kdbenter_syscall.c

<B>Digital的Unix操作系统VAX 4.2源码</B>

/*	@(#)kdbenter_syscall.c	4.1	(ULTRIX)	7/2/90	*/

/************************************************************************
 *									*
 *			Copyright (c) 1984 by				*
 *		Digital Equipment Corporation, Maynard, MA		*
 *			All rights reserved.				*
 *									*
 *   This software is furnished under a license and may be used and	*
 *   copied  only  in accordance with the terms of such license and	*
 *   with the  inclusion  of  the  above  copyright  notice.   This	*
 *   software  or  any  other copies thereof may not be provided or	*
 *   otherwise made available to any other person.  No title to and	*
 *   ownership of the software is hereby transferred.			*
 *									*
 *   This software is  derived  from  software  received  from  the	*
 *   University    of   California,   Berkeley,   and   from   Bell	*
 *   Laboratories.  Use, duplication, or disclosure is  subject  to	*
 *   restrictions  under  license  agreements  with  University  of	*
 *   California and with AT&T.						*
 *									*
 *   The information in this software is subject to change  without	*
 *   notice  and should not be construed as a commitment by Digital	*
 *   Equipment Corporation.						*
 *									*
 *   Digital assumes no responsibility for the use  or  reliability	*
 *   of its software on equipment which is not supplied by Digital.	*
 *									*
 ************************************************************************/

#ifdef PROF
#define	ENTRY(x)	.globl _/**/x; .align 2; _/**/x: .word 0; \
			.data; 1:; .long 0; .text; moval 1b,r0; jsb mcount
#else
#define	ENTRY(x)	.globl _/**/x; .align 2; _/**/x: .word 0
#endif PROF
#define	SYSCALL(x)	err: jmp cerror; ENTRY(x); chmk $7; jcs err
#define	PSEUDO(x,y)	ENTRY(x); chmk $7
#define	CALL(x,y)	calls $x, _/**/y

	.globl	cerror

SYSCALL(kdbenter)
	ret		# pid = getpid();