xref: /freebsd/contrib/llvm-project/lldb/include/lldb/Host/common/NativeThreadProtocol.h (revision 04eeddc0aa8e0a417a16eaf9d7d095207f4a8623)
1 //===-- NativeThreadProtocol.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_HOST_COMMON_NATIVETHREADPROTOCOL_H
10 #define LLDB_HOST_COMMON_NATIVETHREADPROTOCOL_H
11 
12 #include <memory>
13 
14 #include "lldb/Host/Debug.h"
15 #include "lldb/Utility/UnimplementedError.h"
16 #include "lldb/lldb-private-forward.h"
17 #include "lldb/lldb-types.h"
18 
19 #include "llvm/Support/Error.h"
20 #include "llvm/Support/MemoryBuffer.h"
21 
22 namespace lldb_private {
23 // NativeThreadProtocol
24 class NativeThreadProtocol {
25 public:
26   NativeThreadProtocol(NativeProcessProtocol &process, lldb::tid_t tid);
27 
28   virtual ~NativeThreadProtocol() = default;
29 
30   virtual std::string GetName() = 0;
31 
32   virtual lldb::StateType GetState() = 0;
33 
34   virtual NativeRegisterContext &GetRegisterContext() = 0;
35 
36   virtual bool GetStopReason(ThreadStopInfo &stop_info,
37                              std::string &description) = 0;
38 
GetID()39   lldb::tid_t GetID() const { return m_tid; }
40 
GetProcess()41   NativeProcessProtocol &GetProcess() { return m_process; }
42 
43   // Thread-specific watchpoints
44   virtual Status SetWatchpoint(lldb::addr_t addr, size_t size,
45                                uint32_t watch_flags, bool hardware) = 0;
46 
47   virtual Status RemoveWatchpoint(lldb::addr_t addr) = 0;
48 
49   // Thread-specific Hardware Breakpoint routines
50   virtual Status SetHardwareBreakpoint(lldb::addr_t addr, size_t size) = 0;
51 
52   virtual Status RemoveHardwareBreakpoint(lldb::addr_t addr) = 0;
53 
54   virtual llvm::Expected<std::unique_ptr<llvm::MemoryBuffer>>
GetSiginfo()55   GetSiginfo() const {
56     return llvm::make_error<UnimplementedError>();
57   }
58 
59 protected:
60   NativeProcessProtocol &m_process;
61   lldb::tid_t m_tid;
62 };
63 }
64 
65 #endif // LLDB_HOST_COMMON_NATIVETHREADPROTOCOL_H
66