aboutsummaryrefslogtreecommitdiff
path: root/sys/contrib/openzfs/module/lua/setjmp/setjmp_aarch64.S
diff options
context:
space:
mode:
Diffstat (limited to 'sys/contrib/openzfs/module/lua/setjmp/setjmp_aarch64.S')
-rw-r--r--sys/contrib/openzfs/module/lua/setjmp/setjmp_aarch64.S86
1 files changed, 86 insertions, 0 deletions
diff --git a/sys/contrib/openzfs/module/lua/setjmp/setjmp_aarch64.S b/sys/contrib/openzfs/module/lua/setjmp/setjmp_aarch64.S
new file mode 100644
index 000000000000..a5a9a85fd57e
--- /dev/null
+++ b/sys/contrib/openzfs/module/lua/setjmp/setjmp_aarch64.S
@@ -0,0 +1,86 @@
+/*-
+ * Copyright (c) 2014 Andrew Turner
+ * Copyright (c) 2014-2015 The FreeBSD Foundation
+ * All rights reserved.
+ *
+ * Portions of this software were developed by Andrew Turner
+ * under sponsorship from the FreeBSD Foundation
+ *
+ * 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
+ *
+ */
+
+
+#ifdef __aarch64__
+
+#define ENTRY(sym) \
+ .text; \
+ .globl sym; \
+ .align 2; \
+ .type sym,#function; \
+sym:
+
+#define END(sym) \
+ .size sym, . - sym
+
+
+ENTRY(setjmp)
+ /* Store the stack pointer */
+ mov x8, sp
+ str x8, [x0], #8
+
+ /* Store the general purpose registers and lr */
+ stp x19, x20, [x0], #16
+ stp x21, x22, [x0], #16
+ stp x23, x24, [x0], #16
+ stp x25, x26, [x0], #16
+ stp x27, x28, [x0], #16
+ stp x29, x30, [x0], #16
+
+ /* Return value */
+ mov x0, #0
+ ret
+END(setjmp)
+
+ENTRY(longjmp)
+ /* Restore the stack pointer */
+ ldr x8, [x0], #8
+ mov sp, x8
+
+ /* Restore the general purpose registers and lr */
+ ldp x19, x20, [x0], #16
+ ldp x21, x22, [x0], #16
+ ldp x23, x24, [x0], #16
+ ldp x25, x26, [x0], #16
+ ldp x27, x28, [x0], #16
+ ldp x29, x30, [x0], #16
+
+ /* Load the return value */
+ mov x0, x1
+ ret
+END(longjmp)
+
+#ifdef __ELF__
+.section .note.GNU-stack,"",%progbits
+#endif
+
+#endif /* __aarch64__ */