7929041ebe
fully registered. (This is the second try, the first import ignored .info files but not .info-* files, for some reason. I'm going to make this consistent.) Reviewed by: core Approved for: 2.2
859 lines
35 KiB
C
859 lines
35 KiB
C
/* BFD back-end data structures for ELF files.
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Copyright (C) 1992, 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
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Written by Cygnus Support.
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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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#ifndef _LIBELF_H_
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#define _LIBELF_H_ 1
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#include "elf/common.h"
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#include "elf/internal.h"
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#include "elf/external.h"
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#include "bfdlink.h"
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/* If size isn't specified as 64 or 32, NAME macro should fail. */
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#ifndef NAME
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#if ARCH_SIZE==64
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#define NAME(x,y) CAT4(x,64,_,y)
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#endif
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#if ARCH_SIZE==32
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#define NAME(x,y) CAT4(x,32,_,y)
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#endif
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#endif
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#ifndef NAME
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#define NAME(x,y) CAT4(x,NOSIZE,_,y)
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#endif
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#define ElfNAME(X) NAME(Elf,X)
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#define elfNAME(X) NAME(elf,X)
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/* Information held for an ELF symbol. The first field is the
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corresponding asymbol. Every symbol is an ELF file is actually a
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pointer to this structure, although it is often handled as a
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pointer to an asymbol. */
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typedef struct
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{
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/* The BFD symbol. */
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asymbol symbol;
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/* ELF symbol information. */
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Elf_Internal_Sym internal_elf_sym;
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/* Backend specific information. */
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union
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{
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unsigned int hppa_arg_reloc;
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PTR mips_extr;
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PTR any;
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}
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tc_data;
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} elf_symbol_type;
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/* ELF linker hash table entries. */
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struct elf_link_hash_entry
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{
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struct bfd_link_hash_entry root;
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/* Symbol index in output file. This is initialized to -1. It is
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set to -2 if the symbol is used by a reloc. */
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long indx;
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/* Symbol size. */
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bfd_size_type size;
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/* Symbol index as a dynamic symbol. Initialized to -1, and remains
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-1 if this is not a dynamic symbol. */
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long dynindx;
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/* String table index in .dynstr if this is a dynamic symbol. */
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unsigned long dynstr_index;
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/* If this is a weak defined symbol from a dynamic object, this
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field points to a defined symbol with the same value, if there is
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one. Otherwise it is NULL. */
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struct elf_link_hash_entry *weakdef;
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/* If this symbol requires an entry in the global offset table, the
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processor specific backend uses this field to hold the offset
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into the .got section. If this field is -1, then the symbol does
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not require a global offset table entry. */
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bfd_vma got_offset;
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/* If this symbol requires an entry in the procedure linkage table,
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the processor specific backend uses these two fields to hold the
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offset into the procedure linkage section and the offset into the
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.got section. If plt_offset is -1, then the symbol does not
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require an entry in the procedure linkage table. */
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bfd_vma plt_offset;
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/* If this symbol is used in the linker created sections, the processor
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specific backend uses this field to map the field into the offset
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from the beginning of the section. */
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struct elf_linker_section_pointers *linker_section_pointer;
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/* Symbol type (STT_NOTYPE, STT_OBJECT, etc.). */
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char type;
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/* Some flags; legal values follow. */
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unsigned char elf_link_hash_flags;
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/* Symbol is referenced by a non-shared object. */
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#define ELF_LINK_HASH_REF_REGULAR 01
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/* Symbol is defined by a non-shared object. */
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#define ELF_LINK_HASH_DEF_REGULAR 02
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/* Symbol is referenced by a shared object. */
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#define ELF_LINK_HASH_REF_DYNAMIC 04
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/* Symbol is defined by a shared object. */
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#define ELF_LINK_HASH_DEF_DYNAMIC 010
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/* Dynamic symbol has been adjustd. */
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#define ELF_LINK_HASH_DYNAMIC_ADJUSTED 020
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/* Symbol needs a copy reloc. */
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#define ELF_LINK_HASH_NEEDS_COPY 040
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/* Symbol needs a procedure linkage table entry. */
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#define ELF_LINK_HASH_NEEDS_PLT 0100
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/* Symbol appears in a non-ELF input file. */
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#define ELF_LINK_NON_ELF 0200
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/* Note: If you add more flags, you must change the type of
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elf_link_hash_flags. */
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};
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/* ELF linker hash table. */
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struct elf_link_hash_table
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{
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struct bfd_link_hash_table root;
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/* Whether we have created the special dynamic sections required
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when linking against or generating a shared object. */
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boolean dynamic_sections_created;
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/* The BFD used to hold special sections created by the linker.
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This will be the first BFD found which requires these sections to
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be created. */
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bfd *dynobj;
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/* The number of symbols found in the link which must be put into
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the .dynsym section. */
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bfd_size_type dynsymcount;
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/* The string table of dynamic symbols, which becomes the .dynstr
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section. */
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struct bfd_strtab_hash *dynstr;
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/* The number of buckets in the hash table in the .hash section.
