1 /* $NetBSD: asm.h,v 1.6 1994/12/15 15:26:26 mycroft Exp $ */ 2 3 /* 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Ralph Campbell. 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 * @(#)machAsmDefs.h 8.1 (Berkeley) 6/10/93 39 */ 40 41 /* 42 * machAsmDefs.h -- 43 * 44 * Macros used when writing assembler programs. 45 * 46 * Copyright (C) 1989 Digital Equipment Corporation. 47 * Permission to use, copy, modify, and distribute this software and 48 * its documentation for any purpose and without fee is hereby granted, 49 * provided that the above copyright notice appears in all copies. 50 * Digital Equipment Corporation makes no representations about the 51 * suitability of this software for any purpose. It is provided "as is" 52 * without express or implied warranty. 53 * 54 * from: Header: /sprite/src/kernel/mach/ds3100.md/RCS/machAsmDefs.h, 55 * v 1.2 89/08/15 18:28:24 rab Exp SPRITE (DECWRL) 56 */ 57 58 #ifndef _MACHASMDEFS 59 #define _MACHASMDEFS 60 61 #include <machine/regdef.h> 62 63 /* 64 * Define -pg profile entry code. 65 */ 66 #if defined(GPROF) || defined(PROF) 67 #define MCOUNT .set noreorder; \ 68 .set noat; \ 69 move $1,$31; \ 70 jal _mcount; \ 71 subu sp,sp,8; \ 72 .set reorder; \ 73 .set at; 74 #else 75 #define MCOUNT 76 #endif 77 78 #ifdef NO_UNDERSCORES 79 # define _C_LABEL(x) x 80 #else 81 # ifdef __STDC__ 82 # define _C_LABEL(x) _ ## x 83 # else 84 # define _C_LABEL(x) _/**/x 85 # endif 86 #endif 87 88 /* 89 * LEAF(x) 90 * 91 * Declare a leaf routine. 92 */ 93 #define LEAF(x) \ 94 .globl _C_LABEL(x); \ 95 .ent _C_LABEL(x), 0; \ 96 _C_LABEL(x): ; \ 97 .frame sp, 0, ra; \ 98 MCOUNT 99 100 /* 101 * NLEAF(x) 102 * 103 * Declare a non-profiled leaf routine. 104 */ 105 #define NLEAF(x) \ 106 .globl _C_LABEL(x); \ 107 .ent _C_LABEL(x), 0; \ 108 _C_LABEL(x): ; \ 109 .frame sp, 0, ra 110 111 /* 112 * ALEAF -- declare alternate entry to a leaf routine. 113 */ 114 #define ALEAF(x) \ 115 .globl _C_LABEL(x); \ 116 .aent _C_LABEL(x),0; \ 117 _C_LABEL(x): 118 119 /* 120 * NON_LEAF(x) 121 * 122 * Declare a non-leaf routine (a routine that makes other C calls). 123 */ 124 #define NON_LEAF(x, fsize, retpc) \ 125 .globl _C_LABEL(x); \ 126 .ent _C_LABEL(x), 0; \ 127 _C_LABEL(x): ; \ 128 .frame sp, fsize, retpc; \ 129 MCOUNT 130 131 /* 132 * NNON_LEAF(x) 133 * 134 * Declare a non-profiled non-leaf routine 135 * (a routine that makes other C calls). 136 */ 137 #define NNON_LEAF(x, fsize, retpc) \ 138 .globl _C_LABEL(x); \ 139 .ent _C_LABEL(x), 0; \ 140 _C_LABEL(x): ; \ 141 .frame sp, fsize, retpc 142 143 /* 144 * END(x) 145 * 146 * Mark end of a procedure. 147 */ 148 #define END(x) \ 149 .end _C_LABEL(x) 150 151 #define STAND_FRAME_SIZE 24 152 #define STAND_RA_OFFSET 20 153 154 /* 155 * Macros to panic and printf from assembly language. 156 */ 157 #define PANIC(msg) \ 158 la a0, 9f; \ 159 jal _C_LABEL(panic); \ 160 MSG(msg) 161 162 #define PRINTF(msg) \ 163 la a0, 9f; \ 164 jal _C_LABEL(printf); \ 165 MSG(msg) 166 167 #define MSG(msg) \ 168 .rdata; \ 169 9: .asciiz msg; \ 170 .text 171 172 #define ASMSTR(str) \ 173 .asciiz str; \ 174 .align 2 175 176 #endif /* _MACHASMDEFS */ 177