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/* $NetBSD: asm.h,v 1.6 1996/01/26 08:10:10 phil Exp $ */
/*
* Mach Operating System
* Copyright (c) 1992 Carnegie Mellon University
* Copyright (c) 1992 Helsinki University of Technology
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON AND HELSINKI UNIVERSITY OF TECHNOLOGY ALLOW FREE USE
* OF THIS SOFTWARE IN ITS "AS IS" CONDITION. CARNEGIE MELLON AND
* HELSINKI UNIVERSITY OF TECHNOLOGY DISCLAIM ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
/*
* File: asm.h
* Author: Johannes Helander, Tero Kivinen, Tatu Ylonen
* Modified by Phil Nelson for NetBSD.
* Modified by Matthias Pfaller for PIC.
* Helsinki University of Technology 1992.
*/
#ifndef _MACHINE_ASM_H_
#define _MACHINE_ASM_H_
#ifdef __STDC__
#define CAT(a, b) a ## b
#define EX(x) _ ## x
#define LEX(x) _ ## x ## :
#else
#define CAT(a, b) a/**/b
#define EX(x) _/**/x
#define LEX(x) _/**/x/**/:
#endif
#define FRAME enter [],0
#define EMARF exit []
#define S_ARG0 4(sp)
#define S_ARG1 8(sp)
#define S_ARG2 12(sp)
#define S_ARG3 16(sp)
#define B_ARG0 8(fp)
#define B_ARG1 12(fp)
#define B_ARG2 16(fp)
#define B_ARG3 20(fp)
#define ALIGN 0
#ifdef PIC
#define PIC_PROLOGUE \
sprd sb,tos; \
addr __GLOBAL_OFFSET_TABLE_(pc),r1; \
lprd sb,r1
#define PIC_EPILOGUE \
lprd sb,tos
#define PIC_GOT(x) 0(x(sb))
#define PIC_S_ARG0 8(sp)
#define PIC_S_ARG1 12(sp)
#define PIC_S_ARG2 16(sp)
#define PIC_S_ARG3 20(sp)
#else
#define PIC_PROLOGUE
#define PIC_EPILOGUE
#define PIC_GOT(x) x(pc)
#define PIC_S_ARG0 4(sp)
#define PIC_S_ARG1 8(sp)
#define PIC_S_ARG2 12(sp)
#define PIC_S_ARG3 16(sp)
#endif
#ifdef PROF
#define MC1 .data; 1:; .long 0; .text
#define MC2 addr 1b(pc),r0; bsr mcount
#else
#define MC1
#define MC2
#endif
#define DECL(x) MC1; .globl x; .type x,@function; .align ALIGN; CAT(x,:); MC2
#define ENTRY(x) DECL(EX(x))
#define Entry(x) DECL(EX(x))
#define ASENTRY(x) DECL(x)
#define ASMSTR .asciz
#define SVC svc
#endif
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