Index: cmake/LLDBDependencies.cmake
===================================================================
--- cmake/LLDBDependencies.cmake
+++ cmake/LLDBDependencies.cmake
@@ -46,6 +46,7 @@
   lldbPluginABIMacOSX_arm
   lldbPluginABIMacOSX_arm64
   lldbPluginABIMacOSX_i386
+  lldbPluginABISysV_arm64
   lldbPluginABISysV_x86_64
   lldbPluginABISysV_hexagon
   lldbPluginABISysV_ppc
Index: lib/Makefile
===================================================================
--- lib/Makefile
+++ lib/Makefile
@@ -35,6 +35,7 @@
 	lldbPluginABIMacOSX_arm.a \
 	lldbPluginABIMacOSX_arm64.a \
 	lldbPluginABIMacOSX_i386.a \
+	lldbPluginABISysV_arm64.a \
 	lldbPluginABISysV_ppc.a \
 	lldbPluginABISysV_ppc64.a \
 	lldbPluginABISysV_x86_64.a \
Index: source/API/SystemInitializerFull.cpp
===================================================================
--- source/API/SystemInitializerFull.cpp
+++ source/API/SystemInitializerFull.cpp
@@ -17,6 +17,7 @@
 #include "Plugins/ABI/MacOSX-i386/ABIMacOSX_i386.h"
 #include "Plugins/ABI/MacOSX-arm/ABIMacOSX_arm.h"
 #include "Plugins/ABI/MacOSX-arm64/ABIMacOSX_arm64.h"
+#include "Plugins/ABI/SysV-arm64/ABISysV_arm64.h"
 #include "Plugins/ABI/SysV-x86_64/ABISysV_x86_64.h"
 #include "Plugins/ABI/SysV-ppc/ABISysV_ppc.h"
 #include "Plugins/ABI/SysV-ppc64/ABISysV_ppc64.h"
@@ -235,6 +236,7 @@
     ABIMacOSX_i386::Initialize();
     ABIMacOSX_arm::Initialize();
     ABIMacOSX_arm64::Initialize();
+    ABISysV_arm64::Initialize();
     ABISysV_x86_64::Initialize();
     ABISysV_ppc::Initialize();
     ABISysV_ppc64::Initialize();
@@ -339,6 +341,7 @@
     ABIMacOSX_i386::Terminate();
     ABIMacOSX_arm::Terminate();
     ABIMacOSX_arm64::Terminate();
+    ABISysV_arm64::Terminate();
     ABISysV_x86_64::Terminate();
     ABISysV_ppc::Terminate();
     ABISysV_ppc64::Terminate();
Index: source/Plugins/ABI/CMakeLists.txt
===================================================================
--- source/Plugins/ABI/CMakeLists.txt
+++ source/Plugins/ABI/CMakeLists.txt
@@ -1,3 +1,4 @@
+add_subdirectory(SysV-arm64)
 add_subdirectory(SysV-hexagon)
 add_subdirectory(SysV-ppc)
 add_subdirectory(SysV-ppc64)
Index: source/Plugins/ABI/MacOSX-arm64/ABIMacOSX_arm64.cpp
===================================================================
--- source/Plugins/ABI/MacOSX-arm64/ABIMacOSX_arm64.cpp
+++ source/Plugins/ABI/MacOSX-arm64/ABIMacOSX_arm64.cpp
@@ -219,13 +219,21 @@
 ABIMacOSX_arm64::CreateInstance (const ArchSpec &arch)
 {
     static ABISP g_abi_sp;
-    if (arch.GetTriple().getArch() == llvm::Triple::aarch64)
+    const llvm::Triple::ArchType arch_type = arch.GetTriple().getArch();
+    const llvm::Triple::VendorType vendor_type = arch.GetTriple().getVendor();
+
+    if (vendor_type == llvm::Triple::Apple)
     {
-        if (!g_abi_sp)
-            g_abi_sp.reset (new ABIMacOSX_arm64);
-        return g_abi_sp;
+	    if (arch_type == llvm::Triple::aarch64)
+        {
+            if (!g_abi_sp)
+                g_abi_sp.reset (new ABIMacOSX_arm64);
+            return g_abi_sp;
+        }
+        return ABISP();
     }
-    return ABISP();
+
+    return NULL;
 }
 
 bool
Index: source/Plugins/ABI/SysV-arm64/ABISysV_arm64.h
===================================================================
--- source/Plugins/ABI/SysV-arm64/ABISysV_arm64.h
+++ source/Plugins/ABI/SysV-arm64/ABISysV_arm64.h
@@ -0,0 +1,125 @@
+//===-- ABISysV_arm64.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_ABISysV_arm64_h_
+#define liblldb_ABISysV_arm64_h_
+
+// C Includes
+// C++ Includes
+// Other libraries and framework includes
+// Project includes
+#include "lldb/lldb-private.h"
+#include "lldb/Target/ABI.h"
+
+class ABISysV_arm64 : public lldb_private::ABI
+{
+public:
+    ~ABISysV_arm64() { }
+
+    size_t
+    GetRedZoneSize () const override;
+
+    bool
+    PrepareTrivialCall (lldb_private::Thread &thread, 
+                        lldb::addr_t sp,
+                        lldb::addr_t functionAddress,
+                        lldb::addr_t returnAddress, 
+                        llvm::ArrayRef<lldb::addr_t> args) const override;
+
+    bool
+    GetArgumentValues (lldb_private::Thread &thread,
+                       lldb_private::ValueList &values) const override;
+
+    lldb_private::Error
+    SetReturnValueObject(lldb::StackFrameSP &frame_sp, lldb::ValueObjectSP &new_value) override;
+
+protected:
+    lldb::ValueObjectSP
+    GetReturnValueObjectImpl (lldb_private::Thread &thread,
+                    lldb_private::ClangASTType &ast_type) const override;
+
+public:
+    bool
+    CreateFunctionEntryUnwindPlan (lldb_private::UnwindPlan &unwind_plan) override;
+
+    bool
+    CreateDefaultUnwindPlan (lldb_private::UnwindPlan &unwind_plan) override;
+    
+    bool
+    RegisterIsVolatile (const lldb_private::RegisterInfo *reg_info) override;
+
+    // The arm64 ABI requires that stack frames be 16 byte aligned.
+    // When there is a trap handler on the stack, e.g. _sigtramp in userland
+    // code, we've seen that the stack pointer is often not aligned properly
+    // before the handler is invoked.  This means that lldb will stop the unwind
+    // early -- before the function which caused the trap.
+    //
+    // To work around this, we relax that alignment to be just word-size (8-bytes).
+    // Whitelisting the trap handlers for user space would be easy (_sigtramp) but
+    // in other environments there can be a large number of different functions
+    // involved in async traps.
+
+    bool
+    CallFrameAddressIsValid (lldb::addr_t cfa) override
+    {
+        // Make sure the stack call frame addresses are are 8 byte aligned
+        if (cfa & (8ull - 1ull))
+            return false;   // Not 8 byte aligned
+        if (cfa == 0)
+            return false;   // Zero is not a valid stack address
+        return true;
+    }
+    
+    bool
+    CodeAddressIsValid (lldb::addr_t pc) override
+    {
+        if (pc & (4ull - 1ull))
+            return false;   // Not 4 byte aligned
+        
+        // Anything else if fair game..
