NetBSD/sys/arch/i386/boot/asm.h

65 lines
2.0 KiB
C

/*
* Ported to Boot 386BSD by Julian Elsicher (julian@tfs.com) Sept. 1992
*
* Mach Operating System
* Copyright (c) 1991,1990,1989 Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*
* $Id: asm.h,v 1.4 1994/02/04 05:43:53 mycroft Exp $
*/
#define FRAME pushl %ebp; movl %esp, %ebp
#define EMARF leave
#ifdef __STDC__
#define EXT(x) _ ## x
#define LEXT(x) _ ## x ## :
#else __STDC__
#define EXT(x) _/**/x
#define LEXT(x) _/**/x/**/:
#endif __STDC__
#define addr32 .byte 0x67
#define data32 .byte 0x66
#ifdef PROF
#define MCOUNT .data; 9: .long 0; .text; lea 9b,%edx; call mcount
#define ENTRY(x) .globl EXT(x); .align 2,0x90; LEXT(x); \
FRAME; MCOUNT; EMARF
#define ENTRY2(x,y) .globl EXT(x); .globl EXT(y); \
.align 2,0x90; LEXT(x) LEXT(y); \
FRAME; MCOUNT; EMARF
#define ASENTRY(x) .globl x; .align 2,0x90; x:; \
FRAME; MCOUNT; EMARF
#else PROF
#define MCOUNT
#define ENTRY(x) .globl EXT(x); .align 2,0x90; LEXT(x)
#define ENTRY2(x,y) .globl EXT(x); .globl EXT(y); \
.align 2,0x90; LEXT(x) LEXT(y)
#define ASENTRY(x) .globl x; .align 2,0x90; x:
#endif PROF