You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
88 lines
2.2 KiB
88 lines
2.2 KiB
/* Return number of sections in the ELF file.
|
|
Copyright (C) 2002, 2009, 2015 Red Hat, Inc.
|
|
This file is part of elfutils.
|
|
Written by Ulrich Drepper <drepper@redhat.com>, 2002.
|
|
|
|
This file is free software; you can redistribute it and/or modify
|
|
it under the terms of either
|
|
|
|
* the GNU Lesser General Public License as published by the Free
|
|
Software Foundation; either version 3 of the License, or (at
|
|
your option) any later version
|
|
|
|
or
|
|
|
|
* the GNU General Public License as published by the Free
|
|
Software Foundation; either version 2 of the License, or (at
|
|
your option) any later version
|
|
|
|
or both in parallel, as here.
|
|
|
|
elfutils is distributed in the hope that it will be useful, but
|
|
WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
General Public License for more details.
|
|
|
|
You should have received copies of the GNU General Public License and
|
|
the GNU Lesser General Public License along with this program. If
|
|
not, see <http://www.gnu.org/licenses/>. */
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include <config.h>
|
|
#endif
|
|
|
|
#include <assert.h>
|
|
#include <gelf.h>
|
|
#include <stddef.h>
|
|
|
|
#include "libelfP.h"
|
|
|
|
|
|
int
|
|
internal_function
|
|
__elf_getshdrnum_rdlock (Elf *elf, size_t *dst)
|
|
{
|
|
int result = 0;
|
|
int idx;
|
|
|
|
if (elf == NULL)
|
|
return -1;
|
|
|
|
if (unlikely (elf->kind != ELF_K_ELF))
|
|
{
|
|
__libelf_seterrno (ELF_E_INVALID_HANDLE);
|
|
return -1;
|
|
}
|
|
|
|
idx = elf->state.elf.scns_last->cnt;
|
|
if (idx != 0
|
|
|| (elf->state.elf.scns_last
|
|
!= (elf->class == ELFCLASS32
|
|
|| (offsetof (Elf, state.elf32.scns)
|
|
== offsetof (Elf, state.elf64.scns))
|
|
? &elf->state.elf32.scns : &elf->state.elf64.scns)))
|
|
/* There is at least one section. */
|
|
*dst = 1 + elf->state.elf.scns_last->data[idx - 1].index;
|
|
else
|
|
*dst = 0;
|
|
|
|
return result;
|
|
}
|
|
|
|
int
|
|
elf_getshdrnum (Elf *elf, size_t *dst)
|
|
{
|
|
int result;
|
|
|
|
if (elf == NULL)
|
|
return -1;
|
|
|
|
rwlock_rdlock (elf->lock);
|
|
result = __elf_getshdrnum_rdlock (elf, dst);
|
|
rwlock_unlock (elf->lock);
|
|
|
|
return result;
|
|
}
|
|
/* Alias for the deprecated name. */
|
|
strong_alias (elf_getshdrnum, elf_getshnum)
|