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 #define _GLOBAL(x) \ 65 .data; .align 2; .globl x; x: 66 67 #ifdef __powerpc64__ 68 #define _ENTRY(x) \ 69 .text; .align 2; .globl x; .section ".opd","aw"; \ 70 .align 3; x: \ 71 .quad .L.x,.TOC.@tocbase,0; .size x,24; .previous; \ 72 .align 4; .type x,@function; .L.x: 73 #else 74 #define _ENTRY(x) \ 75 .text; .align 4; .globl x; .type x,@function; x: 76 #endif 77 78 #if defined(PROF) || (defined(_KERNEL) && defined(GPROF)) 79 # ifdef __powerpc64__ 80 # define _PROF_PROLOGUE mflr 0; \ 81 std 3,48(1); \ 82 std 4,56(1); \ 83 std 5,64(1); \ 84 std 0,16(1); \ 85 stdu 1,-112(1); \ 86 bl _mcount; \ 87 nop; \ 88 ld 0,112+16(1); \ 89 ld 3,112+48(1); \ 90 ld 4,112+56(1); \ 91 ld 5,112+64(1); \ 92 mtlr 0; \ 93 addi 1,1,112 94 # else 95 # define _PROF_PROLOGUE mflr 0; stw 0,4(1); bl _mcount 96 # endif 97 #else 98 # define _PROF_PROLOGUE 99 #endif 100 101 #define ASENTRY(y) _ENTRY(ASMNAME(y)); _PROF_PROLOGUE 102 #define ENTRY(y) _ENTRY(CNAME(y)); _PROF_PROLOGUE 103 #define GLOBAL(y) _GLOBAL(CNAME(y)) 104 105 #define ASENTRY_NOPROF(y) _ENTRY(ASMNAME(y)) 106 #define ENTRY_NOPROF(y) _ENTRY(CNAME(y)) 107 108 #define ASMSTR .asciz 109 110 #define RCSID(x) .text; .asciz x 111 112 #undef __FBSDID 113 #if !defined(lint) && !defined(STRIP_FBSDID) 114 #define __FBSDID(s) .ident s 115 #else 116 #define __FBSDID(s) /* nothing */ 117 #endif /* not lint and not STRIP_FBSDID */ 118 119 #define WEAK_ALIAS(alias,sym) \ 120 .weak alias; \ 121 alias = sym 122 123 #ifdef __STDC__ 124 #define WARN_REFERENCES(_sym,_msg) \ 125 .section .gnu.warning. ## _sym ; .ascii _msg ; .text 126 #else 127 #define WARN_REFERENCES(_sym,_msg) \ 128 .section .gnu.warning./**/_sym ; .ascii _msg ; .text 129 #endif /* __STDC__ */ 130 131 #endif /* !_MACHINE_ASM_H_ */ 132