1*81621933Sguenther /* $OpenBSD: asm.h,v 1.13 2022/12/08 01:25:44 guenther Exp $ */ 2e1e4f5b1Sdrahn /* $NetBSD: asm.h,v 1.4 2001/07/16 05:43:32 matt Exp $ */ 3e1e4f5b1Sdrahn 4e1e4f5b1Sdrahn /* 5e1e4f5b1Sdrahn * Copyright (c) 1990 The Regents of the University of California. 6e1e4f5b1Sdrahn * All rights reserved. 7e1e4f5b1Sdrahn * 8e1e4f5b1Sdrahn * This code is derived from software contributed to Berkeley by 9e1e4f5b1Sdrahn * William Jolitz. 10e1e4f5b1Sdrahn * 11e1e4f5b1Sdrahn * Redistribution and use in source and binary forms, with or without 12e1e4f5b1Sdrahn * modification, are permitted provided that the following conditions 13e1e4f5b1Sdrahn * are met: 14e1e4f5b1Sdrahn * 1. Redistributions of source code must retain the above copyright 15e1e4f5b1Sdrahn * notice, this list of conditions and the following disclaimer. 16e1e4f5b1Sdrahn * 2. Redistributions in binary form must reproduce the above copyright 17e1e4f5b1Sdrahn * notice, this list of conditions and the following disclaimer in the 18e1e4f5b1Sdrahn * documentation and/or other materials provided with the distribution. 19e1e4f5b1Sdrahn * 3. Neither the name of the University nor the names of its contributors 20e1e4f5b1Sdrahn * may be used to endorse or promote products derived from this software 21e1e4f5b1Sdrahn * without specific prior written permission. 22e1e4f5b1Sdrahn * 23e1e4f5b1Sdrahn * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24e1e4f5b1Sdrahn * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25e1e4f5b1Sdrahn * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26e1e4f5b1Sdrahn * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27e1e4f5b1Sdrahn * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28e1e4f5b1Sdrahn * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29e1e4f5b1Sdrahn * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30e1e4f5b1Sdrahn * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31e1e4f5b1Sdrahn * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32e1e4f5b1Sdrahn * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33e1e4f5b1Sdrahn * SUCH DAMAGE. 34e1e4f5b1Sdrahn * 35e1e4f5b1Sdrahn * from: @(#)asm.h 5.5 (Berkeley) 5/7/91 36e1e4f5b1Sdrahn */ 37e1e4f5b1Sdrahn 382fa72412Spirofti #ifndef _ARM_ASM_H_ 392fa72412Spirofti #define _ARM_ASM_H_ 40e1e4f5b1Sdrahn 41e1e4f5b1Sdrahn #define _C_LABEL(x) x 42e1e4f5b1Sdrahn #define _ASM_LABEL(x) x 43e1e4f5b1Sdrahn 44e1e4f5b1Sdrahn #ifdef __STDC__ 45e1e4f5b1Sdrahn # define __CONCAT(x,y) x ## y 46e1e4f5b1Sdrahn # define __STRING(x) #x 47e1e4f5b1Sdrahn #else 48e1e4f5b1Sdrahn # define __CONCAT(x,y) x/**/y 49e1e4f5b1Sdrahn # define __STRING(x) "x" 50e1e4f5b1Sdrahn #endif 51e1e4f5b1Sdrahn 52e1e4f5b1Sdrahn #ifndef _ALIGN_TEXT 53e1753c98Skettenis # define _ALIGN_TEXT .align 2 54e1e4f5b1Sdrahn #endif 55e1e4f5b1Sdrahn 56e1e4f5b1Sdrahn /* 57e1e4f5b1Sdrahn * gas/arm uses @ as a single comment character and thus cannot be used here 58e1e4f5b1Sdrahn * Instead it recognised the # instead of an @ symbols in .type directives 59e1e4f5b1Sdrahn * We define a couple of macros so that assembly code will not be dependant 60e1e4f5b1Sdrahn * on one or the other. 61e1e4f5b1Sdrahn */ 62e1e4f5b1Sdrahn #define _ASM_TYPE_FUNCTION #function 63e1e4f5b1Sdrahn #define _ASM_TYPE_OBJECT #object 6442d2c245Sguenther 6542d2c245Sguenther /* NB == No Binding: use .globl or .weak as necessary */ 6642d2c245Sguenther #define _ENTRY_NB(x) \ 6742d2c245Sguenther .text; _ALIGN_TEXT; .type x,_ASM_TYPE_FUNCTION; x: 6842d2c245Sguenther #define _ENTRY(x) .globl x; _ENTRY_NB(x) 69e1e4f5b1Sdrahn 70f5d1667bSmpi #if defined(PROF) || defined(GPROF) 71e1e4f5b1Sdrahn # define _PROF_PROLOGUE \ 72e1e4f5b1Sdrahn mov ip, lr; bl __mcount 73e1e4f5b1Sdrahn #else 74e1e4f5b1Sdrahn # define _PROF_PROLOGUE 75e1e4f5b1Sdrahn #endif 76e1e4f5b1Sdrahn 77*81621933Sguenther #define ENTRY(y) _ENTRY(y); _PROF_PROLOGUE 78*81621933Sguenther #define ENTRY_NP(y) _ENTRY(y) 7942d2c245Sguenther #define ENTRY_NB(y) _ENTRY_NB(y); _PROF_PROLOGUE 80*81621933Sguenther #define ASENTRY(y) _ENTRY(y); _PROF_PROLOGUE 81*81621933Sguenther #define ASENTRY_NP(y) _ENTRY(y) 82f2d3668aSguenther #define END(y) .size y, . - y 83e1e4f5b1Sdrahn 84a5cc6a2bSderaadt #if defined(__PIC__) 85fb956c4cSguenther #define PIC_SYM(x,y) x(y) 86e1e4f5b1Sdrahn #else 87e1e4f5b1Sdrahn #define PIC_SYM(x,y) x 88e1e4f5b1Sdrahn #endif 89e1e4f5b1Sdrahn 905a25e2caSmartynas #define STRONG_ALIAS(alias,sym) \ 915a25e2caSmartynas .global alias; \ 925a25e2caSmartynas alias = sym 93e1e4f5b1Sdrahn #define WEAK_ALIAS(alias,sym) \ 94e1e4f5b1Sdrahn .weak alias; \ 95e1e4f5b1Sdrahn alias = sym 96e1e4f5b1Sdrahn 97e1e4f5b1Sdrahn #endif /* !_ARM_ASM_H_ */ 98