asm.h revision 1.21
1/* $NetBSD: asm.h,v 1.21 2008/08/31 23:23:42 mrg Exp $ */ 2/* 3 * Copyright (c) 1982, 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Neither the name of the University nor the names of its contributors 15 * may be used to endorse or promote products derived from this software 16 * without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * @(#)DEFS.h 8.1 (Berkeley) 6/4/93 31 */ 32 33#ifndef _VAX_ASM_H_ 34#define _VAX_ASM_H_ 35 36#define R0 0x001 37#define R1 0x002 38#define R2 0x004 39#define R3 0x008 40#define R4 0x010 41#define R5 0x020 42#define R6 0x040 43#define R7 0x080 44#define R8 0x100 45#define R9 0x200 46#define R10 0x400 47#define R11 0x800 48 49#define _C_LABEL(x) x 50 51#define _ASM_LABEL(x) x 52 53#ifdef __STDC__ 54# define __CONCAT(x,y) x ## y 55# define __STRING(x) #x 56#else 57# define __CONCAT(x,y) x/**/y 58# define __STRING(x) "x" 59#endif 60 61/* let kernels and others override entrypoint alignment */ 62#ifndef _ALIGN_TEXT 63# define _ALIGN_TEXT .align 4 64#endif 65 66#define _ENTRY(x, regs) \ 67 .text; _ALIGN_TEXT; .globl x; .type x@function; x: .word regs 68 69#ifdef GPROF 70# define _PROF_PROLOGUE \ 71 .data; 1:; .long 0; .text; moval 1b,%r0; jsb _ASM_LABEL(__mcount) 72#else 73# define _PROF_PROLOGUE 74#endif 75 76#define ENTRY(x, regs) _ENTRY(_C_LABEL(x), regs); _PROF_PROLOGUE 77#define NENTRY(x, regs) _ENTRY(_C_LABEL(x), regs) 78#define ASENTRY(x, regs) _ENTRY(_ASM_LABEL(x), regs); _PROF_PROLOGUE 79 80#define ALTENTRY(x) .globl _C_LABEL(x); _C_LABEL(x): 81#define RCSID(name) .pushsection ".ident"; .asciz name; .popsection 82 83 84#define WEAK_ALIAS(alias,sym) \ 85 .weak alias; \ 86 alias = sym 87 88/* 89 * STRONG_ALIAS: create a strong alias. 90 */ 91#define STRONG_ALIAS(alias,sym) \ 92 .globl alias; \ 93 alias = sym 94 95#ifdef __STDC__ 96#define WARN_REFERENCES(sym,msg) \ 97 .stabs msg ## ,30,0,0,0 ; \ 98 .stabs __STRING(_C_LABEL(sym)) ## ,1,0,0,0 99#else 100#define WARN_REFERENCES(sym,msg) \ 101 .stabs msg,30,0,0,0 ; \ 102 .stabs __STRING(_C_LABEL(sym)),1,0,0,0 103#endif /* __STDC__ */ 104 105#endif /* !_VAX_ASM_H_ */ 106