vendor/lldb/lldb-r196259

1 files changed, 95 insertions, 0 deletions

diff --git a/source/Plugins/Process/Utility/HistoryThread.cpp b/source/Plugins/Process/Utility/HistoryThread.cpp
new file mode 100644
index 000000000000..521136295fd5
--- /dev/null
+++ b/source/Plugins/Process/Utility/HistoryThread.cpp
@@ -0,0 +1,95 @@
+//===-- 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;
+
+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, LLDB_INVALID_THREAD_ID),
+        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", this);
+}
+
+HistoryThread::~HistoryThread ()
+{
+    Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_OBJECT));
+    if (log)
+        log->Printf ("%p HistoryThread::~HistoryThread (tid=0x%" PRIx64 ")", 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);
+    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;
+}