xref: /freebsd/contrib/llvm-project/lldb/source/API/SBQueueItem.cpp (revision a4e5e0106ac7145f56eb39a691e302cabb4635be)
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/API/SBAddress.h"
12 #include "lldb/API/SBQueueItem.h"
13 #include "lldb/API/SBThread.h"
14 #include "lldb/Core/Address.h"
15 #include "lldb/Target/Process.h"
16 #include "lldb/Target/QueueItem.h"
17 #include "lldb/Target/Thread.h"
18 #include "lldb/Utility/Instrumentation.h"
19 
20 using namespace lldb;
21 using namespace lldb_private;
22 
23 // Constructors
24 SBQueueItem::SBQueueItem() { LLDB_INSTRUMENT_VA(this); }
25 
26 SBQueueItem::SBQueueItem(const QueueItemSP &queue_item_sp)
27     : m_queue_item_sp(queue_item_sp) {
28   LLDB_INSTRUMENT_VA(this, queue_item_sp);
29 }
30 
31 // Destructor
32 SBQueueItem::~SBQueueItem() { m_queue_item_sp.reset(); }
33 
34 bool SBQueueItem::IsValid() const {
35   LLDB_INSTRUMENT_VA(this);
36   return this->operator bool();
37 }
38 SBQueueItem::operator bool() const {
39   LLDB_INSTRUMENT_VA(this);
40 
41   return m_queue_item_sp.get() != nullptr;
42 }
43 
44 void SBQueueItem::Clear() {
45   LLDB_INSTRUMENT_VA(this);
46 
47   m_queue_item_sp.reset();
48 }
49 
50 void SBQueueItem::SetQueueItem(const QueueItemSP &queue_item_sp) {
51   LLDB_INSTRUMENT_VA(this, queue_item_sp);
52 
53   m_queue_item_sp = queue_item_sp;
54 }
55 
56 lldb::QueueItemKind SBQueueItem::GetKind() const {
57   LLDB_INSTRUMENT_VA(this);
58 
59   QueueItemKind result = eQueueItemKindUnknown;
60   if (m_queue_item_sp) {
61     result = m_queue_item_sp->GetKind();
62   }
63   return result;
64 }
65 
66 void SBQueueItem::SetKind(lldb::QueueItemKind kind) {
67   LLDB_INSTRUMENT_VA(this, kind);
68 
69   if (m_queue_item_sp) {
70     m_queue_item_sp->SetKind(kind);
71   }
72 }
73 
74 SBAddress SBQueueItem::GetAddress() const {
75   LLDB_INSTRUMENT_VA(this);
76 
77   SBAddress result;
78   if (m_queue_item_sp) {
79     result.SetAddress(m_queue_item_sp->GetAddress());
80   }
81   return result;
82 }
83 
84 void SBQueueItem::SetAddress(SBAddress addr) {
85   LLDB_INSTRUMENT_VA(this, addr);
86 
87   if (m_queue_item_sp) {
88     m_queue_item_sp->SetAddress(addr.ref());
89   }
90 }
91 
92 SBThread SBQueueItem::GetExtendedBacktraceThread(const char *type) {
93   LLDB_INSTRUMENT_VA(this, type);
94 
95   SBThread result;
96   if (m_queue_item_sp) {
97     ProcessSP process_sp = m_queue_item_sp->GetProcessSP();
98     Process::StopLocker stop_locker;
99     if (process_sp && stop_locker.TryLock(&process_sp->GetRunLock())) {
100       ThreadSP thread_sp;
101       ConstString type_const(type);
102       thread_sp = m_queue_item_sp->GetExtendedBacktraceThread(type_const);
103       if (thread_sp) {
104         // Save this in the Process' ExtendedThreadList so a strong pointer
105         // retains the object
106         process_sp->GetExtendedThreadList().AddThread(thread_sp);
107         result.SetThread(thread_sp);
108       }
109     }
110   }
111   return result;
112 }
113