Import lldb as of SVN r196259 (git 3be86e5)vendor/lldb/lldb-r196259

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

Sponsored by:	DARPA, AFRL

48 files changed, 1567 insertions, 735 deletions

diff --git a/include/lldb/API/SBDebugger.h b/include/lldb/API/SBDebugger.h
index 518cbf67c932..80e6969cbd3a 100644
--- a/include/lldb/API/SBDebugger.h
+++ b/include/lldb/API/SBDebugger.h
@@ -10,9 +10,11 @@
 #ifndef LLDB_SBDebugger_h_
 #define LLDB_SBDebugger_h_
 
-#include "lldb/API/SBDefines.h"
 #include <stdio.h>
 
+#include "lldb/API/SBDefines.h"
+#include "lldb/API/SBPlatform.h"
+
 namespace lldb {
 
 class SBDebugger
@@ -153,6 +155,12 @@ public:
     void
     SetSelectedTarget (SBTarget& target);
 
+    lldb::SBPlatform
+    GetSelectedPlatform();
+
+    void
+    SetSelectedPlatform(lldb::SBPlatform &platform);
+
     lldb::SBSourceManager
     GetSourceManager ();
 
diff --git a/include/lldb/API/SBError.h b/include/lldb/API/SBError.h
index a6d3dacb4549..12b34ec6dbc3 100644
--- a/include/lldb/API/SBError.h
+++ b/include/lldb/API/SBError.h
@@ -72,6 +72,7 @@ protected:
     friend class SBCommunication;
     friend class SBHostOS;
     friend class SBInputReader;
+    friend class SBPlatform;
     friend class SBProcess;
     friend class SBThread;
     friend class SBTarget;
diff --git a/include/lldb/API/SBExpressionOptions.h b/include/lldb/API/SBExpressionOptions.h
index eed9ed528bef..6a3a640432f6 100644
--- a/include/lldb/API/SBExpressionOptions.h
+++ b/include/lldb/API/SBExpressionOptions.h
@@ -65,6 +65,12 @@ public:
     void
     SetTryAllThreads (bool run_others = true);
 
+    bool
+    GetTrapExceptions () const;
+    
+    void
+    SetTrapExceptions (bool trap_exceptions = true);
+
 protected:
 
     SBExpressionOptions (lldb_private::EvaluateExpressionOptions &expression_options);
diff --git a/include/lldb/API/SBFileSpec.h b/include/lldb/API/SBFileSpec.h
index e44abe4759c6..5d4447f74e64 100644
--- a/include/lldb/API/SBFileSpec.h
+++ b/include/lldb/API/SBFileSpec.h
@@ -45,6 +45,12 @@ public:
     const char *
     GetDirectory() const;
 
+    void
+    SetFilename(const char *filename);
+    
+    void
+    SetDirectory(const char *directory);
+
     uint32_t
     GetPath (char *dst_path, size_t dst_len) const;
 
@@ -65,6 +71,7 @@ private:
     friend class SBLineEntry;
     friend class SBModule;
     friend class SBModuleSpec;
+    friend class SBPlatform;
     friend class SBProcess;
     friend class SBSourceManager;
     friend class SBThread;
diff --git a/include/lldb/API/SBModule.h b/include/lldb/API/SBModule.h
index a3c4879aa2f9..f5955b39734d 100644
--- a/include/lldb/API/SBModule.h
+++ b/include/lldb/API/SBModule.h
@@ -76,6 +76,42 @@ public:
     bool
     SetPlatformFileSpec (const lldb::SBFileSpec &platform_file);
 
+    //------------------------------------------------------------------
+    /// Get accessor for the remote install path for a module.
+    ///
+    /// When debugging to a remote platform by connecting to a remote
+    /// platform, the install path of the module can be set. If the
+    /// install path is set, every time the process is about to launch
+    /// the target will install this module on the remote platform prior
+    /// to launching.
+    ///
+    /// @return
+    ///     A file specification object.
+    //------------------------------------------------------------------
+    lldb::SBFileSpec
+    GetRemoteInstallFileSpec ();
+    
+    //------------------------------------------------------------------
+    /// Set accessor for the remote install path for a module.
+    ///
+    /// When debugging to a remote platform by connecting to a remote
+    /// platform, the install path of the module can be set. If the
+    /// install path is set, every time the process is about to launch
+    /// the target will install this module on the remote platform prior
+    /// to launching.
+    ///
+    /// If \a file specifies a full path to an install location, the
+    /// module will be installed to this path. If the path is relative
+    /// (no directory specified, or the path is partial like "usr/lib"
+    /// or "./usr/lib", then the install path will be resolved using
+    /// the platform's current working directory as the base path.
+    ///
+    /// @param[in]
+    ///     A file specification object.
+    //------------------------------------------------------------------
+    bool
+    SetRemoteInstallFileSpec (lldb::SBFileSpec &file);
+    
     lldb::ByteOrder
     GetByteOrder ();
     
diff --git a/include/lldb/API/SBPlatform.h b/include/lldb/API/SBPlatform.h
new file mode 100644
index 000000000000..16a546d81f9b
--- /dev/null
+++ b/include/lldb/API/SBPlatform.h
@@ -0,0 +1,198 @@
+//===-- SBPlatform.h --------------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLDB_SBPlatform_h_
+#define LLDB_SBPlatform_h_
+
+#include "lldb/API/SBDefines.h"
+
+struct PlatformConnectOptions;
+struct PlatformShellCommand;
+
+namespace lldb {
+
+    class SBPlatformConnectOptions
+    {
+    public:
+        SBPlatformConnectOptions (const char *url);
+
+        SBPlatformConnectOptions (const SBPlatformConnectOptions &rhs);
+
+        ~SBPlatformConnectOptions ();
+        
+        void
+        operator=(const SBPlatformConnectOptions &rhs);
+
+        const char *
+        GetURL();
+        
+        void
+        SetURL(const char *url);
+        
+        bool
+        GetRsyncEnabled();
+        
+        void
+        EnableRsync (const char *options,
+                     const char *remote_path_prefix,
+                     bool omit_remote_hostname);
+                     
+        void
+        DisableRsync ();
+        
+        const char *
+        GetLocalCacheDirectory();
+
+        void
+        SetLocalCacheDirectory(const char *path);
+    protected:
+        PlatformConnectOptions *m_opaque_ptr;
+    };
+
+    class SBPlatformShellCommand
+    {
+    public:
+        SBPlatformShellCommand (const char *shell_command);
+        
+        SBPlatformShellCommand (const SBPlatformShellCommand &rhs);
+        
+        ~SBPlatformShellCommand();
+        
+        void
+        Clear();
+
+        const char *
+        GetCommand();
+
+        void
+        SetCommand(const char *shell_command);
+        
+        const char *
+        GetWorkingDirectory ();
+
+        void
+        SetWorkingDirectory (const char *path);
+
+        uint32_t
+        GetTimeoutSeconds ();
+        
+        void
+        SetTimeoutSeconds (uint32_t sec);
+        
+        int
+        GetSignal ();
+        
+        int
+        GetStatus ();
+        
+        const char *
+        GetOutput ();
+
+    protected:
+        friend class SBPlatform;
+
+        PlatformShellCommand *m_opaque_ptr;
+    };
+
+    class SBPlatform
+    {
+    public:
+        
+        SBPlatform ();
+        
+        SBPlatform (const char *platform_name);
+        
+        ~SBPlatform();
+        
+        bool
+        IsValid () const;
+        
+        void
+        Clear ();
+
+        const char *
+        GetWorkingDirectory();
+
+        bool
+        SetWorkingDirectory(const char *path);
+
+        const char *
+        GetName ();
+
+        SBError
+        ConnectRemote (SBPlatformConnectOptions &connect_options);
+
+        void
+        DisconnectRemote ();
+        
+        bool
+        IsConnected();
+
+        //----------------------------------------------------------------------
+        // The following functions will work if the platform is connected
+        //----------------------------------------------------------------------
+        const char *
+        GetTriple();
+
+        const char *
+        GetHostname ();
+        
+        const char *
+        GetOSBuild ();
+        
+        const char *
+        GetOSDescription ();
+
+        uint32_t
+        GetOSMajorVersion ();
+
+        uint32_t
+        GetOSMinorVersion ();
+
+        uint32_t
+        GetOSUpdateVersion ();
+
+        SBError
+        Put (SBFileSpec &src, SBFileSpec &dst);
+        
+        SBError
+        Get (SBFileSpec &src, SBFileSpec &dst);
+
+        SBError
+        Install (SBFileSpec& src, SBFileSpec& dst);
+
+        SBError
+        Run (SBPlatformShellCommand &shell_command);
+
+        SBError
+        MakeDirectory (const char *path, uint32_t file_permissions = eFilePermissionsDirectoryDefault);
+
+        uint32_t
+        GetFilePermissions (const char *path);
+        
+        SBError
+        SetFilePermissions (const char *path, uint32_t file_permissions);
+
+    protected:
+        
+        friend class SBDebugger;
+        friend class SBTarget;
+
+        lldb::PlatformSP
+        GetSP () const;
+        
+        void
+        SetSP (const lldb::PlatformSP& platform_sp);
+
+        lldb::PlatformSP m_opaque_sp;
+    };
+
+} // namespace lldb
+
+#endif // LLDB_SBPlatform_h_
diff --git a/include/lldb/API/SBTarget.h b/include/lldb/API/SBTarget.h
index 7bcf91c16d77..b41c11811549 100644
--- a/include/lldb/API/SBTarget.h
+++ b/include/lldb/API/SBTarget.h
@@ -268,6 +268,23 @@ public:
     GetProcess ();
 
     //------------------------------------------------------------------
+    /// Install any binaries that need to be installed.
+    ///
+    /// This function does nothing when debugging on the host system.
+    /// When connected to remote platforms, the target's main executable
+    /// and any modules that have their remote install path set will be
+    /// installed on the remote platform. If the main executable doesn't
+    /// have an install location set, it will be installed in the remote
+    /// platform's working directory.
+    ///
+    /// @return
+    ///     An error describing anything that went wrong during
+    ///     installation.
+    //------------------------------------------------------------------
+    SBError
+    Install();
+    
+    //------------------------------------------------------------------
     /// Launch a new process.
     ///
     /// Launch a new process by spawning a new process using the
diff --git a/include/lldb/API/SBThread.h b/include/lldb/API/SBThread.h
index d062d7121303..6542dca1f95a 100644
--- a/include/lldb/API/SBThread.h
+++ b/include/lldb/API/SBThread.h
@@ -202,7 +202,10 @@ public:
     GetStatus (lldb::SBStream &status) const;
 
     SBThread
-    GetExtendedBacktrace (const char *type);
+    GetExtendedBacktraceThread (const char *type);
+
+    uint32_t
+    GetExtendedBacktraceOriginatingIndexID ();
 
 protected:
     friend class SBBreakpoint;
diff --git a/include/lldb/Breakpoint/Breakpoint.h b/include/lldb/Breakpoint/Breakpoint.h
index 30cc3314af3a..e82d6eacf7a8 100644
--- a/include/lldb/Breakpoint/Breakpoint.h
+++ b/include/lldb/Breakpoint/Breakpoint.h
@@ -311,6 +311,24 @@ public:
     //------------------------------------------------------------------
     lldb::BreakpointLocationSP
     GetLocationAtIndex (size_t index);
+    
+    //------------------------------------------------------------------
+    /// Removes all invalid breakpoint locations.
+    ///
+    /// Removes all breakpoint locations with architectures that aren't
+    /// compatible with \a arch. Also remove any breakpoint locations
+    /// with whose locations have address where the section has been
+    /// deleted (module and object files no longer exist).
+    ///
+    /// This is typically used after the process calls exec, or anytime
+    /// the architecture of the target changes.
+    ///
+    /// @param[in] arch
+    ///     If valid, check the module in each breakpoint to make sure
+    ///     they are compatible, otherwise, ignore architecture.
+    //------------------------------------------------------------------
+    void
+    RemoveInvalidLocations (const ArchSpec &arch);
 
     //------------------------------------------------------------------
     // The next section deals with various breakpoint options.
diff --git a/include/lldb/Breakpoint/BreakpointList.h b/include/lldb/Breakpoint/BreakpointList.h
index c6708db118df..27f80d0ffe09 100644
--- a/include/lldb/Breakpoint/BreakpointList.h
+++ b/include/lldb/Breakpoint/BreakpointList.h
@@ -132,6 +132,25 @@ public:
     bool
     Remove (lldb::break_id_t breakID, bool notify);
 
+    
+    //------------------------------------------------------------------
+    /// Removes all invalid breakpoint locations.
+    ///
+    /// Removes all breakpoint locations in the list with architectures
+    /// that aren't compatible with \a arch. Also remove any breakpoint
+    /// locations with whose locations have address where the section
+    /// has been deleted (module and object files no longer exist).
+    ///
+    /// This is typically used after the process calls exec, or anytime
+    /// the architecture of the target changes.
+    ///
+    /// @param[in] arch
+    ///     If valid, check the module in each breakpoint to make sure
+    ///     they are compatible, otherwise, ignore architecture.
+    //------------------------------------------------------------------
+    void
+    RemoveInvalidLocations (const ArchSpec &arch);
+
     void
     SetEnabledAll (bool enabled);
 
diff --git a/include/lldb/Breakpoint/BreakpointLocationList.h b/include/lldb/Breakpoint/BreakpointLocationList.h
index 1cba23d9118e..b25208659c7f 100644
--- a/include/lldb/Breakpoint/BreakpointLocationList.h
+++ b/include/lldb/Breakpoint/BreakpointLocationList.h
@@ -250,6 +250,9 @@ protected:
 
     bool
     RemoveLocation (const lldb::BreakpointLocationSP &bp_loc_sp);
+    
+    void
+    RemoveInvalidLocations (const ArchSpec &arch);
 
     typedef std::vector<lldb::BreakpointLocationSP> collection;
     typedef std::map<lldb_private::Address,
@@ -257,7 +260,7 @@ protected:
                      Address::ModulePointerAndOffsetLessThanFunctionObject> addr_map;
 
     Breakpoint &m_owner;
-    collection m_locations;
+    collection m_locations;         // Vector of locations, sorted by ID 
     addr_map m_address_to_location;
     mutable Mutex m_mutex;
     lldb::break_id_t m_next_id;
diff --git a/include/lldb/Core/Address.h b/include/lldb/Core/Address.h
index da7cc5c03d38..322019395ae7 100644
--- a/include/lldb/Core/Address.h
+++ b/include/lldb/Core/Address.h
@@ -534,6 +534,16 @@ public:
     bool
     CalculateSymbolContextLineEntry (LineEntry &line_entry) const;
 
