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binutils-gdb/bfd/libelf.h
Ken Raeburn 5cab016b72 removed unused elf_64_p field
1995-07-01 04:20:05 +00:00

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/* BFD back-end data structures for ELF files.
Copyright (C) 1992, 1993 Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#ifndef _LIBELF_H_
#define _LIBELF_H_ 1
#include "elf/common.h"
#include "elf/internal.h"
#include "elf/external.h"
#include "bfdlink.h"
/* If size isn't specified as 64 or 32, NAME macro should fail. */
#ifndef NAME
#if ARCH_SIZE==64
#define NAME(x,y) CAT4(x,64,_,y)
#endif
#if ARCH_SIZE==32
#define NAME(x,y) CAT4(x,32,_,y)
#endif
#endif
#ifndef NAME
#define NAME(x,y) CAT4(x,NOSIZE,_,y)
#endif
#define ElfNAME(X) NAME(Elf,X)
#define elfNAME(X) NAME(elf,X)
/* Information held for an ELF symbol. The first field is the
corresponding asymbol. Every symbol is an ELF file is actually a
pointer to this structure, although it is often handled as a
pointer to an asymbol. */
typedef struct
{
/* The BFD symbol. */
asymbol symbol;
/* ELF symbol information. */
Elf_Internal_Sym internal_elf_sym;
/* Backend specific information. */
union
{
unsigned int hppa_arg_reloc;
PTR mips_extr;
PTR any;
}
tc_data;
} elf_symbol_type;
/* ELF linker hash table entries. */
struct elf_link_hash_entry
{
struct bfd_link_hash_entry root;
/* Symbol index in output file. This is initialized to -1. It is
set to -2 if the symbol is used by a reloc. */
long indx;
/* Symbol size. */
bfd_size_type size;
/* Symbol index as a dynamic symbol. Initialized to -1, and remains
-1 if this is not a dynamic symbol. */
long dynindx;
/* String table index in .dynstr if this is a dynamic symbol. */
unsigned long dynstr_index;
/* If this is a weak defined symbol from a dynamic object, this
field points to a defined symbol with the same value, if there is
one. Otherwise it is NULL. */
struct elf_link_hash_entry *weakdef;
/* If this symbol requires an entry in the global offset table, the
processor specific backend uses this field to hold the offset
into the .got section. If this field is -1, then the symbol does
not require a global offset table entry. */
bfd_vma got_offset;
/* If this symbol requires an entry in the procedure linkage table,
the processor specific backend uses these two fields to hold the
offset into the procedure linkage section and the offset into the
.got section. If plt_offset is -1, then the symbol does not
require an entry in the procedure linkage table. */
bfd_vma plt_offset;
/* Symbol type (STT_NOTYPE, STT_OBJECT, etc.). */
char type;
/* Some flags; legal values follow. */
unsigned char elf_link_hash_flags;
/* Symbol is referenced by a non-shared object. */
#define ELF_LINK_HASH_REF_REGULAR 01
/* Symbol is defined by a non-shared object. */
#define ELF_LINK_HASH_DEF_REGULAR 02
/* Symbol is referenced by a shared object. */
#define ELF_LINK_HASH_REF_DYNAMIC 04
/* Symbol is defined by a shared object. */
#define ELF_LINK_HASH_DEF_DYNAMIC 010
/* Dynamic symbol has been adjustd. */
#define ELF_LINK_HASH_DYNAMIC_ADJUSTED 020
/* Symbol needs a copy reloc. */
#define ELF_LINK_HASH_NEEDS_COPY 040
/* Symbol needs a procedure linkage table entry. */
#define ELF_LINK_HASH_NEEDS_PLT 0100
};
/* ELF linker hash table. */
struct elf_link_hash_table
{
struct bfd_link_hash_table root;
/* Whether we have created the special dynamic sections required
when linking against or generating a shared object. */
boolean dynamic_sections_created;
/* The BFD used to hold special sections created by the linker.
