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