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asm.h revision 1.16.2.2
      1  1.16.2.2  mycroft /*	$NetBSD: asm.h,v 1.16.2.2 1999/11/07 07:20:27 mycroft Exp $	*/
      2  1.16.2.2  mycroft 
      3  1.16.2.2  mycroft /*-
      4  1.16.2.2  mycroft  * Copyright (c) 1990 The Regents of the University of California.
      5  1.16.2.2  mycroft  * All rights reserved.
      6  1.16.2.2  mycroft  *
      7  1.16.2.2  mycroft  * This code is derived from software contributed to Berkeley by
      8  1.16.2.2  mycroft  * William Jolitz.
      9  1.16.2.2  mycroft  *
     10  1.16.2.2  mycroft  * Redistribution and use in source and binary forms, with or without
     11  1.16.2.2  mycroft  * modification, are permitted provided that the following conditions
     12  1.16.2.2  mycroft  * are met:
     13  1.16.2.2  mycroft  * 1. Redistributions of source code must retain the above copyright
     14  1.16.2.2  mycroft  *    notice, this list of conditions and the following disclaimer.
     15  1.16.2.2  mycroft  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.16.2.2  mycroft  *    notice, this list of conditions and the following disclaimer in the
     17  1.16.2.2  mycroft  *    documentation and/or other materials provided with the distribution.
     18  1.16.2.2  mycroft  * 3. All advertising materials mentioning features or use of this software
     19  1.16.2.2  mycroft  *    must display the following acknowledgement:
     20  1.16.2.2  mycroft  *	This product includes software developed by the University of
     21  1.16.2.2  mycroft  *	California, Berkeley and its contributors.
     22  1.16.2.2  mycroft  * 4. Neither the name of the University nor the names of its contributors
     23  1.16.2.2  mycroft  *    may be used to endorse or promote products derived from this software
     24  1.16.2.2  mycroft  *    without specific prior written permission.
     25  1.16.2.2  mycroft  *
     26  1.16.2.2  mycroft  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     27  1.16.2.2  mycroft  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     28  1.16.2.2  mycroft  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     29  1.16.2.2  mycroft  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     30  1.16.2.2  mycroft  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     31  1.16.2.2  mycroft  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     32  1.16.2.2  mycroft  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     33  1.16.2.2  mycroft  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     34  1.16.2.2  mycroft  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     35  1.16.2.2  mycroft  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     36  1.16.2.2  mycroft  * SUCH DAMAGE.
     37  1.16.2.2  mycroft  *
     38  1.16.2.2  mycroft  *	@(#)asm.h	5.5 (Berkeley) 5/7/91
     39  1.16.2.2  mycroft  */
     40  1.16.2.2  mycroft 
     41  1.16.2.2  mycroft #ifndef _I386_ASM_H_
     42  1.16.2.2  mycroft #define _I386_ASM_H_
     43  1.16.2.2  mycroft 
     44  1.16.2.2  mycroft #ifdef PIC
     45  1.16.2.2  mycroft #define PIC_PROLOGUE	\
     46  1.16.2.2  mycroft 	pushl	%ebx;	\
     47  1.16.2.2  mycroft 	call	1f;	\
     48  1.16.2.2  mycroft 1:			\
     49  1.16.2.2  mycroft 	popl	%ebx;	\
     50  1.16.2.2  mycroft 	addl	$_GLOBAL_OFFSET_TABLE_+[.-1b], %ebx
     51  1.16.2.2  mycroft #define PIC_EPILOGUE	\
     52  1.16.2.2  mycroft 	popl	%ebx
     53  1.16.2.2  mycroft #define PIC_PLT(x)	x@PLT
     54  1.16.2.2  mycroft #define PIC_GOT(x)	x@GOT(%ebx)
     55  1.16.2.2  mycroft #define PIC_GOTOFF(x)	x@GOTOFF(%ebx)
     56  1.16.2.2  mycroft #else