+        return true;
+    }
+
+    const lldb_private::RegisterInfo *
+    GetRegisterInfoArray (uint32_t &count) override;
+
+    //------------------------------------------------------------------
+    // Static Functions
+    //------------------------------------------------------------------
+    static void
+    Initialize();
+    
+    static void
+    Terminate();
+    
+    static lldb::ABISP
+    CreateInstance (const lldb_private::ArchSpec &arch);
+    
+    static lldb_private::ConstString
+    GetPluginNameStatic();
+    
+    //------------------------------------------------------------------
+    // PluginInterface protocol
+    //------------------------------------------------------------------
+    lldb_private::ConstString
+    GetPluginName() override;
+    
+    uint32_t
+    GetPluginVersion() override;
+    
+protected:
+private:
+    ABISysV_arm64() : 
+        lldb_private::ABI() 
+    {
+         // Call CreateInstance instead.
+    }
+};
+
+#endif  // liblldb_ABISysV_arm64_h_
Index: source/Plugins/ABI/SysV-arm64/ABISysV_arm64.cpp
===================================================================
--- source/Plugins/ABI/SysV-arm64/ABISysV_arm64.cpp
+++ source/Plugins/ABI/SysV-arm64/ABISysV_arm64.cpp
@@ -0,0 +1,1079 @@
+//===-- ABISysV_arm64.cpp -------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "ABISysV_arm64.h"
+
+#include "lldb/Core/ConstString.h"
+#include "lldb/Core/Error.h"
+#include "lldb/Core/Log.h"
+#include "lldb/Core/Module.h"
+#include "lldb/Core/PluginManager.h"
+#include "lldb/Core/RegisterValue.h"
+#include "lldb/Core/Scalar.h"
+#include "lldb/Core/Value.h"
+#include "lldb/Core/ValueObjectConstResult.h"
+#include "lldb/Symbol/ClangASTContext.h"
+#include "lldb/Symbol/UnwindPlan.h"
+#include "lldb/Target/Process.h"
+#include "lldb/Target/RegisterContext.h"
+#include "lldb/Target/Target.h"
+#include "lldb/Target/Thread.h"
+
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/Triple.h"
+
+#include "Utility/ARM64_DWARF_Registers.h"
+
+#include <vector>
+
+using namespace lldb;
+using namespace lldb_private;
+
+static RegisterInfo g_register_infos[] =
+{
+    //  NAME       ALT       SZ OFF ENCODING          FORMAT                   COMPILER             DWARF                  GENERIC                     GDB                     LLDB NATIVE
+    //  ========== =======   == === =============     ===================      ===================  ====================== =========================== ======================= ======================
+    {   "x0",      NULL,      8, 0, eEncodingUint   , eFormatHex           , { LLDB_INVALID_REGNUM, arm64_dwarf::x0,       LLDB_REGNUM_GENERIC_ARG1,   LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "x1",      NULL,      8, 0, eEncodingUint   , eFormatHex           , { LLDB_INVALID_REGNUM, arm64_dwarf::x1,       LLDB_REGNUM_GENERIC_ARG2,   LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "x2",      NULL,      8, 0, eEncodingUint   , eFormatHex           , { LLDB_INVALID_REGNUM, arm64_dwarf::x2,       LLDB_REGNUM_GENERIC_ARG3,   LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "x3",      NULL,      8, 0, eEncodingUint   , eFormatHex           , { LLDB_INVALID_REGNUM, arm64_dwarf::x3,       LLDB_REGNUM_GENERIC_ARG4,   LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "x4",      NULL,      8, 0, eEncodingUint   , eFormatHex           , { LLDB_INVALID_REGNUM, arm64_dwarf::x4,       LLDB_REGNUM_GENERIC_ARG5,   LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "x5",      NULL,      8, 0, eEncodingUint   , eFormatHex           , { LLDB_INVALID_REGNUM, arm64_dwarf::x5,       LLDB_REGNUM_GENERIC_ARG6,   LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "x6",      NULL,      8, 0, eEncodingUint   , eFormatHex           , { LLDB_INVALID_REGNUM, arm64_dwarf::x6,       LLDB_REGNUM_GENERIC_ARG7,   LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "x7",      NULL,      8, 0, eEncodingUint   , eFormatHex           , { LLDB_INVALID_REGNUM, arm64_dwarf::x7,       LLDB_REGNUM_GENERIC_ARG8,   LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "x8",      NULL,      8, 0, eEncodingUint   , eFormatHex           , { LLDB_INVALID_REGNUM, arm64_dwarf::x8,       LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "x9",      NULL,      8, 0, eEncodingUint   , eFormatHex           , { LLDB_INVALID_REGNUM, arm64_dwarf::x9,       LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "x10",     NULL,      8, 0, eEncodingUint   , eFormatHex           , { LLDB_INVALID_REGNUM, arm64_dwarf::x10,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "x11",     NULL,      8, 0, eEncodingUint   , eFormatHex           , { LLDB_INVALID_REGNUM, arm64_dwarf::x11,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "x12",     NULL,      8, 0, eEncodingUint   , eFormatHex           , { LLDB_INVALID_REGNUM, arm64_dwarf::x12,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "x13",     NULL,      8, 0, eEncodingUint   , eFormatHex           , { LLDB_INVALID_REGNUM, arm64_dwarf::x13,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "x14",     NULL,      8, 0, eEncodingUint   , eFormatHex           , { LLDB_INVALID_REGNUM, arm64_dwarf::x14,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "x15",     NULL,      8, 0, eEncodingUint   , eFormatHex           , { LLDB_INVALID_REGNUM, arm64_dwarf::x15,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "x16",     NULL,      8, 0, eEncodingUint   , eFormatHex           , { LLDB_INVALID_REGNUM, arm64_dwarf::x16,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "x17",     NULL,      8, 0, eEncodingUint   , eFormatHex           , { LLDB_INVALID_REGNUM, arm64_dwarf::x17,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "x18",     NULL,      8, 0, eEncodingUint   , eFormatHex           , { LLDB_INVALID_REGNUM, arm64_dwarf::x18,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "x19",     NULL,      8, 0, eEncodingUint   , eFormatHex           , { LLDB_INVALID_REGNUM, arm64_dwarf::x19,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "x20",     NULL,      8, 0, eEncodingUint   , eFormatHex           , { LLDB_INVALID_REGNUM, arm64_dwarf::x20,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "x21",     NULL,      8, 0, eEncodingUint   , eFormatHex           , { LLDB_INVALID_REGNUM, arm64_dwarf::x21,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "x22",     NULL,      8, 0, eEncodingUint   , eFormatHex           , { LLDB_INVALID_REGNUM, arm64_dwarf::x22,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "x23",     NULL,      8, 0, eEncodingUint   , eFormatHex           , { LLDB_INVALID_REGNUM, arm64_dwarf::x23,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "x24",     NULL,      8, 0, eEncodingUint   , eFormatHex           , { LLDB_INVALID_REGNUM, arm64_dwarf::x24,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "x25",     NULL,      8, 0, eEncodingUint   , eFormatHex           , { LLDB_INVALID_REGNUM, arm64_dwarf::x25,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "x26",     NULL,      8, 0, eEncodingUint   , eFormatHex           , { LLDB_INVALID_REGNUM, arm64_dwarf::x26,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "x27",     NULL,      8, 0, eEncodingUint   , eFormatHex           , { LLDB_INVALID_REGNUM, arm64_dwarf::x27,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "x28",     NULL,      8, 0, eEncodingUint   , eFormatHex           , { LLDB_INVALID_REGNUM, arm64_dwarf::x28,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "fp",      "x29",     8, 0, eEncodingUint   , eFormatHex           , { LLDB_INVALID_REGNUM, arm64_dwarf::x29,      LLDB_REGNUM_GENERIC_FP,     LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "lr",      "x30",     8, 0, eEncodingUint   , eFormatHex           , { LLDB_INVALID_REGNUM, arm64_dwarf::x30,      LLDB_REGNUM_GENERIC_RA,     LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "sp",      "x31",     8, 0, eEncodingUint   , eFormatHex           , { LLDB_INVALID_REGNUM, arm64_dwarf::x31,      LLDB_REGNUM_GENERIC_SP,     LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "pc",      NULL,      8, 0, eEncodingUint   , eFormatHex           , { LLDB_INVALID_REGNUM, arm64_dwarf::pc,       LLDB_REGNUM_GENERIC_PC,     LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "cpsr",    "psr",     4, 0, eEncodingUint   , eFormatHex           , { LLDB_INVALID_REGNUM, arm64_dwarf::cpsr,     LLDB_REGNUM_GENERIC_FLAGS,  LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+