+    //------------------------------------------------------------------
+    // Returns true if the section should be valid, but isn't because
+    // the shared pointer to the section can't be reconstructed from
+    // a weak pointer that contains a valid weak reference to a section.
+    // Returns false if the section weak pointer has no reference to
+    // a section, or if the section is still valid
+    //------------------------------------------------------------------
+    bool
+    SectionWasDeleted() const;
+
 protected:
     //------------------------------------------------------------------
     // Member variables.
@@ -550,7 +560,7 @@ protected:
     // have a valid section.
     //------------------------------------------------------------------
     bool
-    SectionWasDeleted() const;
+    SectionWasDeletedPrivate() const;
 
 };
 
diff --git a/include/lldb/Core/Debugger.h b/include/lldb/Core/Debugger.h
index 671b378df807..a3c6d5eeb93d 100644
--- a/include/lldb/Core/Debugger.h
+++ b/include/lldb/Core/Debugger.h
@@ -17,9 +17,6 @@
 #include <stack>
 
 #include "lldb/lldb-public.h"
-
-#include "lldb/API/SBDefines.h"
-
 #include "lldb/Core/Broadcaster.h"
 #include "lldb/Core/Communication.h"
 #include "lldb/Core/InputReaderStack.h"
@@ -55,6 +52,10 @@ friend class SourceManager;  // For GetSourceFileCache.
 
 public:
 
+    typedef lldb::DynamicLibrarySP (*LoadPluginCallbackType) (const lldb::DebuggerSP &debugger_sp,
+                                                              const FileSpec& spec,
+                                                              Error& error);
+
     static lldb::DebuggerSP
     CreateInstance (lldb::LogOutputCallback log_callback = NULL, void *baton = NULL);
 
@@ -65,7 +66,7 @@ public:
     FindTargetWithProcess (Process *process);
 
     static void
-    Initialize ();
+    Initialize (LoadPluginCallbackType load_plugin_callback);
     
     static void 
     Terminate ();
@@ -333,9 +334,7 @@ public:
     {
         return m_instance_name;
     }
-    
-    typedef bool (*LLDBCommandPluginInit) (lldb::SBDebugger& debugger);
-    
+        
     bool
     LoadPlugin (const FileSpec& spec, Error& error);
 
@@ -377,6 +376,7 @@ protected:
     LogStreamMap m_log_streams;
     lldb::StreamSP m_log_callback_stream_sp;
     ConstString m_instance_name;
+    static LoadPluginCallbackType g_load_plugin_callback;
     typedef std::vector<lldb::DynamicLibrarySP> LoadedPluginsList;
     LoadedPluginsList m_loaded_plugins;
     
diff --git a/include/lldb/Core/Module.h b/include/lldb/Core/Module.h
index 1473fb90cf85..cae5a30be704 100644
--- a/include/lldb/Core/Module.h
+++ b/include/lldb/Core/Module.h
@@ -570,6 +570,18 @@ public:
     }
 
     const FileSpec &
+    GetRemoteInstallFileSpec () const
+    {
+        return m_remote_install_file;
+    }
+    
+    void
+    SetRemoteInstallFileSpec (const FileSpec &file)
+    {
+        m_remote_install_file = file;
+    }
+    
+    const FileSpec &
     GetSymbolFileFileSpec () const
     {
         return m_symfile_spec;
@@ -1059,6 +1071,7 @@ protected:
     lldb_private::UUID          m_uuid;         ///< Each module is assumed to have a unique identifier to help match it up to debug symbols.
     FileSpec                    m_file;         ///< The file representation on disk for this module (if there is one).
     FileSpec                    m_platform_file;///< The path to the module on the platform on which it is being debugged
+    FileSpec                    m_remote_install_file;  ///< If set when debugging on remote platforms, this module will be installed at this location
     FileSpec                    m_symfile_spec; ///< If this path is valid, then this is the file that _will_ be used as the symbol file for this module
     ConstString                 m_object_name;  ///< The name an object within this module that is selected, or empty of the module is represented by \a m_file.
     uint64_t                    m_object_offset;
diff --git a/include/lldb/DataFormatters/CXXFormatterFunctions.h b/include/lldb/DataFormatters/CXXFormatterFunctions.h
index 433c2a3c407b..415ef9be59ef 100644
--- a/include/lldb/DataFormatters/CXXFormatterFunctions.h
+++ b/include/lldb/DataFormatters/CXXFormatterFunctions.h
@@ -17,6 +17,8 @@
 
 #include "lldb/Core/ConstString.h"
 #include "lldb/DataFormatters/FormatClasses.h"
+#include "lldb/DataFormatters/TypeSynthetic.h"
+#include "lldb/Target/ExecutionContext.h"
 #include "lldb/Target/Target.h"
 
 #include "clang/AST/ASTContext.h"
diff --git a/include/lldb/DataFormatters/FormatCache.h b/include/lldb/DataFormatters/FormatCache.h
index bd9e20ccc9ee..1505d7c46189 100644
--- a/include/lldb/DataFormatters/FormatCache.h
+++ b/include/lldb/DataFormatters/FormatCache.h
@@ -18,6 +18,7 @@
 // Project includes
 #include "lldb/lldb-public.h"
 #include "lldb/Core/ConstString.h"
+#include "lldb/Host/Mutex.h"
 #include "lldb/DataFormatters/FormatClasses.h"
 
 namespace lldb_private {
diff --git a/include/lldb/DataFormatters/FormatClasses.h b/include/lldb/DataFormatters/FormatClasses.h
index 6d9a50e8f2c5..651160371c69 100644
--- a/include/lldb/DataFormatters/FormatClasses.h
+++ b/include/lldb/DataFormatters/FormatClasses.h
@@ -10,9 +10,6 @@
 #ifndef lldb_FormatClasses_h_
 #define lldb_FormatClasses_h_
 
-// C Includes
-#include <stdint.h>
-
 // C++ Includes
 #include <string>
 #include <vector>
@@ -23,17 +20,86 @@
 #include "lldb/lldb-public.h"
 #include "lldb/lldb-enumerations.h"
 
-#include "lldb/Core/ValueObject.h"
-#include "lldb/Interpreter/ScriptInterpreterPython.h"
 #include "lldb/Symbol/ClangASTType.h"
 #include "lldb/Symbol/Type.h"
 
-#include "lldb/DataFormatters/TypeFormat.h"
-#include "lldb/DataFormatters/TypeSummary.h"
-#include "lldb/DataFormatters/TypeSynthetic.h"
-
 namespace lldb_private {
 
+class FormattersMatchCandidate
+{
+public:
+    
+    FormattersMatchCandidate (ConstString name,
+                              uint32_t reason,
+                              bool strip_ptr,
+                              bool strip_ref,
+                              bool strip_tydef) :
+    m_type_name(name),
+    m_reason(reason),
+    m_stripped_pointer(strip_ptr),
+    m_stripped_reference(strip_ref),
+    m_stripped_typedef(strip_tydef)
+    {
+    }
+    
+    ~FormattersMatchCandidate ()
+    {}
+    
+    ConstString
+    GetTypeName () const
+    {
+        return m_type_name;
+    }
+    
+    uint32_t
+    GetReason () const
+    {
+        return m_reason;
+    }
+    
+    bool
+    DidStripPointer () const
+    {
+        return m_stripped_pointer;
+    }
+    
+    bool
+    DidStripReference () const
+    {
+        return m_stripped_reference;
+    }
+    
+    bool
+    DidStripTypedef () const
+    {
+        return m_stripped_typedef;
+    }
+    
+    template <class Formatter>
+    bool
+    IsMatch (const std::shared_ptr<Formatter>& formatter_sp) const
+    {
+        if (!formatter_sp)
+            return false;
+        if (formatter_sp->Cascades() == false && DidStripTypedef())
+            return false;
+        if (formatter_sp->SkipsPointers() && DidStripPointer())
+            return false;
+        if (formatter_sp->SkipsReferences() && DidStripReference())
+            return false;
+        return true;
+    }
+    
+private:
+    ConstString m_type_name;
+    uint32_t m_reason;
+    bool m_stripped_pointer;
+    bool m_stripped_reference;
+    bool m_stripped_typedef;
+};
+
+typedef std::vector<FormattersMatchCandidate> FormattersMatchVector;
+    
 class TypeNameSpecifierImpl
 {
 public:
diff --git a/include/lldb/DataFormatters/FormatManager.h b/include/lldb/DataFormatters/FormatManager.h
index 3c90c993e0c4..750e53008318 100644
--- a/include/lldb/DataFormatters/FormatManager.h
+++ b/include/lldb/DataFormatters/FormatManager.h
@@ -19,6 +19,7 @@
 #include "lldb/lldb-enumerations.h"
 
 #include "lldb/DataFormatters/FormatCache.h"
+#include "lldb/DataFormatters/FormatClasses.h"
 #include "lldb/DataFormatters/FormatNavigator.h"
 #include "lldb/DataFormatters/TypeCategory.h"
 #include "lldb/DataFormatters/TypeCategoryMap.h"
@@ -213,7 +214,36 @@ public:
     {
     }
     
+    static FormattersMatchVector
+    GetPossibleMatches (ValueObject& valobj,
+                        lldb::DynamicValueType use_dynamic)
+    {
+        FormattersMatchVector matches;
+        GetPossibleMatches (valobj,
+                            valobj.GetClangType(),
+                            lldb_private::eFormatterChoiceCriterionDirectChoice,
+                            use_dynamic,
+                            matches,
+                            false,
+                            false,
+                            false,
+                            true);
+        return matches;
+    }
+
 private:
+    
+    static void
+    GetPossibleMatches (ValueObject& valobj,
+                        ClangASTType clang_type,
+                        uint32_t reason,
+                        lldb::DynamicValueType use_dynamic,
+                        FormattersMatchVector& entries,
+                        bool did_strip_ptr,
+                        bool did_strip_ref,
+                        bool did_strip_typedef,
+                        bool root_level = false);
+    
     FormatCache m_format_cache;
     NamedSummariesMap m_named_summaries_map;
     std::atomic<uint32_t> m_last_revision;
diff --git a/include/lldb/DataFormatters/FormatNavigator.h b/include/lldb/DataFormatters/FormatNavigator.h
index cd5f6824e199..1b82776fb28c 100644
--- a/include/lldb/DataFormatters/FormatNavigator.h
+++ b/include/lldb/DataFormatters/FormatNavigator.h
@@ -26,6 +26,9 @@
 #include "lldb/Core/ValueObject.h"
 
 #include "lldb/DataFormatters/FormatClasses.h"
+#include "lldb/DataFormatters/TypeFormat.h"
+#include "lldb/DataFormatters/TypeSummary.h"
+#include "lldb/DataFormatters/TypeSynthetic.h"
 
