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asm.h revision 1.2 
      1 /*-
      2  * Copyright (c) 1990 The Regents of the University of California.
      3  * All rights reserved.
      4  *
      5  * This version based on the old asm.h which is ifdef notdefed at the end,
      6  * and jolitz's i386 asm.h mess.
      7  *
      8  * This code is derived from software contributed to Berkeley by
      9  * William Jolitz.
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions and the following disclaimer.
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  * 3. All advertising materials mentioning features or use of this software
     20  *    must display the following acknowledgement:
     21  *	This product includes software developed by the University of
     22  *	California, Berkeley and its contributors.
     23  * 4. Neither the name of the University nor the names of its contributors
     24  *    may be used to endorse or promote products derived from this software
     25  *    without specific prior written permission.
     26  *
     27  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     28  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     29  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     30  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     31  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     32  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     33  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     34  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     35  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     36  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     37  * SUCH DAMAGE.
     38  *
     39  *	from: @(#)asm.h	5.5 (Berkeley) 5/7/91
     40  *	asm.h,v 1.1 1993/06/16 21:42:47 mycroft Exp
     41  */
     42 
     43 #ifndef _MACHINE_ASM_H_
     44 #define _MACHINE_ASM_H_
     45 
     46 /*
     47  * XXX assumes that arguments are not passed in %eax
     48  */
     49 
     50 
     51 #ifdef STDC
     52 # define _C_FUNC(x)	_ ## x
     53 #else
     54 # define _C_FUNC(x)	_/**/x
     55 #endif
     56 #define	_ASM_FUNC(x)	x
     57 
     58 #ifdef GPROF
     59 # define _BEGIN_ENTRY
     60 # define _END_ENTRY	link a6,#0; jbsr mcount; unlk a6 ;
     61 # define _ENTER_FUNC(x) jra _C_FUNC(x)+12
     62 #else
     63 # define _BEGIN_ENTRY
     64 # define _END_ENTRY
     65 # define _ENTER_FUNC(x) ;
     66 #endif
     67 
     68 #define _ENTRY(x)	.globl x; x:
     69 
     70 #define	ENTRY(y)	_BEGIN_ENTRY; _ENTRY(_C_FUNC(y)); _END_ENTRY
     71 #define	TWOENTRY(y,z)	_BEGIN_ENTRY; _ENTRY(_C_FUNC(z)); _END_ENTRY \
     72    _ENTER_FUNC(y); \
     73    _ENTRY(_C_FUNC(y)); _END_ENTRY
     74 #define	ASENTRY(y)	_BEGIN_ENTRY; _ENTRY(_ASM_FUNC(y)); _END_ENTRY
     75 
     76 #define	ASMSTR		.asciz
     77 
     78 #endif /* !_MACHINE_ASM_H_ */
     79 
     80 #ifdef  nodef
     81 #ifdef PROF
     82 #define	ENTRY(name) \
     83 	.globl _/**/name; _/**/name: link a6,#0; jbsr mcount; unlk a6
     84 #define ALTENTRY(name, rname) \
     85 	ENTRY(name); jra rname+12
     86 #else
     87 #define	ENTRY(name) \
     88 	.globl _/**/name; _/**/name:
     89 #define ALTENTRY(name, rname) \
     90 	.globl _/**/name; _/**/name:
     91 #endif
     92 #endif
     93