00001 /* 00002 * Copyright 2005 PathScale, Inc. All Rights Reserved. 00003 */ 00004 00005 /* 00006 nextscn.c - implementation of the elf_nextscn(3) function. 00007 Copyright (C) 1995 - 1998 Michael Riepe <michael@stud.uni-hannover.de> 00008 00009 This library is free software; you can redistribute it and/or 00010 modify it under the terms of the GNU Library General Public 00011 License as published by the Free Software Foundation; either 00012 version 2 of the License, or (at your option) any later version. 00013 00014 This library is distributed in the hope that it will be useful, 00015 but WITHOUT ANY WARRANTY; without even the implied warranty of 00016 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00017 Library General Public License for more details. 00018 00019 You should have received a copy of the GNU Library General Public 00020 License along with this library; if not, write to the Free Software 00021 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00022 */ 00023 00024 #include <private.h> 00025 00026 #ifndef lint 00027 static const char rcsid[] = "@(#) $Id: nextscn.c,v 1.1.1.1 2005/10/21 19:00:00 marcel Exp $"; 00028 #endif /* lint */ 00029 00030 Elf_Scn* 00031 elf_nextscn(Elf *elf, Elf_Scn *scn) { 00032 if (!elf) { 00033 return NULL; 00034 } 00035 elf_assert(elf->e_magic == ELF_MAGIC); 00036 if (scn) { 00037 elf_assert(scn->s_magic == SCN_MAGIC); 00038 if (scn->s_elf == elf) { 00039 return scn->s_link; 00040 } 00041 seterr(ERROR_ELFSCNMISMATCH); 00042 } 00043 else if (elf->e_kind != ELF_K_ELF) { 00044 seterr(ERROR_NOTELF); 00045 } 00046 else if (elf->e_ehdr || _elf_cook(elf)) { 00047 elf_assert(elf->e_ehdr); 00048 for (scn = elf->e_scn_1; scn; scn = scn->s_link) { 00049 elf_assert(scn->s_magic == SCN_MAGIC); 00050 elf_assert(scn->s_elf == elf); 00051 if (scn->s_index == 1) { 00052 return scn; 00053 } 00054 } 00055 seterr(ERROR_NOSUCHSCN); 00056 } 00057 return NULL; 00058 }
1.5.6