asm.h revision 1.15
1/* $NetBSD: asm.h,v 1.15 2002/10/02 00:23:29 thorpej 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. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by the University of 17 * California, Berkeley and its contributors. 18 * 4. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)DEFS.h 8.1 (Berkeley) 6/4/93 35 */ 36 37#ifndef _VAX_ASM_H_ 38#define _VAX_ASM_H_ 39 40#define R0 0x001 41#define R1 0x002 42#define R2 0x004 43#define R3 0x008 44#define R4 0x010 45#define R5 0x020 46#define R6 0x040 47#define R7 0x080 48#define R8 0x100 49#define R9 0x200 50#define R10 0x400 51#define R11 0x800 52 53#ifdef __ELF__ 54# define _C_LABEL(x) x 55#else 56# ifdef __STDC__ 57# define _C_LABEL(x) _ ## x 58# else 59# define _C_LABEL(x) _/**/x 60# endif 61#endif 62 63#define _ASM_LABEL(x) x 64 65#ifdef __STDC__ 66# define __CONCAT(x,y) x ## y 67# define __STRING(x) #x 68#else 69# define __CONCAT(x,y) x/**/y 70# define __STRING(x) "x" 71#endif 72 73/* let kernels and others override entrypoint alignment */ 74#ifndef _ALIGN_TEXT 75# ifdef __ELF__ 76# define _ALIGN_TEXT .align 4 77# else 78# define _ALIGN_TEXT .align 2 79# endif 80#endif 81 82#define _ENTRY(x, regs) \ 83 .text; _ALIGN_TEXT; .globl x; .type x@function; x: .word regs 84 85#ifdef GPROF 86# ifdef __ELF__ 87# define _PROF_PROLOGUE \ 88 .data; 1:; .long 0; .text; moval 1b,%r0; jsb _ASM_LABEL(__mcount) 89# else 90# define _PROF_PROLOGUE \ 91 .data; 1:; .long 0; .text; moval 1b,r0; jsb _ASM_LABEL(mcount) 92# endif 93#else 94# define _PROF_PROLOGUE 95#endif 96 97#define ENTRY(x, regs) _ENTRY(_C_LABEL(x), regs); _PROF_PROLOGUE 98#define NENTRY(x, regs) _ENTRY(_C_LABEL(x), regs) 99#define ASENTRY(x, regs) _ENTRY(_ASM_LABEL(x), regs); _PROF_PROLOGUE 100 101#define ALTENTRY(x) .globl _C_LABEL(x); _C_LABEL(x): 102#define RCSID(x) .text; .asciz x 103 104#ifdef __ELF__ 105#define WEAK_ALIAS(alias,sym) \ 106 .weak alias; \ 107 alias = sym 108#endif 109 110#ifdef __STDC__ 111#define WARN_REFERENCES(sym,msg) \ 112 .stabs msg ## ,30,0,0,0 ; \ 113 .stabs __STRING(_C_LABEL(sym)) ## ,1,0,0,0 114#else 115#define WARN_REFERENCES(sym,msg) \ 116 .stabs msg,30,0,0,0 ; \ 117 .stabs __STRING(_C_LABEL(sym)),1,0,0,0 118#endif /* __STDC__ */ 119 120#endif /* !_VAX_ASM_H_ */ 121