asm.h revision 1.15.2.1
1 1.15.2.1 bouyer /* $NetBSD: asm.h,v 1.15.2.1 2000/11/20 20:09:25 bouyer Exp $ */ 2 1.7 cgd 3 1.1 mycroft /*- 4 1.1 mycroft * Copyright (c) 1990 The Regents of the University of California. 5 1.1 mycroft * All rights reserved. 6 1.1 mycroft * 7 1.1 mycroft * This code is derived from software contributed to Berkeley by 8 1.1 mycroft * William Jolitz. 9 1.1 mycroft * 10 1.1 mycroft * Redistribution and use in source and binary forms, with or without 11 1.1 mycroft * modification, are permitted provided that the following conditions 12 1.1 mycroft * are met: 13 1.1 mycroft * 1. Redistributions of source code must retain the above copyright 14 1.1 mycroft * notice, this list of conditions and the following disclaimer. 15 1.1 mycroft * 2. Redistributions in binary form must reproduce the above copyright 16 1.1 mycroft * notice, this list of conditions and the following disclaimer in the 17 1.1 mycroft * documentation and/or other materials provided with the distribution. 18 1.1 mycroft * 3. All advertising materials mentioning features or use of this software 19 1.1 mycroft * must display the following acknowledgement: 20 1.1 mycroft * This product includes software developed by the University of 21 1.1 mycroft * California, Berkeley and its contributors. 22 1.1 mycroft * 4. Neither the name of the University nor the names of its contributors 23 1.1 mycroft * may be used to endorse or promote products derived from this software 24 1.1 mycroft * without specific prior written permission. 25 1.1 mycroft * 26 1.1 mycroft * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 1.1 mycroft * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 1.1 mycroft * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 1.1 mycroft * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 1.1 mycroft * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 1.1 mycroft * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 1.1 mycroft * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 1.1 mycroft * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 1.1 mycroft * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 1.1 mycroft * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 1.1 mycroft * SUCH DAMAGE. 37 1.1 mycroft * 38 1.7 cgd * @(#)asm.h 5.5 (Berkeley) 5/7/91 39 1.1 mycroft */ 40 1.1 mycroft 41 1.3 mycroft #ifndef _I386_ASM_H_ 42 1.3 mycroft #define _I386_ASM_H_ 43 1.1 mycroft 44 1.4 pk #ifdef PIC 45 1.4 pk #define PIC_PROLOGUE \ 46 1.4 pk pushl %ebx; \ 47 1.4 pk call 1f; \ 48 1.4 pk 1: \ 49 1.4 pk popl %ebx; \ 50 1.4 pk addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ebx 51 1.4 pk #define PIC_EPILOGUE \ 52 1.4 pk popl %ebx 53 1.4 pk #define PIC_PLT(x) x@PLT 54 1.4 pk #define PIC_GOT(x) x@GOT(%ebx) 55 1.4 pk #define PIC_GOTOFF(x) x@GOTOFF(%ebx) 56 1.4 pk #else 57 1.4 pk #define PIC_PROLOGUE 58 1.4 pk #define PIC_EPILOGUE 