forked from KolibriOS/kolibrios
1028 lines
31 KiB
C
1028 lines
31 KiB
C
/* Target definitions for 32-bit ELF
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Copyright (C) 1993-2015 Free Software Foundation, Inc.
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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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 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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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
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GNU General Public License for more details.
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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., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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/* This structure contains everything that BFD knows about a target.
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It includes things like its byte order, name, what routines to call
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to do various operations, etc. Every BFD points to a target structure
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with its "xvec" member.
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There are two such structures here: one for big-endian machines and
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one for little-endian machines. */
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#ifndef bfd_elf32_close_and_cleanup
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#define bfd_elf32_close_and_cleanup _bfd_elf_close_and_cleanup
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#endif
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#ifndef bfd_elf32_bfd_free_cached_info
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#define bfd_elf32_bfd_free_cached_info _bfd_free_cached_info
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#endif
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#ifndef bfd_elf32_get_section_contents
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#define bfd_elf32_get_section_contents _bfd_generic_get_section_contents
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#endif
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#define bfd_elf32_canonicalize_dynamic_symtab \
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_bfd_elf_canonicalize_dynamic_symtab
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#ifndef bfd_elf32_get_synthetic_symtab
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#define bfd_elf32_get_synthetic_symtab \
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_bfd_elf_get_synthetic_symtab
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#endif
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#ifndef bfd_elf32_canonicalize_reloc
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#define bfd_elf32_canonicalize_reloc _bfd_elf_canonicalize_reloc
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#endif
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#ifndef bfd_elf32_find_nearest_line
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#define bfd_elf32_find_nearest_line _bfd_elf_find_nearest_line
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#endif
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#ifndef bfd_elf32_find_line
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#define bfd_elf32_find_line _bfd_elf_find_line
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#endif
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#ifndef bfd_elf32_find_inliner_info
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#define bfd_elf32_find_inliner_info _bfd_elf_find_inliner_info
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#endif
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#define bfd_elf32_read_minisymbols _bfd_elf_read_minisymbols
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#define bfd_elf32_minisymbol_to_symbol _bfd_elf_minisymbol_to_symbol
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#define bfd_elf32_get_dynamic_symtab_upper_bound \
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_bfd_elf_get_dynamic_symtab_upper_bound
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#define bfd_elf32_get_lineno _bfd_elf_get_lineno
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#ifndef bfd_elf32_get_reloc_upper_bound
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#define bfd_elf32_get_reloc_upper_bound _bfd_elf_get_reloc_upper_bound
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#endif
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#ifndef bfd_elf32_get_symbol_info
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#define bfd_elf32_get_symbol_info _bfd_elf_get_symbol_info
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#endif
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#ifndef bfd_elf32_get_symbol_version_string
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#define bfd_elf32_get_symbol_version_string \
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_bfd_elf_get_symbol_version_string
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#endif
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#define bfd_elf32_canonicalize_symtab _bfd_elf_canonicalize_symtab
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#define bfd_elf32_get_symtab_upper_bound _bfd_elf_get_symtab_upper_bound
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#define bfd_elf32_make_empty_symbol _bfd_elf_make_empty_symbol
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#ifndef bfd_elf32_new_section_hook
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#define bfd_elf32_new_section_hook _bfd_elf_new_section_hook
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#endif
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#define bfd_elf32_set_arch_mach _bfd_elf_set_arch_mach
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#ifndef bfd_elf32_set_section_contents
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#define bfd_elf32_set_section_contents _bfd_elf_set_section_contents
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#endif
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#define bfd_elf32_sizeof_headers _bfd_elf_sizeof_headers
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#define bfd_elf32_write_object_contents _bfd_elf_write_object_contents
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#define bfd_elf32_write_corefile_contents _bfd_elf_write_corefile_contents
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#define bfd_elf32_get_section_contents_in_window \
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_bfd_generic_get_section_contents_in_window
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#ifndef elf_backend_can_refcount
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#define elf_backend_can_refcount 0
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#endif
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#ifndef elf_backend_want_got_plt
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#define elf_backend_want_got_plt 0
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#endif
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#ifndef elf_backend_plt_readonly
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#define elf_backend_plt_readonly 0
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#endif
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#ifndef elf_backend_want_plt_sym
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#define elf_backend_want_plt_sym 0
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#endif
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#ifndef elf_backend_plt_not_loaded
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#define elf_backend_plt_not_loaded 0
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#endif
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#ifndef elf_backend_plt_alignment
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#define elf_backend_plt_alignment 2
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#endif
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#ifndef elf_backend_want_dynbss
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#define elf_backend_want_dynbss 1
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#endif
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#ifndef elf_backend_want_p_paddr_set_to_zero
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#define elf_backend_want_p_paddr_set_to_zero 0
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#endif
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#ifndef elf_backend_default_execstack
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#define elf_backend_default_execstack 1
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#endif
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#ifndef elf_backend_caches_rawsize
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#define elf_backend_caches_rawsize 0
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#endif
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#ifndef elf_backend_extern_protected_data
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#define elf_backend_extern_protected_data 0
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#endif
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#ifndef elf_backend_stack_align
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#define elf_backend_stack_align 16
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#endif
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#define bfd_elf32_bfd_debug_info_start bfd_void
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#define bfd_elf32_bfd_debug_info_end bfd_void
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#define bfd_elf32_bfd_debug_info_accumulate \