 #include "lldb/Symbol/ClangASTContext.h"
 #include "lldb/Symbol/ClangASTType.h"
@@ -459,228 +462,29 @@ protected:
         }
         return false;
     }
-    
-    bool
-    Get_BitfieldMatch (ValueObject& valobj,
-                       ConstString typeName,
-                       MapValueType& entry,
-                       uint32_t& reason)
-    {
-        Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_TYPES));
-        // for bitfields, append size to the typename so one can custom format them
-        StreamString sstring;
-        sstring.Printf("%s:%d",typeName.AsCString(),valobj.GetBitfieldBitSize());
-        ConstString bitfieldname = ConstString(sstring.GetData());
-        if (log)
-            log->Printf("[Get_BitfieldMatch] appended bitfield info, final result is %s", bitfieldname.GetCString());
-        if (Get(bitfieldname, entry))
-        {
-            if (log)
-                log->Printf("[Get_BitfieldMatch] bitfield direct match found, returning");
-            return true;
-        }
-        else
-        {
-            reason |= lldb_private::eFormatterChoiceCriterionStrippedBitField;
-            if (log)
-                log->Printf("[Get_BitfieldMatch] no bitfield direct match");
-            return false;
-        }
-    }
-    
-    bool Get_ObjC (ValueObject& valobj,
-                   MapValueType& entry)
-    {
-        Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_TYPES));
-        lldb::ProcessSP process_sp = valobj.GetProcessSP();
-        ObjCLanguageRuntime* runtime = process_sp->GetObjCLanguageRuntime();
-        if (runtime == NULL)
-        {
-            if (log)
-                log->Printf("[Get_ObjC] no valid ObjC runtime, skipping dynamic");
-            return false;
-        }
-        ObjCLanguageRuntime::ClassDescriptorSP objc_class_sp (runtime->GetClassDescriptor(valobj));
-        if (!objc_class_sp)
-        {
-            if (log)
-                log->Printf("[Get_ObjC] invalid ISA, skipping dynamic");
-            return false;
-        }
-        ConstString name (objc_class_sp->GetClassName());
-        if (log)
-            log->Printf("[Get_ObjC] dynamic type inferred is %s - looking for direct dynamic match", name.GetCString());
-        if (Get(name, entry))
-        {
-            if (log)
-                log->Printf("[Get_ObjC] direct dynamic match found, returning");
-            return true;
-        }
-        if (log)
-            log->Printf("[Get_ObjC] no dynamic match");
-        return false;
-    }
-    
+
     bool
-    Get_Impl (ValueObject& valobj,
-              ClangASTType clang_type,
-              MapValueType& entry,
-              lldb::DynamicValueType use_dynamic,
-              uint32_t& reason)
+    Get (const FormattersMatchVector& candidates,
+         MapValueType& entry,
+         uint32_t *reason)
     {
-        Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_TYPES));
-
-        if (!clang_type.IsValid())
-        {
-            if (log)
-                log->Printf("[Get_Impl] type is invalid, returning");
-            return false;
-        }
-        
-        clang_type = clang_type.RemoveFastQualifiers();
-
-        ConstString typeName(clang_type.GetConstTypeName());
-        
-        if (valobj.GetBitfieldBitSize() > 0)
+        for (const FormattersMatchCandidate& candidate : candidates)
         {
-            if (Get_BitfieldMatch(valobj, typeName, entry, reason))
-                return true;
-        }
-        
-        if (log)
-            log->Printf("[Get_Impl] trying to get %s for VO name %s of type %s",
-                        m_name.c_str(),
-                        valobj.GetName().AsCString(),
-                        typeName.AsCString());
-        
-        if (Get(typeName, entry))
-        {
-            if (log)
-                log->Printf("[Get] direct match found, returning");
-            return true;
-        }
-        if (log)
-            log->Printf("[Get_Impl] no direct match");
-        
-        // strip pointers and references and see if that helps
-        if (clang_type.IsReferenceType())
-        {
-            if (log)
-                log->Printf("[Get_Impl] stripping reference");
-            if (Get_Impl(valobj, clang_type.GetNonReferenceType(), entry, use_dynamic, reason) && !entry->SkipsReferences())
+            if (Get(candidate.GetTypeName(),entry))
             {
-                reason |= lldb_private::eFormatterChoiceCriterionStrippedPointerReference;
-                return true;
-            }
-        }
-        else if (clang_type.IsPointerType())
-        {
-            if (log)
-                log->Printf("[Get_Impl] stripping pointer");
-            if (Get_Impl(valobj, clang_type.GetPointeeType(), entry, use_dynamic, reason) && !entry->SkipsPointers())
-            {
-                reason |= lldb_private::eFormatterChoiceCriterionStrippedPointerReference;
-                return true;
-            }
-        }
-        
-        bool canBeObjCDynamic = valobj.GetClangType().IsPossibleDynamicType (NULL,
-                                                                             false, // no C++
-                                                                             true); // yes ObjC
-        
-        if (canBeObjCDynamic)
-        {
-            if (use_dynamic != lldb::eNoDynamicValues)
-            {
-                if (log)
-                    log->Printf("[Get_Impl] allowed to figure out dynamic ObjC type");
-                if (Get_ObjC(valobj,entry))
+                if (candidate.IsMatch(entry) == false)
                 {
-                    reason |= lldb_private::eFormatterChoiceCriterionDynamicObjCDiscovery;
-                    return true;
+                    entry.reset();
+                    continue;
                 }
-            }
-            if (log)
-                log->Printf("[Get_Impl] dynamic disabled or failed - stripping ObjC pointer");
-            if (Get_Impl(valobj, clang_type.GetPointeeType(), entry, use_dynamic, reason) && !entry->SkipsPointers())
-            {
-                reason |= lldb_private::eFormatterChoiceCriterionStrippedPointerReference;
-                return true;
-            }
-        }
-        
-        // try to strip typedef chains
-        if (clang_type.IsTypedefType())
-        {
-            if (log)
-                log->Printf("[Get_Impl] stripping typedef");
-            if ((Get_Impl(valobj, clang_type.GetTypedefedType(), entry, use_dynamic, reason)) && entry->Cascades())
-            {
-                reason |= lldb_private::eFormatterChoiceCriterionNavigatedTypedefs;
-                return true;
-            }
-        }
-        
-        // out of luck here
-        return false;
-    }
-    
-    // we are separately passing in valobj and type because the valobj is fixed (and is used for ObjC discovery and bitfield size)
-    // but the type can change (e.g. stripping pointers, ...)
-    bool Get (ValueObject& valobj,
-              ClangASTType clang_type,
-              MapValueType& entry,
-              lldb::DynamicValueType use_dynamic,
-              uint32_t& reason)
-    {
-        Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_TYPES));
-        
-        if (Get_Impl (valobj, clang_type, entry, use_dynamic, reason))
-            return true;
-        
-        // try going to the unqualified type
-        do {
-            if (log)
-                log->Printf("[Get] trying the unqualified type");
-            if (!clang_type.IsValid())
-                break;
-
-            ClangASTType unqual_clang_ast_type = clang_type.GetFullyUnqualifiedType();
-            if (!unqual_clang_ast_type.IsValid())
-            {
-                if (log)
-                    log->Printf("[Get] could not get the unqual_clang_ast_type");
-                break;
-            }
-            if (unqual_clang_ast_type.GetOpaqueQualType() != clang_type.GetOpaqueQualType())
-            {
-                if (log)
-                    log->Printf("[Get] unqualified type is there and is not the same, let's try");
-                if (Get_Impl (valobj, unqual_clang_ast_type,entry, use_dynamic, reason))
-                    return true;
-            }
-            else if (log)
-                log->Printf("[Get] unqualified type same as original type");
-        } while(false);
-        
-        // if all else fails, go to static type
-        if (valobj.IsDynamic())
-        {
-            if (log)
-                log->Printf("[Get] going to static value");
-            lldb::ValueObjectSP static_value_sp(valobj.GetStaticValue());
-            if (static_value_sp)
-            {
-                if (log)
-                    log->Printf("[Get] has a static value - actually use it");
-                if (Get(*static_value_sp.get(), static_value_sp->GetClangType(), entry, use_dynamic, reason))
+                else
                 {
-                    reason |= lldb_private::eFormatterChoiceCriterionWentToStaticValue;
+                    if(reason)
+                        *reason = candidate.GetReason();
                     return true;
                 }
             }
         }
-        
         return false;
     }
 };
diff --git a/include/lldb/DataFormatters/TypeCategory.h b/include/lldb/DataFormatters/TypeCategory.h
index 6461c4e97e4e..082395a04616 100644
--- a/include/lldb/DataFormatters/TypeCategory.h
+++ b/include/lldb/DataFormatters/TypeCategory.h
@@ -18,6 +18,7 @@
 #include "lldb/lldb-public.h"
 #include "lldb/lldb-enumerations.h"
 
+#include "lldb/DataFormatters/FormatClasses.h"
 #include "lldb/DataFormatters/FormatNavigator.h"
 
 namespace lldb_private {    
@@ -177,23 +178,22 @@ namespace lldb_private {
                 return m_enabled_position;
         }
         
-        
         bool
         Get (ValueObject& valobj,
+             const FormattersMatchVector& candidates,
              lldb::TypeFormatImplSP& entry,
-             lldb::DynamicValueType use_dynamic,
              uint32_t* reason = NULL);
         
         bool
         Get (ValueObject& valobj,
+             const FormattersMatchVector& candidates,
              lldb::TypeSummaryImplSP& entry,
-             lldb::DynamicValueType use_dynamic,
              uint32_t* reason = NULL);
         
         bool
         Get (ValueObject& valobj,
+             const FormattersMatchVector& candidates,
              lldb::SyntheticChildrenSP& entry,
-             lldb::DynamicValueType use_dynamic,
              uint32_t* reason = NULL);
         
         void
diff --git a/include/lldb/Expression/ClangFunction.h b/include/lldb/Expression/ClangFunction.h
index 9cb22ed15cb5..9c14ddb53230 100644
--- a/include/lldb/Expression/ClangFunction.h
+++ b/include/lldb/Expression/ClangFunction.h
@@ -227,143 +227,6 @@ public:
                                  Stream &errors);
 
     //------------------------------------------------------------------
-    /// [Static] Execute a function, passing it a single void* parameter.
-    /// ClangFunction uses this to call the wrapper function.
-    ///
-    /// @param[in] exe_ctx
-    ///     The execution context to insert the function and its arguments
-    ///     into.
-    ///
-    /// @param[in] function_address
-    ///     The address of the function in the target process.
-    ///
-    /// @param[in] void_arg
-    ///     The value of the void* parameter.
-    ///
-    /// @param[in] stop_others
-    ///     True if other threads should pause during execution.
-    ///
-    /// @param[in] try_all_threads
-    ///     If the timeout expires, true if other threads should run.  If
-    ///     the function may try to take locks, this is useful.
-    /// 
-    /// @param[in] unwind_on_error
-    ///     If true, and the execution stops before completion, we unwind the
-    ///     function call, and return the program state to what it was before the
-    ///     execution.  If false, we leave the program in the stopped state.
-    /// 
-    /// @param[in] timeout_usec
-    ///     Timeout value (0 for no timeout). If try_all_threads is true, then we
-    ///     will try on one thread for the lesser of .25 sec and half the total timeout.
-    ///     then switch to running all threads, otherwise this will be the total timeout.
-    ///
-    /// @param[in] errors
-    ///     The stream to write errors to.
-    ///
-    /// @param[in] this_arg
-    ///     If non-NULL, the function is invoked like a C++ method, with the
-    ///     value pointed to by the pointer as its 'this' argument.
-    ///
-    /// @return
-    ///     Returns one of the ExecutionResults enum indicating function call status.
-    //------------------------------------------------------------------
-    static ExecutionResults 
-    ExecuteFunction (ExecutionContext &exe_ctx, 
-                     lldb::addr_t function_address, 
-                     lldb::addr_t &void_arg, 
-                     bool stop_others, 
-                     bool try_all_threads,
-                     bool unwind_on_error,
-                     bool ignore_breakpoints,
-                     uint32_t timeout_usec,
-                     Stream &errors,
-                     lldb::addr_t* this_arg = 0);
-    
-    //------------------------------------------------------------------
-    /// Run the function this ClangFunction was created with.
-    ///
-    /// This simple version will run the function stopping other threads
-    /// for a fixed timeout period (1000 usec) and if it does not complete,
-    /// we halt the process and try with all threads running.
-    ///
-    /// @param[in] exe_ctx
-    ///     The thread & process in which this function will run.
-    ///
-    /// @param[in] errors
-    ///     Errors will be written here if there are any.
-    ///
-    /// @param[out] results
-    ///     The result value will be put here after running the function.
-    ///
-    /// @return
-    ///     Returns one of the ExecutionResults enum indicating function call status.
-    //------------------------------------------------------------------
-    ExecutionResults 
-    ExecuteFunction(ExecutionContext &exe_ctx, 
-                     Stream &errors, 
-                     Value &results);
-    
-    //------------------------------------------------------------------
-    /// Run the function this ClangFunction was created with.
-    ///
-    /// This simple version will run the function obeying the stop_others
-    /// argument.  There is no timeout.
-    ///
-    /// @param[in] exe_ctx
-    ///     The thread & process in which this function will run.
-    ///
-    /// @param[in] errors
-    ///     Errors will be written here if there are any.
-    ///
-    /// @param[in] stop_others
-    ///     If \b true, run only this thread, if \b false let all threads run.
-    ///
-    /// @param[out] results
-    ///     The result value will be put here after running the function.
-    ///
-    /// @return
-    ///     Returns one of the ExecutionResults enum indicating function call status.
-    //------------------------------------------------------------------
-    ExecutionResults 
-    ExecuteFunction(ExecutionContext &exe_ctx, 
-                     Stream &errors, bool stop_others, 
-                     Value &results);
-    
-    //------------------------------------------------------------------
-    /// Run the function this ClangFunction was created with.
-    ///
-    /// This simple version will run the function on one thread.  If \a timeout_usec
-    /// is not zero, we time out after that timeout.  If \a try_all_threads is true, then we will
-    /// resume with all threads on, otherwise we halt the process, and eExecutionInterrupted will be returned.
-    ///
-    /// @param[in] exe_ctx
-    ///     The thread & process in which this function will run.
-    ///
-    /// @param[in] errors
-    ///     Errors will be written here if there are any.
-    ///
-    /// @param[in] timeout_usec
-    ///     Timeout value (0 for no timeout). If try_all_threads is true, then we
-    ///     will try on one thread for the lesser of .25 sec and half the total timeout.
-    ///     then switch to running all threads, otherwise this will be the total timeout.
-    ///
-    /// @param[in] try_all_threads
-    ///     If \b true, run only this thread, if \b false let all threads run.
-    ///
-    /// @param[out] results
-    ///     The result value will be put here after running the function.
-    ///
-    /// @return
-    ///     Returns one of the ExecutionResults enum indicating function call status.
-    //------------------------------------------------------------------
-    ExecutionResults 
-    ExecuteFunction(ExecutionContext &exe_ctx, 
-                    Stream &errors, 
-                    uint32_t single_thread_timeout_usec, 
-                    bool try_all_threads, 
-                    Value &results);
-    
-    //------------------------------------------------------------------
     /// Run the function this ClangFunction was created with.
     ///
     /// This is the full version.
@@ -381,17 +244,8 @@ public:
     /// @param[in] errors
     ///     Errors will be written here if there are any.
     ///
-    /// @param[in] stop_others
-    ///     If \b true, run only this thread, if \b false let all threads run.
-    ///
-    /// @param[in] timeout_usec
-    ///     Timeout value (0 for no timeout). If try_all_threads is true, then we
-    ///     will try on one thread for the lesser of .25 sec and half the total timeout.
-    ///     then switch to running all threads, otherwise this will be the total timeout.
-    ///
-    ///
-    /// @param[in] try_all_threads
-    ///     If \b true, run only this thread, if \b false let all threads run.
+    /// @param[in] options
+    ///     The options for this expression execution.
     ///
     /// @param[out] results
     ///     The result value will be put here after running the function.
@@ -402,63 +256,11 @@ public:
     ExecutionResults 
     ExecuteFunction(ExecutionContext &exe_ctx, 
                     lldb::addr_t *args_addr_ptr, 
-                    Stream &errors, 
-                    bool stop_others, 
-                    uint32_t timeout_usec,
-                    bool try_all_threads,
-                    bool unwind_on_error,
-                    bool ignore_breakpoints,
+                    const EvaluateExpressionOptions &options,
+                    Stream &errors,
                     Value &results);
     
     //------------------------------------------------------------------
-    /// [static] Get a thread plan to run a function.
-    ///
-    /// @param[in] exe_ctx
-    ///     The execution context to insert the function and its arguments
-    ///     into.
-    ///
-    /// @param[in] func_addr
-    ///     The address of the function in the target process.
-    ///
-    /// @param[in] args_addr_ref
-    ///     The value of the void* parameter.
-    ///
-    /// @param[in] errors
-    ///     The stream to write errors to.
-    ///
-    /// @param[in] stop_others
-    ///     True if other threads should pause during execution.
-    ///
-    /// @param[in] unwind_on_error
-    ///     True if the thread plan may simply be discarded if an error occurs.
-    ///
-    /// @param[in] ignore_breakpoints
-    ///     True if the expression execution will ignore breakpoint hits and continue executing.
-    ///
-    /// @param[in] this_arg
-    ///     If non-NULL (and cmd_arg is NULL), the function is invoked like a C++ 
-    ///     method, with the value pointed to by the pointer as its 'this' 
-    ///     argument.
-    ///
-    /// @param[in] cmd_arg
-    ///     If non-NULL, the function is invoked like an Objective-C method, with
-    ///     this_arg in the 'self' slot and cmd_arg in the '_cmd' slot
-    ///
-    /// @return
-    ///     A ThreadPlan for executing the function.
-    //------------------------------------------------------------------
-    static ThreadPlan *
-    GetThreadPlanToCallFunction (ExecutionContext &exe_ctx, 
-                                 lldb::addr_t func_addr, 
-                                 lldb::addr_t &args_addr_ref, 
-                                 Stream &errors, 
-                                 bool stop_others, 
-                                 bool unwind_on_error,
-                                 bool ignore_breakpoints,
-                                 lldb::addr_t *this_arg = 0,
-                                 lldb::addr_t *cmd_arg = 0);
-    
-    //------------------------------------------------------------------
     /// Get a thread plan to run the function this ClangFunction was created with.
     ///
     /// @param[in] exe_ctx
@@ -468,8 +270,8 @@ public:
     /// @param[in] func_addr
     ///     The address of the function in the target process.
     ///
-    /// @param[in] args_addr_ref
-    ///     The value of the void* parameter.
+    /// @param[in] args_addr
+    ///     The address of the argument struct.
     ///
     /// @param[in] errors
     ///     The stream to write errors to.
@@ -485,20 +287,9 @@ public:
     //------------------------------------------------------------------
     ThreadPlan *
     GetThreadPlanToCallFunction (ExecutionContext &exe_ctx, 
-                                 lldb::addr_t &args_addr_ref, 
-                                 Stream &errors, 
-                                 bool stop_others, 
-                                 bool unwind_on_error = true,
-                                 bool ignore_breakpoints = true)
-    {
-        return ClangFunction::GetThreadPlanToCallFunction (exe_ctx, 
-                                                           m_jit_start_addr, 
-                                                           args_addr_ref, 
-                                                           errors, 
-                                                           stop_others, 
-                                                           unwind_on_error,
-                                                           ignore_breakpoints);
-    }
+                                 lldb::addr_t args_addr,
+                                 const EvaluateExpressionOptions &options,
+                                 Stream &errors);
     
