Enable linux-arm platform.

6 files changed, 2338 insertions, 0 deletions

diff --git a/contrib/restricted/libffi/configs/aarch64-unknown-linux-gnu/fficonfig.h b/contrib/restricted/libffi/configs/aarch64-unknown-linux-gnu/fficonfig.h
new file mode 100644
index 0000000000..41cc3cb9e8
--- /dev/null
+++ b/contrib/restricted/libffi/configs/aarch64-unknown-linux-gnu/fficonfig.h
@@ -0,0 +1,215 @@
+/* fficonfig.h.  Generated from fficonfig.h.in by configure.  */
+/* fficonfig.h.in.  Generated from configure.ac by autoheader.  */
+
+/* Define if building universal (internal helper macro) */
+/* #undef AC_APPLE_UNIVERSAL_BUILD */
+
+/* Define to one of `_getb67', `GETB67', `getb67' for Cray-2 and Cray-YMP
+   systems. This function is required for `alloca.c' support on those systems.
+   */
+/* #undef CRAY_STACKSEG_END */
+
+/* Define to 1 if using `alloca.c'. */
+/* #undef C_ALLOCA */
+
+/* Define to the flags needed for the .section .eh_frame directive. */
+#define EH_FRAME_FLAGS "aw"
+
+/* Define this if you want extra debugging. */
+/* #undef FFI_DEBUG */
+
+/* Cannot use PROT_EXEC on this target, so, we revert to alternative means */
+/* #undef FFI_EXEC_TRAMPOLINE_TABLE */
+
+/* Define this if you want to enable pax emulated trampolines */
+#define FFI_MMAP_EXEC_EMUTRAMP_PAX 1
+
+/* Cannot use malloc on this target, so, we revert to alternative means */
+/* #undef FFI_MMAP_EXEC_WRIT */
+
+/* Define this if you do not want support for the raw API. */
+/* #undef FFI_NO_RAW_API */
+
+/* Define this if you do not want support for aggregate types. */
+/* #undef FFI_NO_STRUCTS */
+
+/* Define to 1 if you have `alloca', as a function or macro. */
+#define HAVE_ALLOCA 1
+
+/* Define to 1 if you have <alloca.h> and it should be used (not on Ultrix).
+   */
+#define HAVE_ALLOCA_H 1
+
+/* Define if your assembler supports .cfi_* directives. */
+#define HAVE_AS_CFI_PSEUDO_OP 1
+
+/* Define if your assembler supports .register. */
+/* #undef HAVE_AS_REGISTER_PSEUDO_OP */
+
+/* Define if the compiler uses zarch features. */
+/* #undef HAVE_AS_S390_ZARCH */
+
+/* Define if your assembler and linker support unaligned PC relative relocs.
+   */
+/* #undef HAVE_AS_SPARC_UA_PCREL */
+
+/* Define if your assembler supports unwind section type. */
+/* #undef HAVE_AS_X86_64_UNWIND_SECTION_TYPE */
+
+/* Define if your assembler supports PC relative relocs. */
+/* #undef HAVE_AS_X86_PCREL */
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#define HAVE_DLFCN_H 1
+
+/* Define if __attribute__((visibility("hidden"))) is supported. */
+#define HAVE_HIDDEN_VISIBILITY_ATTRIBUTE 1
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#define HAVE_INTTYPES_H 1
+
+/* Define if you have the long double type and it is bigger than a double */
+#define HAVE_LONG_DOUBLE 1
+
+/* Define if you support more than one size of the long double type */
+/* #undef HAVE_LONG_DOUBLE_VARIANT */
+
+/* Define to 1 if you have the `memcpy' function. */
+#define HAVE_MEMCPY 1
+
+/* Define to 1 if you have the <memory.h> header file. */
+#define HAVE_MEMORY_H 1
+
+/* Define to 1 if you have the `mkostemp' function. */
+#define HAVE_MKOSTEMP 1
+
+/* Define to 1 if you have the `mmap' function. */
+#define HAVE_MMAP 1
+
+/* Define if mmap with MAP_ANON(YMOUS) works. */
+#define HAVE_MMAP_ANON 1
+
+/* Define if mmap of /dev/zero works. */
+#define HAVE_MMAP_DEV_ZERO 1
+
+/* Define if read-only mmap of a plain file works. */
+#define HAVE_MMAP_FILE 1
+
+/* Define if .eh_frame sections should be read-only. */
+/* #undef HAVE_RO_EH_FRAME */
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#define HAVE_STDINT_H 1
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#define HAVE_STDLIB_H 1
+
+/* Define to 1 if you have the <strings.h> header file. */
+#define HAVE_STRINGS_H 1
+
+/* Define to 1 if you have the <string.h> header file. */
+#define HAVE_STRING_H 1
+
+/* Define to 1 if you have the <sys/mman.h> header file. */
+#define HAVE_SYS_MMAN_H 1
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#define HAVE_SYS_STAT_H 1
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H 1
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#define HAVE_UNISTD_H 1
+
+/* Define to 1 if GNU symbol versioning is used for libatomic. */
+#define LIBFFI_GNU_SYMBOL_VERSIONING 1
+
+/* Define to the sub-directory where libtool stores uninstalled libraries. */
+#define LT_OBJDIR ".libs/"
+
+/* Name of package */
+#define PACKAGE "libffi"
+
+/* Define to the address where bug reports for this package should be sent. */
+#define PACKAGE_BUGREPORT "http://github.com/libffi/libffi/issues"
+
+/* Define to the full name of this package. */
+#define PACKAGE_NAME "libffi"
+
+/* Define to the full name and version of this package. */
+#define PACKAGE_STRING "libffi 3.3"
+
+/* Define to the one symbol short name of this package. */
+#define PACKAGE_TARNAME "libffi"
+
+/* Define to the home page for this package. */
+#define PACKAGE_URL ""
+
+/* Define to the version of this package. */
+#define PACKAGE_VERSION "3.3"
+
+/* The size of `double', as computed by sizeof. */
+#define SIZEOF_DOUBLE 8
+
+/* The size of `long double', as computed by sizeof. */
+#define SIZEOF_LONG_DOUBLE 16
+
+/* The size of `size_t', as computed by sizeof. */
+#define SIZEOF_SIZE_T 8
+
+/* If using the C implementation of alloca, define if you know the
+   direction of stack growth for your system; otherwise it will be
+   automatically deduced at runtime.
+	STACK_DIRECTION > 0 => grows toward higher addresses
+	STACK_DIRECTION < 0 => grows toward lower addresses
+	STACK_DIRECTION = 0 => direction of growth unknown */
+/* #undef STACK_DIRECTION */
+
+/* Define to 1 if you have the ANSI C header files. */
+#define STDC_HEADERS 1
+
+/* Define if symbols are underscored. */
+/* #undef SYMBOL_UNDERSCORE */
+
+/* Define this if you are using Purify and want to suppress spurious messages.