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((void (*) (bfd*, struct bfd_section *)) bfd_void)
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#ifndef bfd_elf32_bfd_get_relocated_section_contents
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#define bfd_elf32_bfd_get_relocated_section_contents \
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bfd_generic_get_relocated_section_contents
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#endif
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#ifndef bfd_elf32_bfd_relax_section
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#define bfd_elf32_bfd_relax_section bfd_generic_relax_section
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#endif
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#ifndef elf_backend_can_gc_sections
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#define elf_backend_can_gc_sections 0
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#endif
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#ifndef elf_backend_can_refcount
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#define elf_backend_can_refcount 0
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#endif
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#ifndef elf_backend_want_got_sym
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#define elf_backend_want_got_sym 1
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#endif
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#ifndef elf_backend_gc_keep
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#define elf_backend_gc_keep _bfd_elf_gc_keep
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#endif
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#ifndef elf_backend_gc_mark_dynamic_ref
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#define elf_backend_gc_mark_dynamic_ref bfd_elf_gc_mark_dynamic_ref_symbol
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#endif
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#ifndef elf_backend_gc_mark_hook
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#define elf_backend_gc_mark_hook _bfd_elf_gc_mark_hook
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#endif
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#ifndef elf_backend_gc_mark_extra_sections
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#define elf_backend_gc_mark_extra_sections _bfd_elf_gc_mark_extra_sections
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#endif
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#ifndef elf_backend_gc_sweep_hook
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#define elf_backend_gc_sweep_hook NULL
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#endif
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#ifndef bfd_elf32_bfd_gc_sections
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#define bfd_elf32_bfd_gc_sections bfd_elf_gc_sections
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#endif
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#ifndef bfd_elf32_bfd_merge_sections
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#define bfd_elf32_bfd_merge_sections \
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_bfd_elf_merge_sections
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#endif
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#ifndef bfd_elf32_bfd_is_group_section
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#define bfd_elf32_bfd_is_group_section bfd_elf_is_group_section
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#endif
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#ifndef bfd_elf32_bfd_discard_group
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#define bfd_elf32_bfd_discard_group bfd_generic_discard_group
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#endif
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#ifndef bfd_elf32_section_already_linked
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#define bfd_elf32_section_already_linked \
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_bfd_elf_section_already_linked
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#endif
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#ifndef bfd_elf32_bfd_define_common_symbol
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#define bfd_elf32_bfd_define_common_symbol bfd_generic_define_common_symbol
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#endif
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#ifndef bfd_elf32_bfd_lookup_section_flags
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#define bfd_elf32_bfd_lookup_section_flags bfd_elf_lookup_section_flags
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#endif
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#ifndef bfd_elf32_bfd_make_debug_symbol
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#define bfd_elf32_bfd_make_debug_symbol \
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((asymbol * (*) (bfd *, void *, unsigned long)) bfd_nullvoidptr)
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#endif
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#ifndef bfd_elf32_bfd_copy_private_symbol_data
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#define bfd_elf32_bfd_copy_private_symbol_data \
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_bfd_elf_copy_private_symbol_data
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#endif
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#ifndef bfd_elf32_bfd_copy_private_section_data
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#define bfd_elf32_bfd_copy_private_section_data \
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_bfd_elf_copy_private_section_data
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#endif
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#ifndef bfd_elf32_bfd_copy_private_header_data
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#define bfd_elf32_bfd_copy_private_header_data \
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_bfd_elf_copy_private_header_data
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#endif
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#ifndef bfd_elf32_bfd_copy_private_bfd_data
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#define bfd_elf32_bfd_copy_private_bfd_data \
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_bfd_elf_copy_private_bfd_data
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#endif
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#ifndef bfd_elf32_bfd_print_private_bfd_data
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#define bfd_elf32_bfd_print_private_bfd_data \
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_bfd_elf_print_private_bfd_data
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#endif
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#ifndef bfd_elf32_bfd_merge_private_bfd_data
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#define bfd_elf32_bfd_merge_private_bfd_data \
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((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
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#endif
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#ifndef bfd_elf32_bfd_set_private_flags
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#define bfd_elf32_bfd_set_private_flags \
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((bfd_boolean (*) (bfd *, flagword)) bfd_true)
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#endif
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#ifndef bfd_elf32_bfd_is_local_label_name
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#define bfd_elf32_bfd_is_local_label_name _bfd_elf_is_local_label_name
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#endif
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#ifndef bfd_elf32_bfd_is_target_special_symbol
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#define bfd_elf32_bfd_is_target_special_symbol \
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((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
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#endif
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#ifndef bfd_elf32_get_dynamic_reloc_upper_bound
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#define bfd_elf32_get_dynamic_reloc_upper_bound \
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_bfd_elf_get_dynamic_reloc_upper_bound
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#endif
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#ifndef bfd_elf32_canonicalize_dynamic_reloc
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#define bfd_elf32_canonicalize_dynamic_reloc \
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_bfd_elf_canonicalize_dynamic_reloc
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#endif
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#ifdef elf_backend_relocate_section
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#ifndef bfd_elf32_bfd_link_hash_table_create
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#define bfd_elf32_bfd_link_hash_table_create _bfd_elf_link_hash_table_create
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#endif
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#ifndef bfd_elf32_bfd_link_add_symbols
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#define bfd_elf32_bfd_link_add_symbols bfd_elf_link_add_symbols
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#endif
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#ifndef bfd_elf32_bfd_final_link
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#define bfd_elf32_bfd_final_link bfd_elf_final_link
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#endif
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#else /* ! defined (elf_backend_relocate_section) */
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/* If no backend relocate_section routine, use the generic linker.