59 1.4 pk #define PIC_PLT(x) x 60 1.4 pk #define PIC_GOT(x) x 61 1.4 pk #define PIC_GOTOFF(x) x 62 1.4 pk #endif 63 1.4 pk 64 1.13 christos #ifdef __ELF__ 65 1.15.2.1 bouyer # define _C_LABEL(x) x 66 1.1 mycroft #else 67 1.13 christos # ifdef __STDC__ 68 1.13 christos # define _C_LABEL(x) _ ## x 69 1.13 christos # else 70 1.13 christos # define _C_LABEL(x) _/**/x 71 1.13 christos # endif 72 1.1 mycroft #endif 73 1.6 jtc #define _ASM_LABEL(x) x 74 1.6 jtc 75 1.15.2.1 bouyer #ifdef __STDC__ 76 1.15.2.1 bouyer # define __CONCAT(x,y) x ## y 77 1.15.2.1 bouyer # define __STRING(x) #x 78 1.15.2.1 bouyer #else 79 1.15.2.1 bouyer # define __CONCAT(x,y) x/**/y 80 1.15.2.1 bouyer # define __STRING(x) "x" 81 1.15.2.1 bouyer #endif 82 1.15.2.1 bouyer 83 1.9 fvdl /* let kernels and others override entrypoint alignment */ 84 1.9 fvdl #ifndef _ALIGN_TEXT 85 1.14 kleink # ifdef __ELF__ 86 1.14 kleink # define _ALIGN_TEXT .align 4 87 1.14 kleink # else 88 1.14 kleink # define _ALIGN_TEXT .align 2 89 1.14 kleink # endif 90 1.9 fvdl #endif 91 1.9 fvdl 92 1.6 jtc #define _ENTRY(x) \ 93 1.9 fvdl .text; _ALIGN_TEXT; .globl x; .type x,@function; x: 94 1.1 mycroft 95 1.8 jtc #ifdef GPROF 96 1.15 kleink # ifdef __ELF__ 97 1.15 kleink # define _PROF_PROLOGUE \ 98 1.15 kleink pushl %ebp; movl %esp,%ebp; call PIC_PLT(__mcount); popl %ebp 99 1.15 kleink # else 100 1.15 kleink # define _PROF_PROLOGUE \ 101 1.6 jtc pushl %ebp; movl %esp,%ebp; call PIC_PLT(mcount); popl %ebp 102 1.15 kleink # endif 103 1.1 mycroft #else 104 1.6 jtc # define _PROF_PROLOGUE 105 1.1 mycroft #endif 106 1.1 mycroft 107 1.6 jtc #define ENTRY(y) _ENTRY(_C_LABEL(y)); _PROF_PROLOGUE 108 1.9 fvdl #define NENTRY(y) _ENTRY(_C_LABEL(y)) 109 1.6 jtc #define ASENTRY(y) _ENTRY(_ASM_LABEL(y)); _PROF_PROLOGUE 110 1.10 thorpej 111 1.10 thorpej #define ALTENTRY(name) .globl _C_LABEL(name); _C_LABEL(name): 112 1.1 mycroft 113 1.1 mycroft #define ASMSTR .asciz 114 1.5 jtc 115 1.5 jtc #define RCSID(x) .text; .asciz x 116 1.11 thorpej 117 1.15.2.1 bouyer #ifdef __ELF__ 118 1.15.2.1 bouyer #define WEAK_ALIAS(alias,sym) \ 119 1.15.2.1 bouyer .weak alias; \ 120 1.15.2.1 bouyer alias = sym 121 1.15.2.1 bouyer #endif 122 1.15.2.1 bouyer 123 1.11 thorpej #ifdef __STDC__ 124 1.11 thorpej #define WARN_REFERENCES(sym,msg) \ 125 1.12 thorpej .stabs msg ## ,30,0,0,0 ; \ 126 1.15.2.1 bouyer .stabs __STRING(_C_LABEL(sym)) ## ,1,0,0,0 127 1.15.2.1 bouyer #elif defined(__ELF__) 128 1.15.2.1 bouyer #define WARN_REFERENCES(sym,msg) \ 129 1.15.2.1 bouyer .stabs msg,30,0,0,0 ; \ 130 1.15.2.1 bouyer .stabs __STRING(sym),1,0,0,0 131 1.11 thorpej #else 132 1.11 thorpej #define WARN_REFERENCES(sym,msg) \ 133 1.11 thorpej .stabs msg,30,0,0,0 ; \ 134 1.12 thorpej .stabs __STRING(_/**/sym),1,0,0,0 135 1.11 thorpej #endif /* __STDC__ */ 136 1.1 mycroft 137 1.3 mycroft #endif /* !_I386_ASM_H_ */ 138
Indexes created Wed Oct 15 16:09:53 GMT 2025