1 /* $NetBSD: elf_end.c,v 1.2 2014/03/09 16:58:04 christos Exp $ */
4 * Copyright (c) 2006,2008-2009,2011 Joseph Koshy
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #if HAVE_NBTOOL_CONFIG_H
30 # include "nbtool_config.h"
33 #include <sys/cdefs.h>
45 __RCSID("$NetBSD: elf_end.c,v 1.2 2014/03/09 16:58:04 christos Exp $");
46 ELFTC_VCSID("Id: elf_end.c 2240 2011-11-28 06:36:48Z jkoshy ");
54 if (e
== NULL
|| e
->e_activations
== 0)
57 if (--e
->e_activations
> 0)
58 return (e
->e_activations
);
60 assert(e
->e_activations
== 0);
62 while (e
&& e
->e_activations
== 0) {
66 * If we still have open child descriptors, we
67 * need to defer reclaiming resources till all
68 * the child descriptors for the archive are
71 if (e
->e_u
.e_ar
.e_nchildren
> 0)
76 * Reclaim all section descriptors.
78 STAILQ_FOREACH_SAFE(scn
, &e
->e_u
.e_elf
.e_scn
, s_next
,
80 scn
= _libelf_release_scn(scn
);
89 if (e
->e_flags
& LIBELF_F_RAWFILE_MALLOC
)
92 else if (e
->e_flags
& LIBELF_F_RAWFILE_MMAP
)
93 (void) munmap(e
->e_rawfile
, e
->e_rawsize
);
98 if ((e
= e
->e_parent
) != NULL
)
99 e
->e_u
.e_ar
.e_nchildren
--;
100 sv
= _libelf_release_elf(sv
);