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File: [cvs.NetBSD.org] / src / lib / libc / arch / x86_64 / sys / ptrace.S (download)

Revision 1.4, Thu Sep 12 15:36:16 2013 UTC (7 years, 5 months ago) by joerg
Branch: MAIN
CVS Tags: yamt-pagecache-base9, riastradh-xf86-video-intel-2-7-1-pre-2-21-15, riastradh-drm2-base3
Branch point for: tls-earlyentropy
Changes since 1.3: +4 -4 lines

Pass PICFLAGS down to cc-as-as and use __PIC__ to decide if it is small
vs big PIC mode. Retire -DPIC and -DBIGPIC.

/*	$NetBSD: ptrace.S,v 1.4 2013/09/12 15:36:16 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.
 *
 *	from: @(#)ptrace.s	5.1 (Berkeley) 4/23/90
 */

#include <machine/asm.h>
#if defined(SYSLIBC_SCCS) && !defined(lint)
	RCSID("$NetBSD: ptrace.S,v 1.4 2013/09/12 15:36:16 joerg Exp $")
#endif /* SYSLIBC_SCCS and not lint */

#include "SYS.h"

	.globl	_C_LABEL(__errno)

ENTRY(ptrace)
#ifdef __PIC__
	call	PIC_PLT(_C_LABEL(__errno))
#else
	call	_C_LABEL(__errno)
#endif /* __PIC__ */
	movl	$0,(%rax)
	SYSTRAP(ptrace)
	jc	err
	ret
err:
	jmp	CERROR