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-rw-r--r--sysdeps/csky/abiv2/setjmp.S77
1 files changed, 77 insertions, 0 deletions
diff --git a/sysdeps/csky/abiv2/setjmp.S b/sysdeps/csky/abiv2/setjmp.S
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+++ b/sysdeps/csky/abiv2/setjmp.S
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+/* setjmp for C-SKY ABIV2.
+   Copyright (C) 2018 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/>.  */
+
+#include <sysdep.h>
+
+ENTRY (setjmp)
+	movi	a1, 1
+	br	__sigsetjmp
+END (setjmp)
+
+ENTRY (_setjmp)
+	movi	a1, 0
+	br	__sigsetjmp
+END (_setjmp)
+
+libc_hidden_def (_setjmp)
+
+ENTRY (__sigsetjmp)
+	mov	a2, a0
+	/* Save registers.  */
+
+#ifdef PTR_MANGLE
+	PTR_MANGLE (t0, sp, a3)
+	stw	t0, (a2, 0)
+	PTR_MANGLE2 (t0, lr, a3)
+	stw	t0, (a2, 4)
+#else
+	stw	sp, (a2, 0)
+	stw	lr, (a2, 4)
+#endif
+	stw	r4, (a2, 8)
+	stw	r5, (a2, 12)
+	stw	r6, (a2, 16)
+	stw	r7, (a2, 20)
+	stw	r8, (a2, 24)
+	stw	r9, (a2, 28)
+	stw	r10, (a2, 32)
+	stw	r11, (a2, 36)
+	stw	r16, (a2, 40)
+	stw	r17, (a2, 44)
+	stw	r26, (a2, 48)
+	stw	r27, (a2, 52)
+	stw	r28, (a2, 56)
+	stw	r29, (a2, 60)
+	stw	r30, (a2, 64)
+	stw	r31, (a2, 68)
+	addi	a2, 72
+
+#ifdef __PIC__
+	grs	t1, .Lgetpc
+.Lgetpc:
+	lrw	t0, .Lgetpc@GOTPC
+	addu	t1, t0
+	lrw	a2, __sigjmp_save@PLT
+	ldr.w	a2, (t1, a2 << 0)
+	jmp	a2
+#else
+	jmpi	__sigjmp_save
+#endif /* !__PIC__ */
+END (__sigsetjmp)
+
+hidden_def (__sigsetjmp)