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 * $Id: SYS.h,v 1.1 1993/10/07 00:18:55 cgd Exp $ 38 */ 39 40 #include <machine/asm.h> 41 #include <sys/syscall.h> 42 43 #ifdef PIC 44 #define PIC_PROLOGUE \ 45 pushl %ebx; \ 46 call 1f; \ 47 1: \ 48 popl %ebx; \ 49 addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ebx 50 #define PIC_EPILOGUE \ 51 popl %ebx 52 #define PIC_PLT(x) x@PLT 53 #define PIC_GOT(x) x@GOT(%ebx) 54 #define PIC_GOTOFF(x) x@GOTOFF(%ebx) 55 #else 56 #define PIC_PROLOGUE 57 #define PIC_EPILOGUE 58 #define PIC_PLT(x) x 59 #define PIC_GOT(x) x 60 #define PIC_GOTOFF(x) x 61 #endif 62 63 #define SYSCALL(x) 2: jmp cerror; ENTRY(x); lea SYS_/**/x,%eax; LCALL(7,0); jb 2b 64 #define RSYSCALL(x) SYSCALL(x); ret 65 #define PSEUDO(x,y) ENTRY(x); lea SYS_/**/y, %eax; ; LCALL(7,0); ret 66 #define CALL(x,y) call _/**/y; addl $4*x,%esp 67 /* gas fucks up offset -- although we don't currently need it, do for BCS */ 68 #define LCALL(x,y) .byte 0x9a ; .long y; .word x 69 70 .globl cerror 71