This will be the first BFD found which requires these sections to
be created. */
bfd *dynobj;
/* The number of symbols found in the link which must be put into
the .dynsym section. */
size_t dynsymcount;
/* The string table of dynamic symbols, which becomes the .dynstr
section. */
struct bfd_strtab_hash *dynstr;
/* The number of buckets in the hash table in the .hash section.
This is based on the number of dynamic symbols. */
size_t bucketcount;
/* Whether we are linking against a dynamic object which has a
DT_NEEDED entry in the .dynamic section. This may need to become
a list of DT_NEEDED entries. */
boolean saw_needed;
};
/* Look up an entry in an ELF linker hash table. */
#define elf_link_hash_lookup(table, string, create, copy, follow) \
((struct elf_link_hash_entry *) \
bfd_link_hash_lookup (&(table)->root, (string), (create), \
(copy), (follow)))
/* Traverse an ELF linker hash table. */
#define elf_link_hash_traverse(table, func, info) \
(bfd_link_hash_traverse \
(&(table)->root, \
(boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func), \
(info)))
/* Get the ELF linker hash table from a link_info structure. */
#define elf_hash_table(p) ((struct elf_link_hash_table *) ((p)->hash))
/* Constant information held for an ELF backend. */
struct elf_backend_data
{
/* Whether the backend uses REL or RELA relocations. FIXME: some
ELF backends use both. When we need to support one, this whole
approach will need to be changed. */
int use_rela_p;
/* The architecture for this backend. */
enum bfd_architecture arch;
/* The ELF machine code (EM_xxxx) for this backend. */
int elf_machine_code;
/* The maximum page size for this backend. */
bfd_vma maxpagesize;
/* This is true if the linker should act like collect and gather
global constructors and destructors by name. This is true for
MIPS ELF because the Irix 5 tools can not handle the .init
section. */
boolean collect;
/* A function to translate an ELF RELA relocation to a BFD arelent
structure. */
void (*elf_info_to_howto) PARAMS ((bfd *, arelent *,
Elf_Internal_Rela *));
/* A function to translate an ELF REL relocation to a BFD arelent
structure. */
void (*elf_info_to_howto_rel) PARAMS ((bfd *, arelent *,
Elf_Internal_Rel *));
/* A function to determine whether a symbol is global when
partitioning the symbol table into local and global symbols.
This should be NULL for most targets, in which case the correct
thing will be done. MIPS ELF, at least on the Irix 5, has
special requirements. */
boolean (*elf_backend_sym_is_global) PARAMS ((bfd *, asymbol *));
/* The remaining functions are hooks which are called only if they
are not NULL. */
/* A function to permit a backend specific check on whether a
particular BFD format is relevant for an object file, and to
permit the backend to set any global information it wishes. When
this is called elf_elfheader is set, but anything else should be
used with caution. If this returns false, the check_format
routine will return a bfd_error_wrong_format error. */
boolean (*elf_backend_object_p) PARAMS ((bfd *));
/* A function to do additional symbol processing when reading the
ELF symbol table. This is where any processor-specific special
section indices are handled. */
void (*elf_backend_symbol_processing) PARAMS ((bfd *, asymbol *));
/* A function to do additional symbol processing after reading the
entire ELF symbol table. */
boolean (*elf_backend_symbol_table_processing) PARAMS ((bfd *,
elf_symbol_type *,
int));
/* A function to do additional processing on the ELF section header
just before writing it out. This is used to set the flags and
type fields for some sections, or to actually write out data for
unusual sections. */
boolean (*elf_backend_section_processing) PARAMS ((bfd *,
Elf32_Internal_Shdr *));
/* A function to handle unusual section types when creating BFD
sections from ELF sections. */
boolean (*elf_backend_section_from_shdr) PARAMS ((bfd *,
Elf32_Internal_Shdr *,
char *));
/* A function to set up the ELF section header for a BFD section in
preparation for writing it out. This is where the flags and type
fields are set for unusual sections. */
boolean (*elf_backend_fake_sections) PARAMS ((bfd *, Elf32_Internal_Shdr *,
asection *));
/* A function to get the ELF section index for a BFD section. If
