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.
77 lines
2.5 KiB
77 lines
2.5 KiB
/* Return raw section content.
|
|
Copyright (C) 1998, 1999, 2000, 2002, 2015 Red Hat, Inc.
|
|
This file is part of elfutils.
|
|
Contributed by Ulrich Drepper <drepper@redhat.com>, 1998.
|
|
|
|
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 <stdlib.h>
|
|
|
|
#include "libelfP.h"
|
|
|
|
|
|
Elf_Data *
|
|
elf_rawdata (Elf_Scn *scn, Elf_Data *data)
|
|
{
|
|
if (scn == NULL || scn->elf->kind != ELF_K_ELF)
|
|
{
|
|
__libelf_seterrno (ELF_E_INVALID_HANDLE);
|
|
return NULL;
|
|
}
|
|
|
|
/* If `data' is not NULL this means we are not addressing the initial
|
|
data in the file. But this also means this data is already read
|
|
(since otherwise it is not possible to have a valid `data' pointer)
|
|
and all the data structures are initialized as well. In this case
|
|
we can simply walk the list of data records. */
|
|
if (data != NULL
|
|
|| (scn->data_read != 0 && (scn->flags & ELF_F_FILEDATA) == 0))
|
|
{
|
|
/* We don't allow accessing any but the data read from the file
|
|
as raw. */
|
|
__libelf_seterrno (ELF_E_DATA_MISMATCH);
|
|
return NULL;
|
|
}
|
|
|
|
/* If the data for this section was not yet initialized do it now. */
|
|
if (scn->data_read == 0)
|
|
{
|
|
/* First thing we do is to read the data from the file. There is
|
|
always a file (or memory region) associated with this descriptor
|
|
since otherwise the `data_read' flag would be set. */
|
|
if (__libelf_set_rawdata (scn) != 0)
|
|
/* Something went wrong. The error value is already set. */
|
|
return NULL;
|
|
}
|
|
|
|
/* Return the first data element in the list. */
|
|
return &scn->rawdata.d;
|
|
}
|
|
INTDEF(elf_rawdata)
|