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asm.h revision 1.4 
      1 /*-
      2  * Copyright (c) 1993 Adam Glass
      3  * Copyright (c) 1990 The Regents of the University of California.
      4  * All rights reserved.
      5  *
      6  * This version based on the old asm.h which is ifdef notdefed at the end,
      7  * and jolitz's i386 asm.h mess.
      8  *
      9  * This code is derived from software contributed to Berkeley by
     10  * William Jolitz.
     11  *
     12  * Redistribution and use in source and binary forms, with or without
     13  * modification, are permitted provided that the following conditions
     14  * are met:
     15  * 1. Redistributions of source code must retain the above copyright
     16  *    notice, this list of conditions and the following disclaimer.
     17  * 2. Redistributions in binary form must reproduce the above copyright
     18  *    notice, this list of conditions and the following disclaimer in the
     19  *    documentation and/or other materials provided with the distribution.
     20  * 3. All advertising materials mentioning features or use of this software
     21  *    must display the following acknowledgement:
     22  *	This product includes software developed by the University of
     23  *	California, Berkeley and its contributors.
     24  * 4. Neither the name of the University nor the names of its contributors
     25  *    may be used to endorse or promote products derived from this software
     26  *    without specific prior written permission.
     27  *
     28  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     29  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     30  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     31  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     32  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     33  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     34  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     35  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     36  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     37  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     38  * SUCH DAMAGE.
     39  *
     40  *	from: @(#)asm.h	5.5 (Berkeley) 5/7/91
     41  *	asm.h,v 1.1 1993/06/16 21:42:47 mycroft Exp
     42  */
     43 
     44 #ifndef _MACHINE_ASM_H_
     45 #define _MACHINE_ASM_H_
     46 
     47 /*
     48  * XXX assumes that arguments are not passed in %eax
     49  */
     50 
     51 
     52 #ifdef STDC
     53 # define _C_FUNC(x)	_ ## x
     54 #else
     55 # define _C_FUNC(x)	_/**/x
     56 #endif
     57 #define	_ASM_FUNC(x)	x
     58 
     59 #define ALIGN_TEXT .align 2
     60 #ifdef GPROF
     61 # define _BEGIN_ENTRY
     62 # define _END_ENTRY	link a6,#0; jbsr mcount; unlk a6 ;
     63 # define _ENTER_FUNC(x) jra _C_FUNC(x)+12
     64 #else
     65 # define _BEGIN_ENTRY
     66 # define _END_ENTRY
     67 # define _ENTER_FUNC(x) ;
     68 #endif
     69 
     70 #define _ENTRY(x)	.globl x; ALIGN_TEXT; x:
     71 
     72 #define	ENTRY(y)	_BEGIN_ENTRY; _ENTRY(_C_FUNC(y)); _END_ENTRY
     73 #define	TWOENTRY(y,z)	_BEGIN_ENTRY; _ENTRY(_C_FUNC(z)); _END_ENTRY \
     74    _ENTER_FUNC(y); \
     75    _ENTRY(_C_FUNC(y)); _END_ENTRY
     76 #define	ASENTRY(y)	_BEGIN_ENTRY; _ENTRY(_ASM_FUNC(y)); _END_ENTRY
     77 
     78 #define	ASMSTR		.asciz
     79 
     80 #endif /* !_MACHINE_ASM_H_ */
     81