/*	$NetBSD: asm.h,v 1.40 2011/06/16 13:16:20 joerg 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 _I386_ASM_H_
#define _I386_ASM_H_

#ifdef PIC
#define PIC_PROLOGUE	\
	pushl	%ebx;	\
	call	1f;	\
1:			\
	popl	%ebx;	\
	addl	$_GLOBAL_OFFSET_TABLE_+[.-1b], %ebx
#define PIC_EPILOGUE	\
	popl	%ebx
#define PIC_PLT(x)	x@PLT
#define PIC_GOT(x)	x@GOT(%ebx)
#define PIC_GOTOFF(x)	x@GOTOFF(%ebx)
#else
#define PIC_PROLOGUE
#define PIC_EPILOGUE
#define PIC_PLT(x)	x
#define PIC_GOT(x)	x
#define PIC_GOTOFF(x)	x
#endif

/* let kernels and others override entrypoint alignment */
#if !defined(_ALIGN_TEXT) && !defined(_KERNEL)
# ifdef _STANDALONE
#  define _ALIGN_TEXT .align 1
# elif defined __ELF__
#  define _ALIGN_TEXT .align 16
# else
#  define _ALIGN_TEXT .align 4
# endif
#endif

#endif /* !_I386_ASM_H_ */
