) == bfd_core \ |
&& bfd_get_format (ibfd) == bfd_core \ |
4938 |
&& s->vma == 0 && s->lma == 0 \ |
&& s->vma == 0 && s->lma == 0 \ |
4939 |
&& (bfd_vma) s->filepos >= p->p_offset \ |
&& (bfd_vma) s->filepos >= p->p_offset \ |
4940 |
&& ((bfd_vma) s->filepos + s->_raw_size \ |
&& ((bfd_vma) s->filepos + s->size \ |
4941 |
<= p->p_offset + p->p_filesz)) |
<= p->p_offset + p->p_filesz)) |
4942 |
|
|
4943 |
/* The complicated case when p_vaddr is 0 is to handle the Solaris |
/* The complicated case when p_vaddr is 0 is to handle the Solaris |
4949 |
&& p->p_memsz == 0 \ |
&& p->p_memsz == 0 \ |
4950 |
&& p->p_filesz > 0 \ |
&& p->p_filesz > 0 \ |
4951 |
&& (s->flags & SEC_HAS_CONTENTS) != 0 \ |
&& (s->flags & SEC_HAS_CONTENTS) != 0 \ |
4952 |
&& s->_raw_size > 0 \ |
&& s->size > 0 \ |
4953 |
&& (bfd_vma) s->filepos >= p->p_offset \ |
&& (bfd_vma) s->filepos >= p->p_offset \ |
4954 |
&& ((bfd_vma) s->filepos + s->_raw_size \ |
&& ((bfd_vma) s->filepos + s->size \ |
4955 |
<= p->p_offset + p->p_filesz)) |
<= p->p_offset + p->p_filesz)) |
4956 |
|
|
4957 |
/* Decide if the given section should be included in the given segment. |
/* Decide if the given section should be included in the given segment. |
4960 |
if that is set for the segment and the VMA otherwise, |
if that is set for the segment and the VMA otherwise, |
4961 |
2. It is an allocated segment, |
2. It is an allocated segment, |
4962 |
3. There is an output section associated with it, |
3. There is an output section associated with it, |
4963 |
4. The section has not already been allocated to a previous segment. */ |
4. The section has not already been allocated to a previous segment. |
4964 |
|
5. PT_GNU_STACK segments do not include any sections. |
4965 |
|
6. PT_TLS segment includes only SHF_TLS sections. |
4966 |
|
7. SHF_TLS sections are only in PT_TLS or PT_LOAD segments. |
4967 |
|
8. PT_DYNAMIC should not contain empty sections at the beginning |
4968 |
|
(with the possible exception of .dynamic). */ |
4969 |
#define INCLUDE_SECTION_IN_SEGMENT(section, segment, bed) \ |
#define INCLUDE_SECTION_IN_SEGMENT(section, segment, bed) \ |
4970 |
((((segment->p_paddr \ |
((((segment->p_paddr \ |
4971 |
? IS_CONTAINED_BY_LMA (section, segment, segment->p_paddr) \ |
? IS_CONTAINED_BY_LMA (section, segment, segment->p_paddr) \ |
4972 |
: IS_CONTAINED_BY_VMA (section, segment)) \ |
: IS_CONTAINED_BY_VMA (section, segment)) \ |
4973 |
&& (section->flags & SEC_ALLOC) != 0) \ |
&& (section->flags & SEC_ALLOC) != 0) \ |
4974 |
|| IS_COREFILE_NOTE (segment, section) \ |
|| IS_COREFILE_NOTE (segment, section)) \ |
|
|| (IS_CONTAINED_BY_FILEPOS (section, segment, bed) \ |
|
|
&& (section->flags & SEC_ALLOC) == 0)) \ |
|
4975 |
&& section->output_section != NULL \ |
&& section->output_section != NULL \ |
4976 |
|
&& segment->p_type != PT_GNU_STACK \ |
4977 |
|
&& (segment->p_type != PT_TLS \ |
4978 |
|
|| (section->flags & SEC_THREAD_LOCAL)) \ |
4979 |
|
&& (segment->p_type == PT_LOAD \ |
4980 |
|
|| segment->p_type == PT_TLS \ |
4981 |
|
|| (section->flags & SEC_THREAD_LOCAL) == 0) \ |
4982 |
|
&& (segment->p_type != PT_DYNAMIC \ |
4983 |
|
|| SECTION_SIZE (section, segment) > 0 \ |
4984 |
|
|| (segment->p_paddr \ |
4985 |
|
? segment->p_paddr != section->lma \ |
4986 |
|
: segment->p_vaddr != section->vma) \ |
4987 |
|
|| (strcmp (bfd_get_section_name (ibfd, section), ".dynamic") \ |
4988 |
|
== 0)) \ |
4989 |
&& ! section->segment_mark) |
&& ! section->segment_mark) |
4990 |
|
|
4991 |
/* Returns true iff seg1 starts after the end of seg2. */ |
/* Returns TRUE iff seg1 starts after the end of seg2. */ |
4992 |
#define SEGMENT_AFTER_SEGMENT(seg1, seg2) \ |
#define SEGMENT_AFTER_SEGMENT(seg1, seg2, field) \ |
4993 |
(seg1->p_vaddr >= SEGMENT_END (seg2, seg2->p_vaddr)) |
(seg1->field >= SEGMENT_END (seg2, seg2->field)) |
4994 |
|
|
4995 |
/* Returns true iff seg1 and seg2 overlap. */ |
/* Returns TRUE iff seg1 and seg2 overlap. Segments overlap iff both |
4996 |
|
their VMA address ranges and their LMA address ranges overlap. |
4997 |
|
It is possible to have overlapping VMA ranges without overlapping LMA |
4998 |
|
ranges. RedBoot images for example can have both .data and .bss mapped |
4999 |
|
to the same VMA range, but with the .data section mapped to a different |
5000 |
|
LMA. */ |
5001 |
#define SEGMENT_OVERLAPS(seg1, seg2) \ |
#define SEGMENT_OVERLAPS(seg1, seg2) \ |
5002 |
(!(SEGMENT_AFTER_SEGMENT (seg1, seg2) \ |
( !(SEGMENT_AFTER_SEGMENT (seg1, seg2, p_vaddr) \ |
5003 |
|| SEGMENT_AFTER_SEGMENT (seg2, seg1))) |
|| SEGMENT_AFTER_SEGMENT (seg2, seg1, p_vaddr)) \ |
5004 |
|
&& !(SEGMENT_AFTER_SEGMENT (seg1, seg2, p_paddr) \ |
5005 |
|
|| SEGMENT_AFTER_SEGMENT (seg2, seg1, p_paddr))) |
5006 |
|
|
5007 |
/* Initialise the segment mark field. */ |
/* Initialise the segment mark field. */ |
5008 |
for (section = ibfd->sections; section != NULL; section = section->next) |
for (section = ibfd->sections; section != NULL; section = section->next) |
5009 |
section->segment_mark = false; |
section->segment_mark = FALSE; |
5010 |
|
|
5011 |
/* Scan through the segments specified in the program header |
/* Scan through the segments specified in the program header |
5012 |
of the input BFD. For this first scan we look for overlaps |
of the input BFD. For this first scan we look for overlaps |
5024 |
if (IS_SOLARIS_PT_INTERP (segment, section)) |
if (IS_SOLARIS_PT_INTERP (segment, section)) |
5025 |
{ |
{ |
5026 |
/* Mininal change so that the normal section to segment |
/* Mininal change so that the normal section to segment |
5027 |
assigment code will work. */ |
assignment code will work. */ |
5028 |
segment->p_vaddr = section->vma; |
segment->p_vaddr = section->vma; |
5029 |
break; |
break; |
5030 |
} |
} |
5100 |
continue; |
continue; |
5101 |
|
|
5102 |
/* Compute how many sections might be placed into this segment. */ |
/* Compute how many sections might be placed into this segment. */ |
5103 |
section_count = 0; |
for (section = ibfd->sections, section_count = 0; |
5104 |
for (section = ibfd->sections; section != NULL; section = section->next) |
section != NULL; |
5105 |
|
section = section->next) |
5106 |
if (INCLUDE_SECTION_IN_SEGMENT (section, segment, bed)) |
if (INCLUDE_SECTION_IN_SEGMENT (section, segment, bed)) |
5107 |
++section_count; |
++section_count; |
5108 |
|
|
5109 |
/* Allocate a segment map big enough to contain all of the |
/* Allocate a segment map big enough to contain |
5110 |
sections we have selected. */ |
all of the sections we have selected. */ |
5111 |
amt = sizeof (struct elf_segment_map); |
amt = sizeof (struct elf_segment_map); |
5112 |
amt += ((bfd_size_type) section_count - 1) * sizeof (asection *); |
amt += ((bfd_size_type) section_count - 1) * sizeof (asection *); |
5113 |
map = (struct elf_segment_map *) bfd_alloc (obfd, amt); |
map = bfd_alloc (obfd, amt); |
5114 |
if (map == NULL) |
if (map == NULL) |
5115 |
return false; |
return FALSE; |
5116 |
|
|
5117 |
/* Initialise the fields of the segment map. Default to |
/* Initialise the fields of the segment map. Default to |
5118 |
using the physical address of the segment in the input BFD. */ |
using the physical address of the segment in the input BFD. */ |
5139 |
+ iehdr->e_phnum * iehdr->e_phentsize))); |
+ iehdr->e_phnum * iehdr->e_phentsize))); |
5140 |
|
|
5141 |
if (segment->p_type == PT_LOAD && map->includes_phdrs) |
if (segment->p_type == PT_LOAD && map->includes_phdrs) |
5142 |
phdr_included = true; |
phdr_included = TRUE; |
5143 |
} |
} |
5144 |
|
|
5145 |
if (section_count == 0) |
if (section_count == 0) |
5150 |
a warning is produced. */ |
a warning is produced. */ |
5151 |
if (segment->p_type == PT_LOAD) |
if (segment->p_type == PT_LOAD) |
5152 |
(*_bfd_error_handler) |
(*_bfd_error_handler) |
5153 |
(_("%s: warning: Empty loadable segment detected, is this intentional ?\n"), |
(_("%B: warning: Empty loadable segment detected, is this intentional ?\n"), |
5154 |
bfd_archive_filename (ibfd)); |
ibfd); |
5155 |
|
|
5156 |
map->count = 0; |
map->count = 0; |
5157 |
*pointer_to_map = map; |
*pointer_to_map = map; |
5179 |
and possibly its LMA changed, and a new segment or segments will |
and possibly its LMA changed, and a new segment or segments will |
5180 |
have to be created to contain the other sections. |
have to be created to contain the other sections. |
5181 |
|
|
5182 |
4. The sections have been moved, but not be the same amount. |
4. The sections have been moved, but not by the same amount. |
5183 |
In this case we can change the segment's LMA to match the LMA |
In this case we can change the segment's LMA to match the LMA |
5184 |
of the first section and we will have to create a new segment |
of the first section and we will have to create a new segment |
5185 |
or segments to contain the other sections. |
or segments to contain the other sections. |
5191 |
/* Gcc 2.96 miscompiles this code on mips. Don't do casting here |
/* Gcc 2.96 miscompiles this code on mips. Don't do casting here |
5192 |
to work around this long long bug. */ |
to work around this long long bug. */ |
5193 |
amt = section_count * sizeof (asection *); |
amt = section_count * sizeof (asection *); |
5194 |
sections = (asection **) bfd_malloc (amt); |
sections = bfd_malloc (amt); |
5195 |
if (sections == NULL) |
if (sections == NULL) |
5196 |
return false; |
return FALSE; |
5197 |
|
|
5198 |
/* Step One: Scan for segment vs section LMA conflicts. |
/* Step One: Scan for segment vs section LMA conflicts. |
5199 |
Also add the sections to the section array allocated above. |
Also add the sections to the section array allocated above. |
5217 |
|
|
5218 |
/* The Solaris native linker always sets p_paddr to 0. |
/* The Solaris native linker always sets p_paddr to 0. |
5219 |
We try to catch that case here, and set it to the |
We try to catch that case here, and set it to the |
5220 |
correct value. */ |
correct value. Note - some backends require that |
5221 |
|
p_paddr be left as zero. */ |
5222 |
if (segment->p_paddr == 0 |
if (segment->p_paddr == 0 |
5223 |
&& segment->p_vaddr != 0 |
&& segment->p_vaddr != 0 |
5224 |
|
&& (! bed->want_p_paddr_set_to_zero) |
5225 |
&& isec == 0 |
&& isec == 0 |
5226 |
&& output_section->lma != 0 |
&& output_section->lma != 0 |
5227 |
&& (output_section->vma == (segment->p_vaddr |
&& (output_section->vma == (segment->p_vaddr |
5237 |
/* Match up the physical address of the segment with the |
/* Match up the physical address of the segment with the |
5238 |
LMA address of the output section. */ |
LMA address of the output section. */ |
5239 |
if (IS_CONTAINED_BY_LMA (output_section, segment, map->p_paddr) |
if (IS_CONTAINED_BY_LMA (output_section, segment, map->p_paddr) |
5240 |
|| IS_CONTAINED_BY_FILEPOS (section, segment, bed) |
|| IS_COREFILE_NOTE (segment, section) |
5241 |
|| IS_COREFILE_NOTE (segment, section)) |
|| (bed->want_p_paddr_set_to_zero && |
5242 |
|
IS_CONTAINED_BY_VMA (output_section, segment)) |
5243 |
|
) |
5244 |
{ |
{ |
5245 |
if (matching_lma == 0) |
if (matching_lma == 0) |
5246 |
matching_lma = output_section->lma; |
matching_lma = output_section->lma; |
5358 |
/* If the gap between the end of the previous section |
/* If the gap between the end of the previous section |
5359 |
and the start of this section is more than |
and the start of this section is more than |
5360 |
maxpagesize then we need to start a new segment. */ |
maxpagesize then we need to start a new segment. */ |
5361 |
if ((BFD_ALIGN (prev_sec->lma + prev_sec->_raw_size, |
if ((BFD_ALIGN (prev_sec->lma + prev_sec->size, |
5362 |
maxpagesize) |
maxpagesize) |
5363 |
< BFD_ALIGN (output_section->lma, maxpagesize)) |
< BFD_ALIGN (output_section->lma, maxpagesize)) |
5364 |
|| ((prev_sec->lma + prev_sec->_raw_size) |
|| ((prev_sec->lma + prev_sec->size) |
5365 |
> output_section->lma)) |
> output_section->lma)) |
5366 |
{ |
{ |
5367 |
if (suggested_lma == 0) |
if (suggested_lma == 0) |
5374 |
map->sections[map->count++] = output_section; |
map->sections[map->count++] = output_section; |
5375 |
++isec; |
++isec; |
5376 |
sections[j] = NULL; |
sections[j] = NULL; |
5377 |
section->segment_mark = true; |
section->segment_mark = TRUE; |
5378 |
} |
} |
5379 |
else if (suggested_lma == 0) |
else if (suggested_lma == 0) |
5380 |
suggested_lma = output_section->lma; |
suggested_lma = output_section->lma; |
5393 |
and carry on looping. */ |
and carry on looping. */ |
5394 |
amt = sizeof (struct elf_segment_map); |
amt = sizeof (struct elf_segment_map); |
5395 |
amt += ((bfd_size_type) section_count - 1) * sizeof (asection *); |
amt += ((bfd_size_type) section_count - 1) * sizeof (asection *); |
5396 |
map = (struct elf_segment_map *) bfd_alloc (obfd, amt); |
map = bfd_alloc (obfd, amt); |
5397 |
if (map == NULL) |
if (map == NULL) |
5398 |
return false; |
{ |
5399 |
|
free (sections); |
5400 |
|
return FALSE; |
5401 |
|
} |
5402 |
|
|
5403 |
/* Initialise the fields of the segment map. Set the physical |
/* Initialise the fields of the segment map. Set the physical |
5404 |
physical address to the LMA of the first section that has |
physical address to the LMA of the first section that has |
5426 |
if (map->p_paddr != 0) |
if (map->p_paddr != 0) |
5427 |
break; |
break; |
5428 |
if (map == NULL) |
if (map == NULL) |
5429 |
{ |
for (map = map_first; map != NULL; map = map->next) |
5430 |
for (map = map_first; map != NULL; map = map->next) |
map->p_paddr_valid = 0; |
|
map->p_paddr_valid = 0; |
|
|
} |
|
5431 |
|
|
5432 |
elf_tdata (obfd)->segment_map = map_first; |
elf_tdata (obfd)->segment_map = map_first; |
5433 |
|
|
5446 |
-= (count - phdr_adjust_num) * iehdr->e_phentsize; |
-= (count - phdr_adjust_num) * iehdr->e_phentsize; |
5447 |
} |
} |
5448 |
|
|
|
#if 0 |
|
|
