1/* $OpenBSD: asm.h,v 1.13 2022/12/08 01:25:44 guenther Exp $ */ 2/* $NetBSD: asm.h,v 1.4 2001/07/16 05:43:32 matt Exp $ */ 3 4/* 5 * Copyright (c) 1990 The Regents of the University of California. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * William Jolitz. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * from: @(#)asm.h 5.5 (Berkeley) 5/7/91 36 */ 37 38#ifndef _ARM_ASM_H_ 39#define _ARM_ASM_H_ 40 41#define _C_LABEL(x) x 42#define _ASM_LABEL(x) x 43 44#ifdef __STDC__ 45# define __CONCAT(x,y) x ## y 46# define __STRING(x) #x 47#else 48# define __CONCAT(x,y) x/**/y 49# define __STRING(x) "x" 50#endif 51 52#ifndef _ALIGN_TEXT 53# define _ALIGN_TEXT .align 2 54#endif 55 56/* 57 * gas/arm uses @ as a single comment character and thus cannot be used here 58 * Instead it recognised the # instead of an @ symbols in .type directives 59 * We define a couple of macros so that assembly code will not be dependant 60 * on one or the other. 61 */ 62#define _ASM_TYPE_FUNCTION #function 63#define _ASM_TYPE_OBJECT #object 64 65/* NB == No Binding: use .globl or .weak as necessary */ 66#define _ENTRY_NB(x) \ 67 .text; _ALIGN_TEXT; .type x,_ASM_TYPE_FUNCTION; x: 68#define _ENTRY(x) .globl x; _ENTRY_NB(x) 69 70#if defined(PROF) || defined(GPROF) 71# define _PROF_PROLOGUE \ 72 mov ip, lr; bl __mcount 73#else 74# define _PROF_PROLOGUE 75#endif 76 77#define ENTRY(y) _ENTRY(y); _PROF_PROLOGUE 78#define ENTRY_NP(y) _ENTRY(y) 79#define ENTRY_NB(y) _ENTRY_NB(y); _PROF_PROLOGUE 80#define ASENTRY(y) _ENTRY(y); _PROF_PROLOGUE 81#define ASENTRY_NP(y) _ENTRY(y) 82#define END(y) .size y, . - y 83 84#if defined(__PIC__) 85#define PIC_SYM(x,y) x(y) 86#else 87#define PIC_SYM(x,y) x 88#endif 89 90#define STRONG_ALIAS(alias,sym) \ 91 .global alias; \ 92 alias = sym 93#define WEAK_ALIAS(alias,sym) \ 94 .weak alias; \ 95 alias = sym 96 97#endif /* !_ARM_ASM_H_ */ 98