65 lines
1.6 KiB
C
65 lines
1.6 KiB
C
/* Get move structure at the given index.
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Copyright (C) 2000, 2001, 2002 Red Hat, Inc.
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Written by Ulrich Drepper <drepper@redhat.com>, 2000.
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This program is Open Source software; you can redistribute it and/or
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modify it under the terms of the Open Software License version 1.0 as
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published by the Open Source Initiative.
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You should have received a copy of the Open Software License along
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with this program; if not, you may obtain a copy of the Open Software
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License version 1.0 from http://www.opensource.org/licenses/osl.php or
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by writing the Open Source Initiative c/o Lawrence Rosen, Esq.,
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3001 King Ranch Road, Ukiah, CA 95482. */
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <assert.h>
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#include <gelf.h>
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#include <stddef.h>
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#include "libelfP.h"
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GElf_Move *
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gelf_getmove (Elf_Data *data, int ndx, GElf_Move *dst)
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{
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GElf_Move *result = NULL;
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Elf *elf;
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if (data == NULL)
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return NULL;
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if (unlikely (data->d_type != ELF_T_MOVE))
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{
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__libelf_seterrno (ELF_E_INVALID_HANDLE);
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return NULL;
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}
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/* The types for 32 and 64 bit are the same. Lucky us. */
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assert (sizeof (GElf_Move) == sizeof (Elf32_Move));
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assert (sizeof (GElf_Move) == sizeof (Elf64_Move));
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/* The data is already in the correct form. Just make sure the
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index is OK. */
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if (unlikely ((ndx + 1) * sizeof (GElf_Move) > data->d_size))
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{
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__libelf_seterrno (ELF_E_INVALID_INDEX);
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goto out;
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}
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elf = ((Elf_Data_Scn *) data)->s->elf;
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rwlock_rdlock (elf->lock);
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*dst = ((GElf_Move *) data->d_buf)[ndx];
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rwlock_unlock (elf->lock);
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result = dst;
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out:
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return result;
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}
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