1 //===-- NativeRegisterContextNetBSD.cpp -------------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "NativeRegisterContextNetBSD.h"
10 
11 #include "lldb/Host/common/NativeProcessProtocol.h"
12 
13 using namespace lldb_private;
14 using namespace lldb_private::process_netbsd;
15 
16 // clang-format off
17 #include <sys/types.h>
18 #include <sys/ptrace.h>
19 // clang-format on
20 
21 NativeRegisterContextNetBSD::NativeRegisterContextNetBSD(
22     NativeThreadProtocol &native_thread,
23     RegisterInfoInterface *reg_info_interface_p)
24     : NativeRegisterContextRegisterInfo(native_thread,
25                                         reg_info_interface_p) {}
26 
27 Status NativeRegisterContextNetBSD::ReadGPR() {
28   void *buf = GetGPRBuffer();
29   if (!buf)
30     return Status("GPR buffer is NULL");
31 
32   return DoReadGPR(buf);
33 }
34 
35 Status NativeRegisterContextNetBSD::WriteGPR() {
36   void *buf = GetGPRBuffer();
37   if (!buf)
38     return Status("GPR buffer is NULL");
39 
40   return DoWriteGPR(buf);
41 }
42 
43 Status NativeRegisterContextNetBSD::ReadFPR() {
44   void *buf = GetFPRBuffer();
45   if (!buf)
46     return Status("FPR buffer is NULL");
47 
48   return DoReadFPR(buf);
49 }
50 
51 Status NativeRegisterContextNetBSD::WriteFPR() {
52   void *buf = GetFPRBuffer();
53   if (!buf)
54     return Status("FPR buffer is NULL");
55 
56   return DoWriteFPR(buf);
57 }
58 
59 Status NativeRegisterContextNetBSD::ReadDBR() {
60   void *buf = GetDBRBuffer();
61   if (!buf)
62     return Status("DBR buffer is NULL");
63 
64   return DoReadDBR(buf);
65 }
66 
67 Status NativeRegisterContextNetBSD::WriteDBR() {
68   void *buf = GetDBRBuffer();
69   if (!buf)
70     return Status("DBR buffer is NULL");
71 
72   return DoWriteDBR(buf);
73 }
74 
75 Status NativeRegisterContextNetBSD::DoReadGPR(void *buf) {
76   return NativeProcessNetBSD::PtraceWrapper(PT_GETREGS, GetProcessPid(), buf,
77                                             m_thread.GetID());
78 }
79 
80 Status NativeRegisterContextNetBSD::DoWriteGPR(void *buf) {
81   return NativeProcessNetBSD::PtraceWrapper(PT_SETREGS, GetProcessPid(), buf,
82                                             m_thread.GetID());
83 }
84 
85 Status NativeRegisterContextNetBSD::DoReadFPR(void *buf) {
86   return NativeProcessNetBSD::PtraceWrapper(PT_GETFPREGS, GetProcessPid(), buf,
87                                             m_thread.GetID());
88 }
89 
90 Status NativeRegisterContextNetBSD::DoWriteFPR(void *buf) {
91   return NativeProcessNetBSD::PtraceWrapper(PT_SETFPREGS, GetProcessPid(), buf,
92                                             m_thread.GetID());
93 }
94 
95 Status NativeRegisterContextNetBSD::DoReadDBR(void *buf) {
96   return NativeProcessNetBSD::PtraceWrapper(PT_GETDBREGS, GetProcessPid(), buf,
97                                             m_thread.GetID());
98 }
99 
100 Status NativeRegisterContextNetBSD::DoWriteDBR(void *buf) {
101   return NativeProcessNetBSD::PtraceWrapper(PT_SETDBREGS, GetProcessPid(), buf,
102                                             m_thread.GetID());
103 }
104 
105 NativeProcessNetBSD &NativeRegisterContextNetBSD::GetProcess() {
106   return static_cast<NativeProcessNetBSD &>(m_thread.GetProcess());
107 }
108 
109 ::pid_t NativeRegisterContextNetBSD::GetProcessPid() {
110   return GetProcess().GetID();
111 }
112