2946cd7010
to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
220 lines
7.5 KiB
C++
220 lines
7.5 KiB
C++
//===-- ProcessKDP.h --------------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef liblldb_ProcessKDP_h_
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#define liblldb_ProcessKDP_h_
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#include <list>
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#include <vector>
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#include "lldb/Core/ThreadSafeValue.h"
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#include "lldb/Host/HostThread.h"
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#include "lldb/Target/Process.h"
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#include "lldb/Target/Thread.h"
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#include "lldb/Utility/ArchSpec.h"
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#include "lldb/Utility/Broadcaster.h"
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#include "lldb/Utility/ConstString.h"
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#include "lldb/Utility/Status.h"
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#include "lldb/Utility/StreamString.h"
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#include "lldb/Utility/StringList.h"
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#include "CommunicationKDP.h"
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class ThreadKDP;
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class ProcessKDP : public lldb_private::Process {
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public:
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//------------------------------------------------------------------
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// Constructors and Destructors
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//------------------------------------------------------------------
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static lldb::ProcessSP
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CreateInstance(lldb::TargetSP target_sp, lldb::ListenerSP listener_sp,
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const lldb_private::FileSpec *crash_file_path);
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static void Initialize();
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static void DebuggerInitialize(lldb_private::Debugger &debugger);
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static void Terminate();
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static lldb_private::ConstString GetPluginNameStatic();
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static const char *GetPluginDescriptionStatic();
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//------------------------------------------------------------------
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// Constructors and Destructors
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//------------------------------------------------------------------
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ProcessKDP(lldb::TargetSP target_sp, lldb::ListenerSP listener);
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~ProcessKDP() override;
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//------------------------------------------------------------------
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// Check if a given Process
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//------------------------------------------------------------------
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bool CanDebug(lldb::TargetSP target_sp,
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bool plugin_specified_by_name) override;
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lldb_private::CommandObject *GetPluginCommandObject() override;
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//------------------------------------------------------------------
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// Creating a new process, or attaching to an existing one
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//------------------------------------------------------------------
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lldb_private::Status WillLaunch(lldb_private::Module *module) override;
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lldb_private::Status
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DoLaunch(lldb_private::Module *exe_module,
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lldb_private::ProcessLaunchInfo &launch_info) override;
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lldb_private::Status WillAttachToProcessWithID(lldb::pid_t pid) override;
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lldb_private::Status
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WillAttachToProcessWithName(const char *process_name,
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bool wait_for_launch) override;
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lldb_private::Status DoConnectRemote(lldb_private::Stream *strm,
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llvm::StringRef remote_url) override;
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lldb_private::Status DoAttachToProcessWithID(
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lldb::pid_t pid,
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const lldb_private::ProcessAttachInfo &attach_info) override;
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lldb_private::Status DoAttachToProcessWithName(
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const char *process_name,
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const lldb_private::ProcessAttachInfo &attach_info) override;
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void DidAttach(lldb_private::ArchSpec &process_arch) override;
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lldb::addr_t GetImageInfoAddress() override;
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lldb_private::DynamicLoader *GetDynamicLoader() override;
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//------------------------------------------------------------------
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// PluginInterface protocol
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//------------------------------------------------------------------
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lldb_private::ConstString GetPluginName() override;
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uint32_t GetPluginVersion() override;
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//------------------------------------------------------------------
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// Process Control
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//------------------------------------------------------------------
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lldb_private::Status WillResume() override;
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lldb_private::Status DoResume() override;
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lldb_private::Status DoHalt(bool &caused_stop) override;
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lldb_private::Status DoDetach(bool keep_stopped) override;
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lldb_private::Status DoSignal(int signal) override;
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lldb_private::Status DoDestroy() override;
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void RefreshStateAfterStop() override;
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//------------------------------------------------------------------
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// Process Queries
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//------------------------------------------------------------------
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bool IsAlive() override;
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//------------------------------------------------------------------
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// Process Memory
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//------------------------------------------------------------------
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size_t DoReadMemory(lldb::addr_t addr, void *buf, size_t size,
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lldb_private::Status &error) override;
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size_t DoWriteMemory(lldb::addr_t addr, const void *buf, size_t size,
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lldb_private::Status &error) override;
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lldb::addr_t DoAllocateMemory(size_t size, uint32_t permissions,
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lldb_private::Status &error) override;
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lldb_private::Status DoDeallocateMemory(lldb::addr_t ptr) override;
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//----------------------------------------------------------------------
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// Process Breakpoints
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//----------------------------------------------------------------------
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lldb_private::Status
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EnableBreakpointSite(lldb_private::BreakpointSite *bp_site) override;
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lldb_private::Status
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DisableBreakpointSite(lldb_private::BreakpointSite *bp_site) override;
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//----------------------------------------------------------------------
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// Process Watchpoints
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//----------------------------------------------------------------------
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lldb_private::Status EnableWatchpoint(lldb_private::Watchpoint *wp,
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bool notify = true) override;
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lldb_private::Status DisableWatchpoint(lldb_private::Watchpoint *wp,
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bool notify = true) override;
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CommunicationKDP &GetCommunication() { return m_comm; }
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protected:
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friend class ThreadKDP;
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friend class CommunicationKDP;
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//----------------------------------------------------------------------
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// Accessors
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//----------------------------------------------------------------------
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bool IsRunning(lldb::StateType state) {
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return state == lldb::eStateRunning || IsStepping(state);
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}
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bool IsStepping(lldb::StateType state) {
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return state == lldb::eStateStepping;
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}
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bool CanResume(lldb::StateType state) { return state == lldb::eStateStopped; }
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bool HasExited(lldb::StateType state) { return state == lldb::eStateExited; }
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bool GetHostArchitecture(lldb_private::ArchSpec &arch);
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bool ProcessIDIsValid() const;
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void Clear();
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bool UpdateThreadList(lldb_private::ThreadList &old_thread_list,
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lldb_private::ThreadList &new_thread_list) override;
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enum {
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eBroadcastBitAsyncContinue = (1 << 0),
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eBroadcastBitAsyncThreadShouldExit = (1 << 1)
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};
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lldb::ThreadSP GetKernelThread();
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//------------------------------------------------------------------
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/// Broadcaster event bits definitions.
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//------------------------------------------------------------------
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CommunicationKDP m_comm;
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lldb_private::Broadcaster m_async_broadcaster;
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lldb_private::HostThread m_async_thread;
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lldb_private::ConstString m_dyld_plugin_name;
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lldb::addr_t m_kernel_load_addr;
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lldb::CommandObjectSP m_command_sp;
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lldb::ThreadWP m_kernel_thread_wp;
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bool StartAsyncThread();
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void StopAsyncThread();
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static void *AsyncThread(void *arg);
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private:
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//------------------------------------------------------------------
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// For ProcessKDP only
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//------------------------------------------------------------------
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DISALLOW_COPY_AND_ASSIGN(ProcessKDP);
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};
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#endif // liblldb_ProcessKDP_h_
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