* elf-bfd.h (struct elf_obj_tdata): Add segment_map field.

	* elf.c (make_mapping): New static function.
	(map_sections_to_segments): New static function.
	(elf_sort_sections): New static function.
	(assign_file_positions_for_segments): New static function.
	(map_program_segments): Remove.
	(get_program_header_size): Remove sorted_hdrs, count, and
	maxpagesize parameters.  Simplify.
	(assign_file_positions_except_relocs): When generating an
	executable, use assign_file_positions_for_segments.
	(elf_sort_hdrs): Remove.
	(_bfd_elf_sizeof_headers): Remove eliminated parameters from call
	to get_program_header_size.

1 files changed, 726 insertions, 0 deletions

diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h
new file mode 100644
index 0000000..e7baaa9
--- /dev/null
+++ b/bfd/elf-bfd.h
@@ -0,0 +1,726 @@
+/* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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.  */
+  bfd_size_type 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.  */
+  bfd_size_type bucketcount;
+  /* A linked list of DT_NEEDED names found in dynamic objects
+     included in the link.  */
+  struct bfd_link_needed_list *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_size_info {
+  unsigned char sizeof_ehdr, sizeof_phdr, sizeof_shdr;
+  unsigned char sizeof_rel, sizeof_rela, sizeof_sym, sizeof_dyn, sizeof_note;
+
+  unsigned char arch_size, file_align;
+  unsigned char elfclass, ev_current;
+  int (*write_out_phdrs) PARAMS ((bfd *, Elf_Internal_Phdr *, int));
+  boolean (*write_shdrs_and_ehdr) PARAMS ((bfd *));
+  void (*write_relocs) PARAMS ((bfd *, asection *, PTR));
+  void (*swap_symbol_out) PARAMS ((bfd *, Elf_Internal_Sym *, PTR));
+  boolean (*slurp_reloc_table) PARAMS ((bfd *, asection *, asymbol **));
+  long (*slurp_symbol_table) PARAMS ((bfd *, asymbol **, boolean));
+};
+
+#define elf_symbol_from(ABFD,S) \
+	(((S)->the_bfd->xvec->flavour == bfd_target_elf_flavour \
+	  && (S)->the_bfd->tdata.elf_obj_data != 0) \
+	 ? (elf_symbol_type *) (S) \
+	 : 0)
+
+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 *,
+							  unsigned 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));
+
+  /* A function to create any special program headers required by the
+     backend.  PHDRS are the program headers, and PHDR_COUNT is the
+     number of them.  If PHDRS is NULL, this just counts headers
+     without creating them.  This returns an updated value for
+     PHDR_COUNT.  */
+  int (*elf_backend_create_program_headers)
+    PARAMS ((bfd *, Elf_Internal_Phdr *phdrs, int phdr_count));
+
+  /* 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;
+
+  const struct elf_size_info *s;
+
+  unsigned want_got_plt : 1;
+  unsigned plt_readonly : 1;
+  unsigned want_plt_sym : 1;
+
+  /* Put ELF and program headers in the first loadable segment.  */
+  unsigned want_hdr_in_seg : 1;
+};
+
+/* 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 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;
+
+  /* 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 * bfd_elf_string_from_elf_section PARAMS ((bfd *, unsigned, unsigned));
+extern char * bfd_elf_get_str_section PARAMS ((bfd *, unsigned));
+
+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 *));
+
+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 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 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 *));
+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 *));
+
+#define bfd_elf32_link_record_dynamic_symbol _bfd_elf_link_record_dynamic_symbol
+#define bfd_elf64_link_record_dynamic_symbol _bfd_elf_link_record_dynamic_symbol
+
+#endif /* _LIBELF_H_ */