+    {   "v0",      NULL,     16, 0, eEncodingVector , eFormatVectorOfUInt8,  { LLDB_INVALID_REGNUM, arm64_dwarf::v0,       LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "v1",      NULL,     16, 0, eEncodingVector , eFormatVectorOfUInt8,  { LLDB_INVALID_REGNUM, arm64_dwarf::v1,       LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "v2",      NULL,     16, 0, eEncodingVector , eFormatVectorOfUInt8,  { LLDB_INVALID_REGNUM, arm64_dwarf::v2,       LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "v3",      NULL,     16, 0, eEncodingVector , eFormatVectorOfUInt8,  { LLDB_INVALID_REGNUM, arm64_dwarf::v3,       LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "v4",      NULL,     16, 0, eEncodingVector , eFormatVectorOfUInt8,  { LLDB_INVALID_REGNUM, arm64_dwarf::v4,       LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "v5",      NULL,     16, 0, eEncodingVector , eFormatVectorOfUInt8,  { LLDB_INVALID_REGNUM, arm64_dwarf::v5,       LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "v6",      NULL,     16, 0, eEncodingVector , eFormatVectorOfUInt8,  { LLDB_INVALID_REGNUM, arm64_dwarf::v6,       LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "v7",      NULL,     16, 0, eEncodingVector , eFormatVectorOfUInt8,  { LLDB_INVALID_REGNUM, arm64_dwarf::v7,       LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "v8",      NULL,     16, 0, eEncodingVector , eFormatVectorOfUInt8,  { LLDB_INVALID_REGNUM, arm64_dwarf::v8,       LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "v9",      NULL,     16, 0, eEncodingVector , eFormatVectorOfUInt8,  { LLDB_INVALID_REGNUM, arm64_dwarf::v9,       LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "v10",     NULL,     16, 0, eEncodingVector , eFormatVectorOfUInt8,  { LLDB_INVALID_REGNUM, arm64_dwarf::v10,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "v11",     NULL,     16, 0, eEncodingVector , eFormatVectorOfUInt8,  { LLDB_INVALID_REGNUM, arm64_dwarf::v11,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "v12",     NULL,     16, 0, eEncodingVector , eFormatVectorOfUInt8,  { LLDB_INVALID_REGNUM, arm64_dwarf::v12,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "v13",     NULL,     16, 0, eEncodingVector , eFormatVectorOfUInt8,  { LLDB_INVALID_REGNUM, arm64_dwarf::v13,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "v14",     NULL,     16, 0, eEncodingVector , eFormatVectorOfUInt8,  { LLDB_INVALID_REGNUM, arm64_dwarf::v14,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "v15",     NULL,     16, 0, eEncodingVector , eFormatVectorOfUInt8,  { LLDB_INVALID_REGNUM, arm64_dwarf::v15,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "v16",     NULL,     16, 0, eEncodingVector , eFormatVectorOfUInt8,  { LLDB_INVALID_REGNUM, arm64_dwarf::v16,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "v17",     NULL,     16, 0, eEncodingVector , eFormatVectorOfUInt8,  { LLDB_INVALID_REGNUM, arm64_dwarf::v17,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "v18",     NULL,     16, 0, eEncodingVector , eFormatVectorOfUInt8,  { LLDB_INVALID_REGNUM, arm64_dwarf::v18,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "v19",     NULL,     16, 0, eEncodingVector , eFormatVectorOfUInt8,  { LLDB_INVALID_REGNUM, arm64_dwarf::v19,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "v20",     NULL,     16, 0, eEncodingVector , eFormatVectorOfUInt8,  { LLDB_INVALID_REGNUM, arm64_dwarf::v20,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "v21",     NULL,     16, 0, eEncodingVector , eFormatVectorOfUInt8,  { LLDB_INVALID_REGNUM, arm64_dwarf::v21,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "v22",     NULL,     16, 0, eEncodingVector , eFormatVectorOfUInt8,  { LLDB_INVALID_REGNUM, arm64_dwarf::v22,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "v23",     NULL,     16, 0, eEncodingVector , eFormatVectorOfUInt8,  { LLDB_INVALID_REGNUM, arm64_dwarf::v23,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "v24",     NULL,     16, 0, eEncodingVector , eFormatVectorOfUInt8,  { LLDB_INVALID_REGNUM, arm64_dwarf::v24,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "v25",     NULL,     16, 0, eEncodingVector , eFormatVectorOfUInt8,  { LLDB_INVALID_REGNUM, arm64_dwarf::v25,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "v26",     NULL,     16, 0, eEncodingVector , eFormatVectorOfUInt8,  { LLDB_INVALID_REGNUM, arm64_dwarf::v26,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "v27",     NULL,     16, 0, eEncodingVector , eFormatVectorOfUInt8,  { LLDB_INVALID_REGNUM, arm64_dwarf::v27,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "v28",     NULL,     16, 0, eEncodingVector , eFormatVectorOfUInt8,  { LLDB_INVALID_REGNUM, arm64_dwarf::v28,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "v29",     NULL,     16, 0, eEncodingVector , eFormatVectorOfUInt8,  { LLDB_INVALID_REGNUM, arm64_dwarf::v29,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "v30",     NULL,     16, 0, eEncodingVector , eFormatVectorOfUInt8,  { LLDB_INVALID_REGNUM, arm64_dwarf::v30,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "v31",     NULL,     16, 0, eEncodingVector , eFormatVectorOfUInt8,  { LLDB_INVALID_REGNUM, arm64_dwarf::v31,      LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+
+    {   "fpsr",    NULL,      4, 0, eEncodingUint   , eFormatHex           , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,   LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "fpcr",    NULL,      4, 0, eEncodingUint   , eFormatHex           , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,   LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+
+    {   "s0",      NULL,     4, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "s1",      NULL,     4, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "s2",      NULL,     4, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "s3",      NULL,     4, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "s4",      NULL,     4, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "s5",      NULL,     4, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "s6",      NULL,     4, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "s7",      NULL,     4, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "s8",      NULL,     4, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "s9",      NULL,     4, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "s10",     NULL,     4, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "s11",     NULL,     4, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "s12",     NULL,     4, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "s13",     NULL,     4, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "s14",     NULL,     4, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "s15",     NULL,     4, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "s16",     NULL,     4, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "s17",     NULL,     4, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "s18",     NULL,     4, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "s19",     NULL,     4, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "s20",     NULL,     4, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "s21",     NULL,     4, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "s22",     NULL,     4, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "s23",     NULL,     4, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "s24",     NULL,     4, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "s25",     NULL,     4, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "s26",     NULL,     4, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "s27",     NULL,     4, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "s28",     NULL,     4, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "s29",     NULL,     4, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "s30",     NULL,     4, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "s31",     NULL,     4, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+
