NetBSD/sys/arch/pdp10/include/asm.h
2003-08-19 10:53:04 +00:00

98 lines
3.0 KiB
C

/* $NetBSD: asm.h,v 1.1 2003/08/19 10:53:05 ragge Exp $ */
/*
* Copyright (c) 2003 Anders Magnusson (ragge@ludd.luth.se).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _PDP10_ASM_H_
#define _PDP10_ASM_H_
#ifdef __ELF__
# define _C_LABEL(x) x
#else
# ifdef __STDC__
# define _C_LABEL(x) _ ## x
# else
# define _C_LABEL(x) _/**/x
# endif
#endif
#define _ASM_LABEL(x) x
#ifdef __STDC__
# define __CONCAT(x,y) x ## y
# define __STRING(x) #x
#else
# define __CONCAT(x,y) x/**/y
# define __STRING(x) "x"
#endif
/* let kernels and others override entrypoint alignment */
#ifndef _ALIGN_TEXT
# ifdef __ELF__
# define _ALIGN_TEXT .align 4
# else
# define _ALIGN_TEXT .align 2
# endif
#endif
#define _ENTRY(x) \
.text ; .globl x ; __CONCAT(x,:)
#ifdef GPROF
# ifdef __ELF__
# define _PROF_PROLOGUE \
.data; 1:; .long 0; .text; moval 1b,r0; jsb _ASM_LABEL(__mcount)
# else
# define _PROF_PROLOGUE \
.data; 1:; .long 0; .text; moval 1b,r0; jsb _ASM_LABEL(mcount)
# endif
#else
# define _PROF_PROLOGUE
#endif
#define ENTRY(x) _ENTRY(_C_LABEL(x)); _PROF_PROLOGUE
#define NENTRY(x, regs) _ENTRY(_C_LABEL(x))
#define ASENTRY(x, regs) _ENTRY(_ASM_LABEL(x)); _PROF_PROLOGUE
#define ALTENTRY(x) .globl _C_LABEL(x) ; _C_LABEL(x):
#define RCSID(x) .text ; .asciz x
#ifdef __ELF__
#define WEAK_ALIAS(alias,sym) .weak alias ; alias = sym
#endif
#ifdef __STDC__
#define WARN_REFERENCES(sym,msg) \
.stabs msg ## ,30,0,0,0 ; \
.stabs __STRING(_C_LABEL(sym)) ## ,1,0,0,0
#else
#define WARN_REFERENCES(sym,msg) \
.stabs msg,30,0,0,0 ; \
.stabs __STRING(_C_LABEL(sym)),1,0,0,0
#endif /* __STDC__ */
#endif /* !_PDP10_ASM_H_ */