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
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
//===-- ThreadMemory.cpp ----------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "Plugins/Process/Utility/ThreadMemory.h"
#include "lldb/Target/OperatingSystem.h"
#include "lldb/Target/RegisterContext.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/StopInfo.h"
#include "lldb/Target/Unwind.h"
#include "Plugins/Process/Utility/RegisterContextThreadMemory.h"
using namespace lldb;
using namespace lldb_private;
ThreadMemory::ThreadMemory (Process &process,
tid_t tid,
const ValueObjectSP &thread_info_valobj_sp) :
Thread (process, tid),
m_backing_thread_sp (),
m_thread_info_valobj_sp (thread_info_valobj_sp),
m_name(),
m_queue()
{
}
ThreadMemory::ThreadMemory (Process &process,
lldb::tid_t tid,
const char *name,
const char *queue,
lldb::addr_t register_data_addr) :
Thread (process, tid),
m_backing_thread_sp (),
m_thread_info_valobj_sp (),
m_name(),
m_queue(),
m_register_data_addr (register_data_addr)
{
if (name)
m_name = name;
if (queue)
m_queue = queue;
}
ThreadMemory::~ThreadMemory()
{
DestroyThread();
}
void
ThreadMemory::WillResume (StateType resume_state)
{
if (m_backing_thread_sp)
m_backing_thread_sp->WillResume(resume_state);
}
void
ThreadMemory::ClearStackFrames ()
{
if (m_backing_thread_sp)
m_backing_thread_sp->ClearStackFrames();
Thread::ClearStackFrames();
}
RegisterContextSP
ThreadMemory::GetRegisterContext ()
{
if (!m_reg_context_sp)
m_reg_context_sp.reset (new RegisterContextThreadMemory (*this, m_register_data_addr));
return m_reg_context_sp;
}
RegisterContextSP
ThreadMemory::CreateRegisterContextForFrame (StackFrame *frame)
{
RegisterContextSP reg_ctx_sp;
uint32_t concrete_frame_idx = 0;
if (frame)
concrete_frame_idx = frame->GetConcreteFrameIndex ();
if (concrete_frame_idx == 0)
{
reg_ctx_sp = GetRegisterContext ();
}
else
{
Unwind *unwinder = GetUnwinder ();
if (unwinder)
reg_ctx_sp = unwinder->CreateRegisterContextForFrame (frame);
}
return reg_ctx_sp;
}
bool
ThreadMemory::CalculateStopInfo ()
{
if (m_backing_thread_sp)
{
lldb::StopInfoSP backing_stop_info_sp (m_backing_thread_sp->GetPrivateStopInfo());
if (backing_stop_info_sp)
{
backing_stop_info_sp->SetThread (shared_from_this());
SetStopInfo (backing_stop_info_sp);
return true;
}
}
else
{
ProcessSP process_sp (GetProcess());
if (process_sp)
{
OperatingSystem *os = process_sp->GetOperatingSystem ();
if (os)
{
SetStopInfo (os->CreateThreadStopReason (this));
return true;
}
}
}
return false;
}
void
ThreadMemory::RefreshStateAfterStop()
{
if (m_backing_thread_sp)
return m_backing_thread_sp->RefreshStateAfterStop();
if (m_reg_context_sp)
m_reg_context_sp->InvalidateAllRegisters();
}
|