+    {   "d0",      NULL,     8, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "d1",      NULL,     8, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "d2",      NULL,     8, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "d3",      NULL,     8, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "d4",      NULL,     8, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "d5",      NULL,     8, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "d6",      NULL,     8, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "d7",      NULL,     8, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "d8",      NULL,     8, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "d9",      NULL,     8, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "d10",     NULL,     8, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "d11",     NULL,     8, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "d12",     NULL,     8, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "d13",     NULL,     8, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "d14",     NULL,     8, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "d15",     NULL,     8, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "d16",     NULL,     8, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "d17",     NULL,     8, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "d18",     NULL,     8, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "d19",     NULL,     8, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "d20",     NULL,     8, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "d21",     NULL,     8, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "d22",     NULL,     8, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "d23",     NULL,     8, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "d24",     NULL,     8, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "d25",     NULL,     8, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "d26",     NULL,     8, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "d27",     NULL,     8, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "d28",     NULL,     8, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "d29",     NULL,     8, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "d30",     NULL,     8, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL },
+    {   "d31",     NULL,     8, 0, eEncodingIEEE754 , eFormatFloat         , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM,        LLDB_INVALID_REGNUM,    LLDB_INVALID_REGNUM }, NULL, NULL }
+};
+
+static const uint32_t k_num_register_infos = llvm::array_lengthof(g_register_infos);
+static bool g_register_info_names_constified = false;
+
+const lldb_private::RegisterInfo *
+ABISysV_arm64::GetRegisterInfoArray (uint32_t &count)
+{
+    // Make the C-string names and alt_names for the register infos into const 
+    // C-string values by having the ConstString unique the names in the global
+    // constant C-string pool.
+    if (!g_register_info_names_constified)
+    {
+        g_register_info_names_constified = true;
+        for (uint32_t i=0; i<k_num_register_infos; ++i)
+        {
+            if (g_register_infos[i].name)
+                g_register_infos[i].name = ConstString(g_register_infos[i].name).GetCString();
+            if (g_register_infos[i].alt_name)
+                g_register_infos[i].alt_name = ConstString(g_register_infos[i].alt_name).GetCString();
+        }
+    }
+    count = k_num_register_infos;
+    return g_register_infos;
+}
+
+size_t
+ABISysV_arm64::GetRedZoneSize () const
+{
+    return 128;
+}
+
+//------------------------------------------------------------------
+// Static Functions
+//------------------------------------------------------------------
+ABISP
+ABISysV_arm64::CreateInstance (const ArchSpec &arch)
+{
+    static ABISP g_abi_sp;
+    const llvm::Triple::ArchType arch_type = arch.GetTriple().getArch();
+    const llvm::Triple::VendorType vendor_type = arch.GetTriple().getVendor();
+
+    if (vendor_type != llvm::Triple::Apple)
+    {
+	    if (arch_type == llvm::Triple::aarch64)
+        {
+            if (!g_abi_sp)
+                g_abi_sp.reset (new ABISysV_arm64);
+            return g_abi_sp;
+        }
+        return ABISP();
+    }
+
+    return NULL;
+}
+
+bool
+ABISysV_arm64::PrepareTrivialCall (Thread &thread,
+                                   addr_t sp, 
+                                   addr_t func_addr, 
+                                   addr_t return_addr, 
+                                   llvm::ArrayRef<addr_t> args) const
+{
+    RegisterContext *reg_ctx = thread.GetRegisterContext().get();
+    if (!reg_ctx)
+        return false;
+
+    Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
+
+    if (log)
+    {
+        StreamString s;
+        s.Printf("ABISysV_x86_64::PrepareTrivialCall (tid = 0x%" PRIx64 ", sp = 0x%" PRIx64 ", func_addr = 0x%" PRIx64 ", return_addr = 0x%" PRIx64,
+                 thread.GetID(),
+                 (uint64_t)sp,
+                 (uint64_t)func_addr,
+                 (uint64_t)return_addr);
+
+        for (size_t i = 0; i < args.size(); ++i)
+            s.Printf (", arg%d = 0x%" PRIx64, static_cast<int>(i + 1), args[i]);
+        s.PutCString (")");
+        log->PutCString(s.GetString().c_str());
+    }
+
+    // x0 - x7 contain first 8 simple args
+    if (args.size() > 8)
+        return false;
+
+    for (size_t i = 0; i < args.size(); ++i)
+    {
+        const RegisterInfo *reg_info = reg_ctx->GetRegisterInfo(eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG1 + i);
+        if (log)
+            log->Printf("About to write arg%d (0x%" PRIx64 ") into %s",
+                        static_cast<int>(i + 1), args[i], reg_info->name);
+        if (!reg_ctx->WriteRegisterFromUnsigned(reg_info, args[i]))
+            return false;
+    }
+
+    // Set "lr" to the return address
+    if (!reg_ctx->WriteRegisterFromUnsigned (reg_ctx->GetRegisterInfo(eRegisterKindGeneric, LLDB_REGNUM_GENERIC_RA), return_addr))
+        return false;
+
+    // Set "sp" to the requested value
+    if (!reg_ctx->WriteRegisterFromUnsigned (reg_ctx->GetRegisterInfo(eRegisterKindGeneric, LLDB_REGNUM_GENERIC_SP), sp))
+        return false;
+
+    // Set "pc" to the address requested
+    if (!reg_ctx->WriteRegisterFromUnsigned (reg_ctx->GetRegisterInfo(eRegisterKindGeneric, LLDB_REGNUM_GENERIC_PC), func_addr))
+        return false;
+
+    return true;
+}
+
+//TODO: We dont support fp/SIMD arguments in v0-v7
+bool
+ABISysV_arm64::GetArgumentValues (Thread &thread, ValueList &values) const
+{
+    uint32_t num_values = values.GetSize();
+    
+    ExecutionContext exe_ctx (thread.shared_from_this());
+    
+    // Extract the register context so we can read arguments from registers
+    
+    RegisterContext *reg_ctx = thread.GetRegisterContext().get();
+    
+    if (!reg_ctx)
+        return false;
+
+    addr_t sp = 0;
+
+    for (uint32_t value_idx = 0; value_idx < num_values; ++value_idx)
+    {
+        // We currently only support extracting values with Clang QualTypes.
+        // Do we care about others?
