1 /*- 2 * Copyright (C) 1995, 1996 Wolfgang Solfrank. 3 * Copyright (C) 1995, 1996 TooLs GmbH. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by TooLs GmbH. 17 * 4. The name of TooLs GmbH may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 * 31 * $NetBSD: asm.h,v 1.6.18.1 2000/07/25 08:37:14 kleink Exp $ 32 * $FreeBSD$ 33 */ 34 35 #ifndef _MACHINE_ASM_H_ 36 #define _MACHINE_ASM_H_ 37 38 #include <sys/cdefs.h> 39 40 #if defined(PIC) && !defined(__powerpc64__) 41 #define PIC_PROLOGUE XXX 42 #define PIC_EPILOGUE XXX 43 #define PIC_PLT(x) x@plt 44 #ifdef __STDC__ 45 #define PIC_GOT(x) XXX 46 #else /* not __STDC__ */ 47 #define PIC_GOT(x) XXX 48 #endif /* __STDC__ */ 49 #else 50 #define PIC_PROLOGUE 51 #define PIC_EPILOGUE 52 #define PIC_PLT(x) x 53 #define PIC_GOT(x) x 54 #endif 55 56 #define CNAME(csym) csym 57 #define ASMNAME(asmsym) asmsym 58 #ifdef __powerpc64__ 59 #define HIDENAME(asmsym) __CONCAT(_,asmsym) 60 #else 61 #define HIDENAME(asmsym) __CONCAT(.,asmsym) 62 #endif 63 64 #ifdef _KERNEL 65 #define DOT_LABEL(name) __CONCAT(.,name) 66 #define TYPE_ENTRY(name) .size name,24; \ 67 .type DOT_LABEL(name),@function; \ 68 .globl DOT_LABEL(name); 69 #define END_SIZE(name) .size DOT_LABEL(name),.-DOT_LABEL(name); 70 #else /* !_KERNEL */ 71 #define DOT_LABEL(name) __CONCAT(.L.,name) 72 #define TYPE_ENTRY(name) .type name,@function; 73 #define END_SIZE(name) .size name,.-DOT_LABEL(name); 74 #endif /* _KERNEL */ 75 76 #define _GLOBAL(name) \ 77 .data; \ 78 .p2align 2; \ 79 .globl name; \ 80 name: 81 82 #ifdef __powerpc64__ 83 #define _ENTRY(name) \ 84 .section ".text"; \ 85 .p2align 2; \ 86 .globl name; \ 87 .section ".opd","aw"; \ 88 .p2align 3; \ 89 name: \ 90 .quad DOT_LABEL(name),.TOC.@tocbase,0; \ 91 .previous; \ 92 .p2align 4; \ 93 TYPE_ENTRY(name) \ 94 DOT_LABEL(name): 95 96 #define _END(name) \ 97 .long 0; \ 98 .byte 0,0,0,0,0,0,0,0; \ 99 END_SIZE(name) 100 #else /* !__powerpc64__ */ 101 #define _ENTRY(name) \ 102 .text; \ 103 .p2align 4; \ 104 .globl name; \ 105 .type name,@function; \ 106 name: 107 #define _END(name) 108 #endif /* __powerpc64__ */ 109 110 #if defined(PROF) || (defined(_KERNEL) && defined(GPROF)) 111 # ifdef __powerpc64__ 112 # define _PROF_PROLOGUE mflr 0; \ 113 std 3,48(1); \ 114 std 4,56(1); \ 115 std 5,64(1); \ 116 std 0,16(1); \ 117 stdu 1,-112(1); \ 118 bl _mcount; \ 119 nop; \ 120 ld 0,112+16(1); \ 121 ld 3,112+48(1); \ 122 ld 4,112+56(1); \ 123 ld 5,112+64(1); \ 124 mtlr 0; \ 125 addi 1,1,112 126 # else 127 # define _PROF_PROLOGUE mflr 0; stw 0,4(1); bl _mcount 128 # endif 129 #else 130 # define _PROF_PROLOGUE 131 #endif 132 133 #define ASENTRY(y) _ENTRY(ASMNAME(y)); _PROF_PROLOGUE 134 #define END(y) _END(CNAME(y)) 135 #define ENTRY(y) _ENTRY(CNAME(y)); _PROF_PROLOGUE 136 #define GLOBAL(y) _GLOBAL(CNAME(y)) 137 138 #define ASENTRY_NOPROF(y) _ENTRY(ASMNAME(y)) 139 #define ENTRY_NOPROF(y) _ENTRY(CNAME(y)) 140 141 #define ASMSTR .asciz 142 143 #define RCSID(x) .text; .asciz x 144 145 #undef __FBSDID 146 #if !defined(lint) && !defined(STRIP_FBSDID) 147 #define __FBSDID(s) .ident s 148 #else 149 #define __FBSDID(s) /* nothing */ 150 #endif /* not lint and not STRIP_FBSDID */ 151 152 #define WEAK_REFERENCE(sym, alias) \ 153 .weak alias; \ 154 .equ alias,sym 155 156 #ifdef __STDC__ 157 #define WARN_REFERENCES(_sym,_msg) \ 158 .section .gnu.warning. ## _sym ; .ascii _msg ; .text 159 #else 160 #define WARN_REFERENCES(_sym,_msg) \ 161 .section .gnu.warning./**/_sym ; .ascii _msg ; .text 162 #endif /* __STDC__ */ 163 164 #endif /* !_MACHINE_ASM_H_ */ 165