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Note - this will prevent the port from being able to use some of
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the other features of the ELF linker, because the generic hash structure
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does not have the fields needed by the ELF linker. In particular it
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means that linking directly to S-records will not work. */
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#ifndef bfd_elf32_bfd_link_hash_table_create
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#define bfd_elf32_bfd_link_hash_table_create \
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_bfd_generic_link_hash_table_create
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#endif
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#ifndef bfd_elf32_bfd_link_add_symbols
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#define bfd_elf32_bfd_link_add_symbols _bfd_generic_link_add_symbols
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#endif
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#ifndef bfd_elf32_bfd_final_link
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#define bfd_elf32_bfd_final_link _bfd_generic_final_link
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#endif
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#endif /* ! defined (elf_backend_relocate_section) */
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#ifndef bfd_elf32_bfd_link_just_syms
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#define bfd_elf32_bfd_link_just_syms _bfd_elf_link_just_syms
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#endif
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#ifndef bfd_elf32_bfd_copy_link_hash_symbol_type
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#define bfd_elf32_bfd_copy_link_hash_symbol_type \
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_bfd_elf_copy_link_hash_symbol_type
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#endif
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#ifndef bfd_elf32_bfd_link_split_section
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#define bfd_elf32_bfd_link_split_section _bfd_generic_link_split_section
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#endif
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#ifndef bfd_elf32_archive_p
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#define bfd_elf32_archive_p bfd_generic_archive_p
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#endif
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#ifndef bfd_elf32_write_archive_contents
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#define bfd_elf32_write_archive_contents _bfd_write_archive_contents
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#endif
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#ifndef bfd_elf32_mkobject
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#define bfd_elf32_mkobject bfd_elf_make_object
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#endif
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#ifndef bfd_elf32_mkcorefile
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#define bfd_elf32_mkcorefile bfd_elf_mkcorefile
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#endif
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#ifndef bfd_elf32_mkarchive
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#define bfd_elf32_mkarchive _bfd_generic_mkarchive
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#endif
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#ifndef bfd_elf32_print_symbol
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#define bfd_elf32_print_symbol bfd_elf_print_symbol
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#endif
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#ifndef elf_symbol_leading_char
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#define elf_symbol_leading_char 0
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#endif
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#ifndef elf_info_to_howto
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#define elf_info_to_howto 0
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#endif
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#ifndef elf_info_to_howto_rel
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#define elf_info_to_howto_rel 0
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#endif
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#ifndef elf_backend_arch_data
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#define elf_backend_arch_data NULL
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#endif
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#ifndef ELF_TARGET_ID
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#define ELF_TARGET_ID GENERIC_ELF_DATA
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#endif
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#ifndef ELF_OSABI
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#define ELF_OSABI ELFOSABI_NONE
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#endif
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#ifndef ELF_MAXPAGESIZE
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# error ELF_MAXPAGESIZE is not defined
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#define ELF_MAXPAGESIZE 1
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#endif
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#ifndef ELF_COMMONPAGESIZE
