1 /* $NetBSD: asm.h,v 1.8 2001/06/13 06:01:48 simonb Exp $ */ 2 3 /* 4 * Copyright (C) 1995, 1996 Wolfgang Solfrank. 5 * Copyright (C) 1995, 1996 TooLs GmbH. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by TooLs GmbH. 19 * 4. The name of TooLs GmbH may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 27 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 28 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 30 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 31 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #ifndef _PPC_ASM_H_ 35 #define _PPC_ASM_H_ 36 37 #ifdef PIC 38 #define PIC_PROLOGUE XXX 39 #define PIC_EPILOGUE XXX 40 #define PIC_PLT(x) x@plt 41 #ifdef __STDC__ 42 #define PIC_GOT(x) XXX 43 #define PIC_GOTOFF(x) XXX 44 #else /* not __STDC__ */ 45 #define PIC_GOT(x) XXX 46 #define PIC_GOTOFF(x) XXX 47 #endif /* __STDC__ */ 48 #else 49 #define PIC_PROLOGUE 50 #define PIC_EPILOGUE 51 #define PIC_PLT(x) x 52 #define PIC_GOT(x) x 53 #define PIC_GOTOFF(x) x 54 #endif 55 56 #define _C_LABEL(x) x 57 #define _ASM_LABEL(x) x 58 59 #define _GLOBAL(x) \ 60 .data; .align 2; .globl x; x: 61 62 #define _ENTRY(x) \ 63 .text; .align 2; .globl x; .type x,@function; x: 64 65 #ifdef GPROF 66 # define _PROF_PROLOGUE mflr 0; stw 0,4(1); bl _mcount 67 #else 68 # define _PROF_PROLOGUE 69 #endif 70 71 #define ENTRY(y) _ENTRY(_C_LABEL(y)); _PROF_PROLOGUE 72 #define ASENTRY(y) _ENTRY(_ASM_LABEL(y)); _PROF_PROLOGUE 73 #define GLOBAL(y) _GLOBAL(_C_LABEL(y)) 74 75 #define ASMSTR .asciz 76 77 #define RCSID(x) .text; .asciz x 78 79 #ifdef __ELF__ 80 #define WEAK_ALIAS(alias,sym) \ 81 .weak alias; \ 82 alias = sym 83 #endif 84 85 #ifdef __STDC__ 86 #define WARN_REFERENCES(_sym,_msg) \ 87 .section .gnu.warning. ## _sym ; .ascii _msg ; .text 88 #else 89 #define WARN_REFERENCES(_sym,_msg) \ 90 .section .gnu.warning./**/_sym ; .ascii _msg ; .text 91 #endif /* __STDC__ */ 92 93 /* Condition Register Bit Fields */ 94 95 #define cr0 0 96 #define cr1 1 97 #define cr2 2 98 #define cr3 3 99 #define cr4 4 100 #define cr5 5 101 #define cr6 6 102 #define cr7 7 103 104 /* General Purpose Registers (GPRs) */ 105 106 #define r0 0 107 #define r1 1 108 #define r2 2 109 #define r3 3 110 #define r4 4 111 #define r5 5 112 #define r6 6 113 #define r7 7 114 #define r8 8 115 #define r9 9 116 #define r10 10 117 #define r11 11 118 #define r12 12 119 #define r13 13 120 #define r14 14 121 #define r15 15 122 #define r16 16 123 #define r17 17 124 #define r18 18 125 #define r19 19 126 #define r20 20 127 #define r21 21 128 #define r22 22 129 #define r23 23 130 #define r24 24 131 #define r25 25 132 #define r26 26 133 #define r27 27 134 #define r28 28 135 #define r29 29 136 #define r30 30 137 #define r31 31 138 139 /* Floating Point Registers (FPRs) */ 140 141 #define fr0 0 142 #define fr1 1 143 #define fr2 2 144 #define fr3 3 145 #define fr4 4 146 #define fr5 5 147 #define fr6 6 148 #define fr7 7 149 #define fr8 8 150 #define fr9 9 151 #define fr10 10 152 #define fr11 11 153 #define fr12 12 154 #define fr13 13 155 #define fr14 14 156 #define fr15 15 157 #define fr16 16 158 #define fr17 17 159 #define fr18 18 160 #define fr19 19 161 #define fr20 20 162 #define fr21 21 163 #define fr22 22 164 #define fr23 23 165 #define fr24 24 166 #define fr25 25 167 #define fr26 26 168 #define fr27 27 169 #define fr28 28 170 #define fr29 29 171 #define fr30 30 172 #define fr31 31 173 174 #endif /* !_PPC_ASM_H_ */ 175