1/*- 2 * Copyright (c) 2002 Peter Grehan. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26/* $NetBSD: ptrace.S,v 1.3 2000/02/23 20:16:57 kleink Exp $ */ 27 28#include <machine/asm.h> 29__FBSDID("$FreeBSD: releng/10.3/lib/libc/powerpc/sys/ptrace.S 217398 2011-01-14 11:33:40Z kib $"); 30 31#include "SYS.h" 32 33ENTRY(ptrace) 34 mflr %r0 35 stwu %r1,-32(%r1) 36 stw %r0,36(%r1) 37 stw %r3,8(%r1) 38 stw %r4,12(%r1) 39 stw %r5,16(%r1) 40 stw %r6,20(%r1) 41 42 bl PIC_PLT(CNAME(__error)) 43 li %r7,0 44 stw %r7,0(%r3) 45 46 lwz %r3,8(%r1) 47 lwz %r4,12(%r1) 48 lwz %r5,16(%r1) 49 lwz %r0,36(%r1) 50 lwz %r6,20(%r1) 51 mtlr %r0 52 la %r1,32(%r1) 53 li %r0,SYS_ptrace 54 sc 55 bso 1f 56 blr 571: 58 b PIC_PLT(HIDENAME(cerror)) 59 60 .section .note.GNU-stack,"",%progbits 61