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1//===-- ThreadGDBRemote.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-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef LLDB_SOURCE_PLUGINS_PROCESS_GDB_REMOTE_THREADGDBREMOTE_H10#define LLDB_SOURCE_PLUGINS_PROCESS_GDB_REMOTE_THREADGDBREMOTE_H11 12#include <string>13 14#include "lldb/Target/Thread.h"15#include "lldb/Utility/StructuredData.h"16 17#include "GDBRemoteRegisterContext.h"18 19class StringExtractor;20 21namespace lldb_private {22class Process;23 24namespace process_gdb_remote {25 26class ProcessGDBRemote;27 28class ThreadGDBRemote : public Thread {29public:30 ThreadGDBRemote(Process &process, lldb::tid_t tid);31 32 ~ThreadGDBRemote() override;33 34 void WillResume(lldb::StateType resume_state) override;35 36 void RefreshStateAfterStop() override;37 38 const char *GetName() override;39 40 const char *GetQueueName() override;41 42 lldb::QueueKind GetQueueKind() override;43 44 lldb::queue_id_t GetQueueID() override;45 46 lldb::QueueSP GetQueue() override;47 48 lldb::addr_t GetQueueLibdispatchQueueAddress() override;49 50 void SetQueueLibdispatchQueueAddress(lldb::addr_t dispatch_queue_t) override;51 52 bool ThreadHasQueueInformation() const override;53 54 lldb::RegisterContextSP GetRegisterContext() override;55 56 lldb::RegisterContextSP57 CreateRegisterContextForFrame(StackFrame *frame) override;58 59 void Dump(Log *log, uint32_t index);60 61 static bool ThreadIDIsValid(lldb::tid_t thread);62 63 bool ShouldStop(bool &step_more);64 65 const char *GetBasicInfoAsString();66 67 void SetName(const char *name) override {68 if (name && name[0])69 m_thread_name.assign(name);70 else71 m_thread_name.clear();72 }73 74 lldb::addr_t GetThreadDispatchQAddr() { return m_thread_dispatch_qaddr; }75 76 void SetThreadDispatchQAddr(lldb::addr_t thread_dispatch_qaddr) {77 m_thread_dispatch_qaddr = thread_dispatch_qaddr;78 }79 80 void ClearQueueInfo();81 82 void SetQueueInfo(std::string &&queue_name, lldb::QueueKind queue_kind,83 uint64_t queue_serial, lldb::addr_t dispatch_queue_t,84 lldb_private::LazyBool associated_with_libdispatch_queue);85 86 lldb_private::LazyBool GetAssociatedWithLibdispatchQueue() override;87 88 void SetAssociatedWithLibdispatchQueue(89 lldb_private::LazyBool associated_with_libdispatch_queue) override;90 91 StructuredData::ObjectSP FetchThreadExtendedInfo() override;92 93protected:94 friend class ProcessGDBRemote;95 96 std::string m_thread_name;97 std::string m_dispatch_queue_name;98 lldb::addr_t m_thread_dispatch_qaddr;99 lldb::addr_t m_dispatch_queue_t;100 lldb::QueueKind101 m_queue_kind; // Queue info from stop reply/stop info for thread102 uint64_t103 m_queue_serial_number; // Queue info from stop reply/stop info for thread104 lldb_private::LazyBool m_associated_with_libdispatch_queue;105 106 GDBRemoteDynamicRegisterInfoSP m_reg_info_sp;107 108 bool PrivateSetRegisterValue(uint32_t reg, llvm::ArrayRef<uint8_t> data);109 110 bool PrivateSetRegisterValue(uint32_t reg, uint64_t regval);111 112 bool CachedQueueInfoIsValid() const {113 return m_queue_kind != lldb::eQueueKindUnknown;114 }115 void SetStopInfoFromPacket(StringExtractor &stop_packet, uint32_t stop_id);116 117 bool CalculateStopInfo() override;118 119 llvm::Expected<std::unique_ptr<llvm::MemoryBuffer>>120 GetSiginfo(size_t max_size) const override;121};122 123} // namespace process_gdb_remote124} // namespace lldb_private125 126#endif // LLDB_SOURCE_PLUGINS_PROCESS_GDB_REMOTE_THREADGDBREMOTE_H127