1 /*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * William Jolitz. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * from: @(#)SYS.h 5.5 (Berkeley) 5/7/91 37 * $NetBSD: SYS.h,v 1.11 1997/05/02 18:15:19 kleink Exp $ 38 */ 39 40 #include <machine/asm.h> 41 #include <sys/syscall.h> 42 43 #ifdef __STDC__ 44 #define SYSTRAP(x) movl $(SYS_ ## x),%eax; int $0x80 45 #else 46 #define SYSTRAP(x) movl $(SYS_/**/x),%eax; int $0x80 47 #endif 48 49 50 #define _SYSCALL_NOERROR(x,y) \ 51 ENTRY(x); \ 52 SYSTRAP(y) 53 54 #define _SYSCALL(x,y) \ 55 .text; .align 2; \ 56 2: jmp PIC_PLT(cerror); \ 57 _SYSCALL_NOERROR(x,y); \ 58 jc 2b 59 60 #define SYSCALL_NOERROR(x) \ 61 _SYSCALL_NOERROR(x,x) 62 63 #define SYSCALL(x) \ 64 _SYSCALL(x,x) 65 66 #define PSEUDO_NOERROR(x,y) \ 67 _SYSCALL_NOERROR(x,y); \ 68 ret 69 70 #define PSEUDO(x,y) \ 71 _SYSCALL(x,y); \ 72 ret 73 74 #define RSYSCALL_NOERROR(x) \ 75 PSEUDO_NOERROR(x,x) 76 77 #define RSYSCALL(x) \ 78 PSEUDO(x,x) 79 80 81 .globl cerror 82