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#define ELF_COMMONPAGESIZE ELF_MAXPAGESIZE
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#endif
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#ifndef ELF_MINPAGESIZE
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#define ELF_MINPAGESIZE ELF_COMMONPAGESIZE
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#endif
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#if ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
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# error ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
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#endif
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#if ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
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# error ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
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#endif
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#ifndef ELF_DYNAMIC_SEC_FLAGS
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/* Note that we set the SEC_IN_MEMORY flag for these sections. */
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#define ELF_DYNAMIC_SEC_FLAGS \
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(SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS \
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| SEC_IN_MEMORY | SEC_LINKER_CREATED)
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#endif
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#ifndef elf_backend_collect
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#define elf_backend_collect FALSE
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#endif
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#ifndef elf_backend_type_change_ok
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#define elf_backend_type_change_ok FALSE
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#endif
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#ifndef elf_backend_sym_is_global
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#define elf_backend_sym_is_global 0
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#endif
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#ifndef elf_backend_object_p
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#define elf_backend_object_p 0
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#endif
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#ifndef elf_backend_symbol_processing
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#define elf_backend_symbol_processing 0
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#endif
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#ifndef elf_backend_symbol_table_processing
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#define elf_backend_symbol_table_processing 0
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#endif
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#ifndef elf_backend_get_symbol_type
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#define elf_backend_get_symbol_type 0
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#endif
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#ifndef elf_backend_archive_symbol_lookup
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#define elf_backend_archive_symbol_lookup _bfd_elf_archive_symbol_lookup
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#endif
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#ifndef elf_backend_name_local_section_symbols
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#define elf_backend_name_local_section_symbols 0
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#endif
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#ifndef elf_backend_section_processing
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#define elf_backend_section_processing 0
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#endif
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#ifndef elf_backend_section_from_shdr
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#define elf_backend_section_from_shdr _bfd_elf_make_section_from_shdr
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#endif
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#ifndef elf_backend_section_flags
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#define elf_backend_section_flags 0
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#endif
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#ifndef elf_backend_get_sec_type_attr
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#define elf_backend_get_sec_type_attr _bfd_elf_get_sec_type_attr
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#endif
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#ifndef elf_backend_section_from_phdr
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#define elf_backend_section_from_phdr _bfd_elf_make_section_from_phdr
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#endif
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#ifndef elf_backend_fake_sections
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#define elf_backend_fake_sections 0
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#endif
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#ifndef elf_backend_section_from_bfd_section
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#define elf_backend_section_from_bfd_section 0
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#endif
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#ifndef elf_backend_add_symbol_hook
