Initial checkin of lldb code from internal Apple repo.
git-svn-id: https://llvm.org/svn/llvm-project/llvdb/trunk@105619 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/source/Target/ThreadPlanStepOverRange.cpp b/source/Target/ThreadPlanStepOverRange.cpp
new file mode 100644
index 0000000..ea56412
--- /dev/null
+++ b/source/Target/ThreadPlanStepOverRange.cpp
@@ -0,0 +1,119 @@
+//===-- ThreadPlanStepOverRange.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/Target/ThreadPlanStepOverRange.h"
+
+// C Includes
+// C++ Includes
+// Other libraries and framework includes
+// Project includes
+
+#include "lldb/lldb-private-log.h"
+#include "lldb/Core/Log.h"
+#include "lldb/Core/Stream.h"
+#include "lldb/Target/Process.h"
+#include "lldb/Target/RegisterContext.h"
+#include "lldb/Target/Thread.h"
+#include "lldb/Target/ThreadPlanStepOut.h"
+#include "lldb/Target/ThreadPlanStepThrough.h"
+
+using namespace lldb_private;
+
+
+//----------------------------------------------------------------------
+// ThreadPlanStepOverRange: Step through a stack range, either stepping over or into
+// based on the value of \a type.
+//----------------------------------------------------------------------
+
+ThreadPlanStepOverRange::ThreadPlanStepOverRange
+(
+ Thread &thread,
+ const AddressRange &range,
+ const SymbolContext &addr_context,
+ lldb::RunMode stop_others,
+ bool okay_to_discard
+) :
+ ThreadPlanStepRange ("Step range stepping over", thread, range, addr_context, stop_others)
+{
+ SetOkayToDiscard (okay_to_discard);
+}
+
+ThreadPlanStepOverRange::~ThreadPlanStepOverRange ()
+{
+}
+
+void
+ThreadPlanStepOverRange::GetDescription (Stream *s, lldb::DescriptionLevel level)
+{
+ if (level == lldb::eDescriptionLevelBrief)
+ s->Printf("step over");
+ else
+ {
+ s->Printf ("stepping through range (stepping over functions): ");
+ m_address_range.Dump (s, &m_thread.GetProcess(), Address::DumpStyleLoadAddress);
+ }
+}
+
+bool
+ThreadPlanStepOverRange::ShouldStop (Event *event_ptr)
+{
+ Log *log = lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_STEP);
+
+ if (log)
+ {
+ StreamString s;
+ s.Address (m_thread.GetRegisterContext()->GetPC(), m_thread.GetProcess().GetAddressByteSize());
+ log->Printf("ThreadPlanStepOverRange reached %s.", s.GetData());
+ }
+
+ // If we're still in the range, keep going.
+ if (InRange())
+ return false;
+
+ // If we're out of the range but in the same frame or in our caller's frame
+ // then we should stop.
+ // When stepping out we only step if we are forcing running one thread.
+ bool stop_others;
+ if (m_stop_others == lldb::eOnlyThisThread)
+ stop_others = true;
+ else
+ stop_others = false;
+
+ ThreadPlan* new_plan = NULL;
+
+ if (FrameIsOlder())
+ return true;
+ else if (FrameIsYounger())
+ {
+ new_plan = m_thread.QueueThreadPlanForStepOut (false, NULL, true, stop_others, lldb::eVoteNo, lldb::eVoteNoOpinion);
+ }
+ else if (!InSymbol())
+ {
+ // This one is a little tricky. Sometimes we may be in a stub or something similar,
+ // in which case we need to get out of there. But if we are in a stub then it's
+ // likely going to be hard to get out from here. It is probably easiest to step into the
+ // stub, and then it will be straight-forward to step out.
+ new_plan = m_thread.QueueThreadPlanForStepThrough (false, stop_others);
+ }
+
+ if (new_plan == NULL)
+ m_no_more_plans = true;
+ else
+ m_no_more_plans = false;
+
+ if (new_plan == NULL)
+ {
+ // For efficiencies sake, we know we're done here so we don't have to do this
+ // calculation again in MischiefManaged.
+ SetPlanComplete();
+ return true;
+ }
+ else
+ return false;
+}