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/*
* Copyright (C) 2008 Free Software Foundation, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include <grub/file.h>
#include <grub/err.h>
#include <grub/dl.h>
#include <grub/misc.h>
#include <grub/aout.h>
GRUB_MOD_LICENSE ("GPLv3+");
int
grub_aout_get_type (union grub_aout_header *header)
{
int magic;
magic = AOUT_GETMAGIC (header->aout32);
if ((magic == AOUT32_OMAGIC) || (magic == AOUT32_NMAGIC) ||
(magic == AOUT32_ZMAGIC) || (magic == AOUT32_QMAGIC))
return AOUT_TYPE_AOUT32;
else if ((magic == AOUT64_OMAGIC) || (magic == AOUT64_NMAGIC) ||
(magic == AOUT64_ZMAGIC))
return AOUT_TYPE_AOUT64;
else
return AOUT_TYPE_NONE;
}
grub_err_t
grub_aout_load (grub_file_t file, int offset,
void *load_addr,
int load_size, grub_size_t bss_size)
{
if ((grub_file_seek (file, offset)) == (grub_off_t) - 1)
return grub_errno;
if (!load_size)
load_size = file->size - offset;
grub_file_read (file, load_addr, load_size);
if (grub_errno)
return grub_errno;
if (bss_size)
grub_memset ((char *) load_addr + load_size, 0, bss_size);
return GRUB_ERR_NONE;
}
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