| //===-- 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/HistoryUnwind.h" |
| #include "Plugins/Process/Utility/HistoryThread.h" |
| #include "Plugins/Process/Utility/RegisterContextHistory.h" |
| |
| #include "lldb/Core/Log.h" |
| #include "lldb/Target/StackFrameList.h" |
| #include "lldb/Target/Process.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, 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 () |
| { |
| Mutex::Locker (m_framelist_mutex); // FIXME do not throw away the lock after we acquire it.. |
| 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; |
| } |