+   */
+/* #undef USING_PURIFY */
+
+/* Version number of package */
+#define VERSION "3.3"
+
+/* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most
+   significant byte first (like Motorola and SPARC, unlike Intel). */
+#if defined AC_APPLE_UNIVERSAL_BUILD
+# if defined __BIG_ENDIAN__
+#  define WORDS_BIGENDIAN 1
+# endif
+#else
+# ifndef WORDS_BIGENDIAN
+/* #  undef WORDS_BIGENDIAN */
+# endif
+#endif
+
+/* Define to `unsigned int' if <sys/types.h> does not define. */
+/* #undef size_t */
+
+
+#ifdef HAVE_HIDDEN_VISIBILITY_ATTRIBUTE
+#ifdef LIBFFI_ASM
+#ifdef __APPLE__
+#define FFI_HIDDEN(name) .private_extern name
+#else
+#define FFI_HIDDEN(name) .hidden name
+#endif
+#else
+#define FFI_HIDDEN __attribute__ ((visibility ("hidden")))
+#endif
+#else
+#ifdef LIBFFI_ASM
+#define FFI_HIDDEN(name)
+#else
+#define FFI_HIDDEN
+#endif
+#endif
+
diff --git a/contrib/restricted/libffi/configs/aarch64-unknown-linux-gnu/include/ffi.h b/contrib/restricted/libffi/configs/aarch64-unknown-linux-gnu/include/ffi.h
new file mode 100644
index 0000000000..631c77ae35
--- /dev/null
+++ b/contrib/restricted/libffi/configs/aarch64-unknown-linux-gnu/include/ffi.h
@@ -0,0 +1,515 @@
+/* -----------------------------------------------------------------*-C-*-
+   libffi 3.3 - Copyright (c) 2011, 2014, 2019 Anthony Green
+                    - Copyright (c) 1996-2003, 2007, 2008 Red Hat, Inc.
+
+   Permission is hereby granted, free of charge, to any person
+   obtaining a copy of this software and associated documentation
+   files (the ``Software''), to deal in the Software without
+   restriction, including without limitation the rights to use, copy,
+   modify, merge, publish, distribute, sublicense, and/or sell copies
+   of the Software, and to permit persons to whom the Software is
+   furnished to do so, subject to the following conditions:
+
+   The above copyright notice and this permission notice shall be
+   included in all copies or substantial portions of the Software.
+
+   THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
+   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+   NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+   HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+   WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+   DEALINGS IN THE SOFTWARE.
+
+   ----------------------------------------------------------------------- */
+
+/* -------------------------------------------------------------------
+   Most of the API is documented in doc/libffi.texi.
+
+   The raw API is designed to bypass some of the argument packing and
+   unpacking on architectures for which it can be avoided.  Routines
+   are provided to emulate the raw API if the underlying platform
+   doesn't allow faster implementation.
+
+   More details on the raw API can be found in:
+
+   http://gcc.gnu.org/ml/java/1999-q3/msg00138.html
+
+   and
+
+   http://gcc.gnu.org/ml/java/1999-q3/msg00174.html
+   -------------------------------------------------------------------- */
+
+#ifndef LIBFFI_H
+#define LIBFFI_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Specify which architecture libffi is configured for. */
+#ifndef AARCH64
+#define AARCH64
+#endif
+
+/* ---- System configuration information --------------------------------- */
+
+#include <ffitarget.h>
+
+#ifndef LIBFFI_ASM
+
+#if defined(_MSC_VER) && !defined(__clang__)
+#define __attribute__(X)
+#endif
+
+#include <stddef.h>
+#include <limits.h>
+
+/* LONG_LONG_MAX is not always defined (not if STRICT_ANSI, for example).
+   But we can find it either under the correct ANSI name, or under GNU
+   C's internal name.  */
+
+#define FFI_64_BIT_MAX 9223372036854775807
+
+#ifdef LONG_LONG_MAX
+# define FFI_LONG_LONG_MAX LONG_LONG_MAX
+#else
+# ifdef LLONG_MAX
+#  define FFI_LONG_LONG_MAX LLONG_MAX
+#  ifdef _AIX52 /* or newer has C99 LLONG_MAX */
+#   undef FFI_64_BIT_MAX
+#   define FFI_64_BIT_MAX 9223372036854775807LL
+#  endif /* _AIX52 or newer */
+# else
+#  ifdef __GNUC__
+#   define FFI_LONG_LONG_MAX __LONG_LONG_MAX__
+#  endif
+#  ifdef _AIX /* AIX 5.1 and earlier have LONGLONG_MAX */
+#   ifndef __PPC64__
+#    if defined (__IBMC__) || defined (__IBMCPP__)
+#     define FFI_LONG_LONG_MAX LONGLONG_MAX
+#    endif
+#   endif /* __PPC64__ */
+#   undef  FFI_64_BIT_MAX
+#   define FFI_64_BIT_MAX 9223372036854775807LL
+#  endif
+# endif
+#endif
+
+/* The closure code assumes that this works on pointers, i.e. a size_t
+   can hold a pointer.  */
+
+typedef struct _ffi_type
+{
+  size_t size;
+  unsigned short alignment;
+  unsigned short type;
+  struct _ffi_type **elements;
+} ffi_type;
+
+/* Need minimal decorations for DLLs to work on Windows.  GCC has
+   autoimport and autoexport.  Always mark externally visible symbols
+   as dllimport for MSVC clients, even if it means an extra indirection
+   when using the static version of the library.
