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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/osdep/unix/dl.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/osdep/unix/dl.c')
-rw-r--r--grub-core/osdep/unix/dl.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/grub-core/osdep/unix/dl.c b/grub-core/osdep/unix/dl.c
new file mode 100644
index 0000000..562b101
--- /dev/null
+++ b/grub-core/osdep/unix/dl.c
@@ -0,0 +1,61 @@
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2013 Free Software Foundation, Inc.
+ *
+ * GRUB 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.
+ *
+ * GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <config-util.h>
+
+#include <grub/dl.h>
+#include <grub/misc.h>
+#include <grub/mm.h>
+#include <sys/mman.h>
+#include <stdlib.h>
+#include <string.h>
+
+void *
+grub_osdep_dl_memalign (grub_size_t align, grub_size_t size)
+{
+ void *ret;
+ if (align < 8192 * 16)
+ align = 8192 * 16;
+ size = ALIGN_UP (size, 8192 * 16);
+
+#if defined(HAVE_POSIX_MEMALIGN)
+ if (posix_memalign (&ret, align, size) != 0)
+ ret = 0;
+#elif defined(HAVE_MEMALIGN)
+ ret = memalign (align, size);
+#else
+#error "Complete this"
+#endif
+
+ if (!ret)
+ {
+ grub_error (GRUB_ERR_OUT_OF_MEMORY, N_("out of memory"));
+ return NULL;
+ }
+
+ mprotect (ret, size, PROT_READ | PROT_WRITE | PROT_EXEC);
+ return ret;
+}
+
+void
+grub_dl_osdep_dl_free (void *ptr)
+{
+ if (ptr)
+ free (ptr);
+}