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This is based on the number of dynamic symbols. */
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bfd_size_type bucketcount;
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/* A linked list of DT_NEEDED names found in dynamic objects
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included in the link. */
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struct bfd_link_needed_list *needed;
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};
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/* Look up an entry in an ELF linker hash table. */
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#define elf_link_hash_lookup(table, string, create, copy, follow) \
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((struct elf_link_hash_entry *) \
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bfd_link_hash_lookup (&(table)->root, (string), (create), \
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(copy), (follow)))
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/* Traverse an ELF linker hash table. */
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#define elf_link_hash_traverse(table, func, info) \
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(bfd_link_hash_traverse \
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(&(table)->root, \
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(boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func), \
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(info)))
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/* Get the ELF linker hash table from a link_info structure. */
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#define elf_hash_table(p) ((struct elf_link_hash_table *) ((p)->hash))
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/* Constant information held for an ELF backend. */
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struct elf_size_info {
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unsigned char sizeof_ehdr, sizeof_phdr, sizeof_shdr;
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unsigned char sizeof_rel, sizeof_rela, sizeof_sym, sizeof_dyn, sizeof_note;
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unsigned char arch_size, file_align;
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unsigned char elfclass, ev_current;
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int (*write_out_phdrs) PARAMS ((bfd *, Elf_Internal_Phdr *, int));
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boolean (*write_shdrs_and_ehdr) PARAMS ((bfd *));
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void (*write_relocs) PARAMS ((bfd *, asection *, PTR));
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void (*swap_symbol_out) PARAMS ((bfd *, Elf_Internal_Sym *, PTR));
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boolean (*slurp_reloc_table) PARAMS ((bfd *, asection *, asymbol **));
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long (*slurp_symbol_table) PARAMS ((bfd *, asymbol **, boolean));
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void (*swap_dyn_in) PARAMS ((bfd *, const PTR, Elf_Internal_Dyn *));
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};
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#define elf_symbol_from(ABFD,S) \
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(((S)->the_bfd->xvec->flavour == bfd_target_elf_flavour \
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&& (S)->the_bfd->tdata.elf_obj_data != 0) \
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? (elf_symbol_type *) (S) \
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: 0)
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struct elf_backend_data
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{
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/* Whether the backend uses REL or RELA relocations. FIXME: some
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ELF backends use both. When we need to support one, this whole
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approach will need to be changed. */
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int use_rela_p;
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/* The architecture for this backend. */
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enum bfd_architecture arch;
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/* The ELF machine code (EM_xxxx) for this backend. */
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int elf_machine_code;
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/* The maximum page size for this backend. */
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bfd_vma maxpagesize;
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/* This is true if the linker should act like collect and gather
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global constructors and destructors by name. This is true for
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MIPS ELF because the Irix 5 tools can not handle the .init
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section. */
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boolean collect;
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/* This is true if the linker should ignore changes to the type of a
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symbol. This is true for MIPS ELF because some Irix 5 objects
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record undefined functions as STT_OBJECT although the definitions
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are STT_FUNC. */
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boolean type_change_ok;
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/* A function to translate an ELF RELA relocation to a BFD arelent
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structure. */
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void (*elf_info_to_howto) PARAMS ((bfd *, arelent *,
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Elf_Internal_Rela *));
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/* A function to translate an ELF REL relocation to a BFD arelent
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structure. */
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void (*elf_info_to_howto_rel) PARAMS ((bfd *, arelent *,
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Elf_Internal_Rel *));
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/* A function to determine whether a symbol is global when
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partitioning the symbol table into local and global symbols.
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This should be NULL for most targets, in which case the correct
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thing will be done. MIPS ELF, at least on the Irix 5, has
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special requirements. */
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boolean (*elf_backend_sym_is_global) PARAMS ((bfd *, asymbol *));
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/* The remaining functions are hooks which are called only if they
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are not NULL. */
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/* A function to permit a backend specific check on whether a
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particular BFD format is relevant for an object file, and to
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permit the backend to set any global information it wishes. When
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this is called elf_elfheader is set, but anything else should be
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used with caution. If this returns false, the check_format
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routine will return a bfd_error_wrong_format error. */
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boolean (*elf_backend_object_p) PARAMS ((bfd *));
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/* A function to do additional symbol processing when reading the
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ELF symbol table. This is where any processor-specific special
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section indices are handled. */
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void (*elf_backend_symbol_processing) PARAMS ((bfd *, asymbol *));
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/* A function to do additional symbol processing after reading the
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entire ELF symbol table. */
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boolean (*elf_backend_symbol_table_processing) PARAMS ((bfd *,
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elf_symbol_type *,
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unsigned int));
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/* A function to do additional processing on the ELF section header
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just before writing it out. This is used to set the flags and
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type fields for some sections, or to actually write out data for
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unusual sections. */
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boolean (*elf_backend_section_processing) PARAMS ((bfd *,
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Elf32_Internal_Shdr *));
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/* A function to handle unusual section types when creating BFD
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sections from ELF sections. */
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boolean (*elf_backend_section_from_shdr) PARAMS ((bfd *,
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Elf32_Internal_Shdr *,
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char *));
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/* A function to set up the ELF section header for a BFD section in
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preparation for writing it out. This is where the flags and type
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fields are set for unusual sections. */
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boolean (*elf_backend_fake_sections) PARAMS ((bfd *, Elf32_Internal_Shdr *,
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asection *));
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/* A function to get the ELF section index for a BFD section. If
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this returns true, the section was found. If it is a normal ELF
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section, *RETVAL should be left unchanged. If it is not a normal
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ELF section *RETVAL should be set to the SHN_xxxx index. */
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boolean (*elf_backend_section_from_bfd_section)
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PARAMS ((bfd *, Elf32_Internal_Shdr *, asection *, int *retval));
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/* If this field is not NULL, it is called by the add_symbols phase
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of a link just before adding a symbol to the global linker hash
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table. It may modify any of the fields as it wishes. If *NAME
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is set to NULL, the symbol will be skipped rather than being
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added to the hash table. This function is responsible for
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handling all processor dependent symbol bindings and section
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indices, and must set at least *FLAGS and *SEC for each processor
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dependent case; failure to do so will cause a link error. */
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boolean (*elf_add_symbol_hook)
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PARAMS ((bfd *abfd, struct bfd_link_info *info,
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const Elf_Internal_Sym *, const char **name,
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flagword *flags, asection **sec, bfd_vma *value));
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/* If this field is not NULL, it is called by the elf_link_output_sym
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phase of a link for each symbol which will appear in the object file. */
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boolean (*elf_backend_link_output_symbol_hook)
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PARAMS ((bfd *, struct bfd_link_info *info, const char *,
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Elf_Internal_Sym *, asection *));
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/* The CREATE_DYNAMIC_SECTIONS function is called by the ELF backend
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linker the first time it encounters a dynamic object in the link.