+   Besides, as a workaround, they can define FFI_BUILDING if they
+   *know* they are going to link with the static library.  */
+#if defined _MSC_VER
+# if defined FFI_BUILDING_DLL /* Building libffi.DLL with msvcc.sh */
+#  define FFI_API __declspec(dllexport)
+# elif !defined FFI_BUILDING  /* Importing libffi.DLL */
+#  define FFI_API __declspec(dllimport)
+# else                        /* Building/linking static library */
+#  define FFI_API
+# endif
+#else
+# define FFI_API
+#endif
+
+/* The externally visible type declarations also need the MSVC DLL
+   decorations, or they will not be exported from the object file.  */
+#if defined LIBFFI_HIDE_BASIC_TYPES
+# define FFI_EXTERN FFI_API
+#else
+# define FFI_EXTERN extern FFI_API
+#endif
+
+#ifndef LIBFFI_HIDE_BASIC_TYPES
+#if SCHAR_MAX == 127
+# define ffi_type_uchar                ffi_type_uint8
+# define ffi_type_schar                ffi_type_sint8
+#else
+ #error "char size not supported"
+#endif
+
+#if SHRT_MAX == 32767
+# define ffi_type_ushort       ffi_type_uint16
+# define ffi_type_sshort       ffi_type_sint16
+#elif SHRT_MAX == 2147483647
+# define ffi_type_ushort       ffi_type_uint32
+# define ffi_type_sshort       ffi_type_sint32
+#else
+ #error "short size not supported"
+#endif
+
+#if INT_MAX == 32767
+# define ffi_type_uint         ffi_type_uint16
+# define ffi_type_sint         ffi_type_sint16
+#elif INT_MAX == 2147483647
+# define ffi_type_uint         ffi_type_uint32
+# define ffi_type_sint         ffi_type_sint32
+#elif INT_MAX == 9223372036854775807
+# define ffi_type_uint         ffi_type_uint64
+# define ffi_type_sint         ffi_type_sint64
+#else
+ #error "int size not supported"
+#endif
+
+#if LONG_MAX == 2147483647
+# if FFI_LONG_LONG_MAX != FFI_64_BIT_MAX
+ #error "no 64-bit data type supported"
+# endif
+#elif LONG_MAX != FFI_64_BIT_MAX
+ #error "long size not supported"
+#endif
+
+#if LONG_MAX == 2147483647
+# define ffi_type_ulong        ffi_type_uint32
+# define ffi_type_slong        ffi_type_sint32
+#elif LONG_MAX == FFI_64_BIT_MAX
+# define ffi_type_ulong        ffi_type_uint64
+# define ffi_type_slong        ffi_type_sint64
+#else
+ #error "long size not supported"
+#endif
+
+/* These are defined in types.c.  */
+FFI_EXTERN ffi_type ffi_type_void;
+FFI_EXTERN ffi_type ffi_type_uint8;
+FFI_EXTERN ffi_type ffi_type_sint8;
+FFI_EXTERN ffi_type ffi_type_uint16;
+FFI_EXTERN ffi_type ffi_type_sint16;
+FFI_EXTERN ffi_type ffi_type_uint32;
+FFI_EXTERN ffi_type ffi_type_sint32;
+FFI_EXTERN ffi_type ffi_type_uint64;
+FFI_EXTERN ffi_type ffi_type_sint64;
+FFI_EXTERN ffi_type ffi_type_float;
+FFI_EXTERN ffi_type ffi_type_double;
+FFI_EXTERN ffi_type ffi_type_pointer;
+
+#if 1
+FFI_EXTERN ffi_type ffi_type_longdouble;
+#else
+#define ffi_type_longdouble ffi_type_double
+#endif
+
+#ifdef FFI_TARGET_HAS_COMPLEX_TYPE
+FFI_EXTERN ffi_type ffi_type_complex_float;
+FFI_EXTERN ffi_type ffi_type_complex_double;
+#if 1
+FFI_EXTERN ffi_type ffi_type_complex_longdouble;
+#else
+#define ffi_type_complex_longdouble ffi_type_complex_double
+#endif
+#endif
+#endif /* LIBFFI_HIDE_BASIC_TYPES */
+
+typedef enum {
+  FFI_OK = 0,
+  FFI_BAD_TYPEDEF,
+  FFI_BAD_ABI
+} ffi_status;
+
+typedef struct {
+  ffi_abi abi;
+  unsigned nargs;
+  ffi_type **arg_types;
+  ffi_type *rtype;
+  unsigned bytes;
+  unsigned flags;
+#ifdef FFI_EXTRA_CIF_FIELDS
+  FFI_EXTRA_CIF_FIELDS;
+#endif
+} ffi_cif;
+
+/* ---- Definitions for the raw API -------------------------------------- */
+
+#ifndef FFI_SIZEOF_ARG
+# if LONG_MAX == 2147483647
+#  define FFI_SIZEOF_ARG        4
+# elif LONG_MAX == FFI_64_BIT_MAX
+#  define FFI_SIZEOF_ARG        8
+# endif
+#endif
+
+#ifndef FFI_SIZEOF_JAVA_RAW
+#  define FFI_SIZEOF_JAVA_RAW FFI_SIZEOF_ARG
+#endif
+
+typedef union {
+  ffi_sarg  sint;
+  ffi_arg   uint;
+  float	    flt;
+  char      data[FFI_SIZEOF_ARG];
+  void*     ptr;
+} ffi_raw;
+
+#if FFI_SIZEOF_JAVA_RAW == 4 && FFI_SIZEOF_ARG == 8
+/* This is a special case for mips64/n32 ABI (and perhaps others) where
+   sizeof(void *) is 4 and FFI_SIZEOF_ARG is 8.  */
+typedef union {
+  signed int	sint;
+  unsigned int	uint;
+  float		flt;
+  char		data[FFI_SIZEOF_JAVA_RAW];
+  void*		ptr;
+} ffi_java_raw;
+#else
+typedef ffi_raw ffi_java_raw;
+#endif
+
+
+FFI_API 
+void ffi_raw_call (ffi_cif *cif,
+		   void (*fn)(void),
+		   void *rvalue,
+		   ffi_raw *avalue);
+
+FFI_API void ffi_ptrarray_to_raw (ffi_cif *cif, void **args, ffi_raw *raw);
+FFI_API void ffi_raw_to_ptrarray (ffi_cif *cif, ffi_raw *raw, void **args);
+FFI_API size_t ffi_raw_size (ffi_cif *cif);
+
+/* This is analogous to the raw API, except it uses Java parameter
+   packing, even on 64-bit machines.  I.e. on 64-bit machines longs
+   and doubles are followed by an empty 64-bit word.  */
+
+#if !FFI_NATIVE_RAW_API
+FFI_API
+void ffi_java_raw_call (ffi_cif *cif,
+			void (*fn)(void),
+			void *rvalue,
+			ffi_java_raw *avalue) __attribute__((deprecated));
+#endif
+
+FFI_API
+void ffi_java_ptrarray_to_raw (ffi_cif *cif, void **args, ffi_java_raw *raw) __attribute__((deprecated));
+FFI_API
+void ffi_java_raw_to_ptrarray (ffi_cif *cif, ffi_java_raw *raw, void **args) __attribute__((deprecated));
+FFI_API
+size_t ffi_java_raw_size (ffi_cif *cif) __attribute__((deprecated));
+
+/* ---- Definitions for closures ----------------------------------------- */
+
+#if FFI_CLOSURES
+
+#ifdef _MSC_VER
+__declspec(align(8))
+#endif
+typedef struct {
+#if 0
+  void *trampoline_table;
+  void *trampoline_table_entry;
+#else
+  char tramp[FFI_TRAMPOLINE_SIZE];
+#endif
+  ffi_cif   *cif;
+  void     (*fun)(ffi_cif*,void*,void**,void*);
