ptrace.S revision 1.5 
11.1Scgd/*-
21.1Scgd * Copyright (c) 1990 The Regents of the University of California.
31.1Scgd * All rights reserved.
41.1Scgd *
51.1Scgd * This code is derived from software contributed to Berkeley by
61.1Scgd * William Jolitz.
71.1Scgd *
81.1Scgd * Redistribution and use in source and binary forms, with or without
91.1Scgd * modification, are permitted provided that the following conditions
101.1Scgd * are met:
111.1Scgd * 1. Redistributions of source code must retain the above copyright
121.1Scgd *    notice, this list of conditions and the following disclaimer.
131.1Scgd * 2. Redistributions in binary form must reproduce the above copyright
141.1Scgd *    notice, this list of conditions and the following disclaimer in the
151.1Scgd *    documentation and/or other materials provided with the distribution.
161.1Scgd * 3. All advertising materials mentioning features or use of this software
171.1Scgd *    must display the following acknowledgement:
181.1Scgd *	This product includes software developed by the University of
191.1Scgd *	California, Berkeley and its contributors.
201.1Scgd * 4. Neither the name of the University nor the names of its contributors
211.1Scgd *    may be used to endorse or promote products derived from this software
221.1Scgd *    without specific prior written permission.
231.1Scgd *
241.1Scgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
251.1Scgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
261.1Scgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
271.1Scgd * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
281.1Scgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
291.1Scgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
301.1Scgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
311.1Scgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
321.1Scgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
331.1Scgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
341.1Scgd * SUCH DAMAGE.
351.2Sjtc *
361.2Sjtc *	from: @(#)ptrace.s	5.1 (Berkeley) 4/23/90
371.5Smycroft *	$Id: ptrace.S,v 1.5 1994/01/27 06:35:05 mycroft Exp $
381.1Scgd */
391.1Scgd
401.1Scgd#if defined(SYSLIBC_SCCS) && !defined(lint)
411.1Scgd	.text
421.5Smycroft	.asciz "$Id: ptrace.S,v 1.5 1994/01/27 06:35:05 mycroft Exp $"
431.1Scgd#endif /* SYSLIBC_SCCS and not lint */
441.1Scgd
451.1Scgd#include "SYS.h"
461.1Scgd
471.1ScgdENTRY(ptrace)
481.5Smycroft#ifdef PIC
491.1Scgd	xorl	%eax,%eax
501.1Scgd	PIC_PROLOGUE
511.1Scgd	movl	PIC_GOT(_errno),%edx
521.5Smycroft	PIC_EPILOGUE
531.1Scgd	movl	%eax,(%edx)
541.1Scgd#else
551.5Smycroft	movl	$0,_errno
561.1Scgd#endif
571.4Smycroft	movl	$(SYS_ptrace),%eax
581.1Scgd	LCALL(7,0)
591.5Smycroft	jc	err
601.1Scgd	ret
611.1Scgderr:
621.5Smycroft#ifdef PIC
631.3Spk	jmp	PIC_PLT(cerror)
641.5Smycroft#else
651.5Smycroft	jmp	cerror
661.5Smycroft#endif
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