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This function must create any sections required for dynamic
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linking. The ABFD argument is a dynamic object. The .interp,
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.dynamic, .dynsym, .dynstr, and .hash functions have already been
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created, and this function may modify the section flags if
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desired. This function will normally create the .got and .plt
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sections, but different backends have different requirements. */
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boolean (*elf_backend_create_dynamic_sections)
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PARAMS ((bfd *abfd, struct bfd_link_info *info));
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/* The CHECK_RELOCS function is called by the add_symbols phase of
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the ELF backend linker. It is called once for each section with
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relocs of an object file, just after the symbols for the object
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file have been added to the global linker hash table. The
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function must look through the relocs and do any special handling
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required. This generally means allocating space in the global
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offset table, and perhaps allocating space for a reloc. The
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relocs are always passed as Rela structures; if the section
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actually uses Rel structures, the r_addend field will always be
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zero. */
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boolean (*check_relocs)
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PARAMS ((bfd *abfd, struct bfd_link_info *info, asection *o,
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const Elf_Internal_Rela *relocs));
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/* The ADJUST_DYNAMIC_SYMBOL function is called by the ELF backend
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linker for every symbol which is defined by a dynamic object and
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referenced by a regular object. This is called after all the
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input files have been seen, but before the SIZE_DYNAMIC_SECTIONS
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function has been called. The hash table entry should be
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bfd_link_hash_defined ore bfd_link_hash_defweak, and it should be
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defined in a section from a dynamic object. Dynamic object
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sections are not included in the final link, and this function is
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responsible for changing the value to something which the rest of
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the link can deal with. This will normally involve adding an
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entry to the .plt or .got or some such section, and setting the
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symbol to point to that. */
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boolean (*elf_backend_adjust_dynamic_symbol)
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PARAMS ((struct bfd_link_info *info, struct elf_link_hash_entry *h));
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/* The SIZE_DYNAMIC_SECTIONS function is called by the ELF backend
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linker after all the linker input files have been seen but before
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the sections sizes have been set. This is called after
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ADJUST_DYNAMIC_SYMBOL has been called on all appropriate symbols.
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It is only called when linking against a dynamic object. It must
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set the sizes of the dynamic sections, and may fill in their
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contents as well. The generic ELF linker can handle the .dynsym,
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.dynstr and .hash sections. This function must handle the
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.interp section and any sections created by the
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CREATE_DYNAMIC_SECTIONS entry point. */
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boolean (*elf_backend_size_dynamic_sections)
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PARAMS ((bfd *output_bfd, struct bfd_link_info *info));
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/* The RELOCATE_SECTION function is called by the ELF backend linker
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to handle the relocations for a section.
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The relocs are always passed as Rela structures; if the section
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actually uses Rel structures, the r_addend field will always be
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zero.
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This function is responsible for adjust the section contents as
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necessary, and (if using Rela relocs and generating a
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relocateable output file) adjusting the reloc addend as
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necessary.
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This function does not have to worry about setting the reloc
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address or the reloc symbol index.
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LOCAL_SYMS is a pointer to the swapped in local symbols.
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LOCAL_SECTIONS is an array giving the section in the input file
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corresponding to the st_shndx field of each local symbol.
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The global hash table entry for the global symbols can be found
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via elf_sym_hashes (input_bfd).
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When generating relocateable output, this function must handle
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STB_LOCAL/STT_SECTION symbols specially. The output symbol is
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going to be the section symbol corresponding to the output
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section, which means that the addend must be adjusted
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accordingly. */
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boolean (*elf_backend_relocate_section)
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PARAMS ((bfd *output_bfd, struct bfd_link_info *info,
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bfd *input_bfd, asection *input_section, bfd_byte *contents,
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Elf_Internal_Rela *relocs, Elf_Internal_Sym *local_syms,
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asection **local_sections));
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/* The FINISH_DYNAMIC_SYMBOL function is called by the ELF backend
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linker just before it writes a symbol out to the .dynsym section.
