1 /* $NetBSD: asm.h,v 1.8 2001/12/16 18:11:12 thorpej 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 45 #define PIC_PROLOGUE 46 #define PIC_EPILOGUE 47 #define PIC_PLT(x) x 48 #define PIC_GOT(x) x 49 #define PIC_GOTOFF(x) x 50 51 /* 52 * The old NetBSD/sh3 ELF toolchain used underscores. The new 53 * NetBSD/sh3 ELF toolchain does not. The C pre-processor 54 * defines __NO_LEADING_UNDERSCORES__ for the new ELF toolchain. 55 */ 56 57 #if (defined(__ELF__) && defined(__NO_LEADING_UNDERSCORES__)) 58 # define _C_LABEL(x) x 59 #else 60 #ifdef __STDC__ 61 # define _C_LABEL(x) _ ## x 62 #else 63 # define _C_LABEL(x) _/**/x 64 #endif 65 #endif 66 #define _ASM_LABEL(x) x 67 68 /* let kernels and others override entrypoint alignment */ 69 #ifndef _ALIGN_TEXT 70 # define _ALIGN_TEXT .align 2 71 #endif 72 73 #ifdef __ELF__ 74 #define _ENTRY(x) \ 75 .text ;\ 76 _ALIGN_TEXT; \ 77 .globl x; \ 78 .type x,@function; \ 79 x: 80 #else 81 #define _ENTRY(x) \ 82 .text ;\ 83 _ALIGN_TEXT; \ 84 .globl x; \ 85 x: 86 #endif 87 88 # define _PROF_PROLOGUE 89 90 #define ENTRY(y) _ENTRY(_C_LABEL(y)); \ 91 _PROF_PROLOGUE 92 #define NENTRY(y) _ENTRY(_C_LABEL(y)) 93 #define ASENTRY(y) _ENTRY(_ASM_LABEL(y));\ 94 _PROF_PROLOGUE 95 96 #ifdef __ELF__ 97 #define ALTENTRY(name) .globl _C_LABEL(name); \ 98 .type _C_LABEL(name),@function; \ 99 _C_LABEL(name): 100 #else 101 #define ALTENTRY(name) .globl _C_LABEL(name); \ 102 _C_LABEL(name): 103 #endif 104 105 #define ASMSTR .asciz 106 107 #define RCSID(x) .text; .asciz x 108 109 #ifdef __ELF__ 110 #define WEAK_ALIAS(alias,sym) \ 111 .weak _C_LABEL(alias); \ 112 _C_LABEL(alias) = _C_LABEL(sym) 113 #endif 114 115 #ifdef __STDC__ 116 #define __STRING(x) #x 117 #define WARN_REFERENCES(sym, msg) 118 #else 119 #define __STRING(x) "x" 120 #define WARN_REFERENCES(sym, msg) 121 #endif /* __STDC__ */ 122 123 #endif /* !_SH3_ASM_H_ */ 124