1 files changed, 66 insertions, 0 deletions
diff --git a/sysdeps/arc/setjmp.S b/sysdeps/arc/setjmp.S
new file mode 100644
index 0000000000..01cc3af982
--- /dev/null
+++ b/sysdeps/arc/setjmp.S
@@ -0,0 +1,66 @@
+/* setjmp for ARC.
+   Copyright (C) 2020 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
+   <https://www.gnu.org/licenses/>.  */
+
+
+#include <sysdep.h>
+
+/* Upon entry r0 = jump buffer into which regs will be saved.  */
+ENTRY (setjmp)
+	b.d	__sigsetjmp
+	mov	r1, 1		/* save signals.  */
+END (setjmp)
+
+/* Upon entry r0 = jump buffer into which regs will be saved.  */
+ENTRY (_setjmp)
+	b.d	__sigsetjmp
+	mov	r1, 0		/* don't save signals.  */
+END (_setjmp)
+libc_hidden_def (_setjmp)
+
+/* Upon entry
+   r0 = jump buffer into which regs will be saved
+   r1 = do we need to save signals.  */
+ENTRY (__sigsetjmp)
+
+	/* Make a note of where longjmp will return to.
+	   that will be right next to this setjmp call-site in BLINK
+	   since "C" caller of this routine will do a branch-n-link.  */
+
+	STR (blink, r0,  0)
+	STR (sp,    r0,  1)
+	STR (fp,    r0,  2)
+	STR (gp,    r0,  3)
+
+	STR (r13,   r0,  4)
+	STR (r14,   r0,  5)
+	STR (r15,   r0,  6)
+	STR (r16,   r0,  7)
+	STR (r17,   r0,  8)
+	STR (r18,   r0,  9)
+	STR (r19,   r0, 10)
+	STR (r20,   r0, 11)
+	STR (r21,   r0, 12)
+	STR (r22,   r0, 13)
+	STR (r23,   r0, 14)
+	STR (r24,   r0, 15)
+
+	b    __sigjmp_save
+
+END (__sigsetjmp)
+
+libc_hidden_def (__sigsetjmp)