//===-- NativeThreadFreeBSD.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 liblldb_NativeThreadFreeBSD_H_
#define liblldb_NativeThreadFreeBSD_H_
#include "lldb/Host/common/NativeThreadProtocol.h"
#include "Plugins/Process/FreeBSD/NativeRegisterContextFreeBSD.h"
#include <csignal>
#include <map>
#include <string>
namespace lldb_private {
namespace process_freebsd {
class NativeProcessFreeBSD;
class NativeThreadFreeBSD : public NativeThreadProtocol {
friend class NativeProcessFreeBSD;
public:
NativeThreadFreeBSD(NativeProcessFreeBSD &process, lldb::tid_t tid);
// NativeThreadProtocol Interface
std::string GetName() override;
lldb::StateType GetState() override;
bool GetStopReason(ThreadStopInfo &stop_info,
std::string &description) override;
NativeRegisterContextFreeBSD &GetRegisterContext() override;
Status SetWatchpoint(lldb::addr_t addr, size_t size, uint32_t watch_flags,
bool hardware) override;
Status RemoveWatchpoint(lldb::addr_t addr) override;
Status SetHardwareBreakpoint(lldb::addr_t addr, size_t size) override;
Status RemoveHardwareBreakpoint(lldb::addr_t addr) override;
NativeProcessFreeBSD &GetProcess();
llvm::Expected<std::unique_ptr<llvm::MemoryBuffer>>
GetSiginfo() const override;
private:
// Interface for friend classes
Status Resume();
Status SingleStep();
Status Suspend();
void SetStoppedBySignal(uint32_t signo, const siginfo_t *info = nullptr);
void SetStoppedByBreakpoint();
void SetStoppedByTrace();
void SetStoppedByExec();
void SetStoppedByWatchpoint(uint32_t wp_index);
void SetStoppedByFork(lldb::pid_t child_pid, lldb::tid_t child_tid);
void SetStoppedByVFork(lldb::pid_t child_pid, lldb::tid_t child_tid);
void SetStoppedByVForkDone();
void SetStoppedWithNoReason();
void SetStopped();
void SetRunning();
void SetStepping();
llvm::Error CopyWatchpointsFrom(NativeThreadFreeBSD &source);
// Member Variables
lldb::StateType m_state;
ThreadStopInfo m_stop_info;
std::unique_ptr<NativeRegisterContextFreeBSD> m_reg_context_up;
std::string m_stop_description;
using WatchpointIndexMap = std::map<lldb::addr_t, uint32_t>;
WatchpointIndexMap m_watchpoint_index_map;
WatchpointIndexMap m_hw_break_index_map;
};
typedef std::shared_ptr<NativeThreadFreeBSD> NativeThreadFreeBSDSP;
} // namespace process_freebsd
} // namespace lldb_private
#endif // #ifndef liblldb_NativeThreadFreeBSD_H_