/* Final Step: Sort the segments into ascending order of physical |
|
|
address. */ |
|
|
if (map_first != NULL) |
|
|
{ |
|
|
struct elf_segment_map *prev; |
|
|
|
|
|
prev = map_first; |
|
|
for (map = map_first->next; map != NULL; prev = map, map = map->next) |
|
|
{ |
|
|
/* Yes I know - its a bubble sort.... */ |
|
|
if (map->next != NULL && (map->next->p_paddr < map->p_paddr)) |
|
|
{ |
|
|
/* Swap map and map->next. */ |
|
|
prev->next = map->next; |
|
|
map->next = map->next->next; |
|
|
prev->next->next = map; |
|
|
|
|
|
/* Restart loop. */ |
|
|
map = map_first; |
|
|
} |
|
|
} |
|
|
} |
|
|
#endif |
|
|
|
|
5449 |
#undef SEGMENT_END |
#undef SEGMENT_END |
5450 |
|
#undef SECTION_SIZE |
5451 |
#undef IS_CONTAINED_BY_VMA |
#undef IS_CONTAINED_BY_VMA |
5452 |
#undef IS_CONTAINED_BY_LMA |
#undef IS_CONTAINED_BY_LMA |
|
#undef IS_CONTAINED_BY_FILEPOS |
|
5453 |
#undef IS_COREFILE_NOTE |
#undef IS_COREFILE_NOTE |
5454 |
#undef IS_SOLARIS_PT_INTERP |
#undef IS_SOLARIS_PT_INTERP |
5455 |
#undef INCLUDE_SECTION_IN_SEGMENT |
#undef INCLUDE_SECTION_IN_SEGMENT |
5456 |
#undef SEGMENT_AFTER_SEGMENT |
#undef SEGMENT_AFTER_SEGMENT |
5457 |
#undef SEGMENT_OVERLAPS |
#undef SEGMENT_OVERLAPS |
5458 |
return true; |
return TRUE; |
5459 |
} |
} |
5460 |
|
|
5461 |
/* Copy private section information. This copies over the entsize |
/* Copy private section information. This copies over the entsize |
5462 |
field, and sometimes the info field. */ |
field, and sometimes the info field. */ |
5463 |
|
|
5464 |
boolean |
bfd_boolean |
5465 |
_bfd_elf_copy_private_section_data (ibfd, isec, obfd, osec) |
_bfd_elf_copy_private_section_data (bfd *ibfd, |
5466 |
bfd *ibfd; |
asection *isec, |
5467 |
asection *isec; |
bfd *obfd, |
5468 |
bfd *obfd; |
asection *osec) |
|
asection *osec; |
|
5469 |
{ |
{ |
5470 |
Elf_Internal_Shdr *ihdr, *ohdr; |
Elf_Internal_Shdr *ihdr, *ohdr; |
|
const struct elf_backend_data *bed = get_elf_backend_data (ibfd); |
|
5471 |
|
|
5472 |
if (ibfd->xvec->flavour != bfd_target_elf_flavour |
if (ibfd->xvec->flavour != bfd_target_elf_flavour |
5473 |
|| obfd->xvec->flavour != bfd_target_elf_flavour) |
|| obfd->xvec->flavour != bfd_target_elf_flavour) |
5474 |
return true; |
return TRUE; |
|
|
|
|
/* Copy over private BFD data if it has not already been copied. |
|
|
This must be done here, rather than in the copy_private_bfd_data |
|
|
entry point, because the latter is called after the section |
|
|
contents have been set, which means that the program headers have |
|
|
already been worked out. The backend function provides a way to |
|
|
override the test conditions and code path for the call to |
|
|
copy_private_bfd_data. */ |
|
|
if (bed->copy_private_bfd_data_p) |
|
|
{ |
|
|
if ((*bed->copy_private_bfd_data_p) (ibfd, isec, obfd, osec)) |
|
|
if (! copy_private_bfd_data (ibfd, obfd)) |
|
|
return false; |
|
|
} |
|
|
else if (elf_tdata (obfd)->segment_map == NULL && elf_tdata (ibfd)->phdr != NULL) |
|
|
{ |
|
|
asection *s; |
|
|
|
|
|
/* Only set up the segments if there are no more SEC_ALLOC |
|
|
sections. FIXME: This won't do the right thing if objcopy is |
|
|
used to remove the last SEC_ALLOC section, since objcopy |
|
|
won't call this routine in that case. */ |
|
|
for (s = isec->next; s != NULL; s = s->next) |
|
|
if ((s->flags & SEC_ALLOC) != 0) |
|
|
break; |
|
|
if (s == NULL) |
|
|
{ |
|
|
if (! copy_private_bfd_data (ibfd, obfd)) |
|
|
return false; |
|
|
} |
|
|
} |
|
5475 |
|
|
5476 |
ihdr = &elf_section_data (isec)->this_hdr; |
ihdr = &elf_section_data (isec)->this_hdr; |
5477 |
ohdr = &elf_section_data (osec)->this_hdr; |
ohdr = &elf_section_data (osec)->this_hdr; |
5490 |
elf_next_in_group (osec) = elf_next_in_group (isec); |
elf_next_in_group (osec) = elf_next_in_group (isec); |
5491 |
elf_group_name (osec) = elf_group_name (isec); |
elf_group_name (osec) = elf_group_name (isec); |
5492 |
|
|
5493 |
elf_section_data (osec)->use_rela_p |
osec->use_rela_p = isec->use_rela_p; |
|
= elf_section_data (isec)->use_rela_p; |
|
5494 |
|
|
5495 |
return true; |
return TRUE; |
5496 |
|
} |
5497 |
|
|
5498 |
|
/* Copy private header information. */ |
5499 |
|
|
5500 |
|
bfd_boolean |
5501 |
|
_bfd_elf_copy_private_header_data (bfd *ibfd, bfd *obfd) |
5502 |
|
{ |
5503 |
|
if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour |
5504 |
|
|| bfd_get_flavour (obfd) != bfd_target_elf_flavour) |
5505 |
|
return TRUE; |
5506 |
|
|
5507 |
|
/* Copy over private BFD data if it has not already been copied. |
5508 |
|
This must be done here, rather than in the copy_private_bfd_data |
5509 |
|
entry point, because the latter is called after the section |
5510 |
|
contents have been set, which means that the program headers have |
5511 |
|
already been worked out. */ |
5512 |
|
if (elf_tdata (obfd)->segment_map == NULL && elf_tdata (ibfd)->phdr != NULL) |
5513 |
|
{ |
5514 |
|
if (! copy_private_bfd_data (ibfd, obfd)) |
5515 |
|
return FALSE; |
5516 |
|
} |
5517 |
|
|
5518 |
|
return TRUE; |
5519 |
} |
} |
5520 |
|
|
5521 |
/* Copy private symbol information. If this symbol is in a section |
/* Copy private symbol information. If this symbol is in a section |
5530 |
#define MAP_SHSTRTAB (SHN_HIOS + 4) |
#define MAP_SHSTRTAB (SHN_HIOS + 4) |
5531 |
#define MAP_SYM_SHNDX (SHN_HIOS + 5) |
#define MAP_SYM_SHNDX (SHN_HIOS + 5) |
5532 |
|
|
5533 |
boolean |
bfd_boolean |
5534 |
_bfd_elf_copy_private_symbol_data (ibfd, isymarg, obfd, osymarg) |
_bfd_elf_copy_private_symbol_data (bfd *ibfd, |
5535 |
bfd *ibfd; |
asymbol *isymarg, |
5536 |
asymbol *isymarg; |
bfd *obfd, |
5537 |
bfd *obfd; |
asymbol *osymarg) |
|
asymbol *osymarg; |
|
5538 |
{ |
{ |
5539 |
elf_symbol_type *isym, *osym; |
elf_symbol_type *isym, *osym; |
5540 |
|
|
5541 |
if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour |
if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour |
5542 |
|| bfd_get_flavour (obfd) != bfd_target_elf_flavour) |
|| bfd_get_flavour (obfd) != bfd_target_elf_flavour) |
5543 |
return true; |
return TRUE; |
5544 |
|
|
5545 |
isym = elf_symbol_from (ibfd, isymarg); |
isym = elf_symbol_from (ibfd, isymarg); |
5546 |
osym = elf_symbol_from (obfd, osymarg); |
osym = elf_symbol_from (obfd, osymarg); |
5565 |
osym->internal_elf_sym.st_shndx = shndx; |
osym->internal_elf_sym.st_shndx = shndx; |
5566 |
} |
} |
5567 |
|
|
5568 |
return true; |
return TRUE; |
5569 |
} |
} |
5570 |
|
|
5571 |
/* Swap out the symbols. */ |
/* Swap out the symbols. */ |
5572 |
|
|
5573 |
static boolean |
static bfd_boolean |
5574 |
swap_out_syms (abfd, sttp, relocatable_p) |
swap_out_syms (bfd *abfd, |
5575 |
bfd *abfd; |
struct bfd_strtab_hash **sttp, |
5576 |
struct bfd_strtab_hash **sttp; |
int relocatable_p) |
|
int relocatable_p; |
|
5577 |
{ |
{ |
5578 |
struct elf_backend_data *bed; |
const struct elf_backend_data *bed; |
5579 |
int symcount; |
int symcount; |
5580 |
asymbol **syms; |
asymbol **syms; |
5581 |
struct bfd_strtab_hash *stt; |
struct bfd_strtab_hash *stt; |
5582 |
Elf_Internal_Shdr *symtab_hdr; |
Elf_Internal_Shdr *symtab_hdr; |
5583 |
Elf_Internal_Shdr *symtab_shndx_hdr; |
Elf_Internal_Shdr *symtab_shndx_hdr; |
5584 |
Elf_Internal_Shdr *symstrtab_hdr; |
Elf_Internal_Shdr *symstrtab_hdr; |
5585 |
char *outbound_syms; |
bfd_byte *outbound_syms; |
5586 |
char *outbound_shndx; |
bfd_byte *outbound_shndx; |
5587 |
int idx; |
int idx; |
5588 |
bfd_size_type amt; |
bfd_size_type amt; |
5589 |
|
bfd_boolean name_local_sections; |
5590 |
|
|
5591 |
if (!elf_map_symbols (abfd)) |
if (!elf_map_symbols (abfd)) |
5592 |
return false; |
return FALSE; |
5593 |
|
|
5594 |
/* Dump out the symtabs. */ |
/* Dump out the symtabs. */ |
5595 |
stt = _bfd_elf_stringtab_init (); |
stt = _bfd_elf_stringtab_init (); |
5596 |
if (stt == NULL) |
if (stt == NULL) |
5597 |
return false; |
return FALSE; |
5598 |
|
|
5599 |
bed = get_elf_backend_data (abfd); |
bed = get_elf_backend_data (abfd); |
5600 |
symcount = bfd_get_symcount (abfd); |
symcount = bfd_get_symcount (abfd); |
5603 |
symtab_hdr->sh_entsize = bed->s->sizeof_sym; |
symtab_hdr->sh_entsize = bed->s->sizeof_sym; |
5604 |
symtab_hdr->sh_size = symtab_hdr->sh_entsize * (symcount + 1); |
symtab_hdr->sh_size = symtab_hdr->sh_entsize * (symcount + 1); |
5605 |
symtab_hdr->sh_info = elf_num_locals (abfd) + 1; |
symtab_hdr->sh_info = elf_num_locals (abfd) + 1; |
5606 |
symtab_hdr->sh_addralign = bed->s->file_align; |
symtab_hdr->sh_addralign = 1 << bed->s->log_file_align; |
5607 |
|
|
5608 |
symstrtab_hdr = &elf_tdata (abfd)->strtab_hdr; |
symstrtab_hdr = &elf_tdata (abfd)->strtab_hdr; |
5609 |
symstrtab_hdr->sh_type = SHT_STRTAB; |
symstrtab_hdr->sh_type = SHT_STRTAB; |
5611 |
amt = (bfd_size_type) (1 + symcount) * bed->s->sizeof_sym; |
amt = (bfd_size_type) (1 + symcount) * bed->s->sizeof_sym; |
5612 |
outbound_syms = bfd_alloc (abfd, amt); |
outbound_syms = bfd_alloc (abfd, amt); |
5613 |
if (outbound_syms == NULL) |
if (outbound_syms == NULL) |
5614 |
return false; |
{ |
5615 |
symtab_hdr->contents = (PTR) outbound_syms; |
_bfd_stringtab_free (stt); |
5616 |
|
return FALSE; |
5617 |
|
} |
5618 |
|
symtab_hdr->contents = outbound_syms; |
5619 |
|
|
5620 |
outbound_shndx = NULL; |
outbound_shndx = NULL; |
5621 |
symtab_shndx_hdr = &elf_tdata (abfd)->symtab_shndx_hdr; |
symtab_shndx_hdr = &elf_tdata (abfd)->symtab_shndx_hdr; |
5624 |
amt = (bfd_size_type) (1 + symcount) * sizeof (Elf_External_Sym_Shndx); |
amt = (bfd_size_type) (1 + symcount) * sizeof (Elf_External_Sym_Shndx); |
5625 |
outbound_shndx = bfd_zalloc (abfd, amt); |
outbound_shndx = bfd_zalloc (abfd, amt); |
5626 |
if (outbound_shndx == NULL) |
if (outbound_shndx == NULL) |
5627 |
return false; |
{ |
5628 |
|
_bfd_stringtab_free (stt); |
5629 |
|
return FALSE; |
5630 |
|
} |
5631 |
|
|
5632 |
symtab_shndx_hdr->contents = outbound_shndx; |
symtab_shndx_hdr->contents = outbound_shndx; |
5633 |
symtab_shndx_hdr->sh_type = SHT_SYMTAB_SHNDX; |
symtab_shndx_hdr->sh_type = SHT_SYMTAB_SHNDX; |
5634 |
symtab_shndx_hdr->sh_size = amt; |
symtab_shndx_hdr->sh_size = amt; |
5636 |
symtab_shndx_hdr->sh_entsize = sizeof (Elf_External_Sym_Shndx); |
symtab_shndx_hdr->sh_entsize = sizeof (Elf_External_Sym_Shndx); |
5637 |
} |
} |
5638 |
|
|
5639 |
/* now generate the data (for "contents") */ |
/* Now generate the data (for "contents"). */ |
5640 |
{ |
{ |
5641 |
/* Fill in zeroth symbol and swap it out. */ |
/* Fill in zeroth symbol and swap it out. */ |
5642 |
Elf_Internal_Sym sym; |
Elf_Internal_Sym sym; |
5652 |
outbound_shndx += sizeof (Elf_External_Sym_Shndx); |
outbound_shndx += sizeof (Elf_External_Sym_Shndx); |
5653 |
} |
} |
5654 |
|
|
5655 |
|
name_local_sections |
5656 |
|
= (bed->elf_backend_name_local_section_symbols |
5657 |
|
&& bed->elf_backend_name_local_section_symbols (abfd)); |
5658 |
|
|
5659 |
syms = bfd_get_outsymbols (abfd); |
syms = bfd_get_outsymbols (abfd); |
5660 |
for (idx = 0; idx < symcount; idx++) |
for (idx = 0; idx < symcount; idx++) |
5661 |
{ |
{ |
5665 |
flagword flags = syms[idx]->flags; |
flagword flags = syms[idx]->flags; |
5666 |
int type; |
int type; |
5667 |
|
|
5668 |
if ((flags & (BSF_SECTION_SYM | BSF_GLOBAL)) == BSF_SECTION_SYM) |
if (!name_local_sections |
5669 |
|
&& (flags & (BSF_SECTION_SYM | BSF_GLOBAL)) == BSF_SECTION_SYM) |
5670 |
{ |
{ |
5671 |
/* Local section symbols have no name. */ |
/* Local section symbols have no name. */ |
5672 |
sym.st_name = 0; |
sym.st_name = 0; |
5675 |
{ |
{ |
5676 |
sym.st_name = (unsigned long) _bfd_stringtab_add (stt, |
sym.st_name = (unsigned long) _bfd_stringtab_add (stt, |
5677 |
syms[idx]->name, |
syms[idx]->name, |
5678 |
true, false); |
TRUE, FALSE); |
5679 |
if (sym.st_name == (unsigned long) -1) |
if (sym.st_name == (unsigned long) -1) |
5680 |
return false; |
{ |
5681 |
|
_bfd_stringtab_free (stt); |
5682 |
|
return FALSE; |
5683 |
|
} |
5684 |
} |
} |
5685 |
|
|
5686 |
type_ptr = elf_symbol_from (abfd, syms[idx]); |
type_ptr = elf_symbol_from (abfd, syms[idx]); |
5710 |
value += sec->output_offset; |
value += sec->output_offset; |
5711 |
sec = sec->output_section; |
sec = sec->output_section; |
5712 |
} |
} |
5713 |
|
|
5714 |
/* Don't add in the section vma for relocatable output. */ |
/* Don't add in the section vma for relocatable output. */ |
5715 |
if (! relocatable_p) |
if (! relocatable_p) |
5716 |
value += sec->vma; |
value += sec->vma; |
5762 |
section of a symbol to be a section that is |
section of a symbol to be a section that is |
5763 |
actually in the output file. */ |
actually in the output file. */ |
5764 |
sec2 = bfd_get_section_by_name (abfd, sec->name); |
sec2 = bfd_get_section_by_name (abfd, sec->name); |
5765 |
BFD_ASSERT (sec2 != 0); |
if (sec2 == NULL) |
5766 |
|
{ |
5767 |
|
_bfd_error_handler (_("\ |
5768 |
|
Unable to find equivalent output section for symbol '%s' from section '%s'"), |
5769 |
|
syms[idx]->name ? syms[idx]->name : "<Local sym>", |
5770 |
|
sec->name); |
5771 |
|
bfd_set_error (bfd_error_invalid_operation); |
5772 |
|
_bfd_stringtab_free (stt); |
5773 |
|
return FALSE; |
5774 |
|
} |
5775 |
|
|
5776 |
shndx = _bfd_elf_section_from_bfd_section (abfd, sec2); |
shndx = _bfd_elf_section_from_bfd_section (abfd, sec2); |
5777 |
BFD_ASSERT (shndx != -1); |
BFD_ASSERT (shndx != -1); |
5778 |
} |
} |
5793 |
if (syms[idx]->section->flags & SEC_THREAD_LOCAL) |
if (syms[idx]->section->flags & SEC_THREAD_LOCAL) |
5794 |
type = STT_TLS; |
type = STT_TLS; |
5795 |
|
|
5796 |
/* Processor-specific types */ |
/* Processor-specific types. */ |
5797 |
if (type_ptr != NULL |
if (type_ptr != NULL |
5798 |
&& bed->elf_backend_get_symbol_type) |
&& bed->elf_backend_get_symbol_type) |
5799 |
type = ((*bed->elf_backend_get_symbol_type) |
type = ((*bed->elf_backend_get_symbol_type) |
5851 |
symstrtab_hdr->sh_info = 0; |
symstrtab_hdr->sh_info = 0; |
5852 |