     //------------------------------------------------------------------
     /// Get the result of the function from its struct
diff --git a/include/lldb/Expression/ClangUserExpression.h b/include/lldb/Expression/ClangUserExpression.h
index b8c3c128acf4..83fdf1c21955 100644
--- a/include/lldb/Expression/ClangUserExpression.h
+++ b/include/lldb/Expression/ClangUserExpression.h
@@ -150,10 +150,6 @@ public:
              ClangUserExpressionSP &shared_ptr_to_me,
              lldb::ClangExpressionVariableSP &result);
              
-    ThreadPlan *
-    GetThreadPlanToExecuteJITExpression (Stream &error_stream,
-                                         ExecutionContext &exe_ctx);
-    
     //------------------------------------------------------------------
     /// Apply the side effects of the function to program state.
     ///
diff --git a/include/lldb/Host/Debug.h b/include/lldb/Host/Debug.h
new file mode 100644
index 000000000000..2cb758e1b733
--- /dev/null
+++ b/include/lldb/Host/Debug.h
@@ -0,0 +1,406 @@
+//===-- Debug.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_Debug_h_
+#define liblldb_Debug_h_
+
+#include "lldb/lldb-private.h"
+#include "lldb/Core/Error.h"
+#include "lldb/Core/StreamString.h"
+#include "lldb/Host/Mutex.h"
+#include <vector>
+
+namespace lldb_private {
+    
+    //------------------------------------------------------------------
+    // Tells a thread what it needs to do when the process is resumed.
+    //------------------------------------------------------------------
+    struct ResumeAction
+    {
+        lldb::tid_t tid;        // The thread ID that this action applies to, LLDB_INVALID_THREAD_ID for the default thread action
+        lldb::StateType state;  // Valid values are eStateStopped/eStateSuspended, eStateRunning, and eStateStepping.
+        int signal;             // When resuming this thread, resume it with this signal if this value is > 0
+    };
+    
+    //------------------------------------------------------------------
+    // A class that contains instructions for all threads for
+    // NativeProcessProtocol::Resume(). Each thread can either run, stay
+    // suspended, or step when the process is resumed. We optionally
+    // have the ability to also send a signal to the thread when the
+    // action is run or step.
+    //------------------------------------------------------------------
+    class ResumeActionList
+    {
+    public:
+        ResumeActionList () :
+            m_actions (),
+            m_signal_handled ()
+        {
+        }
+        
+        ResumeActionList (lldb::StateType default_action, int signal) :
+            m_actions(),
+            m_signal_handled ()
+        {
+            SetDefaultThreadActionIfNeeded (default_action, signal);
+        }
+        
+        
+        ResumeActionList (const ResumeAction *actions, size_t num_actions) :
+            m_actions (),
+            m_signal_handled ()
+        {
+            if (actions && num_actions)
+            {
+                m_actions.assign (actions, actions + num_actions);
+                m_signal_handled.assign (num_actions, false);
+            }
+        }
+        
+        ~ResumeActionList()
+        {
+        }
+
+        bool
+        IsEmpty() const
+        {
+            return m_actions.empty();
+        }
+        
+        void
+        Append (const ResumeAction &action)
+        {
+            m_actions.push_back (action);
+            m_signal_handled.push_back (false);
+        }
+        
+        void
+        AppendAction (lldb::tid_t tid,
+                      lldb::StateType state,
+                      int signal = 0)
+        {
+            ResumeAction action = { tid, state, signal };
+            Append (action);
+        }
+        
+        void
+        AppendResumeAll ()
+        {
+            AppendAction (LLDB_INVALID_THREAD_ID, lldb::eStateRunning);
+        }
+        
+        void
+        AppendSuspendAll ()
+        {
+            AppendAction (LLDB_INVALID_THREAD_ID, lldb::eStateStopped);
+        }
+        
+        void
+        AppendStepAll ()
+        {
+            AppendAction (LLDB_INVALID_THREAD_ID, lldb::eStateStepping);
+        }
+        
+        const ResumeAction *
+        GetActionForThread (lldb::tid_t tid, bool default_ok) const
+        {
+            const size_t num_actions = m_actions.size();
+            for (size_t i=0; i<num_actions; ++i)
+            {
+                if (m_actions[i].tid == tid)
+                    return &m_actions[i];
+            }
+            if (default_ok && tid != LLDB_INVALID_THREAD_ID)
+                return GetActionForThread (LLDB_INVALID_THREAD_ID, false);
+            return NULL;
+        }
+        
+        size_t
+        NumActionsWithState (lldb::StateType state) const
+        {
+            size_t count = 0;
+            const size_t num_actions = m_actions.size();
+            for (size_t i=0; i<num_actions; ++i)
+            {
+                if (m_actions[i].state == state)
+                    ++count;
+            }
+            return count;
+        }
+        
+        bool
+        SetDefaultThreadActionIfNeeded (lldb::StateType action, int signal)
+        {
+            if (GetActionForThread (LLDB_INVALID_THREAD_ID, true) == NULL)
+            {
+                // There isn't a default action so we do need to set it.
+                ResumeAction default_action = {LLDB_INVALID_THREAD_ID, action, signal };
+                m_actions.push_back (default_action);
+                m_signal_handled.push_back (false);
+                return true; // Return true as we did add the default action
+            }
+            return false;
+        }
+        
+        void
+        SetSignalHandledForThread (lldb::tid_t tid) const
+        {
+            if (tid != LLDB_INVALID_THREAD_ID)
+            {
+                const size_t num_actions = m_actions.size();
+                for (size_t i=0; i<num_actions; ++i)
+                {
+                    if (m_actions[i].tid == tid)
+                        m_signal_handled[i] = true;
+                }
+            }
+        }
+        
+        const ResumeAction *
+        GetFirst() const
+        {
+            return m_actions.data();
+        }
+        
+        size_t
+        GetSize () const
+        {
+            return m_actions.size();
+        }
+        
+        void
+        Clear()
+        {
+            m_actions.clear();
+            m_signal_handled.clear();
+        }
+        
+    protected:
+        std::vector<ResumeAction> m_actions;
+        mutable std::vector<bool> m_signal_handled;
+    };
+
+    struct ThreadStopInfo
+    {
+        lldb::StopReason reason;
+        union
+        {
+            // eStopTypeSignal
+            struct
+            {
+                uint32_t signo;
+            } signal;
+            
+            // eStopTypeException
+            struct
+            {
+                uint64_t type;
+                uint32_t data_count;
+                lldb::addr_t data[2];
+            } exception;
+        } details;
+    };
+
+    //------------------------------------------------------------------
+    // NativeThreadProtocol
+    //------------------------------------------------------------------
+    class NativeThreadProtocol {
+        
+    public:
+        NativeThreadProtocol (NativeProcessProtocol *process, lldb::tid_t tid) :
+            m_process (process),
+            m_tid (tid)
+        {
+        }
+        
+        virtual ~NativeThreadProtocol()
+        {
+        }
+        virtual const char *GetName() = 0;
+        virtual lldb::StateType GetState () = 0;
+        virtual Error ReadRegister (uint32_t reg, RegisterValue &reg_value) = 0;
+        virtual Error WriteRegister (uint32_t reg, const RegisterValue &reg_value) = 0;
+        virtual Error SaveAllRegisters (lldb::DataBufferSP &data_sp) = 0;
+        virtual Error RestoreAllRegisters (lldb::DataBufferSP &data_sp) = 0;
+        virtual bool GetStopReason (ThreadStopInfo &stop_info) = 0;
+        
+        lldb::tid_t
+        GetID() const
+        {
+            return m_tid;
+        }
+    protected:
+        NativeProcessProtocol *m_process;
+        lldb::tid_t m_tid;
+    };
+
+    
+    //------------------------------------------------------------------
+    // NativeProcessProtocol
+    //------------------------------------------------------------------
+    class NativeProcessProtocol {
+    public:
+        
+        static NativeProcessProtocol *
+        CreateInstance (lldb::pid_t pid);
+
+        // lldb_private::Host calls should be used to launch a process for debugging, and
+        // then the process should be attached to. When attaching to a process
+        // lldb_private::Host calls should be used to locate the process to attach to,
+        // and then this function should be called.
+        NativeProcessProtocol (lldb::pid_t pid) :
+            m_pid (pid),
+            m_threads(),
+            m_threads_mutex (Mutex::eMutexTypeRecursive),
+            m_state (lldb::eStateInvalid),
+            m_exit_status(0),
+            m_exit_description()
+        {
+        }
+
+    public:
+        virtual ~NativeProcessProtocol ()
+        {
+        }
+        
+        virtual Error Resume (const ResumeActionList &resume_actions) = 0;
+        virtual Error Halt () = 0;
+        virtual Error Detach () = 0;
+        virtual Error Signal (int signo) = 0;
+        virtual Error Kill () = 0;
+        
+        virtual Error ReadMemory (lldb::addr_t addr, void *buf, lldb::addr_t size, lldb::addr_t &bytes_read) = 0;
+        virtual Error WriteMemory (lldb::addr_t addr, const void *buf, lldb::addr_t size, lldb::addr_t &bytes_written) = 0;
+        virtual Error AllocateMemory (lldb::addr_t size, uint32_t permissions, lldb::addr_t &addr) = 0;
+        virtual Error DeallocateMemory (lldb::addr_t addr) = 0;
+        
+        virtual lldb::addr_t GetSharedLibraryInfoAddress () = 0;
+        
+        virtual bool IsAlive () = 0;
+        virtual size_t UpdateThreads () = 0;
+        virtual bool GetArchitecture (ArchSpec &arch) = 0;
+
+        //----------------------------------------------------------------------
+        // Breakpoint functions
+        //----------------------------------------------------------------------
+        virtual Error SetBreakpoint (lldb::addr_t addr, size_t size, bool hardware) = 0;
+        virtual Error RemoveBreakpoint (lldb::addr_t addr, size_t size) = 0;
+        
+        //----------------------------------------------------------------------
+        // Watchpoint functions
+        //----------------------------------------------------------------------
+        virtual uint32_t GetMaxWatchpoints () = 0;
+        virtual Error SetWatchpoint (lldb::addr_t addr, size_t size, uint32_t watch_flags, bool hardware) = 0;
+        virtual Error RemoveWatchpoint (lldb::addr_t addr) = 0;
+        
+        
+        //----------------------------------------------------------------------
+        // Accessors
+        //----------------------------------------------------------------------
+        lldb::pid_t
+        GetID() const
+        {
+            return m_pid;
+        }
+        
+        lldb::StateType
+        GetState () const
+        {
+            return m_state;
+        }
+        
+        bool
+        IsRunning () const
+        {
+            return m_state == lldb::eStateRunning || IsStepping();
+        }
+        
+        bool
+        IsStepping () const
+        {
+            return m_state == lldb::eStateStepping;
+        }
+        
+        bool
+        CanResume () const
+        {
+            return m_state == lldb::eStateStopped;
+        }
+
+        
+        void
+        SetState (lldb::StateType state)
+        {
+            m_state = state;
+        }
+
+        //----------------------------------------------------------------------
+        // Exit Status
+        //----------------------------------------------------------------------
+        virtual bool
+        GetExitStatus (int *status)
+        {
+            if (m_state == lldb::eStateExited)
+            {
+                *status = m_exit_status;
+                return true;
+            }
+            *status = 0;
+            return false;
+        }
+        virtual bool
+        SetExitStatus (int status, const char *exit_description)
+        {
+            // Exit status already set
+            if (m_state == lldb::eStateExited)
+                return false;
+            m_state = lldb::eStateExited;
+            m_exit_status = status;
+            if (exit_description && exit_description[0])
+                m_exit_description = exit_description;
+            else
+                m_exit_description.clear();
+            return true;
+        }
+
+        //----------------------------------------------------------------------
+        // Access to threads
+        //----------------------------------------------------------------------
+        lldb::NativeThreadProtocolSP
+        GetThreadAtIndex (uint32_t idx)
+        {
+            Mutex::Locker locker(m_threads_mutex);
+            if (idx < m_threads.size())
+                return m_threads[idx];
+            return lldb::NativeThreadProtocolSP();
+        }
+
+        lldb::NativeThreadProtocolSP
+        GetThreadByID (lldb::tid_t tid)
+        {
+            Mutex::Locker locker(m_threads_mutex);
+            for (auto thread_sp : m_threads)
+            {
+                if (thread_sp->GetID() == tid)
+                    return thread_sp;
+            }
+            return lldb::NativeThreadProtocolSP();
+        }
+
+    protected:
+        lldb::pid_t m_pid;
+        std::vector<lldb::NativeThreadProtocolSP> m_threads;
+        mutable Mutex m_threads_mutex;
+        lldb::StateType m_state;
+        int m_exit_status;
+        std::string m_exit_description;
+    };
+
+}
+#endif // #ifndef liblldb_Debug_h_
diff --git a/include/lldb/Host/File.h b/include/lldb/Host/File.h
index 7ca582402b32..607efa029c09 100644
--- a/include/lldb/Host/File.h
+++ b/include/lldb/Host/File.h
@@ -40,46 +40,13 @@ public:
         eOpenOptionTruncate             = (1u << 3),    // Truncate file when opening
         eOpenOptionNonBlocking          = (1u << 4),    // File reads
         eOpenOptionCanCreate            = (1u << 5),    // Create file if doesn't already exist
-        eOpenOptionCanCreateNewOnly     = (1u << 6)     // Can create file only if it doesn't already exist
+        eOpenOptionCanCreateNewOnly     = (1u << 6),    // Can create file only if it doesn't already exist
+        eOpenoptionDontFollowSymlinks   = (1u << 7)
     };
     
     static mode_t
     ConvertOpenOptionsForPOSIXOpen (uint32_t open_options);
     
