1 //===-- SBQueueItem.cpp -----------------------------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "lldb/lldb-forward.h"
10 
11 #include "SBReproducerPrivate.h"
12 #include "lldb/API/SBAddress.h"
13 #include "lldb/API/SBQueueItem.h"
14 #include "lldb/API/SBThread.h"
15 #include "lldb/Core/Address.h"
16 #include "lldb/Target/Process.h"
17 #include "lldb/Target/QueueItem.h"
18 #include "lldb/Target/Thread.h"
19 
20 using namespace lldb;
21 using namespace lldb_private;
22 
23 //----------------------------------------------------------------------
24 // Constructors
25 //----------------------------------------------------------------------
26 SBQueueItem::SBQueueItem() : m_queue_item_sp() {
27   LLDB_RECORD_CONSTRUCTOR_NO_ARGS(SBQueueItem);
28 }
29 
30 SBQueueItem::SBQueueItem(const QueueItemSP &queue_item_sp)
31     : m_queue_item_sp(queue_item_sp) {
32   LLDB_RECORD_CONSTRUCTOR(SBQueueItem, (const lldb::QueueItemSP &),
33                           queue_item_sp);
34 }
35 
36 //----------------------------------------------------------------------
37 // Destructor
38 //----------------------------------------------------------------------
39 SBQueueItem::~SBQueueItem() { m_queue_item_sp.reset(); }
40 
41 bool SBQueueItem::IsValid() const {
42   LLDB_RECORD_METHOD_CONST_NO_ARGS(bool, SBQueueItem, IsValid);
43   return this->operator bool();
44 }
45 SBQueueItem::operator bool() const {
46   LLDB_RECORD_METHOD_CONST_NO_ARGS(bool, SBQueueItem, operator bool);
47 
48   return m_queue_item_sp.get() != NULL;
49 }
50 
51 void SBQueueItem::Clear() {
52   LLDB_RECORD_METHOD_NO_ARGS(void, SBQueueItem, Clear);
53 
54   m_queue_item_sp.reset();
55 }
56 
57 void SBQueueItem::SetQueueItem(const QueueItemSP &queue_item_sp) {
58   LLDB_RECORD_METHOD(void, SBQueueItem, SetQueueItem,
59                      (const lldb::QueueItemSP &), queue_item_sp);
60 
61   m_queue_item_sp = queue_item_sp;
62 }
63 
64 lldb::QueueItemKind SBQueueItem::GetKind() const {
65   LLDB_RECORD_METHOD_CONST_NO_ARGS(lldb::QueueItemKind, SBQueueItem, GetKind);
66 
67   QueueItemKind result = eQueueItemKindUnknown;
68   if (m_queue_item_sp) {
69     result = m_queue_item_sp->GetKind();
70   }
71   return result;
72 }
73 
74 void SBQueueItem::SetKind(lldb::QueueItemKind kind) {
75   LLDB_RECORD_METHOD(void, SBQueueItem, SetKind, (lldb::QueueItemKind), kind);
76 
77   if (m_queue_item_sp) {
78     m_queue_item_sp->SetKind(kind);
79   }
80 }
81 
82 SBAddress SBQueueItem::GetAddress() const {
83   LLDB_RECORD_METHOD_CONST_NO_ARGS(lldb::SBAddress, SBQueueItem, GetAddress);
84 
85   SBAddress result;
86   if (m_queue_item_sp) {
87     result.SetAddress(&m_queue_item_sp->GetAddress());
88   }
89   return LLDB_RECORD_RESULT(result);
90 }
91 
92 void SBQueueItem::SetAddress(SBAddress addr) {
93   LLDB_RECORD_METHOD(void, SBQueueItem, SetAddress, (lldb::SBAddress), addr);
94 
95   if (m_queue_item_sp) {
96     m_queue_item_sp->SetAddress(addr.ref());
97   }
98 }
99 
100 SBThread SBQueueItem::GetExtendedBacktraceThread(const char *type) {
101   LLDB_RECORD_METHOD(lldb::SBThread, SBQueueItem, GetExtendedBacktraceThread,
102                      (const char *), type);
103 
104   SBThread result;
105   if (m_queue_item_sp) {
106     ProcessSP process_sp = m_queue_item_sp->GetProcessSP();
107     Process::StopLocker stop_locker;
108     if (process_sp && stop_locker.TryLock(&process_sp->GetRunLock())) {
109       ThreadSP thread_sp;
110       ConstString type_const(type);
111       thread_sp = m_queue_item_sp->GetExtendedBacktraceThread(type_const);
112       if (thread_sp) {
113         // Save this in the Process' ExtendedThreadList so a strong pointer
114         // retains the object
115         process_sp->GetExtendedThreadList().AddThread(thread_sp);
116         result.SetThread(thread_sp);
117       }
118     }
119   }
120   return LLDB_RECORD_RESULT(result);
121 }
122 
123 namespace lldb_private {
124 namespace repro {
125 
126 template <>
127 void RegisterMethods<SBQueueItem>(Registry &R) {
128   LLDB_REGISTER_CONSTRUCTOR(SBQueueItem, ());
129   LLDB_REGISTER_CONSTRUCTOR(SBQueueItem, (const lldb::QueueItemSP &));
130   LLDB_REGISTER_METHOD_CONST(bool, SBQueueItem, IsValid, ());
131   LLDB_REGISTER_METHOD_CONST(bool, SBQueueItem, operator bool, ());
132   LLDB_REGISTER_METHOD(void, SBQueueItem, Clear, ());
133   LLDB_REGISTER_METHOD(void, SBQueueItem, SetQueueItem,
134                        (const lldb::QueueItemSP &));
135   LLDB_REGISTER_METHOD_CONST(lldb::QueueItemKind, SBQueueItem, GetKind, ());
136   LLDB_REGISTER_METHOD(void, SBQueueItem, SetKind, (lldb::QueueItemKind));
137   LLDB_REGISTER_METHOD_CONST(lldb::SBAddress, SBQueueItem, GetAddress, ());
138   LLDB_REGISTER_METHOD(void, SBQueueItem, SetAddress, (lldb::SBAddress));
139   LLDB_REGISTER_METHOD(lldb::SBThread, SBQueueItem,
140                        GetExtendedBacktraceThread, (const char *));
141 }
142 
143 }
144 }
145