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The processor backend may make any required adjustment to the
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symbol. It may also take the opportunity to set contents of the
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dynamic sections. Note that FINISH_DYNAMIC_SYMBOL is called on
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all .dynsym symbols, while ADJUST_DYNAMIC_SYMBOL is only called
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on those symbols which are defined by a dynamic object. */
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boolean (*elf_backend_finish_dynamic_symbol)
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PARAMS ((bfd *output_bfd, struct bfd_link_info *info,
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struct elf_link_hash_entry *h, Elf_Internal_Sym *sym));
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/* The FINISH_DYNAMIC_SECTIONS function is called by the ELF backend
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linker just before it writes all the dynamic sections out to the
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output file. The FINISH_DYNAMIC_SYMBOL will have been called on
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all dynamic symbols. */
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boolean (*elf_backend_finish_dynamic_sections)
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PARAMS ((bfd *output_bfd, struct bfd_link_info *info));
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/* A function to do any beginning processing needed for the ELF file
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before building the ELF headers and computing file positions. */
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void (*elf_backend_begin_write_processing)
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PARAMS ((bfd *, struct bfd_link_info *));
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/* A function to do any final processing needed for the ELF file
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before writing it out. The LINKER argument is true if this BFD
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was created by the ELF backend linker. */
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void (*elf_backend_final_write_processing)
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PARAMS ((bfd *, boolean linker));
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/* This function is called by get_program_header_size. It should
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return the number of additional program segments which this BFD
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will need. It should return -1 on error. */
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int (*elf_backend_additional_program_headers) PARAMS ((bfd *));
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/* This function is called to modify an existing segment map in a
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backend specific fashion. */
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boolean (*elf_backend_modify_segment_map) PARAMS ((bfd *));
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/* The swapping table to use when dealing with ECOFF information.
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Used for the MIPS ELF .mdebug section. */
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const struct ecoff_debug_swap *elf_backend_ecoff_debug_swap;
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/* Alternate EM_xxxx machine codes for this backend. */
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int elf_machine_alt1;
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int elf_machine_alt2;
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const struct elf_size_info *s;
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unsigned want_got_plt : 1;
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unsigned plt_readonly : 1;
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unsigned want_plt_sym : 1;
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};
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/* Information stored for each BFD section in an ELF file. This
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structure is allocated by elf_new_section_hook. */
|
||
|
||
struct bfd_elf_section_data
|
||
{
|
||
/* The ELF header for this section. */
|
||
Elf_Internal_Shdr this_hdr;
|
||
/* The ELF header for the reloc section associated with this
|
||
section, if any. */
|
||
Elf_Internal_Shdr rel_hdr;
|
