1 //===-- NativeRegisterContextNetBSD.h ---------------------------*- 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 #ifndef lldb_NativeRegisterContextNetBSD_h
10 #define lldb_NativeRegisterContextNetBSD_h
11 
12 #include "lldb/Host/common/NativeThreadProtocol.h"
13 
14 #include "Plugins/Process/NetBSD/NativeProcessNetBSD.h"
15 #include "Plugins/Process/Utility/NativeRegisterContextRegisterInfo.h"
16 
17 namespace lldb_private {
18 namespace process_netbsd {
19 
20 class NativeRegisterContextNetBSD : public NativeRegisterContextRegisterInfo {
21 public:
22   NativeRegisterContextNetBSD(NativeThreadProtocol &native_thread,
23                               RegisterInfoInterface *reg_info_interface_p);
24 
25   // This function is implemented in the NativeRegisterContextNetBSD_*
26   // subclasses to create a new instance of the host specific
27   // NativeRegisterContextNetBSD. The implementations can't collide as only one
28   // NativeRegisterContextNetBSD_* variant should be compiled into the final
29   // executable.
30   static NativeRegisterContextNetBSD *
31   CreateHostNativeRegisterContextNetBSD(const ArchSpec &target_arch,
32                                         NativeThreadProtocol &native_thread);
33 
34 protected:
35   virtual Status ReadGPR();
36   virtual Status WriteGPR();
37 
38   virtual Status ReadFPR();
39   virtual Status WriteFPR();
40 
41   virtual Status ReadDBR();
42   virtual Status WriteDBR();
43 
44   virtual void *GetGPRBuffer() { return nullptr; }
45   virtual size_t GetGPRSize() {
46     return GetRegisterInfoInterface().GetGPRSize();
47   }
48 
49   virtual void *GetFPRBuffer() { return nullptr; }
50   virtual size_t GetFPRSize() { return 0; }
51 
52   virtual void *GetDBRBuffer() { return nullptr; }
53   virtual size_t GetDBRSize() { return 0; }
54 
55   virtual Status DoReadGPR(void *buf);
56   virtual Status DoWriteGPR(void *buf);
57 
58   virtual Status DoReadFPR(void *buf);
59   virtual Status DoWriteFPR(void *buf);
60 
61   virtual Status DoReadDBR(void *buf);
62   virtual Status DoWriteDBR(void *buf);
63 
64   virtual NativeProcessNetBSD &GetProcess();
65   virtual ::pid_t GetProcessPid();
66 };
67 
68 } // namespace process_netbsd
69 } // namespace lldb_private
70 
71 #endif // #ifndef lldb_NativeRegisterContextNetBSD_h
72