symstrtab_hdr->sh_addralign = 1; |
symstrtab_hdr->sh_addralign = 1; |
5853 |
|
|
5854 |
return true; |
return TRUE; |
5855 |
} |
} |
5856 |
|
|
5857 |
/* Return the number of bytes required to hold the symtab vector. |
/* Return the number of bytes required to hold the symtab vector. |
5861 |
always has a dummy entry as symbol #0, so it ends up even. */ |
always has a dummy entry as symbol #0, so it ends up even. */ |
5862 |
|
|
5863 |
long |
long |
5864 |
_bfd_elf_get_symtab_upper_bound (abfd) |
_bfd_elf_get_symtab_upper_bound (bfd *abfd) |
|
bfd *abfd; |
|
5865 |
{ |
{ |
5866 |
long symcount; |
long symcount; |
5867 |
long symtab_size; |
long symtab_size; |
5876 |
} |
} |
5877 |
|
|
5878 |
long |
long |
5879 |
_bfd_elf_get_dynamic_symtab_upper_bound (abfd) |
_bfd_elf_get_dynamic_symtab_upper_bound (bfd *abfd) |
|
bfd *abfd; |
|
5880 |
{ |
{ |
5881 |
long symcount; |
long symcount; |
5882 |
long symtab_size; |
long symtab_size; |
5897 |
} |
} |
5898 |
|
|
5899 |
long |
long |
5900 |
_bfd_elf_get_reloc_upper_bound (abfd, asect) |
_bfd_elf_get_reloc_upper_bound (bfd *abfd ATTRIBUTE_UNUSED, |
5901 |
bfd *abfd ATTRIBUTE_UNUSED; |
sec_ptr asect) |
|
sec_ptr asect; |
|
5902 |
{ |
{ |
5903 |
return (asect->reloc_count + 1) * sizeof (arelent *); |
return (asect->reloc_count + 1) * sizeof (arelent *); |
5904 |
} |
} |
5906 |
/* Canonicalize the relocs. */ |
/* Canonicalize the relocs. */ |
5907 |
|
|
5908 |
long |
long |
5909 |
_bfd_elf_canonicalize_reloc (abfd, section, relptr, symbols) |
_bfd_elf_canonicalize_reloc (bfd *abfd, |
5910 |
bfd *abfd; |
sec_ptr section, |
5911 |
sec_ptr section; |
arelent **relptr, |
5912 |
arelent **relptr; |
asymbol **symbols) |
|
asymbol **symbols; |
|
5913 |
{ |
{ |
5914 |
arelent *tblptr; |
arelent *tblptr; |
5915 |
unsigned int i; |
unsigned int i; |
5916 |
struct elf_backend_data *bed = get_elf_backend_data (abfd); |
const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
5917 |
|
|
5918 |
if (! bed->s->slurp_reloc_table (abfd, section, symbols, false)) |
if (! bed->s->slurp_reloc_table (abfd, section, symbols, FALSE)) |
5919 |
return -1; |
return -1; |
5920 |
|
|
5921 |
tblptr = section->relocation; |
tblptr = section->relocation; |
5928 |
} |
} |
5929 |
|
|
5930 |
long |
long |
5931 |
_bfd_elf_get_symtab (abfd, alocation) |
_bfd_elf_canonicalize_symtab (bfd *abfd, asymbol **allocation) |
|
bfd *abfd; |
|
|
asymbol **alocation; |
|
5932 |
{ |
{ |
5933 |
struct elf_backend_data *bed = get_elf_backend_data (abfd); |
const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
5934 |
long symcount = bed->s->slurp_symbol_table (abfd, alocation, false); |
long symcount = bed->s->slurp_symbol_table (abfd, allocation, FALSE); |
5935 |
|
|
5936 |
if (symcount >= 0) |
if (symcount >= 0) |
5937 |
bfd_get_symcount (abfd) = symcount; |
bfd_get_symcount (abfd) = symcount; |
5939 |
} |
} |
5940 |
|
|
5941 |
long |
long |
5942 |
_bfd_elf_canonicalize_dynamic_symtab (abfd, alocation) |
_bfd_elf_canonicalize_dynamic_symtab (bfd *abfd, |
5943 |
bfd *abfd; |
asymbol **allocation) |
5944 |
asymbol **alocation; |
{ |
5945 |
{ |
const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
5946 |
struct elf_backend_data *bed = get_elf_backend_data (abfd); |
long symcount = bed->s->slurp_symbol_table (abfd, allocation, TRUE); |
5947 |
return bed->s->slurp_symbol_table (abfd, alocation, true); |
|
5948 |
|
if (symcount >= 0) |
5949 |
|
bfd_get_dynamic_symcount (abfd) = symcount; |
5950 |
|
return symcount; |
5951 |
} |
} |
5952 |
|
|
5953 |
/* Return the size required for the dynamic reloc entries. Any |
/* Return the size required for the dynamic reloc entries. Any loadable |
5954 |
section that was actually installed in the BFD, and has type |
section that was actually installed in the BFD, and has type SHT_REL |
5955 |
SHT_REL or SHT_RELA, and uses the dynamic symbol table, is |
or SHT_RELA, and uses the dynamic symbol table, is considered to be a |
5956 |
considered to be a dynamic reloc section. */ |
dynamic reloc section. */ |
5957 |
|
|
5958 |
long |
long |
5959 |
_bfd_elf_get_dynamic_reloc_upper_bound (abfd) |
_bfd_elf_get_dynamic_reloc_upper_bound (bfd *abfd) |
|
bfd *abfd; |
|
5960 |
{ |
{ |
5961 |
long ret; |
long ret; |
5962 |
asection *s; |
asection *s; |
5969 |
|
|
5970 |
ret = sizeof (arelent *); |
ret = sizeof (arelent *); |
5971 |
for (s = abfd->sections; s != NULL; s = s->next) |
for (s = abfd->sections; s != NULL; s = s->next) |
5972 |
if (elf_section_data (s)->this_hdr.sh_link == elf_dynsymtab (abfd) |
if ((s->flags & SEC_LOAD) != 0 |
5973 |
|
&& elf_section_data (s)->this_hdr.sh_link == elf_dynsymtab (abfd) |
5974 |
&& (elf_section_data (s)->this_hdr.sh_type == SHT_REL |
&& (elf_section_data (s)->this_hdr.sh_type == SHT_REL |
5975 |
|| elf_section_data (s)->this_hdr.sh_type == SHT_RELA)) |
|| elf_section_data (s)->this_hdr.sh_type == SHT_RELA)) |
5976 |
ret += ((s->_raw_size / elf_section_data (s)->this_hdr.sh_entsize) |
ret += ((s->size / elf_section_data (s)->this_hdr.sh_entsize) |
5977 |
* sizeof (arelent *)); |
* sizeof (arelent *)); |
5978 |
|
|
5979 |
return ret; |
return ret; |
5980 |
} |
} |
5981 |
|
|
5982 |
/* Canonicalize the dynamic relocation entries. Note that we return |
/* Canonicalize the dynamic relocation entries. Note that we return the |
5983 |
the dynamic relocations as a single block, although they are |
dynamic relocations as a single block, although they are actually |
5984 |
actually associated with particular sections; the interface, which |
associated with particular sections; the interface, which was |
5985 |
was designed for SunOS style shared libraries, expects that there |
designed for SunOS style shared libraries, expects that there is only |
5986 |
is only one set of dynamic relocs. Any section that was actually |
one set of dynamic relocs. Any loadable section that was actually |
5987 |
installed in the BFD, and has type SHT_REL or SHT_RELA, and uses |
installed in the BFD, and has type SHT_REL or SHT_RELA, and uses the |
5988 |
the dynamic symbol table, is considered to be a dynamic reloc |
dynamic symbol table, is considered to be a dynamic reloc section. */ |
|
section. */ |
|
5989 |
|
|
5990 |
long |
long |
5991 |
_bfd_elf_canonicalize_dynamic_reloc (abfd, storage, syms) |
_bfd_elf_canonicalize_dynamic_reloc (bfd *abfd, |
5992 |
bfd *abfd; |
arelent **storage, |
5993 |
arelent **storage; |
asymbol **syms) |
|
asymbol **syms; |
|
5994 |
{ |
{ |
5995 |
boolean (*slurp_relocs) PARAMS ((bfd *, asection *, asymbol **, boolean)); |
bfd_boolean (*slurp_relocs) (bfd *, asection *, asymbol **, bfd_boolean); |
5996 |
asection *s; |
asection *s; |
5997 |
long ret; |
long ret; |
5998 |
|
|
6006 |
ret = 0; |
ret = 0; |
6007 |
for (s = abfd->sections; s != NULL; s = s->next) |
for (s = abfd->sections; s != NULL; s = s->next) |
6008 |
{ |
{ |
6009 |
if (elf_section_data (s)->this_hdr.sh_link == elf_dynsymtab (abfd) |
if ((s->flags & SEC_LOAD) != 0 |
6010 |
|
&& elf_section_data (s)->this_hdr.sh_link == elf_dynsymtab (abfd) |
6011 |
&& (elf_section_data (s)->this_hdr.sh_type == SHT_REL |
&& (elf_section_data (s)->this_hdr.sh_type == SHT_REL |
6012 |
|| elf_section_data (s)->this_hdr.sh_type == SHT_RELA)) |
|| elf_section_data (s)->this_hdr.sh_type == SHT_RELA)) |
6013 |
{ |
{ |
6014 |
arelent *p; |
arelent *p; |
6015 |
long count, i; |
long count, i; |
6016 |
|
|
6017 |
if (! (*slurp_relocs) (abfd, s, syms, true)) |
if (! (*slurp_relocs) (abfd, s, syms, TRUE)) |
6018 |
return -1; |
return -1; |
6019 |
count = s->_raw_size / elf_section_data (s)->this_hdr.sh_entsize; |
count = s->size / elf_section_data (s)->this_hdr.sh_entsize; |
6020 |
p = s->relocation; |
p = s->relocation; |
6021 |
for (i = 0; i < count; i++) |
for (i = 0; i < count; i++) |
6022 |
*storage++ = p++; |
*storage++ = p++; |
6031 |
|
|
6032 |
/* Read in the version information. */ |
/* Read in the version information. */ |
6033 |
|
|
6034 |
boolean |
bfd_boolean |
6035 |
_bfd_elf_slurp_version_tables (abfd) |
_bfd_elf_slurp_version_tables (bfd *abfd, bfd_boolean default_imported_symver) |
|
bfd *abfd; |
|
6036 |
{ |
{ |
6037 |
bfd_byte *contents = NULL; |
bfd_byte *contents = NULL; |
6038 |
bfd_size_type amt; |
bfd_size_type amt; |
6039 |
|
unsigned int freeidx = 0; |
6040 |
|
|
6041 |
|
if (elf_dynverref (abfd) != 0) |
6042 |
|
{ |
6043 |
|
Elf_Internal_Shdr *hdr; |
6044 |
|
Elf_External_Verneed *everneed; |
6045 |
|
Elf_Internal_Verneed *iverneed; |
6046 |
|
unsigned int i; |
6047 |
|
|
6048 |
|
hdr = &elf_tdata (abfd)->dynverref_hdr; |
6049 |
|
|
6050 |
|
amt = (bfd_size_type) hdr->sh_info * sizeof (Elf_Internal_Verneed); |
6051 |
|
elf_tdata (abfd)->verref = bfd_zalloc (abfd, amt); |
6052 |
|
if (elf_tdata (abfd)->verref == NULL) |
6053 |
|
goto error_return; |
6054 |
|
|
6055 |
|
elf_tdata (abfd)->cverrefs = hdr->sh_info; |
6056 |
|
|
6057 |
|
contents = bfd_malloc (hdr->sh_size); |
6058 |
|
if (contents == NULL) |
6059 |
|
goto error_return; |
6060 |
|
if (bfd_seek (abfd, hdr->sh_offset, SEEK_SET) != 0 |
6061 |
|
|| bfd_bread (contents, hdr->sh_size, abfd) != hdr->sh_size) |
6062 |
|
goto error_return; |
6063 |
|
|
6064 |
|
everneed = (Elf_External_Verneed *) contents; |
6065 |
|
iverneed = elf_tdata (abfd)->verref; |
6066 |
|
for (i = 0; i < hdr->sh_info; i++, iverneed++) |
6067 |
|
{ |
6068 |
|
Elf_External_Vernaux *evernaux; |
6069 |
|
Elf_Internal_Vernaux *ivernaux; |
6070 |
|
unsigned int j; |
6071 |
|
|
6072 |
|
_bfd_elf_swap_verneed_in (abfd, everneed, iverneed); |
6073 |
|
|
6074 |
|
iverneed->vn_bfd = abfd; |
6075 |
|
|
6076 |
|
iverneed->vn_filename = |
6077 |
|
bfd_elf_string_from_elf_section (abfd, hdr->sh_link, |
6078 |
|
iverneed->vn_file); |
6079 |
|
if (iverneed->vn_filename == NULL) |
6080 |
|
goto error_return; |
6081 |
|
|
6082 |
|
amt = iverneed->vn_cnt; |
6083 |
|
amt *= sizeof (Elf_Internal_Vernaux); |
6084 |
|
iverneed->vn_auxptr = bfd_alloc (abfd, amt); |
6085 |
|
|
6086 |
|
evernaux = ((Elf_External_Vernaux *) |
6087 |
|
((bfd_byte *) everneed + iverneed->vn_aux)); |
6088 |
|
ivernaux = iverneed->vn_auxptr; |
6089 |
|
for (j = 0; j < iverneed->vn_cnt; j++, ivernaux++) |
6090 |
|
{ |
6091 |
|
_bfd_elf_swap_vernaux_in (abfd, evernaux, ivernaux); |
6092 |
|
|
6093 |
|
ivernaux->vna_nodename = |
6094 |
|
bfd_elf_string_from_elf_section (abfd, hdr->sh_link, |
6095 |
|
ivernaux->vna_name); |
6096 |
|
if (ivernaux->vna_nodename == NULL) |
6097 |
|
goto error_return; |
6098 |
|
|
6099 |
|
if (j + 1 < iverneed->vn_cnt) |
6100 |
|
ivernaux->vna_nextptr = ivernaux + 1; |
6101 |
|
else |
6102 |
|
ivernaux->vna_nextptr = NULL; |
6103 |
|
|
6104 |
|
evernaux = ((Elf_External_Vernaux *) |
6105 |
|
((bfd_byte *) evernaux + ivernaux->vna_next)); |
6106 |
|
|
6107 |
|
if (ivernaux->vna_other > freeidx) |
6108 |
|
freeidx = ivernaux->vna_other; |
6109 |
|
} |
6110 |
|
|
6111 |
|
if (i + 1 < hdr->sh_info) |
6112 |
|
iverneed->vn_nextref = iverneed + 1; |
6113 |
|
else |
6114 |
|
iverneed->vn_nextref = NULL; |
6115 |
|
|
6116 |
|
everneed = ((Elf_External_Verneed *) |
6117 |
|
((bfd_byte *) everneed + iverneed->vn_next)); |
6118 |
|
} |
6119 |
|
|
6120 |
|
free (contents); |
6121 |
|
contents = NULL; |
6122 |
|
} |
6123 |
|
|
6124 |
if (elf_dynverdef (abfd) != 0) |
if (elf_dynverdef (abfd) != 0) |
6125 |
{ |
{ |
6133 |
|
|
6134 |
hdr = &elf_tdata (abfd)->dynverdef_hdr; |
hdr = &elf_tdata (abfd)->dynverdef_hdr; |
6135 |
|
|
6136 |
contents = (bfd_byte *) bfd_malloc (hdr->sh_size); |
contents = bfd_malloc (hdr->sh_size); |
6137 |
if (contents == NULL) |
if (contents == NULL) |
6138 |
goto error_return; |
goto error_return; |
6139 |
if (bfd_seek (abfd, hdr->sh_offset, SEEK_SET) != 0 |
if (bfd_seek (abfd, hdr->sh_offset, SEEK_SET) != 0 |
6140 |
|| bfd_bread ((PTR) contents, hdr->sh_size, abfd) != hdr->sh_size) |
|| bfd_bread (contents, hdr->sh_size, abfd) != hdr->sh_size) |
6141 |
goto error_return; |
goto error_return; |
6142 |
|
|
6143 |
/* We know the number of entries in the section but not the maximum |
/* We know the number of entries in the section but not the maximum |
6156 |
((bfd_byte *) everdef + iverdefmem.vd_next)); |
((bfd_byte *) everdef + iverdefmem.vd_next)); |
6157 |
} |
} |
6158 |
|
|
6159 |
|
if (default_imported_symver) |
6160 |
|
{ |
6161 |
|
if (freeidx > maxidx) |
6162 |
|
maxidx = ++freeidx; |
6163 |
|
else |
6164 |
|
freeidx = ++maxidx; |
6165 |
|
} |
6166 |
amt = (bfd_size_type) maxidx * sizeof (Elf_Internal_Verdef); |
amt = (bfd_size_type) maxidx * sizeof (Elf_Internal_Verdef); |
6167 |
elf_tdata (abfd)->verdef = (Elf_Internal_Verdef *) bfd_zalloc (abfd, amt); |
elf_tdata (abfd)->verdef = bfd_zalloc (abfd, amt); |
6168 |
if (elf_tdata (abfd)->verdef == NULL) |
if (elf_tdata (abfd)->verdef == NULL) |
6169 |
goto error_return; |
goto error_return; |
6170 |
|
|
6186 |
iverdef->vd_bfd = abfd; |
iverdef->vd_bfd = abfd; |
6187 |
|
|
6188 |
amt = (bfd_size_type) iverdef->vd_cnt * sizeof (Elf_Internal_Verdaux); |
amt = (bfd_size_type) iverdef->vd_cnt * sizeof (Elf_Internal_Verdaux); |
6189 |
iverdef->vd_auxptr = (Elf_Internal_Verdaux *) bfd_alloc (abfd, amt); |
iverdef->vd_auxptr = bfd_alloc (abfd, amt); |
6190 |
if (iverdef->vd_auxptr == NULL) |
if (iverdef->vd_auxptr == NULL) |
6191 |
goto error_return; |
goto error_return; |
6192 |
|
|
6226 |
free (contents); |
free (contents); |
6227 |
contents = NULL; |
contents = NULL; |
6228 |
} |
} |
6229 |
|
else if (default_imported_symver) |
|
if (elf_dynverref (abfd) != 0) |
|
6230 |
{ |
{ |
6231 |
Elf_Internal_Shdr *hdr; |
if (freeidx < 3) |
6232 |
Elf_External_Verneed *everneed; |
freeidx = 3; |
6233 |
Elf_Internal_Verneed *iverneed; |
else |
6234 |
unsigned int i; |
freeidx++; |
|
|
|
|
hdr = &elf_tdata (abfd)->dynverref_hdr; |
|
|
|
|
|
amt = (bfd_size_type) hdr->sh_info * sizeof (Elf_Internal_Verneed); |
|
|
elf_tdata (abfd)->verref = |
|
|