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#define elf_backend_add_symbol_hook 0
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#endif
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#ifndef elf_backend_link_output_symbol_hook
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#define elf_backend_link_output_symbol_hook 0
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#endif
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#ifndef elf_backend_create_dynamic_sections
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#define elf_backend_create_dynamic_sections 0
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#endif
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#ifndef elf_backend_omit_section_dynsym
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#define elf_backend_omit_section_dynsym _bfd_elf_link_omit_section_dynsym
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#endif
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#ifndef elf_backend_relocs_compatible
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#define elf_backend_relocs_compatible _bfd_elf_default_relocs_compatible
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#endif
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#ifndef elf_backend_check_relocs
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#define elf_backend_check_relocs 0
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#endif
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#ifndef elf_backend_check_directives
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#define elf_backend_check_directives 0
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#endif
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#ifndef elf_backend_notice_as_needed
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#define elf_backend_notice_as_needed _bfd_elf_notice_as_needed
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#endif
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#ifndef elf_backend_adjust_dynamic_symbol
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#define elf_backend_adjust_dynamic_symbol 0
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#endif
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#ifndef elf_backend_always_size_sections
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#define elf_backend_always_size_sections 0
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#endif
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#ifndef elf_backend_size_dynamic_sections
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#define elf_backend_size_dynamic_sections 0
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#endif
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#ifndef elf_backend_init_index_section
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#define elf_backend_init_index_section \
|
|
((void (*) (bfd *, struct bfd_link_info *)) bfd_void)
|
|
#endif
|
|
#ifndef elf_backend_relocate_section
|
|
#define elf_backend_relocate_section 0
|
|
#endif
|
|
#ifndef elf_backend_finish_dynamic_symbol
|
|
#define elf_backend_finish_dynamic_symbol 0
|
|
#endif
|
|
#ifndef elf_backend_finish_dynamic_sections
|
|
#define elf_backend_finish_dynamic_sections 0
|
|
#endif
|
|
#ifndef elf_backend_begin_write_processing
|
|
#define elf_backend_begin_write_processing 0
|
|
#endif
|
|
#ifndef elf_backend_final_write_processing
|
|
#define elf_backend_final_write_processing 0
|
|
#endif
|
|
#ifndef elf_backend_additional_program_headers
|
|
#define elf_backend_additional_program_headers 0
|
|
#endif
|
|
#ifndef elf_backend_modify_segment_map
|
|
#define elf_backend_modify_segment_map 0
|
|
#endif
|
|
#ifndef elf_backend_modify_program_headers
|
|
#define elf_backend_modify_program_headers 0
|
|
#endif
|
|
#ifndef elf_backend_ecoff_debug_swap
|
|
#define elf_backend_ecoff_debug_swap 0
|
|
#endif
|
|
#ifndef elf_backend_bfd_from_remote_memory
|
|
#define elf_backend_bfd_from_remote_memory _bfd_elf32_bfd_from_remote_memory
|
|
#endif
|
|
#ifndef elf_backend_got_header_size
|
|
#define elf_backend_got_header_size 0
|
|
#endif
|
|
#ifndef elf_backend_got_elt_size
|
|
#define elf_backend_got_elt_size _bfd_elf_default_got_elt_size
|
|
#endif
|
|
#ifndef elf_backend_obj_attrs_vendor
|
|
#define elf_backend_obj_attrs_vendor NULL
|
|
#endif
|
|
#ifndef elf_backend_obj_attrs_section
|
|
#define elf_backend_obj_attrs_section NULL
|
|
#endif
|
|
#ifndef elf_backend_obj_attrs_arg_type
|
|
#define elf_backend_obj_attrs_arg_type NULL
|
|
#endif
|
|
#ifndef elf_backend_obj_attrs_section_type
|
|
#define elf_backend_obj_attrs_section_type SHT_GNU_ATTRIBUTES
|
|
#endif
|
|
#ifndef elf_backend_obj_attrs_order
|
|
#define elf_backend_obj_attrs_order NULL
|
|
#endif
|
|
#ifndef elf_backend_obj_attrs_handle_unknown
|
|
#define elf_backend_obj_attrs_handle_unknown NULL
|
|
#endif
|
|
#ifndef elf_backend_static_tls_alignment
|
|
#define elf_backend_static_tls_alignment 1
|
|
#endif
|
|
#ifndef elf_backend_post_process_headers
|
|
#define elf_backend_post_process_headers _bfd_elf_post_process_headers
|
|
#endif
|
|
#ifndef elf_backend_print_symbol_all
|
|
#define elf_backend_print_symbol_all NULL
|
|
#endif
|
|
#ifndef elf_backend_output_arch_local_syms
|
|
#define elf_backend_output_arch_local_syms NULL
|
|
#endif
|
|
#ifndef elf_backend_output_arch_syms
|
|
#define elf_backend_output_arch_syms NULL
|
|
#endif
|
|
#ifndef elf_backend_copy_indirect_symbol
|
|
#define elf_backend_copy_indirect_symbol _bfd_elf_link_hash_copy_indirect
|
|
#endif
|
|
