ptrace.S revision 1.8 1 1.8 skrll /* $NetBSD: ptrace.S,v 1.8 2022/06/06 06:32:44 skrll Exp $ */
2 1.1 fredette
3 1.1 fredette /*-
4 1.1 fredette * Copyright (c) 2001 The NetBSD Foundation, Inc.
5 1.1 fredette * All rights reserved.
6 1.1 fredette *
7 1.1 fredette * This code is derived from software contributed to The NetBSD Foundation
8 1.1 fredette * by Matt Fredette.
9 1.1 fredette *
10 1.1 fredette * Redistribution and use in source and binary forms, with or without
11 1.1 fredette * modification, are permitted provided that the following conditions
12 1.1 fredette * are met:
13 1.1 fredette * 1. Redistributions of source code must retain the above copyright
14 1.1 fredette * notice, this list of conditions and the following disclaimer.
15 1.1 fredette * 2. Redistributions in binary form must reproduce the above copyright
16 1.1 fredette * notice, this list of conditions and the following disclaimer in the
17 1.1 fredette * documentation and/or other materials provided with the distribution.
18 1.1 fredette *
19 1.1 fredette * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 1.1 fredette * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 1.1 fredette * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 1.1 fredette * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 1.1 fredette * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 1.1 fredette * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 1.1 fredette * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 1.1 fredette * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 1.1 fredette * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 1.1 fredette * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 1.1 fredette * POSSIBILITY OF SUCH DAMAGE.
30 1.1 fredette */
31 1.1 fredette
32 1.1 fredette #include <sys/errno.h>
33 1.1 fredette #include "SYS.h"
34 1.1 fredette
35 1.5 skrll /*
36 1.5 skrll * int ptrace(int request, pid_t pid, void * addr, int data);
37 1.5 skrll */
38 1.5 skrll
39 1.5 skrll ENTRY(ptrace, HPPA_FRAME_SIZE)
40 1.5 skrll stw %rp, HPPA_FRAME_CRP(%sp)
41 1.5 skrll stw %arg0, HPPA_FRAME_ARG(0)(%sp)
42 1.5 skrll stw %arg1, HPPA_FRAME_ARG(1)(%sp)
43 1.5 skrll stw %arg2, HPPA_FRAME_ARG(2)(%sp)
44 1.5 skrll stw %arg3, HPPA_FRAME_ARG(3)(%sp)
45 1.8 skrll stw %r19, HPPA_FRAME_EDP(%sp)
46 1.5 skrll ldo HPPA_FRAME_SIZE(%sp),%sp
47 1.5 skrll bl __cerror, %rp
48 1.5 skrll copy %r0, %t1
49 1.5 skrll ldo -HPPA_FRAME_SIZE(%sp), %sp
50 1.8 skrll ldw HPPA_FRAME_EDP(%sp), %r19
51 1.5 skrll ldw HPPA_FRAME_ARG(0)(%sp), %arg0
52 1.5 skrll ldw HPPA_FRAME_ARG(1)(%sp), %arg1
53 1.5 skrll ldw HPPA_FRAME_ARG(2)(%sp), %arg2
54 1.5 skrll ldw HPPA_FRAME_ARG(3)(%sp), %arg3
55 1.5 skrll ldw HPPA_FRAME_CRP(%sp), %rp
56 1.5 skrll
57 1.5 skrll SYSCALL(ptrace)
58 1.5 skrll bv,n %r0(%rp)
59 1.1 fredette EXIT(ptrace)
60