(Elf_Internal_Verneed *) bfd_zalloc (abfd, amt); |
|
|
if (elf_tdata (abfd)->verref == NULL) |
|
|
goto error_return; |
|
|
|
|
|
elf_tdata (abfd)->cverrefs = hdr->sh_info; |
|
6235 |
|
|
6236 |
contents = (bfd_byte *) bfd_malloc (hdr->sh_size); |
amt = (bfd_size_type) freeidx * sizeof (Elf_Internal_Verdef); |
6237 |
if (contents == NULL) |
elf_tdata (abfd)->verdef = bfd_zalloc (abfd, amt); |
6238 |
goto error_return; |
if (elf_tdata (abfd)->verdef == NULL) |
|
if (bfd_seek (abfd, hdr->sh_offset, SEEK_SET) != 0 |
|
|
|| bfd_bread ((PTR) contents, hdr->sh_size, abfd) != hdr->sh_size) |
|
6239 |
goto error_return; |
goto error_return; |
6240 |
|
|
6241 |
everneed = (Elf_External_Verneed *) contents; |
elf_tdata (abfd)->cverdefs = freeidx; |
6242 |
iverneed = elf_tdata (abfd)->verref; |
} |
|
for (i = 0; i < hdr->sh_info; i++, iverneed++) |
|
|
{ |
|
|
Elf_External_Vernaux *evernaux; |
|
|
Elf_Internal_Vernaux *ivernaux; |
|
|
unsigned int j; |
|
|
|
|
|
_bfd_elf_swap_verneed_in (abfd, everneed, iverneed); |
|
|
|
|
|
iverneed->vn_bfd = abfd; |
|
|
|
|
|
iverneed->vn_filename = |
|
|
bfd_elf_string_from_elf_section (abfd, hdr->sh_link, |
|
|
iverneed->vn_file); |
|
|
if (iverneed->vn_filename == NULL) |
|
|
goto error_return; |
|
|
|
|
|
amt = iverneed->vn_cnt; |
|
|
amt *= sizeof (Elf_Internal_Vernaux); |
|
|
iverneed->vn_auxptr = (Elf_Internal_Vernaux *) bfd_alloc (abfd, amt); |
|
6243 |
|
|
6244 |
evernaux = ((Elf_External_Vernaux *) |
/* Create a default version based on the soname. */ |
6245 |
((bfd_byte *) everneed + iverneed->vn_aux)); |
if (default_imported_symver) |
6246 |
ivernaux = iverneed->vn_auxptr; |
{ |
6247 |
for (j = 0; j < iverneed->vn_cnt; j++, ivernaux++) |
Elf_Internal_Verdef *iverdef; |
6248 |
{ |
Elf_Internal_Verdaux *iverdaux; |
|
_bfd_elf_swap_vernaux_in (abfd, evernaux, ivernaux); |
|
6249 |
|
|
6250 |
ivernaux->vna_nodename = |
iverdef = &elf_tdata (abfd)->verdef[freeidx - 1];; |
|
bfd_elf_string_from_elf_section (abfd, hdr->sh_link, |
|
|
ivernaux->vna_name); |
|
|
if (ivernaux->vna_nodename == NULL) |
|
|
goto error_return; |
|
6251 |
|
|
6252 |
if (j + 1 < iverneed->vn_cnt) |
iverdef->vd_version = VER_DEF_CURRENT; |
6253 |
ivernaux->vna_nextptr = ivernaux + 1; |
iverdef->vd_flags = 0; |
6254 |
else |
iverdef->vd_ndx = freeidx; |
6255 |
ivernaux->vna_nextptr = NULL; |
iverdef->vd_cnt = 1; |
6256 |
|
|
6257 |
evernaux = ((Elf_External_Vernaux *) |
iverdef->vd_bfd = abfd; |
|
((bfd_byte *) evernaux + ivernaux->vna_next)); |
|
|
} |
|
6258 |
|
|
6259 |
if (i + 1 < hdr->sh_info) |
iverdef->vd_nodename = bfd_elf_get_dt_soname (abfd); |
6260 |
iverneed->vn_nextref = iverneed + 1; |
if (iverdef->vd_nodename == NULL) |
6261 |
else |
goto error_return; |
6262 |
iverneed->vn_nextref = NULL; |
iverdef->vd_nextdef = NULL; |
6263 |
|
amt = (bfd_size_type) sizeof (Elf_Internal_Verdaux); |
6264 |
everneed = ((Elf_External_Verneed *) |
iverdef->vd_auxptr = bfd_alloc (abfd, amt); |
|
((bfd_byte *) everneed + iverneed->vn_next)); |
|
|
} |
|
6265 |
|
|
6266 |
free (contents); |
iverdaux = iverdef->vd_auxptr; |
6267 |
contents = NULL; |
iverdaux->vda_nodename = iverdef->vd_nodename; |
6268 |
|
iverdaux->vda_nextptr = NULL; |
6269 |
} |
} |
6270 |
|
|
6271 |
return true; |
return TRUE; |
6272 |
|
|
6273 |
error_return: |
error_return: |
6274 |
if (contents == NULL) |
if (contents != NULL) |
6275 |
free (contents); |
free (contents); |
6276 |
return false; |
return FALSE; |
6277 |
} |
} |
6278 |
|
|
6279 |
asymbol * |
asymbol * |
6280 |
_bfd_elf_make_empty_symbol (abfd) |
_bfd_elf_make_empty_symbol (bfd *abfd) |
|
bfd *abfd; |
|
6281 |
{ |
{ |
6282 |
elf_symbol_type *newsym; |
elf_symbol_type *newsym; |
6283 |
bfd_size_type amt = sizeof (elf_symbol_type); |
bfd_size_type amt = sizeof (elf_symbol_type); |
6284 |
|
|
6285 |
newsym = (elf_symbol_type *) bfd_zalloc (abfd, amt); |
newsym = bfd_zalloc (abfd, amt); |
6286 |
if (!newsym) |
if (!newsym) |
6287 |
return NULL; |
return NULL; |
6288 |
else |
else |
6293 |
} |
} |
6294 |
|
|
6295 |
void |
void |
6296 |
_bfd_elf_get_symbol_info (ignore_abfd, symbol, ret) |
_bfd_elf_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED, |
6297 |
bfd *ignore_abfd ATTRIBUTE_UNUSED; |
asymbol *symbol, |
6298 |
asymbol *symbol; |
symbol_info *ret) |
|
symbol_info *ret; |
|
6299 |
{ |
{ |
6300 |
bfd_symbol_info (symbol, ret); |
bfd_symbol_info (symbol, ret); |
6301 |
} |
} |
6304 |
use this function for the is_local_label_name entry point, but some |
use this function for the is_local_label_name entry point, but some |
6305 |
override it. */ |
override it. */ |
6306 |
|
|
6307 |
boolean |
bfd_boolean |
6308 |
_bfd_elf_is_local_label_name (abfd, name) |
_bfd_elf_is_local_label_name (bfd *abfd ATTRIBUTE_UNUSED, |
6309 |
bfd *abfd ATTRIBUTE_UNUSED; |
const char *name) |
|
const char *name; |
|
6310 |
{ |
{ |
6311 |
/* Normal local symbols start with ``.L''. */ |
/* Normal local symbols start with ``.L''. */ |
6312 |
if (name[0] == '.' && name[1] == 'L') |
if (name[0] == '.' && name[1] == 'L') |
6313 |
return true; |
return TRUE; |
6314 |
|
|
6315 |
/* At least some SVR4 compilers (e.g., UnixWare 2.1 cc) generate |
/* At least some SVR4 compilers (e.g., UnixWare 2.1 cc) generate |
6316 |
DWARF debugging symbols starting with ``..''. */ |
DWARF debugging symbols starting with ``..''. */ |
6317 |
if (name[0] == '.' && name[1] == '.') |
if (name[0] == '.' && name[1] == '.') |
6318 |
return true; |
return TRUE; |
6319 |
|
|
6320 |
/* gcc will sometimes generate symbols beginning with ``_.L_'' when |
/* gcc will sometimes generate symbols beginning with ``_.L_'' when |
6321 |
emitting DWARF debugging output. I suspect this is actually a |
emitting DWARF debugging output. I suspect this is actually a |
6324 |
underscore to be emitted on some ELF targets). For ease of use, |
underscore to be emitted on some ELF targets). For ease of use, |
6325 |
we treat such symbols as local. */ |
we treat such symbols as local. */ |
6326 |
if (name[0] == '_' && name[1] == '.' && name[2] == 'L' && name[3] == '_') |
if (name[0] == '_' && name[1] == '.' && name[2] == 'L' && name[3] == '_') |
6327 |
return true; |
return TRUE; |
6328 |
|
|
6329 |
return false; |
return FALSE; |
6330 |
} |
} |
6331 |
|
|
6332 |
alent * |
alent * |
6333 |
_bfd_elf_get_lineno (ignore_abfd, symbol) |
_bfd_elf_get_lineno (bfd *abfd ATTRIBUTE_UNUSED, |
6334 |
bfd *ignore_abfd ATTRIBUTE_UNUSED; |
asymbol *symbol ATTRIBUTE_UNUSED) |
|
asymbol *symbol ATTRIBUTE_UNUSED; |
|
6335 |
{ |
{ |
6336 |
abort (); |
abort (); |
6337 |
return NULL; |
return NULL; |
6338 |
} |
} |
6339 |
|
|
6340 |
boolean |
bfd_boolean |
6341 |
_bfd_elf_set_arch_mach (abfd, arch, machine) |
_bfd_elf_set_arch_mach (bfd *abfd, |
6342 |
bfd *abfd; |
enum bfd_architecture arch, |
6343 |
enum bfd_architecture arch; |
unsigned long machine) |
|
unsigned long machine; |
|
6344 |
{ |
{ |
6345 |
/* If this isn't the right architecture for this backend, and this |
/* If this isn't the right architecture for this backend, and this |
6346 |
isn't the generic backend, fail. */ |
isn't the generic backend, fail. */ |
6347 |
if (arch != get_elf_backend_data (abfd)->arch |
if (arch != get_elf_backend_data (abfd)->arch |
6348 |
&& arch != bfd_arch_unknown |
&& arch != bfd_arch_unknown |
6349 |
&& get_elf_backend_data (abfd)->arch != bfd_arch_unknown) |
&& get_elf_backend_data (abfd)->arch != bfd_arch_unknown) |
6350 |
return false; |
return FALSE; |
6351 |
|
|
6352 |
return bfd_default_set_arch_mach (abfd, arch, machine); |
return bfd_default_set_arch_mach (abfd, arch, machine); |
6353 |
} |
} |
6355 |
/* Find the function to a particular section and offset, |
/* Find the function to a particular section and offset, |
6356 |
for error reporting. */ |
for error reporting. */ |
6357 |
|
|
6358 |
static boolean |
static bfd_boolean |
6359 |
elf_find_function (abfd, section, symbols, offset, |
elf_find_function (bfd *abfd ATTRIBUTE_UNUSED, |
6360 |
filename_ptr, functionname_ptr) |
asection *section, |
6361 |
bfd *abfd ATTRIBUTE_UNUSED; |
asymbol **symbols, |
6362 |
asection *section; |
bfd_vma offset, |
6363 |
asymbol **symbols; |
const char **filename_ptr, |
6364 |
bfd_vma offset; |
const char **functionname_ptr) |
|
const char **filename_ptr; |
|
|
const char **functionname_ptr; |
|
6365 |
{ |
{ |
6366 |
const char *filename; |
const char *filename; |
6367 |
asymbol *func; |
asymbol *func, *file; |
6368 |
bfd_vma low_func; |
bfd_vma low_func; |
6369 |
asymbol **p; |
asymbol **p; |
6370 |
|
/* ??? Given multiple file symbols, it is impossible to reliably |
6371 |
|
choose the right file name for global symbols. File symbols are |
6372 |
|
local symbols, and thus all file symbols must sort before any |
6373 |
|
global symbols. The ELF spec may be interpreted to say that a |
6374 |
|
file symbol must sort before other local symbols, but currently |
6375 |
|
ld -r doesn't do this. So, for ld -r output, it is possible to |
6376 |
|
make a better choice of file name for local symbols by ignoring |
6377 |
|
file symbols appearing after a given local symbol. */ |
6378 |
|
enum { nothing_seen, symbol_seen, file_after_symbol_seen } state; |
6379 |
|
|
6380 |
filename = NULL; |
filename = NULL; |
6381 |
func = NULL; |
func = NULL; |
6382 |
|
file = NULL; |
6383 |
low_func = 0; |
low_func = 0; |
6384 |
|
state = nothing_seen; |
6385 |
|
|
6386 |
for (p = symbols; *p != NULL; p++) |
for (p = symbols; *p != NULL; p++) |
6387 |
{ |
{ |
6389 |
|
|
6390 |
q = (elf_symbol_type *) *p; |
q = (elf_symbol_type *) *p; |
6391 |
|
|
|
if (bfd_get_section (&q->symbol) != section) |
|
|
continue; |
|
|
|
|
6392 |
switch (ELF_ST_TYPE (q->internal_elf_sym.st_info)) |
switch (ELF_ST_TYPE (q->internal_elf_sym.st_info)) |
6393 |
{ |
{ |
6394 |
default: |
default: |
6395 |
break; |
break; |
6396 |
case STT_FILE: |
case STT_FILE: |
6397 |
filename = bfd_asymbol_name (&q->symbol); |
file = &q->symbol; |
6398 |
break; |
if (state == symbol_seen) |
6399 |
|
state = file_after_symbol_seen; |
6400 |
|
continue; |
6401 |
|
case STT_SECTION: |
6402 |
|
continue; |
6403 |
case STT_NOTYPE: |
case STT_NOTYPE: |
6404 |
case STT_FUNC: |
case STT_FUNC: |
6405 |
if (q->symbol.section == section |
if (bfd_get_section (&q->symbol) == section |
6406 |
&& q->symbol.value >= low_func |
&& q->symbol.value >= low_func |
6407 |
&& q->symbol.value <= offset) |
&& q->symbol.value <= offset) |
6408 |
{ |
{ |
6409 |
func = (asymbol *) q; |
func = (asymbol *) q; |
6410 |
low_func = q->symbol.value; |
low_func = q->symbol.value; |
6411 |
|
if (file == NULL) |
6412 |
|
filename = NULL; |
6413 |
|
else if (ELF_ST_BIND (q->internal_elf_sym.st_info) != STB_LOCAL |
6414 |
|
&& state == file_after_symbol_seen) |
6415 |
|
filename = NULL; |
6416 |
|
else |
6417 |
|
filename = bfd_asymbol_name (file); |
6418 |
} |
} |
6419 |
break; |
break; |
6420 |
} |
} |
6421 |
|
if (state == nothing_seen) |
6422 |
|
state = symbol_seen; |
6423 |
} |
} |
6424 |
|
|
6425 |
if (func == NULL) |
if (func == NULL) |
6426 |
return false; |
return FALSE; |
6427 |
|
|
6428 |
if (filename_ptr) |
if (filename_ptr) |
6429 |
*filename_ptr = filename; |
*filename_ptr = filename; |
6430 |
if (functionname_ptr) |
if (functionname_ptr) |
6431 |
*functionname_ptr = bfd_asymbol_name (func); |
*functionname_ptr = bfd_asymbol_name (func); |
6432 |
|
|
6433 |
return true; |
return TRUE; |
6434 |
} |
} |
6435 |
|
|
6436 |
/* Find the nearest line to a particular section and offset, |
/* Find the nearest line to a particular section and offset, |
6437 |
for error reporting. */ |
for error reporting. */ |
6438 |
|
|
6439 |
boolean |
bfd_boolean |
6440 |
_bfd_elf_find_nearest_line (abfd, section, symbols, offset, |
_bfd_elf_find_nearest_line (bfd *abfd, |
6441 |
filename_ptr, functionname_ptr, line_ptr) |
asection *section, |
6442 |
bfd *abfd; |
asymbol **symbols, |
6443 |
asection *section; |
bfd_vma offset, |
6444 |
asymbol **symbols; |
const char **filename_ptr, |
6445 |
bfd_vma offset; |
const char **functionname_ptr, |
6446 |
const char **filename_ptr; |
unsigned int *line_ptr) |
|
const char **functionname_ptr; |
|
|
unsigned int *line_ptr; |
|
6447 |
{ |
{ |
6448 |
boolean found; |
bfd_boolean found; |
6449 |
|
|
6450 |
if (_bfd_dwarf1_find_nearest_line (abfd, section, symbols, offset, |
if (_bfd_dwarf1_find_nearest_line (abfd, section, symbols, offset, |
6451 |
filename_ptr, functionname_ptr, |
filename_ptr, functionname_ptr, |
6456 |
*filename_ptr ? NULL : filename_ptr, |
*filename_ptr ? NULL : filename_ptr, |
6457 |
functionname_ptr); |
functionname_ptr); |
6458 |
|
|
6459 |
return true; |
return TRUE; |
6460 |
} |
} |
6461 |
|
|
6462 |
if (_bfd_dwarf2_find_nearest_line (abfd, section, symbols, offset, |
if (_bfd_dwarf2_find_nearest_line (abfd, section, symbols, offset, |
6469 |
*filename_ptr ? NULL : filename_ptr, |
*filename_ptr ? NULL : filename_ptr, |
6470 |
functionname_ptr); |
functionname_ptr); |
6471 |
|
|
6472 |
return true; |
return TRUE; |
6473 |
} |
} |
6474 |
|
|
6475 |
if (! _bfd_stab_section_find_nearest_line (abfd, symbols, section, offset, |
if (! _bfd_stab_section_find_nearest_line (abfd, symbols, section, offset, |
6476 |
&found, filename_ptr, |
&found, filename_ptr, |
6477 |
functionname_ptr, line_ptr, |
functionname_ptr, line_ptr, |
6478 |
&elf_tdata (abfd)->line_info)) |
&elf_tdata (abfd)->line_info)) |
6479 |
return false; |
return FALSE; |
6480 |
if (found) |
if (found && (*functionname_ptr || *line_ptr)) |
6481 |
return true; |
return TRUE; |
6482 |
|
|
6483 |
if (symbols == NULL) |
if (symbols == NULL) |
6484 |
return false; |
return FALSE; |
6485 |
|
|
6486 |
if (! elf_find_function (abfd, section, symbols, offset, |
if (! elf_find_function (abfd, section, symbols, offset, |
6487 |
filename_ptr, functionname_ptr)) |
filename_ptr, functionname_ptr)) |
