2 * Copyright (c) 2015-2016 Ruslan Bukin <br@bsdpad.com>
5 * Portions of this software were developed by SRI International and the
6 * University of Cambridge Computer Laboratory under DARPA/AFRL contract
7 * FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme.
9 * Portions of this software were developed by the University of Cambridge
10 * Computer Laboratory as part of the CTSRD Project, with support from the
11 * UK Higher Education Innovation Fund (HEIF).
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 #include <machine/asm.h>
36 __FBSDID("$FreeBSD$");
38 #include <machine/setjmp.h>
45 /* Store the signal mask */
46 addi a2, a0, (_JB_SIGMASK * 8) /* oset */
48 li a0, 1 /* SIG_BLOCK */
55 /* Store the magic value and stack pointer */
62 /* Store the general purpose registers and ra */
78 #ifdef __riscv_float_abi_double
79 /* Store the fpe registers */
90 fsd fs10, (10 * 8)(a0)
91 fsd fs11, (11 * 8)(a0)
100 .quad _JB_MAGIC_SETJMP
104 addi sp, sp, -(4 * 8)
109 /* Restore the signal mask */
111 addi a1, a0, (_JB_SIGMASK * 8) /* set */
112 li a0, 3 /* SIG_BLOCK */
120 /* Check the magic value */
126 /* Restore the stack pointer */
131 /* Restore the general purpose registers and ra */
145 addi a0, a0, (13 * 8)
147 #ifdef __riscv_float_abi_double
148 /* Restore the fpe registers */
159 fld fs10, (10 * 8)(a0)
160 fld fs11, (11 * 8)(a0)
161 addi a0, a0, (12 * 8)
164 /* Load the return value */
169 call _C_LABEL(longjmperror)