1/* $OpenBSD: asm.h,v 1.1 2004/02/01 05:09:49 drahn 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 _ARM32_ASM_H_ 39#define _ARM32_ASM_H_ 40 41#ifdef __ELF__ 42# define _C_LABEL(x) x 43#else 44# ifdef __STDC__ 45# define _C_LABEL(x) _ ## x 46# else 47# define _C_LABEL(x) _/**/x 48# endif 49#endif 50#define _ASM_LABEL(x) x 51 52#ifdef __STDC__ 53# define __CONCAT(x,y) x ## y 54# define __STRING(x) #x 55#else 56# define __CONCAT(x,y) x/**/y 57# define __STRING(x) "x" 58#endif 59 60#ifndef _ALIGN_TEXT 61# define _ALIGN_TEXT .align 0 62#endif 63 64/* 65 * gas/arm uses @ as a single comment character and thus cannot be used here 66 * Instead it recognised the # instead of an @ symbols in .type directives 67 * We define a couple of macros so that assembly code will not be dependant 68 * on one or the other. 69 */ 70#define _ASM_TYPE_FUNCTION #function 71#define _ASM_TYPE_OBJECT #object 72#define _ENTRY(x) \ 73 .text; _ALIGN_TEXT; .globl x; .type x,_ASM_TYPE_FUNCTION; x: .fnstart 74 75#define _ASM_SIZE(x) .size x, .-x; 76 77#define _END(x) \ 78 .fnend; \ 79 _ASM_SIZE(x) 80 81#ifdef GPROF 82# ifdef __ELF__ 83# define _PROF_PROLOGUE \ 84 mov ip, lr; bl __mcount 85# else 86# define _PROF_PROLOGUE \ 87 mov ip,lr; bl mcount 88# endif 89#else 90# define _PROF_PROLOGUE 91#endif 92 93#define ENTRY(y) _ENTRY(_C_LABEL(y)); _PROF_PROLOGUE 94#define ENTRY_NP(y) _ENTRY(_C_LABEL(y)) 95#define END(y) _END(_C_LABEL(y)) 96#define ASENTRY(y) _ENTRY(_ASM_LABEL(y)); _PROF_PROLOGUE 97#define ASENTRY_NP(y) _ENTRY(_ASM_LABEL(y)) 98#define ASEND(y) _END(_ASM_LABEL(y)) 99 100#ifdef __ELF__ 101#define ENTRY_PRIVATE(y) ENTRY(y); .hidden _C_LABEL(y) 102#else 103#define ENTRY_PRIVATE(y) ENTRY(y) 104#endif 105 106#define ASMSTR .asciz 107 108#if defined(__ELF__) && defined(PIC) 109#ifdef __STDC__ 110#define PIC_SYM(x,y) x ## ( ## y ## ) 111#else 112#define PIC_SYM(x,y) x/**/(/**/y/**/) 113#endif 114#else 115#define PIC_SYM(x,y) x 116#endif 117 118#ifdef __ELF__ 119#define RCSID(x) .section ".ident"; .asciz x 120#else 121#define RCSID(x) .text; .asciz x 122#endif 123 124#ifdef __ELF__ 125#define WEAK_ALIAS(alias,sym) \ 126 .weak alias; \ 127 alias = sym 128#endif 129 130#ifdef __STDC__ 131#define WARN_REFERENCES(sym,msg) \ 132 .stabs msg ## ,30,0,0,0 ; \ 133 .stabs __STRING(_C_LABEL(sym)) ## ,1,0,0,0 134#elif defined(__ELF__) 135#define WARN_REFERENCES(sym,msg) \ 136 .stabs msg,30,0,0,0 ; \ 137 .stabs __STRING(sym),1,0,0,0 138#else 139#define WARN_REFERENCES(sym,msg) \ 140 .stabs msg,30,0,0,0 ; \ 141 .stabs __STRING(_/**/sym),1,0,0,0 142#endif /* __STDC__ */ 143 144#endif /* !_ARM_ASM_H_ */ 145