170 lines
4.7 KiB
C
170 lines
4.7 KiB
C
/* $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
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#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__)
|
|
#define _ARM_ARCH_5
|
|
#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_ */
|