1 /* $NetBSD: asm.h,v 1.10 2002/04/28 17:10:33 uch 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 * @(#)asm.h 5.5 (Berkeley) 5/7/91 39 */ 40 41 #ifndef _SH3_ASM_H_ 42 #define _SH3_ASM_H_ 43 44 #define PIC_PROLOGUE 45 #define PIC_EPILOGUE 46 #define PIC_PLT(x) x 47 #define PIC_GOT(x) x 48 #define PIC_GOTOFF(x) x 49 50 /* 51 * The old NetBSD/sh3 ELF toolchain used underscores. The new 52 * NetBSD/sh3 ELF toolchain does not. The C pre-processor 53 * defines __NO_LEADING_UNDERSCORES__ for the new ELF toolchain. 54 */ 55 56 #if (defined(__ELF__) && defined(__NO_LEADING_UNDERSCORES__)) 57 # define _C_LABEL(x) x 58 #else 59 #ifdef __STDC__ 60 # define _C_LABEL(x) _ ## x 61 #else 62 # define _C_LABEL(x) _/**/x 63 #endif 64 #endif 65 #define _ASM_LABEL(x) x 66 67 /* let kernels and others override entrypoint alignment */ 68 #ifndef _ALIGN_TEXT 69 # define _ALIGN_TEXT .align 2 70 #endif 71 72 #ifdef __ELF__ 73 #define _ENTRY(x) \ 74 .text ;\ 75 _ALIGN_TEXT ;\ 76 .globl x ;\ 77 .type x,@function ;\ 78 x: 79 #else /* __ELF__ */ 80 #define _ENTRY(x) \ 81 .text ;\ 82 _ALIGN_TEXT ;\ 83 .globl x ;\ 84 x: 85 #endif /* __ELF__ */ 86 87 #define _PROF_PROLOGUE 88 89 #define ENTRY(y) _ENTRY(_C_LABEL(y)) ;\ 90 _PROF_PROLOGUE 91 #define NENTRY(y) _ENTRY(_C_LABEL(y)) 92 #define ASENTRY(y) _ENTRY(_ASM_LABEL(y)) ;\ 93 _PROF_PROLOGUE 94 95 #ifdef __ELF__ 96 #define ALTENTRY(name) .globl _C_LABEL(name) ;\ 97 .type _C_LABEL(name),@function ;\ 98 _C_LABEL(name): 99 #else 100 #define ALTENTRY(name) .globl _C_LABEL(name) ;\ 101 _C_LABEL(name): 102 #endif 103 104 #define ASMSTR .asciz 105 106 #define RCSID(x) .text; .asciz x 107 108 #ifdef __ELF__ 109 #define WEAK_ALIAS(alias,sym) \ 110 .weak _C_LABEL(alias); \ 111 _C_LABEL(alias) = _C_LABEL(sym) 112 #endif 113 114 #ifdef __STDC__ 115 #define __STRING(x) #x 116 #define WARN_REFERENCES(sym, msg) 117 #else 118 #define __STRING(x) "x" 119 #define WARN_REFERENCES(sym, msg) 120 #endif /* __STDC__ */ 121 122 #endif /* !_SH3_ASM_H_ */ 123