2 * Copyright (c) 2014 Andrew Turner
3 * Copyright (c) 2014-2015 The FreeBSD Foundation
6 * Portions of this software were developed by Andrew Turner
7 * under sponsorship from the FreeBSD Foundation
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39 .type sym,#function; \
47 /* Store the stack pointer */
51 /* Store the general purpose registers and lr */
52 stp x19, x20, [x0], #16
53 stp x21, x22, [x0], #16
54 stp x23, x24, [x0], #16
55 stp x25, x26, [x0], #16
56 stp x27, x28, [x0], #16
57 stp x29, x30, [x0], #16
65 /* Restore the stack pointer */
69 /* Restore the general purpose registers and lr */
70 ldp x19, x20, [x0], #16
71 ldp x21, x22, [x0], #16
72 ldp x23, x24, [x0], #16
73 ldp x25, x26, [x0], #16
74 ldp x27, x28, [x0], #16
75 ldp x29, x30, [x0], #16
77 /* Load the return value */
83 .section .note.GNU-stack,"",%progbits
86 #endif /* __aarch64__ */