add experimental aarch64 support

Ported over from GNU C Library and runtime tested in Qemu.

1 files changed, 33 insertions, 0 deletions

diff --git a/libc/sysdeps/linux/aarch64/bits/setjmp.h b/libc/sysdeps/linux/aarch64/bits/setjmp.h
new file mode 100644
index 000000000..fff8616c6
--- /dev/null
+++ b/libc/sysdeps/linux/aarch64/bits/setjmp.h
@@ -0,0 +1,33 @@
+/* Copyright (C) 1997-2016 Free Software Foundation, Inc.
+
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 2.1 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _BITS_SETJMP_H
+#define _BITS_SETJMP_H 1
+
+#if !defined _SETJMP_H && !defined _PTHREAD_H
+# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
+#endif
+
+#ifndef _ASM
+/* Jump buffer contains:
+   x19-x28, x29(fp), x30(lr), (x31)sp, d8-d15.  Other registers are not
+   saved.  */
+__extension__ typedef unsigned long long __jmp_buf [22];
+
+#endif
+#endif