| Brian Silverman | 8649792 | 2018-02-10 19:28:39 -0500 | [diff] [blame] | 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. */ |
| 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 */ |