     57  1.16.2.2  mycroft #define PIC_PROLOGUE
     58  1.16.2.2  mycroft #define PIC_EPILOGUE
     59  1.16.2.2  mycroft #define PIC_PLT(x)	x
     60  1.16.2.2  mycroft #define PIC_GOT(x)	x
     61  1.16.2.2  mycroft #define PIC_GOTOFF(x)	x
     62  1.16.2.2  mycroft #endif
     63  1.16.2.2  mycroft 
     64  1.16.2.2  mycroft #ifdef __ELF__
     65  1.16.2.2  mycroft # define _C_LABEL(x)	x
     66  1.16.2.2  mycroft #else
     67  1.16.2.2  mycroft # ifdef __STDC__
     68  1.16.2.2  mycroft #  define _C_LABEL(x)	_ ## x
     69  1.16.2.2  mycroft # else
     70  1.16.2.2  mycroft #  define _C_LABEL(x)	_/**/x
     71  1.16.2.2  mycroft # endif
     72  1.16.2.2  mycroft #endif
     73  1.16.2.2  mycroft #define	_ASM_LABEL(x)	x
     74  1.16.2.2  mycroft 
     75  1.16.2.2  mycroft #ifdef __STDC__
     76  1.16.2.2  mycroft # define __CONCAT(x,y)	x ## y
     77  1.16.2.2  mycroft # define __STRING(x)	#x
     78  1.16.2.2  mycroft #else
     79  1.16.2.2  mycroft # define __CONCAT(x,y)	x/**/y
     80  1.16.2.2  mycroft # define __STRING(x)	"x"
     81  1.16.2.2  mycroft #endif
     82  1.16.2.2  mycroft 
     83  1.16.2.2  mycroft /* let kernels and others override entrypoint alignment */
     84  1.16.2.2  mycroft #ifndef _ALIGN_TEXT
     85  1.16.2.2  mycroft # ifdef __ELF__
     86  1.16.2.2  mycroft #  define _ALIGN_TEXT .align 4
     87  1.16.2.2  mycroft # else
     88  1.16.2.2  mycroft #  define _ALIGN_TEXT .align 2
     89  1.16.2.2  mycroft # endif
     90  1.16.2.2  mycroft #endif
     91  1.16.2.2  mycroft 
     92  1.16.2.2  mycroft #define _ENTRY(x) \
     93  1.16.2.2  mycroft 	.text; _ALIGN_TEXT; .globl x; .type x,@function; x:
     94  1.16.2.2  mycroft 
     95  1.16.2.2  mycroft #ifdef GPROF
     96  1.16.2.2  mycroft # ifdef __ELF__
     97  1.16.2.2  mycroft #  define _PROF_PROLOGUE	\
     98  1.16.2.2  mycroft 	pushl %ebp; movl %esp,%ebp; call PIC_PLT(__mcount); popl %ebp
     99  1.16.2.2  mycroft # else
    100  1.16.2.2  mycroft #  define _PROF_PROLOGUE	\
    101  1.16.2.2  mycroft 	pushl %ebp; movl %esp,%ebp; call PIC_PLT(mcount); popl %ebp
    102  1.16.2.2  mycroft # endif
    103  1.16.2.2  mycroft #else
    104  1.16.2.2  mycroft # define _PROF_PROLOGUE
    105  1.16.2.2  mycroft #endif
    106  1.16.2.2  mycroft 
    107  1.16.2.2  mycroft #define	ENTRY(y)	_ENTRY(_C_LABEL(y)); _PROF_PROLOGUE
    108  1.16.2.2  mycroft #define	NENTRY(y)	_ENTRY(_C_LABEL(y))
    109  1.16.2.2  mycroft #define	ASENTRY(y)	_ENTRY(_ASM_LABEL(y)); _PROF_PROLOGUE
    110  1.16.2.2  mycroft 
    111  1.16.2.2  mycroft #define	ALTENTRY(name)	.globl _C_LABEL(name); _C_LABEL(name):
    112  1.16.2.2  mycroft 
    113  1.16.2.2  mycroft #define	ASMSTR		.asciz
    114  1.16.2.2  mycroft 
    115  1.16.2.2  mycroft #define RCSID(x)	.text; .asciz x
    116  1.16.2.2  mycroft 
    117  1.16.2.2  mycroft #ifdef __STDC__
    118  1.16.2.2  mycroft #define	WARN_REFERENCES(sym,msg)					\
    119  1.16.2.2  mycroft 	.stabs msg ## ,30,0,0,0 ;					\
    120  1.16.2.2  mycroft 	.stabs __STRING(_C_LABEL(sym)) ## ,1,0,0,0
    121  1.16.2.2  mycroft #elifdef __ELF__
    122  1.16.2.2  mycroft #define	WARN_REFERENCES(sym,msg)					\
    123  1.16.2.2  mycroft 	.stabs msg,30,0,0,0 ;						\
    124  1.16.2.2  mycroft 	.stabs __STRING(sym),1,0,0,0
    125  1.16.2.2  mycroft #else
    126  1.16.2.2  mycroft #define	WARN_REFERENCES(sym,msg)					\
    127  1.16.2.2  mycroft 	.stabs msg,30,0,0,0 ;						\
    128  1.16.2.2  mycroft 	.stabs __STRING(_/**/sym),1,0,0,0
    129  1.16.2.2  mycroft #endif /* __STDC__ */
    130  1.16.2.2  mycroft 
    131  1.16.2.2  mycroft #endif /* !_I386_ASM_H_ */
    132