You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
111 lines
3.1 KiB
111 lines
3.1 KiB
4 months ago
|
//===-- NativeThreadLinux.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_NativeThreadLinux_H_
|
||
|
#define liblldb_NativeThreadLinux_H_
|
||
|
|
||
|
#include "Plugins/Process/Linux/NativeRegisterContextLinux.h"
|
||
|
#include "Plugins/Process/Linux/SingleStepCheck.h"
|
||
|
#include "lldb/Host/common/NativeThreadProtocol.h"
|
||
|
#include "lldb/lldb-private-forward.h"
|
||
|
|
||
|
#include <csignal>
|
||
|
#include <map>
|
||
|
#include <memory>
|
||
|
#include <string>
|
||
|
|
||
|
namespace lldb_private {
|
||
|
namespace process_linux {
|
||
|
|
||
|
class NativeProcessLinux;
|
||
|
|
||
|
class NativeThreadLinux : public NativeThreadProtocol {
|
||
|
friend class NativeProcessLinux;
|
||
|
|
||
|
public:
|
||
|
NativeThreadLinux(NativeProcessLinux &process, lldb::tid_t tid);
|
||
|
|
||
|
// NativeThreadProtocol Interface
|
||
|
std::string GetName() override;
|
||
|
|
||
|
lldb::StateType GetState() override;
|
||
|
|
||
|
bool GetStopReason(ThreadStopInfo &stop_info,
|
||
|
std::string &description) override;
|
||
|
|
||
|
NativeRegisterContextLinux &GetRegisterContext() override {
|
||
|
return *m_reg_context_up;
|
||
|
}
|
||
|
|
||
|
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;
|
||
|
|
||
|
private:
|
||
|
// Interface for friend classes
|
||
|
|
||
|
/// Resumes the thread. If \p signo is anything but
|
||
|
/// LLDB_INVALID_SIGNAL_NUMBER, deliver that signal to the thread.
|
||
|
Status Resume(uint32_t signo);
|
||
|
|
||
|
/// Single steps the thread. If \p signo is anything but
|
||
|
/// LLDB_INVALID_SIGNAL_NUMBER, deliver that signal to the thread.
|
||
|
Status SingleStep(uint32_t signo);
|
||
|
|
||
|
void SetStoppedBySignal(uint32_t signo, const siginfo_t *info = nullptr);
|
||
|
|
||
|
/// Return true if the thread is stopped.
|
||
|
/// If stopped by a signal, indicate the signo in the signo argument.
|
||
|
/// Otherwise, return LLDB_INVALID_SIGNAL_NUMBER.
|
||
|
bool IsStopped(int *signo);
|
||
|
|
||
|
void SetStoppedByExec();
|
||
|
|
||
|
void SetStoppedByBreakpoint();
|
||
|
|
||
|
void SetStoppedByWatchpoint(uint32_t wp_index);
|
||
|
|
||
|
bool IsStoppedAtBreakpoint();
|
||
|
|
||
|
bool IsStoppedAtWatchpoint();
|
||
|
|
||
|
void SetStoppedByTrace();
|
||
|
|
||
|
void SetStoppedWithNoReason();
|
||
|
|
||
|
void SetExited();
|
||
|
|
||
|
Status RequestStop();
|
||
|
|
||
|
// Private interface
|
||
|
void MaybeLogStateChange(lldb::StateType new_state);
|
||
|
|
||
|
NativeProcessLinux &GetProcess();
|
||
|
|
||
|
void SetStopped();
|
||
|
|
||
|
// Member Variables
|
||
|
lldb::StateType m_state;
|
||
|
ThreadStopInfo m_stop_info;
|
||
|
std::unique_ptr<NativeRegisterContextLinux> 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;
|
||
|
std::unique_ptr<SingleStepWorkaround> m_step_workaround;
|
||
|
};
|
||
|
} // namespace process_linux
|
||
|
} // namespace lldb_private
|
||
|
|
||
|
#endif // #ifndef liblldb_NativeThreadLinux_H_
|