-    enum Permissions
-    {
-        ePermissionsUserRead        = (1u << 8),
-        ePermissionsUserWrite       = (1u << 7),
-        ePermissionsUserExecute     = (1u << 6),
-        ePermissionsGroupRead       = (1u << 5),
-        ePermissionsGroupWrite      = (1u << 4),
-        ePermissionsGroupExecute    = (1u << 3),
-        ePermissionsWorldRead       = (1u << 2),
-        ePermissionsWorldWrite      = (1u << 1),
-        ePermissionsWorldExecute    = (1u << 0),
-
-        ePermissionsUserRW      = (ePermissionsUserRead    | ePermissionsUserWrite    | 0                        ),
-        ePermissionsUserRX      = (ePermissionsUserRead    | 0                        | ePermissionsUserExecute  ),
-        ePermissionsUserRWX     = (ePermissionsUserRead    | ePermissionsUserWrite    | ePermissionsUserExecute  ),
-
-        ePermissionsGroupRW     = (ePermissionsGroupRead   | ePermissionsGroupWrite   | 0                        ),
-        ePermissionsGroupRX     = (ePermissionsGroupRead   | 0                        | ePermissionsGroupExecute ),
-        ePermissionsGroupRWX    = (ePermissionsGroupRead   | ePermissionsGroupWrite   | ePermissionsGroupExecute ),
-
-        ePermissionsWorldRW     = (ePermissionsWorldRead   | ePermissionsWorldWrite   | 0                        ),
-        ePermissionsWorldRX     = (ePermissionsWorldRead   | 0                        | ePermissionsWorldExecute ),
-        ePermissionsWorldRWX    = (ePermissionsWorldRead   | ePermissionsWorldWrite   | ePermissionsWorldExecute ),
-
-        ePermissionsEveryoneR   = (ePermissionsUserRead    | ePermissionsGroupRead    | ePermissionsWorldRead    ),
-        ePermissionsEveryoneW   = (ePermissionsUserWrite   | ePermissionsGroupWrite   | ePermissionsWorldWrite   ),
-        ePermissionsEveryoneX   = (ePermissionsUserExecute | ePermissionsGroupExecute | ePermissionsWorldExecute ),
-
-        ePermissionsEveryoneRW  = (ePermissionsEveryoneR   | ePermissionsEveryoneW    | 0                        ),
-        ePermissionsEveryoneRX  = (ePermissionsEveryoneR   | 0                        | ePermissionsEveryoneX    ),
-        ePermissionsEveryoneRWX = (ePermissionsEveryoneR   | ePermissionsEveryoneW    | ePermissionsEveryoneX    ),
-        ePermissionsDefault     = (ePermissionsUserRW      | ePermissionsGroupRead)
-    };
-
     File() : 
         m_descriptor (kInvalidDescriptor),
         m_stream (kInvalidStream),
@@ -120,7 +87,7 @@ public:
     //------------------------------------------------------------------
     File (const char *path,
           uint32_t options,
-          uint32_t permissions = ePermissionsDefault);
+          uint32_t permissions = lldb::eFilePermissionsFileDefault);
 
     //------------------------------------------------------------------
     /// Constructor with FileSpec.
@@ -142,7 +109,7 @@ public:
     //------------------------------------------------------------------
     File (const FileSpec& filespec,
           uint32_t options,
-          uint32_t permissions = ePermissionsDefault);
+          uint32_t permissions = lldb::eFilePermissionsFileDefault);
     
     File (int fd, bool tranfer_ownership) : 
         m_descriptor (fd),
@@ -236,7 +203,7 @@ public:
     Error
     Open (const char *path,
           uint32_t options,
-          uint32_t permissions = ePermissionsDefault);
+          uint32_t permissions = lldb::eFilePermissionsFileDefault);
 
     Error
     Close ();
diff --git a/include/lldb/Host/FileSpec.h b/include/lldb/Host/FileSpec.h
index dfc6b711ae4a..086c8f200567 100644
--- a/include/lldb/Host/FileSpec.h
+++ b/include/lldb/Host/FileSpec.h
@@ -420,6 +420,21 @@ public:
     FileType
     GetFileType () const;
 
+    //------------------------------------------------------------------
+    /// Return the current permissions of the path.
+    ///
+    /// Returns a bitmask for the current permissions of the file
+    /// ( zero or more of the permission bits defined in
+    /// File::Permissions).
+    ///
+    /// @return
+    ///     Zero if the file doesn't exist or we are unable to get
+    ///     information for the file, otherwise one or more permission
+    ///     bits from the File::Permissions enumeration.
+    //------------------------------------------------------------------
+    uint32_t
+    GetPermissions () const;
+    
     bool
     IsDirectory () const
     {
@@ -636,7 +651,7 @@ public:
     void
     RemoveLastPathComponent ();
     
-    const char*
+    ConstString
     GetLastPathComponent () const;
     
     //------------------------------------------------------------------
diff --git a/include/lldb/Host/Host.h b/include/lldb/Host/Host.h
index 1d667dee5a20..fe0f6f62b3bc 100644
--- a/include/lldb/Host/Host.h
+++ b/include/lldb/Host/Host.h
@@ -510,13 +510,28 @@ public:
                              const char *symbol_name, 
                              Error &error);
     
-    static uint32_t
-    MakeDirectory (const char* path, mode_t mode);
+    static Error
+    MakeDirectory (const char* path, uint32_t mode);
+    
+    static Error
+    GetFilePermissions (const char* path, uint32_t &file_permissions);
+
+    static Error
+    SetFilePermissions (const char* path, uint32_t file_permissions);
     
+    static Error
+    Symlink (const char *src, const char *dst);
+    
+    static Error
+    Readlink (const char *path, char *buf, size_t buf_len);
+
+    static Error
+    Unlink (const char *path);
+
     static lldb::user_id_t
     OpenFile (const FileSpec& file_spec,
               uint32_t flags,
-              mode_t mode,
+              uint32_t mode,
               Error &error);
     
     static bool
diff --git a/include/lldb/Host/OptionParser.h b/include/lldb/Host/OptionParser.h
index 410e4d9f9468..ca83eeb1ed77 100644
--- a/include/lldb/Host/OptionParser.h
+++ b/include/lldb/Host/OptionParser.h
@@ -10,6 +10,10 @@
 #ifndef liblldb_OptionParser_h_
 #define liblldb_OptionParser_h_
 
+#include <string>
+
+struct option;
+
 namespace lldb_private {
 
 typedef struct Option
@@ -46,6 +50,7 @@ public:
     static char* GetOptionArgument();
     static int GetOptionIndex();
     static int GetOptionErrorCause();
+    static std::string GetShortOptionString(struct option *long_options);
 };
 
 }
diff --git a/include/lldb/Interpreter/PythonDataObjects.h b/include/lldb/Interpreter/PythonDataObjects.h
index a54318159d14..2762d452c0c8 100644
--- a/include/lldb/Interpreter/PythonDataObjects.h
+++ b/include/lldb/Interpreter/PythonDataObjects.h
@@ -19,11 +19,7 @@
 #include "lldb/Core/ConstString.h"
 #include "lldb/Core/Flags.h"
 #include "lldb/Interpreter/OptionValue.h"
-#if defined (__APPLE__)
-#include <Python/Python.h>
-#else
-#include <Python.h>
-#endif
+#include "lldb/lldb-python.h"
 
 namespace lldb_private {
     
diff --git a/include/lldb/Interpreter/ScriptInterpreterPython.h b/include/lldb/Interpreter/ScriptInterpreterPython.h
index 4b3dc61f3ee8..b729cb628007 100644
--- a/include/lldb/Interpreter/ScriptInterpreterPython.h
+++ b/include/lldb/Interpreter/ScriptInterpreterPython.h
@@ -17,12 +17,7 @@
 
 #else
 
-#if defined (__APPLE__)
-#include <Python/Python.h>
-#else
-#include <Python.h>
-#endif
-
+#include "lldb/lldb-python.h"
 #include "lldb/lldb-private.h"
 #include "lldb/Interpreter/ScriptInterpreter.h"
 #include "lldb/Core/InputReader.h"
diff --git a/include/lldb/Symbol/TypeList.h b/include/lldb/Symbol/TypeList.h
index be7d35482da0..4f3f2c9bdbeb 100644
--- a/include/lldb/Symbol/TypeList.h
+++ b/include/lldb/Symbol/TypeList.h
@@ -12,6 +12,7 @@
 
 #include "lldb/lldb-private.h"
 #include "lldb/Symbol/Type.h"
+#include "lldb/Utility/Iterable.h"
 #include <map>
 #include <functional>
 
@@ -51,6 +52,15 @@ public:
 
     lldb::TypeSP
     GetTypeAtIndex(uint32_t idx);
+    
+    typedef std::multimap<lldb::user_id_t, lldb::TypeSP> collection;
+    typedef AdaptedIterable<collection, lldb::TypeSP, map_adapter> TypeIterable;
+    
+    TypeIterable
+    Types ()
+    {
+        return TypeIterable(m_types);
+    }
 
     void
     ForEach (std::function <bool(const lldb::TypeSP &type_sp)> const &callback) const;
@@ -75,7 +85,6 @@ public:
     RemoveMismatchedTypes (lldb::TypeClass type_class);
 
 private:
-    typedef std::multimap<lldb::user_id_t, lldb::TypeSP> collection;
     typedef collection::iterator iterator;
     typedef collection::const_iterator const_iterator;
 
diff --git a/include/lldb/Target/ABI.h b/include/lldb/Target/ABI.h
index 16f8ee7fc7d7..cc6c46cf0ec9 100644
--- a/include/lldb/Target/ABI.h
+++ b/include/lldb/Target/ABI.h
@@ -18,6 +18,8 @@
 #include "lldb/Core/PluginInterface.h"
 #include "lldb/lldb-private.h"
 
+#include "llvm/ADT/ArrayRef.h"
+
 namespace lldb_private {
 
 class ABI :
@@ -35,12 +37,7 @@ public:
                         lldb::addr_t sp,
                         lldb::addr_t functionAddress,
                         lldb::addr_t returnAddress, 
-                        lldb::addr_t *arg1_ptr = NULL,
-                        lldb::addr_t *arg2_ptr = NULL,
-                        lldb::addr_t *arg3_ptr = NULL,
-                        lldb::addr_t *arg4_ptr = NULL,
-                        lldb::addr_t *arg5_ptr = NULL,
-                        lldb::addr_t *arg6_ptr = NULL) const = 0;
+                        llvm::ArrayRef<lldb::addr_t> args) const = 0;
 
     virtual bool
     GetArgumentValues (Thread &thread,
diff --git a/include/lldb/Target/LanguageRuntime.h b/include/lldb/Target/LanguageRuntime.h
index 93c0437da75d..0aaa67c2382c 100644
--- a/include/lldb/Target/LanguageRuntime.h
+++ b/include/lldb/Target/LanguageRuntime.h
@@ -67,6 +67,12 @@ public:
     }
     
     virtual bool
+    ExceptionBreakpointsAreSet ()
+    {
+        return false;
+    }
+    
+    virtual bool
     ExceptionBreakpointsExplainStop (lldb::StopInfoSP stop_reason)
     {
         return false;
diff --git a/include/lldb/Target/Platform.h b/include/lldb/Target/Platform.h
index 93cd67d66659..355c0528bed8 100644
--- a/include/lldb/Target/Platform.h
+++ b/include/lldb/Target/Platform.h
@@ -40,7 +40,8 @@ namespace lldb_private {
     ///     @li listing and getting info for existing processes
     ///     @li attaching and possibly debugging the platform's kernel
     //----------------------------------------------------------------------
-    class Platform : public PluginInterface
+    class Platform :
+        public PluginInterface
     {
     public:
 
@@ -214,8 +215,7 @@ namespace lldb_private {
         bool
         GetOSKernelDescription (std::string &s);
 
-        // Returns the the hostname if we are connected, else the short plugin
-        // name.
+        // Returns the the name of the platform
         ConstString
         GetName ();
 
@@ -269,6 +269,15 @@ namespace lldb_private {
         {
             return ArchSpec(); // Return an invalid architecture
         }
+        
+        virtual ConstString
+        GetRemoteWorkingDirectory()
+        {
+            return m_working_dir;
+        }
+        
+        virtual bool
+        SetRemoteWorkingDirectory(const ConstString &path);
 
         virtual const char *
         GetUserName (uint32_t uid);
@@ -384,10 +393,13 @@ namespace lldb_private {
         }
 
         //------------------------------------------------------------------
-        /// Subclasses should NOT need to implement this function as it uses
-        /// the Platform::LaunchProcess() followed by Platform::Attach ()
+        /// Subclasses do not need to implement this function as it uses
+        /// the Platform::LaunchProcess() followed by Platform::Attach ().
+        /// Remote platforms will want to subclass this function in order
+        /// to be able to intercept STDIO and possibly launch a separate
+        /// process that will debug the debuggee.
         //------------------------------------------------------------------
-        lldb::ProcessSP
+        virtual lldb::ProcessSP
         DebugProcess (ProcessLaunchInfo &launch_info,
                       Debugger &debugger,
                       Target *target,       // Can be NULL, if NULL create a new target, else use existing one
@@ -542,6 +554,12 @@ namespace lldb_private {
         {
             m_sdk_build = sdk_build;
         }    
+
+        ConstString
+        GetWorkingDirectory ();
+        
+        bool
+        SetWorkingDirectory (const ConstString &path);
         
         // There may be modules that we don't want to find by default for operations like "setting breakpoint by name".
         // The platform will return "true" from this call if the passed in module happens to be one of these.
@@ -552,23 +570,19 @@ namespace lldb_private {
             return false;
         }
         
-        virtual uint32_t
-        MakeDirectory (const std::string &path,
-                       mode_t mode)
-        {
-            return UINT32_MAX;
-        }
-        
-        // this need not be virtual: the core behavior is in
-        // MakeDirectory(std::string,mode_t)
-        uint32_t
-        MakeDirectory (const FileSpec &spec,
-                       mode_t mode);
+        virtual Error
+        MakeDirectory (const char *path, uint32_t permissions);
         
