lldb/source/Plugins/Process/MacOSX-Kernel/ThreadKDP.h

   1 //===-- ThreadKDP.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_MACOSX_KERNEL_THREADKDP_H
  10 #define LLDB_SOURCE_PLUGINS_PROCESS_MACOSX_KERNEL_THREADKDP_H
  11
  12 #include <string>
  13
  14 #include "lldb/Target/Process.h"
  15 #include "lldb/Target/Thread.h"
  16
  17 class ProcessKDP;
  18
  19 class ThreadKDP : public lldb_private::Thread {
  20 public:
  21   ThreadKDP(lldb_private::Process &process, lldb::tid_t tid);
  22
  23   ~ThreadKDP() override;
  24
  25   void RefreshStateAfterStop() override;
  26
  27   const char *GetName() override;
  28
  29   const char *GetQueueName() override;
  30
  31   lldb::RegisterContextSP GetRegisterContext() override;
  32
  33   lldb::RegisterContextSP
  34   CreateRegisterContextForFrame(lldb_private::StackFrame *frame) override;
  35
  36   void Dump(lldb_private::Log *log, uint32_t index);
  37
  38   static bool ThreadIDIsValid(lldb::tid_t thread);
  39
  40   bool ShouldStop(bool &step_more);
  41
  42   const char *GetBasicInfoAsString();
  43
  44   void SetName(const char *name) override {
  45     if (name && name[0])
  46       m_thread_name.assign(name);
  47     else
  48       m_thread_name.clear();
  49   }
  50
  51   lldb::addr_t GetThreadDispatchQAddr() { return m_thread_dispatch_qaddr; }
  52
  53   void SetThreadDispatchQAddr(lldb::addr_t thread_dispatch_qaddr) {
  54     m_thread_dispatch_qaddr = thread_dispatch_qaddr;
  55   }
  56
  57   void SetStopInfoFrom_KDP_EXCEPTION(
  58       const lldb_private::DataExtractor &exc_reply_packet);
  59
  60 protected:
  61   friend class ProcessKDP;
  62
  63   // Member variables.
  64   std::string m_thread_name;
  65   std::string m_dispatch_queue_name;
  66   lldb::addr_t m_thread_dispatch_qaddr;
  67   lldb::StopInfoSP m_cached_stop_info_sp;
  68   // Protected member functions.
  69   bool CalculateStopInfo() override;
  70 };
  71
  72 #endif // LLDB_SOURCE_PLUGINS_PROCESS_MACOSX_KERNEL_THREADKDP_H