Import lldb as of SVN r188801

(A number of files not required for the FreeBSD build have been removed.)

Sponsored by:	DARPA, AFRL

1 files changed, 94 insertions, 0 deletions

diff --git a/include/lldb/Target/ThreadPlanStepRange.h b/include/lldb/Target/ThreadPlanStepRange.h
new file mode 100644
index 000000000000..486fd6528390
--- /dev/null
+++ b/include/lldb/Target/ThreadPlanStepRange.h
@@ -0,0 +1,94 @@
+//===-- ThreadPlanStepRange.h -----------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef liblldb_ThreadPlanStepRange_h_
+#define liblldb_ThreadPlanStepRange_h_
+
+// C Includes
+// C++ Includes
+// Other libraries and framework includes
+// Project includes
+#include "lldb/Core/AddressRange.h"
+#include "lldb/Target/StackID.h"
+#include "lldb/Target/Thread.h"
+#include "lldb/Target/ThreadPlan.h"
+#include "lldb/Target/ThreadPlanShouldStopHere.h"
+
+namespace lldb_private {
+
+class ThreadPlanStepRange : public ThreadPlan
+{
+public:
+    ThreadPlanStepRange (ThreadPlanKind kind,
+                         const char *name,
+                         Thread &thread,
+                         const AddressRange &range,
+                         const SymbolContext &addr_context,
+                         lldb::RunMode stop_others);
+
+    virtual ~ThreadPlanStepRange ();
+
+    virtual void GetDescription (Stream *s, lldb::DescriptionLevel level) = 0;
+    virtual bool ValidatePlan (Stream *error);
+    virtual bool ShouldStop (Event *event_ptr) = 0;
+    virtual Vote ShouldReportStop (Event *event_ptr);
+    virtual bool StopOthers ();
+    virtual lldb::StateType GetPlanRunState ();
+    virtual bool WillStop ();
+    virtual bool MischiefManaged ();
+    virtual void DidPush ();
+    virtual bool IsPlanStale ();
+
+
+    void AddRange(const AddressRange &new_range);
+
+protected:
+
+    bool InRange();
+    lldb::FrameComparison CompareCurrentFrameToStartFrame();
+    bool InSymbol();
+    void DumpRanges (Stream *s);
+    
+    Disassembler *
+    GetDisassembler ();
+
+    InstructionList *
+    GetInstructionsForAddress(lldb::addr_t addr, size_t &range_index, size_t &insn_offset);
+    
+    // Pushes a plan to proceed through the next section of instructions in the range - usually just a RunToAddress
+    // plan to run to the next branch.  Returns true if it pushed such a plan.  If there was no available 'quick run'
+    // plan, then just single step.
+    bool
+    SetNextBranchBreakpoint ();
+    
+    void
+    ClearNextBranchBreakpoint();
+    
+    bool
+    NextRangeBreakpointExplainsStop (lldb::StopInfoSP stop_info_sp);
+    
+    SymbolContext             m_addr_context;
+    std::vector<AddressRange> m_address_ranges;
+    lldb::RunMode             m_stop_others;
+    StackID                   m_stack_id;        // Use the stack ID so we can tell step out from step in.
+    bool                      m_no_more_plans;   // Need this one so we can tell if we stepped into a call,
+                                                 // but can't continue, in which case we are done.
+    bool                      m_first_run_event; // We want to broadcast only one running event, our first.
+    lldb::BreakpointSP        m_next_branch_bp_sp;
+    bool                      m_use_fast_step;
+
+private:
+    std::vector<lldb::DisassemblerSP> m_instruction_ranges;
+    DISALLOW_COPY_AND_ASSIGN (ThreadPlanStepRange);
+
+};
+
+} // namespace lldb_private
+
+#endif  // liblldb_ThreadPlanStepRange_h_