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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:29:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:29:51 +0000
commit6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e (patch)
tree32451fa3cdd9321fb2591fada9891b2cb70a9cd1 /grub-core/loader/aout.c
parentInitial commit. (diff)
downloadgrub2-6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e.tar.xz
grub2-6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e.zip
Adding upstream version 2.06.upstream/2.06upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'grub-core/loader/aout.c')
-rw-r--r--grub-core/loader/aout.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/grub-core/loader/aout.c b/grub-core/loader/aout.c
new file mode 100644
index 0000000..69bf6e6
--- /dev/null
+++ b/grub-core/loader/aout.c
@@ -0,0 +1,62 @@
+/*
+ * 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;
+}