6488 |
return false; |
return FALSE; |
6489 |
|
|
6490 |
*line_ptr = 0; |
*line_ptr = 0; |
6491 |
return true; |
return TRUE; |
6492 |
} |
} |
6493 |
|
|
6494 |
int |
int |
6495 |
_bfd_elf_sizeof_headers (abfd, reloc) |
_bfd_elf_sizeof_headers (bfd *abfd, bfd_boolean reloc) |
|
bfd *abfd; |
|
|
boolean reloc; |
|
6496 |
{ |
{ |
6497 |
int ret; |
int ret; |
6498 |
|
|
6502 |
return ret; |
return ret; |
6503 |
} |
} |
6504 |
|
|
6505 |
boolean |
bfd_boolean |
6506 |
_bfd_elf_set_section_contents (abfd, section, location, offset, count) |
_bfd_elf_set_section_contents (bfd *abfd, |
6507 |
bfd *abfd; |
sec_ptr section, |
6508 |
sec_ptr section; |
const void *location, |
6509 |
PTR location; |
file_ptr offset, |
6510 |
file_ptr offset; |
bfd_size_type count) |
|
bfd_size_type count; |
|
6511 |
{ |
{ |
6512 |
Elf_Internal_Shdr *hdr; |
Elf_Internal_Shdr *hdr; |
6513 |
bfd_signed_vma pos; |
bfd_signed_vma pos; |
6514 |
|
|
6515 |
if (! abfd->output_has_begun |
if (! abfd->output_has_begun |
6516 |
&& ! (_bfd_elf_compute_section_file_positions |
&& ! _bfd_elf_compute_section_file_positions (abfd, NULL)) |
6517 |
(abfd, (struct bfd_link_info *) NULL))) |
return FALSE; |
|
return false; |
|
6518 |
|
|
6519 |
hdr = &elf_section_data (section)->this_hdr; |
hdr = &elf_section_data (section)->this_hdr; |
6520 |
pos = hdr->sh_offset + offset; |
pos = hdr->sh_offset + offset; |
6521 |
if (bfd_seek (abfd, pos, SEEK_SET) != 0 |
if (bfd_seek (abfd, pos, SEEK_SET) != 0 |
6522 |
|| bfd_bwrite (location, count, abfd) != count) |
|| bfd_bwrite (location, count, abfd) != count) |
6523 |
return false; |
return FALSE; |
6524 |
|
|
6525 |
return true; |
return TRUE; |
|
} |
|
|
|
|
|
void |
|
|
_bfd_elf_no_info_to_howto (abfd, cache_ptr, dst) |
|
|
bfd *abfd ATTRIBUTE_UNUSED; |
|
|
arelent *cache_ptr ATTRIBUTE_UNUSED; |
|
|
Elf_Internal_Rela *dst ATTRIBUTE_UNUSED; |
|
|
{ |
|
|
abort (); |
|
6526 |
} |
} |
6527 |
|
|
|
#if 0 |
|
6528 |
void |
void |
6529 |
_bfd_elf_no_info_to_howto_rel (abfd, cache_ptr, dst) |
_bfd_elf_no_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, |
6530 |
bfd *abfd; |
arelent *cache_ptr ATTRIBUTE_UNUSED, |
6531 |
arelent *cache_ptr; |
Elf_Internal_Rela *dst ATTRIBUTE_UNUSED) |
|
Elf_Internal_Rel *dst; |
|
6532 |
{ |
{ |
6533 |
abort (); |
abort (); |
6534 |
} |
} |
|
#endif |
|
6535 |
|
|
6536 |
/* Try to convert a non-ELF reloc into an ELF one. */ |
/* Try to convert a non-ELF reloc into an ELF one. */ |
6537 |
|
|
6538 |
boolean |
bfd_boolean |
6539 |
_bfd_elf_validate_reloc (abfd, areloc) |
_bfd_elf_validate_reloc (bfd *abfd, arelent *areloc) |
|
bfd *abfd; |
|
|
arelent *areloc; |
|
6540 |
{ |
{ |
6541 |
/* Check whether we really have an ELF howto. */ |
/* Check whether we really have an ELF howto. */ |
6542 |
|
|
6619 |
goto fail; |
goto fail; |
6620 |
} |
} |
6621 |
|
|
6622 |
return true; |
return TRUE; |
6623 |
|
|
6624 |
fail: |
fail: |
6625 |
(*_bfd_error_handler) |
(*_bfd_error_handler) |
6626 |
(_("%s: unsupported relocation type %s"), |
(_("%B: unsupported relocation type %s"), |
6627 |
bfd_archive_filename (abfd), areloc->howto->name); |
abfd, areloc->howto->name); |
6628 |
bfd_set_error (bfd_error_bad_value); |
bfd_set_error (bfd_error_bad_value); |
6629 |
return false; |
return FALSE; |
6630 |
} |
} |
6631 |
|
|
6632 |
boolean |
bfd_boolean |
6633 |
_bfd_elf_close_and_cleanup (abfd) |
_bfd_elf_close_and_cleanup (bfd *abfd) |
|
bfd *abfd; |
|
6634 |
{ |
{ |
6635 |
if (bfd_get_format (abfd) == bfd_object) |
if (bfd_get_format (abfd) == bfd_object) |
6636 |
{ |
{ |
6647 |
this reloc. */ |
this reloc. */ |
6648 |
|
|
6649 |
bfd_reloc_status_type |
bfd_reloc_status_type |
6650 |
_bfd_elf_rel_vtable_reloc_fn (abfd, re, symbol, data, is, obfd, errmsg) |
_bfd_elf_rel_vtable_reloc_fn |
6651 |
bfd *abfd ATTRIBUTE_UNUSED; |
(bfd *abfd ATTRIBUTE_UNUSED, arelent *re ATTRIBUTE_UNUSED, |
6652 |
arelent *re ATTRIBUTE_UNUSED; |
struct bfd_symbol *symbol ATTRIBUTE_UNUSED, |
6653 |
struct symbol_cache_entry *symbol ATTRIBUTE_UNUSED; |
void *data ATTRIBUTE_UNUSED, asection *is ATTRIBUTE_UNUSED, |
6654 |
PTR data ATTRIBUTE_UNUSED; |
bfd *obfd ATTRIBUTE_UNUSED, char **errmsg ATTRIBUTE_UNUSED) |
|
asection *is ATTRIBUTE_UNUSED; |
|
|
bfd *obfd ATTRIBUTE_UNUSED; |
|
|
char **errmsg ATTRIBUTE_UNUSED; |
|
6655 |
{ |
{ |
6656 |
return bfd_reloc_ok; |
return bfd_reloc_ok; |
6657 |
} |
} |
6668 |
/* FIXME: this is kinda wrong, but it's what gdb wants. */ |
/* FIXME: this is kinda wrong, but it's what gdb wants. */ |
6669 |
|
|
6670 |
static int |
static int |
6671 |
elfcore_make_pid (abfd) |
elfcore_make_pid (bfd *abfd) |
|
bfd *abfd; |
|
6672 |
{ |
{ |
6673 |
return ((elf_tdata (abfd)->core_lwpid << 16) |
return ((elf_tdata (abfd)->core_lwpid << 16) |
6674 |
+ (elf_tdata (abfd)->core_pid)); |
+ (elf_tdata (abfd)->core_pid)); |
6679 |
reference to NAME, so you shouldn't deallocate or |
reference to NAME, so you shouldn't deallocate or |
6680 |
overwrite it. */ |
overwrite it. */ |
6681 |
|
|
6682 |
static boolean |
static bfd_boolean |
6683 |
elfcore_maybe_make_sect (abfd, name, sect) |
elfcore_maybe_make_sect (bfd *abfd, char *name, asection *sect) |
|
bfd *abfd; |
|
|
char *name; |
|
|
asection *sect; |
|
6684 |
{ |
{ |
6685 |
asection *sect2; |
asection *sect2; |
6686 |
|
|
6687 |
if (bfd_get_section_by_name (abfd, name) != NULL) |
if (bfd_get_section_by_name (abfd, name) != NULL) |
6688 |
return true; |
return TRUE; |
6689 |
|
|
6690 |
sect2 = bfd_make_section (abfd, name); |
sect2 = bfd_make_section (abfd, name); |
6691 |
if (sect2 == NULL) |
if (sect2 == NULL) |
6692 |
return false; |
return FALSE; |
6693 |
|
|
6694 |
sect2->_raw_size = sect->_raw_size; |
sect2->size = sect->size; |
6695 |
sect2->filepos = sect->filepos; |
sect2->filepos = sect->filepos; |
6696 |
sect2->flags = sect->flags; |
sect2->flags = sect->flags; |
6697 |
sect2->alignment_power = sect->alignment_power; |
sect2->alignment_power = sect->alignment_power; |
6698 |
return true; |
return TRUE; |
6699 |
} |
} |
6700 |
|
|
6701 |
/* Create a pseudosection containing SIZE bytes at FILEPOS. This |
/* Create a pseudosection containing SIZE bytes at FILEPOS. This |
6705 |
- For the multi-threaded case, a section named "NAME/PID", where |
- For the multi-threaded case, a section named "NAME/PID", where |
6706 |
PID is elfcore_make_pid (abfd). |
PID is elfcore_make_pid (abfd). |
6707 |
Both pseudosections have identical contents. */ |
Both pseudosections have identical contents. */ |
6708 |
boolean |
bfd_boolean |
6709 |
_bfd_elfcore_make_pseudosection (abfd, name, size, filepos) |
_bfd_elfcore_make_pseudosection (bfd *abfd, |
6710 |
bfd *abfd; |
char *name, |
6711 |
char *name; |
size_t size, |
6712 |
size_t size; |
ufile_ptr filepos) |
|
ufile_ptr filepos; |
|
6713 |
{ |
{ |
6714 |
char buf[100]; |
char buf[100]; |
6715 |
char *threaded_name; |
char *threaded_name; |
6720 |
|
|
6721 |
sprintf (buf, "%s/%d", name, elfcore_make_pid (abfd)); |
sprintf (buf, "%s/%d", name, elfcore_make_pid (abfd)); |
6722 |
len = strlen (buf) + 1; |
len = strlen (buf) + 1; |
6723 |
threaded_name = bfd_alloc (abfd, (bfd_size_type) len); |
threaded_name = bfd_alloc (abfd, len); |
6724 |
if (threaded_name == NULL) |
if (threaded_name == NULL) |
6725 |
return false; |
return FALSE; |
6726 |
memcpy (threaded_name, buf, len); |
memcpy (threaded_name, buf, len); |
6727 |
|
|
6728 |
sect = bfd_make_section (abfd, threaded_name); |
sect = bfd_make_section_anyway (abfd, threaded_name); |
6729 |
if (sect == NULL) |
if (sect == NULL) |
6730 |
return false; |
return FALSE; |
6731 |
sect->_raw_size = size; |
sect->size = size; |
6732 |
sect->filepos = filepos; |
sect->filepos = filepos; |
6733 |
sect->flags = SEC_HAS_CONTENTS; |
sect->flags = SEC_HAS_CONTENTS; |
6734 |
sect->alignment_power = 2; |
sect->alignment_power = 2; |
6743 |
*/ |
*/ |
6744 |
|
|
6745 |
#if defined (HAVE_PRSTATUS_T) |
#if defined (HAVE_PRSTATUS_T) |
|
static boolean elfcore_grok_prstatus PARAMS ((bfd *, Elf_Internal_Note *)); |
|
6746 |
|
|
6747 |
static boolean |
static bfd_boolean |
6748 |
elfcore_grok_prstatus (abfd, note) |
elfcore_grok_prstatus (bfd *abfd, Elf_Internal_Note *note) |
|
bfd *abfd; |
|
|
Elf_Internal_Note *note; |
|
6749 |
{ |
{ |
6750 |
size_t raw_size; |
size_t size; |
6751 |
int offset; |
int offset; |
6752 |
|
|
6753 |
if (note->descsz == sizeof (prstatus_t)) |
if (note->descsz == sizeof (prstatus_t)) |
6754 |
{ |
{ |
6755 |
prstatus_t prstat; |
prstatus_t prstat; |
6756 |
|
|
6757 |
raw_size = sizeof (prstat.pr_reg); |
size = sizeof (prstat.pr_reg); |
6758 |
offset = offsetof (prstatus_t, pr_reg); |
offset = offsetof (prstatus_t, pr_reg); |
6759 |
memcpy (&prstat, note->descdata, sizeof (prstat)); |
memcpy (&prstat, note->descdata, sizeof (prstat)); |
6760 |
|
|
6780 |
/* 64-bit host, 32-bit corefile */ |
/* 64-bit host, 32-bit corefile */ |
6781 |
prstatus32_t prstat; |
prstatus32_t prstat; |
6782 |
|
|
6783 |
raw_size = sizeof (prstat.pr_reg); |
size = sizeof (prstat.pr_reg); |
6784 |
offset = offsetof (prstatus32_t, pr_reg); |
offset = offsetof (prstatus32_t, pr_reg); |
6785 |
memcpy (&prstat, note->descdata, sizeof (prstat)); |
memcpy (&prstat, note->descdata, sizeof (prstat)); |
6786 |
|
|
6805 |
{ |
{ |
6806 |
/* Fail - we don't know how to handle any other |
/* Fail - we don't know how to handle any other |
6807 |
note size (ie. data object type). */ |
note size (ie. data object type). */ |
6808 |
return true; |
return TRUE; |
6809 |
} |
} |
6810 |
|
|
6811 |
/* Make a ".reg/999" section and a ".reg" section. */ |
/* Make a ".reg/999" section and a ".reg" section. */ |
6812 |
return _bfd_elfcore_make_pseudosection (abfd, ".reg", |
return _bfd_elfcore_make_pseudosection (abfd, ".reg", |
6813 |
raw_size, note->descpos + offset); |
size, note->descpos + offset); |
6814 |
} |
} |
6815 |
#endif /* defined (HAVE_PRSTATUS_T) */ |
#endif /* defined (HAVE_PRSTATUS_T) */ |
6816 |
|
|
6817 |
/* Create a pseudosection containing the exact contents of NOTE. */ |
/* Create a pseudosection containing the exact contents of NOTE. */ |
6818 |
static boolean |
static bfd_boolean |
6819 |
elfcore_make_note_pseudosection (abfd, name, note) |
elfcore_make_note_pseudosection (bfd *abfd, |
6820 |
bfd *abfd; |
char *name, |
6821 |
char *name; |
Elf_Internal_Note *note) |
|
Elf_Internal_Note *note; |
|
6822 |
{ |
{ |
6823 |
return _bfd_elfcore_make_pseudosection (abfd, name, |
return _bfd_elfcore_make_pseudosection (abfd, name, |
6824 |
note->descsz, note->descpos); |
note->descsz, note->descpos); |
6828 |
but it doesn't matter, because we don't have to pick this |
but it doesn't matter, because we don't have to pick this |
6829 |
data structure apart. */ |
data structure apart. */ |
6830 |
|
|
6831 |
static boolean |
static bfd_boolean |
6832 |
elfcore_grok_prfpreg (abfd, note) |
elfcore_grok_prfpreg (bfd *abfd, Elf_Internal_Note *note) |
|
bfd *abfd; |
|
|
Elf_Internal_Note *note; |
|
6833 |
{ |
{ |
6834 |
return elfcore_make_note_pseudosection (abfd, ".reg2", note); |
return elfcore_make_note_pseudosection (abfd, ".reg2", note); |
6835 |
} |
} |
6838 |
type of 5 (NT_PRXFPREG). Just include the whole note's contents |
type of 5 (NT_PRXFPREG). Just include the whole note's contents |
6839 |
literally. */ |
literally. */ |
6840 |
|
|
6841 |
static boolean |
static bfd_boolean |
6842 |
elfcore_grok_prxfpreg (abfd, note) |
elfcore_grok_prxfpreg (bfd *abfd, Elf_Internal_Note *note) |
|
bfd *abfd; |
|
|
Elf_Internal_Note *note; |
|
6843 |
{ |
{ |
6844 |
return elfcore_make_note_pseudosection (abfd, ".reg-xfp", note); |
return elfcore_make_note_pseudosection (abfd, ".reg-xfp", note); |
6845 |
} |
} |
6863 |
the copy will always have a terminating '\0'. */ |
the copy will always have a terminating '\0'. */ |
6864 |
|
|
6865 |
char * |
char * |
6866 |
_bfd_elfcore_strndup (abfd, start, max) |
_bfd_elfcore_strndup (bfd *abfd, char *start, size_t max) |
|
bfd *abfd; |
|
|
char *start; |
|
|
size_t max; |
|
6867 |
{ |
{ |
6868 |
char *dups; |
char *dups; |
6869 |
char *end = memchr (start, '\0', max); |
char *end = memchr (start, '\0', max); |
6874 |
else |
else |
6875 |
len = end - start; |
len = end - start; |
6876 |
|
|
6877 |
dups = bfd_alloc (abfd, (bfd_size_type) len + 1); |
dups = bfd_alloc (abfd, len + 1); |
6878 |
if (dups == NULL) |
if (dups == NULL) |
6879 |
return NULL; |
return NULL; |
6880 |
|
|
6885 |
} |
} |
6886 |
|
|
6887 |
#if defined (HAVE_PRPSINFO_T) || defined (HAVE_PSINFO_T) |
#if defined (HAVE_PRPSINFO_T) || defined (HAVE_PSINFO_T) |
6888 |
static boolean elfcore_grok_psinfo PARAMS ((bfd *, Elf_Internal_Note *)); |
static bfd_boolean |
6889 |
|
elfcore_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) |
|
static boolean |
|
|
elfcore_grok_psinfo (abfd, note) |
|
|
bfd *abfd; |
|
|
Elf_Internal_Note *note; |
|
6890 |
{ |
{ |
6891 |
if (note->descsz == sizeof (elfcore_psinfo_t)) |
if (note->descsz == sizeof (elfcore_psinfo_t)) |
6892 |
{ |
{ |
6924 |
{ |
{ |
6925 |
/* Fail - we don't know how to handle any other |
/* Fail - we don't know how to handle any other |
6926 |
note size (ie. data object type). */ |
note size (ie. data object type). */ |
6927 |
return true; |
return TRUE; |
6928 |
} |
} |
6929 |
|
|
6930 |
/* Note that for some reason, a spurious space is tacked |
/* Note that for some reason, a spurious space is tacked |
6939 |
command[n - 1] = '\0'; |
command[n - 1] = '\0'; |
6940 |
} |
} |
6941 |
|
|
6942 |
return true; |
return TRUE; |
6943 |
} |
} |
6944 |
#endif /* defined (HAVE_PRPSINFO_T) || defined (HAVE_PSINFO_T) */ |
#endif /* defined (HAVE_PRPSINFO_T) || defined (HAVE_PSINFO_T) */ |
6945 |
|
|
6946 |
#if defined (HAVE_PSTATUS_T) |
#if defined (HAVE_PSTATUS_T) |
6947 |
static boolean elfcore_grok_pstatus PARAMS ((bfd *, Elf_Internal_Note *)); |
static bfd_boolean |
6948 |
|
