1/*-
2 * Copyright (c) 2006 Joseph Koshy
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD$");
29
30#include <sys/types.h>
31#include <sys/elf32.h>
32#include <sys/elf64.h>
33
34#include <assert.h>
35#include <libelf.h>
36#include <osreldate.h>
37#include <string.h>
38
39#include "_libelf.h"
40
41/* WARNING: GENERATED FROM __file__. */
42
43struct msize {
44	size_t	msz32;
45	size_t	msz64;
46};
47
48divert(-1)
49include(SRCDIR`/elf_types.m4')
50
51define(BYTE_SIZE,	1)
52define(GNUHASH_SIZE,	1)
53define(NOTE_SIZE,	1)
54
55/*
56 * Unimplemented types.
57 */
58define(MOVEP_SIZE,	0)
59define(SXWORD_SIZE32,	0)
60define(XWORD_SIZE32,	0)
61
62define(`DEFINE_ELF_MSIZE',
63  `ifdef($1`_SIZE',
64    `define($1_SIZE32,$1_SIZE)
65     define($1_SIZE64,$1_SIZE)',
66    `ifdef($1`_SIZE32',`',
67      `define($1_SIZE32,sizeof(Elf32_$2))')
68     ifdef($1`_SIZE64',`',
69      `define($1_SIZE64,sizeof(Elf64_$2))')')')
70define(`DEFINE_ELF_MSIZES',
71  `ifelse($#,1,`',
72    `DEFINE_ELF_MSIZE($1)
73     DEFINE_ELF_MSIZES(shift($@))')')
74
75DEFINE_ELF_MSIZES(ELF_TYPE_LIST)
76
77define(`MSIZE',
78  `#if	__FreeBSD_version >= $3
79    [ELF_T_$1] = { .msz32 = $1_SIZE32, .msz64 = $1_SIZE64 },
80#endif')
81define(`MSIZES',
82  `ifelse($#,1,`',
83    `MSIZE($1)
84MSIZES(shift($@))')')
85
86divert(0)
87
88static struct msize msize[ELF_T_NUM] = {
89MSIZES(ELF_TYPE_LIST)
90};
91
92size_t
93_libelf_msize(Elf_Type t, int elfclass, unsigned int version)
94{
95	size_t sz;
96
97	assert(elfclass == ELFCLASS32 || elfclass == ELFCLASS64);
98	assert((signed) t >= ELF_T_FIRST && t <= ELF_T_LAST);
99
100	if (version != EV_CURRENT) {
101		LIBELF_SET_ERROR(VERSION, 0);
102		return (0);
103	}
104
105	sz = (elfclass == ELFCLASS32) ? msize[t].msz32 : msize[t].msz64;
106
107	return (sz);
108}
109