this returns true, the section was found. If it is a normal ELF
section, *RETVAL should be left unchanged. If it is not a normal
ELF section *RETVAL should be set to the SHN_xxxx index. */
boolean (*elf_backend_section_from_bfd_section)
PARAMS ((bfd *, Elf32_Internal_Shdr *, asection *, int *retval));
/* If this field is not NULL, it is called by the add_symbols phase
of a link just before adding a symbol to the global linker hash
table. It may modify any of the fields as it wishes. If *NAME
is set to NULL, the symbol will be skipped rather than being
added to the hash table. This function is responsible for
handling all processor dependent symbol bindings and section
indices, and must set at least *FLAGS and *SEC for each processor
dependent case; failure to do so will cause a link error. */
boolean (*elf_add_symbol_hook)
PARAMS ((bfd *abfd, struct bfd_link_info *info,
const Elf_Internal_Sym *, const char **name,
flagword *flags, asection **sec, bfd_vma *value));
/* If this field is not NULL, it is called by the elf_link_output_sym
phase of a link for each symbol which will appear in the object file. */
boolean (*elf_backend_link_output_symbol_hook)
PARAMS ((bfd *, struct bfd_link_info *info, const char *,
Elf_Internal_Sym *, asection *));
/* The CREATE_DYNAMIC_SECTIONS function is called by the ELF backend
linker the first time it encounters a dynamic object in the link.
This function must create any sections required for dynamic
linking. The ABFD argument is a dynamic object. The .interp,
.dynamic, .dynsym, .dynstr, and .hash functions have already been
created, and this function may modify the section flags if
desired. This function will normally create the .got and .plt
sections, but different backends have different requirements. */
boolean (*elf_backend_create_dynamic_sections)
PARAMS ((bfd *abfd, struct bfd_link_info *info));
/* The CHECK_RELOCS function is called by the add_symbols phase of
the ELF backend linker. It is called once for each section with
relocs of an object file, just after the symbols for the object
file have been added to the global linker hash table. The
function must look through the relocs and do any special handling
required. This generally means allocating space in the global
offset table, and perhaps allocating space for a reloc. The
relocs are always passed as Rela structures; if the section
actually uses Rel structures, the r_addend field will always be
zero. */
boolean (*check_relocs)
PARAMS ((bfd *abfd, struct bfd_link_info *info, asection *o,
const Elf_Internal_Rela *relocs));
/* The ADJUST_DYNAMIC_SYMBOL function is called by the ELF backend
linker for every symbol which is defined by a dynamic object and
referenced by a regular object. This is called after all the
input files have been seen, but before the SIZE_DYNAMIC_SECTIONS
function has been called. The hash table entry should be
bfd_link_hash_defined ore bfd_link_hash_defweak, and it should be
defined in a section from a dynamic object. Dynamic object
sections are not included in the final link, and this function is
responsible for changing the value to something which the rest of
the link can deal with. This will normally involve adding an
entry to the .plt or .got or some such section, and setting the
symbol to point to that. */
boolean (*elf_backend_adjust_dynamic_symbol)
PARAMS ((struct bfd_link_info *info, struct elf_link_hash_entry *h));
/* The SIZE_DYNAMIC_SECTIONS function is called by the ELF backend
linker after all the linker input files have been seen but before
the sections sizes have been set. This is called after
ADJUST_DYNAMIC_SYMBOL has been called on all appropriate symbols.
It is only called when linking against a dynamic object. It must
set the sizes of the dynamic sections, and may fill in their
contents as well. The generic ELF linker can handle the .dynsym,
.dynstr and .hash sections. This function must handle the
.interp section and any sections created by the
CREATE_DYNAMIC_SECTIONS entry point. */
boolean (*elf_backend_size_dynamic_sections)
PARAMS ((bfd *output_bfd, struct bfd_link_info *info));
/* The RELOCATE_SECTION function is called by the ELF backend linker
to handle the relocations for a section.
The relocs are always passed as Rela structures; if the section
actually uses Rel structures, the r_addend field will always be
zero.