||
/* The ELF section number of this section. Only used for an output
|
||
file. */
|
||
int this_idx;
|
||
/* The ELF section number of the reloc section associated with this
|
||
section, if any. Only used for an output file. */
|
||
int rel_idx;
|
||
/* Used by the backend linker to store the symbol hash table entries
|
||
associated with relocs against global symbols. */
|
||
struct elf_link_hash_entry **rel_hashes;
|
||
/* A pointer to the swapped relocs. If the section uses REL relocs,
|
||
rather than RELA, all the r_addend fields will be zero. This
|
||
pointer may be NULL. It is used by the backend linker. */
|
||
Elf_Internal_Rela *relocs;
|
||
/* Used by the backend linker when generating a shared library to
|
||
record the dynamic symbol index for a section symbol
|
||
corresponding to this section. */
|
||
long dynindx;
|
||
/* A pointer available for the processor specific ELF backend. */
|
||
PTR tdata;
|
||
};
|
||
|
||
#define elf_section_data(sec) ((struct bfd_elf_section_data*)sec->used_by_bfd)
|
||
|
||
#define get_elf_backend_data(abfd) \
|
||
((struct elf_backend_data *) (abfd)->xvec->backend_data)
|
||
|
||
/* Enumeration to specify the special section. */
|
||
typedef enum elf_linker_section_enum
|
||
{
|
||
LINKER_SECTION_UNKNOWN, /* not used */
|
||
LINKER_SECTION_GOT, /* .got section for global offset pointers */
|
||
LINKER_SECTION_PLT, /* .plt section for generated procedure stubs */
|
||
LINKER_SECTION_SDATA, /* .sdata/.sbss section for PowerPC */
|
||
LINKER_SECTION_SDATA2, /* .sdata2/.sbss2 section for PowerPC */
|
||
LINKER_SECTION_MAX /* # of linker sections */
|
||
} elf_linker_section_enum_t;
|
||
|
||
/* Sections created by the linker. */
|
||
|
||
typedef struct elf_linker_section
|
||
{
|
||
char *name; /* name of the section */
|
||
char *rel_name; /* name of the associated .rel{,a}. section */
|
||
char *bss_name; /* name of a related .bss section */
|
||
char *sym_name; /* name of symbol to reference this section */
|
||
asection *section; /* pointer to the section */
|
||
asection *bss_section; /* pointer to the bss section associated with this */
|
||
asection *rel_section; /* pointer to the relocations needed for this section */
|
||
struct elf_link_hash_entry *sym_hash; /* pointer to the created symbol hash value */
|
||
bfd_vma initial_size; /* initial size before any linker generated allocations */
|
||
bfd_vma sym_offset; /* offset of symbol from beginning of section */
|
||
bfd_vma hole_size; /* size of reserved address hole in allocation */
|
||
bfd_vma hole_offset; /* current offset for the hole */
|
||
bfd_vma max_hole_offset; /* maximum offset for the hole */
|
||
elf_linker_section_enum_t which; /* which section this is */
|
||
boolean hole_written_p; /* whether the hole has been initialized */
|
||
int alignment; /* alignment for the section */
|
||
flagword flags; /* flags to use to create the section */
|
||
} elf_linker_section_t;
|
||
|
||
/* Linked list of allocated pointer entries. This hangs off of the symbol lists, and
|
||
provides allows us to return different pointers, based on different addend's. */
|
||
|
||
typedef struct elf_linker_section_pointers
|
||
{
|
||
struct elf_linker_section_pointers *next; /* next allocated pointer for this symbol */
|
||
bfd_vma offset; /* offset of pointer from beginning of section */
|
||
bfd_signed_vma addend; /* addend used */
|
||
elf_linker_section_enum_t which; /* which linker section this is */
|
||
boolean written_address_p; /* whether address was written yet */
|
||
} elf_linker_section_pointers_t;
|
||
|
||
/* Some private data is stashed away for future use using the tdata pointer
|
||
in the bfd structure. */
|
||
|
||
struct elf_obj_tdata
|
||
{
|
||
Elf_Internal_Ehdr elf_header[1]; /* Actual data, but ref like ptr */
|
||
Elf_Internal_Shdr **elf_sect_ptr;
|
||
Elf_Internal_Phdr *phdr;
|
||
struct elf_segment_map *segment_map;
|
||
struct bfd_strtab_hash *strtab_ptr;
|
||
int num_locals;
|
||
int num_globals;
|
||
asymbol **section_syms; /* STT_SECTION symbols for each section */
|
||
Elf_Internal_Shdr symtab_hdr;
|
||
Elf_Internal_Shdr shstrtab_hdr;
|
||
Elf_Internal_Shdr strtab_hdr;
|
||
Elf_Internal_Shdr dynsymtab_hdr;
|
||
Elf_Internal_Shdr dynstrtab_hdr;
|
||
unsigned int symtab_section, shstrtab_section;
|
||
unsigned int strtab_section, dynsymtab_section;
|
||
file_ptr next_file_pos;
|
||
void *prstatus; /* The raw /proc prstatus structure */
|
||
void *prpsinfo; /* The raw /proc prpsinfo structure */
|
||
bfd_vma gp; /* The gp value (MIPS only, for now) */
|
||
unsigned int gp_size; /* The gp size (MIPS only, for now) */
|
||
|
||
/* This is set to true if the object was created by the backend