+  void      *user_data;
+} ffi_closure
+#ifdef __GNUC__
+    __attribute__((aligned (8)))
+#endif
+    ;
+
+#ifndef __GNUC__
+# ifdef __sgi
+#  pragma pack 0
+# endif
+#endif
+
+FFI_API void *ffi_closure_alloc (size_t size, void **code);
+FFI_API void ffi_closure_free (void *);
+
+FFI_API ffi_status
+ffi_prep_closure (ffi_closure*,
+		  ffi_cif *,
+		  void (*fun)(ffi_cif*,void*,void**,void*),
+		  void *user_data)
+#if defined(__GNUC__) && (((__GNUC__ * 100) + __GNUC_MINOR__) >= 405)
+  __attribute__((deprecated ("use ffi_prep_closure_loc instead")))
+#elif defined(__GNUC__) && __GNUC__ >= 3
+  __attribute__((deprecated))
+#endif
+  ;
+
+FFI_API ffi_status
+ffi_prep_closure_loc (ffi_closure*,
+		      ffi_cif *,
+		      void (*fun)(ffi_cif*,void*,void**,void*),
+		      void *user_data,
+		      void*codeloc);
+
+#ifdef __sgi
+# pragma pack 8
+#endif
+typedef struct {
+#if 0
+  void *trampoline_table;
+  void *trampoline_table_entry;
+#else
+  char tramp[FFI_TRAMPOLINE_SIZE];
+#endif
+  ffi_cif   *cif;
+
+#if !FFI_NATIVE_RAW_API
+
+  /* If this is enabled, then a raw closure has the same layout 
+     as a regular closure.  We use this to install an intermediate 
+     handler to do the transaltion, void** -> ffi_raw*.  */
+
+  void     (*translate_args)(ffi_cif*,void*,void**,void*);
+  void      *this_closure;
+
+#endif
+
+  void     (*fun)(ffi_cif*,void*,ffi_raw*,void*);
+  void      *user_data;
+
+} ffi_raw_closure;
+
+typedef struct {
+#if 0
+  void *trampoline_table;
+  void *trampoline_table_entry;
+#else
+  char tramp[FFI_TRAMPOLINE_SIZE];
+#endif
+
+  ffi_cif   *cif;
+
+#if !FFI_NATIVE_RAW_API
+
+  /* If this is enabled, then a raw closure has the same layout 
+     as a regular closure.  We use this to install an intermediate 
+     handler to do the translation, void** -> ffi_raw*.  */
+
+  void     (*translate_args)(ffi_cif*,void*,void**,void*);
+  void      *this_closure;
+
+#endif
+
+  void     (*fun)(ffi_cif*,void*,ffi_java_raw*,void*);
+  void      *user_data;
+
+} ffi_java_raw_closure;
+
+FFI_API ffi_status
+ffi_prep_raw_closure (ffi_raw_closure*,
+		      ffi_cif *cif,
+		      void (*fun)(ffi_cif*,void*,ffi_raw*,void*),
+		      void *user_data);
+
+FFI_API ffi_status
+ffi_prep_raw_closure_loc (ffi_raw_closure*,
+			  ffi_cif *cif,
+			  void (*fun)(ffi_cif*,void*,ffi_raw*,void*),
+			  void *user_data,
+			  void *codeloc);
+
+#if !FFI_NATIVE_RAW_API
+FFI_API ffi_status
+ffi_prep_java_raw_closure (ffi_java_raw_closure*,
+		           ffi_cif *cif,
+		           void (*fun)(ffi_cif*,void*,ffi_java_raw*,void*),
+		           void *user_data) __attribute__((deprecated));
+
+FFI_API ffi_status
+ffi_prep_java_raw_closure_loc (ffi_java_raw_closure*,
+			       ffi_cif *cif,
+			       void (*fun)(ffi_cif*,void*,ffi_java_raw*,void*),
+			       void *user_data,
+			       void *codeloc) __attribute__((deprecated));
+#endif
+
+#endif /* FFI_CLOSURES */
+
+#if FFI_GO_CLOSURES
+
+typedef struct {
+  void      *tramp;
+  ffi_cif   *cif;
+  void     (*fun)(ffi_cif*,void*,void**,void*);
+} ffi_go_closure;
+
+FFI_API ffi_status ffi_prep_go_closure (ffi_go_closure*, ffi_cif *,
+				void (*fun)(ffi_cif*,void*,void**,void*));
+
+FFI_API void ffi_call_go (ffi_cif *cif, void (*fn)(void), void *rvalue,
+		  void **avalue, void *closure);
+
+#endif /* FFI_GO_CLOSURES */
+
+/* ---- Public interface definition -------------------------------------- */
+
+FFI_API 
+ffi_status ffi_prep_cif(ffi_cif *cif,
+			ffi_abi abi,
+			unsigned int nargs,
+			ffi_type *rtype,
+			ffi_type **atypes);
+
+FFI_API
+ffi_status ffi_prep_cif_var(ffi_cif *cif,
+			    ffi_abi abi,
+			    unsigned int nfixedargs,
+			    unsigned int ntotalargs,
+			    ffi_type *rtype,
+			    ffi_type **atypes);
+
+FFI_API
+void ffi_call(ffi_cif *cif,
+	      void (*fn)(void),
+	      void *rvalue,
+	      void **avalue);
+
+FFI_API
+ffi_status ffi_get_struct_offsets (ffi_abi abi, ffi_type *struct_type,
+				   size_t *offsets);
+
+/* Useful for eliminating compiler warnings.  */
+#define FFI_FN(f) ((void (*)(void))f)
+
+/* ---- Definitions shared with assembly code ---------------------------- */
+
+#endif
+
+/* If these change, update src/mips/ffitarget.h. */
+#define FFI_TYPE_VOID       0    
+#define FFI_TYPE_INT        1
+#define FFI_TYPE_FLOAT      2    
+#define FFI_TYPE_DOUBLE     3
+#if 1
+#define FFI_TYPE_LONGDOUBLE 4
+#else
+#define FFI_TYPE_LONGDOUBLE FFI_TYPE_DOUBLE
+#endif
+#define FFI_TYPE_UINT8      5   
+#define FFI_TYPE_SINT8      6
+#define FFI_TYPE_UINT16     7 
+#define FFI_TYPE_SINT16     8
+#define FFI_TYPE_UINT32     9
+#define FFI_TYPE_SINT32     10
+#define FFI_TYPE_UINT64     11
+#define FFI_TYPE_SINT64     12
+#define FFI_TYPE_STRUCT     13
+#define FFI_TYPE_POINTER    14
+#define FFI_TYPE_COMPLEX    15
+
+/* This should always refer to the last type code (for sanity checks).  */
+#define FFI_TYPE_LAST       FFI_TYPE_COMPLEX
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/contrib/restricted/libffi/configs/aarch64-unknown-linux-gnu/include/ffitarget.h b/contrib/restricted/libffi/configs/aarch64-unknown-linux-gnu/include/ffitarget.h
new file mode 100644
index 0000000000..ecb6d2deae
--- /dev/null
+++ b/contrib/restricted/libffi/configs/aarch64-unknown-linux-gnu/include/ffitarget.h
@@ -0,0 +1,92 @@
+/* Copyright (c) 2009, 2010, 2011, 2012 ARM Ltd.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+``Software''), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
+
+#ifndef LIBFFI_TARGET_H
+#define LIBFFI_TARGET_H
+
+#ifndef LIBFFI_H
+#error "Please do not include ffitarget.h directly into your source.  Use ffi.h instead."