#ifndef elf_backend_hide_symbol
|
|
#define elf_backend_hide_symbol _bfd_elf_link_hash_hide_symbol
|
|
#endif
|
|
#ifndef elf_backend_fixup_symbol
|
|
#define elf_backend_fixup_symbol NULL
|
|
#endif
|
|
#ifndef elf_backend_merge_symbol_attribute
|
|
#define elf_backend_merge_symbol_attribute NULL
|
|
#endif
|
|
#ifndef elf_backend_get_target_dtag
|
|
#define elf_backend_get_target_dtag NULL
|
|
#endif
|
|
#ifndef elf_backend_ignore_undef_symbol
|
|
#define elf_backend_ignore_undef_symbol NULL
|
|
#endif
|
|
#ifndef elf_backend_emit_relocs
|
|
#define elf_backend_emit_relocs _bfd_elf_link_output_relocs
|
|
#endif
|
|
#ifndef elf_backend_count_relocs
|
|
#define elf_backend_count_relocs NULL
|
|
#endif
|
|
#ifndef elf_backend_sort_relocs_p
|
|
#define elf_backend_sort_relocs_p NULL
|
|
#endif
|
|
#ifndef elf_backend_grok_prstatus
|
|
#define elf_backend_grok_prstatus NULL
|
|
#endif
|
|
#ifndef elf_backend_grok_psinfo
|
|
#define elf_backend_grok_psinfo NULL
|
|
#endif
|
|
#ifndef elf_backend_write_core_note
|
|
#define elf_backend_write_core_note NULL
|
|
#endif
|
|
#ifndef elf_backend_lookup_section_flags_hook
|
|
#define elf_backend_lookup_section_flags_hook NULL
|
|
#endif
|
|
#ifndef elf_backend_reloc_type_class
|
|
#define elf_backend_reloc_type_class _bfd_elf_reloc_type_class
|
|
#endif
|
|
#ifndef elf_backend_discard_info
|
|
#define elf_backend_discard_info NULL
|
|
#endif
|
|
#ifndef elf_backend_ignore_discarded_relocs
|
|
#define elf_backend_ignore_discarded_relocs NULL
|
|
#endif
|
|
#ifndef elf_backend_action_discarded
|
|
#define elf_backend_action_discarded _bfd_elf_default_action_discarded
|
|
#endif
|
|
#ifndef elf_backend_eh_frame_address_size
|
|
#define elf_backend_eh_frame_address_size _bfd_elf_eh_frame_address_size
|
|
#endif
|
|
#ifndef elf_backend_can_make_relative_eh_frame
|
|
#define elf_backend_can_make_relative_eh_frame _bfd_elf_can_make_relative
|
|
#endif
|
|
#ifndef elf_backend_can_make_lsda_relative_eh_frame
|
|
#define elf_backend_can_make_lsda_relative_eh_frame _bfd_elf_can_make_relative
|
|
#endif
|
|
#ifndef elf_backend_encode_eh_address
|
|
#define elf_backend_encode_eh_address _bfd_elf_encode_eh_address
|
|
#endif
|
|
#ifndef elf_backend_write_section
|
|
#define elf_backend_write_section NULL
|
|
#endif
|
|
#ifndef elf_backend_mips_irix_compat
|
|
#define elf_backend_mips_irix_compat NULL
|
|
#endif
|
|
#ifndef elf_backend_mips_rtype_to_howto
|
|
#define elf_backend_mips_rtype_to_howto NULL
|
|
#endif
|
|
|
|
/* Previously, backends could only use SHT_REL or SHT_RELA relocation
|
|
sections, but not both. They defined USE_REL to indicate SHT_REL
|
|
sections, and left it undefined to indicated SHT_RELA sections.
|
|
For backwards compatibility, we still support this usage. */
|
|
#ifndef USE_REL
|
|
#define USE_REL 0
|
|
#endif
|
|
|
|
/* Use these in new code. */
|
|
#ifndef elf_backend_may_use_rel_p
|
|
#define elf_backend_may_use_rel_p USE_REL
|
|
#endif
|
|
#ifndef elf_backend_may_use_rela_p
|
|
#define elf_backend_may_use_rela_p !USE_REL
|
|
#endif
|
|
#ifndef elf_backend_default_use_rela_p
|
|
#define elf_backend_default_use_rela_p !USE_REL
|
|
#endif
|
|
#ifndef elf_backend_rela_plts_and_copies_p
|
|
#define elf_backend_rela_plts_and_copies_p elf_backend_default_use_rela_p
|
|
#endif
|
|
|
|
#ifndef elf_backend_rela_normal
|
|
#define elf_backend_rela_normal 0
|
|
#endif
|
|
|
|
#ifndef elf_backend_plt_sym_val
|
|
#define elf_backend_plt_sym_val NULL
|
|
#endif
|
|
#ifndef elf_backend_relplt_name
|
|
#define elf_backend_relplt_name NULL
|
|
#endif
|
|
|
|
#ifndef ELF_MACHINE_ALT1
|
|
#define ELF_MACHINE_ALT1 0
|
|
#endif
|
|
|
|
#ifndef ELF_MACHINE_ALT2
|
|
#define ELF_MACHINE_ALT2 0
|
|
#endif
|
|
|
|
#ifndef elf_backend_size_info
|
|
#define elf_backend_size_info _bfd_elf32_size_info
|
|
#endif
|
|
|
|
#ifndef elf_backend_special_sections
|
|
#define elf_backend_special_sections NULL
|
|
#endif
|
|
|
|
#ifndef elf_backend_sign_extend_vma
|
|
#define elf_backend_sign_extend_vma 0
|
|
#endif
|
|
|
|
#ifndef elf_backend_link_order_error_handler
|
|
#define elf_backend_link_order_error_handler _bfd_default_error_handler
|
|
#endif
|
|
|
|
#ifndef elf_backend_common_definition
|
|
#define elf_backend_common_definition _bfd_elf_common_definition
|
|
#endif
|
|
|
|
#ifndef elf_backend_common_section_index
|
|
#define elf_backend_common_section_index _bfd_elf_common_section_index
|
|
#endif
|
|
|
|
#ifndef elf_backend_common_section
|
|
#define elf_backend_common_section _bfd_elf_common_section
|
|
#endif
|
|
|
|
#ifndef elf_backend_merge_symbol
|
|
#define elf_backend_merge_symbol NULL
|
|
#endif
|
|
|
|
#ifndef elf_backend_hash_symbol
|
|
#define elf_backend_hash_symbol _bfd_elf_hash_symbol
|
|
#endif
|
|
|
|
#ifndef elf_backend_is_function_type
|
|
#define elf_backend_is_function_type _bfd_elf_is_function_type
|
|
#endif
|
|
|
|
#ifndef elf_backend_maybe_function_sym
|
|
#define elf_backend_maybe_function_sym _bfd_elf_maybe_function_sym
|
|
#endif
|
|
|
|
#ifndef elf_backend_get_reloc_section
|
|
#define elf_backend_get_reloc_section _bfd_elf_get_reloc_section
|
|
#endif
|
|
|
|
#ifndef elf_backend_compact_eh_encoding
|
|
#define elf_backend_compact_eh_encoding NULL
|
|
#endif
|
|
|
|
#ifndef elf_backend_cant_unwind_opcode
|
|
#define elf_backend_cant_unwind_opcode 0
|
|
#endif
|
|
|
|
#ifndef elf_match_priority
|
|
#define elf_match_priority \
|
|
(ELF_ARCH == bfd_arch_unknown ? 2 : ELF_OSABI == ELFOSABI_NONE ? 1 : 0)
|
|
#endif
|
|
|
|
extern const struct elf_size_info _bfd_elf32_size_info;
|
|
|
|
static struct elf_backend_data elf32_bed =
|
|
{
|
|
ELF_ARCH, /* arch */
