1 //===-- NativeRegisterContextOpenBSD.h ---------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #ifndef lldb_NativeRegisterContextOpenBSD_h
11 #define lldb_NativeRegisterContextOpenBSD_h
12 
13 #include "lldb/Host/common/NativeThreadProtocol.h"
14 
15 #include "Plugins/Process/OpenBSD/NativeProcessOpenBSD.h"
16 #include "Plugins/Process/Utility/NativeRegisterContextRegisterInfo.h"
17 
18 namespace lldb_private {
19 namespace process_openbsd {
20 
21 class NativeRegisterContextOpenBSD : public NativeRegisterContextRegisterInfo {
22 public:
23   NativeRegisterContextOpenBSD(NativeThreadProtocol &native_thread,
24                               RegisterInfoInterface *reg_info_interface_p);
25 
26   // This function is implemented in the NativeRegisterContextOpenBSD_*
27   // subclasses to create a new instance of the host specific
28   // NativeRegisterContextOpenBSD. The implementations can't collide as only one
29   // NativeRegisterContextOpenBSD_* variant should be compiled into the final
30   // executable.
31   static std::unique_ptr<NativeRegisterContextOpenBSD>
32   CreateHostNativeRegisterContextOpenBSD(const ArchSpec &target_arch,
33                                         NativeThreadProtocol &native_thread);
34 
35 protected:
36   virtual Status ReadGPR();
37   virtual Status WriteGPR();
38 
39   virtual Status ReadFPR();
40   virtual Status WriteFPR();
41 
GetGPRBuffer()42   virtual void *GetGPRBuffer() { return nullptr; }
GetGPRSize()43   virtual size_t GetGPRSize() {
44     return GetRegisterInfoInterface().GetGPRSize();
45   }
46 
GetFPRBuffer()47   virtual void *GetFPRBuffer() { return nullptr; }
GetFPRSize()48   virtual size_t GetFPRSize() { return 0; }
49 
50   virtual Status DoReadGPR(void *buf);
51   virtual Status DoWriteGPR(void *buf);
52 
53   virtual Status DoReadFPR(void *buf);
54   virtual Status DoWriteFPR(void *buf);
55 
56   virtual NativeProcessOpenBSD &GetProcess();
57   virtual ::pid_t GetProcessPid();
58 };
59 
60 } // namespace process_openbsd
61 } // namespace lldb_private
62 
63 #endif // #ifndef lldb_NativeRegisterContextOpenBSD_h
64