1 /* $NetBSD: asm.h,v 1.4 2001/07/16 05:43:32 matt Exp $ */ 2 3 /* 4 * Copyright (c) 1990 The Regents of the University of California. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * William Jolitz. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * from: @(#)asm.h 5.5 (Berkeley) 5/7/91 39 */ 40 41 #ifndef _ARM32_ASM_H_ 42 #define _ARM32_ASM_H_ 43 44 #ifdef __ELF__ 45 # define _C_LABEL(x) x 46 #else 47 # ifdef __STDC__ 48 # define _C_LABEL(x) _ ## x 49 # else 50 # define _C_LABEL(x) _/**/x 51 # endif 52 #endif 53 #define _ASM_LABEL(x) x 54 55 #ifdef __STDC__ 56 # define __CONCAT(x,y) x ## y 57 # define __STRING(x) #x 58 #else 59 # define __CONCAT(x,y) x/**/y 60 # define __STRING(x) "x" 61 #endif 62 63 #ifndef _ALIGN_TEXT 64 # define _ALIGN_TEXT .align 0 65 #endif 66 67 /* 68 * gas/arm uses @ as a single comment character and thus cannot be used here 69 * Instead it recognised the # instead of an @ symbols in .type directives 70 * We define a couple of macros so that assembly code will not be dependant 71 * on one or the other. 72 */ 73 #define _ASM_TYPE_FUNCTION #function 74 #define _ASM_TYPE_OBJECT #object 75 #define _ENTRY(x) \ 76 .text; _ALIGN_TEXT; .globl x; .type x,_ASM_TYPE_FUNCTION; x: 77 78 #ifdef GPROF 79 # ifdef __ELF__ 80 # define _PROF_PROLOGUE \ 81 mov ip, lr; bl __mcount 82 # else 83 # define _PROF_PROLOGUE \ 84 mov ip,lr; bl mcount 85 # endif 86 #else 87 # define _PROF_PROLOGUE 88 #endif 89 90 #define ENTRY(y) _ENTRY(_C_LABEL(y)); _PROF_PROLOGUE 91 #define ENTRY_NP(y) _ENTRY(_C_LABEL(y)) 92 #define ASENTRY(y) _ENTRY(_ASM_LABEL(y)); _PROF_PROLOGUE 93 #define ASENTRY_NP(y) _ENTRY(_ASM_LABEL(y)) 94 95 #define ASMSTR .asciz 96 97 #if defined(__ELF__) && defined(PIC) 98 #ifdef __STDC__ 99 #define PIC_SYM(x,y) x ## ( ## y ## ) 100 #else 101 #define PIC_SYM(x,y) x/**/(/**/y/**/) 102 #endif 103 #else 104 #define PIC_SYM(x,y) x 105 #endif 106 107 #ifdef __ELF__ 108 #define RCSID(x) .section ".ident"; .asciz x 109 #else 110 #define RCSID(x) .text; .asciz x 111 #endif 112 113 #ifdef __ELF__ 114 #define WEAK_ALIAS(alias,sym) \ 115 .weak alias; \ 116 alias = sym 117 #endif 118 119 #ifdef __STDC__ 120 #define WARN_REFERENCES(sym,msg) \ 121 .stabs msg ## ,30,0,0,0 ; \ 122 .stabs __STRING(_C_LABEL(sym)) ## ,1,0,0,0 123 #elif defined(__ELF__) 124 #define WARN_REFERENCES(sym,msg) \ 125 .stabs msg,30,0,0,0 ; \ 126 .stabs __STRING(sym),1,0,0,0 127 #else 128 #define WARN_REFERENCES(sym,msg) \ 129 .stabs msg,30,0,0,0 ; \ 130 .stabs __STRING(_/**/sym),1,0,0,0 131 #endif /* __STDC__ */ 132 133 #endif /* !_ARM_ASM_H_ */ 134