/* Copyright (C) 2007-2012 Red Hat, Inc.

   This file is part of elfutils.

   Written by Ulrich Drepper <drepper@redhat.com>, 2007.

   This file 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 3 of the License, or

   (at your option) any later version.

   elfutils 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, see <http://www.gnu.org/licenses/>.  */

#ifndef _ARLIB_H

#define _ARLIB_H	1

#include <ar.h>

#include <argp.h>

#include <byteswap.h>

#include <endian.h>

#include <libelf.h>

#include <obstack.h>

#include <stdbool.h>

#include <stddef.h>

#include <stdint.h>

#include <sys/types.h>

/* State of -D/-U flags.  */

extern bool arlib_deterministic_output;

/* For options common to ar and ranlib.  */

extern const struct argp_child arlib_argp_children[];

/* Maximum length of a file name that fits directly into the ar header.

   We cannot use the final byte since a / goes there.  */

#define MAX_AR_NAME_LEN (sizeof (((struct ar_hdr *) NULL)->ar_name) - 1)

/* Words matching in size to archive header.  */

#define AR_HDR_WORDS (sizeof (struct ar_hdr) / sizeof (uint32_t))

#if __BYTE_ORDER == __LITTLE_ENDIAN

# define le_bswap_32(val) bswap_32 (val)

#else

# define le_bswap_32(val) (val)

#endif

/* Symbol table type.  */

struct arlib_symtab

{

  /* Symbol table handling.  */

  struct obstack symsoffob;

  struct obstack symsnameob;

  size_t symsofflen;

  uint32_t *symsoff;

  size_t symsnamelen;

  char *symsname;

  /* Long filename handling.  */

  struct obstack longnamesob;

  size_t longnameslen;

  char *longnames;

};

/* Global variable with symbol table.  */

extern struct arlib_symtab symtab;

/* Initialize ARLIB_SYMTAB structure.  */

extern void arlib_init (void);

/* Finalize ARLIB_SYMTAB content.  */

extern void arlib_finalize (void);

/* Free resources for ARLIB_SYMTAB.  */

extern void arlib_fini (void);

/* Add symbols from ELF with value OFFSET to the symbol table SYMTAB.  */

extern void arlib_add_symbols (Elf *elf, const char *arfname,

			       const char *membername, off_t off);

/* Add name a file offset of a symbol.  */

extern void arlib_add_symref (const char *symname, off_t symoff);

/* Add long file name FILENAME of length FILENAMELEN to the symbol table

   SYMTAB.  Return the offset into the long file name table.  */

extern long int arlib_add_long_name (const char *filename, size_t filenamelen);

#endif	/* arlib.h */