summaryrefslogtreecommitdiffstats
path: root/lldb/source/Plugins/Process/Linux/LinuxThread.h
blob: f6253107d2404aeb2b657c985478108ed861ae2e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
//===-- LinuxThread.h -------------------------------------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#ifndef liblldb_LinuxThread_H_
#define liblldb_LinuxThread_H_

// C Includes
// C++ Includes
#include <memory>

// Other libraries and framework includes
#include "lldb/Target/Thread.h"

class ProcessMessage;
class ProcessMonitor;
class RegisterContextLinux;

//------------------------------------------------------------------------------
// @class LinuxThread
// @brief Abstraction of a linux process (thread).
class LinuxThread
    : public lldb_private::Thread
{
public:
    LinuxThread(lldb_private::Process &process, lldb::tid_t tid);

    virtual ~LinuxThread();

    void
    RefreshStateAfterStop();

    bool
    WillResume(lldb::StateType resume_state);

    const char *
    GetInfo();

    virtual lldb::RegisterContextSP
    GetRegisterContext();

    virtual lldb::RegisterContextSP
    CreateRegisterContextForFrame (lldb_private::StackFrame *frame);

    //--------------------------------------------------------------------------
    // These static functions provide a mapping from the register offset
    // back to the register index or name for use in debugging or log
    // output.

    static unsigned
    GetRegisterIndexFromOffset(unsigned offset);

    static const char *
    GetRegisterName(unsigned reg);

    static const char *
    GetRegisterNameFromOffset(unsigned offset);

    //--------------------------------------------------------------------------
    // These methods form a specialized interface to linux threads.
    //
    bool Resume();

    void Notify(const ProcessMessage &message);

private:
    RegisterContextLinux *
    GetRegisterContextLinux ()
    {
        if (!m_reg_context_sp)
            GetRegisterContext();
        return (RegisterContextLinux *)m_reg_context_sp.get();
    }
    
    std::auto_ptr<lldb_private::StackFrame> m_frame_ap;

    lldb::BreakpointSiteSP m_breakpoint;
    lldb::StopInfoSP m_stop_info;

    ProcessMonitor &
    GetMonitor();

    lldb::StopInfoSP
    GetPrivateStopReason();

    void BreakNotify(const ProcessMessage &message);
    void TraceNotify(const ProcessMessage &message);
    void LimboNotify(const ProcessMessage &message);
    void SignalNotify(const ProcessMessage &message);
    void SignalDeliveredNotify(const ProcessMessage &message);
    void CrashNotify(const ProcessMessage &message);

    lldb_private::Unwind *
    GetUnwinder();
};

#endif // #ifndef liblldb_LinuxThread_H_
OpenPOWER on IntegriCloud