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
|
//===-- HistoryThread.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/lldb-private.h"
#include "Plugins/Process/Utility/HistoryThread.h"
#include "Plugins/Process/Utility/HistoryUnwind.h"
#include "Plugins/Process/Utility/RegisterContextHistory.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/StackFrameList.h"
#include "lldb/Utility/Log.h"
using namespace lldb;
using namespace lldb_private;
// Constructor
HistoryThread::HistoryThread(lldb_private::Process &process, lldb::tid_t tid,
std::vector<lldb::addr_t> pcs, uint32_t stop_id,
bool stop_id_is_valid)
: Thread(process, tid, true), m_framelist_mutex(), m_framelist(),
m_pcs(pcs), m_stop_id(stop_id), m_stop_id_is_valid(stop_id_is_valid),
m_extended_unwind_token(LLDB_INVALID_ADDRESS), m_queue_name(),
m_thread_name(), m_originating_unique_thread_id(tid),
m_queue_id(LLDB_INVALID_QUEUE_ID) {
m_unwinder_ap.reset(new HistoryUnwind(*this, pcs, stop_id_is_valid));
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_OBJECT));
if (log)
log->Printf("%p HistoryThread::HistoryThread", static_cast<void *>(this));
}
// Destructor
HistoryThread::~HistoryThread() {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_OBJECT));
if (log)
log->Printf("%p HistoryThread::~HistoryThread (tid=0x%" PRIx64 ")",
static_cast<void *>(this), GetID());
DestroyThread();
}
lldb::RegisterContextSP HistoryThread::GetRegisterContext() {
RegisterContextSP rctx;
if (m_pcs.size() > 0) {
rctx.reset(new RegisterContextHistory(
*this, 0, GetProcess()->GetAddressByteSize(), m_pcs[0]));
}
return rctx;
}
lldb::RegisterContextSP
HistoryThread::CreateRegisterContextForFrame(StackFrame *frame) {
return m_unwinder_ap->CreateRegisterContextForFrame(frame);
}
lldb::StackFrameListSP HistoryThread::GetStackFrameList() {
// FIXME do not throw away the lock after we acquire it..
std::unique_lock<std::mutex> lock(m_framelist_mutex);
lock.unlock();
if (m_framelist.get() == NULL) {
m_framelist.reset(new StackFrameList(*this, StackFrameListSP(), true));
}
return m_framelist;
}
uint32_t HistoryThread::GetExtendedBacktraceOriginatingIndexID() {
if (m_originating_unique_thread_id != LLDB_INVALID_THREAD_ID) {
if (GetProcess()->HasAssignedIndexIDToThread(
m_originating_unique_thread_id)) {
return GetProcess()->AssignIndexIDToThread(
m_originating_unique_thread_id);
}
}
return LLDB_INVALID_THREAD_ID;
}
|