elfcore_grok_pstatus (bfd *abfd, Elf_Internal_Note *note) |
|
static boolean |
|
|
elfcore_grok_pstatus (abfd, note) |
|
|
bfd *abfd; |
|
|
Elf_Internal_Note *note; |
|
6949 |
{ |
{ |
6950 |
if (note->descsz == sizeof (pstatus_t) |
if (note->descsz == sizeof (pstatus_t) |
6951 |
#if defined (HAVE_PXSTATUS_T) |
#if defined (HAVE_PXSTATUS_T) |
6974 |
lwpstatus_t in pstat.pr_lwp, but we'll catch it all in an |
lwpstatus_t in pstat.pr_lwp, but we'll catch it all in an |
6975 |
NT_LWPSTATUS note, presumably. */ |
NT_LWPSTATUS note, presumably. */ |
6976 |
|
|
6977 |
return true; |
return TRUE; |
6978 |
} |
} |
6979 |
#endif /* defined (HAVE_PSTATUS_T) */ |
#endif /* defined (HAVE_PSTATUS_T) */ |
6980 |
|
|
6981 |
#if defined (HAVE_LWPSTATUS_T) |
#if defined (HAVE_LWPSTATUS_T) |
6982 |
static boolean elfcore_grok_lwpstatus PARAMS ((bfd *, Elf_Internal_Note *)); |
static bfd_boolean |
6983 |
|
elfcore_grok_lwpstatus (bfd *abfd, Elf_Internal_Note *note) |
|
static boolean |
|
|
elfcore_grok_lwpstatus (abfd, note) |
|
|
bfd *abfd; |
|
|
Elf_Internal_Note *note; |
|
6984 |
{ |
{ |
6985 |
lwpstatus_t lwpstat; |
lwpstatus_t lwpstat; |
6986 |
char buf[100]; |
char buf[100]; |
6993 |
&& note->descsz != sizeof (lwpxstatus_t) |
&& note->descsz != sizeof (lwpxstatus_t) |
6994 |
#endif |
#endif |
6995 |
) |
) |
6996 |
return true; |
return TRUE; |
6997 |
|
|
6998 |
memcpy (&lwpstat, note->descdata, sizeof (lwpstat)); |
memcpy (&lwpstat, note->descdata, sizeof (lwpstat)); |
6999 |
|
|
7004 |
|
|
7005 |
sprintf (buf, ".reg/%d", elfcore_make_pid (abfd)); |
sprintf (buf, ".reg/%d", elfcore_make_pid (abfd)); |
7006 |
len = strlen (buf) + 1; |
len = strlen (buf) + 1; |
7007 |
name = bfd_alloc (abfd, (bfd_size_type) len); |
name = bfd_alloc (abfd, len); |
7008 |
if (name == NULL) |
if (name == NULL) |
7009 |
return false; |
return FALSE; |
7010 |
memcpy (name, buf, len); |
memcpy (name, buf, len); |
7011 |
|
|
7012 |
sect = bfd_make_section (abfd, name); |
sect = bfd_make_section_anyway (abfd, name); |
7013 |
if (sect == NULL) |
if (sect == NULL) |
7014 |
return false; |
return FALSE; |
7015 |
|
|
7016 |
#if defined (HAVE_LWPSTATUS_T_PR_CONTEXT) |
#if defined (HAVE_LWPSTATUS_T_PR_CONTEXT) |
7017 |
sect->_raw_size = sizeof (lwpstat.pr_context.uc_mcontext.gregs); |
sect->size = sizeof (lwpstat.pr_context.uc_mcontext.gregs); |
7018 |
sect->filepos = note->descpos |
sect->filepos = note->descpos |
7019 |
+ offsetof (lwpstatus_t, pr_context.uc_mcontext.gregs); |
+ offsetof (lwpstatus_t, pr_context.uc_mcontext.gregs); |
7020 |
#endif |
#endif |
7021 |
|
|
7022 |
#if defined (HAVE_LWPSTATUS_T_PR_REG) |
#if defined (HAVE_LWPSTATUS_T_PR_REG) |
7023 |
sect->_raw_size = sizeof (lwpstat.pr_reg); |
sect->size = sizeof (lwpstat.pr_reg); |
7024 |
sect->filepos = note->descpos + offsetof (lwpstatus_t, pr_reg); |
sect->filepos = note->descpos + offsetof (lwpstatus_t, pr_reg); |
7025 |
#endif |
#endif |
7026 |
|
|
7028 |
sect->alignment_power = 2; |
sect->alignment_power = 2; |
7029 |
|
|
7030 |
if (!elfcore_maybe_make_sect (abfd, ".reg", sect)) |
if (!elfcore_maybe_make_sect (abfd, ".reg", sect)) |
7031 |
return false; |
return FALSE; |
7032 |
|
|
7033 |
/* Make a ".reg2/999" section */ |
/* Make a ".reg2/999" section */ |
7034 |
|
|
7035 |
sprintf (buf, ".reg2/%d", elfcore_make_pid (abfd)); |
sprintf (buf, ".reg2/%d", elfcore_make_pid (abfd)); |
7036 |
len = strlen (buf) + 1; |
len = strlen (buf) + 1; |
7037 |
name = bfd_alloc (abfd, (bfd_size_type) len); |
name = bfd_alloc (abfd, len); |
7038 |
if (name == NULL) |
if (name == NULL) |
7039 |
return false; |
return FALSE; |
7040 |
memcpy (name, buf, len); |
memcpy (name, buf, len); |
7041 |
|
|
7042 |
sect = bfd_make_section (abfd, name); |
sect = bfd_make_section_anyway (abfd, name); |
7043 |
if (sect == NULL) |
if (sect == NULL) |
7044 |
return false; |
return FALSE; |
7045 |
|
|
7046 |
#if defined (HAVE_LWPSTATUS_T_PR_CONTEXT) |
#if defined (HAVE_LWPSTATUS_T_PR_CONTEXT) |
7047 |
sect->_raw_size = sizeof (lwpstat.pr_context.uc_mcontext.fpregs); |
sect->size = sizeof (lwpstat.pr_context.uc_mcontext.fpregs); |
7048 |
sect->filepos = note->descpos |
sect->filepos = note->descpos |
7049 |
+ offsetof (lwpstatus_t, pr_context.uc_mcontext.fpregs); |
+ offsetof (lwpstatus_t, pr_context.uc_mcontext.fpregs); |
7050 |
#endif |
#endif |
7051 |
|
|
7052 |
#if defined (HAVE_LWPSTATUS_T_PR_FPREG) |
#if defined (HAVE_LWPSTATUS_T_PR_FPREG) |
7053 |
sect->_raw_size = sizeof (lwpstat.pr_fpreg); |
sect->size = sizeof (lwpstat.pr_fpreg); |
7054 |
sect->filepos = note->descpos + offsetof (lwpstatus_t, pr_fpreg); |
sect->filepos = note->descpos + offsetof (lwpstatus_t, pr_fpreg); |
7055 |
#endif |
#endif |
7056 |
|
|
7062 |
#endif /* defined (HAVE_LWPSTATUS_T) */ |
#endif /* defined (HAVE_LWPSTATUS_T) */ |
7063 |
|
|
7064 |
#if defined (HAVE_WIN32_PSTATUS_T) |
#if defined (HAVE_WIN32_PSTATUS_T) |
7065 |
static boolean |
static bfd_boolean |
7066 |
elfcore_grok_win32pstatus (abfd, note) |
elfcore_grok_win32pstatus (bfd *abfd, Elf_Internal_Note *note) |
|
bfd *abfd; |
|
|
Elf_Internal_Note *note; |
|
7067 |
{ |
{ |
7068 |
char buf[30]; |
char buf[30]; |
7069 |
char *name; |
char *name; |
7072 |
win32_pstatus_t pstatus; |
win32_pstatus_t pstatus; |
7073 |
|
|
7074 |
if (note->descsz < sizeof (pstatus)) |
if (note->descsz < sizeof (pstatus)) |
7075 |
return true; |
return TRUE; |
7076 |
|
|
7077 |
memcpy (&pstatus, note->descdata, sizeof (pstatus)); |
memcpy (&pstatus, note->descdata, sizeof (pstatus)); |
7078 |
|
|
7086 |
|
|
7087 |
case NOTE_INFO_THREAD: |
case NOTE_INFO_THREAD: |
7088 |
/* Make a ".reg/999" section. */ |
/* Make a ".reg/999" section. */ |
7089 |
sprintf (buf, ".reg/%d", pstatus.data.thread_info.tid); |
sprintf (buf, ".reg/%ld", (long) pstatus.data.thread_info.tid); |
7090 |
|
|
7091 |
len = strlen (buf) + 1; |
len = strlen (buf) + 1; |
7092 |
name = bfd_alloc (abfd, (bfd_size_type) len); |
name = bfd_alloc (abfd, len); |
7093 |
if (name == NULL) |
if (name == NULL) |
7094 |
return false; |
return FALSE; |
7095 |
|
|
7096 |
memcpy (name, buf, len); |
memcpy (name, buf, len); |
7097 |
|
|
7098 |
sect = bfd_make_section (abfd, name); |
sect = bfd_make_section_anyway (abfd, name); |
7099 |
if (sect == NULL) |
if (sect == NULL) |
7100 |
return false; |
return FALSE; |
7101 |
|
|
7102 |
sect->_raw_size = sizeof (pstatus.data.thread_info.thread_context); |
sect->size = sizeof (pstatus.data.thread_info.thread_context); |
7103 |
sect->filepos = (note->descpos |
sect->filepos = (note->descpos |
7104 |
+ offsetof (struct win32_pstatus, |
+ offsetof (struct win32_pstatus, |
7105 |
data.thread_info.thread_context)); |
data.thread_info.thread_context)); |
7108 |
|
|
7109 |
if (pstatus.data.thread_info.is_active_thread) |
if (pstatus.data.thread_info.is_active_thread) |
7110 |
if (! elfcore_maybe_make_sect (abfd, ".reg", sect)) |
if (! elfcore_maybe_make_sect (abfd, ".reg", sect)) |
7111 |
return false; |
return FALSE; |
7112 |
break; |
break; |
7113 |
|
|
7114 |
case NOTE_INFO_MODULE: |
case NOTE_INFO_MODULE: |
7115 |
/* Make a ".module/xxxxxxxx" section. */ |
/* Make a ".module/xxxxxxxx" section. */ |
7116 |
sprintf (buf, ".module/%08x", pstatus.data.module_info.base_address); |
sprintf (buf, ".module/%08lx", |
7117 |
|
(long) pstatus.data.module_info.base_address); |
7118 |
|
|
7119 |
len = strlen (buf) + 1; |
len = strlen (buf) + 1; |
7120 |
name = bfd_alloc (abfd, (bfd_size_type) len); |
name = bfd_alloc (abfd, len); |
7121 |
if (name == NULL) |
if (name == NULL) |
7122 |
return false; |
return FALSE; |
7123 |
|
|
7124 |
memcpy (name, buf, len); |
memcpy (name, buf, len); |
7125 |
|
|
7126 |
sect = bfd_make_section (abfd, name); |
sect = bfd_make_section_anyway (abfd, name); |
7127 |
|
|
7128 |
if (sect == NULL) |
if (sect == NULL) |
7129 |
return false; |
return FALSE; |
7130 |
|
|
7131 |
sect->_raw_size = note->descsz; |
sect->size = note->descsz; |
7132 |
sect->filepos = note->descpos; |
sect->filepos = note->descpos; |
7133 |
sect->flags = SEC_HAS_CONTENTS; |
sect->flags = SEC_HAS_CONTENTS; |
7134 |
sect->alignment_power = 2; |
sect->alignment_power = 2; |
7135 |
break; |
break; |
7136 |
|
|
7137 |
default: |
default: |
7138 |
return true; |
return TRUE; |
7139 |
} |
} |
7140 |
|
|
7141 |
return true; |
return TRUE; |
7142 |
} |
} |
7143 |
#endif /* HAVE_WIN32_PSTATUS_T */ |
#endif /* HAVE_WIN32_PSTATUS_T */ |
7144 |
|
|
7145 |
static boolean |
static bfd_boolean |
7146 |
elfcore_grok_note (abfd, note) |
elfcore_grok_note (bfd *abfd, Elf_Internal_Note *note) |
|
bfd *abfd; |
|
|
Elf_Internal_Note *note; |
|
7147 |
{ |
{ |
7148 |
struct elf_backend_data *bed = get_elf_backend_data (abfd); |
const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
7149 |
|
|
7150 |
switch (note->type) |
switch (note->type) |
7151 |
{ |
{ |
7152 |
default: |
default: |
7153 |
return true; |
return TRUE; |
7154 |
|
|
7155 |
case NT_PRSTATUS: |
case NT_PRSTATUS: |
7156 |
if (bed->elf_backend_grok_prstatus) |
if (bed->elf_backend_grok_prstatus) |
7157 |
if ((*bed->elf_backend_grok_prstatus) (abfd, note)) |
if ((*bed->elf_backend_grok_prstatus) (abfd, note)) |
7158 |
return true; |
return TRUE; |
7159 |
#if defined (HAVE_PRSTATUS_T) |
#if defined (HAVE_PRSTATUS_T) |
7160 |
return elfcore_grok_prstatus (abfd, note); |
return elfcore_grok_prstatus (abfd, note); |
7161 |
#else |
#else |
7162 |
return true; |
return TRUE; |
7163 |
#endif |
#endif |
7164 |
|
|
7165 |
#if defined (HAVE_PSTATUS_T) |
#if defined (HAVE_PSTATUS_T) |
7181 |
#endif |
#endif |
7182 |
|
|
7183 |
case NT_PRXFPREG: /* Linux SSE extension */ |
case NT_PRXFPREG: /* Linux SSE extension */ |
7184 |
if (note->namesz == 5 |
if (note->namesz == 6 |
7185 |
&& ! strcmp (note->namedata, "LINUX")) |
&& strcmp (note->namedata, "LINUX") == 0) |
7186 |
return elfcore_grok_prxfpreg (abfd, note); |
return elfcore_grok_prxfpreg (abfd, note); |
7187 |
else |
else |
7188 |
return true; |
return TRUE; |
7189 |
|
|
7190 |
case NT_PRPSINFO: |
case NT_PRPSINFO: |
7191 |
case NT_PSINFO: |
case NT_PSINFO: |
7192 |
if (bed->elf_backend_grok_psinfo) |
if (bed->elf_backend_grok_psinfo) |
7193 |
if ((*bed->elf_backend_grok_psinfo) (abfd, note)) |
if ((*bed->elf_backend_grok_psinfo) (abfd, note)) |
7194 |
return true; |
return TRUE; |
7195 |
#if defined (HAVE_PRPSINFO_T) || defined (HAVE_PSINFO_T) |
#if defined (HAVE_PRPSINFO_T) || defined (HAVE_PSINFO_T) |
7196 |
return elfcore_grok_psinfo (abfd, note); |
return elfcore_grok_psinfo (abfd, note); |
7197 |
#else |
#else |
7198 |
return true; |
return TRUE; |
7199 |
#endif |
#endif |
7200 |
|
|
7201 |
|
case NT_AUXV: |
7202 |
|
{ |
7203 |
|
asection *sect = bfd_make_section_anyway (abfd, ".auxv"); |
7204 |
|
|
7205 |
|
if (sect == NULL) |
7206 |
|
return FALSE; |
7207 |
|
sect->size = note->descsz; |
7208 |
|
sect->filepos = note->descpos; |
7209 |
|
sect->flags = SEC_HAS_CONTENTS; |
7210 |
|
sect->alignment_power = 1 + bfd_get_arch_size (abfd) / 32; |
7211 |
|
|
7212 |
|
return TRUE; |
7213 |
|
} |
7214 |
} |
} |
7215 |
} |
} |
7216 |
|
|
7217 |
static boolean |
static bfd_boolean |
7218 |
elfcore_netbsd_get_lwpid (note, lwpidp) |
elfcore_netbsd_get_lwpid (Elf_Internal_Note *note, int *lwpidp) |
|
Elf_Internal_Note *note; |
|
|
int *lwpidp; |
|
7219 |
{ |
{ |
7220 |
char *cp; |
char *cp; |
7221 |
|
|
7223 |
if (cp != NULL) |
if (cp != NULL) |
7224 |
{ |
{ |
7225 |
*lwpidp = atoi(cp + 1); |
*lwpidp = atoi(cp + 1); |
7226 |
return true; |
return TRUE; |
7227 |
} |
} |
7228 |
return false; |
return FALSE; |
7229 |
} |
} |
7230 |
|
|
7231 |
static boolean |
static bfd_boolean |
7232 |
elfcore_grok_netbsd_procinfo (abfd, note) |
elfcore_grok_netbsd_procinfo (bfd *abfd, Elf_Internal_Note *note) |
|
bfd *abfd; |
|
|
Elf_Internal_Note *note; |
|
7233 |
{ |
{ |
7234 |
|
|
7235 |
/* Signal number at offset 0x08. */ |
/* Signal number at offset 0x08. */ |
7244 |
elf_tdata (abfd)->core_command |
elf_tdata (abfd)->core_command |
7245 |
= _bfd_elfcore_strndup (abfd, note->descdata + 0x7c, 31); |
= _bfd_elfcore_strndup (abfd, note->descdata + 0x7c, 31); |
7246 |
|
|
7247 |
return true; |
return elfcore_make_note_pseudosection (abfd, ".note.netbsdcore.procinfo", |
7248 |
|
note); |
7249 |
} |
} |
7250 |
|
|
7251 |
static boolean |
static bfd_boolean |
7252 |
elfcore_grok_netbsd_note (abfd, note) |
elfcore_grok_netbsd_note (bfd *abfd, Elf_Internal_Note *note) |
|
bfd *abfd; |
|
|
Elf_Internal_Note *note; |
|
7253 |
{ |
{ |
7254 |
int lwp; |
int lwp; |
7255 |
|
|
7272 |
understand it. */ |
understand it. */ |
7273 |
|
|
7274 |
if (note->type < NT_NETBSDCORE_FIRSTMACH) |
if (note->type < NT_NETBSDCORE_FIRSTMACH) |
7275 |
return true; |
return TRUE; |
7276 |
|
|
7277 |
|
|
7278 |
switch (bfd_get_arch (abfd)) |
switch (bfd_get_arch (abfd)) |
7291 |
return elfcore_make_note_pseudosection (abfd, ".reg2", note); |
return elfcore_make_note_pseudosection (abfd, ".reg2", note); |
7292 |
|
|
7293 |
default: |
default: |
7294 |
return true; |
return TRUE; |
7295 |
} |
} |
7296 |
|
|
7297 |
/* On all other arch's, PT_GETREGS == mach+1 and |
/* On all other arch's, PT_GETREGS == mach+1 and |
7307 |
return elfcore_make_note_pseudosection (abfd, ".reg2", note); |
return elfcore_make_note_pseudosection (abfd, ".reg2", note); |
7308 |
|
|
7309 |
default: |
default: |
7310 |
return true; |
return TRUE; |
7311 |
} |
} |
7312 |
} |
} |
7313 |
/* NOTREACHED */ |
/* NOTREACHED */ |
7314 |
} |
} |
7315 |
|
|
7316 |
|
static bfd_boolean |
7317 |
|
elfcore_grok_nto_status (bfd *abfd, Elf_Internal_Note *note, pid_t *tid) |
7318 |
|
{ |
7319 |
|
void *ddata = note->descdata; |
7320 |
|
char buf[100]; |
7321 |
|
char *name; |
7322 |
|
asection *sect; |
7323 |
|
short sig; |
7324 |
|
unsigned flags; |
7325 |
|
|
7326 |
|
/* nto_procfs_status 'pid' field is at offset 0. */ |
7327 |
|
elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, (bfd_byte *) ddata); |
7328 |
|
|
7329 |
|
/* nto_procfs_status 'tid' field is at offset 4. Pass it back. */ |
7330 |
|
*tid = bfd_get_32 (abfd, (bfd_byte *) ddata + 4); |
7331 |
|
|
7332 |
|
/* nto_procfs_status 'flags' field is at offset 8. */ |
7333 |
|
flags = bfd_get_32 (abfd, (bfd_byte *) ddata + 8); |
7334 |
|
|
7335 |
|
/* nto_procfs_status 'what' field is at offset 14. */ |
7336 |
|
if ((sig = bfd_get_16 (abfd, (bfd_byte *) ddata + 14)) > 0) |
7337 |
|
{ |
7338 |
|
elf_tdata (abfd)->core_signal = sig; |
7339 |
|
elf_tdata (abfd)->core_lwpid = *tid; |
7340 |
|
} |
7341 |
|
|
7342 |
|
/* _DEBUG_FLAG_CURTID (current thread) is 0x80. Some cores |
7343 |
|
do not come from signals so we make sure we set the current |
7344 |
|
thread just in case. */ |
7345 |
|
if (flags & 0x00000080) |
7346 |
|
elf_tdata (abfd)->core_lwpid = *tid; |
7347 |
|
|
7348 |
|
/* Make a ".qnx_core_status/%d" section. */ |
7349 |
|
sprintf (buf, ".qnx_core_status/%d", *tid); |
7350 |
|
|
7351 |
|
name = bfd_alloc (abfd, strlen (buf) + 1); |
7352 |
|
if (name == NULL) |
7353 |
|
return FALSE; |
7354 |
|
strcpy (name, buf); |
7355 |
|
|
7356 |
|
sect = bfd_make_section_anyway (abfd, name); |
7357 |
|
if (sect == NULL) |
7358 |
|
return FALSE; |
7359 |
|
|
7360 |
|
sect->size = note->descsz; |
7361 |
|
sect->filepos = note->descpos; |
7362 |
|
sect->flags = SEC_HAS_CONTENTS; |
7363 |
|
sect->alignment_power = 2; |
7364 |
|
|
7365 |
|
return (elfcore_maybe_make_sect (abfd, ".qnx_core_status", sect)); |
7366 |
|
} |
7367 |
|
|
7368 |
|
static bfd_boolean |
7369 |
|
elfcore_grok_nto_regs (bfd *abfd, |
7370 |
|
Elf_Internal_Note *note, |
7371 |
|
pid_t tid, |
7372 |
|
char *base) |
7373 |
|
{ |
7374 |
|
char buf[100]; |
7375 |
|
char *name; |
7376 |
|
asection *sect; |
7377 |
|
|
7378 |
|
/* Make a "(base)/%d" section. */ |
7379 |
|
sprintf (buf, "%s/%d", base, tid); |
7380 |
|
|
7381 |
|
name = bfd_alloc (abfd, strlen (buf) + 1); |
7382 |
|
if (name == NULL) |
7383 |
|
return FALSE; |
7384 |
|
strcpy (name, buf); |
7385 |
|
|
7386 |
|
sect = bfd_make_section_anyway (abfd, name); |
7387 |
|
if (sect == NULL) |
7388 |
|
return FALSE; |
7389 |
|
|
7390 |
|
sect->size = note->descsz; |
7391 |
|
sect->filepos = note->descpos; |
7392 |
|
sect->flags = SEC_HAS_CONTENTS; |
7393 |
|
sect->alignment_power = 2; |
7394 |
|
|
7395 |
|
/* This is the current thread. */ |
7396 |
|
if (elf_tdata (abfd)->core_lwpid == tid) |
7397 |
|
return elfcore_maybe_make_sect (abfd, base, sect); |
7398 |
|
|
7399 |
|
return TRUE; |
7400 |
|
} |
7401 |
|
|
7402 |
|
#define BFD_QNT_CORE_INFO 7 |
7403 |
|
#define BFD_QNT_CORE_STATUS 8 |
7404 |
|
#define BFD_QNT_CORE_GREG 9 |
7405 |
|
#define BFD_QNT_CORE_FPREG 10 |
7406 |
|
|
7407 |
|
static bfd_boolean |
7408 |
|
elfcore_grok_nto_note (bfd *abfd, Elf_Internal_Note *note) |
7409 |
|
{ |
7410 |
|
/* Every GREG section has a STATUS section before it. Store the |
7411 |
|
tid from the previous call to pass down to the next gregs |
7412 |
|
function. */ |
7413 |
|
static pid_t tid = 1; |
7414 |
|
|
7415 |
|
switch (note->type) |
7416 |
|
{ |
7417 |
|
case BFD_QNT_CORE_INFO: |
7418 |
|
return elfcore_make_note_pseudosection (abfd, ".qnx_core_info", note); |
7419 |
|
case BFD_QNT_CORE_STATUS: |
7420 |
|
return elfcore_grok_nto_status (abfd, note, &tid); |
7421 |
|
case BFD_QNT_CORE_GREG: |
7422 |
|
return elfcore_grok_nto_regs (abfd, note, tid, ".reg"); |
7423 |
|
case BFD_QNT_CORE_FPREG: |
7424 |
|
return elfcore_grok_nto_regs (abfd, note, tid, ".reg2"); |
7425 |
|
default: |
7426 |
|
return TRUE; |
7427 |
|
} |
7428 |
|
} |
7429 |
|
|
7430 |
/* Function: elfcore_write_note |
/* Function: elfcore_write_note |
7431 |
|
|
7432 |
Inputs: |
Inputs: |
7440 |
End of buffer containing note. */ |
End of buffer containing note. */ |
7441 |
|
|
7442 |
char * |
char * |
7443 |
elfcore_write_note (abfd, buf, bufsiz, name, type, input, size) |
elfcore_write_note (bfd *abfd, |
7444 |
bfd *abfd; |
char *buf, |
7445 |
char *buf; |
int *bufsiz, |
7446 |
int *bufsiz; |
const char *name, |
7447 |
const char *name; |
int type, |
7448 |
int type; |
const void *input, |
7449 |
const PTR input; |
int size) |
|
int size; |
|
7450 |
{ |
{ |
7451 |
Elf_External_Note *xnp; |
Elf_External_Note *xnp; |
7452 |
size_t namesz; |
size_t namesz; |
7458 |
pad = 0; |
pad = 0; |
7459 |
if (name != NULL) |
if (name != NULL) |
7460 |
{ |
{ |
7461 |
struct elf_backend_data *bed; |
const struct elf_backend_data *bed; |
7462 |
|
|
7463 |
namesz = strlen (name) + 1; |
namesz = strlen (name) + 1; |
7464 |
bed = get_elf_backend_data (abfd); |
bed = get_elf_backend_data (abfd); |
7465 |
pad = -namesz & (bed->s->file_align - 1); |
pad = -namesz & ((1 << bed->s->log_file_align) - 1); |
7466 |
} |
} |
7467 |
|
|
7468 |
newspace = sizeof (Elf_External_Note) - 1 + namesz + pad + size; |
newspace = 12 + namesz + pad + size; |
7469 |
|
|
7470 |
p = realloc (buf, *bufsiz + newspace); |
p = realloc (buf, *bufsiz + newspace); |
7471 |
dest = p + *bufsiz; |
dest = p + *bufsiz; |
7491 |
|
|
7492 |
#if defined (HAVE_PRPSINFO_T) || defined (HAVE_PSINFO_T) |
#if defined (HAVE_PRPSINFO_T) || defined (HAVE_PSINFO_T) |
7493 |
char * |
char * |
7494 |
elfcore_write_prpsinfo (abfd, buf, bufsiz, fname, psargs) |
elfcore_write_prpsinfo (bfd *abfd, |
7495 |
bfd *abfd; |
char *buf, |
7496 |
char *buf; |
int *bufsiz, |
7497 |
int *bufsiz; |
const char *fname, |
7498 |
const char *fname; |
const char *psargs) |
|
const char *psargs; |
|
7499 |
{ |
{ |
7500 |
int note_type; |
int note_type; |
7501 |
char *note_name = "CORE"; |
char *note_name = "CORE"; |
7518 |
|
|
7519 |
#if defined (HAVE_PRSTATUS_T) |
#if defined (HAVE_PRSTATUS_T) |
7520 |
char * |
char * |
7521 |
elfcore_write_prstatus (abfd, buf, bufsiz, pid, cursig, gregs) |
elfcore_write_prstatus (bfd *abfd, |
7522 |
bfd *abfd; |
char *buf, |
7523 |
char *buf; |
int *bufsiz, |
7524 |
int *bufsiz; |
long pid, |
7525 |
long pid; |
int cursig, |
7526 |
int cursig; |
const void *gregs) |
|
const PTR gregs; |
|
7527 |
{ |
{ |
7528 |
prstatus_t prstat; |
prstatus_t prstat; |
7529 |
char *note_name = "CORE"; |
char *note_name = "CORE"; |
7539 |
|
|
7540 |
#if defined (HAVE_LWPSTATUS_T) |
#if defined (HAVE_LWPSTATUS_T) |
7541 |
char * |
char * |
7542 |
elfcore_write_lwpstatus (abfd, buf, bufsiz, pid, cursig, gregs) |
elfcore_write_lwpstatus (bfd *abfd, |
7543 |
bfd *abfd; |
char *buf, |
7544 |
char *buf; |
int *bufsiz, |
7545 |
int *bufsiz; |
long pid, |
7546 |
long pid; |
int cursig, |
7547 |
int cursig; |
const void *gregs) |
|
const PTR gregs; |
|
7548 |
{ |
{ |
7549 |
lwpstatus_t lwpstat; |
lwpstatus_t lwpstat; |
7550 |
char *note_name = "CORE"; |
char *note_name = "CORE"; |
7570 |
|
|
7571 |
#if defined (HAVE_PSTATUS_T) |
#if defined (HAVE_PSTATUS_T) |
7572 |
char * |
char * |
7573 |
elfcore_write_pstatus (abfd, buf, bufsiz, pid, cursig, gregs) |
elfcore_write_pstatus (bfd *abfd, |
7574 |
bfd *abfd; |
char *buf, |
7575 |
char *buf; |
int *bufsiz, |
7576 |
int *bufsiz; |
long pid, |
7577 |
long pid; |
int cursig, |
7578 |
int cursig; |
const void *gregs) |
|
const PTR gregs; |
|
7579 |
{ |
{ |
7580 |
pstatus_t pstat; |
pstatus_t pstat; |
7581 |
char *note_name = "CORE"; |
char *note_name = "CORE"; |
7589 |
#endif /* HAVE_PSTATUS_T */ |
#endif /* HAVE_PSTATUS_T */ |
7590 |
|
|
7591 |
char * |
char * |
7592 |
elfcore_write_prfpreg (abfd, buf, bufsiz, fpregs, size) |
elfcore_write_prfpreg (bfd *abfd, |
7593 |
bfd *abfd; |
char *buf, |
7594 |
char *buf; |
int *bufsiz, |
7595 |
int *bufsiz; |
const void *fpregs, |
7596 |
const PTR fpregs; |
int size) |
|
int size; |
|
7597 |
{ |
{ |
7598 |
char *note_name = "CORE"; |
char *note_name = "CORE"; |
7599 |
return elfcore_write_note (abfd, buf, bufsiz, |
return elfcore_write_note (abfd, buf, bufsiz, |
7601 |
} |
} |
7602 |
|
|
7603 |
char * |
char * |
7604 |
elfcore_write_prxfpreg (abfd, buf, bufsiz, xfpregs, size) |
elfcore_write_prxfpreg (bfd *abfd, |
7605 |
bfd *abfd; |
char *buf, |
7606 |
char *buf; |
int *bufsiz, |
7607 |
int *bufsiz; |
const void *xfpregs, |
7608 |
const PTR xfpregs; |
int size) |
|
int size; |
|
7609 |
{ |
{ |
7610 |
char *note_name = "LINUX"; |
char *note_name = "LINUX"; |
7611 |
return elfcore_write_note (abfd, buf, bufsiz, |
return elfcore_write_note (abfd, buf, bufsiz, |
7612 |
note_name, NT_PRXFPREG, xfpregs, size); |
note_name, NT_PRXFPREG, xfpregs, size); |
7613 |
} |
} |
7614 |
|
|
7615 |
static boolean |
static bfd_boolean |
7616 |
elfcore_read_notes (abfd, offset, size) |
elfcore_read_notes (bfd *abfd, file_ptr offset, bfd_size_type size) |
|
bfd *abfd; |
|
|
file_ptr offset; |
|
|
bfd_size_type size; |
|
7617 |
{ |
{ |
7618 |
char *buf; |
char *buf; |
7619 |
char *p; |
char *p; |
7620 |
|
|
7621 |
if (size <= 0) |
if (size <= 0) |
7622 |
return true; |
return TRUE; |
7623 |
|
|
7624 |
if (bfd_seek (abfd, offset, SEEK_SET) != 0) |
if (bfd_seek (abfd, offset, SEEK_SET) != 0) |
7625 |
return false; |
return FALSE; |
7626 |
|
|
7627 |
buf = bfd_malloc (size); |
buf = bfd_malloc (size); |
7628 |
if (buf == NULL) |
if (buf == NULL) |
7629 |
return false; |
return FALSE; |
7630 |
|
|
7631 |
if (bfd_bread (buf, size, abfd) != size) |
if (bfd_bread (buf, size, abfd) != size) |
7632 |
{ |
{ |
7633 |
error: |
error: |
7634 |
free (buf); |
free (buf); |
7635 |
return false; |
return FALSE; |
7636 |
} |
} |
7637 |
|
|
7638 |
p = buf; |
p = buf; |
7656 |
if (! elfcore_grok_netbsd_note (abfd, &in)) |
if (! elfcore_grok_netbsd_note (abfd, &in)) |
7657 |
goto error; |
goto error; |
7658 |
} |
} |
7659 |
|
else if (strncmp (in.namedata, "QNX", 3) == 0) |
7660 |
|
{ |
7661 |
|
if (! elfcore_grok_nto_note (abfd, &in)) |
7662 |
|
goto error; |
7663 |
|
} |
7664 |
else |
else |
7665 |
{ |
{ |
7666 |
if (! elfcore_grok_note (abfd, &in)) |
if (! elfcore_grok_note (abfd, &in)) |
7671 |
} |
} |
7672 |
|
|
7673 |
free (buf); |
free (buf); |
7674 |
return true; |
return TRUE; |
7675 |
} |
} |
7676 |
|
|
7677 |
/* Providing external access to the ELF program header table. */ |
/* Providing external access to the ELF program header table. */ |
7681 |
occurs; bfd_get_error will return an appropriate code. */ |
occurs; bfd_get_error will return an appropriate code. */ |
7682 |
|
|
7683 |
long |
long |
7684 |
bfd_get_elf_phdr_upper_bound (abfd) |
bfd_get_elf_phdr_upper_bound (bfd *abfd) |
|
bfd *abfd; |
|
7685 |
{ |
{ |
7686 |
if (abfd->xvec->flavour != bfd_target_elf_flavour) |
if (abfd->xvec->flavour != bfd_target_elf_flavour) |
7687 |
{ |
{ |
7701 |
error occurs; bfd_get_error will return an appropriate code. */ |
error occurs; bfd_get_error will return an appropriate code. */ |
7702 |
|
|
7703 |
int |
int |
7704 |
bfd_get_elf_phdrs (abfd, phdrs) |
bfd_get_elf_phdrs (bfd *abfd, void *phdrs) |
|
bfd *abfd; |
|
|
void *phdrs; |
|
7705 |
{ |
{ |
7706 |
int num_phdrs; |
int num_phdrs; |
7707 |
|
|
7719 |
} |
} |
7720 |
|
|
7721 |
void |
void |
7722 |
_bfd_elf_sprintf_vma (abfd, buf, value) |
_bfd_elf_sprintf_vma (bfd *abfd ATTRIBUTE_UNUSED, char *buf, bfd_vma value) |
|
bfd *abfd ATTRIBUTE_UNUSED; |
|
|
char *buf; |
|
|
bfd_vma value; |
|
7723 |
{ |
{ |
7724 |
#ifdef BFD64 |
#ifdef BFD64 |
7725 |
Elf_Internal_Ehdr *i_ehdrp; /* Elf file header, internal form */ |
Elf_Internal_Ehdr *i_ehdrp; /* Elf file header, internal form */ |
7747 |
} |
} |
7748 |
|
|
7749 |
void |
void |
7750 |
_bfd_elf_fprintf_vma (abfd, stream, value) |
_bfd_elf_fprintf_vma (bfd *abfd ATTRIBUTE_UNUSED, void *stream, bfd_vma value) |
|
bfd *abfd ATTRIBUTE_UNUSED; |
|
|
PTR stream; |
|
|
bfd_vma value; |
|
7751 |
{ |
{ |
7752 |
#ifdef BFD64 |
#ifdef BFD64 |
7753 |
Elf_Internal_Ehdr *i_ehdrp; /* Elf file header, internal form */ |
Elf_Internal_Ehdr *i_ehdrp; /* Elf file header, internal form */ |
7776 |
} |
} |
7777 |
|
|
7778 |
enum elf_reloc_type_class |
enum elf_reloc_type_class |
7779 |
_bfd_elf_reloc_type_class (rela) |
_bfd_elf_reloc_type_class (const Elf_Internal_Rela *rela ATTRIBUTE_UNUSED) |
|
const Elf_Internal_Rela *rela ATTRIBUTE_UNUSED; |
|
7780 |
{ |
{ |
7781 |
return reloc_class_normal; |
return reloc_class_normal; |
7782 |
} |
} |
7785 |
relocation against a local symbol. */ |
relocation against a local symbol. */ |
7786 |
|
|
7787 |
bfd_vma |
bfd_vma |
7788 |
_bfd_elf_rela_local_sym (abfd, sym, sec, rel) |
_bfd_elf_rela_local_sym (bfd *abfd, |
7789 |
bfd *abfd; |
Elf_Internal_Sym *sym, |
7790 |
Elf_Internal_Sym *sym; |
asection **psec, |
7791 |
asection *sec; |
Elf_Internal_Rela *rel) |
|
Elf_Internal_Rela *rel; |
|
7792 |
{ |
{ |
7793 |
|
asection *sec = *psec; |
7794 |
bfd_vma relocation; |
bfd_vma relocation; |
7795 |
|
|
7796 |
relocation = (sec->output_section->vma |
relocation = (sec->output_section->vma |
7798 |
+ sym->st_value); |
+ sym->st_value); |
7799 |
if ((sec->flags & SEC_MERGE) |
if ((sec->flags & SEC_MERGE) |
7800 |
&& ELF_ST_TYPE (sym->st_info) == STT_SECTION |
&& ELF_ST_TYPE (sym->st_info) == STT_SECTION |
7801 |
&& elf_section_data (sec)->sec_info_type == ELF_INFO_TYPE_MERGE) |
&& sec->sec_info_type == ELF_INFO_TYPE_MERGE) |
7802 |
{ |
{ |
|
asection *msec; |
|
|
|
|
|
msec = sec; |
|
7803 |
rel->r_addend = |
rel->r_addend = |
7804 |
_bfd_merged_section_offset (abfd, &msec, |
_bfd_merged_section_offset (abfd, psec, |
7805 |
elf_section_data (sec)->sec_info, |
elf_section_data (sec)->sec_info, |
7806 |
sym->st_value + rel->r_addend, |
sym->st_value + rel->r_addend); |
7807 |
(bfd_vma) 0) |
if (sec != *psec) |
7808 |
- relocation; |
{ |
7809 |
rel->r_addend += msec->output_section->vma + msec->output_offset; |
/* If we have changed the section, and our original section is |
7810 |
|
marked with SEC_EXCLUDE, it means that the original |
7811 |
|
SEC_MERGE section has been completely subsumed in some |
7812 |
|
other SEC_MERGE section. In this case, we need to leave |
7813 |
|