+#endif
+
+#ifndef LIBFFI_ASM
+#ifdef __ILP32__
+#define FFI_SIZEOF_ARG 8
+#define FFI_SIZEOF_JAVA_RAW  4
+typedef unsigned long long ffi_arg;
+typedef signed long long ffi_sarg;
+#elif defined(_M_ARM64)
+#define FFI_SIZEOF_ARG 8
+typedef unsigned long long ffi_arg;
+typedef signed long long ffi_sarg;
+#else
+typedef unsigned long ffi_arg;
+typedef signed long ffi_sarg;
+#endif
+
+typedef enum ffi_abi
+  {
+    FFI_FIRST_ABI = 0,
+    FFI_SYSV,
+    FFI_LAST_ABI,
+    FFI_DEFAULT_ABI = FFI_SYSV
+  } ffi_abi;
+#endif
+
+/* ---- Definitions for closures ----------------------------------------- */
+
+#define FFI_CLOSURES 1
+#define FFI_NATIVE_RAW_API 0
+
+#if defined (FFI_EXEC_TRAMPOLINE_TABLE) && FFI_EXEC_TRAMPOLINE_TABLE
+
+#ifdef __MACH__
+#define FFI_TRAMPOLINE_SIZE 16
+#define FFI_TRAMPOLINE_CLOSURE_OFFSET 16
+#else
+#error "No trampoline table implementation"
+#endif
+
+#else
+#define FFI_TRAMPOLINE_SIZE 24
+#define FFI_TRAMPOLINE_CLOSURE_OFFSET FFI_TRAMPOLINE_SIZE
+#endif
+
+#ifdef _M_ARM64
+#define FFI_EXTRA_CIF_FIELDS unsigned is_variadic
+#endif
+
+/* ---- Internal ---- */
+
+#if defined (__APPLE__)
+#define FFI_TARGET_SPECIFIC_VARIADIC
+#define FFI_EXTRA_CIF_FIELDS unsigned aarch64_nfixedargs
+#elif !defined(_M_ARM64)
+/* iOS and Windows reserve x18 for the system.  Disable Go closures until
+   a new static chain is chosen.  */
+#define FFI_GO_CLOSURES 1
+#endif
+
+#ifndef _M_ARM64
+/* No complex type on Windows */
+#define FFI_TARGET_HAS_COMPLEX_TYPE
+#endif
+
+#endif
diff --git a/contrib/restricted/libffi/src/aarch64/ffi.c b/contrib/restricted/libffi/src/aarch64/ffi.c
new file mode 100644
index 0000000000..1ebf43c192
--- /dev/null
+++ b/contrib/restricted/libffi/src/aarch64/ffi.c
@@ -0,0 +1,1009 @@
+/* Copyright (c) 2009, 2010, 2011, 2012 ARM Ltd.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+``Software''), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
+
+#if defined(__aarch64__) || defined(__arm64__)|| defined (_M_ARM64)
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <fficonfig.h>
+#include <ffi.h>
+#include <ffi_common.h>
+#include "internal.h"
+#ifdef _M_ARM64
+#include <windows.h> /* FlushInstructionCache */
+#endif
+
+/* Force FFI_TYPE_LONGDOUBLE to be different than FFI_TYPE_DOUBLE;
+   all further uses in this file will refer to the 128-bit type.  */
+#if FFI_TYPE_DOUBLE != FFI_TYPE_LONGDOUBLE
+# if FFI_TYPE_LONGDOUBLE != 4
+#  error FFI_TYPE_LONGDOUBLE out of date
+# endif
+#else
+# undef FFI_TYPE_LONGDOUBLE
+# define FFI_TYPE_LONGDOUBLE 4
+#endif
+
+union _d
+{
+  UINT64 d;
+  UINT32 s[2];
+};
+
+struct _v
+{
+  union _d d[2] __attribute__((aligned(16)));
+};
+
+struct call_context
+{
+  struct _v v[N_V_ARG_REG];
+  UINT64 x[N_X_ARG_REG];
+};
+
+#if FFI_EXEC_TRAMPOLINE_TABLE
+
+#ifdef __MACH__
+#include <mach/vm_param.h>
+#endif
+
+#else
+
+#if defined (__clang__) && defined (__APPLE__)
+extern void sys_icache_invalidate (void *start, size_t len);
+#endif
+
+static inline void
+ffi_clear_cache (void *start, void *end)
+{
+#if defined (__clang__) && defined (__APPLE__)
+  sys_icache_invalidate (start, (char *)end - (char *)start);
+#elif defined (__GNUC__)
+  __builtin___clear_cache (start, end);
+#elif defined (_M_ARM64)
+  FlushInstructionCache(GetCurrentProcess(), start, (char*)end - (char*)start);
+#else
+#error "Missing builtin to flush instruction cache"
+#endif
+}
+
+#endif
+
+/* A subroutine of is_vfp_type.  Given a structure type, return the type code
+   of the first non-structure element.  Recurse for structure elements.
+   Return -1 if the structure is in fact empty, i.e. no nested elements.  */
+
+static int
+is_hfa0 (const ffi_type *ty)
+{
+  ffi_type **elements = ty->elements;
+  int i, ret = -1;
+
+  if (elements != NULL)
+    for (i = 0; elements[i]; ++i)
+      {
+        ret = elements[i]->type;
+        if (ret == FFI_TYPE_STRUCT || ret == FFI_TYPE_COMPLEX)
+          {
+            ret = is_hfa0 (elements[i]);
+            if (ret < 0)
+              continue;
+          }
+        break;
+      }
+
+  return ret;
+}
+
+/* A subroutine of is_vfp_type.  Given a structure type, return true if all
+   of the non-structure elements are the same as CANDIDATE.  */
+
+static int
+is_hfa1 (const ffi_type *ty, int candidate)
+{
+  ffi_type **elements = ty->elements;
+  int i;
+
+  if (elements != NULL)
+    for (i = 0; elements[i]; ++i)
+      {
+        int t = elements[i]->type;
+        if (t == FFI_TYPE_STRUCT || t == FFI_TYPE_COMPLEX)
+          {
+            if (!is_hfa1 (elements[i], candidate))
+              return 0;
+          }
+        else if (t != candidate)
+          return 0;
+      }
+
+  return 1;
+}
+
+/* Determine if TY may be allocated to the FP registers.  This is both an
+   fp scalar type as well as an homogenous floating point aggregate (HFA).
+   That is, a structure consisting of 1 to 4 members of all the same type,
+   where that type is an fp scalar.
+
+   Returns non-zero iff TY is an HFA.  The result is the AARCH64_RET_*
+   constant for the type.  */
+
+static int
+is_vfp_type (const ffi_type *ty)
+{
+  ffi_type **elements;
+  int candidate, i;
+  size_t size, ele_count;
+
+  /* Quickest tests first.  */
+  candidate = ty->type;
+  switch (candidate)
+    {
+    default:
+      return 0;
+    case FFI_TYPE_FLOAT:
+    case FFI_TYPE_DOUBLE:
+    case FFI_TYPE_LONGDOUBLE:
+      ele_count = 1;
+      goto done;
+    case FFI_TYPE_COMPLEX:
+      candidate = ty->elements[0]->type;
+      switch (candidate)
+	{
+	case FFI_TYPE_FLOAT:
+	case FFI_TYPE_DOUBLE:
+	case FFI_TYPE_LONGDOUBLE:
+	  ele_count = 2;
+	  goto done;
+	}
+      return 0;
+    case FFI_TYPE_STRUCT:
+      break;
+    }
+
+  /* No HFA types are smaller than 4 bytes, or larger than 64 bytes.  */
+  size = ty->size;
+  if (size < 4 || size > 64)
+    return 0;
+
+  /* Find the type of the first non-structure member.  */
+  elements = ty->elements;
+  candidate = elements[0]->type;
+  if (candidate == FFI_TYPE_STRUCT || candidate == FFI_TYPE_COMPLEX)
+    {
+      for (i = 0; ; ++i)
+        {
+          candidate = is_hfa0 (elements[i]);
+          if (candidate >= 0)
+            break;
+        }
+    }
+
+  /* If the first member is not a floating point type, it's not an HFA.
