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Diffstat (limited to 'sys/i386/include/asm.h')
| -rw-r--r-- | sys/i386/include/asm.h | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/sys/i386/include/asm.h b/sys/i386/include/asm.h deleted file mode 100644 index d700579696a4e..0000000000000 --- a/sys/i386/include/asm.h +++ /dev/null @@ -1,201 +0,0 @@ -/*- - * Copyright (c) 1990 The Regents of the University of California. - * All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * William Jolitz. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * from: @(#)DEFS.h 5.1 (Berkeley) 4/23/90 - * $Id: asm.h,v 1.1 1997/03/09 10:39:15 bde Exp $ - */ - -#include <sys/cdefs.h> - -#ifdef PIC -#define PIC_PROLOGUE \ - pushl %ebx; \ - call 1f; \ -1: \ - popl %ebx; \ - addl $_GLOBAL_OFFSET_TABLE_+[.-1b],%ebx -#define PIC_EPILOGUE \ - popl %ebx -#define PIC_PLT(x) x@PLT -#define PIC_GOT(x) x@GOT(%ebx) -#define PIC_GOTOFF(x) x@GOTOFF(%ebx) -#else -#define PIC_PROLOGUE -#define PIC_EPILOGUE -#define PIC_PLT(x) x -#define PIC_GOT(x) x -#define PIC_GOTOFF(x) x -#endif - -/* - * CNAME and HIDENAME manage the relationship between symbol names in C - * and the equivalent assembly language names. CNAME is given a name as - * it would be used in a C program. It expands to the equivalent assembly - * language name. HIDENAME is given an assembly-language name, and expands - * to a possibly-modified form that will be invisible to C programs. - */ -#if defined(__ELF__) /* { */ -#define CNAME(csym) csym -#define HIDENAME(asmsym) __CONCAT(.,asmsym) -#else /* } { */ -#define CNAME(csym) __CONCAT(_,csym) -#define HIDENAME(asmsym) asmsym -#endif /* } */ - - -/* XXX should use align 4,0x90 for -m486. */ -#define _START_ENTRY .text; .align 2,0x90; -#if 0 -/* Data is not used, except perhaps by non-g prof, which we don't support. */ -#define _MID_ENTRY .data; .align 2; 8:; .long 0; \ - .text; lea 8b,%eax; -#else -#define _MID_ENTRY -#endif - -#ifdef PROF - -#define ALTENTRY(x) _START_ENTRY \ - .globl CNAME(x); .type CNAME(x),@function; CNAME(x):; \ - _MID_ENTRY \ - call HIDENAME(mcount); jmp 9f - -#define ENTRY(x) _START_ENTRY \ - .globl CNAME(x); .type CNAME(x),@function; CNAME(x):; \ - _MID_ENTRY \ - call HIDENAME(mcount); 9: - - -#define ALTASENTRY(x) _START_ENTRY \ - .globl x; .type x,@function; x:; \ - _MID_ENTRY \ - call HIDENAME(mcount); jmp 9f - -#define ASENTRY(x) _START_ENTRY \ - .globl x; .type x,@function; x:; \ - _MID_ENTRY \ - call HIDENAME(mcount); 9: - -#else /* !PROF */ - -#define ENTRY(x) _START_ENTRY .globl CNAME(x); .type CNAME(x),@function; \ - CNAME(x): -#define ALTENTRY(x) ENTRY(x) - -#define ASENTRY(x) _START_ENTRY .globl x; .type x,@function; x: -#define ALTASENTRY(x) ASENTRY(x) - -#endif - -/* - * This header is currently only used in lib/msun/i387. - * Use it to generate code to select between the generic math functions - * and the i387 ones. - */ -#undef ENTRY -#define ANAME(x) CNAME(__CONCAT(__i387_,x)) -#define ASELNAME(x) CNAME(__CONCAT(__arch_select_,x)) -#define AVECNAME(x) CNAME(__CONCAT(__arch_,x)) -#define GNAME(x) CNAME(__CONCAT(__generic_,x)) - -/* Don't bother profiling this. */ -#ifdef PIC -#define ARCH_DISPATCH(x) \ - _START_ENTRY; \ - .globl CNAME(x); .type CNAME(x),@function; CNAME(x): ; \ - PIC_PROLOGUE; \ - movl PIC_GOT(AVECNAME(x)),%eax; \ - PIC_EPILOGUE; \ - jmpl *(%eax) - -#define ARCH_SELECT(x) _START_ENTRY; \ - .type ASELNAME(x),@function; \ - ASELNAME(x): \ - PIC_PROLOGUE; \ - call PIC_PLT(CNAME(__get_hw_float)); \ - testl %eax,%eax; \ - movl PIC_GOT(ANAME(x)),%eax; \ - jne 8f; \ - movl PIC_GOT(GNAME(x)),%eax; \ - 8: \ - movl PIC_GOT(AVECNAME(x)),%edx; \ - movl %eax,(%edx); \ - PIC_EPILOGUE; \ - jmpl *%eax -#else /* !PIC */ -#define ARCH_DISPATCH(x) \ - _START_ENTRY; \ - .globl CNAME(x); .type CNAME(x),@function; CNAME(x): ; \ - jmpl *AVECNAME(x) - -#define ARCH_SELECT(x) _START_ENTRY; \ - .type ASELNAME(x),@function; \ - ASELNAME(x): \ - call CNAME(__get_hw_float); \ - testl %eax,%eax; \ - movl $ANAME(x),%eax; \ - jne 8f; \ - movl $GNAME(x),%eax; \ - 8: \ - movl %eax,AVECNAME(x); \ - jmpl *%eax -#endif /* PIC */ - -#define ARCH_VECTOR(x) .data; .align 2; \ - .globl AVECNAME(x); \ - .type AVECNAME(x),@object; \ - .size AVECNAME(x),4; \ - AVECNAME(x): .long ASELNAME(x) - -#ifdef PROF - -#define ALTENTRY(x) ENTRY(x); jmp 9f -#define ENTRY(x) ARCH_VECTOR(x); ARCH_SELECT(x); ARCH_DISPATCH(x); \ - _START_ENTRY; \ - .globl ANAME(x); .type ANAME(x),@function; ANAME(x):; \ - call HIDENAME(mcount); 9: - -#else /* !PROF */ - -#define ALTENTRY(x) ENTRY(x) -#define ENTRY(x) ARCH_VECTOR(x); ARCH_SELECT(x); ARCH_DISPATCH(x); \ - _START_ENTRY; \ - .globl ANAME(x); .type ANAME(x),@function; ANAME(x): - -#endif /* PROF */ - -#ifndef RCSID -#define RCSID(a) -#endif |