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
|
//===-- ThreadPlanCallUserExpression.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/ThreadPlanCallUserExpression.h"
// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/Breakpoint/Breakpoint.h"
#include "lldb/Breakpoint/BreakpointLocation.h"
#include "lldb/Core/Address.h"
#include "lldb/Core/Log.h"
#include "lldb/Core/Stream.h"
#include "lldb/Expression/DiagnosticManager.h"
#include "lldb/Expression/IRDynamicChecks.h"
#include "lldb/Expression/UserExpression.h"
#include "lldb/Host/HostInfo.h"
#include "lldb/Target/LanguageRuntime.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/RegisterContext.h"
#include "lldb/Target/StopInfo.h"
#include "lldb/Target/Target.h"
#include "lldb/Target/Thread.h"
#include "lldb/Target/ThreadPlanRunToAddress.h"
using namespace lldb;
using namespace lldb_private;
//----------------------------------------------------------------------
// ThreadPlanCallUserExpression: Plan to call a single function
//----------------------------------------------------------------------
ThreadPlanCallUserExpression::ThreadPlanCallUserExpression (Thread &thread,
Address &function,
llvm::ArrayRef<lldb::addr_t> args,
const EvaluateExpressionOptions &options,
lldb::UserExpressionSP &user_expression_sp) :
ThreadPlanCallFunction (thread, function, CompilerType(), args, options),
m_user_expression_sp (user_expression_sp)
{
// User expressions are generally "User generated" so we should set them up to stop when done.
SetIsMasterPlan (true);
SetOkayToDiscard(false);
}
ThreadPlanCallUserExpression::~ThreadPlanCallUserExpression ()
{
}
void
ThreadPlanCallUserExpression::GetDescription (Stream *s, lldb::DescriptionLevel level)
{
if (level == eDescriptionLevelBrief)
s->Printf("User Expression thread plan");
else
ThreadPlanCallFunction::GetDescription (s, level);
}
void
ThreadPlanCallUserExpression::WillPop ()
{
ThreadPlanCallFunction::WillPop();
if (m_user_expression_sp)
m_user_expression_sp.reset();
}
bool
ThreadPlanCallUserExpression::MischiefManaged ()
{
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_STEP));
if (IsPlanComplete())
{
if (log)
log->Printf("ThreadPlanCallFunction(%p): Completed call function plan.",
static_cast<void*>(this));
if (m_manage_materialization && PlanSucceeded() && m_user_expression_sp)
{
lldb::addr_t function_stack_top;
lldb::addr_t function_stack_bottom;
lldb::addr_t function_stack_pointer = GetFunctionStackPointer();
function_stack_bottom = function_stack_pointer - HostInfo::GetPageSize();
function_stack_top = function_stack_pointer;
DiagnosticManager diagnostics;
ExecutionContext exe_ctx(GetThread());
m_user_expression_sp->FinalizeJITExecution(diagnostics, exe_ctx, m_result_var_sp, function_stack_bottom,
function_stack_top);
}
ThreadPlan::MischiefManaged();
return true;
}
else
{
return false;
}
}
StopInfoSP
ThreadPlanCallUserExpression::GetRealStopInfo()
{
StopInfoSP stop_info_sp = ThreadPlanCallFunction::GetRealStopInfo();
if (stop_info_sp)
{
lldb::addr_t addr = GetStopAddress();
DynamicCheckerFunctions *checkers = m_thread.GetProcess()->GetDynamicCheckers();
StreamString s;
if (checkers && checkers->DoCheckersExplainStop(addr, s))
stop_info_sp->SetDescription(s.GetData());
}
return stop_info_sp;
}
|