This function is responsible for adjust the section contents as
necessary, and (if using Rela relocs and generating a
relocateable output file) adjusting the reloc addend as
necessary.
This function does not have to worry about setting the reloc
address or the reloc symbol index.
LOCAL_SYMS is a pointer to the swapped in local symbols.
LOCAL_SECTIONS is an array giving the section in the input file
corresponding to the st_shndx field of each local symbol.
The global hash table entry for the global symbols can be found
via elf_sym_hashes (input_bfd).
When generating relocateable output, this function must handle
STB_LOCAL/STT_SECTION symbols specially. The output symbol is
going to be the section symbol corresponding to the output
section, which means that the addend must be adjusted
accordingly. */
boolean (*elf_backend_relocate_section)
PARAMS ((bfd *output_bfd, struct bfd_link_info *info,
bfd *input_bfd, asection *input_section, bfd_byte *contents,
Elf_Internal_Rela *relocs, Elf_Internal_Sym *local_syms,
asection **local_sections));
/* The FINISH_DYNAMIC_SYMBOL function is called by the ELF backend
linker just before it writes a symbol out to the .dynsym section.
The processor backend may make any required adjustment to the
symbol. It may also take the opportunity to set contents of the
dynamic sections. Note that FINISH_DYNAMIC_SYMBOL is called on
all .dynsym symbols, while ADJUST_DYNAMIC_SYMBOL is only called
on those symbols which are defined by a dynamic object. */
boolean (*elf_backend_finish_dynamic_symbol)
PARAMS ((bfd *output_bfd, struct bfd_link_info *info,
struct elf_link_hash_entry *h, Elf_Internal_Sym *sym));
/* The FINISH_DYNAMIC_SECTIONS function is called by the ELF backend
linker just before it writes all the dynamic sections out to the
output file. The FINISH_DYNAMIC_SYMBOL will have been called on
all dynamic symbols. */
boolean (*elf_backend_finish_dynamic_sections)
PARAMS ((bfd *output_bfd, struct bfd_link_info *info));
/* A function to do any beginning processing needed for the ELF file
before building the ELF headers and computing file positions. */
void (*elf_backend_begin_write_processing)
PARAMS ((bfd *, struct bfd_link_info *));
/* A function to do any final processing needed for the ELF file
before writing it out. The LINKER argument is true if this BFD
was created by the ELF backend linker. */
void (*elf_backend_final_write_processing)
PARAMS ((bfd *, boolean linker));
/* The swapping table to use when dealing with ECOFF information.
Used for the MIPS ELF .mdebug section. */
const struct ecoff_debug_swap *elf_backend_ecoff_debug_swap;
/* Alternate EM_xxxx machine codes for this backend. */
int elf_machine_alt1;
int elf_machine_alt2;
};
/* Information stored for each BFD section in an ELF file. This
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;
};
#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)
/* 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 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;
int symtab_section, shstrtab_section, 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) */
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;
/* 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. This field is used to
hold that information. */
const char *dt_needed_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 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 by PowerPC to determine if the e_flags field has been intiialized */
boolean ppc_flags_init;
};
#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_dt_needed_name(bfd) (elf_tdata(bfd) -> dt_needed_name)
#define elf_bad_symtab(bfd) (elf_tdata(bfd) -> bad_symtab)
#define elf_ppc_flags_init(bfd) (elf_tdata(bfd) -> ppc_flags_init)
extern char * elf_string_from_elf_section PARAMS ((bfd *, unsigned, unsigned));
extern char * elf_get_str_section PARAMS ((bfd *, unsigned));
