NetBSD/sys/arch/sh3/include/asm.h

124 lines
3.5 KiB
C

/* $NetBSD: asm.h,v 1.8 2001/12/16 18:11:12 thorpej Exp $ */
/*-
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* William Jolitz.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*
* @(#)asm.h 5.5 (Berkeley) 5/7/91
*/
#ifndef _SH3_ASM_H_
#define _SH3_ASM_H_
#define PIC_PROLOGUE
#define PIC_EPILOGUE
#define PIC_PLT(x) x
#define PIC_GOT(x) x
#define PIC_GOTOFF(x) x
/*
* The old NetBSD/sh3 ELF toolchain used underscores. The new
* NetBSD/sh3 ELF toolchain does not. The C pre-processor
* defines __NO_LEADING_UNDERSCORES__ for the new ELF toolchain.
*/
#if (defined(__ELF__) && defined(__NO_LEADING_UNDERSCORES__))
# 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
/* let kernels and others override entrypoint alignment */
#ifndef _ALIGN_TEXT
# define _ALIGN_TEXT .align 2
#endif
#ifdef __ELF__
#define _ENTRY(x) \
.text ;\
_ALIGN_TEXT; \
.globl x; \
.type x,@function; \
x:
#else
#define _ENTRY(x) \
.text ;\
_ALIGN_TEXT; \
.globl x; \
x:
#endif
# define _PROF_PROLOGUE
#define ENTRY(y) _ENTRY(_C_LABEL(y)); \
_PROF_PROLOGUE
#define NENTRY(y) _ENTRY(_C_LABEL(y))
#define ASENTRY(y) _ENTRY(_ASM_LABEL(y));\
_PROF_PROLOGUE
#ifdef __ELF__
#define ALTENTRY(name) .globl _C_LABEL(name); \
.type _C_LABEL(name),@function; \
_C_LABEL(name):
#else
#define ALTENTRY(name) .globl _C_LABEL(name); \
_C_LABEL(name):
#endif
#define ASMSTR .asciz
#define RCSID(x) .text; .asciz x
#ifdef __ELF__
#define WEAK_ALIAS(alias,sym) \
.weak _C_LABEL(alias); \
_C_LABEL(alias) = _C_LABEL(sym)
#endif
#ifdef __STDC__
#define __STRING(x) #x
#define WARN_REFERENCES(sym, msg)
#else
#define __STRING(x) "x"
#define WARN_REFERENCES(sym, msg)
#endif /* __STDC__ */
#endif /* !_SH3_ASM_H_ */