1164190Sjkoshy/*- 2164190Sjkoshy * Copyright (c) 2006 Joseph Koshy 3164190Sjkoshy * All rights reserved. 4164190Sjkoshy * 5164190Sjkoshy * Redistribution and use in source and binary forms, with or without 6164190Sjkoshy * modification, are permitted provided that the following conditions 7164190Sjkoshy * are met: 8164190Sjkoshy * 1. Redistributions of source code must retain the above copyright 9164190Sjkoshy * notice, this list of conditions and the following disclaimer. 10164190Sjkoshy * 2. Redistributions in binary form must reproduce the above copyright 11164190Sjkoshy * notice, this list of conditions and the following disclaimer in the 12164190Sjkoshy * documentation and/or other materials provided with the distribution. 13164190Sjkoshy * 14164190Sjkoshy * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15164190Sjkoshy * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16164190Sjkoshy * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17164190Sjkoshy * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18164190Sjkoshy * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19164190Sjkoshy * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20164190Sjkoshy * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21164190Sjkoshy * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22164190Sjkoshy * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23164190Sjkoshy * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24164190Sjkoshy * SUCH DAMAGE. 25164190Sjkoshy */ 26164190Sjkoshy 27164190Sjkoshy#include <sys/cdefs.h> 28164190Sjkoshy__FBSDID("$FreeBSD$"); 29164190Sjkoshy 30164190Sjkoshy#include <ar.h> 31164190Sjkoshy#include <libelf.h> 32164190Sjkoshy 33164190Sjkoshy#include "_libelf.h" 34164190Sjkoshy 35210345Skaiwstatic int 36210345Skaiw_libelf_getshdrstrndx(Elf *e, size_t *strndx) 37164190Sjkoshy{ 38164190Sjkoshy void *eh; 39164190Sjkoshy int ec; 40164190Sjkoshy 41164190Sjkoshy if (e == NULL || e->e_kind != ELF_K_ELF || 42165535Sjkoshy ((ec = e->e_class) != ELFCLASS32 && ec != ELFCLASS64)) { 43164190Sjkoshy LIBELF_SET_ERROR(ARGUMENT, 0); 44210345Skaiw return (-1); 45164190Sjkoshy } 46164190Sjkoshy 47165535Sjkoshy if ((eh = _libelf_ehdr(e, ec, 0)) == NULL) 48210345Skaiw return (-1); 49165535Sjkoshy 50165535Sjkoshy *strndx = e->e_u.e_elf.e_strndx; 51165535Sjkoshy 52210345Skaiw return (0); 53164190Sjkoshy} 54164190Sjkoshy 55164190Sjkoshyint 56210345Skaiwelf_getshdrstrndx(Elf *e, size_t *strndx) 57210345Skaiw{ 58210345Skaiw return (_libelf_getshdrstrndx(e, strndx)); 59210345Skaiw} 60210345Skaiw 61210345Skaiwint 62210345Skaiwelf_getshstrndx(Elf *e, size_t *strndx) /* Deprecated API. */ 63210345Skaiw{ 64210345Skaiw return (_libelf_getshdrstrndx(e, strndx) >= 0); 65210345Skaiw} 66210345Skaiw 67210345Skaiwint 68164190Sjkoshyelf_setshstrndx(Elf *e, size_t strndx) 69164190Sjkoshy{ 70164190Sjkoshy void *eh; 71164190Sjkoshy int ec; 72164190Sjkoshy 73164190Sjkoshy if (e == NULL || e->e_kind != ELF_K_ELF || 74164190Sjkoshy ((ec = e->e_class) != ELFCLASS32 && ec != ELFCLASS64) || 75164190Sjkoshy ((eh = _libelf_ehdr(e, ec, 0)) == NULL)) { 76164190Sjkoshy LIBELF_SET_ERROR(ARGUMENT, 0); 77164190Sjkoshy return (0); 78164190Sjkoshy } 79164190Sjkoshy 80164190Sjkoshy return (_libelf_setshstrndx(e, eh, ec, strndx)); 81164190Sjkoshy} 82