1/* Copyright (C) 2007-2012 Red Hat, Inc. 2 This file is part of elfutils. 3 Written by Ulrich Drepper <drepper@redhat.com>, 2007. 4 5 This file is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 3 of the License, or 8 (at your option) any later version. 9 10 elfutils is distributed in the hope that it will be useful, but 11 WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 17 18#ifndef _ARLIB_H 19#define _ARLIB_H 1 20 21#include <ar.h> 22#include <argp.h> 23#include <byteswap.h> 24#include <endian.h> 25#include <libelf.h> 26#include <obstack.h> 27#include <stdbool.h> 28#include <stddef.h> 29#include <stdint.h> 30#include <sys/types.h> 31 32 33/* State of -D/-U flags. */ 34extern bool arlib_deterministic_output; 35 36/* For options common to ar and ranlib. */ 37extern const struct argp_child arlib_argp_children[]; 38 39 40/* Maximum length of a file name that fits directly into the ar header. 41 We cannot use the final byte since a / goes there. */ 42#define MAX_AR_NAME_LEN (sizeof (((struct ar_hdr *) NULL)->ar_name) - 1) 43 44 45/* Words matching in size to archive header. */ 46#define AR_HDR_WORDS (sizeof (struct ar_hdr) / sizeof (uint32_t)) 47 48 49#if BYTE_ORDER == LITTLE_ENDIAN 50# define le_bswap_32(val) bswap_32 (val) 51#else 52# define le_bswap_32(val) (val) 53#endif 54 55 56/* Symbol table type. */ 57struct arlib_symtab 58{ 59 /* Symbol table handling. */ 60 struct obstack symsoffob; 61 struct obstack symsnameob; 62 size_t symsofflen; 63 uint32_t *symsoff; 64 size_t symsnamelen; 65 char *symsname; 66 67 /* Long filename handling. */ 68 struct obstack longnamesob; 69 size_t longnameslen; 70 char *longnames; 71}; 72 73 74/* Global variable with symbol table. */ 75extern struct arlib_symtab symtab; 76 77 78/* Initialize ARLIB_SYMTAB structure. */ 79extern void arlib_init (void); 80 81/* Finalize ARLIB_SYMTAB content. */ 82extern void arlib_finalize (void); 83 84/* Free resources for ARLIB_SYMTAB. */ 85extern void arlib_fini (void); 86 87/* Add symbols from ELF with value OFFSET to the symbol table SYMTAB. */ 88extern void arlib_add_symbols (Elf *elf, const char *arfname, 89 const char *membername, off_t off); 90 91/* Add name a file offset of a symbol. */ 92extern void arlib_add_symref (const char *symname, off_t symoff); 93 94/* Add long file name FILENAME of length FILENAMELEN to the symbol table 95 SYMTAB. Return the offset into the long file name table. */ 96extern long int arlib_add_long_name (const char *filename, size_t filenamelen); 97 98#endif /* arlib.h */ 99