1 /* $OpenBSD: asm.h,v 1.6 2016/05/27 16:32:38 deraadt 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 0 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 #define _ENTRY(x) \ 65 .text; _ALIGN_TEXT; .globl x; .type x,_ASM_TYPE_FUNCTION; x: 66 67 #ifdef GPROF 68 # define _PROF_PROLOGUE \ 69 mov ip, lr; bl __mcount 70 #else 71 # define _PROF_PROLOGUE 72 #endif 73 74 #define ENTRY(y) _ENTRY(_C_LABEL(y)); _PROF_PROLOGUE 75 #define ENTRY_NP(y) _ENTRY(_C_LABEL(y)) 76 #define ASENTRY(y) _ENTRY(_ASM_LABEL(y)); _PROF_PROLOGUE 77 #define ASENTRY_NP(y) _ENTRY(_ASM_LABEL(y)) 78 #define END(y) .size y, . - y 79 80 #define ASMSTR .asciz 81 82 #if defined(__PIC__) 83 #ifdef __STDC__ 84 #define PIC_SYM(x,y) x ## ( ## y ## ) 85 #else 86 #define PIC_SYM(x,y) x/**/(/**/y/**/) 87 #endif 88 #else 89 #define PIC_SYM(x,y) x 90 #endif 91 92 #define RCSID(x) .section ".ident"; .asciz x 93 94 #define STRONG_ALIAS(alias,sym) \ 95 .global alias; \ 96 alias = sym 97 #define WEAK_ALIAS(alias,sym) \ 98 .weak alias; \ 99 alias = sym 100 101 #ifdef __STDC__ 102 #define WARN_REFERENCES(sym,msg) \ 103 .stabs msg ## ,30,0,0,0 ; \ 104 .stabs __STRING(_C_LABEL(sym)) ## ,1,0,0,0 105 #else 106 #define WARN_REFERENCES(sym,msg) \ 107 .stabs msg,30,0,0,0 ; \ 108 .stabs __STRING(_/**/sym),1,0,0,0 109 #endif /* __STDC__ */ 110 111 #endif /* !_ARM_ASM_H_ */ 112