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: releng/10.3/sys/powerpc/include/asm.h 232488 2012-03-04 11:55:28Z andreast $ 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) \ 94DOT_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