|
|
ELF_TARGET_ID, /* target_id */
|
|
ELF_MACHINE_CODE, /* elf_machine_code */
|
|
ELF_OSABI, /* elf_osabi */
|
|
ELF_MAXPAGESIZE, /* maxpagesize */
|
|
ELF_MINPAGESIZE, /* minpagesize */
|
|
ELF_COMMONPAGESIZE, /* commonpagesize */
|
|
ELF_DYNAMIC_SEC_FLAGS, /* dynamic_sec_flags */
|
|
elf_backend_arch_data,
|
|
elf_info_to_howto,
|
|
elf_info_to_howto_rel,
|
|
elf_backend_sym_is_global,
|
|
elf_backend_object_p,
|
|
elf_backend_symbol_processing,
|
|
elf_backend_symbol_table_processing,
|
|
elf_backend_get_symbol_type,
|
|
elf_backend_archive_symbol_lookup,
|
|
elf_backend_name_local_section_symbols,
|
|
elf_backend_section_processing,
|
|
elf_backend_section_from_shdr,
|
|
elf_backend_section_flags,
|
|
elf_backend_get_sec_type_attr,
|
|
elf_backend_section_from_phdr,
|
|
elf_backend_fake_sections,
|
|
elf_backend_section_from_bfd_section,
|
|
elf_backend_add_symbol_hook,
|
|
elf_backend_link_output_symbol_hook,
|
|
elf_backend_create_dynamic_sections,
|
|
elf_backend_omit_section_dynsym,
|
|
elf_backend_relocs_compatible,
|
|
elf_backend_check_relocs,
|
|
elf_backend_check_directives,
|
|
elf_backend_notice_as_needed,
|
|
elf_backend_adjust_dynamic_symbol,
|
|
elf_backend_always_size_sections,
|
|
elf_backend_size_dynamic_sections,
|
|
elf_backend_init_index_section,
|
|
elf_backend_relocate_section,
|
|
elf_backend_finish_dynamic_symbol,
|
|
elf_backend_finish_dynamic_sections,
|
|
elf_backend_begin_write_processing,
|
|
elf_backend_final_write_processing,
|
|
elf_backend_additional_program_headers,
|
|
elf_backend_modify_segment_map,
|
|
elf_backend_modify_program_headers,
|
|
elf_backend_gc_keep,
|
|
elf_backend_gc_mark_dynamic_ref,
|
|
elf_backend_gc_mark_hook,
|
|
elf_backend_gc_mark_extra_sections,
|
|
elf_backend_gc_sweep_hook,
|
|
elf_backend_post_process_headers,
|
|
elf_backend_print_symbol_all,
|
|
elf_backend_output_arch_local_syms,
|
|
elf_backend_output_arch_syms,
|
|
elf_backend_copy_indirect_symbol,
|
|
elf_backend_hide_symbol,
|
|
elf_backend_fixup_symbol,
|
|
elf_backend_merge_symbol_attribute,
|
|
elf_backend_get_target_dtag,
|
|
elf_backend_ignore_undef_symbol,
|
|
elf_backend_emit_relocs,
|
|
elf_backend_count_relocs,
|
|
elf_backend_sort_relocs_p,
|
|
elf_backend_grok_prstatus,
|
|
elf_backend_grok_psinfo,
|
|
elf_backend_write_core_note,
|
|
elf_backend_lookup_section_flags_hook,
|
|
elf_backend_reloc_type_class,
|
|
elf_backend_discard_info,
|
|
elf_backend_ignore_discarded_relocs,
|
|
elf_backend_action_discarded,
|
|
elf_backend_eh_frame_address_size,
|
|
elf_backend_can_make_relative_eh_frame,
|
|
elf_backend_can_make_lsda_relative_eh_frame,
|
|
elf_backend_encode_eh_address,
|
|
elf_backend_write_section,
|
|
elf_backend_mips_irix_compat,
|
|
elf_backend_mips_rtype_to_howto,
|
|
elf_backend_ecoff_debug_swap,
|
|
elf_backend_bfd_from_remote_memory,
|
|
elf_backend_plt_sym_val,
|
|
elf_backend_common_definition,
|
|
elf_backend_common_section_index,
|
|
elf_backend_common_section,
|
|
elf_backend_merge_symbol,
|
|
elf_backend_hash_symbol,
|
|
elf_backend_is_function_type,
|
|
elf_backend_maybe_function_sym,
|
|
elf_backend_get_reloc_section,
|
|
elf_backend_link_order_error_handler,
|
|
elf_backend_relplt_name,
|
|
ELF_MACHINE_ALT1,
|
|
ELF_MACHINE_ALT2,
|
|
&elf_backend_size_info,
|
|
elf_backend_special_sections,
|
|
elf_backend_got_header_size,
|
|
elf_backend_got_elt_size,
|
|
elf_backend_obj_attrs_vendor,
|
|
elf_backend_obj_attrs_section,
|
|
elf_backend_obj_attrs_arg_type,
|
|
elf_backend_obj_attrs_section_type,
|
|
elf_backend_obj_attrs_order,
|
|
elf_backend_obj_attrs_handle_unknown,
|
|
elf_backend_compact_eh_encoding,
|
|
elf_backend_cant_unwind_opcode,
|
|
elf_backend_static_tls_alignment,
|
|
elf_backend_stack_align,
|
|
elf_backend_collect,
|
|
elf_backend_type_change_ok,
|
|
elf_backend_may_use_rel_p,
|
|
elf_backend_may_use_rela_p,
|
|
elf_backend_default_use_rela_p,
|
|
elf_backend_rela_plts_and_copies_p,
|
|
elf_backend_rela_normal,
|
|
elf_backend_sign_extend_vma,
|
|
elf_backend_want_got_plt,
|
|
elf_backend_plt_readonly,
|
|
elf_backend_want_plt_sym,
|
|
elf_backend_plt_not_loaded,
|
|
elf_backend_plt_alignment,
|
|
elf_backend_can_gc_sections,
|
|
elf_backend_can_refcount,
|
|
elf_backend_want_got_sym,
|
|
elf_backend_want_dynbss,
|
|
elf_backend_want_p_paddr_set_to_zero,
|
|
elf_backend_default_execstack,
|
|
elf_backend_caches_rawsize,
|
|
elf_backend_extern_protected_data
|
|
};
|
|
|
|
/* Forward declaration for use when initialising alternative_target field. */
|
|
#ifdef TARGET_LITTLE_SYM
|
|
extern const bfd_target TARGET_LITTLE_SYM;
|
|
#endif
|
|
|
|
#ifdef TARGET_BIG_SYM
|
|
const bfd_target TARGET_BIG_SYM =
|
|
{
|
|
/* name: identify kind of target */
|
|
TARGET_BIG_NAME,
|
|
|
|
/* flavour: general indication about file */
|
|
bfd_target_elf_flavour,
|
|
|
|
/* byteorder: data is big endian */
|
|
BFD_ENDIAN_BIG,
|
|
|
|
/* header_byteorder: header is also big endian */
|
|
BFD_ENDIAN_BIG,
|
|
|
|
/* object_flags: mask of all file flags */
|
|
(HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
|
|
| DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS
|
|
| BFD_COMPRESS_GABI),
|
|
|
|
/* section_flags: mask of all section flags */
|
|
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
|
|
| SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
|
|
| SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
|
|
|
|
/* leading_symbol_char: is the first char of a user symbol
|
|
predictable, and if so what is it */
|
|
elf_symbol_leading_char,
|
|
|
|
/* ar_pad_char: pad character for filenames within an archive header
