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