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/* $NetBSD: asm.h,v 1.5 2003/08/07 16:26:53 agc 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.
*
* from: @(#)asm.h 5.5 (Berkeley) 5/7/91
*
* $FreeBSD: release/9.1.0/sys/arm/include/asm.h 172613 2007-10-13 12:04:10Z cognet $
*/
#ifndef _MACHINE_ASM_H_
#define _MACHINE_ASM_H_
#include <sys/cdefs.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
#ifndef _JB_MAGIC__SETJMP
#define _JB_MAGIC__SETJMP 0x4278f500
#define _JB_MAGIC_SETJMP 0x4278f501
#endif
#define I32_bit (1 << 7) /* IRQ disable */
#define F32_bit (1 << 6) /* FIQ disable */
#define CPU_CONTROL_32BP_ENABLE 0x00000010 /* P: 32-bit exception handlers */
#define CPU_CONTROL_32BD_ENABLE 0x00000020 /* D: 32-bit addressing */
#ifndef _ALIGN_TEXT
# define _ALIGN_TEXT .align 0
#endif
/*
* gas/arm uses @ as a single comment character and thus cannot be used here
* Instead it recognised the # instead of an @ symbols in .type directives
* We define a couple of macros so that assembly code will not be dependant
* on one or the other.
*/
#define _ASM_TYPE_FUNCTION #function
#define _ASM_TYPE_OBJECT #object
#define GLOBAL(X) .globl x
#define _ENTRY(x) \
.text; _ALIGN_TEXT; .globl x; .type x,_ASM_TYPE_FUNCTION; x:
#ifdef GPROF
# define _PROF_PROLOGUE \
mov ip, lr; bl __mcount
#else
# define _PROF_PROLOGUE
#endif
#define ENTRY(y) _ENTRY(_C_LABEL(y)); _PROF_PROLOGUE
#define ENTRY_NP(y) _ENTRY(_C_LABEL(y))
#define ASENTRY(y) _ENTRY(_ASM_LABEL(y)); _PROF_PROLOGUE
#define ASENTRY_NP(y) _ENTRY(_ASM_LABEL(y))
#define ASMSTR .asciz
#if defined(__ELF__) && defined(PIC)
#ifdef __STDC__
#define PIC_SYM(x,y) x ## ( ## y ## )
#else
#define PIC_SYM(x,y) x/**/(/**/y/**/)
#endif
#else
#define PIC_SYM(x,y) x
#endif
#undef __FBSDID
#if !defined(lint) && !defined(STRIP_FBSDID)
#define __FBSDID(s) .ident s
#else
#define __FBSDID(s) /* nothing */
#endif
#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
#elif defined(__ELF__)
#define WARN_REFERENCES(sym,msg) \
.stabs msg,30,0,0,0 ; \
.stabs __STRING(sym),1,0,0,0
#else
#define WARN_REFERENCES(sym,msg) \
.stabs msg,30,0,0,0 ; \
.stabs __STRING(_/**/sym),1,0,0,0
#endif /* __STDC__ */
#if defined (__ARM_ARCH_6__) || defined (__ARM_ARCH_6J__)
#define _ARM_ARCH_6
#endif
#if defined (_ARM_ARCH_6) || defined (__ARM_ARCH_5__) || \
defined (__ARM_ARCH_5T__) || defined (__ARM_ARCH_5TE__) || \
defined (__ARM_ARCH_5TEJ__) || defined (__ARM_ARCH_5E__)
#define _ARM_ARCH_5
#endif
#if defined (_ARM_ARCH_6) || defined(__ARM_ARCH_5TE__) || \
defined(__ARM_ARCH_5TEJ__) || defined(__ARM_ARCH_5E__)
#define _ARM_ARCH_5E
#endif
#if defined (_ARM_ARCH_5) || defined (__ARM_ARCH_4T__)
#define _ARM_ARCH_4T
#endif
#if defined (_ARM_ARCH_4T)
# define RET bx lr
# define RETeq bxeq lr
# define RETne bxne lr
# ifdef __STDC__
# define RETc(c) bx##c lr
# else
# define RETc(c) bx/**/c lr
# endif
#else
# define RET mov pc, lr
# define RETeq moveq pc, lr
# define RETne movne pc, lr
# ifdef __STDC__
# define RETc(c) mov##c pc, lr
# else
# define RETc(c) mov/**/c pc, lr
# endif
#endif
#endif /* !_MACHINE_ASM_H_ */