| /* $NetBSD: asm.h,v 1.40 2011/06/16 13:16:20 joerg Exp $ */ |
| |
| /*- |
| * Copyright (c) 1990 The Regents of the University of California. |
| * All rights reserved. |
| * |
| * This code is derived from software contributed to Berkeley by |
| * William Jolitz. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of the University nor the names of its contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * |
| * @(#)asm.h 5.5 (Berkeley) 5/7/91 |
| */ |
| |
| #ifndef _I386_ASM_H_ |
| #define _I386_ASM_H_ |
| |
| #ifdef PIC |
| #define PIC_PROLOGUE \ |
| pushl %ebx; \ |
| call 1f; \ |
| 1: \ |
| popl %ebx; \ |
| addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ebx |
| #define PIC_EPILOGUE \ |
| popl %ebx |
| #define PIC_PLT(x) x@PLT |
| #define PIC_GOT(x) x@GOT(%ebx) |
| #define PIC_GOTOFF(x) x@GOTOFF(%ebx) |
| #else |
| #define PIC_PROLOGUE |
| #define PIC_EPILOGUE |
| #define PIC_PLT(x) x |
| #define PIC_GOT(x) x |
| #define PIC_GOTOFF(x) x |
| #endif |
| |
| /* let kernels and others override entrypoint alignment */ |
| #if !defined(_ALIGN_TEXT) && !defined(_KERNEL) |
| # ifdef _STANDALONE |
| # define _ALIGN_TEXT .align 1 |
| # elif defined __ELF__ |
| # define _ALIGN_TEXT .align 16 |
| # else |
| # define _ALIGN_TEXT .align 4 |
| # endif |
| #endif |
| |
| #endif /* !_I386_ASM_H_ */ |