asm.h revision 114072
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: @(#)DEFS.h 5.1 (Berkeley) 4/23/90 37 * from: FreeBSD: src/sys/i386/include/asm.h,v 1.7 2000/01/25 38 * $FreeBSD: head/sys/sparc64/include/asm.h 114072 2003-04-26 17:17:45Z obrien $ 39 */ 40 41#ifndef _MACHINE_ASM_H_ 42#define _MACHINE_ASM_H_ 43 44#define __ASM__ 45 46#include <sys/cdefs.h> 47 48#ifdef PIC 49#define PIC_PROLOGUE(r1, r2) \ 50 sethi %hi(_GLOBAL_OFFSET_TABLE_-4), r1 ; \ 51 rd %pc, r2 ; \ 52 or r1, %lo(_GLOBAL_OFFSET_TABLE_+4), r1 ; \ 53 add r2, r1, r2 54#define SET(name, r1, r2) \ 55 set name, r2 ; \ 56 ldx [r1 + r2], r2 57#else 58#define PIC_PROLOGUE(r1, r2) 59#define SET(name, r1, r2) \ 60 set name, r2 61#endif 62 63/* 64 * CNAME and HIDENAME manage the relationship between symbol names in C 65 * and the equivalent assembly language names. CNAME is given a name as 66 * it would be used in a C program. It expands to the equivalent assembly 67 * language name. HIDENAME is given an assembly-language name, and expands 68 * to a possibly-modified form that will be invisible to C programs. 69 */ 70#define CNAME(csym) csym 71#define HIDENAME(asmsym) __CONCAT(.,asmsym) 72 73#define CCFSZ 192 74#define SPOFF 2047 75 76/* 77 * Kernel RCS ID tag and copyright macros 78 */ 79 80#if !defined(lint) && !defined(STRIP_FBSDID) 81#define __FBSDID(s) .ident s 82#else 83#define __FBSDID(s) /* nothing */ 84#endif /* not lint and not STRIP_FBSDID */ 85 86#endif /* !_MACHINE_ASM_H_ */ 87