+        virtual Error
+        GetFilePermissions (const char *path, uint32_t &file_permissions);
+
+        virtual Error
+        SetFilePermissions (const char *path, uint32_t file_permissions);
+
         virtual lldb::user_id_t
         OpenFile (const FileSpec& file_spec,
                   uint32_t flags,
-                  mode_t mode,
+                  uint32_t mode,
                   Error &error)
         {
             return UINT64_MAX;
@@ -610,28 +624,54 @@ namespace lldb_private {
         }
         
         virtual Error
+        GetFile (const FileSpec& source,
+                 const FileSpec& destination);
+        
+        virtual Error
         PutFile (const FileSpec& source,
                  const FileSpec& destination,
                  uint32_t uid = UINT32_MAX,
                  uint32_t gid = UINT32_MAX);
-                
+
+        virtual Error
+        CreateSymlink (const char *src, // The name of the link is in src
+                       const char *dst);// The symlink points to dst
+
+        //----------------------------------------------------------------------
+        /// Install a file or directory to the remote system.
+        ///
+        /// Install is similar to Platform::PutFile(), but it differs in that if
+        /// an application/framework/shared library is installed on a remote
+        /// platform and the remote platform requires something to be done to
+        /// register the application/framework/shared library, then this extra
+        /// registration can be done.
+        ///
+        /// @param[in] src
+        ///     The source file/directory to install on the remote system.
+        ///
+        /// @param[in] dst
+        ///     The destination file/directory where \a src will be installed.
+        ///     If \a dst has no filename specified, then its filename will
+        ///     be set from \a src. It \a dst has no directory specified, it
+        ///     will use the platform working directory. If \a dst has a
+        ///     directory specified, but the directory path is relative, the
+        ///     platform working directory will be prepended to the relative
+        ///     directory.
+        ///
+        /// @return
+        ///     An error object that describes anything that went wrong.
+        //----------------------------------------------------------------------
+        virtual Error
+        Install (const FileSpec& src, const FileSpec& dst);
+
         virtual size_t
         GetEnvironment (StringList &environment);
         
-        virtual Error
-        GetFile (const FileSpec& source,
-                 const FileSpec& destination);
-        
         virtual bool
         GetFileExists (const lldb_private::FileSpec& file_spec);
         
-        virtual uint32_t
-        GetFilePermissions (const lldb_private::FileSpec &file_spec,
-                            Error &error)
-        {
-            error.SetErrorStringWithFormat ("Platform::GetFilePermissions() is not supported in the %s platform", GetName().GetCString());
-            return 0;
-        }
+        virtual Error
+        Unlink (const char *path);
 
         virtual bool
         GetSupportsRSync ()
@@ -806,6 +846,7 @@ namespace lldb_private {
         bool m_system_arch_set_while_connected;
         ConstString m_sdk_sysroot; // the root location of where the SDK files are all located
         ConstString m_sdk_build;
+        ConstString m_working_dir; // The working directory which is used when installing modules that have no install path set
         std::string m_remote_url;
         std::string m_name;
         uint32_t m_major_os_version;
diff --git a/include/lldb/Target/Process.h b/include/lldb/Target/Process.h
index aa7b5edc5af1..cda9b4f57118 100644
--- a/include/lldb/Target/Process.h
+++ b/include/lldb/Target/Process.h
@@ -1745,7 +1745,7 @@ public:
     ///     the error object is success.
     //------------------------------------------------------------------
     virtual Error
-    Launch (const ProcessLaunchInfo &launch_info);
+    Launch (ProcessLaunchInfo &launch_info);
 
     virtual Error
     LoadCore ();
@@ -2502,11 +2502,7 @@ public:
     ExecutionResults
     RunThreadPlan (ExecutionContext &exe_ctx,    
                     lldb::ThreadPlanSP &thread_plan_sp,
-                    bool stop_others,
-                    bool run_others,
-                    bool unwind_on_error,
-                    bool ignore_breakpoints,
-                    uint32_t timeout_usec,
+                    const EvaluateExpressionOptions &options,
                     Stream &errors);
 
     static const char *
@@ -3304,6 +3300,23 @@ public:
     {
         return m_thread_list;
     }
+
+    // When ExtendedBacktraces are requested, the HistoryThreads that are
+    // created need an owner -- they're saved here in the Process.  The
+    // threads in this list are not iterated over - driver programs need to
+    // request the extended backtrace calls starting from a root concrete
+    // thread one by one.
+    ThreadList &
+    GetExtendedThreadList ()
+    {
+        return m_extended_thread_list;
+    }
+
+    ThreadList::ThreadIterable
+    Threads ()
+    {
+        return m_thread_list.Threads();
+    }
     
     uint32_t
     GetNextThreadIndexID (uint64_t thread_id);
@@ -3670,6 +3683,8 @@ protected:
     ThreadList                  m_thread_list_real;     ///< The threads for this process as are known to the protocol we are debugging with
     ThreadList                  m_thread_list;          ///< The threads for this process as the user will see them. This is usually the same as
                                                         ///< m_thread_list_real, but might be different if there is an OS plug-in creating memory threads
+    ThreadList                  m_extended_thread_list; ///< Owner for extended threads that may be generated, cleared on natural stops
+    uint32_t                    m_extended_thread_stop_id; ///< The natural stop id when extended_thread_list was last updated
     std::vector<Notifications>  m_notifications;        ///< The list of notifications that this process can deliver.
     std::vector<lldb::addr_t>   m_image_tokens;
     Listener                    &m_listener;
diff --git a/include/lldb/Target/RegisterCheckpoint.h b/include/lldb/Target/RegisterCheckpoint.h
new file mode 100644
index 000000000000..3e61e1490d4b
--- /dev/null
+++ b/include/lldb/Target/RegisterCheckpoint.h
@@ -0,0 +1,71 @@
+//===-- RegisterCheckpoint.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_RegisterCheckpoint_h_
+#define liblldb_RegisterCheckpoint_h_
+
+#include "lldb/lldb-private.h"
+#include "lldb/Core/UserID.h"
+#include "lldb/Target/StackID.h"
+
+namespace lldb_private {
+
+    // Inherit from UserID in case pushing/popping all register values can be
+    // done using a 64 bit integer that holds a baton/cookie instead of actually
+    // having to read all register values into a buffer
+    class RegisterCheckpoint : public UserID
+    {
+    public:
+        
+        enum class Reason {
+            // An expression is about to be run on the thread if the protocol that
+            // talks to the debuggee supports checkpointing the registers using a
+            // push/pop then the UserID base class in the RegisterCheckpoint can
+            // be used to store the baton/cookie that refers to the remote saved
+            // state.
+            eExpression,
+            // The register checkpoint wants the raw register bytes, so they must
+            // be read into m_data_sp, or the save/restore checkpoint should fail.
+            eDataBackup
+        };
+        
+        RegisterCheckpoint(Reason reason) :
+            UserID(0),
+            m_data_sp (),
+            m_reason(reason)
+        {
+        }
+        
+        ~RegisterCheckpoint()
+        {
+        }
+        
+        lldb::DataBufferSP &
+        GetData()
+        {
+            return m_data_sp;
+        }
+        
+        const lldb::DataBufferSP &
+        GetData() const
+        {
+            return m_data_sp;
+        }
+        
+    protected:
+        lldb::DataBufferSP m_data_sp;
+        Reason m_reason;
+        
+        // Make RegisterCheckpointSP if you wish to share the data in this class.
+        DISALLOW_COPY_AND_ASSIGN(RegisterCheckpoint);
+    };
+    
+} // namespace lldb_private
+
+#endif  // liblldb_RegisterCheckpoint_h_
diff --git a/include/lldb/Target/RegisterContext.h b/include/lldb/Target/RegisterContext.h
index 7da462700110..421acc03cb22 100644
--- a/include/lldb/Target/RegisterContext.h
+++ b/include/lldb/Target/RegisterContext.h
@@ -59,6 +59,18 @@ public:
     virtual bool
     WriteRegister (const RegisterInfo *reg_info, const RegisterValue &reg_value) = 0;
     
+    virtual bool
+    ReadAllRegisterValues (lldb::DataBufferSP &data_sp)
+    {
+        return false;
+    }
+    
+    virtual bool
+    WriteAllRegisterValues (const lldb::DataBufferSP &data_sp)
+    {
+        return false;
+    }
+
     // These two functions are used to implement "push" and "pop" of register states.  They are used primarily
     // for expression evaluation, where we need to push a new state (storing the old one in data_sp) and then
     // restoring the original state by passing the data_sp we got from ReadAllRegisters to WriteAllRegisterValues.
@@ -67,10 +79,10 @@ public:
     // so these API's should only be used when this behavior is needed.
     
     virtual bool
-    ReadAllRegisterValues (lldb::DataBufferSP &data_sp) = 0;
-
+    ReadAllRegisterValues (lldb_private::RegisterCheckpoint &reg_checkpoint);
+    
     virtual bool
-    WriteAllRegisterValues (const lldb::DataBufferSP &data_sp) = 0;
+    WriteAllRegisterValues (const lldb_private::RegisterCheckpoint &reg_checkpoint);
     
     bool
     CopyFromRegisterContext (lldb::RegisterContextSP context);
diff --git a/include/lldb/Target/SystemRuntime.h b/include/lldb/Target/SystemRuntime.h
index 6c0a4205d5f2..7a0703e6cc34 100644
--- a/include/lldb/Target/SystemRuntime.h
+++ b/include/lldb/Target/SystemRuntime.h
@@ -127,7 +127,7 @@ public:
     ///   An empty vector may be returned if no thread origin extended 
     ///   backtrace capabilities are available.
     //------------------------------------------------------------------
-    virtual std::vector<ConstString>
+    virtual const std::vector<ConstString> &
     GetExtendedBacktraceTypes ();
 
     //------------------------------------------------------------------
@@ -158,13 +158,16 @@ public:
     ///   An empty ThreadSP will be returned if no thread origin is available.
     //------------------------------------------------------------------
     virtual lldb::ThreadSP
-    GetExtendedBacktrace (lldb::ThreadSP thread, ConstString type);
+    GetExtendedBacktraceThread (lldb::ThreadSP thread, ConstString type);
 
 protected:
     //------------------------------------------------------------------
     // Member variables.
     //------------------------------------------------------------------
     Process *m_process;
+
+    std::vector<ConstString> m_types;
+
 private:
     DISALLOW_COPY_AND_ASSIGN (SystemRuntime);
 };
diff --git a/include/lldb/Target/Target.h b/include/lldb/Target/Target.h
index 1c90ea6f15eb..d874891a6aff 100644
--- a/include/lldb/Target/Target.h
+++ b/include/lldb/Target/Target.h
@@ -189,8 +189,10 @@ public:
         m_unwind_on_error(true),
         m_ignore_breakpoints (false),
         m_keep_in_memory(false),
-        m_run_others(true),
+        m_try_others(true),
+        m_stop_others(true),
         m_debug(false),
+        m_trap_exceptions(true),
         m_use_dynamic(lldb::eNoDynamicValues),
         m_timeout_usec(default_timeout)
     {}
@@ -201,11 +203,10 @@ public:
         return m_execution_policy;
     }
     
-    EvaluateExpressionOptions&
+    void
     SetExecutionPolicy (ExecutionPolicy policy = eExecutionPolicyAlways)
     {
         m_execution_policy = policy;
-        return *this;
     }
     
     lldb::LanguageType
@@ -214,11 +215,10 @@ public:
         return m_language;
     }
     
-    EvaluateExpressionOptions&
+    void
     SetLanguage(lldb::LanguageType language)
     {
         m_language = language;
-        return *this;
     }
     
     bool
@@ -227,11 +227,10 @@ public:
         return m_coerce_to_id;
     }
     
-    EvaluateExpressionOptions&
+    void
     SetCoerceToId (bool coerce = true)
     {
         m_coerce_to_id = coerce;
-        return *this;
     }
     
     bool
@@ -240,11 +239,10 @@ public:
         return m_unwind_on_error;
     }
     
-    EvaluateExpressionOptions&
+    void
     SetUnwindOnError (bool unwind = false)
     {
         m_unwind_on_error = unwind;
-        return *this;
     }
     
     bool
@@ -253,11 +251,10 @@ public:
         return m_ignore_breakpoints;
     }
     
-    EvaluateExpressionOptions&
+    void
     SetIgnoreBreakpoints (bool ignore = false)
     {
         m_ignore_breakpoints = ignore;
-        return *this;
     }
     
     bool
@@ -266,11 +263,10 @@ public:
         return m_keep_in_memory;
     }
     
-    EvaluateExpressionOptions&
+    void
     SetKeepInMemory (bool keep = true)
     {
         m_keep_in_memory = keep;
-        return *this;
     }
     
     lldb::DynamicValueType
@@ -279,11 +275,10 @@ public:
         return m_use_dynamic;
     }
     
-    EvaluateExpressionOptions&
+    void
     SetUseDynamic (lldb::DynamicValueType dynamic = lldb::eDynamicCanRunTarget)
     {
         m_use_dynamic = dynamic;
-        return *this;
     }
     
     uint32_t
@@ -292,24 +287,34 @@ public:
         return m_timeout_usec;
     }
     
-    EvaluateExpressionOptions&
+    void
     SetTimeoutUsec (uint32_t timeout = 0)
     {
         m_timeout_usec = timeout;
-        return *this;
     }
     
     bool
-    GetRunOthers () const
+    GetTryAllThreads () const
     {
-        return m_run_others;
+        return m_try_others;
     }
     
-    EvaluateExpressionOptions&
-    SetRunOthers (bool run_others = true)
+    void
+    SetTryAllThreads (bool try_others = true)
+    {
+        m_try_others = try_others;
+    }
+    
+    bool
+    GetStopOthers () const
+    {
+        return m_stop_others;
+    }
+    
+    void
+    SetStopOthers (bool stop_others = true)
     {
-        m_run_others = run_others;
-        return *this;
+        m_stop_others = stop_others;
     }
     
     bool
@@ -318,11 +323,22 @@ public:
         return m_debug;
     }
     
-    EvaluateExpressionOptions&
+    void
     SetDebug(bool b)
     {
         m_debug = b;
-        return *this;
+    }
+    
+    bool
+    GetTrapExceptions() const
+    {
+        return m_trap_exceptions;
+    }
+    
+    void
+    SetTrapExceptions (bool b)
+    {
+        m_trap_exceptions = b;
     }
 
 private:
@@ -332,8 +348,10 @@ private:
     bool m_unwind_on_error;
     bool m_ignore_breakpoints;
     bool m_keep_in_memory;
-    bool m_run_others;
+    bool m_try_others;
+    bool m_stop_others;
     bool m_debug;
+    bool m_trap_exceptions;
     lldb::DynamicValueType m_use_dynamic;
     uint32_t m_timeout_usec;
 };
@@ -741,9 +759,23 @@ public:
     SymbolsDidLoad (ModuleList &module_list);
     
     void
-    ClearModules();
+    ClearModules(bool delete_locations);
 
