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 TOC_REF(name) __CONCAT(.L,name) 84 #define TOC_ENTRY(name) \ 85 .section ".toc","aw"; \ 86 TOC_REF(name): \ 87 .tc name[TC],name 88 #endif 89 90 #ifdef __powerpc64__ 91 92 #if !defined(_CALL_ELF) || _CALL_ELF == 1 93 #define _ENTRY(name) \ 94 .section ".text"; \ 95 .p2align 2; \ 96 .globl name; \ 97 .section ".opd","aw"; \ 98 .p2align 3; \ 99 name: \ 100 .quad DOT_LABEL(name),.TOC.@tocbase,0; \ 101 .previous; \ 102 .p2align 4; \ 103 TYPE_ENTRY(name) \ 104 DOT_LABEL(name): 105 #else 106 #define _ENTRY(name) \ 107 .text; \ 108 .p2align 4; \ 109 .globl name; \ 110 .type name,@function; \ 111 name: \ 112 addis %r2, %r12, (.TOC.-name)@ha; \ 113 addi %r2, %r2, (.TOC.-name)@l; \ 114 .localentry name, .-name; 115 #endif 116 117 #define _END(name) \ 118 .long 0; \ 119 .byte 0,0,0,0,0,0,0,0; \ 120 END_SIZE(name) 121 #else /* !__powerpc64__ */ 122 #define _ENTRY(name) \ 123 .text; \ 124 .p2align 4; \ 125 .globl name; \ 126 .type name,@function; \ 127 name: 128 #define _END(name) 129 #endif /* __powerpc64__ */ 130 131 #if defined(PROF) || (defined(_KERNEL) && defined(GPROF)) 132 # ifdef __powerpc64__ 133 # define _PROF_PROLOGUE mflr 0; \ 134 std 3,48(1); \ 135 std 4,56(1); \ 136 std 5,64(1); \ 137 std 0,16(1); \ 138 stdu 1,-112(1); \ 139 bl _mcount; \ 140 nop; \ 141 ld 0,112+16(1); \ 142 ld 3,112+48(1); \ 143 ld 4,112+56(1); \ 144 ld 5,112+64(1); \ 145 mtlr 0; \ 146 addi 1,1,112 147 # else 148 # define _PROF_PROLOGUE mflr 0; stw 0,4(1); bl _mcount 149 # endif 150 #else 151 # define _PROF_PROLOGUE 152 #endif 153 154 #define ASENTRY(y) _ENTRY(ASMNAME(y)); _PROF_PROLOGUE 155 #define END(y) _END(CNAME(y)) 156 #define ENTRY(y) _ENTRY(CNAME(y)); _PROF_PROLOGUE 157 #define GLOBAL(y) _GLOBAL(CNAME(y)) 158 159 #define ASENTRY_NOPROF(y) _ENTRY(ASMNAME(y)) 160 #define ENTRY_NOPROF(y) _ENTRY(CNAME(y)) 161 162 #define ASMSTR .asciz 163 164 #define RCSID(x) .text; .asciz x 165 166 #undef __FBSDID 167 #if !defined(lint) && !defined(STRIP_FBSDID) 168 #define __FBSDID(s) .ident s 169 #else 170 #define __FBSDID(s) /* nothing */ 171 #endif /* not lint and not STRIP_FBSDID */ 172 173 #define WEAK_REFERENCE(sym, alias) \ 174 .weak alias; \ 175 .equ alias,sym 176 177 #ifdef __STDC__ 178 #define WARN_REFERENCES(_sym,_msg) \ 179 .section .gnu.warning. ## _sym ; .ascii _msg ; .text 180 #else 181 #define WARN_REFERENCES(_sym,_msg) \ 182 .section .gnu.warning./**/_sym ; .ascii _msg ; .text 183 #endif /* __STDC__ */ 184 185 #endif /* !_MACHINE_ASM_H_ */ 186