1 files changed, 68 insertions, 0 deletions
diff --git a/lib/loongarch64/setjmp.S b/lib/loongarch64/setjmp.S
new file mode 100644
index 0000000..94955ee
--- /dev/null
+++ b/lib/loongarch64/setjmp.S
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.
+ * Copyright (c) 2021 Loongson Technology Corporation Limited.All rights
+ * reserved.
+ * Author: zhoumingtao <zhoumingtao@loongson.cn>
+ *
+ * This program and the accompanying materials are licensed and made
+ * available
+ * under the terms and conditions of the BSD License which accompanies
+ * this
+ * distribution.  The full text of the license may be found at
+ * http://opensource.org/licenses/bsd-license.php.
+ *
+ * THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
+ * BASIS,
+ * WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR
+ * IMPLIED.
+ */
+
+	.text
+	.p2align 3
+
+/*
+   int setjmp(jmp_buf env);
+*/
+	.globl	setjmp
+	.type	setjmp, @function
+setjmp:
+	st.d $ra, $a0, 0x0
+	st.d $sp, $a0, 0x8
+	st.d $fp, $a0, 0x10
+	st.d $s0, $a0, 0x18
+	st.d $s1, $a0, 0x20
+	st.d $s2, $a0, 0x28
+	st.d $s3, $a0, 0x30
+	st.d $s4, $a0, 0x38
+	st.d $s5, $a0, 0x40
+	st.d $s6, $a0, 0x48
+	st.d $s7, $a0, 0x50
+	st.d $s8, $a0, 0x58
+
+	move $a0, $zero
+	jirl $zero,$ra,0
+
+/*
+   void longjmp(jmp_buf env, int val);
+*/
+	.globl	longjmp
+	.type	longjmp, @function
+longjmp:
+	ld.d $ra, $a0, 0x0
+	ld.d $sp, $a0, 0x8
+	ld.d $fp, $a0, 0x10
+	ld.d $s0, $a0, 0x18
+	ld.d $s1, $a0, 0x20
+	ld.d $s2, $a0, 0x28
+	ld.d $s3, $a0, 0x30
+	ld.d $s4, $a0, 0x38
+	ld.d $s5, $a0, 0x40
+	ld.d $s6, $a0, 0x48
+	ld.d $s7, $a0, 0x50
+	ld.d $s8, $a0, 0x58
+
+	addi.d $a0, $zero, 1	# a0 = 1
+	beqz $a1, .L0		# if (a1 == 0); goto L0
+	move $a0, $a1		# a0 = a1
+.L0:
+	jirl $zero,$ra,0