aboutsummaryrefslogtreecommitdiff
path: root/lib/csu/common/crtbrand.S
diff options
context:
space:
mode:
Diffstat (limited to 'lib/csu/common/crtbrand.S')
-rw-r--r--lib/csu/common/crtbrand.S54
1 files changed, 54 insertions, 0 deletions
diff --git a/lib/csu/common/crtbrand.S b/lib/csu/common/crtbrand.S
new file mode 100644
index 000000000000..a06f72daa99d
--- /dev/null
+++ b/lib/csu/common/crtbrand.S
@@ -0,0 +1,54 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright 2000 David E. O'Brien, John D. Polstra.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <machine/asm.h>
+#include <sys/param.h>
+#include <sys/elf_common.h>
+#include "notes.h"
+
+/*
+ * Special ".note.tag" entry specifying the ABI version. See
+ * http://www.netbsd.org/Documentation/kernel/elf-notes.html
+ * for more information.
+ */
+
+ .section .note.tag,"aGR",%note,.freebsd.noteG,comdat
+ .p2align 2
+ .4byte 2f-1f
+ .4byte 4f-3f
+ .4byte NT_FREEBSD_ABI_TAG
+1: .asciz NOTE_FREEBSD_VENDOR
+2: .p2align 2
+3: .4byte __FreeBSD_version
+4:
+
+ .section .note.GNU-stack,"",%progbits
+
+#ifdef __aarch64__
+/* This is needed in all objects for BTI to be used in the linked elf file */
+GNU_PROPERTY_AARCH64_FEATURE_1_NOTE(GNU_PROPERTY_AARCH64_FEATURE_1_VAL)
+#endif