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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1988 AT&T */
/* All Rights Reserved */
#include "libelf.h"
#include "decl.h"
#include "msg.h"
Elf_Scn *
elf_newscn(Elf * elf)
{
Elf_Scn * tl;
if (elf == 0)
return (0);
ELFWLOCK(elf)
/*
* if no sections yet, the file either isn't cooked
* or it truly is empty. Then allocate shdr[0]
*/
if ((elf->ed_hdscn == 0) && (_elf_cook(elf) != OK_YES)) {
ELFUNLOCK(elf)
return (0);
}
if (elf->ed_ehdr == 0) {
_elf_seterr(ESEQ_EHDR, 0);
ELFUNLOCK(elf)
return (0);
}
if (elf->ed_class == ELFCLASS32) {
Snode32 *s;
if (elf->ed_hdscn == 0) {
if ((s = _elf32_snode()) == 0) {
ELFUNLOCK(elf)
return (0);
}
s->sb_scn.s_elf = elf;
elf->ed_hdscn = elf->ed_tlscn = &s->sb_scn;
s->sb_scn.s_uflags |= ELF_F_DIRTY;
}
if ((s = _elf32_snode()) == 0) {
ELFUNLOCK(elf)
return (0);
}
tl = elf->ed_tlscn;
s->sb_scn.s_elf = elf;
s->sb_scn.s_index = tl->s_index + 1;
elf->ed_tlscn = tl->s_next = &s->sb_scn;
((Elf32_Ehdr *)elf->ed_ehdr)->e_shnum
/* LINTED */
= (Elf32_Half)(tl->s_index + 2);
s->sb_scn.s_uflags |= ELF_F_DIRTY;
tl = &s->sb_scn;
ELFUNLOCK(elf)
return (tl);
} else if (elf->ed_class == ELFCLASS64) {
Snode64 *s;
if (elf->ed_hdscn == 0) {
if ((s = _elf64_snode()) == 0) {
ELFUNLOCK(elf)
return (0);
}
s->sb_scn.s_elf = elf;
elf->ed_hdscn = elf->ed_tlscn = &s->sb_scn;
s->sb_scn.s_uflags |= ELF_F_DIRTY;
}
if ((s = _elf64_snode()) == 0) {
ELFUNLOCK(elf)
return (0);
}
tl = elf->ed_tlscn;
s->sb_scn.s_elf = elf;
s->sb_scn.s_index = tl->s_index + 1;
elf->ed_tlscn = tl->s_next = &s->sb_scn;
((Elf64_Ehdr *)elf->ed_ehdr)->e_shnum
/* LINTED */
= (Elf64_Half)(tl->s_index + 2);
s->sb_scn.s_uflags |= ELF_F_DIRTY;
tl = &s->sb_scn;
ELFUNLOCK(elf)
return (tl);
} else {
_elf_seterr(EREQ_CLASS, 0);
ELFUNLOCK(elf)
return (0);
}
}
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