+     Also quickly re-check the size of the structure.  */
+  switch (candidate)
+    {
+    case FFI_TYPE_FLOAT:
+      ele_count = size / sizeof(float);
+      if (size != ele_count * sizeof(float))
+        return 0;
+      break;
+    case FFI_TYPE_DOUBLE:
+      ele_count = size / sizeof(double);
+      if (size != ele_count * sizeof(double))
+        return 0;
+      break;
+    case FFI_TYPE_LONGDOUBLE:
+      ele_count = size / sizeof(long double);
+      if (size != ele_count * sizeof(long double))
+        return 0;
+      break;
+    default:
+      return 0;
+    }
+  if (ele_count > 4)
+    return 0;
+
+  /* Finally, make sure that all scalar elements are the same type.  */
+  for (i = 0; elements[i]; ++i)
+    {
+      int t = elements[i]->type;
+      if (t == FFI_TYPE_STRUCT || t == FFI_TYPE_COMPLEX)
+        {
+          if (!is_hfa1 (elements[i], candidate))
+            return 0;
+        }
+      else if (t != candidate)
+        return 0;
+    }
+
+  /* All tests succeeded.  Encode the result.  */
+ done:
+  return candidate * 4 + (4 - (int)ele_count);
+}
+
+/* Representation of the procedure call argument marshalling
+   state.
+
+   The terse state variable names match the names used in the AARCH64
+   PCS. */
+
+struct arg_state
+{
+  unsigned ngrn;                /* Next general-purpose register number. */
+  unsigned nsrn;                /* Next vector register number. */
+  size_t nsaa;                  /* Next stack offset. */
+
+#if defined (__APPLE__)
+  unsigned allocating_variadic;
+#endif
+};
+
+/* Initialize a procedure call argument marshalling state.  */
+static void
+arg_init (struct arg_state *state)
+{
+  state->ngrn = 0;
+  state->nsrn = 0;
+  state->nsaa = 0;
+#if defined (__APPLE__)
+  state->allocating_variadic = 0;
+#endif
+}
+
+/* Allocate an aligned slot on the stack and return a pointer to it.  */
+static void *
+allocate_to_stack (struct arg_state *state, void *stack,
+		   size_t alignment, size_t size)
+{
+  size_t nsaa = state->nsaa;
+
+  /* Round up the NSAA to the larger of 8 or the natural
+     alignment of the argument's type.  */
+#if defined (__APPLE__)
+  if (state->allocating_variadic && alignment < 8)
+    alignment = 8;
+#else
+  if (alignment < 8)
+    alignment = 8;
+#endif
+    
+  nsaa = FFI_ALIGN (nsaa, alignment);
+  state->nsaa = nsaa + size;
+
+  return (char *)stack + nsaa;
+}
+
+static ffi_arg
+extend_integer_type (void *source, int type)
+{
+  switch (type)
+    {
+    case FFI_TYPE_UINT8:
+      return *(UINT8 *) source;
+    case FFI_TYPE_SINT8:
+      return *(SINT8 *) source;
+    case FFI_TYPE_UINT16:
+      return *(UINT16 *) source;
+    case FFI_TYPE_SINT16:
+      return *(SINT16 *) source;
+    case FFI_TYPE_UINT32:
+      return *(UINT32 *) source;
+    case FFI_TYPE_INT:
+    case FFI_TYPE_SINT32:
+      return *(SINT32 *) source;
+    case FFI_TYPE_UINT64:
+    case FFI_TYPE_SINT64:
+      return *(UINT64 *) source;
+      break;
+    case FFI_TYPE_POINTER:
+      return *(uintptr_t *) source;
+    default:
+      abort();
+    }
+}
+
+#if defined(_MSC_VER)
+void extend_hfa_type (void *dest, void *src, int h);
+#else
+static void
+extend_hfa_type (void *dest, void *src, int h)
+{
+  ssize_t f = h - AARCH64_RET_S4;
+  void *x0;
+
+  asm volatile (
+	"adr	%0, 0f\n"
+"	add	%0, %0, %1\n"
+"	br	%0\n"
+"0:	ldp	s16, s17, [%3]\n"	/* S4 */
+"	ldp	s18, s19, [%3, #8]\n"
+"	b	4f\n"
+"	ldp	s16, s17, [%3]\n"	/* S3 */
+"	ldr	s18, [%3, #8]\n"
+"	b	3f\n"
+"	ldp	s16, s17, [%3]\n"	/* S2 */
+"	b	2f\n"
+"	nop\n"
+"	ldr	s16, [%3]\n"		/* S1 */
+"	b	1f\n"
+"	nop\n"
+"	ldp	d16, d17, [%3]\n"	/* D4 */
+"	ldp	d18, d19, [%3, #16]\n"
+"	b	4f\n"
+"	ldp	d16, d17, [%3]\n"	/* D3 */
+"	ldr	d18, [%3, #16]\n"
+"	b	3f\n"
+"	ldp	d16, d17, [%3]\n"	/* D2 */
+"	b	2f\n"
+"	nop\n"
+"	ldr	d16, [%3]\n"		/* D1 */
+"	b	1f\n"
+"	nop\n"
+"	ldp	q16, q17, [%3]\n"	/* Q4 */
+"	ldp	q18, q19, [%3, #32]\n"
+"	b	4f\n"
+"	ldp	q16, q17, [%3]\n"	/* Q3 */
+"	ldr	q18, [%3, #32]\n"
+"	b	3f\n"
+"	ldp	q16, q17, [%3]\n"	/* Q2 */
+"	b	2f\n"
+"	nop\n"
+"	ldr	q16, [%3]\n"		/* Q1 */
+"	b	1f\n"
+"4:	str	q19, [%2, #48]\n"
+"3:	str	q18, [%2, #32]\n"
+"2:	str	q17, [%2, #16]\n"
+"1:	str	q16, [%2]"
+    : "=&r"(x0)
+    : "r"(f * 12), "r"(dest), "r"(src)
+    : "memory", "v16", "v17", "v18", "v19");
+}
+#endif
+
+#if defined(_MSC_VER)
+void* compress_hfa_type (void *dest, void *src, int h);
+#else
+static void *
+compress_hfa_type (void *dest, void *reg, int h)
+{
+  switch (h)
+    {
+    case AARCH64_RET_S1:
+      if (dest == reg)
+	{
+#ifdef __AARCH64EB__
+	  dest += 12;
+#endif
+	}
+      else
+	*(float *)dest = *(float *)reg;
+      break;
+    case AARCH64_RET_S2:
+      asm ("ldp q16, q17, [%1]\n\t"
+	   "st2 { v16.s, v17.s }[0], [%0]"
+	   : : "r"(dest), "r"(reg) : "memory", "v16", "v17");
+      break;
+    case AARCH64_RET_S3:
+      asm ("ldp q16, q17, [%1]\n\t"
+	   "ldr q18, [%1, #32]\n\t"
+	   "st3 { v16.s, v17.s, v18.s }[0], [%0]"
+	   : : "r"(dest), "r"(reg) : "memory", "v16", "v17", "v18");
+      break;
+    case AARCH64_RET_S4:
+      asm ("ldp q16, q17, [%1]\n\t"
