SYS.h revision 1.1
1 1.1 cgd /*- 2 1.1 cgd * Copyright (c) 1990 The Regents of the University of California. 3 1.1 cgd * All rights reserved. 4 1.1 cgd * 5 1.1 cgd * This code is derived from software contributed to Berkeley by 6 1.1 cgd * William Jolitz. 7 1.1 cgd * 8 1.1 cgd * Redistribution and use in source and binary forms, with or without 9 1.1 cgd * modification, are permitted provided that the following conditions 10 1.1 cgd * are met: 11 1.1 cgd * 1. Redistributions of source code must retain the above copyright 12 1.1 cgd * notice, this list of conditions and the following disclaimer. 13 1.1 cgd * 2. Redistributions in binary form must reproduce the above copyright 14 1.1 cgd * notice, this list of conditions and the following disclaimer in the 15 1.1 cgd * documentation and/or other materials provided with the distribution. 16 1.1 cgd * 3. All advertising materials mentioning features or use of this software 17 1.1 cgd * must display the following acknowledgement: 18 1.1 cgd * This product includes software developed by the University of 19 1.1 cgd * California, Berkeley and its contributors. 20 1.1 cgd * 4. Neither the name of the University nor the names of its contributors 21 1.1 cgd * may be used to endorse or promote products derived from this software 22 1.1 cgd * without specific prior written permission. 23 1.1 cgd * 24 1.1 cgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 1.1 cgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 1.1 cgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 1.1 cgd * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 1.1 cgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 1.1 cgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 1.1 cgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 1.1 cgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 1.1 cgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 1.1 cgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 1.1 cgd * SUCH DAMAGE. 35 1.1 cgd * 36 1.1 cgd * from: @(#)SYS.h 5.5 (Berkeley) 5/7/91 37 1.1 cgd * $Id: SYS.h,v 1.1 1993/10/07 00:18:55 cgd Exp $ 38 1.1 cgd */ 39 1.1 cgd 40 1.1 cgd #include <machine/asm.h> 41 1.1 cgd #include <sys/syscall.h> 42 1.1 cgd 43 1.1 cgd #ifdef PIC 44 1.1 cgd #define PIC_PROLOGUE \ 45 1.1 cgd pushl %ebx; \ 46 1.1 cgd call 1f; \ 47 1.1 cgd 1: \ 48 1.1 cgd popl %ebx; \ 49 1.1 cgd addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ebx 50 1.1 cgd #define PIC_EPILOGUE \ 51 1.1 cgd popl %ebx 52 1.1 cgd #define PIC_PLT(x) x@PLT 53 1.1 cgd #define PIC_GOT(x) x@GOT(%ebx) 54 1.1 cgd #define PIC_GOTOFF(x) x@GOTOFF(%ebx) 55 1.1 cgd #else 56 1.1 cgd #define PIC_PROLOGUE 57 1.1 cgd #define PIC_EPILOGUE 58 1.1 cgd #define PIC_PLT(x) x 59 1.1 cgd #define PIC_GOT(x) x 60 1.1 cgd #define PIC_GOTOFF(x) x 61 1.1 cgd #endif 62 1.1 cgd 63 1.1 cgd #define SYSCALL(x) 2: jmp cerror; ENTRY(x); lea SYS_/**/x,%eax; LCALL(7,0); jb 2b 64 1.1 cgd #define RSYSCALL(x) SYSCALL(x); ret 65 1.1 cgd #define PSEUDO(x,y) ENTRY(x); lea SYS_/**/y, %eax; ; LCALL(7,0); ret 66 1.1 cgd #define CALL(x,y) call _/**/y; addl $4*x,%esp 67 1.1 cgd /* gas fucks up offset -- although we don't currently need it, do for BCS */ 68 1.1 cgd #define LCALL(x,y) .byte 0x9a ; .long y; .word x 69 1.1 cgd 70 1.1 cgd .globl cerror 71
Indexes created Thu Sep 25 16:09:42 GMT 2025