+        Value *value = values.GetValueAtIndex(value_idx);
+        
+        if (!value)
+            return false;
+        
+        ClangASTType value_type = value->GetClangType();
+        if (value_type)
+        {
+            bool is_signed = false;
+            size_t bit_width = 0;
+            if (value_type.IsIntegerType (is_signed))
+            {
+                bit_width = value_type.GetBitSize(&thread);
+            }
+            else if (value_type.IsPointerOrReferenceType ())
+            {
+                bit_width = value_type.GetBitSize(&thread);
+            }
+            else
+            {
+                // We only handle integer, pointer and reference types currently...
+                return false;
+            }
+            
+            if (bit_width <= (exe_ctx.GetProcessRef().GetAddressByteSize() * 8))
+            {
+                if (value_idx < 8)
+                {
+                    // Arguments 1-6 are in x0-x5...
+                    const RegisterInfo *reg_info = NULL;
+                    reg_info= reg_ctx->GetRegisterInfo (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG1 + value_idx);
+                    
+                    if (reg_info)
+                    {
+                        RegisterValue reg_value;
+                        
+                        if (reg_ctx->ReadRegister(reg_info, reg_value))
+                        {
+                            if (is_signed)
+                                reg_value.SignExtend(bit_width);
+                            if (!reg_value.GetScalarValue(value->GetScalar()))
+                                return false;
+                            continue;
+                        }
+                    }
+                    return false;
+                }
+                else
+                {
+                    //TODO: Verify for stack layout for SysV
+                    if (sp == 0)
+                    {
+                        // Read the stack pointer if we already haven't read it
+                        sp = reg_ctx->GetSP(0);
+                        if (sp == 0)
+                            return false;
+                    }
+
+                    // Arguments 5 on up are on the stack
+                    const uint32_t arg_byte_size = (bit_width + (8-1)) / 8;
+                    Error error;
+                    if (!exe_ctx.GetProcessRef().ReadScalarIntegerFromMemory(sp, arg_byte_size, is_signed, value->GetScalar(), error))
+                        return false;
+                    
+                    sp += arg_byte_size;
+                    // Align up to the next 8 byte boundary if needed
+                    if (sp % 8)
+                    {
+                        sp >>= 3;
+                        sp += 1;
+                        sp <<= 3;
+                    }
+                }
+            }
+        }
+    }
+    return true;
+}
+
+Error
+ABISysV_arm64::SetReturnValueObject(lldb::StackFrameSP &frame_sp, lldb::ValueObjectSP &new_value_sp)
+{
+    Error error;
+    if (!new_value_sp)
+    {
+        error.SetErrorString("Empty value object for return value.");
+        return error;
+    }
+    
+    ClangASTType return_value_type = new_value_sp->GetClangType();
+    if (!return_value_type)
+    {
+        error.SetErrorString ("Null clang type for return value.");
+        return error;
+    }
+
+    Thread *thread = frame_sp->GetThread().get();
+    
+    RegisterContext *reg_ctx = thread->GetRegisterContext().get();
+    
+    if (reg_ctx)
+    {
+        DataExtractor data;
+        Error data_error;
+        const uint64_t byte_size = new_value_sp->GetData(data, data_error);
+        if (data_error.Fail())
+        {
+            error.SetErrorStringWithFormat("Couldn't convert return value to raw data: %s", data_error.AsCString());
+            return error;
+        }
+
+        const uint32_t type_flags = return_value_type.GetTypeInfo (NULL);
+        if (type_flags & eTypeIsScalar ||
+            type_flags & eTypeIsPointer)
+        {
+            if (type_flags & eTypeIsInteger ||
+                type_flags & eTypeIsPointer )
+            {
+                // Extract the register context so we can read arguments from registers
+                lldb::offset_t offset = 0;
+                if (byte_size <= 16)
+                {
+                    const RegisterInfo *x0_info = reg_ctx->GetRegisterInfo (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG1);
+                    if (byte_size <= 8)
+                    {
+                        uint64_t raw_value = data.GetMaxU64(&offset, byte_size);
+                        
+                        if (!reg_ctx->WriteRegisterFromUnsigned (x0_info, raw_value))
+                            error.SetErrorString ("failed to write register x0");
+                    }
+                    else
+                    {
+                        uint64_t raw_value = data.GetMaxU64(&offset, 8);
+                        
+                        if (reg_ctx->WriteRegisterFromUnsigned (x0_info, raw_value))
+                        {
+                            const RegisterInfo *x1_info = reg_ctx->GetRegisterInfo (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG2);
+                            raw_value = data.GetMaxU64(&offset, byte_size - offset);
+                            
+                            if (!reg_ctx->WriteRegisterFromUnsigned (x1_info, raw_value))
+                                error.SetErrorString ("failed to write register x1");
+                        }
+                    }
+                }
+                else
+                {
+                    error.SetErrorString("We don't support returning longer than 128 bit integer values at present.");
+                }
+            }
+            else if (type_flags & eTypeIsFloat)
+            {
+                if (type_flags & eTypeIsComplex)
+                {
+                    // Don't handle complex yet.
+                    error.SetErrorString ("returning complex float values are not supported");
+                }
+                else
+                {
+                    const RegisterInfo *v0_info = reg_ctx->GetRegisterInfoByName("v0", 0);
+
+                    if (v0_info)
+                    {
+                        if (byte_size <= 16)
+                        {
+                            if (byte_size <= RegisterValue::GetMaxByteSize())
+                            {
+                                RegisterValue reg_value;
+                                error = reg_value.SetValueFromData (v0_info, data, 0, true);
+                                if (error.Success())
+                                {
+                                    if (!reg_ctx->WriteRegister (v0_info, reg_value))
+                                        error.SetErrorString ("failed to write register v0");
+                                }
+                            }
+                            else
+                            {
+                                error.SetErrorStringWithFormat ("returning float values with a byte size of %" PRIu64 " are not supported", byte_size);
+                            }
+                        }
+                        else
+                        {
+                            error.SetErrorString("returning float values longer than 128 bits are not supported");            
+                        }
+                    }
+                    else
+                    {
+                        error.SetErrorString("v0 register is not available on this target");
+                    }
+                }
+            }
+        }
+        else if (type_flags & eTypeIsVector)
+        {
+            if (byte_size > 0)
+            {
+                const RegisterInfo *v0_info = reg_ctx->GetRegisterInfoByName("v0", 0);
+                
+                if (v0_info)
+                {
+                    if (byte_size <= v0_info->byte_size)
+                    {
+                        RegisterValue reg_value;
+                        error = reg_value.SetValueFromData (v0_info, data, 0, true);
+                        if (error.Success())
+                        {
+                            if (!reg_ctx->WriteRegister (v0_info, reg_value))
+                                error.SetErrorString ("failed to write register v0");
+                        }
+                    }
+                }
+            }
+        }
+    }
+    else
+    {
+        error.SetErrorString("no registers are available");        
+    }
+    
+    return error;
+}
+
+bool
+ABISysV_arm64::CreateFunctionEntryUnwindPlan (UnwindPlan &unwind_plan)
+{
+    unwind_plan.Clear();
+    unwind_plan.SetRegisterKind (eRegisterKindDWARF);
+    
+    uint32_t lr_reg_num = arm64_dwarf::lr;
+    uint32_t sp_reg_num = arm64_dwarf::sp;
+    uint32_t pc_reg_num = arm64_dwarf::pc;
+    
+    UnwindPlan::RowSP row(new UnwindPlan::Row);
+    
+    // Our previous Call Frame Address is the stack pointer
+    row->GetCFAValue().SetIsRegisterPlusOffset (sp_reg_num, 0);
+    
+    // Our previous PC is in the LR
+    row->SetRegisterLocationToRegister(pc_reg_num, lr_reg_num, true);
+    
+    unwind_plan.AppendRow (row);
+    
+    // All other registers are the same.
