1 /* Copyright (C) 2007-2012 Red Hat, Inc. 2 This file is part of elfutils. 3 Written by Ulrich Drepper <drepper (at) 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. */ 34 extern bool arlib_deterministic_output; 35 36 /* For options common to ar and ranlib. */ 37 extern 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. */ 57 struct 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. */ 75 extern struct arlib_symtab symtab; 76 77 78 /* Initialize ARLIB_SYMTAB structure. */ 79 extern void arlib_init (void); 80 81 /* Finalize ARLIB_SYMTAB content. */ 82 extern void arlib_finalize (void); 83 84 /* Free resources for ARLIB_SYMTAB. */ 85 extern void arlib_fini (void); 86 87 /* Add symbols from ELF with value OFFSET to the symbol table SYMTAB. */ 88 extern 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. */ 92 extern 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. */ 96 extern long int arlib_add_long_name (const char *filename, size_t filenamelen); 97 98 #endif /* arlib.h */ 99
