1 /* $NetBSD: SYS.h,v 1.9 2004/08/21 11:18:40 rearnsha Exp $ */ 2 3 /*- 4 * Copyright (c) 1990 The Regents of the University of California. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * William Jolitz. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 32 * SUCH DAMAGE. 33 * 34 * from: @(#)SYS.h 5.5 (Berkeley) 5/7/91 35 */ 36 37 #include <machine/asm.h> 38 #include <sys/syscall.h> 39 #include <arm/swi.h> 40 41 #ifdef __STDC__ 42 #define SYSTRAP(x) swi SWI_OS_NETBSD | SYS_ ## x 43 #else 44 #define SYSTRAP(x) swi SWI_OS_NETBSD | SYS_/**/x 45 #endif 46 47 #ifdef __ELF__ 48 #define CERROR _C_LABEL(__cerror) 49 #define CURBRK _C_LABEL(__curbrk) 50 #else 51 #define CERROR _ASM_LABEL(cerror) 52 #define CURBRK _ASM_LABEL(curbrk) 53 #endif 54 55 #define _SYSCALL_NOERROR(x,y) \ 56 ENTRY(x); \ 57 SYSTRAP(y) 58 59 #define _SYSCALL(x, y) \ 60 _SYSCALL_NOERROR(x,y); \ 61 bcs PIC_SYM(CERROR, PLT) 62 63 #define SYSCALL_NOERROR(x) \ 64 _SYSCALL_NOERROR(x,x) 65 66 #define SYSCALL(x) \ 67 _SYSCALL(x,x) 68 69 70 #define PSEUDO_NOERROR(x,y) \ 71 _SYSCALL_NOERROR(x,y); \ 72 RET 73 74 #define PSEUDO(x,y) \ 75 _SYSCALL(x,y); \ 76 RET 77 78 79 #define RSYSCALL_NOERROR(x) \ 80 PSEUDO_NOERROR(x,x) 81 82 #define RSYSCALL(x) \ 83 PSEUDO(x,x) 84 85 #ifdef WEAK_ALIAS 86 #define WSYSCALL(weak,strong) \ 87 WEAK_ALIAS(weak,strong); \ 88 PSEUDO(strong,weak) 89 #else 90 #define WSYSCALL(weak,strong) \ 91 PSEUDO(weak,weak) 92 #endif 93 94 .globl CERROR 95