2 * Copyright (c) 2014 Andrew Turner
3 * Copyright (c) 2014 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
32 #include <machine/asm.h>
33 __FBSDID("$FreeBSD$");
35 #include <machine/setjmp.h>
41 /* Store the signal mask */
42 add x2, x0, #(_JB_SIGMASK * 8) /* oset */
44 mov x0, #1 /* SIG_BLOCK */
50 /* Store the magic value and stack pointer */
55 /* Store the general purpose registers and lr */
56 stp x19, x20, [x0], #16
57 stp x21, x22, [x0], #16
58 stp x23, x24, [x0], #16
59 stp x25, x26, [x0], #16
60 stp x27, x28, [x0], #16
61 stp x29, lr, [x0], #16
63 /* Store the vfp registers */
65 stp d10, d11, [x0], #16
66 stp d12, d13, [x0], #16
74 .quad _JB_MAGIC_SETJMP
82 /* Restore the signal mask */
84 add x1, x0, #(_JB_SIGMASK * 8) /* set */
85 mov x0, #3 /* SIG_SETMASK */
92 /* Check the magic value */
98 /* Restore the stack pointer */
102 /* Restore the general purpose registers and lr */
103 ldp x19, x20, [x0], #16
104 ldp x21, x22, [x0], #16
105 ldp x23, x24, [x0], #16
106 ldp x25, x26, [x0], #16
107 ldp x27, x28, [x0], #16
108 ldp x29, lr, [x0], #16
110 /* Restore the vfp registers */
111 ldp d8, d9, [x0], #16
112 ldp d10, d11, [x0], #16
113 ldp d12, d13, [x0], #16
116 /* Load the return value */
121 bl _C_LABEL(longjmperror)