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
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
|
//===-- ThreadPlanPython.cpp ------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lldb/Target/ThreadPlan.h"
#include "lldb/Core/Debugger.h"
#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Interpreter/ScriptInterpreter.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/RegisterContext.h"
#include "lldb/Target/Target.h"
#include "lldb/Target/Thread.h"
#include "lldb/Target/ThreadPlan.h"
#include "lldb/Target/ThreadPlanPython.h"
#include "lldb/Utility/Log.h"
#include "lldb/Utility/State.h"
using namespace lldb;
using namespace lldb_private;
//----------------------------------------------------------------------
// ThreadPlanPython
//----------------------------------------------------------------------
ThreadPlanPython::ThreadPlanPython(Thread &thread, const char *class_name)
: ThreadPlan(ThreadPlan::eKindPython, "Python based Thread Plan", thread,
eVoteNoOpinion, eVoteNoOpinion),
m_class_name(class_name), m_did_push(false) {
SetIsMasterPlan(true);
SetOkayToDiscard(true);
SetPrivate(false);
}
ThreadPlanPython::~ThreadPlanPython() {
// FIXME, do I need to decrement the ref count on this implementation object
// to make it go away?
}
bool ThreadPlanPython::ValidatePlan(Stream *error) {
if (!m_did_push)
return true;
if (!m_implementation_sp) {
if (error)
error->Printf("Python thread plan does not have an implementation");
return false;
}
return true;
}
void ThreadPlanPython::DidPush() {
// We set up the script side in DidPush, so that it can push other plans in
// the constructor, and doesn't have to care about the details of DidPush.
m_did_push = true;
if (!m_class_name.empty()) {
ScriptInterpreter *script_interp = m_thread.GetProcess()
->GetTarget()
.GetDebugger()
.GetCommandInterpreter()
.GetScriptInterpreter();
if (script_interp) {
m_implementation_sp = script_interp->CreateScriptedThreadPlan(
m_class_name.c_str(), this->shared_from_this());
}
}
}
bool ThreadPlanPython::ShouldStop(Event *event_ptr) {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_THREAD));
if (log)
log->Printf("%s called on Python Thread Plan: %s )", LLVM_PRETTY_FUNCTION,
m_class_name.c_str());
bool should_stop = true;
if (m_implementation_sp) {
ScriptInterpreter *script_interp = m_thread.GetProcess()
->GetTarget()
.GetDebugger()
.GetCommandInterpreter()
.GetScriptInterpreter();
if (script_interp) {
bool script_error;
should_stop = script_interp->ScriptedThreadPlanShouldStop(
m_implementation_sp, event_ptr, script_error);
if (script_error)
SetPlanComplete(false);
}
}
return should_stop;
}
bool ThreadPlanPython::IsPlanStale() {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_THREAD));
if (log)
log->Printf("%s called on Python Thread Plan: %s )", LLVM_PRETTY_FUNCTION,
m_class_name.c_str());
bool is_stale = true;
if (m_implementation_sp) {
ScriptInterpreter *script_interp = m_thread.GetProcess()
->GetTarget()
.GetDebugger()
.GetCommandInterpreter()
.GetScriptInterpreter();
if (script_interp) {
bool script_error;
is_stale = script_interp->ScriptedThreadPlanIsStale(m_implementation_sp,
script_error);
if (script_error)
SetPlanComplete(false);
}
}
return is_stale;
}
bool ThreadPlanPython::DoPlanExplainsStop(Event *event_ptr) {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_THREAD));
if (log)
log->Printf("%s called on Python Thread Plan: %s )", LLVM_PRETTY_FUNCTION,
m_class_name.c_str());
bool explains_stop = true;
if (m_implementation_sp) {
ScriptInterpreter *script_interp = m_thread.GetProcess()
->GetTarget()
.GetDebugger()
.GetCommandInterpreter()
.GetScriptInterpreter();
if (script_interp) {
bool script_error;
explains_stop = script_interp->ScriptedThreadPlanExplainsStop(
m_implementation_sp, event_ptr, script_error);
if (script_error)
SetPlanComplete(false);
}
}
return explains_stop;
}
bool ThreadPlanPython::MischiefManaged() {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_THREAD));
if (log)
log->Printf("%s called on Python Thread Plan: %s )", LLVM_PRETTY_FUNCTION,
m_class_name.c_str());
bool mischief_managed = true;
if (m_implementation_sp) {
// I don't really need mischief_managed, since it's simpler to just call
// SetPlanComplete in should_stop.
mischief_managed = IsPlanComplete();
if (mischief_managed)
m_implementation_sp.reset();
}
return mischief_managed;
}
lldb::StateType ThreadPlanPython::GetPlanRunState() {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_THREAD));
if (log)
log->Printf("%s called on Python Thread Plan: %s )", LLVM_PRETTY_FUNCTION,
m_class_name.c_str());
lldb::StateType run_state = eStateRunning;
if (m_implementation_sp) {
ScriptInterpreter *script_interp = m_thread.GetProcess()
->GetTarget()
.GetDebugger()
.GetCommandInterpreter()
.GetScriptInterpreter();
if (script_interp) {
bool script_error;
run_state = script_interp->ScriptedThreadPlanGetRunState(
m_implementation_sp, script_error);
}
}
return run_state;
}
// The ones below are not currently exported to Python.
bool ThreadPlanPython::StopOthers() {
// For now Python plans run all threads, but we should add some controls for
// this.
return false;
}
void ThreadPlanPython::GetDescription(Stream *s, lldb::DescriptionLevel level) {
s->Printf("Python thread plan implemented by class %s.",
m_class_name.c_str());
}
bool ThreadPlanPython::WillStop() {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_THREAD));
if (log)
log->Printf("%s called on Python Thread Plan: %s )", LLVM_PRETTY_FUNCTION,
m_class_name.c_str());
return true;
}
|