|
||
linker. */
|
||
boolean linker;
|
||
|
||
/* A mapping from external symbols to entries in the linker hash
|
||
table, used when linking. This is indexed by the symbol index
|
||
minus the sh_info field of the symbol table header. */
|
||
struct elf_link_hash_entry **sym_hashes;
|
||
|
||
/* A mapping from local symbols to offsets into the global offset
|
||
table, used when linking. This is indexed by the symbol index. */
|
||
bfd_vma *local_got_offsets;
|
||
|
||
/* A mapping from local symbols to offsets into the various linker
|
||
sections added. This is index by the symbol index. */
|
||
elf_linker_section_pointers_t **linker_section_pointers;
|
||
|
||
/* The linker ELF emulation code needs to let the backend ELF linker
|
||
know what filename should be used for a dynamic object if the
|
||
dynamic object is found using a search. The emulation code then
|
||
sometimes needs to know what name was actually used. Until the
|
||
file has been added to the linker symbol table, this field holds
|
||
the name the linker wants. After it has been added, it holds the
|
||
name actually used, which will be the DT_SONAME entry if there is
|
||
one. */
|
||
const char *dt_name;
|
||
|
||
/* Irix 5 often screws up the symbol table, sorting local symbols
|
||
after global symbols. This flag is set if the symbol table in
|
||
this BFD appears to be screwed up. If it is, we ignore the
|
||
sh_info field in the symbol table header, and always read all the
|
||
symbols. */
|
||
boolean bad_symtab;
|
||
|
||
/* Records the result of `get_program_header_size'. */
|
||
bfd_size_type program_header_size;
|
||
|
||
/* Used by find_nearest_line entry point. */
|
||
PTR line_info;
|
||
|
||
/* Used by MIPS ELF find_nearest_line entry point. The structure
|
||
could be included directly in this one, but there's no point to
|
||
wasting the memory just for the infrequently called
|
||
find_nearest_line. */
|
||
struct mips_elf_find_line *find_line_info;
|
||
|
||
/* Used to determine if the e_flags field has been initialized */
|
||
boolean flags_init;
|
||
|
||
/* Linker sections that we are interested in. */
|
||
struct elf_linker_section *linker_section[ (int)LINKER_SECTION_MAX ];
|
||
};
|
||
|
||
#define elf_tdata(bfd) ((bfd) -> tdata.elf_obj_data)
|
||
#define elf_elfheader(bfd) (elf_tdata(bfd) -> elf_header)
|
||
#define elf_elfsections(bfd) (elf_tdata(bfd) -> elf_sect_ptr)
|
||
#define elf_shstrtab(bfd) (elf_tdata(bfd) -> strtab_ptr)
|
||
#define elf_onesymtab(bfd) (elf_tdata(bfd) -> symtab_section)
|
||
#define elf_dynsymtab(bfd) (elf_tdata(bfd) -> dynsymtab_section)
|
||
#define elf_num_locals(bfd) (elf_tdata(bfd) -> num_locals)
|
||
#define elf_num_globals(bfd) (elf_tdata(bfd) -> num_globals)
|
||
#define elf_section_syms(bfd) (elf_tdata(bfd) -> section_syms)
|
||
#define core_prpsinfo(bfd) (elf_tdata(bfd) -> prpsinfo)
|
||
#define core_prstatus(bfd) (elf_tdata(bfd) -> prstatus)
|
||
#define elf_gp(bfd) (elf_tdata(bfd) -> gp)
|
||
#define elf_gp_size(bfd) (elf_tdata(bfd) -> gp_size)
|
||
#define elf_sym_hashes(bfd) (elf_tdata(bfd) -> sym_hashes)
|
||
#define elf_local_got_offsets(bfd) (elf_tdata(bfd) -> local_got_offsets)
|
||
#define elf_local_ptr_offsets(bfd) (elf_tdata(bfd) -> linker_section_pointers)
|
||
#define elf_dt_name(bfd) (elf_tdata(bfd) -> dt_name)
|
||
#define elf_bad_symtab(bfd) (elf_tdata(bfd) -> bad_symtab)
|
||
#define elf_flags_init(bfd) (elf_tdata(bfd) -> flags_init)
|
||
#define elf_linker_section(bfd,n) (elf_tdata(bfd) -> linker_section[(int)n])
|
||
|
||
extern int _bfd_elf_section_from_bfd_section PARAMS ((bfd *, asection *));
|
||
extern char *bfd_elf_string_from_elf_section
|
||
PARAMS ((bfd *, unsigned, unsigned));
|
||
extern char *bfd_elf_get_str_section PARAMS ((bfd *, unsigned));
|
||
|
||
extern boolean _bfd_elf_print_private_bfd_data PARAMS ((bfd *, PTR));
|
||
extern void bfd_elf_print_symbol PARAMS ((bfd *, PTR, asymbol *,
|
||
bfd_print_symbol_type));
|
||
#define elf_string_from_elf_strtab(abfd,strindex) \
|
||
bfd_elf_string_from_elf_section(abfd,elf_elfheader(abfd)->e_shstrndx,strindex)
|
||
|
||
#define bfd_elf32_print_symbol bfd_elf_print_symbol
|
||
#define bfd_elf64_print_symbol bfd_elf_print_symbol
|
||
#define bfd_elf32_mkobject bfd_elf_mkobject
|
||
#define bfd_elf64_mkobject bfd_elf_mkobject
|
||
#define elf_mkobject bfd_elf_mkobject
|
||
|
||
extern unsigned long bfd_elf_hash PARAMS ((CONST unsigned char *));
|
||
|
||
extern bfd_reloc_status_type bfd_elf_generic_reloc PARAMS ((bfd *,
|
||
arelent *,
|
||
asymbol *,
|
||
PTR,
|
||
asection *,
|
||
bfd *,
|
||
char **));
|
||
extern boolean bfd_elf_mkobject PARAMS ((bfd *));
