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//===-- ProcessKDP.h --------------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLDB_SOURCE_PLUGINS_PROCESS_MACOSX_KERNEL_PROCESSKDP_H
#define LLDB_SOURCE_PLUGINS_PROCESS_MACOSX_KERNEL_PROCESSKDP_H
#include <list>
#include <vector>
#include "lldb/Core/ThreadSafeValue.h"
#include "lldb/Host/HostThread.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/Thread.h"
#include "lldb/Utility/ArchSpec.h"
#include "lldb/Utility/Broadcaster.h"
#include "lldb/Utility/ConstString.h"
#include "lldb/Utility/Status.h"
#include "lldb/Utility/StreamString.h"
#include "lldb/Utility/StringList.h"
#include "CommunicationKDP.h"
class ThreadKDP;
class ProcessKDP : public lldb_private::Process {
public:
// Constructors and Destructors
static lldb::ProcessSP
CreateInstance(lldb::TargetSP target_sp, lldb::ListenerSP listener_sp,
const lldb_private::FileSpec *crash_file_path);
static void Initialize();
static void DebuggerInitialize(lldb_private::Debugger &debugger);
static void Terminate();
static lldb_private::ConstString GetPluginNameStatic();
static const char *GetPluginDescriptionStatic();
// Constructors and Destructors
ProcessKDP(lldb::TargetSP target_sp, lldb::ListenerSP listener);
~ProcessKDP() override;
// Check if a given Process
bool CanDebug(lldb::TargetSP target_sp,
bool plugin_specified_by_name) override;
lldb_private::CommandObject *GetPluginCommandObject() override;
// Creating a new process, or attaching to an existing one
lldb_private::Status WillLaunch(lldb_private::Module *module) override;
lldb_private::Status
DoLaunch(lldb_private::Module *exe_module,
lldb_private::ProcessLaunchInfo &launch_info) override;
lldb_private::Status WillAttachToProcessWithID(lldb::pid_t pid) override;
lldb_private::Status
WillAttachToProcessWithName(const char *process_name,
bool wait_for_launch) override;
lldb_private::Status DoConnectRemote(llvm::StringRef remote_url) override;
lldb_private::Status DoAttachToProcessWithID(
lldb::pid_t pid,
const lldb_private::ProcessAttachInfo &attach_info) override;
lldb_private::Status DoAttachToProcessWithName(
const char *process_name,
const lldb_private::ProcessAttachInfo &attach_info) override;
void DidAttach(lldb_private::ArchSpec &process_arch) override;
lldb::addr_t GetImageInfoAddress() override;
lldb_private::DynamicLoader *GetDynamicLoader() override;
// PluginInterface protocol
lldb_private::ConstString GetPluginName() override;
uint32_t GetPluginVersion() override;
// Process Control
lldb_private::Status WillResume() override;
lldb_private::Status DoResume() override;
lldb_private::Status DoHalt(bool &caused_stop) override;
lldb_private::Status DoDetach(bool keep_stopped) override;
lldb_private::Status DoSignal(int signal) override;
lldb_private::Status DoDestroy() override;
void RefreshStateAfterStop() override;
// Process Queries
bool IsAlive() override;
// Process Memory
size_t DoReadMemory(lldb::addr_t addr, void *buf, size_t size,
lldb_private::Status &error) override;
size_t DoWriteMemory(lldb::addr_t addr, const void *buf, size_t size,
lldb_private::Status &error) override;
lldb::addr_t DoAllocateMemory(size_t size, uint32_t permissions,
lldb_private::Status &error) override;
lldb_private::Status DoDeallocateMemory(lldb::addr_t ptr) override;
// Process Breakpoints
lldb_private::Status
EnableBreakpointSite(lldb_private::BreakpointSite *bp_site) override;
lldb_private::Status
DisableBreakpointSite(lldb_private::BreakpointSite *bp_site) override;
// Process Watchpoints
lldb_private::Status EnableWatchpoint(lldb_private::Watchpoint *wp,
bool notify = true) override;
lldb_private::Status DisableWatchpoint(lldb_private::Watchpoint *wp,
bool notify = true) override;
CommunicationKDP &GetCommunication() { return m_comm; }
protected:
friend class ThreadKDP;
friend class CommunicationKDP;
// Accessors
bool IsRunning(lldb::StateType state) {
return state == lldb::eStateRunning || IsStepping(state);
}
bool IsStepping(lldb::StateType state) {
return state == lldb::eStateStepping;
}
bool CanResume(lldb::StateType state) { return state == lldb::eStateStopped; }
bool HasExited(lldb::StateType state) { return state == lldb::eStateExited; }
bool GetHostArchitecture(lldb_private::ArchSpec &arch);
bool ProcessIDIsValid() const;
void Clear();
bool UpdateThreadList(lldb_private::ThreadList &old_thread_list,
lldb_private::ThreadList &new_thread_list) override;
enum {
eBroadcastBitAsyncContinue = (1 << 0),
eBroadcastBitAsyncThreadShouldExit = (1 << 1)
};
lldb::ThreadSP GetKernelThread();
/// Broadcaster event bits definitions.
CommunicationKDP m_comm;
lldb_private::Broadcaster m_async_broadcaster;
lldb_private::HostThread m_async_thread;
lldb_private::ConstString m_dyld_plugin_name;
lldb::addr_t m_kernel_load_addr;
lldb::CommandObjectSP m_command_sp;
lldb::ThreadWP m_kernel_thread_wp;
bool StartAsyncThread();
void StopAsyncThread();
static void *AsyncThread(void *arg);
private:
// For ProcessKDP only
ProcessKDP(const ProcessKDP &) = delete;
const ProcessKDP &operator=(const ProcessKDP &) = delete;
};
#endif // LLDB_SOURCE_PLUGINS_PROCESS_MACOSX_KERNEL_PROCESSKDP_H
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