+	   "ldp q18, q19, [%1, #32]\n\t"
+	   "st4 { v16.s, v17.s, v18.s, v19.s }[0], [%0]"
+	   : : "r"(dest), "r"(reg) : "memory", "v16", "v17", "v18", "v19");
+      break;
+
+    case AARCH64_RET_D1:
+      if (dest == reg)
+	{
+#ifdef __AARCH64EB__
+	  dest += 8;
+#endif
+	}
+      else
+	*(double *)dest = *(double *)reg;
+      break;
+    case AARCH64_RET_D2:
+      asm ("ldp q16, q17, [%1]\n\t"
+	   "st2 { v16.d, v17.d }[0], [%0]"
+	   : : "r"(dest), "r"(reg) : "memory", "v16", "v17");
+      break;
+    case AARCH64_RET_D3:
+      asm ("ldp q16, q17, [%1]\n\t"
+	   "ldr q18, [%1, #32]\n\t"
+	   "st3 { v16.d, v17.d, v18.d }[0], [%0]"
+	   : : "r"(dest), "r"(reg) : "memory", "v16", "v17", "v18");
+      break;
+    case AARCH64_RET_D4:
+      asm ("ldp q16, q17, [%1]\n\t"
+	   "ldp q18, q19, [%1, #32]\n\t"
+	   "st4 { v16.d, v17.d, v18.d, v19.d }[0], [%0]"
+	   : : "r"(dest), "r"(reg) : "memory", "v16", "v17", "v18", "v19");
+      break;
+
+    default:
+      if (dest != reg)
+	return memcpy (dest, reg, 16 * (4 - (h & 3)));
+      break;
+    }
+  return dest;
+}
+#endif
+
+/* Either allocate an appropriate register for the argument type, or if
+   none are available, allocate a stack slot and return a pointer
+   to the allocated space.  */
+
+static void *
+allocate_int_to_reg_or_stack (struct call_context *context,
+			      struct arg_state *state,
+			      void *stack, size_t size)
+{
+  if (state->ngrn < N_X_ARG_REG)
+    return &context->x[state->ngrn++];
+
+  state->ngrn = N_X_ARG_REG;
+  return allocate_to_stack (state, stack, size, size);
+}
+
+ffi_status FFI_HIDDEN
+ffi_prep_cif_machdep (ffi_cif *cif)
+{
+  ffi_type *rtype = cif->rtype;
+  size_t bytes = cif->bytes;
+  int flags, i, n;
+
+  switch (rtype->type)
+    {
+    case FFI_TYPE_VOID:
+      flags = AARCH64_RET_VOID;
+      break;
+    case FFI_TYPE_UINT8:
+      flags = AARCH64_RET_UINT8;
+      break;
+    case FFI_TYPE_UINT16:
+      flags = AARCH64_RET_UINT16;
+      break;
+    case FFI_TYPE_UINT32:
+      flags = AARCH64_RET_UINT32;
+      break;
+    case FFI_TYPE_SINT8:
+      flags = AARCH64_RET_SINT8;
+      break;
+    case FFI_TYPE_SINT16:
+      flags = AARCH64_RET_SINT16;
+      break;
+    case FFI_TYPE_INT:
+    case FFI_TYPE_SINT32:
+      flags = AARCH64_RET_SINT32;
+      break;
+    case FFI_TYPE_SINT64:
+    case FFI_TYPE_UINT64:
+      flags = AARCH64_RET_INT64;
+      break;
+    case FFI_TYPE_POINTER:
+      flags = (sizeof(void *) == 4 ? AARCH64_RET_UINT32 : AARCH64_RET_INT64);
+      break;
+
+    case FFI_TYPE_FLOAT:
+    case FFI_TYPE_DOUBLE:
+    case FFI_TYPE_LONGDOUBLE:
+    case FFI_TYPE_STRUCT:
+    case FFI_TYPE_COMPLEX:
+      flags = is_vfp_type (rtype);
+      if (flags == 0)
+	{
+	  size_t s = rtype->size;
+	  if (s > 16)
+	    {
+	      flags = AARCH64_RET_VOID | AARCH64_RET_IN_MEM;
+	      bytes += 8;
+	    }
+	  else if (s == 16)
+	    flags = AARCH64_RET_INT128;
+	  else if (s == 8)
+	    flags = AARCH64_RET_INT64;
+	  else
+	    flags = AARCH64_RET_INT128 | AARCH64_RET_NEED_COPY;
+	}
+      break;
+
+    default:
+      abort();
+    }
+
+  for (i = 0, n = cif->nargs; i < n; i++)
+    if (is_vfp_type (cif->arg_types[i]))
+      {
+	flags |= AARCH64_FLAG_ARG_V;
+	break;
+      }
+
+  /* Round the stack up to a multiple of the stack alignment requirement. */
+  cif->bytes = (unsigned) FFI_ALIGN(bytes, 16);
+  cif->flags = flags;
+#if defined (__APPLE__)
+  cif->aarch64_nfixedargs = 0;
+#endif
+
+  return FFI_OK;
+}
+
+#if defined (__APPLE__)
+/* Perform Apple-specific cif processing for variadic calls */
+ffi_status FFI_HIDDEN
+ffi_prep_cif_machdep_var(ffi_cif *cif, unsigned int nfixedargs,
+			 unsigned int ntotalargs)
+{
+  ffi_status status = ffi_prep_cif_machdep (cif);
+  cif->aarch64_nfixedargs = nfixedargs;
+  return status;
+}
+#endif /* __APPLE__ */
+
+extern void ffi_call_SYSV (struct call_context *context, void *frame,
+			   void (*fn)(void), void *rvalue, int flags,
+			   void *closure) FFI_HIDDEN;
+
+/* Call a function with the provided arguments and capture the return
+   value.  */
+static void
+ffi_call_int (ffi_cif *cif, void (*fn)(void), void *orig_rvalue,
+	      void **avalue, void *closure)
+{
+  struct call_context *context;
+  void *stack, *frame, *rvalue;
+  struct arg_state state;
+  size_t stack_bytes, rtype_size, rsize;
+  int i, nargs, flags;
+  ffi_type *rtype;
+
+  flags = cif->flags;
+  rtype = cif->rtype;
+  rtype_size = rtype->size;
+  stack_bytes = cif->bytes;
+
+  /* If the target function returns a structure via hidden pointer,
+     then we cannot allow a null rvalue.  Otherwise, mash a null
+     rvalue to void return type.  */
+  rsize = 0;
+  if (flags & AARCH64_RET_IN_MEM)
+    {
+      if (orig_rvalue == NULL)
+	rsize = rtype_size;
+    }
+  else if (orig_rvalue == NULL)
+    flags &= AARCH64_FLAG_ARG_V;
+  else if (flags & AARCH64_RET_NEED_COPY)
+    rsize = 16;
+
+  /* Allocate consectutive stack for everything we'll need.  */
+  context = alloca (sizeof(struct call_context) + stack_bytes + 32 + rsize);