+    
+    unwind_plan.SetSourceName ("arm64 at-func-entry default");
+    unwind_plan.SetSourcedFromCompiler (eLazyBoolNo);
+
+    return true;
+}
+
+bool
+ABISysV_arm64::CreateDefaultUnwindPlan (UnwindPlan &unwind_plan)
+{
+    unwind_plan.Clear();
+    unwind_plan.SetRegisterKind (eRegisterKindDWARF);
+    
+    uint32_t fp_reg_num = arm64_dwarf::fp;
+    uint32_t pc_reg_num = arm64_dwarf::pc;
+
+    UnwindPlan::RowSP row(new UnwindPlan::Row);    
+    const int32_t ptr_size = 8;
+    
+    row->GetCFAValue().SetIsRegisterPlusOffset (fp_reg_num, 2 * ptr_size);
+    row->SetOffset (0);
+    
+    row->SetRegisterLocationToAtCFAPlusOffset(fp_reg_num, ptr_size * -2, true);
+    row->SetRegisterLocationToAtCFAPlusOffset(pc_reg_num, ptr_size * -1, true);
+    
+    unwind_plan.AppendRow (row);
+    unwind_plan.SetSourceName ("arm64 default unwind plan");
+    unwind_plan.SetSourcedFromCompiler (eLazyBoolNo);
+    unwind_plan.SetUnwindPlanValidAtAllInstructions (eLazyBoolNo);
+
+    return true;
+}
+
+// AAPCS64 (Procedure Call Standard for the ARM 64-bit Architecture) says 
+// registers x19 through x28 and sp are callee preserved.  
+// v8-v15 are non-volatile (and specifically only the lower 8 bytes of these regs),
+// the rest of the fp/SIMD registers are volatile.
+
+// We treat x29 as callee preserved also, else the unwinder won't try to
+// retrieve fp saves.
+
+bool
+ABISysV_arm64::RegisterIsVolatile (const RegisterInfo *reg_info)
+{
+    if (reg_info)
+    {
+        const char *name = reg_info->name;
+
+        // Sometimes we'll be called with the "alternate" name for these registers;
+        // recognize them as non-volatile.
+
+        if (name[0] == 'p' && name[1] == 'c')        // pc
+            return false;
+        if (name[0] == 'f' && name[1] == 'p')        // fp
+            return false;
+        if (name[0] == 's' && name[1] == 'p')        // sp
+            return false;
+        if (name[0] == 'l' && name[1] == 'r')        // lr
+            return false;
+
+        if (name[0] == 'x')
+        {
+            // Volatile registers: x0-x18, x30 (lr)
+            // Return false for the non-volatile gpr regs, true for everything else
+            switch (name[1])
+            {
+                case '1':
+                    switch (name[2])
+                    {
+                        case '9': 
+                            return false;             // x19 is non-volatile
+                        default:
+                          return true;
+                    }
+                        break;
+                case '2':
+                    switch (name[2])
+                    {
+                        case '0':
+                        case '1': 
+                        case '2':
+                        case '3':
+                        case '4':
+                        case '5':
+                        case '6':
+                        case '7':
+                        case '8': 
+                            return false;             // x20 - 28 are non-volatile
+                        case '9': 
+                            return false;             // x29 aka fp treat as non-volatile on Darwin
+                        default:
+                            return true;
+                    }
+                case '3':                             // x30 aka lr treat as non-volatile
+                    if (name[2] == '0')
+                      return false;
+                default:
+                    return true;
+            }
+        }
+        else if (name[0] == 'v' || name[0] == 's' || name[0] == 'd')
+        {
+            // Volatile registers: v0-7, v16-v31
+            // Return false for non-volatile fp/SIMD regs, true for everything else
+            switch (name[1])
+            {
+                case '8':
+                case '9':
+                    return false; // v8-v9 are non-volatile
+                case '1':
+                    switch (name[2])
+                    {
+                        case '0':
+                        case '1':
+                        case '2':
+                        case '3':
+                        case '4':
+                        case '5':
+                            return false; // v10-v15 are non-volatile
+                        default:
+                            return true;
+                    }
+                default:
+                    return true;
+            }
+        }
+    }
+    return true;
+}
+
+static bool
+LoadValueFromConsecutiveGPRRegisters (ExecutionContext &exe_ctx,
+                                      RegisterContext *reg_ctx,
+                                      const ClangASTType &value_type,
+                                      bool is_return_value, // false => parameter, true => return value
+                                      uint32_t &NGRN,       // NGRN (see ABI documentation)
+                                      uint32_t &NSRN,       // NSRN (see ABI documentation)
+                                      DataExtractor &data)
+{
+    const size_t byte_size = value_type.GetByteSize(nullptr);
+    
+    if (byte_size == 0)
+        return false;
+
+    std::unique_ptr<DataBufferHeap> heap_data_ap (new DataBufferHeap(byte_size, 0));
+    const ByteOrder byte_order = exe_ctx.GetProcessRef().GetByteOrder();
+    Error error;
+
+    ClangASTType base_type;
+    const uint32_t homogeneous_count = value_type.IsHomogeneousAggregate (&base_type);
+    if (homogeneous_count > 0 && homogeneous_count <= 8)
+    {
+        printf ("ClangASTContext::IsHomogeneousAggregate() => %u\n", homogeneous_count);
+        // Make sure we have enough registers
+        if (NSRN < 8 && (8-NSRN) >= homogeneous_count)
+        {
+            if (!base_type)
+                return false;
+            const size_t base_byte_size = base_type.GetByteSize(nullptr);
+            printf ("ClangASTContext::IsHomogeneousAggregate() => base_byte_size = %" PRIu64 "\n", (uint64_t) base_byte_size);
+            uint32_t data_offset = 0;
+
+            for (uint32_t i=0; i<homogeneous_count; ++i)
+            {
+                char v_name[8];
+                ::snprintf (v_name, sizeof(v_name), "v%u", NSRN);
+                const RegisterInfo *reg_info = reg_ctx->GetRegisterInfoByName(v_name, 0);
+                if (reg_info == NULL)
+                    return false;
+                
+                if (base_byte_size > reg_info->byte_size)
+                    return false;
+                
+                RegisterValue reg_value;
+                
+                if (!reg_ctx->ReadRegister(reg_info, reg_value))
+                    return false;
+                
+                // Make sure we have enough room in "heap_data_ap"
+                if ((data_offset + base_byte_size) <= heap_data_ap->GetByteSize())
+                {
+                    const size_t bytes_copied = reg_value.GetAsMemoryData (reg_info,
+                                                                           heap_data_ap->GetBytes()+data_offset,
+                                                                           base_byte_size,
+                                                                           byte_order,
+                                                                           error);
+                    if (bytes_copied != base_byte_size)
+                        return false;
+                    data_offset += bytes_copied;
+                    ++NSRN;
+                }
+                else
+                    return false;
+            }
+            data.SetByteOrder(byte_order);
+            data.SetAddressByteSize(exe_ctx.GetProcessRef().GetAddressByteSize());
+            data.SetData(DataBufferSP (heap_data_ap.release()));
+            return true;
+        }
+    }
+
+    const size_t max_reg_byte_size = 16;
+    if (byte_size <= max_reg_byte_size)
+    {
+        size_t bytes_left = byte_size;
+        uint32_t data_offset = 0;
+        while (data_offset < byte_size)
+        {
+            if (NGRN >= 8)
+                return false;
+
+            const RegisterInfo *reg_info = reg_ctx->GetRegisterInfo (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG1 + NGRN);
+            if (reg_info == NULL)
+                return false;
+
+            RegisterValue reg_value;
+            
+            if (!reg_ctx->ReadRegister(reg_info, reg_value))
+                return false;
+            
+            const size_t curr_byte_size = std::min<size_t>(8,bytes_left);
+            const size_t bytes_copied = reg_value.GetAsMemoryData (reg_info, heap_data_ap->GetBytes()+data_offset, curr_byte_size, byte_order, error);
+            if (bytes_copied == 0)
+                return false;
+            if (bytes_copied >= bytes_left)
+                break;
+            data_offset += bytes_copied;
+            bytes_left -= bytes_copied;
+            ++NGRN;
+        }
+    }
+    else
+    {        
+        const RegisterInfo *reg_info = NULL;
+        if (is_return_value)
+        {
+            // We are assuming we are decoding this immediately after returning
+            // from a function call and that the address of the structure is in x8
+            reg_info = reg_ctx->GetRegisterInfoByName("x8", 0);
+        }
+        else
+        {
+            // We are assuming we are stopped at the first instruction in a function
+            // and that the ABI is being respected so all parameters appear where they
+            // should be (functions with no external linkage can legally violate the ABI).
