2 * Copyright (c) 2014 Andrew Turner
3 * Copyright (c) 2015 The FreeBSD Foundation
6 * This software was developed by Andrew Turner under
7 * 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
33 #include <sys/syscall.h>
34 #include <machine/asm.h>
36 #define _SYSCALL(name) \
37 mov x8, SYS_ ## name; \
40 #define SYSCALL(name) \
41 ENTRY(__sys_##name); \
42 WEAK_REFERENCE(__sys_##name, name); \
43 WEAK_REFERENCE(__sys_##name, _##name); \
49 * Conditional jumps can only go up to one megabyte in either
50 * direction, and cerror can be located anywhere, so we have
51 * to jump around to use more capable unconditional branch
54 #define PSEUDO(name) \
55 ENTRY(__sys_##name); \
56 WEAK_REFERENCE(__sys_##name, _##name); \
63 #define RSYSCALL(name) \
64 ENTRY(__sys_##name); \
65 WEAK_REFERENCE(__sys_##name, name); \
66 WEAK_REFERENCE(__sys_##name, _##name); \