     //------------------------------------------------------------------
+    /// Called as the last function in Process::DidExec().
+    ///
+    /// Process::DidExec() will clear a lot of state in the process,
+    /// then try to reload a dynamic loader plugin to discover what
+    /// binaries are currently available and then this function should
+    /// be called to allow the target to do any cleanup after everything
+    /// has been figured out. It can remove breakpoints that no longer
+    /// make sense as the exec might have changed the target
+    /// architecture, and unloaded some modules that might get deleted.
+    //------------------------------------------------------------------
+    void
+    DidExec ();
+    
+    //------------------------------------------------------------------
     /// Gets the module for the main executable.
     ///
     /// Each process has a notion of a main executable that is the file
@@ -1009,6 +1041,12 @@ public:
     ClangASTImporter *
     GetClangASTImporter();
     
+    //----------------------------------------------------------------------
+    // Install any files through the platform that need be to installed
+    // prior to launching or attaching.
+    //----------------------------------------------------------------------
+    Error
+    Install(ProcessLaunchInfo *launch_info);
     
     // Since expressions results can persist beyond the lifetime of a process,
     // and the const expression results are available after a process is gone,
diff --git a/include/lldb/Target/Thread.h b/include/lldb/Target/Thread.h
index 7dac37caa200..4f78b0fe6998 100644
--- a/include/lldb/Target/Thread.h
+++ b/include/lldb/Target/Thread.h
@@ -17,6 +17,7 @@
 #include "lldb/Core/UserID.h"
 #include "lldb/Core/UserSettingsController.h"
 #include "lldb/Target/ExecutionContextScope.h"
+#include "lldb/Target/RegisterCheckpoint.h"
 #include "lldb/Target/StackFrameList.h"
 
 #define LLDB_THREAD_MAX_STOP_EXC_DATA 8
@@ -130,79 +131,12 @@ public:
     DISALLOW_COPY_AND_ASSIGN (ThreadEventData);
     };
     
-    // TODO: You shouldn't just checkpoint the register state alone, so this should get
-    // moved to protected.  To do that ThreadStateCheckpoint needs to be returned as a token...
-    class RegisterCheckpoint
-    {
-    public:
-
-        RegisterCheckpoint() :
-            m_stack_id (),
-            m_data_sp ()
-        {
-        }
-
-        RegisterCheckpoint (const StackID &stack_id) :
-            m_stack_id (stack_id),
-            m_data_sp ()
-        {
-        }
-
-        ~RegisterCheckpoint()
-        {
-        }
-
-        const RegisterCheckpoint&
-        operator= (const RegisterCheckpoint &rhs)
-        {
-            if (this != &rhs)
-            {
-                this->m_stack_id = rhs.m_stack_id;
-                this->m_data_sp  = rhs.m_data_sp;
-            }
-            return *this;
-        }
-        
-        RegisterCheckpoint (const RegisterCheckpoint &rhs) :
-            m_stack_id (rhs.m_stack_id),
-            m_data_sp (rhs.m_data_sp)
-        {
-        }
-        
-        const StackID &
-        GetStackID()
-        {
-            return m_stack_id;
-        }
-
-        void
-        SetStackID (const StackID &stack_id)
-        {
-            m_stack_id = stack_id;
-        }
-
-        lldb::DataBufferSP &
-        GetData()
-        {
-            return m_data_sp;
-        }
-
-        const lldb::DataBufferSP &
-        GetData() const
-        {
-            return m_data_sp;
-        }
-
-    protected:
-        StackID m_stack_id;
-        lldb::DataBufferSP m_data_sp;
-    };
 
     struct ThreadStateCheckpoint
     {
         uint32_t           orig_stop_id;  // Dunno if I need this yet but it is an interesting bit of data.
         lldb::StopInfoSP   stop_info_sp;  // You have to restore the stop info or you might continue with the wrong signals.
-        RegisterCheckpoint register_backup;  // You need to restore the registers, of course...
+        lldb::RegisterCheckpointSP register_backup_sp;  // You need to restore the registers, of course...
         uint32_t           current_inlined_depth;
         lldb::addr_t       current_inlined_pc;
     };
@@ -339,18 +273,33 @@ public:
         return NULL;
     }
 
+    virtual void
+    SetName (const char *name)
+    {
+    }
+
     virtual lldb::queue_id_t
     GetQueueID ()
     {
         return LLDB_INVALID_QUEUE_ID;
     }
 
+    virtual void
+    SetQueueID (lldb::queue_id_t new_val)
+    {
+    }
+
     virtual const char *
     GetQueueName ()
     {
         return NULL;
     }
 
+    virtual void
+    SetQueueName (const char *name)
+    {
+    }
+
     virtual uint32_t
     GetStackFrameCount()
     {
@@ -529,21 +478,6 @@ public:
     QueueFundamentalPlan (bool abort_other_plans);
 
     //------------------------------------------------------------------
-    /// Queues the plan used to step over a breakpoint at the current PC of \a thread.
-    /// The default version returned by Process handles trap based breakpoints, and
-    /// will disable the breakpoint, single step over it, then re-enable it.
-    ///
-    /// @param[in] abort_other_plans
-    ///    \b true if we discard the currently queued plans and replace them with this one.
-    ///    Otherwise this plan will go on the end of the plan stack.
-    ///
-    /// @return
-    ///     A shared pointer to the newly queued thread plan, or NULL if the plan could not be queued.
-    //------------------------------------------------------------------
-    virtual lldb::ThreadPlanSP
-    QueueThreadPlanForStepOverBreakpointPlan (bool abort_other_plans);
-
-    //------------------------------------------------------------------
     /// Queues the plan used to step one instruction from the current PC of \a thread.
     ///
     /// @param[in] step_over
@@ -728,14 +662,6 @@ public:
                                  bool stop_others,
                                  uint32_t frame_idx);
 
-    virtual lldb::ThreadPlanSP
-    QueueThreadPlanForCallFunction (bool abort_other_plans,
-                                    Address& function,
-                                    lldb::addr_t arg,
-                                    bool stop_other_threads,
-                                    bool unwind_on_error = false,
-                                    bool ignore_breakpoints = true);
-                                            
     //------------------------------------------------------------------
     // Thread Plan accessors:
     //------------------------------------------------------------------
@@ -879,7 +805,7 @@ public:
     
     void
     SetTracer (lldb::ThreadPlanTracerSP &tracer_sp);
-    
+
     //------------------------------------------------------------------
     // Get the thread index ID. The index ID that is guaranteed to not
     // be re-used by a process. They start at 1 and increase with each
@@ -888,8 +814,25 @@ public:
     //------------------------------------------------------------------
     uint32_t
     GetIndexID () const;
-    
-    
+
+    //------------------------------------------------------------------
+    // Get the originating thread's index ID. 
+    // In the case of an "extended" thread -- a thread which represents
+    // the stack that enqueued/spawned work that is currently executing --
+    // we need to provide the IndexID of the thread that actually did
+    // this work.  We don't want to just masquerade as that thread's IndexID
+    // by using it in our own IndexID because that way leads to madness -
+    // but the driver program which is iterating over extended threads 
+    // may ask for the OriginatingThreadID to display that information
+    // to the user. 
+    // Normal threads will return the same thing as GetIndexID();
+    //------------------------------------------------------------------
+    virtual uint32_t
+    GetExtendedBacktraceOriginatingIndexID ()
+    {
+        return GetIndexID ();
+    }
+
     //------------------------------------------------------------------
     // The API ID is often the same as the Thread::GetID(), but not in
     // all cases. Thread::GetID() is the user visible thread ID that
@@ -1001,6 +944,33 @@ public:
     void
     SetShouldReportStop (Vote vote);
 
+    //----------------------------------------------------------------------
+    /// Sets the extended backtrace token for this thread
+    ///
+    /// Some Thread subclasses may maintain a token to help with providing
+    /// an extended backtrace.  The SystemRuntime plugin will set/request this.
+    ///
+    /// @param [in] token
+    //----------------------------------------------------------------------
+    virtual void
+    SetExtendedBacktraceToken (uint64_t token) { }
+
+    //----------------------------------------------------------------------
+    /// Gets the extended backtrace token for this thread
+    ///
+    /// Some Thread subclasses may maintain a token to help with providing
+    /// an extended backtrace.  The SystemRuntime plugin will set/request this.
+    ///
+    /// @return
+    ///     The token needed by the SystemRuntime to create an extended backtrace.
+    ///     LLDB_INVALID_ADDRESS is returned if no token is available.
+    //----------------------------------------------------------------------
+    virtual uint64_t
+    GetExtendedBacktraceToken ()
+    {
+        return LLDB_INVALID_ADDRESS;
+    }
+
 protected:
 
     friend class ThreadPlan;
@@ -1027,16 +997,6 @@ protected:
 
     typedef std::vector<lldb::ThreadPlanSP> plan_stack;
 
-    virtual bool
-    SaveFrameZeroState (RegisterCheckpoint &checkpoint);
-
-    virtual bool
-    RestoreSaveFrameZero (const RegisterCheckpoint &checkpoint);
-    
-    // register_data_sp must be a DataSP passed to ReadAllRegisterValues.
-    bool
-    ResetFrameZeroRegisters (lldb::DataBufferSP register_data_sp);
-
     virtual lldb_private::Unwind *
     GetUnwinder ();
 
@@ -1058,12 +1018,6 @@ protected:
     lldb::StackFrameListSP
     GetStackFrameList ();
     
-    struct ThreadState
-    {
-        uint32_t           orig_stop_id;
-        lldb::StopInfoSP   stop_info_sp;
-        RegisterCheckpoint register_backup;
-    };
 
     //------------------------------------------------------------------
     // Classes that inherit from Process can see and modify these
diff --git a/include/lldb/Target/ThreadList.h b/include/lldb/Target/ThreadList.h
index ddf49b002ecf..f4dfdb23ec0f 100644
--- a/include/lldb/Target/ThreadList.h
+++ b/include/lldb/Target/ThreadList.h
@@ -14,6 +14,7 @@
 
 #include "lldb/lldb-private.h"
 #include "lldb/Core/UserID.h"
+#include "lldb/Utility/Iterable.h"
 
 
 // FIXME: Currently this is a thread list with lots of functionality for use only by
@@ -69,6 +70,15 @@ public:
     // is a unique index assigned
     lldb::ThreadSP
     GetThreadAtIndex (uint32_t idx, bool can_update = true);
+    
+    typedef std::vector<lldb::ThreadSP> collection;
+    typedef LockingAdaptedIterable<collection, lldb::ThreadSP, vector_adapter> ThreadIterable;
+    
+    ThreadIterable
+    Threads ()
+    {
+        return ThreadIterable(m_threads, GetMutex());
+    }
 
     lldb::ThreadSP
     FindThreadByID (lldb::tid_t tid, bool can_update = true);
@@ -145,7 +155,6 @@ protected:
     void
     NotifySelectedThreadChanged (lldb::tid_t tid);
 
-    typedef std::vector<lldb::ThreadSP> collection;
     //------------------------------------------------------------------
     // Classes that inherit from Process can see and modify these
     //------------------------------------------------------------------
diff --git a/include/lldb/Target/ThreadPlanCallFunction.h b/include/lldb/Target/ThreadPlanCallFunction.h
index 7b8efb60b880..18f1d0facbf6 100644
--- a/include/lldb/Target/ThreadPlanCallFunction.h
+++ b/include/lldb/Target/ThreadPlanCallFunction.h
@@ -18,6 +18,8 @@
 #include "lldb/Target/Thread.h"
 #include "lldb/Target/ThreadPlan.h"
 
+#include "llvm/ADT/ArrayRef.h"
+
 namespace lldb_private {
 
 class ThreadPlanCallFunction : public ThreadPlan
@@ -29,25 +31,8 @@ public:
     ThreadPlanCallFunction (Thread &thread,
                             const Address &function,
                             const ClangASTType &return_type,
-                            lldb::addr_t arg,
-                            bool stop_other_threads,
-                            bool unwind_on_error = true,
-                            bool ignore_breakpoints = false,
-                            lldb::addr_t *this_arg = 0,
-                            lldb::addr_t *cmd_arg = 0);
-
-    ThreadPlanCallFunction (Thread &thread,
-                            const Address &function,
-                            const ClangASTType &return_type,
-                            bool stop_other_threads,
-                            bool unwind_on_error,
-                            bool ignore_breakpoints,
-                            lldb::addr_t *arg1_ptr = NULL,
-                            lldb::addr_t *arg2_ptr = NULL,
-                            lldb::addr_t *arg3_ptr = NULL,
-                            lldb::addr_t *arg4_ptr = NULL,
-                            lldb::addr_t *arg5_ptr = NULL,
-                            lldb::addr_t *arg6_ptr = NULL);
+                            llvm::ArrayRef<lldb::addr_t> args,
+                            const EvaluateExpressionOptions &options);
 
     virtual
     ~ThreadPlanCallFunction ();
@@ -171,10 +156,13 @@ private:
     
     bool                                            m_valid;
     bool                                            m_stop_other_threads;
+    bool                                            m_unwind_on_error;
+    bool                                            m_ignore_breakpoints;
+    bool                                            m_debug_execution;
+    bool                                            m_trap_exceptions;
     Address                                         m_function_addr;
     Address                                         m_start_addr;
     lldb::addr_t                                    m_function_sp;
-    Thread::RegisterCheckpoint                      m_register_backup;
     lldb::ThreadPlanSP                              m_subplan_sp;
     LanguageRuntime                                *m_cxx_language_runtime;
     LanguageRuntime                                *m_objc_language_runtime;
@@ -187,9 +175,9 @@ private:
     ClangASTType                                    m_return_type;
     lldb::ValueObjectSP                             m_return_valobj_sp;  // If this contains a valid pointer, use the ABI to extract values when complete
     bool                                            m_takedown_done;    // We want to ensure we only do the takedown once.  This ensures that.
+    bool                                            m_should_clear_objc_exception_bp;
+    bool                                            m_should_clear_cxx_exception_bp;
     lldb::addr_t                                    m_stop_address;     // This is the address we stopped at.  Also set in DoTakedown;
-    bool                                            m_unwind_on_error;
-    bool                                            m_ignore_breakpoints;
 