+            if (NGRN >= 8)
+                return false;
+            
+            reg_info = reg_ctx->GetRegisterInfo (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG1 + NGRN);
+            if (reg_info == NULL)
+                return false;
+            ++NGRN;
+        }
+
+        if (reg_info == NULL)
+            return false;
+
+        const lldb::addr_t value_addr = reg_ctx->ReadRegisterAsUnsigned(reg_info, LLDB_INVALID_ADDRESS);
+
+        if (value_addr == LLDB_INVALID_ADDRESS)
+            return false;
+
+        if (exe_ctx.GetProcessRef().ReadMemory (value_addr,
+                                                heap_data_ap->GetBytes(),
+                                                heap_data_ap->GetByteSize(),
+                                                error) != heap_data_ap->GetByteSize())
+        {
+            return false;
+        }
+    }
+
+    data.SetByteOrder(byte_order);
+    data.SetAddressByteSize(exe_ctx.GetProcessRef().GetAddressByteSize());
+    data.SetData(DataBufferSP (heap_data_ap.release()));
+    return true;
+}
+
+ValueObjectSP
+ABISysV_arm64::GetReturnValueObjectImpl (Thread &thread, ClangASTType &return_clang_type) const
+{
+    ValueObjectSP return_valobj_sp;
+    Value value;
+    
+    ExecutionContext exe_ctx (thread.shared_from_this());
+    if (exe_ctx.GetTargetPtr() == NULL || exe_ctx.GetProcessPtr() == NULL)
+        return return_valobj_sp;
+
+    //value.SetContext (Value::eContextTypeClangType, return_clang_type);
+    value.SetClangType(return_clang_type);
+    
+    RegisterContext *reg_ctx = thread.GetRegisterContext().get();
+    if (!reg_ctx)
+        return return_valobj_sp;
+    
+    const size_t byte_size = return_clang_type.GetByteSize(nullptr);
+
+    const uint32_t type_flags = return_clang_type.GetTypeInfo (NULL);
+    if (type_flags & eTypeIsScalar ||
+        type_flags & eTypeIsPointer)
+    {
+        value.SetValueType(Value::eValueTypeScalar);
+        
+        bool success = false;
+        if (type_flags & eTypeIsInteger ||
+            type_flags & eTypeIsPointer )
+        {
+            // Extract the register context so we can read arguments from registers
+            if (byte_size <= 8)
+            {
+                const RegisterInfo *x0_reg_info = NULL;
+                x0_reg_info = reg_ctx->GetRegisterInfo (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG1);
+                if (x0_reg_info)
+                {
+                    uint64_t raw_value = thread.GetRegisterContext()->ReadRegisterAsUnsigned(x0_reg_info, 0);
+                    const bool is_signed = (type_flags & eTypeIsSigned) != 0;
+                    switch (byte_size)
+                    {
+                        default:
+                            break;
+                        case 16: // uint128_t
+                            // In register x0 and x1
+                            {
+                                const RegisterInfo *x1_reg_info = NULL;
+                                x1_reg_info = reg_ctx->GetRegisterInfo (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG2);
+
+                                if (x1_reg_info)
+                                {
+                                    if (byte_size <= x0_reg_info->byte_size + x1_reg_info->byte_size)
+                                    {
+                                        std::unique_ptr<DataBufferHeap> heap_data_ap (new DataBufferHeap(byte_size, 0));
+                                        const ByteOrder byte_order = exe_ctx.GetProcessRef().GetByteOrder();
+                                        RegisterValue x0_reg_value;
+                                        RegisterValue x1_reg_value;
+                                        if (reg_ctx->ReadRegister(x0_reg_info, x0_reg_value) &&
+                                            reg_ctx->ReadRegister(x1_reg_info, x1_reg_value))
+                                        {
+                                            Error error;
+                                            if (x0_reg_value.GetAsMemoryData (x0_reg_info, heap_data_ap->GetBytes()+0, 8, byte_order, error) &&
+                                                x1_reg_value.GetAsMemoryData (x1_reg_info, heap_data_ap->GetBytes()+8, 8, byte_order, error))
+                                            {
+                                                DataExtractor data (DataBufferSP (heap_data_ap.release()),
+                                                                    byte_order,
+                                                                    exe_ctx.GetProcessRef().GetAddressByteSize());
+                                                
+                                                return_valobj_sp = ValueObjectConstResult::Create (&thread,
+                                                                                                   return_clang_type,
+                                                                                                   ConstString(""),
+                                                                                                   data);
+                                                return return_valobj_sp;
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                            break;
+                        case sizeof(uint64_t):
+                            if (is_signed)
+                                value.GetScalar() = (int64_t)(raw_value);
+                            else
+                                value.GetScalar() = (uint64_t)(raw_value);
+                            success = true;
+                            break;
+                            
+                        case sizeof(uint32_t):
+                            if (is_signed)
+                                value.GetScalar() = (int32_t)(raw_value & UINT32_MAX);
+                            else
+                                value.GetScalar() = (uint32_t)(raw_value & UINT32_MAX);
+                            success = true;
+                            break;
+                            
+                        case sizeof(uint16_t):
+                            if (is_signed)
+                                value.GetScalar() = (int16_t)(raw_value & UINT16_MAX);
+                            else
+                                value.GetScalar() = (uint16_t)(raw_value & UINT16_MAX);
+                            success = true;
+                            break;
+                            
+                        case sizeof(uint8_t):
+                            if (is_signed)
+                                value.GetScalar() = (int8_t)(raw_value & UINT8_MAX);
+                            else
+                                value.GetScalar() = (uint8_t)(raw_value & UINT8_MAX);
+                            success = true;
+                            break;
+                    }
+                }
+            }
+        }
+        else if (type_flags & eTypeIsFloat)
+        {
+            if (type_flags & eTypeIsComplex)
+            {
+                // Don't handle complex yet.