|
||
extern Elf_Internal_Shdr *bfd_elf_find_section PARAMS ((bfd *, char *));
|
||
extern boolean _bfd_elf_make_section_from_shdr
|
||
PARAMS ((bfd *abfd, Elf_Internal_Shdr *hdr, const char *name));
|
||
extern struct bfd_hash_entry *_bfd_elf_link_hash_newfunc
|
||
PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
|
||
extern struct bfd_link_hash_table *_bfd_elf_link_hash_table_create
|
||
PARAMS ((bfd *));
|
||
extern boolean _bfd_elf_link_hash_table_init
|
||
PARAMS ((struct elf_link_hash_table *, bfd *,
|
||
struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
|
||
struct bfd_hash_table *,
|
||
const char *)));
|
||
|
||
extern boolean _bfd_elf_copy_private_symbol_data
|
||
PARAMS ((bfd *, asymbol *, bfd *, asymbol *));
|
||
extern boolean _bfd_elf_copy_private_section_data
|
||
PARAMS ((bfd *, asection *, bfd *, asection *));
|
||
extern boolean _bfd_elf_write_object_contents PARAMS ((bfd *));
|
||
extern boolean _bfd_elf_set_section_contents PARAMS ((bfd *, sec_ptr, PTR,
|
||
file_ptr,
|
||
bfd_size_type));
|
||
extern long _bfd_elf_get_symtab_upper_bound PARAMS ((bfd *));
|
||
extern long _bfd_elf_get_symtab PARAMS ((bfd *, asymbol **));
|
||
extern long _bfd_elf_get_dynamic_symtab_upper_bound PARAMS ((bfd *));
|
||
extern long _bfd_elf_canonicalize_dynamic_symtab PARAMS ((bfd *, asymbol **));
|
||
extern long _bfd_elf_get_reloc_upper_bound PARAMS ((bfd *, sec_ptr));
|
||
extern long _bfd_elf_canonicalize_reloc PARAMS ((bfd *, sec_ptr,
|
||
arelent **, asymbol **));
|
||
extern asymbol *_bfd_elf_make_empty_symbol PARAMS ((bfd *));
|
||
extern void _bfd_elf_get_symbol_info PARAMS ((bfd *, asymbol *,
|
||
symbol_info *));
|
||
extern alent *_bfd_elf_get_lineno PARAMS ((bfd *, asymbol *));
|
||
extern boolean _bfd_elf_set_arch_mach PARAMS ((bfd *, enum bfd_architecture,
|
||
unsigned long));
|
||
extern boolean _bfd_elf_find_nearest_line PARAMS ((bfd *, asection *,
|
||
asymbol **,
|
||
bfd_vma, CONST char **,
|
||
CONST char **,
|
||
unsigned int *));
|
||
#define _bfd_elf_read_minisymbols _bfd_generic_read_minisymbols
|
||
#define _bfd_elf_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
|
||
extern int _bfd_elf_sizeof_headers PARAMS ((bfd *, boolean));
|
||
extern boolean _bfd_elf_new_section_hook PARAMS ((bfd *, asection *));
|
||
|
||
/* If the target doesn't have reloc handling written yet: */
|
||
extern void _bfd_elf_no_info_to_howto PARAMS ((bfd *, arelent *,
|
||
Elf_Internal_Rela *));
|
||
|
||
asection *bfd_section_from_elf_index PARAMS ((bfd *, unsigned int));
|
||
boolean _bfd_elf_create_dynamic_sections PARAMS ((bfd *,
|
||
struct bfd_link_info *));
|
||
struct bfd_strtab_hash *_bfd_elf_stringtab_init PARAMS ((void));
|
||
boolean
|
||
_bfd_elf_link_record_dynamic_symbol PARAMS ((struct bfd_link_info *,
|
||
struct elf_link_hash_entry *));
|
||
boolean
|
||
_bfd_elf_compute_section_file_positions PARAMS ((bfd *,
|
||
struct bfd_link_info *));
|
||
void _bfd_elf_assign_file_positions_for_relocs PARAMS ((bfd *));
|
||
file_ptr _bfd_elf_assign_file_position_for_section PARAMS ((Elf_Internal_Shdr *,
|
||
file_ptr,
|
||
boolean));
|
||
|
||
boolean _bfd_elf_create_dynamic_sections PARAMS ((bfd *,
|
||
struct bfd_link_info *));
|
||
boolean _bfd_elf_create_got_section PARAMS ((bfd *,
|
||
struct bfd_link_info *));
|
||
|
||
elf_linker_section_t *_bfd_elf_create_linker_section
|
||
PARAMS ((bfd *abfd,
|
||
struct bfd_link_info *info,
|
||
enum elf_linker_section_enum,
|
||
elf_linker_section_t *defaults));
|
||
|
||
elf_linker_section_pointers_t *_bfd_elf_find_pointer_linker_section
|
||
PARAMS ((elf_linker_section_pointers_t *linker_pointers,
|
||
bfd_signed_vma addend,
|
||
elf_linker_section_enum_t which));
|
||
|
||
boolean bfd_elf32_create_pointer_linker_section
|
||
PARAMS ((bfd *abfd,
|
||
struct bfd_link_info *info,
|
||
elf_linker_section_t *lsect,
|
||
struct elf_link_hash_entry *h,
|
||
const Elf32_Internal_Rela *rel));
|
||
|
||
bfd_vma bfd_elf32_finish_pointer_linker_section
|
||
PARAMS ((bfd *output_abfd,
|
||
bfd *input_bfd,
|
||
struct bfd_link_info *info,
|
||
elf_linker_section_t *lsect,
|
||
struct elf_link_hash_entry *h,
|
||
bfd_vma relocation,
|
||
const Elf32_Internal_Rela *rel,
|
||
int relative_reloc));
|
||
|
||
boolean bfd_elf64_create_pointer_linker_section
|
||
PARAMS ((bfd *abfd,
|
||
struct bfd_link_info *info,
|
||
elf_linker_section_t *lsect,
|
||
struct elf_link_hash_entry *h,
|
||
const Elf64_Internal_Rela *rel));
|
||
|
||
bfd_vma bfd_elf64_finish_pointer_linker_section
|
||
PARAMS ((bfd *output_abfd,
|
||
bfd *input_bfd,
|
||
struct bfd_link_info *info,
|
||
elf_linker_section_t *lsect,
|
||
struct elf_link_hash_entry *h,