|
|
FIXME: this really has nothing to do with ELF, this is a characteristic
|
|
of the archiver and/or os and should be independently tunable */
|
|
'/',
|
|
|
|
/* ar_max_namelen: maximum number of characters in an archive header
|
|
FIXME: this really has nothing to do with ELF, this is a characteristic
|
|
of the archiver and should be independently tunable. The System V ABI,
|
|
Chapter 7 (Formats & Protocols), Archive section sets this as 15. */
|
|
15,
|
|
|
|
elf_match_priority,
|
|
|
|
/* Routines to byte-swap various sized integers from the data sections */
|
|
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
|
|
bfd_getb32, bfd_getb_signed_32, bfd_putb32,
|
|
bfd_getb16, bfd_getb_signed_16, bfd_putb16,
|
|
|
|
/* Routines to byte-swap various sized integers from the file headers */
|
|
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
|
|
bfd_getb32, bfd_getb_signed_32, bfd_putb32,
|
|
bfd_getb16, bfd_getb_signed_16, bfd_putb16,
|
|
|
|
/* bfd_check_format: check the format of a file being read */
|
|
{ _bfd_dummy_target, /* unknown format */
|
|
bfd_elf32_object_p, /* assembler/linker output (object file) */
|
|
bfd_elf32_archive_p, /* an archive */
|
|
bfd_elf32_core_file_p /* a core file */
|
|
},
|
|
|
|
/* bfd_set_format: set the format of a file being written */
|
|
{ bfd_false,
|
|
bfd_elf32_mkobject,
|
|
bfd_elf32_mkarchive,
|
|
bfd_elf32_mkcorefile
|
|
},
|
|
|
|
/* bfd_write_contents: write cached information into a file being written */
|
|
{ bfd_false,
|
|
bfd_elf32_write_object_contents,
|
|
bfd_elf32_write_archive_contents,
|
|
bfd_elf32_write_corefile_contents,
|
|
},
|
|
|
|
BFD_JUMP_TABLE_GENERIC (bfd_elf32),
|
|
BFD_JUMP_TABLE_COPY (bfd_elf32),
|
|
BFD_JUMP_TABLE_CORE (bfd_elf32),
|
|
#ifdef bfd_elf32_archive_functions
|
|
BFD_JUMP_TABLE_ARCHIVE (bfd_elf32_archive),
|
|
#else
|
|
BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
|
|
#endif
|
|
BFD_JUMP_TABLE_SYMBOLS (bfd_elf32),
|
|
BFD_JUMP_TABLE_RELOCS (bfd_elf32),
|
|
BFD_JUMP_TABLE_WRITE (bfd_elf32),
|
|
BFD_JUMP_TABLE_LINK (bfd_elf32),
|
|
BFD_JUMP_TABLE_DYNAMIC (bfd_elf32),
|
|
|
|
/* Alternative endian target. */
|
|
#ifdef TARGET_LITTLE_SYM
|
|
& TARGET_LITTLE_SYM,
|
|
#else
|
|
NULL,
|
|
#endif
|
|
|
|
/* backend_data: */
|
|
&elf32_bed
|
|
};
|
|
#endif
|
|
|
|
#ifdef TARGET_LITTLE_SYM
|
|
const bfd_target TARGET_LITTLE_SYM =
|
|
{
|
|
/* name: identify kind of target */
|
|
TARGET_LITTLE_NAME,
|
|
|
|
/* flavour: general indication about file */
|
|
bfd_target_elf_flavour,
|
|
|
|
/* byteorder: data is little endian */
|
|
BFD_ENDIAN_LITTLE,
|
|
|
|
/* header_byteorder: header is also little endian */
|
|
BFD_ENDIAN_LITTLE,
|
|
|
|
/* object_flags: mask of all file flags */
|
|
(HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
|
|
| DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS
|
|
| BFD_COMPRESS_GABI),
|
|
|
|
/* section_flags: mask of all section flags */
|
|
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
|
|
| SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
|
|
| SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
|
|
|
|
/* leading_symbol_char: is the first char of a user symbol
|
|
predictable, and if so what is it */
|
|
elf_symbol_leading_char,
|
|
|
|
/* ar_pad_char: pad character for filenames within an archive header
|
|
FIXME: this really has nothing to do with ELF, this is a characteristic
|
|
of the archiver and/or os and should be independently tunable */
|
|
'/',
|
|
|
|
/* ar_max_namelen: maximum number of characters in an archive header
|
|
FIXME: this really has nothing to do with ELF, this is a characteristic
|
|
of the archiver and should be independently tunable. The System V ABI,
|
|
Chapter 7 (Formats & Protocols), Archive section sets this as 15. */
|
|
15,
|
|
|
|
elf_match_priority,
|
|
|
|
/* Routines to byte-swap various sized integers from the data sections */
|
|
bfd_getl64, bfd_getl_signed_64, bfd_putl64,
|
|
bfd_getl32, bfd_getl_signed_32, bfd_putl32,
|
|
bfd_getl16, bfd_getl_signed_16, bfd_putl16,
|
|
|
|
/* Routines to byte-swap various sized integers from the file headers */
|
|
bfd_getl64, bfd_getl_signed_64, bfd_putl64,
|
|
bfd_getl32, bfd_getl_signed_32, bfd_putl32,
|
|
bfd_getl16, bfd_getl_signed_16, bfd_putl16,
|
|
|
|
/* bfd_check_format: check the format of a file being read */
|
|
{ _bfd_dummy_target, /* unknown format */
|
|
bfd_elf32_object_p, /* assembler/linker output (object file) */
|
|
bfd_elf32_archive_p, /* an archive */
|
|
bfd_elf32_core_file_p /* a core file */
|
|
},
|
|
|
|
/* bfd_set_format: set the format of a file being written */
|
|
{ bfd_false,
|
|
bfd_elf32_mkobject,
|
|
bfd_elf32_mkarchive,
|
|
bfd_elf32_mkcorefile
|
|
},
|
|
|
|
/* bfd_write_contents: write cached information into a file being written */
|
|
{ bfd_false,
|
|
bfd_elf32_write_object_contents,
|
|
bfd_elf32_write_archive_contents,
|
|
bfd_elf32_write_corefile_contents,
|
|
},
|
|
|
|
BFD_JUMP_TABLE_GENERIC (bfd_elf32),
|
|
BFD_JUMP_TABLE_COPY (bfd_elf32),
|
|
BFD_JUMP_TABLE_CORE (bfd_elf32),
|
|
#ifdef bfd_elf32_archive_functions
|
|
BFD_JUMP_TABLE_ARCHIVE (bfd_elf32_archive),
|
|
#else
|
|
BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
|
|
#endif
|
|
BFD_JUMP_TABLE_SYMBOLS (bfd_elf32),
|
|
BFD_JUMP_TABLE_RELOCS (bfd_elf32),
|
|
BFD_JUMP_TABLE_WRITE (bfd_elf32),
|
|
BFD_JUMP_TABLE_LINK (bfd_elf32),
|
|
BFD_JUMP_TABLE_DYNAMIC (bfd_elf32),
|
|
|
|
/* Alternative endian target. */
|
|
#ifdef TARGET_BIG_SYM
|
|
& TARGET_BIG_SYM,
|
|
#else
|
|
NULL,
|
|
#endif
|
|
|
|
/* backend_data: */
|
|
&elf32_bed
|
|
};
|
|
#endif
|