2 * SPDX-License-Identifier: BSD-2-Clause
4 * Copyright (c) 2020 The FreeBSD Foundation
6 * This software was developed by Tiger Gao under sponsorship from
7 * the FreeBSD Foundation.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions are
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
40 elf32_getchdr(Elf_Scn *s)
42 return (_libelf_getchdr(s, ELFCLASS32));
46 elf64_getchdr(Elf_Scn *s)
48 return (_libelf_getchdr(s, ELFCLASS64));
52 gelf_getchdr(Elf_Scn *s, GElf_Chdr *d)
60 LIBELF_SET_ERROR(ARGUMENT, 0);
64 if ((ch = _libelf_getchdr(s, ELFCLASSNONE)) == NULL)
67 ec = s->s_elf->e_class;
68 assert(ec == ELFCLASS32 || ec == ELFCLASS64);
70 if (ec == ELFCLASS32) {
71 ch32 = (Elf32_Chdr *)ch;
73 d->ch_type = (Elf64_Word)ch32->ch_type;
74 d->ch_size = (Elf64_Xword)ch32->ch_size;
75 d->ch_addralign = (Elf64_Xword)ch32->ch_addralign;
77 ch64 = (Elf64_Chdr *)ch;