     DISALLOW_COPY_AND_ASSIGN (ThreadPlanCallFunction);
 };
diff --git a/include/lldb/Target/ThreadPlanCallUserExpression.h b/include/lldb/Target/ThreadPlanCallUserExpression.h
index 7a7ec33049e0..5eb7cc1cd452 100644
--- a/include/lldb/Target/ThreadPlanCallUserExpression.h
+++ b/include/lldb/Target/ThreadPlanCallUserExpression.h
@@ -20,6 +20,8 @@
 #include "lldb/Target/ThreadPlan.h"
 #include "lldb/Target/ThreadPlanCallFunction.h"
 
+#include "llvm/ADT/ArrayRef.h"
+
 namespace lldb_private {
 
 class ThreadPlanCallUserExpression : public ThreadPlanCallFunction
@@ -27,12 +29,8 @@ class ThreadPlanCallUserExpression : public ThreadPlanCallFunction
 public:
     ThreadPlanCallUserExpression (Thread &thread,
                                   Address &function,
-                                  lldb::addr_t arg,
-                                  bool stop_other_threads,
-                                  bool unwind_on_error,
-                                  bool ignore_breakpoints,
-                                  lldb::addr_t *this_arg,
-                                  lldb::addr_t *cmd_arg,
+                                  llvm::ArrayRef<lldb::addr_t> args,
+                                  const EvaluateExpressionOptions &options,
                                   ClangUserExpression::ClangUserExpressionSP &user_expression_sp);
     
     virtual
diff --git a/include/lldb/Utility/Iterable.h b/include/lldb/Utility/Iterable.h
new file mode 100644
index 000000000000..9b91cae37eef
--- /dev/null
+++ b/include/lldb/Utility/Iterable.h
@@ -0,0 +1,225 @@
+//===-- Iterable.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_Iterable_h_
+#define liblldb_Iterable_h_
+
+#include "lldb/Host/Mutex.h"
+
+namespace lldb_private
+{
+    
+template <typename I, typename E> E map_adapter(I &iter)
+{
+    return iter->second;
+}
+    
+template <typename I, typename E> E vector_adapter(I &iter)
+{
+    return *iter;
+}
+    
+template <typename C, typename E, E (*A)(typename C::const_iterator &)> class AdaptedConstIterator
+{
+public:
+    typedef typename C::const_iterator BackingIterator;
+private:
+    BackingIterator m_iter;
+public:
+    // Wrapping constructor
+    AdaptedConstIterator (BackingIterator backing_iterator) :
+        m_iter(backing_iterator)
+    {
+    }
+    
+    // Default-constructible
+    AdaptedConstIterator () :
+        m_iter()
+    {
+    }
+    
+    // Copy-constructible
+    AdaptedConstIterator (const AdaptedConstIterator &rhs) :
+        m_iter(rhs.m_iter)
+    {
+    }
+    
+    // Copy-assignable
+    AdaptedConstIterator &operator= (const AdaptedConstIterator &rhs)
+    {
+        m_iter = rhs.m_iter;
+        return *this;
+    }
+    
+    // Destructible
+    ~AdaptedConstIterator () { }
+    
+    // Comparable
+    bool operator== (const AdaptedConstIterator &rhs)
+    {
+        return m_iter == rhs.m_iter;
+    }
+    
+    bool operator!= (const AdaptedConstIterator &rhs)
+    {
+        return m_iter != rhs.m_iter;
+    }
+    
+    // Rvalue dereferenceable
+    E operator* ()
+    {
+        return (*A)(m_iter);
+    }
+    
+    E operator-> ()
+    {
+        return (*A)(m_iter);
+    }
+    
+    // Offset dereferenceable
+    E operator[] (typename BackingIterator::difference_type offset)
+    {
+        return AdaptedConstIterator(m_iter + offset);
+    }
+    
+    // Incrementable
+    AdaptedConstIterator &operator++ ()
+    {
+        m_iter++;
+        return *this;
+    }
+    
+    // Decrementable
+    AdaptedConstIterator &operator-- ()
+    {
+        m_iter--;
+        return *this;
+    }
+    
+    // Compound assignment
+    AdaptedConstIterator &operator+= (typename BackingIterator::difference_type offset)
+    {
+        m_iter += offset;
+        return *this;
+    }
+    
+    AdaptedConstIterator &operator-= (typename BackingIterator::difference_type offset)
+    {
+        m_iter -= offset;
+        return *this;
+    }
+    
+    // Arithmetic
+    AdaptedConstIterator operator+ (typename BackingIterator::difference_type offset)
+    {
+        return AdaptedConstIterator(m_iter + offset);
+    }
+    
+    AdaptedConstIterator operator- (typename BackingIterator::difference_type offset)
+    {
+        return AdaptedConstIterator(m_iter - offset);
+    }
+    
+    // Comparable
+    bool operator< (AdaptedConstIterator &rhs)
+    {
+        return m_iter < rhs.m_iter;
+    }
+    
+    bool operator<= (AdaptedConstIterator &rhs)
+    {
+        return m_iter <= rhs.m_iter;
+    }
+    
+    bool operator> (AdaptedConstIterator &rhs)
+    {
+        return m_iter > rhs.m_iter;
+    }
+    
+    bool operator>= (AdaptedConstIterator &rhs)
+    {
+        return m_iter >= rhs.m_iter;
+    }
+    
+    friend AdaptedConstIterator operator+(typename BackingIterator::difference_type, AdaptedConstIterator &);
+    friend typename BackingIterator::difference_type operator-(AdaptedConstIterator &, AdaptedConstIterator &);
+    friend void swap(AdaptedConstIterator &, AdaptedConstIterator &);
+};
+    
+template <typename C, typename E, E (*A)(typename C::const_iterator &)>
+AdaptedConstIterator<C, E, A> operator+ (typename AdaptedConstIterator<C, E, A>::BackingIterator::difference_type offset, AdaptedConstIterator<C, E, A> &rhs)
+{
+    return rhs.operator+(offset);
+}
+
+template <typename C, typename E, E (*A)(typename C::const_iterator &)>
+typename AdaptedConstIterator<C, E, A>::BackingIterator::difference_type operator- (AdaptedConstIterator<C, E, A> &lhs, AdaptedConstIterator<C, E, A> &rhs)
+{
+    return(lhs.m_iter - rhs.m_iter);
+}
+
+template <typename C, typename E, E (*A)(typename C::const_iterator &)>
+void swap (AdaptedConstIterator<C, E, A> &lhs, AdaptedConstIterator<C, E, A> &rhs)
+{
+    std::swap(lhs.m_iter, rhs.m_iter);
+}
+    
+template <typename C, typename E, E (*A)(typename C::const_iterator &)> class AdaptedIterable
+{
+private:
+    const C &m_container;
+public:
+    AdaptedIterable (const C &container) :
+        m_container(container)
+    {
+    }
+    
+    AdaptedConstIterator<C, E, A> begin ()
+    {
+        return AdaptedConstIterator<C, E, A>(m_container.begin());
+    }
+    
+    AdaptedConstIterator<C, E, A> end ()
+    {
+        return AdaptedConstIterator<C, E, A>(m_container.end());
+    }
+};
+    
+template <typename C, typename E, E (*A)(typename C::const_iterator &)> class LockingAdaptedIterable : public AdaptedIterable<C, E, A>
+{
+private:
+    Mutex *m_mutex = nullptr;
+public:
+    LockingAdaptedIterable (C &container, Mutex &mutex) :
+        AdaptedIterable<C,E,A>(container),
+        m_mutex(&mutex)
+    {
+        m_mutex->Lock();
+    }
+    
+    LockingAdaptedIterable (LockingAdaptedIterable &&rhs) :
+        AdaptedIterable<C,E,A>(rhs),
+        m_mutex(rhs.m_mutex)
+    {
+        rhs.m_mutex = NULL;
+    }
+    
+    ~LockingAdaptedIterable ()
+    {
+        if (m_mutex)
+            m_mutex->Unlock();
+    }
+    
+private:
+    DISALLOW_COPY_AND_ASSIGN(LockingAdaptedIterable);
+};
+    
+}
+
+#endif
diff --git a/include/lldb/Utility/PythonPointer.h b/include/lldb/Utility/PythonPointer.h
index f782f7f1313c..fe90670fd2e1 100644
--- a/include/lldb/Utility/PythonPointer.h
+++ b/include/lldb/Utility/PythonPointer.h
@@ -12,11 +12,7 @@
 
 #include <algorithm>
 
-#if defined (__APPLE__)
-#include <Python/Python.h>
-#else
-#include <Python.h>
-#endif
+#include "lldb/lldb-python.h"
 
 namespace lldb_private {
 
diff --git a/include/lldb/lldb-enumerations.h b/include/lldb/lldb-enumerations.h
index ae8c92be900b..0b341575be46 100644
--- a/include/lldb/lldb-enumerations.h
+++ b/include/lldb/lldb-enumerations.h
@@ -684,6 +684,48 @@ namespace lldb {
         eAddressClassRuntime
     } AddressClass;
 
+    //----------------------------------------------------------------------
+    // File Permissions
+    //
+    // Designed to mimic the unix file permission bits so they can be
+    // used with functions that set 'mode_t' to certain values for
+    // permissions.
+    //----------------------------------------------------------------------
+    typedef enum FilePermissions
+    {
+        eFilePermissionsUserRead        = (1u << 8),
+        eFilePermissionsUserWrite       = (1u << 7),
+        eFilePermissionsUserExecute     = (1u << 6),
+        eFilePermissionsGroupRead       = (1u << 5),
+        eFilePermissionsGroupWrite      = (1u << 4),
+        eFilePermissionsGroupExecute    = (1u << 3),
+        eFilePermissionsWorldRead       = (1u << 2),
+        eFilePermissionsWorldWrite      = (1u << 1),
+        eFilePermissionsWorldExecute    = (1u << 0),
+        
+        eFilePermissionsUserRW      = (eFilePermissionsUserRead    | eFilePermissionsUserWrite      | 0                             ),
+        eFileFilePermissionsUserRX  = (eFilePermissionsUserRead    | 0                              | eFilePermissionsUserExecute   ),
+        eFilePermissionsUserRWX     = (eFilePermissionsUserRead    | eFilePermissionsUserWrite      | eFilePermissionsUserExecute   ),
+            
+        eFilePermissionsGroupRW     = (eFilePermissionsGroupRead   | eFilePermissionsGroupWrite     | 0                             ),
+        eFilePermissionsGroupRX     = (eFilePermissionsGroupRead   | 0                              | eFilePermissionsGroupExecute  ),
+        eFilePermissionsGroupRWX    = (eFilePermissionsGroupRead   | eFilePermissionsGroupWrite     | eFilePermissionsGroupExecute  ),
+        
+        eFilePermissionsWorldRW     = (eFilePermissionsWorldRead   | eFilePermissionsWorldWrite     | 0                             ),
+        eFilePermissionsWorldRX     = (eFilePermissionsWorldRead   | 0                              | eFilePermissionsWorldExecute  ),
+        eFilePermissionsWorldRWX    = (eFilePermissionsWorldRead   | eFilePermissionsWorldWrite     | eFilePermissionsWorldExecute  ),
+        
+        eFilePermissionsEveryoneR   = (eFilePermissionsUserRead    | eFilePermissionsGroupRead      | eFilePermissionsWorldRead     ),
+        eFilePermissionsEveryoneW   = (eFilePermissionsUserWrite   | eFilePermissionsGroupWrite     | eFilePermissionsWorldWrite    ),
+        eFilePermissionsEveryoneX   = (eFilePermissionsUserExecute | eFilePermissionsGroupExecute   | eFilePermissionsWorldExecute  ),
+        
+        eFilePermissionsEveryoneRW  = (eFilePermissionsEveryoneR   | eFilePermissionsEveryoneW      | 0                             ),
+        eFilePermissionsEveryoneRX  = (eFilePermissionsEveryoneR   | 0                              | eFilePermissionsEveryoneX     ),
+        eFilePermissionsEveryoneRWX = (eFilePermissionsEveryoneR   | eFilePermissionsEveryoneW      | eFilePermissionsEveryoneX     ),
+        eFilePermissionsFileDefault = eFilePermissionsUserRW,
+        eFilePermissionsDirectoryDefault = eFilePermissionsUserRWX,
+    } FilePermissions;
+
 } // namespace lldb
 
 
diff --git a/include/lldb/lldb-forward.h b/include/lldb/lldb-forward.h
index cd8a5c2e8130..68d85f081e25 100644
--- a/include/lldb/lldb-forward.h
+++ b/include/lldb/lldb-forward.h
@@ -97,6 +97,7 @@ class   FileSpecList;
 class   Flags;
 class   TypeCategoryImpl;
 class   FormatManager;
+class   FormattersMatchCandidate;
 class   FuncUnwinders;
 class   Function;
 class   FunctionInfo;
@@ -162,6 +163,7 @@ class   PythonDictionary;
 class   PythonInteger;
 class   PythonObject;
 class   PythonString;
+class   RegisterCheckpoint;
 class   RegisterContext;
 class   RegisterLocation;
 class   RegisterLocationList;
@@ -329,6 +331,7 @@ namespace lldb {
     typedef std::shared_ptr<lldb_private::ProcessLaunchInfo> ProcessLaunchInfoSP;
     typedef std::weak_ptr<lldb_private::Process> ProcessWP;
     typedef std::shared_ptr<lldb_private::Property> PropertySP;
+    typedef std::shared_ptr<lldb_private::RegisterCheckpoint> RegisterCheckpointSP;
     typedef std::shared_ptr<lldb_private::RegisterContext> RegisterContextSP;
     typedef std::shared_ptr<lldb_private::RegularExpression> RegularExpressionSP;
     typedef std::shared_ptr<lldb_private::ScriptInterpreterObject> ScriptInterpreterObjectSP;
diff --git a/include/lldb/lldb-private-enumerations.h b/include/lldb/lldb-private-enumerations.h
index e523b912eac6..98919422be58 100644
--- a/include/lldb/lldb-private-enumerations.h
+++ b/include/lldb/lldb-private-enumerations.h
@@ -133,7 +133,8 @@ typedef enum ExecutionResults
     eExecutionDiscarded,
     eExecutionInterrupted,
     eExecutionHitBreakpoint,
-    eExecutionTimedOut
+    eExecutionTimedOut,
+    eExecutionStoppedForDebug
 } ExecutionResults;
 
 typedef enum ObjCRuntimeVersions {
diff --git a/include/lldb/lldb-python.h b/include/lldb/lldb-python.h
index 229e3967e4a5..ce5c8176a3c3 100644
--- a/include/lldb/lldb-python.h
+++ b/include/lldb/lldb-python.h
@@ -18,11 +18,7 @@
 
 #else
 
-#if defined (__APPLE__)
-#include <Python/Python.h>
-#else
 #include <Python.h>
-#endif
 
 #endif // LLDB_DISABLE_PYTHON