1/* $NetBSD: libelf_msize.m4,v 1.2 2014/03/09 16:58:04 christos Exp $ */ 2 3/*- 4 * Copyright (c) 2006,2008-2011 Joseph Koshy 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29#if HAVE_NBTOOL_CONFIG_H 30# include "nbtool_config.h" 31#endif 32 33#include <sys/cdefs.h> 34 35#include <assert.h> 36#include <libelf.h> 37#include <string.h> 38 39#include "_libelf.h" 40 41__RCSID("$NetBSD: libelf_msize.m4,v 1.2 2014/03/09 16:58:04 christos Exp $"); 42ELFTC_VCSID("Id: libelf_msize.m4 2225 2011-11-26 18:55:54Z jkoshy "); 43 44/* WARNING: GENERATED FROM __file__. */ 45 46struct msize { 47 size_t msz32; 48 size_t msz64; 49}; 50 51divert(-1) 52include(SRCDIR`/elf_types.m4') 53 54/* 55 * ELF types whose memory representations have a variable size. 56 */ 57define(BYTE_SIZE, 1) 58define(GNUHASH_SIZE, 1) 59define(NOTE_SIZE, 1) 60define(VDEF_SIZE, 1) 61define(VNEED_SIZE, 1) 62 63/* 64 * Unimplemented types. 65 */ 66define(MOVEP_SIZE, 0) 67define(SXWORD_SIZE32, 0) 68define(XWORD_SIZE32, 0) 69 70define(`DEFINE_ELF_MSIZE', 71 `ifdef($1`_SIZE', 72 `define($1_SIZE32,$1_SIZE) 73 define($1_SIZE64,$1_SIZE)', 74 `ifdef($1`_SIZE32',`', 75 `define($1_SIZE32,sizeof(Elf32_$2))') 76 ifdef($1`_SIZE64',`', 77 `define($1_SIZE64,sizeof(Elf64_$2))')')') 78define(`DEFINE_ELF_MSIZES', 79 `ifelse($#,1,`', 80 `DEFINE_ELF_MSIZE($1) 81 DEFINE_ELF_MSIZES(shift($@))')') 82 83DEFINE_ELF_MSIZES(ELF_TYPE_LIST) 84 85define(`MSIZE', 86 `[ELF_T_$1] = { .msz32 = $1_SIZE32, .msz64 = $1_SIZE64 }, 87') 88define(`MSIZES', 89 `ifelse($#,1,`', 90 `MSIZE($1) 91MSIZES(shift($@))')') 92 93divert(0) 94 95static struct msize msize[ELF_T_NUM] = { 96MSIZES(ELF_TYPE_LIST) 97}; 98 99size_t 100_libelf_msize(Elf_Type t, int elfclass, unsigned int version) 101{ 102 size_t sz; 103 104 assert(elfclass == ELFCLASS32 || elfclass == ELFCLASS64); 105 assert((signed) t >= ELF_T_FIRST && t <= ELF_T_LAST); 106 107 if (version != EV_CURRENT) { 108 LIBELF_SET_ERROR(VERSION, 0); 109 return (0); 110 } 111 112 sz = (elfclass == ELFCLASS32) ? msize[t].msz32 : msize[t].msz64; 113 114 return (sz); 115} 116