140 lines
3.8 KiB
C
140 lines
3.8 KiB
C
/* $NetBSD: asm.h,v 1.16 2003/11/24 04:07:22 uwe 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. 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 /* __ELF__ */
|
|
#define _ENTRY(x) \
|
|
.text ;\
|
|
_ALIGN_TEXT ;\
|
|
.globl x ;\
|
|
x:
|
|
#endif /* __ELF__ */
|
|
|
|
#ifdef GPROF
|
|
#define _PROF_PROLOGUE \
|
|
mov.l 1f,r1 ; \
|
|
mova 2f,r0 ; \
|
|
jmp @r1 ; \
|
|
nop ; \
|
|
.align 2 ; \
|
|
1: .long __mcount ; \
|
|
2:
|
|
#else /* !GPROF */
|
|
#define _PROF_PROLOGUE
|
|
#endif /* !GPROF */
|
|
|
|
#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
|
|
|
|
#ifdef __ELF__
|
|
#define RCSID(x) .section .ident; .asciz x; .previous
|
|
#else
|
|
#define RCSID(x) .text; .asciz x
|
|
#endif
|
|
|
|
#ifdef NO_KERNEL_RCSIDS
|
|
#define __KERNEL_RCSID(_n, _s) /* nothing */
|
|
#else
|
|
#define __KERNEL_RCSID(_n, _s) RCSID(_s)
|
|
#endif
|
|
|
|
#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_ */
|