1/* $NetBSD: ptrace.S,v 1.8 2022/06/06 06:32:44 skrll Exp $ */ 2 3/*- 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Matt Fredette. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32#include <sys/errno.h> 33#include "SYS.h" 34 35/* 36 * int ptrace(int request, pid_t pid, void * addr, int data); 37 */ 38 39ENTRY(ptrace, HPPA_FRAME_SIZE) 40 stw %rp, HPPA_FRAME_CRP(%sp) 41 stw %arg0, HPPA_FRAME_ARG(0)(%sp) 42 stw %arg1, HPPA_FRAME_ARG(1)(%sp) 43 stw %arg2, HPPA_FRAME_ARG(2)(%sp) 44 stw %arg3, HPPA_FRAME_ARG(3)(%sp) 45 stw %r19, HPPA_FRAME_EDP(%sp) 46 ldo HPPA_FRAME_SIZE(%sp),%sp 47 bl __cerror, %rp 48 copy %r0, %t1 49 ldo -HPPA_FRAME_SIZE(%sp), %sp 50 ldw HPPA_FRAME_EDP(%sp), %r19 51 ldw HPPA_FRAME_ARG(0)(%sp), %arg0 52 ldw HPPA_FRAME_ARG(1)(%sp), %arg1 53 ldw HPPA_FRAME_ARG(2)(%sp), %arg2 54 ldw HPPA_FRAME_ARG(3)(%sp), %arg3 55 ldw HPPA_FRAME_CRP(%sp), %rp 56 57 SYSCALL(ptrace) 58 bv,n %r0(%rp) 59EXIT(ptrace) 60