1/*- 2 * Copyright (c) 2014 Andrew Turner 3 * Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com> 4 * All rights reserved. 5 * 6 * Portions of this software were developed by SRI International and the 7 * University of Cambridge Computer Laboratory under DARPA/AFRL contract 8 * FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme. 9 * 10 * Portions of this software were developed by the University of Cambridge 11 * Computer Laboratory as part of the CTSRD Project, with support from the 12 * UK Higher Education Innovation Fund (HEIF). 13 * 14 * Redistribution and use in source and binary forms, with or without 15 * modification, are permitted provided that the following conditions 16 * are met: 17 * 1. Redistributions of source code must retain the above copyright 18 * notice, this list of conditions and the following disclaimer. 19 * 2. Redistributions in binary form must reproduce the above copyright 20 * notice, this list of conditions and the following disclaimer in the 21 * documentation and/or other materials provided with the distribution. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * $FreeBSD$ 36 */ 37 38#include <sys/syscall.h> 39#include <machine/asm.h> 40 41#define _SYSCALL(name) \ 42 li t0, SYS_ ## name; \ 43 ecall 44 45#define SYSCALL(name) \ 46ENTRY(__sys_##name); \ 47 WEAK_REFERENCE(__sys_##name, name); \ 48 WEAK_REFERENCE(__sys_##name, _##name); \ 49 _SYSCALL(name); \ 50 ret; \ 51END(__sys_##name) 52 53#define PSEUDO(name) \ 54ENTRY(__sys_##name); \ 55 WEAK_REFERENCE(__sys_##name, _##name); \ 56 _SYSCALL(name); \ 57 bnez t0, cerror; \ 58 ret; \ 59END(__sys_##name) 60 61#define RSYSCALL(name) \ 62ENTRY(__sys_##name); \ 63 WEAK_REFERENCE(__sys_##name, name); \ 64 WEAK_REFERENCE(__sys_##name, _##name); \ 65 _SYSCALL(name); \ 66 bnez t0, cerror; \ 67 ret; \ 68END(__sys_##name) 69