vendor/lldb/lldb-trunk-r256945

1 files changed, 164 insertions, 0 deletions

diff --git a/source/Plugins/Process/mach-core/ProcessMachCore.h b/source/Plugins/Process/mach-core/ProcessMachCore.h
new file mode 100644
index 000000000000..2de0b772370c
--- /dev/null
+++ b/source/Plugins/Process/mach-core/ProcessMachCore.h
@@ -0,0 +1,164 @@
+//===-- ProcessMachCore.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_ProcessMachCore_h_
+#define liblldb_ProcessMachCore_h_
+
+// C Includes
+// C++ Includes
+#include <list>
+#include <vector>
+
+// Other libraries and framework includes
+// Project includes
+#include "lldb/Core/ConstString.h"
+#include "lldb/Core/Error.h"
+#include "lldb/Target/Process.h"
+
+class ThreadKDP;
+
+class ProcessMachCore : public lldb_private::Process
+{
+public:
+    //------------------------------------------------------------------
+    // Constructors and Destructors
+    //------------------------------------------------------------------
+    ProcessMachCore(lldb::TargetSP target_sp, 
+                    lldb_private::Listener &listener,
+                    const lldb_private::FileSpec &core_file);
+    
+    ~ProcessMachCore() override;
+    
+    static lldb::ProcessSP
+    CreateInstance (lldb::TargetSP target_sp, 
+                    lldb_private::Listener &listener, 
+                    const lldb_private::FileSpec *crash_file_path);
+    
+    static void
+    Initialize();
+    
+    static void
+    Terminate();
+    
+    static lldb_private::ConstString
+    GetPluginNameStatic();
+    
+    static const char *
+    GetPluginDescriptionStatic();
+    
+    //------------------------------------------------------------------
+    // Check if a given Process
+    //------------------------------------------------------------------
+    bool
+    CanDebug (lldb::TargetSP target_sp,
+              bool plugin_specified_by_name) override;
+    
+    //------------------------------------------------------------------
+    // Creating a new process, or attaching to an existing one
+    //------------------------------------------------------------------
+    lldb_private::Error
+    DoLoadCore () override;
+    
+    lldb_private::DynamicLoader *
+    GetDynamicLoader () override;
+
+    //------------------------------------------------------------------
+    // PluginInterface protocol
+    //------------------------------------------------------------------
+    lldb_private::ConstString
+    GetPluginName() override;
+    
+    uint32_t
+    GetPluginVersion() override;
+    
+    //------------------------------------------------------------------
+    // Process Control
+    //------------------------------------------------------------------    
+    lldb_private::Error
+    DoDestroy () override;
+    
+    void
+    RefreshStateAfterStop() override;
+    
+    //------------------------------------------------------------------
+    // Process Queries
+    //------------------------------------------------------------------
+    bool
+    IsAlive () override;
+
+    bool
+    WarnBeforeDetach () const override;
+
+    //------------------------------------------------------------------
+    // Process Memory
+    //------------------------------------------------------------------
+    size_t
+    ReadMemory (lldb::addr_t addr, void *buf, size_t size, lldb_private::Error &error) override;
+    
+    size_t
+    DoReadMemory (lldb::addr_t addr, void *buf, size_t size, lldb_private::Error &error) override;
+    
+    lldb::addr_t
+    GetImageInfoAddress () override;
+
+protected:
+    friend class ThreadMachCore;
+    
+    void
+    Clear ( );
+    
+    bool
+    UpdateThreadList (lldb_private::ThreadList &old_thread_list, 
+                      lldb_private::ThreadList &new_thread_list) override;
+    
+    lldb_private::ObjectFile *
+    GetCoreObjectFile ();
+private:
+    bool 
+    GetDynamicLoaderAddress (lldb::addr_t addr);
+
+    typedef enum CorefilePreference { eUserProcessCorefile, eKernelCorefile } CorefilePreferences;
+
+    //------------------------------------------------------------------
+    /// If a core file can be interpreted multiple ways, this establishes
+    /// which style wins.
+    ///
+    /// If a core file contains both a kernel binary and a user-process
+    /// dynamic loader, lldb needs to pick one over the other.  This could
+    /// be a kernel corefile that happens to have a coyp of dyld in its
+    /// memory.  Or it could be a user process coredump of lldb while doing
+    /// kernel debugging - so a copy of the kernel is in its heap.  This
+    /// should become a setting so it can be over-ridden when necessary.
+    //------------------------------------------------------------------
+    CorefilePreference
+    GetCorefilePreference ()
+    {
+        // For now, if both user process and kernel binaries a present,
+        // assume this is a kernel coredump which has a copy of a user
+        // process dyld in one of its pages.
+        return eKernelCorefile;
+    }
+
+    //------------------------------------------------------------------
+    // For ProcessMachCore only
+    //------------------------------------------------------------------
+    typedef lldb_private::Range<lldb::addr_t, lldb::addr_t> FileRange;
+    typedef lldb_private::RangeDataVector<lldb::addr_t, lldb::addr_t, FileRange> VMRangeToFileOffset;
+
+    VMRangeToFileOffset m_core_aranges;
+    lldb::ModuleSP m_core_module_sp;
+    lldb_private::FileSpec m_core_file;
+    lldb::addr_t m_dyld_addr;
+    lldb::addr_t m_mach_kernel_addr;
+    lldb_private::ConstString m_dyld_plugin_name;
+
+    DISALLOW_COPY_AND_ASSIGN (ProcessMachCore);
+};
+
+#endif // liblldb_ProcessMachCore_h_