102 lines
3.0 KiB
C++
102 lines
3.0 KiB
C++
//===-- HistoryThread.cpp ---------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/lldb-private.h"
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#include "Plugins/Process/Utility/HistoryUnwind.h"
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#include "Plugins/Process/Utility/HistoryThread.h"
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#include "Plugins/Process/Utility/RegisterContextHistory.h"
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#include "lldb/Core/Log.h"
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#include "lldb/Target/StackFrameList.h"
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#include "lldb/Target/Process.h"
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using namespace lldb;
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using namespace lldb_private;
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// Constructor
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HistoryThread::HistoryThread (lldb_private::Process &process,
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lldb::tid_t tid,
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std::vector<lldb::addr_t> pcs,
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uint32_t stop_id,
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bool stop_id_is_valid) :
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Thread (process, tid, true),
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m_framelist_mutex(),
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m_framelist(),
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m_pcs (pcs),
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m_stop_id (stop_id),
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m_stop_id_is_valid (stop_id_is_valid),
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m_extended_unwind_token (LLDB_INVALID_ADDRESS),
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m_queue_name (),
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m_thread_name (),
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m_originating_unique_thread_id (tid),
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m_queue_id (LLDB_INVALID_QUEUE_ID)
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{
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m_unwinder_ap.reset (new HistoryUnwind (*this, pcs, stop_id_is_valid));
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Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_OBJECT));
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if (log)
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log->Printf ("%p HistoryThread::HistoryThread",
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static_cast<void*>(this));
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}
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// Destructor
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HistoryThread::~HistoryThread ()
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{
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Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_OBJECT));
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if (log)
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log->Printf ("%p HistoryThread::~HistoryThread (tid=0x%" PRIx64 ")",
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static_cast<void*>(this), GetID());
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DestroyThread();
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}
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lldb::RegisterContextSP
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HistoryThread::GetRegisterContext ()
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{
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RegisterContextSP rctx ;
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if (m_pcs.size() > 0)
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{
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rctx.reset (new RegisterContextHistory (*this, 0, GetProcess()->GetAddressByteSize(), m_pcs[0]));
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}
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return rctx;
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}
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lldb::RegisterContextSP
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HistoryThread::CreateRegisterContextForFrame (StackFrame *frame)
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{
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return m_unwinder_ap->CreateRegisterContextForFrame (frame);
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}
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lldb::StackFrameListSP
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HistoryThread::GetStackFrameList ()
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{
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Mutex::Locker (m_framelist_mutex); // FIXME do not throw away the lock after we acquire it..
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if (m_framelist.get() == NULL)
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{
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m_framelist.reset (new StackFrameList (*this, StackFrameListSP(), true));
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}
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return m_framelist;
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}
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uint32_t
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HistoryThread::GetExtendedBacktraceOriginatingIndexID ()
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{
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if (m_originating_unique_thread_id != LLDB_INVALID_THREAD_ID)
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{
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if (GetProcess()->HasAssignedIndexIDToThread (m_originating_unique_thread_id))
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{
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return GetProcess()->AssignIndexIDToThread (m_originating_unique_thread_id);
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}
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}
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return LLDB_INVALID_THREAD_ID;
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}
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