mirror of
https://github.com/openharmony/third_party_elfutils.git
synced 2026-07-20 23:45:11 -04:00
Ulrich Drepper
67 lines
2.2 KiB
C
67 lines
2.2 KiB
C
/* Return raw section content.
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Copyright (C) 1998, 1999, 2000, 2002 Red Hat, Inc.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 1998.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, version 2.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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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 <stdlib.h>
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#include "libelfP.h"
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Elf_Data *
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elf_rawdata (scn, data)
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Elf_Scn *scn;
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Elf_Data *data;
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{
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if (scn == NULL || scn->elf->kind != ELF_K_ELF)
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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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/* If `data' is not NULL this means we are not addressing the initial
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data in the file. But this also means this data is already read
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(since otherwise it is not possible to have a valid `data' pointer)
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and all the data structures are initialized as well. In this case
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we can simply walk the list of data records. */
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if (data != NULL
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|| (scn->data_read != 0 && (scn->flags & ELF_F_FILEDATA) == 0))
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{
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/* We don't allow accessing any but the data read from the file
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as raw. */
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__libelf_seterrno (ELF_E_DATA_MISMATCH);
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return NULL;
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}
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/* If the data for this section was not yet initialized do it now. */
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if (scn->data_read == 0)
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{
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/* First thing we do is to read the data from the file. There is
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always a file (or memory region) associated with this descriptor
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since otherwise the `data_read' flag would be set. */
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if (__libelf_set_rawdata (scn) != 0)
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/* Something went wrong. The error value is already set. */
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return NULL;
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}
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/* Return the first data element in the list. */
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return &scn->rawdata.d;
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}
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INTDEF(elf_rawdata)
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