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-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLDB_SOURCE_PLUGINS_PROCESS_GDB_REMOTE_THREADGDBREMOTE_H 10 #define LLDB_SOURCE_PLUGINS_PROCESS_GDB_REMOTE_THREADGDBREMOTE_H 11 12 #include <string> 13 14 #include "lldb/Target/Thread.h" 15 #include "lldb/Utility/StructuredData.h" 16 17 class StringExtractor; 18 19 namespace lldb_private { 20 class Process; 21 22 namespace process_gdb_remote { 23 24 class ProcessGDBRemote; 25 26 class ThreadGDBRemote : public Thread { 27 public: 28 ThreadGDBRemote(Process &process, lldb::tid_t tid); 29 30 ~ThreadGDBRemote() override; 31 32 void WillResume(lldb::StateType resume_state) override; 33 34 void RefreshStateAfterStop() override; 35 36 const char *GetName() override; 37 38 const char *GetQueueName() override; 39 40 lldb::QueueKind GetQueueKind() override; 41 42 lldb::queue_id_t GetQueueID() override; 43 44 lldb::QueueSP GetQueue() override; 45 46 lldb::addr_t GetQueueLibdispatchQueueAddress() override; 47 48 void SetQueueLibdispatchQueueAddress(lldb::addr_t dispatch_queue_t) override; 49 50 bool ThreadHasQueueInformation() const override; 51 52 lldb::RegisterContextSP GetRegisterContext() override; 53 54 lldb::RegisterContextSP 55 CreateRegisterContextForFrame(StackFrame *frame) override; 56 57 void Dump(Log *log, uint32_t index); 58 59 static bool ThreadIDIsValid(lldb::tid_t thread); 60 61 bool ShouldStop(bool &step_more); 62 63 const char *GetBasicInfoAsString(); 64 SetName(const char * name)65 void SetName(const char *name) override { 66 if (name && name[0]) 67 m_thread_name.assign(name); 68 else 69 m_thread_name.clear(); 70 } 71 GetThreadDispatchQAddr()72 lldb::addr_t GetThreadDispatchQAddr() { return m_thread_dispatch_qaddr; } 73 SetThreadDispatchQAddr(lldb::addr_t thread_dispatch_qaddr)74 void SetThreadDispatchQAddr(lldb::addr_t thread_dispatch_qaddr) { 75 m_thread_dispatch_qaddr = thread_dispatch_qaddr; 76 } 77 78 void ClearQueueInfo(); 79 80 void SetQueueInfo(std::string &&queue_name, lldb::QueueKind queue_kind, 81 uint64_t queue_serial, lldb::addr_t dispatch_queue_t, 82 lldb_private::LazyBool associated_with_libdispatch_queue); 83 84 lldb_private::LazyBool GetAssociatedWithLibdispatchQueue() override; 85 86 void SetAssociatedWithLibdispatchQueue( 87 lldb_private::LazyBool associated_with_libdispatch_queue) override; 88 89 StructuredData::ObjectSP FetchThreadExtendedInfo() override; 90 91 protected: 92 friend class ProcessGDBRemote; 93 94 std::string m_thread_name; 95 std::string m_dispatch_queue_name; 96 lldb::addr_t m_thread_dispatch_qaddr; 97 lldb::addr_t m_dispatch_queue_t; 98 lldb::QueueKind 99 m_queue_kind; // Queue info from stop reply/stop info for thread 100 uint64_t 101 m_queue_serial_number; // Queue info from stop reply/stop info for thread 102 lldb_private::LazyBool m_associated_with_libdispatch_queue; 103 104 bool PrivateSetRegisterValue(uint32_t reg, llvm::ArrayRef<uint8_t> data); 105 106 bool PrivateSetRegisterValue(uint32_t reg, uint64_t regval); 107 CachedQueueInfoIsValid()108 bool CachedQueueInfoIsValid() const { 109 return m_queue_kind != lldb::eQueueKindUnknown; 110 } 111 void SetStopInfoFromPacket(StringExtractor &stop_packet, uint32_t stop_id); 112 113 bool CalculateStopInfo() override; 114 }; 115 116 } // namespace process_gdb_remote 117 } // namespace lldb_private 118 119 #endif // LLDB_SOURCE_PLUGINS_PROCESS_GDB_REMOTE_THREADGDBREMOTE_H 120