extern void bfd_elf_print_symbol PARAMS ((bfd *, PTR, asymbol *,
bfd_print_symbol_type));
#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_elf32_write_object_contents PARAMS ((bfd *));
extern boolean bfd_elf64_write_object_contents PARAMS ((bfd *));
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_set_section_contents PARAMS ((bfd *, sec_ptr, PTR,
file_ptr,
bfd_size_type));
extern long bfd_elf32_get_symtab_upper_bound PARAMS ((bfd *));
extern long bfd_elf32_get_symtab PARAMS ((bfd *, asymbol **));
extern long bfd_elf32_get_dynamic_symtab_upper_bound PARAMS ((bfd *));
extern long bfd_elf32_canonicalize_dynamic_symtab PARAMS ((bfd *, asymbol **));
extern long bfd_elf32_get_reloc_upper_bound PARAMS ((bfd *, sec_ptr));
extern long bfd_elf32_canonicalize_reloc PARAMS ((bfd *, sec_ptr,
arelent **, asymbol **));
extern asymbol *bfd_elf32_make_empty_symbol PARAMS ((bfd *));
extern void bfd_elf32_get_symbol_info PARAMS ((bfd *, asymbol *,
symbol_info *));
extern alent *bfd_elf32_get_lineno PARAMS ((bfd *, asymbol *));
extern boolean bfd_elf32_set_arch_mach PARAMS ((bfd *, enum bfd_architecture,
unsigned long));
extern boolean bfd_elf32_find_nearest_line PARAMS ((bfd *, asection *,
asymbol **,
bfd_vma, CONST char **,
CONST char **,
unsigned int *));
extern int bfd_elf32_sizeof_headers PARAMS ((bfd *, boolean));
extern boolean bfd_elf32_new_section_hook PARAMS ((bfd *, asection *));
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 *, Elf32_External_Sym *));
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_dyn_in
PARAMS ((bfd *, const Elf32_External_Dyn *, 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 boolean bfd_elf32_link_record_dynamic_symbol
PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *));
/* If the target doesn't have reloc handling written yet: */
extern void bfd_elf32_no_info_to_howto PARAMS ((bfd *, arelent *,
Elf32_Internal_Rela *));
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_set_section_contents PARAMS ((bfd *, sec_ptr, PTR,
file_ptr,
bfd_size_type));
extern long bfd_elf64_get_symtab_upper_bound PARAMS ((bfd *));
extern long bfd_elf64_get_symtab PARAMS ((bfd *, asymbol **));
extern long bfd_elf64_get_dynamic_symtab_upper_bound PARAMS ((bfd *));
extern long bfd_elf64_canonicalize_dynamic_symtab PARAMS ((bfd *, asymbol **));
extern long bfd_elf64_get_reloc_upper_bound PARAMS ((bfd *, sec_ptr));
extern long bfd_elf64_canonicalize_reloc PARAMS ((bfd *, sec_ptr,
arelent **, asymbol **));
extern asymbol *bfd_elf64_make_empty_symbol PARAMS ((bfd *));
extern void bfd_elf64_get_symbol_info PARAMS ((bfd *, asymbol *,
symbol_info *));
extern alent *bfd_elf64_get_lineno PARAMS ((bfd *, asymbol *));
extern boolean bfd_elf64_set_arch_mach PARAMS ((bfd *, enum bfd_architecture,
unsigned long));
extern boolean bfd_elf64_find_nearest_line PARAMS ((bfd *, asection *,
asymbol **,
bfd_vma, CONST char **,
CONST char **,
unsigned int *));
extern int bfd_elf64_sizeof_headers PARAMS ((bfd *, boolean));
extern boolean bfd_elf64_new_section_hook PARAMS ((bfd *, asection *));
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 *, Elf64_External_Sym *));
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_dyn_in
PARAMS ((bfd *, const Elf64_External_Dyn *, Elf_Internal_Dyn *));
extern void bfd_elf64_swap_dyn_out
PARAMS ((bfd *, const Elf_Internal_Dyn *, Elf64_External_Dyn *));
extern boolean bfd_elf64_add_dynamic_entry
PARAMS ((struct bfd_link_info *, bfd_vma, bfd_vma));
extern boolean bfd_elf64_link_create_dynamic_sections
PARAMS ((bfd *, struct bfd_link_info *));
extern boolean bfd_elf64_link_record_dynamic_symbol
PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *));
/* If the target doesn't have reloc handling written yet: */
extern void bfd_elf64_no_info_to_howto PARAMS ((bfd *, arelent *,
Elf64_Internal_Rela *));
#endif /* _LIBELF_H_ */
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