|
||
bfd_vma relocation,
|
||
const Elf64_Internal_Rela *rel,
|
||
int relative_reloc));
|
||
|
||
boolean _bfd_elf_make_linker_section_rela
|
||
PARAMS ((bfd *dynobj,
|
||
elf_linker_section_t *lsect,
|
||
int alignment));
|
||
|
||
extern const bfd_target *bfd_elf32_object_p PARAMS ((bfd *));
|
||
extern const bfd_target *bfd_elf32_core_file_p PARAMS ((bfd *));
|
||
extern char *bfd_elf32_core_file_failing_command PARAMS ((bfd *));
|
||
extern int bfd_elf32_core_file_failing_signal PARAMS ((bfd *));
|
||
extern boolean bfd_elf32_core_file_matches_executable_p PARAMS ((bfd *,
|
||
bfd *));
|
||
|
||
extern boolean bfd_elf32_bfd_link_add_symbols
|
||
PARAMS ((bfd *, struct bfd_link_info *));
|
||
extern boolean bfd_elf32_bfd_final_link
|
||
PARAMS ((bfd *, struct bfd_link_info *));
|
||
|
||
extern void bfd_elf32_swap_symbol_in
|
||
PARAMS ((bfd *, Elf32_External_Sym *, Elf_Internal_Sym *));
|
||
extern void bfd_elf32_swap_symbol_out
|
||
PARAMS ((bfd *, Elf_Internal_Sym *, PTR));
|
||
extern void bfd_elf32_swap_reloc_in
|
||
PARAMS ((bfd *, Elf32_External_Rel *, Elf_Internal_Rel *));
|
||
extern void bfd_elf32_swap_reloc_out
|
||
PARAMS ((bfd *, Elf_Internal_Rel *, Elf32_External_Rel *));
|
||
extern void bfd_elf32_swap_reloca_in
|
||
PARAMS ((bfd *, Elf32_External_Rela *, Elf_Internal_Rela *));
|
||
extern void bfd_elf32_swap_reloca_out
|
||
PARAMS ((bfd *, Elf_Internal_Rela *, Elf32_External_Rela *));
|
||
extern void bfd_elf32_swap_phdr_in
|
||
PARAMS ((bfd *, Elf32_External_Phdr *, Elf_Internal_Phdr *));
|
||
extern void bfd_elf32_swap_phdr_out
|
||
PARAMS ((bfd *, Elf_Internal_Phdr *, Elf32_External_Phdr *));
|
||
extern void bfd_elf32_swap_dyn_in
|
||
PARAMS ((bfd *, const PTR, Elf_Internal_Dyn *));
|
||
extern void bfd_elf32_swap_dyn_out
|
||
PARAMS ((bfd *, const Elf_Internal_Dyn *, Elf32_External_Dyn *));
|
||
extern boolean bfd_elf32_add_dynamic_entry
|
||
PARAMS ((struct bfd_link_info *, bfd_vma, bfd_vma));
|
||
extern boolean bfd_elf32_link_create_dynamic_sections
|
||
PARAMS ((bfd *, struct bfd_link_info *));
|
||
|
||
extern const bfd_target *bfd_elf64_object_p PARAMS ((bfd *));
|
||
extern const bfd_target *bfd_elf64_core_file_p PARAMS ((bfd *));
|
||
extern char *bfd_elf64_core_file_failing_command PARAMS ((bfd *));
|
||
extern int bfd_elf64_core_file_failing_signal PARAMS ((bfd *));
|
||
extern boolean bfd_elf64_core_file_matches_executable_p PARAMS ((bfd *,
|
||
bfd *));
|
||
extern boolean bfd_elf64_bfd_link_add_symbols
|
||
PARAMS ((bfd *, struct bfd_link_info *));
|
||
extern boolean bfd_elf64_bfd_final_link
|
||
PARAMS ((bfd *, struct bfd_link_info *));
|
||
|
||
extern void bfd_elf64_swap_symbol_in
|
||
PARAMS ((bfd *, Elf64_External_Sym *, Elf_Internal_Sym *));
|
||
extern void bfd_elf64_swap_symbol_out
|
||
PARAMS ((bfd *, Elf_Internal_Sym *, PTR));
|
||
extern void bfd_elf64_swap_reloc_in
|
||
PARAMS ((bfd *, Elf64_External_Rel *, Elf_Internal_Rel *));
|
||
extern void bfd_elf64_swap_reloc_out
|
||
PARAMS ((bfd *, Elf_Internal_Rel *, Elf64_External_Rel *));
|
||
extern void bfd_elf64_swap_reloca_in
|
||
PARAMS ((bfd *, Elf64_External_Rela *, Elf_Internal_Rela *));
|
||
extern void bfd_elf64_swap_reloca_out
|
||
PARAMS ((bfd *, Elf_Internal_Rela *, Elf64_External_Rela *));
|
||
extern void bfd_elf64_swap_phdr_in
|
||
PARAMS ((bfd *, Elf64_External_Phdr *, Elf_Internal_Phdr *));
|
||
extern void bfd_elf64_swap_phdr_out
|
||
PARAMS ((bfd *, Elf_Internal_Phdr *, Elf64_External_Phdr *));
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extern void bfd_elf64_swap_dyn_in
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PARAMS ((bfd *, const PTR, Elf_Internal_Dyn *));
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extern void bfd_elf64_swap_dyn_out
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PARAMS ((bfd *, const Elf_Internal_Dyn *, Elf64_External_Dyn *));
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extern boolean bfd_elf64_add_dynamic_entry
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PARAMS ((struct bfd_link_info *, bfd_vma, bfd_vma));
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extern boolean bfd_elf64_link_create_dynamic_sections
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PARAMS ((bfd *, struct bfd_link_info *));
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#define bfd_elf32_link_record_dynamic_symbol _bfd_elf_link_record_dynamic_symbol
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#define bfd_elf64_link_record_dynamic_symbol _bfd_elf_link_record_dynamic_symbol
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#endif /* _LIBELF_H_ */
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