xref: /llvm-project/lldb/source/Plugins/Process/mach-core/ThreadMachCore.h (revision 2cab996192cf143d10e3381fcefa75e270cc7ddb)
1 //===-- ThreadMachCore.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_SOURCE_PLUGINS_PROCESS_MACH_CORE_THREADMACHCORE_H
10 #define LLDB_SOURCE_PLUGINS_PROCESS_MACH_CORE_THREADMACHCORE_H
11 
12 #include <string>
13 
14 #include "lldb/Target/Thread.h"
15 
16 class ProcessMachCore;
17 
18 class ThreadMachCore : public lldb_private::Thread {
19 public:
20   ThreadMachCore(lldb_private::Process &process, lldb::tid_t tid,
21                  uint32_t objfile_lc_thread_idx);
22 
23   ~ThreadMachCore() override;
24 
25   void RefreshStateAfterStop() override;
26 
27   const char *GetName() override;
28 
29   lldb::RegisterContextSP GetRegisterContext() override;
30 
31   lldb::RegisterContextSP
32   CreateRegisterContextForFrame(lldb_private::StackFrame *frame) override;
33 
34   static bool ThreadIDIsValid(lldb::tid_t thread);
35 
36   bool ShouldStop(bool &step_more);
37 
38   const char *GetBasicInfoAsString();
39 
SetName(const char * name)40   void SetName(const char *name) override {
41     if (name && name[0])
42       m_thread_name.assign(name);
43     else
44       m_thread_name.clear();
45   }
46 
GetThreadDispatchQAddr()47   lldb::addr_t GetThreadDispatchQAddr() { return m_thread_dispatch_qaddr; }
48 
SetThreadDispatchQAddr(lldb::addr_t thread_dispatch_qaddr)49   void SetThreadDispatchQAddr(lldb::addr_t thread_dispatch_qaddr) {
50     m_thread_dispatch_qaddr = thread_dispatch_qaddr;
51   }
52 
53 protected:
54   friend class ProcessMachCore;
55 
56   // Member variables.
57   std::string m_thread_name;
58   std::string m_dispatch_queue_name;
59   lldb::addr_t m_thread_dispatch_qaddr;
60   lldb::RegisterContextSP m_thread_reg_ctx_sp;
61   uint32_t m_objfile_lc_thread_idx;
62 
63   // Protected member functions.
64   bool CalculateStopInfo() override;
65 };
66 
67 #endif // LLDB_SOURCE_PLUGINS_PROCESS_MACH_CORE_THREADMACHCORE_H
68