some info around for --emit-relocs. */ |
7814 |
|
if ((sec->flags & SEC_EXCLUDE) != 0) |
7815 |
|
sec->kept_section = *psec; |
7816 |
|
sec = *psec; |
7817 |
|
} |
7818 |
|
rel->r_addend -= relocation; |
7819 |
|
rel->r_addend += sec->output_section->vma + sec->output_offset; |
7820 |
} |
} |
7821 |
return relocation; |
return relocation; |
7822 |
} |
} |
7823 |
|
|
7824 |
bfd_vma |
bfd_vma |
7825 |
_bfd_elf_rel_local_sym (abfd, sym, psec, addend) |
_bfd_elf_rel_local_sym (bfd *abfd, |
7826 |
bfd *abfd; |
Elf_Internal_Sym *sym, |
7827 |
Elf_Internal_Sym *sym; |
asection **psec, |
7828 |
asection **psec; |
bfd_vma addend) |
|
bfd_vma addend; |
|
7829 |
{ |
{ |
7830 |
asection *sec = *psec; |
asection *sec = *psec; |
7831 |
|
|
7832 |
if (elf_section_data (sec)->sec_info_type != ELF_INFO_TYPE_MERGE) |
if (sec->sec_info_type != ELF_INFO_TYPE_MERGE) |
7833 |
return sym->st_value + addend; |
return sym->st_value + addend; |
7834 |
|
|
7835 |
return _bfd_merged_section_offset (abfd, psec, |
return _bfd_merged_section_offset (abfd, psec, |
7836 |
elf_section_data (sec)->sec_info, |
elf_section_data (sec)->sec_info, |
7837 |
sym->st_value + addend, (bfd_vma) 0); |
sym->st_value + addend); |
7838 |
} |
} |
7839 |
|
|
7840 |
bfd_vma |
bfd_vma |
7841 |
_bfd_elf_section_offset (abfd, info, sec, offset) |
_bfd_elf_section_offset (bfd *abfd, |
7842 |
bfd *abfd; |
struct bfd_link_info *info, |
7843 |
struct bfd_link_info *info; |
asection *sec, |
7844 |
asection *sec; |
bfd_vma offset) |
|
bfd_vma offset; |
|
7845 |
{ |
{ |
7846 |
struct bfd_elf_section_data *sec_data; |
switch (sec->sec_info_type) |
|
|
|
|
sec_data = elf_section_data (sec); |
|
|
switch (sec_data->sec_info_type) |
|
7847 |
{ |
{ |
7848 |
case ELF_INFO_TYPE_STABS: |
case ELF_INFO_TYPE_STABS: |
7849 |
return _bfd_stab_section_offset |
return _bfd_stab_section_offset (sec, elf_section_data (sec)->sec_info, |
7850 |
(abfd, &elf_hash_table (info)->merge_info, sec, &sec_data->sec_info, |
offset); |
|
offset); |
|
7851 |
case ELF_INFO_TYPE_EH_FRAME: |
case ELF_INFO_TYPE_EH_FRAME: |
7852 |
return _bfd_elf_eh_frame_section_offset (abfd, sec, offset); |
return _bfd_elf_eh_frame_section_offset (abfd, info, sec, offset); |
7853 |
default: |
default: |
7854 |
return offset; |
return offset; |
7855 |
} |
} |
7856 |
} |
} |
7857 |
|
|
7858 |
|
/* Create a new BFD as if by bfd_openr. Rather than opening a file, |
7859 |
|
reconstruct an ELF file by reading the segments out of remote memory |
7860 |
|
based on the ELF file header at EHDR_VMA and the ELF program headers it |
7861 |
|
points to. If not null, *LOADBASEP is filled in with the difference |
7862 |
|
between the VMAs from which the segments were read, and the VMAs the |
7863 |
|
file headers (and hence BFD's idea of each section's VMA) put them at. |
7864 |
|
|
7865 |
|
The function TARGET_READ_MEMORY is called to copy LEN bytes from the |
7866 |
|
remote memory at target address VMA into the local buffer at MYADDR; it |
7867 |
|
should return zero on success or an `errno' code on failure. TEMPL must |
7868 |
|
be a BFD for an ELF target with the word size and byte order found in |
7869 |
|
the remote memory. */ |
7870 |
|
|
7871 |
|
bfd * |
7872 |
|
bfd_elf_bfd_from_remote_memory |
7873 |
|
(bfd *templ, |
7874 |
|
bfd_vma ehdr_vma, |
7875 |
|
bfd_vma *loadbasep, |
7876 |
|
int (*target_read_memory) (bfd_vma, bfd_byte *, int)) |
7877 |
|
{ |
7878 |
|
return (*get_elf_backend_data (templ)->elf_backend_bfd_from_remote_memory) |
7879 |
|
(templ, ehdr_vma, loadbasep, target_read_memory); |
7880 |
|
} |
7881 |
|
|
7882 |
|
long |
7883 |
|
_bfd_elf_get_synthetic_symtab (bfd *abfd, |
7884 |
|
long symcount ATTRIBUTE_UNUSED, |
7885 |
|
asymbol **syms ATTRIBUTE_UNUSED, |
7886 |
|
long dynsymcount, |
7887 |
|
asymbol **dynsyms, |
7888 |
|
asymbol **ret) |
7889 |
|
{ |
7890 |
|
const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
7891 |
|
asection *relplt; |
7892 |
|
asymbol *s; |
7893 |
|
const char *relplt_name; |
7894 |
|
bfd_boolean (*slurp_relocs) (bfd *, asection *, asymbol **, bfd_boolean); |
7895 |
|
arelent *p; |
7896 |
|
long count, i, n; |
7897 |
|
size_t size; |
7898 |
|
Elf_Internal_Shdr *hdr; |
7899 |
|
char *names; |
7900 |
|
asection *plt; |
7901 |
|
|
7902 |
|
*ret = NULL; |
7903 |
|
|
7904 |
|
if ((abfd->flags & (DYNAMIC | EXEC_P)) == 0) |
7905 |
|
return 0; |
7906 |
|
|
7907 |
|
if (dynsymcount <= 0) |
7908 |
|
return 0; |
7909 |
|
|
7910 |
|
if (!bed->plt_sym_val) |
7911 |
|
return 0; |
7912 |
|
|
7913 |
|
relplt_name = bed->relplt_name; |
7914 |
|
if (relplt_name == NULL) |
7915 |
|
relplt_name = bed->default_use_rela_p ? ".rela.plt" : ".rel.plt"; |
7916 |
|
relplt = bfd_get_section_by_name (abfd, relplt_name); |
7917 |
|
if (relplt == NULL) |
7918 |
|
return 0; |
7919 |
|
|
7920 |
|
hdr = &elf_section_data (relplt)->this_hdr; |
7921 |
|
if (hdr->sh_link != elf_dynsymtab (abfd) |
7922 |
|
|| (hdr->sh_type != SHT_REL && hdr->sh_type != SHT_RELA)) |
7923 |
|
return 0; |
7924 |
|
|
7925 |
|
plt = bfd_get_section_by_name (abfd, ".plt"); |
7926 |
|
if (plt == NULL) |
7927 |
|
return 0; |
7928 |
|
|
7929 |
|
slurp_relocs = get_elf_backend_data (abfd)->s->slurp_reloc_table; |
7930 |
|
if (! (*slurp_relocs) (abfd, relplt, dynsyms, TRUE)) |
7931 |
|
return -1; |
7932 |
|
|
7933 |
|
count = relplt->size / hdr->sh_entsize; |
7934 |
|
size = count * sizeof (asymbol); |
7935 |
|
p = relplt->relocation; |
7936 |
|
for (i = 0; i < count; i++, s++, p++) |
7937 |
|
size += strlen ((*p->sym_ptr_ptr)->name) + sizeof ("@plt"); |
7938 |
|
|
7939 |
|
s = *ret = bfd_malloc (size); |
7940 |
|
if (s == NULL) |
7941 |
|
return -1; |
7942 |
|
|
7943 |
|
names = (char *) (s + count); |
7944 |
|
p = relplt->relocation; |
7945 |
|
n = 0; |
7946 |
|
for (i = 0; i < count; i++, s++, p++) |
7947 |
|
{ |
7948 |
|
size_t len; |
7949 |
|
bfd_vma addr; |
7950 |
|
|
7951 |
|
addr = bed->plt_sym_val (i, plt, p); |
7952 |
|
if (addr == (bfd_vma) -1) |
7953 |
|
continue; |
7954 |
|
|
7955 |
|
*s = **p->sym_ptr_ptr; |
7956 |
|
s->section = plt; |
7957 |
|
s->value = addr - plt->vma; |
7958 |
|
s->name = names; |
7959 |
|
len = strlen ((*p->sym_ptr_ptr)->name); |
7960 |
|
memcpy (names, (*p->sym_ptr_ptr)->name, len); |
7961 |
|
names += len; |
7962 |
|
memcpy (names, "@plt", sizeof ("@plt")); |
7963 |
|
names += sizeof ("@plt"); |
7964 |
|
++n; |
7965 |
|
} |
7966 |
|
|
7967 |
|
return n; |
7968 |
|
} |
7969 |
|
|
7970 |
|
/* Sort symbol by binding and section. We want to put definitions |
7971 |
|
sorted by section at the beginning. */ |
7972 |
|
|
7973 |
|
static int |
7974 |
|
elf_sort_elf_symbol (const void *arg1, const void *arg2) |
7975 |
|
{ |
7976 |
|
const Elf_Internal_Sym *s1; |
7977 |
|
const Elf_Internal_Sym *s2; |
7978 |
|
int shndx; |
7979 |
|
|
7980 |
|
/* Make sure that undefined symbols are at the end. */ |
7981 |
|
s1 = (const Elf_Internal_Sym *) arg1; |
7982 |
|
if (s1->st_shndx == SHN_UNDEF) |
7983 |
|
return 1; |
7984 |
|
s2 = (const Elf_Internal_Sym *) arg2; |
7985 |
|
if (s2->st_shndx == SHN_UNDEF) |
7986 |
|
return -1; |
7987 |
|
|
7988 |
|
/* Sorted by section index. */ |
7989 |
|
shndx = s1->st_shndx - s2->st_shndx; |
7990 |
|
if (shndx != 0) |
7991 |
|
return shndx; |
7992 |
|
|
7993 |
|
/* Sorted by binding. */ |
7994 |
|
return ELF_ST_BIND (s1->st_info) - ELF_ST_BIND (s2->st_info); |
7995 |
|
} |
7996 |
|
|
7997 |
|
struct elf_symbol |
7998 |
|
{ |
7999 |
|
Elf_Internal_Sym *sym; |
8000 |
|
const char *name; |
8001 |
|
}; |
8002 |
|
|
8003 |
|
static int |
8004 |
|
elf_sym_name_compare (const void *arg1, const void *arg2) |
8005 |
|
{ |
8006 |
|
const struct elf_symbol *s1 = (const struct elf_symbol *) arg1; |
8007 |
|
const struct elf_symbol *s2 = (const struct elf_symbol *) arg2; |
8008 |
|
return strcmp (s1->name, s2->name); |
8009 |
|
} |
8010 |
|
|
8011 |
|
/* Check if 2 sections define the same set of local and global |
8012 |
|
symbols. */ |
8013 |
|
|
8014 |
|
bfd_boolean |
8015 |
|
bfd_elf_match_symbols_in_sections (asection *sec1, asection *sec2) |
8016 |
|
{ |
8017 |
|
bfd *bfd1, *bfd2; |
8018 |
|
const struct elf_backend_data *bed1, *bed2; |
8019 |
|
Elf_Internal_Shdr *hdr1, *hdr2; |
8020 |
|
bfd_size_type symcount1, symcount2; |
8021 |
|
Elf_Internal_Sym *isymbuf1, *isymbuf2; |
8022 |
|
Elf_Internal_Sym *isymstart1 = NULL, *isymstart2 = NULL, *isym; |
8023 |
|
Elf_Internal_Sym *isymend; |
8024 |
|
struct elf_symbol *symp, *symtable1 = NULL, *symtable2 = NULL; |
8025 |
|
bfd_size_type count1, count2, i; |
8026 |
|
int shndx1, shndx2; |
8027 |
|
bfd_boolean result; |
8028 |
|
|
8029 |
|
bfd1 = sec1->owner; |
8030 |
|
bfd2 = sec2->owner; |
8031 |
|
|
8032 |
|
/* If both are .gnu.linkonce sections, they have to have the same |
8033 |
|
section name. */ |
8034 |
|
if (strncmp (sec1->name, ".gnu.linkonce", |
8035 |
|
sizeof ".gnu.linkonce" - 1) == 0 |
8036 |
|
&& strncmp (sec2->name, ".gnu.linkonce", |
8037 |
|
sizeof ".gnu.linkonce" - 1) == 0) |
8038 |
|
return strcmp (sec1->name + sizeof ".gnu.linkonce", |
8039 |
|
sec2->name + sizeof ".gnu.linkonce") == 0; |
8040 |
|
|
8041 |
|
/* Both sections have to be in ELF. */ |
8042 |
|
if (bfd_get_flavour (bfd1) != bfd_target_elf_flavour |
8043 |
|
|| bfd_get_flavour (bfd2) != bfd_target_elf_flavour) |
8044 |
|
return FALSE; |
8045 |
|
|
8046 |
|
if (elf_section_type (sec1) != elf_section_type (sec2)) |
8047 |
|
return FALSE; |
8048 |
|
|
8049 |
|
if ((elf_section_flags (sec1) & SHF_GROUP) != 0 |
8050 |
|
&& (elf_section_flags (sec2) & SHF_GROUP) != 0) |
8051 |
|
{ |
8052 |
|
/* If both are members of section groups, they have to have the |
8053 |
|
same group name. */ |
8054 |
|
if (strcmp (elf_group_name (sec1), elf_group_name (sec2)) != 0) |
8055 |
|
return FALSE; |
8056 |
|
} |
8057 |
|
|
8058 |
|
shndx1 = _bfd_elf_section_from_bfd_section (bfd1, sec1); |
8059 |
|
shndx2 = _bfd_elf_section_from_bfd_section (bfd2, sec2); |
8060 |
|
if (shndx1 == -1 || shndx2 == -1) |
8061 |
|
return FALSE; |
8062 |
|
|
8063 |
|
bed1 = get_elf_backend_data (bfd1); |
8064 |
|
bed2 = get_elf_backend_data (bfd2); |
8065 |
|
hdr1 = &elf_tdata (bfd1)->symtab_hdr; |
8066 |
|
symcount1 = hdr1->sh_size / bed1->s->sizeof_sym; |
8067 |
|
hdr2 = &elf_tdata (bfd2)->symtab_hdr; |
8068 |
|
symcount2 = hdr2->sh_size / bed2->s->sizeof_sym; |
8069 |
|
|
8070 |
|
if (symcount1 == 0 || symcount2 == 0) |
8071 |
|
return FALSE; |
8072 |
|
|
8073 |
|
isymbuf1 = bfd_elf_get_elf_syms (bfd1, hdr1, symcount1, 0, |
8074 |
|
NULL, NULL, NULL); |
8075 |
|
isymbuf2 = bfd_elf_get_elf_syms (bfd2, hdr2, symcount2, 0, |
8076 |
|
NULL, NULL, NULL); |
8077 |
|
|
8078 |
|
result = FALSE; |
8079 |
|
if (isymbuf1 == NULL || isymbuf2 == NULL) |
8080 |
|
goto done; |
8081 |
|
|
8082 |
|
/* Sort symbols by binding and section. Global definitions are at |
8083 |
|
the beginning. */ |
8084 |
|
qsort (isymbuf1, symcount1, sizeof (Elf_Internal_Sym), |
8085 |
|
elf_sort_elf_symbol); |
8086 |
|
qsort (isymbuf2, symcount2, sizeof (Elf_Internal_Sym), |
8087 |
|
elf_sort_elf_symbol); |
8088 |
|
|
8089 |
|
/* Count definitions in the section. */ |
8090 |
|
count1 = 0; |
8091 |
|
for (isym = isymbuf1, isymend = isym + symcount1; |
8092 |
|
isym < isymend; isym++) |
8093 |
|
{ |
8094 |
|
if (isym->st_shndx == (unsigned int) shndx1) |
8095 |
|
{ |
8096 |
|
if (count1 == 0) |
8097 |
|
isymstart1 = isym; |
8098 |
|
count1++; |
8099 |
|
} |
8100 |
|
|
8101 |
|
if (count1 && isym->st_shndx != (unsigned int) shndx1) |
8102 |
|
break; |
8103 |
|
} |
8104 |
|
|
8105 |
|
count2 = 0; |
8106 |
|
for (isym = isymbuf2, isymend = isym + symcount2; |
8107 |
|
isym < isymend; isym++) |
8108 |
|
{ |
8109 |
|
if (isym->st_shndx == (unsigned int) shndx2) |
8110 |
|
{ |
8111 |
|
if (count2 == 0) |
8112 |
|
isymstart2 = isym; |
8113 |
|
count2++; |
8114 |
|
} |
8115 |
|
|
8116 |
|
if (count2 && isym->st_shndx != (unsigned int) shndx2) |
8117 |
|
break; |
8118 |
|
} |
8119 |
|
|
8120 |
|
if (count1 == 0 || count2 == 0 || count1 != count2) |
8121 |
|
goto done; |
8122 |
|
|
8123 |
|
symtable1 = bfd_malloc (count1 * sizeof (struct elf_symbol)); |
8124 |
|
symtable2 = bfd_malloc (count1 * sizeof (struct elf_symbol)); |
8125 |
|
|
8126 |
|
if (symtable1 == NULL || symtable2 == NULL) |
8127 |
|
goto done; |
8128 |
|
|
8129 |
|
symp = symtable1; |
8130 |
|
for (isym = isymstart1, isymend = isym + count1; |
8131 |
|
isym < isymend; isym++) |
8132 |
|
{ |
8133 |
|
symp->sym = isym; |
8134 |
|
symp->name = bfd_elf_string_from_elf_section (bfd1, |
8135 |
|
hdr1->sh_link, |
8136 |
|
isym->st_name); |
8137 |
|
symp++; |
8138 |
|
} |
8139 |
|
|
8140 |
|
symp = symtable2; |
8141 |
|
for (isym = isymstart2, isymend = isym + count1; |
8142 |
|
isym < isymend; isym++) |
8143 |
|
{ |
8144 |
|
symp->sym = isym; |
8145 |
|
symp->name = bfd_elf_string_from_elf_section (bfd2, |
8146 |
|
hdr2->sh_link, |
8147 |
|
isym->st_name); |
8148 |
|
symp++; |
8149 |
|
} |
8150 |
|
|
8151 |
|
/* Sort symbol by name. */ |
8152 |
|
qsort (symtable1, count1, sizeof (struct elf_symbol), |
8153 |
|
elf_sym_name_compare); |
8154 |
|
qsort (symtable2, count1, sizeof (struct elf_symbol), |
8155 |
|
elf_sym_name_compare); |
8156 |
|
|
8157 |
|
for (i = 0; i < count1; i++) |
8158 |
|
/* Two symbols must have the same binding, type and name. */ |
8159 |
|
if (symtable1 [i].sym->st_info != symtable2 [i].sym->st_info |
8160 |
|
|| symtable1 [i].sym->st_other != symtable2 [i].sym->st_other |
8161 |
|
|| strcmp (symtable1 [i].name, symtable2 [i].name) != 0) |
8162 |
|
goto done; |
8163 |
|
|
8164 |
|
result = TRUE; |
8165 |
|
|
8166 |
|
done: |
8167 |
|
if (symtable1) |
8168 |
|
free (symtable1); |
8169 |
|
if (symtable2) |
8170 |
|
free (symtable2); |
8171 |
|
if (isymbuf1) |
8172 |
|
free (isymbuf1); |
8173 |
|
if (isymbuf2) |
8174 |
|
free (isymbuf2); |
8175 |
|
|
8176 |
|
return result; |
8177 |
|
} |