+            }
+            else
+            {
+                if (byte_size <= sizeof(long double))
+                {
+                    const RegisterInfo *v0_reg_info = reg_ctx->GetRegisterInfoByName("v0", 0);
+                    RegisterValue v0_value;
+                    if (reg_ctx->ReadRegister (v0_reg_info, v0_value))
+                    {
+                        DataExtractor data;
+                        if (v0_value.GetData(data))
+                        {
+                            lldb::offset_t offset = 0;
+                            if (byte_size == sizeof(float))
+                            {
+                                value.GetScalar() = data.GetFloat(&offset);
+                                success = true;
+                            }
+                            else if (byte_size == sizeof(double))
+                            {
+                                value.GetScalar() = data.GetDouble(&offset);
+                                success = true;
+                            }
+                            else if (byte_size == sizeof(long double))
+                            {
+                                value.GetScalar() = data.GetLongDouble(&offset);
+                                success = true;
+                            }
+                        }
+                    }
+                }
+            }
+        }
+        
+        if (success)
+            return_valobj_sp = ValueObjectConstResult::Create (thread.GetStackFrameAtIndex(0).get(),
+                                                               value,
+                                                               ConstString(""));
+        
+    }
+    else if (type_flags & eTypeIsVector)
+    {
+        if (byte_size > 0)
+        {
+            
+            const RegisterInfo *v0_info = reg_ctx->GetRegisterInfoByName("v0", 0);
+            
+            if (v0_info)
+            {
+                if (byte_size <= v0_info->byte_size)
+                {
+                    std::unique_ptr<DataBufferHeap> heap_data_ap (new DataBufferHeap(byte_size, 0));
+                    const ByteOrder byte_order = exe_ctx.GetProcessRef().GetByteOrder();
+                    RegisterValue reg_value;
+                    if (reg_ctx->ReadRegister(v0_info, reg_value))
+                    {
+                        Error error;
+                        if (reg_value.GetAsMemoryData (v0_info,
+                                                       heap_data_ap->GetBytes(),
+                                                       heap_data_ap->GetByteSize(),
+                                                       byte_order,
+                                                       error))
+                        {
+                            DataExtractor data (DataBufferSP (heap_data_ap.release()),
+                                                byte_order,
+                                                exe_ctx.GetProcessRef().GetAddressByteSize());
+                            return_valobj_sp = ValueObjectConstResult::Create (&thread,
+                                                                               return_clang_type,
+                                                                               ConstString(""),
+                                                                               data);
+                        }
+                    }
+                }
+            }
+        }
+    }
+    else if (type_flags & eTypeIsStructUnion ||
+             type_flags & eTypeIsClass)
+    {
+        DataExtractor data;
+        
+        uint32_t NGRN = 0;  // Search ABI docs for NGRN
+        uint32_t NSRN = 0;  // Search ABI docs for NSRN
+        const bool is_return_value = true;
+        if (LoadValueFromConsecutiveGPRRegisters (exe_ctx, reg_ctx, return_clang_type, is_return_value, NGRN, NSRN, data))
+        {
+            return_valobj_sp = ValueObjectConstResult::Create (&thread,
+                                                               return_clang_type,
+                                                               ConstString(""),
+                                                               data);            
+        }
+    }
+    return return_valobj_sp;
+}
+
+void
+ABISysV_arm64::Initialize()
+{
+    PluginManager::RegisterPlugin (GetPluginNameStatic(),
+                                   "SysV ABI for AArch64 targets",
+                                   CreateInstance);    
+}
+
+void
+ABISysV_arm64::Terminate()
+{
+    PluginManager::UnregisterPlugin (CreateInstance);
+}
+
+lldb_private::ConstString
+ABISysV_arm64::GetPluginNameStatic()
+{
+    static ConstString g_name("SysV-arm64");
+    return g_name;
+}
+
+//------------------------------------------------------------------
+// PluginInterface protocol
+//------------------------------------------------------------------
+ConstString
+ABISysV_arm64::GetPluginName()
+{
+    return GetPluginNameStatic();
+}
+
+uint32_t
+ABISysV_arm64::GetPluginVersion()
+{
+    return 1;
+}
+
Index: source/Plugins/ABI/SysV-arm64/CMakeLists.txt
===================================================================
--- source/Plugins/ABI/SysV-arm64/CMakeLists.txt
+++ source/Plugins/ABI/SysV-arm64/CMakeLists.txt
@@ -0,0 +1,5 @@
+set(LLVM_NO_RTTI 1)
+
+add_lldb_library(lldbPluginABISysV_arm64
+  ABISysV_arm64.cpp
+  )
Index: source/Plugins/ABI/SysV-arm64/Makefile
===================================================================
--- source/Plugins/ABI/SysV-arm64/Makefile
+++ source/Plugins/ABI/SysV-arm64/Makefile
@@ -0,0 +1,14 @@
+##===- source/Plugins/ABI/SysV-arm64/Makefile ------------*- Makefile -*-===##
+# 
+#                     The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+# 
+##===----------------------------------------------------------------------===##
+
+LLDB_LEVEL := ../../../..
+LIBRARYNAME := lldbPluginABISysV_arm64
+BUILD_ARCHIVE = 1
+
+include $(LLDB_LEVEL)/Makefile
Index: source/Plugins/Makefile
===================================================================
--- source/Plugins/Makefile
+++ source/Plugins/Makefile
@@ -13,7 +13,7 @@
 
 
 PARALLEL_DIRS := ABI/MacOSX-arm ABI/MacOSX-arm64 ABI/MacOSX-i386 ABI/SysV-x86_64 \
-	ABI/SysV-hexagon ABI/SysV-ppc ABI/SysV-ppc64 \
+	ABI/SysV-hexagon ABI/SysV-ppc ABI/SysV-ppc64 ABI/SysV-arm64 \
 	Disassembler/llvm \
 	ObjectContainer/BSD-Archive ObjectFile/ELF ObjectFile/PECOFF \
 	ObjectContainer/Universal-Mach-O ObjectFile/Mach-O \
Index: source/Plugins/Process/elf-core/ThreadElfCore.cpp
===================================================================
--- source/Plugins/Process/elf-core/ThreadElfCore.cpp
+++ source/Plugins/Process/elf-core/ThreadElfCore.cpp
@@ -17,6 +17,7 @@
 #include "ThreadElfCore.h"
 #include "ProcessElfCore.h"
 #include "Plugins/Process/Utility/RegisterContextLinux_arm.h"
+#include "Plugins/Process/Utility/RegisterContextLinux_arm64.h"
 #include "Plugins/Process/Utility/RegisterContextLinux_x86_64.h"
 #include "Plugins/Process/Utility/RegisterContextFreeBSD_arm.h"
 #include "Plugins/Process/Utility/RegisterContextFreeBSD_arm64.h"
@@ -136,6 +137,9 @@
                     case llvm::Triple::arm:
                         reg_interface = new RegisterContextLinux_arm(arch);
                         break;
+                    case llvm::Triple::aarch64:
+                        reg_interface = new RegisterContextLinux_arm64(arch);
+                        break;
                     case llvm::Triple::x86_64:
                         reg_interface = new RegisterContextLinux_x86_64(arch);
                         break;