1 //===-- SBQueueItem.cpp ---------------------------------------------------===//
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 "lldb/Utility/ReproducerInstrumentation.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 // Constructors
24 SBQueueItem::SBQueueItem() { LLDB_RECORD_CONSTRUCTOR_NO_ARGS(SBQueueItem); }
25 
26 SBQueueItem::SBQueueItem(const QueueItemSP &queue_item_sp)
27     : m_queue_item_sp(queue_item_sp) {
28   LLDB_RECORD_CONSTRUCTOR(SBQueueItem, (const lldb::QueueItemSP &),
29                           queue_item_sp);
30 }
31 
32 // Destructor
33 SBQueueItem::~SBQueueItem() { m_queue_item_sp.reset(); }
34 
35 bool SBQueueItem::IsValid() const {
36   LLDB_RECORD_METHOD_CONST_NO_ARGS(bool, SBQueueItem, IsValid);
37   return this->operator bool();
38 }
39 SBQueueItem::operator bool() const {
40   LLDB_RECORD_METHOD_CONST_NO_ARGS(bool, SBQueueItem, operator bool);
41 
42   return m_queue_item_sp.get() != nullptr;
43 }
44 
45 void SBQueueItem::Clear() {
46   LLDB_RECORD_METHOD_NO_ARGS(void, SBQueueItem, Clear);
47 
48   m_queue_item_sp.reset();
49 }
50 
51 void SBQueueItem::SetQueueItem(const QueueItemSP &queue_item_sp) {
52   LLDB_RECORD_METHOD(void, SBQueueItem, SetQueueItem,
53                      (const lldb::QueueItemSP &), queue_item_sp);
54 
55   m_queue_item_sp = queue_item_sp;
56 }
57 
58 lldb::QueueItemKind SBQueueItem::GetKind() const {
59   LLDB_RECORD_METHOD_CONST_NO_ARGS(lldb::QueueItemKind, SBQueueItem, GetKind);
60 
61   QueueItemKind result = eQueueItemKindUnknown;
62   if (m_queue_item_sp) {
63     result = m_queue_item_sp->GetKind();
64   }
65   return result;
66 }
67 
68 void SBQueueItem::SetKind(lldb::QueueItemKind kind) {
69   LLDB_RECORD_METHOD(void, SBQueueItem, SetKind, (lldb::QueueItemKind), kind);
70 
71   if (m_queue_item_sp) {
72     m_queue_item_sp->SetKind(kind);
73   }
74 }
75 
76 SBAddress SBQueueItem::GetAddress() const {
77   LLDB_RECORD_METHOD_CONST_NO_ARGS(lldb::SBAddress, SBQueueItem, GetAddress);
78 
79   SBAddress result;
80   if (m_queue_item_sp) {
81     result.SetAddress(m_queue_item_sp->GetAddress());
82   }
83   return LLDB_RECORD_RESULT(result);
84 }
85 
86 void SBQueueItem::SetAddress(SBAddress addr) {
87   LLDB_RECORD_METHOD(void, SBQueueItem, SetAddress, (lldb::SBAddress), addr);
88 
89   if (m_queue_item_sp) {
90     m_queue_item_sp->SetAddress(addr.ref());
91   }
92 }
93 
94 SBThread SBQueueItem::GetExtendedBacktraceThread(const char *type) {
95   LLDB_RECORD_METHOD(lldb::SBThread, SBQueueItem, GetExtendedBacktraceThread,
96                      (const char *), type);
97 
98   SBThread result;
99   if (m_queue_item_sp) {
100     ProcessSP process_sp = m_queue_item_sp->GetProcessSP();
101     Process::StopLocker stop_locker;
102     if (process_sp && stop_locker.TryLock(&process_sp->GetRunLock())) {
103       ThreadSP thread_sp;
104       ConstString type_const(type);
105       thread_sp = m_queue_item_sp->GetExtendedBacktraceThread(type_const);
106       if (thread_sp) {
107         // Save this in the Process' ExtendedThreadList so a strong pointer
108         // retains the object
109         process_sp->GetExtendedThreadList().AddThread(thread_sp);
110         result.SetThread(thread_sp);
111       }
112     }
113   }
114   return LLDB_RECORD_RESULT(result);
115 }
116