Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1 | /* Return the size of an object file type. |
Roland McGrath | cb6d865 | 2007-08-23 08:10:54 +0000 | [diff] [blame] | 2 | Copyright (C) 1998, 1999, 2000, 2002, 2007 Red Hat, Inc. |
Ulrich Drepper | 361df7d | 2006-04-04 21:38:57 +0000 | [diff] [blame] | 3 | This file is part of Red Hat elfutils. |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 4 | Written by Ulrich Drepper <drepper@redhat.com>, 1998. |
| 5 | |
Ulrich Drepper | 361df7d | 2006-04-04 21:38:57 +0000 | [diff] [blame] | 6 | Red Hat elfutils is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by the |
| 8 | Free Software Foundation; version 2 of the License. |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 9 | |
Ulrich Drepper | 361df7d | 2006-04-04 21:38:57 +0000 | [diff] [blame] | 10 | Red Hat 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 GNU |
| 13 | General Public License for more details. |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 14 | |
Ulrich Drepper | 361df7d | 2006-04-04 21:38:57 +0000 | [diff] [blame] | 15 | You should have received a copy of the GNU General Public License along |
| 16 | with Red Hat elfutils; if not, write to the Free Software Foundation, |
Ulrich Drepper | 1e9ef50 | 2006-04-04 22:29:06 +0000 | [diff] [blame] | 17 | Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA. |
Ulrich Drepper | 361df7d | 2006-04-04 21:38:57 +0000 | [diff] [blame] | 18 | |
| 19 | In addition, as a special exception, Red Hat, Inc. gives You the |
| 20 | additional right to link the code of Red Hat elfutils with code licensed |
| 21 | under any Open Source Initiative certified open source license |
| 22 | (http://www.opensource.org/licenses/index.php) which requires the |
| 23 | distribution of source code with any binary distribution and to |
| 24 | distribute linked combinations of the two. Non-GPL Code permitted under |
| 25 | this exception must only link to the code of Red Hat elfutils through |
| 26 | those well defined interfaces identified in the file named EXCEPTION |
| 27 | found in the source code files (the "Approved Interfaces"). The files |
| 28 | of Non-GPL Code may instantiate templates or use macros or inline |
| 29 | functions from the Approved Interfaces without causing the resulting |
| 30 | work to be covered by the GNU General Public License. Only Red Hat, |
| 31 | Inc. may make changes or additions to the list of Approved Interfaces. |
| 32 | Red Hat's grant of this exception is conditioned upon your not adding |
| 33 | any new exceptions. If you wish to add a new Approved Interface or |
| 34 | exception, please contact Red Hat. You must obey the GNU General Public |
| 35 | License in all respects for all of the Red Hat elfutils code and other |
| 36 | code used in conjunction with Red Hat elfutils except the Non-GPL Code |
| 37 | covered by this exception. If you modify this file, you may extend this |
| 38 | exception to your version of the file, but you are not obligated to do |
| 39 | so. If you do not wish to provide this exception without modification, |
| 40 | you must delete this exception statement from your version and license |
| 41 | this file solely under the GPL without exception. |
| 42 | |
| 43 | Red Hat elfutils is an included package of the Open Invention Network. |
| 44 | An included package of the Open Invention Network is a package for which |
| 45 | Open Invention Network licensees cross-license their patents. No patent |
