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/* Get additional symbol information from symbol table at the given index.
Copyright (C) 2000, 2001, 2002 Red Hat, Inc.
Written by Ulrich Drepper <drepper@redhat.com>, 2000.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License version 2 as
published by the Free Software Foundation.
This program 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 a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <assert.h>
#include <gelf.h>
#include <string.h>
#include "libelfP.h"
GElf_Syminfo *
gelf_getsyminfo (data, ndx, dst)
Elf_Data *data;
int ndx;
GElf_Syminfo *dst;
{
GElf_Syminfo *result = NULL;
if (data == NULL)
return NULL;
if (unlikely (data->d_type != ELF_T_SYMINFO))
{
__libelf_seterrno (ELF_E_INVALID_HANDLE);
return NULL;
}
/* The types for 32 and 64 bit are the same. Lucky us. */
assert (sizeof (GElf_Syminfo) == sizeof (Elf32_Syminfo));
assert (sizeof (GElf_Syminfo) == sizeof (Elf64_Syminfo));
rwlock_rdlock (((Elf_Data_Scn *) data)->s->elf->lock);
/* The data is already in the correct form. Just make sure the
index is OK. */
if (unlikely ((ndx + 1) * sizeof (GElf_Syminfo) > data->d_size))
{
__libelf_seterrno (ELF_E_INVALID_INDEX);
goto out;
}
*dst = ((GElf_Syminfo *) data->d_buf)[ndx];
result = dst;
out:
rwlock_unlock (((Elf_Data_Scn *) data)->s->elf->lock);
return result;
}
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