| 46 | license is granted, either expressly or impliedly, by designation as an |
| 47 | included package. Should you wish to participate in the Open Invention |
| 48 | Network licensing program, please visit www.openinventionnetwork.com |
| 49 | <http://www.openinventionnetwork.com>. */ |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 50 | |
| 51 | #ifdef HAVE_CONFIG_H |
| 52 | # include <config.h> |
| 53 | #endif |
| 54 | |
| 55 | #include <gelf.h> |
| 56 | #include <stddef.h> |
| 57 | |
| 58 | #include "libelfP.h" |
| 59 | |
| 60 | |
| 61 | /* These are the sizes for all the known types. */ |
| 62 | const size_t __libelf_type_sizes[EV_NUM - 1][ELFCLASSNUM - 1][ELF_T_NUM] = |
| 63 | { |
| 64 | /* We have no entry for EV_NONE siince we have to set an error. */ |
| 65 | [EV_CURRENT - 1] = { |
| 66 | [ELFCLASS32 - 1] = { |
| 67 | #define TYPE_SIZES(LIBELFBITS) \ |
| 68 | [ELF_T_ADDR] = ELFW2(LIBELFBITS, FSZ_ADDR), \ |
| 69 | [ELF_T_OFF] = ELFW2(LIBELFBITS, FSZ_OFF), \ |
| 70 | [ELF_T_BYTE] = 1, \ |
| 71 | [ELF_T_HALF] = ELFW2(LIBELFBITS, FSZ_HALF), \ |
| 72 | [ELF_T_WORD] = ELFW2(LIBELFBITS, FSZ_WORD), \ |
| 73 | [ELF_T_SWORD] = ELFW2(LIBELFBITS, FSZ_SWORD), \ |
| 74 | [ELF_T_XWORD] = ELFW2(LIBELFBITS, FSZ_XWORD), \ |
| 75 | [ELF_T_SXWORD] = ELFW2(LIBELFBITS, FSZ_SXWORD), \ |
| 76 | [ELF_T_EHDR] = sizeof (ElfW2(LIBELFBITS, Ext_Ehdr)), \ |
| 77 | [ELF_T_SHDR] = sizeof (ElfW2(LIBELFBITS, Ext_Shdr)), \ |
| 78 | [ELF_T_SYM] = sizeof (ElfW2(LIBELFBITS, Ext_Sym)), \ |
| 79 | [ELF_T_REL] = sizeof (ElfW2(LIBELFBITS, Ext_Rel)), \ |
| 80 | [ELF_T_RELA] = sizeof (ElfW2(LIBELFBITS, Ext_Rela)), \ |
| 81 | [ELF_T_PHDR] = sizeof (ElfW2(LIBELFBITS, Ext_Phdr)), \ |
| 82 | [ELF_T_DYN] = sizeof (ElfW2(LIBELFBITS, Ext_Dyn)), \ |
| 83 | [ELF_T_VDEF] = sizeof (ElfW2(LIBELFBITS, Ext_Verdef)), \ |
| 84 | [ELF_T_VDAUX] = sizeof (ElfW2(LIBELFBITS, Ext_Verdaux)), \ |
| 85 | [ELF_T_VNEED] = sizeof (ElfW2(LIBELFBITS, Ext_Verneed)), \ |
| 86 | [ELF_T_VNAUX] = sizeof (ElfW2(LIBELFBITS, Ext_Vernaux)), \ |
| 87 | [ELF_T_NHDR] = sizeof (ElfW2(LIBELFBITS, Ext_Nhdr)), \ |
| 88 | [ELF_T_SYMINFO] = sizeof (ElfW2(LIBELFBITS, Ext_Syminfo)), \ |
Roland McGrath | cb6d865 | 2007-08-23 08:10:54 +0000 | [diff] [blame] | 89 | [ELF_T_MOVE] = sizeof (ElfW2(LIBELFBITS, Ext_Move)), \ |
| 90 | [ELF_T_AUXV] = sizeof (ElfW2(LIBELFBITS, Ext_auxv_t)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 91 | TYPE_SIZES (32) |
| 92 | }, |
| 93 | [ELFCLASS64 - 1] = { |
| 94 | TYPE_SIZES (64) |
| 95 | } |
| 96 | } |
| 97 | }; |
| 98 | |
| 99 | |
| 100 | size_t |
| 101 | gelf_fsize (elf, type, count, version) |
| 102 | Elf *elf; |
| 103 | Elf_Type type; |
| 104 | size_t count; |
| 105 | unsigned int version; |
| 106 | { |
| 107 | /* We do not have differences between file and memory sizes. Better |
| 108 | not since otherwise `mmap' would not work. */ |
| 109 | if (elf == NULL) |
| 110 | return 0; |
| 111 | |
| 112 | if (version == EV_NONE || version >= EV_NUM) |
| 113 | { |
| 114 | __libelf_seterrno (ELF_E_UNKNOWN_VERSION); |
| 115 | return 0; |
| 116 | } |
| 117 | |
| 118 | if (type >= ELF_T_NUM) |
| 119 | { |
| 120 | __libelf_seterrno (ELF_E_UNKNOWN_TYPE); |
| 121 | return 0; |
| 122 | } |
| 123 | |
| 124 | #if EV_NUM != 2 |
| 125 | return count * __libelf_type_sizes[version - 1][elf->class - 1][type]; |
| 126 | #else |
| 127 | return count * __libelf_type_sizes[0][elf->class - 1][type]; |
| 128 | #endif |
| 129 | } |
| 130 | INTDEF(gelf_fsize) |