+  stack = context + 1;
+  frame = (void*)((uintptr_t)stack + (uintptr_t)stack_bytes);
+  rvalue = (rsize ? (void*)((uintptr_t)frame + 32) : orig_rvalue);
+
+  arg_init (&state);
+  for (i = 0, nargs = cif->nargs; i < nargs; i++)
+    {
+      ffi_type *ty = cif->arg_types[i];
+      size_t s = ty->size;
+      void *a = avalue[i];
+      int h, t;
+
+      t = ty->type;
+      switch (t)
+	{
+	case FFI_TYPE_VOID:
+	  FFI_ASSERT (0);
+	  break;
+
+	/* If the argument is a basic type the argument is allocated to an
+	   appropriate register, or if none are available, to the stack.  */
+	case FFI_TYPE_INT:
+	case FFI_TYPE_UINT8:
+	case FFI_TYPE_SINT8:
+	case FFI_TYPE_UINT16:
+	case FFI_TYPE_SINT16:
+	case FFI_TYPE_UINT32:
+	case FFI_TYPE_SINT32:
+	case FFI_TYPE_UINT64:
+	case FFI_TYPE_SINT64:
+	case FFI_TYPE_POINTER:
+	do_pointer:
+	  {
+	    ffi_arg ext = extend_integer_type (a, t);
+	    if (state.ngrn < N_X_ARG_REG)
+	      context->x[state.ngrn++] = ext;
+	    else
+	      {
+		void *d = allocate_to_stack (&state, stack, ty->alignment, s);
+		state.ngrn = N_X_ARG_REG;
+		/* Note that the default abi extends each argument
+		   to a full 64-bit slot, while the iOS abi allocates
+		   only enough space. */
+#ifdef __APPLE__
+		memcpy(d, a, s);
+#else
+		*(ffi_arg *)d = ext;
+#endif
+	      }
+	  }
+	  break;
+
+	case FFI_TYPE_FLOAT:
+	case FFI_TYPE_DOUBLE:
+	case FFI_TYPE_LONGDOUBLE:
+	case FFI_TYPE_STRUCT:
+	case FFI_TYPE_COMPLEX:
+	  {
+	    void *dest;
+
+	    h = is_vfp_type (ty);
+	    if (h)
+	      {
+		int elems = 4 - (h & 3);
+#ifdef _M_ARM64 /* for handling armasm calling convention */
+                if (cif->is_variadic)
+                  {
+                    if (state.ngrn + elems <= N_X_ARG_REG)
+                      {
+                        dest = &context->x[state.ngrn];
+                        state.ngrn += elems;
+                        extend_hfa_type(dest, a, h);
+                        break;
+                      }
+                    state.nsrn = N_X_ARG_REG;
+                    dest = allocate_to_stack(&state, stack, ty->alignment, s);
+                  }
+                else
+                  {
+#endif /* for handling armasm calling convention */
+	        if (state.nsrn + elems <= N_V_ARG_REG)
+		  {
+		    dest = &context->v[state.nsrn];
+		    state.nsrn += elems;
+		    extend_hfa_type (dest, a, h);
+		    break;
+		  }
+		state.nsrn = N_V_ARG_REG;
+		dest = allocate_to_stack (&state, stack, ty->alignment, s);
+#ifdef _M_ARM64 /* for handling armasm calling convention */
+	      }
+#endif /* for handling armasm calling convention */
+	      }
+	    else if (s > 16)
+	      {
+		/* If the argument is a composite type that is larger than 16
+		   bytes, then the argument has been copied to memory, and
+		   the argument is replaced by a pointer to the copy.  */
+		a = &avalue[i];
+		t = FFI_TYPE_POINTER;
+		s = sizeof (void *);
+		goto do_pointer;
+	      }
+	    else
+	      {
+		size_t n = (s + 7) / 8;
+		if (state.ngrn + n <= N_X_ARG_REG)
+		  {
+		    /* If the argument is a composite type and the size in
+		       double-words is not more than the number of available
+		       X registers, then the argument is copied into
+		       consecutive X registers.  */
+		    dest = &context->x[state.ngrn];
+                    state.ngrn += (unsigned int)n;
+		  }
+		else
+		  {
+		    /* Otherwise, there are insufficient X registers. Further
+		       X register allocations are prevented, the NSAA is
+		       adjusted and the argument is copied to memory at the
+		       adjusted NSAA.  */
+		    state.ngrn = N_X_ARG_REG;
+		    dest = allocate_to_stack (&state, stack, ty->alignment, s);
+		  }
+		}
+	      memcpy (dest, a, s);
+	    }
+	  break;
+
+	default:
+	  abort();
+	}
+
+#if defined (__APPLE__)
+      if (i + 1 == cif->aarch64_nfixedargs)
+	{
+	  state.ngrn = N_X_ARG_REG;
+	  state.nsrn = N_V_ARG_REG;
+	  state.allocating_variadic = 1;
+	}
+#endif
+    }
+
+  ffi_call_SYSV (context, frame, fn, rvalue, flags, closure);
+
+  if (flags & AARCH64_RET_NEED_COPY)
+    memcpy (orig_rvalue, rvalue, rtype_size);
+}
+
+void
+ffi_call (ffi_cif *cif, void (*fn) (void), void *rvalue, void **avalue)
+{
+  ffi_call_int (cif, fn, rvalue, avalue, NULL);
+}
+
+#ifdef FFI_GO_CLOSURES
+void
+ffi_call_go (ffi_cif *cif, void (*fn) (void), void *rvalue,
+	     void **avalue, void *closure)
+{
+  ffi_call_int (cif, fn, rvalue, avalue, closure);
+}
+#endif /* FFI_GO_CLOSURES */
+
+/* Build a trampoline.  */
+
+extern void ffi_closure_SYSV (void) FFI_HIDDEN;
+extern void ffi_closure_SYSV_V (void) FFI_HIDDEN;
+
+ffi_status
+ffi_prep_closure_loc (ffi_closure *closure,
+                      ffi_cif* cif,
+                      void (*fun)(ffi_cif*,void*,void**,void*),
+                      void *user_data,
+                      void *codeloc)
+{
+  if (cif->abi != FFI_SYSV)
+    return FFI_BAD_ABI;
+
+  void (*start)(void);
+  
+  if (cif->flags & AARCH64_FLAG_ARG_V)
+    start = ffi_closure_SYSV_V;
+  else
+    start = ffi_closure_SYSV;
+
+#if FFI_EXEC_TRAMPOLINE_TABLE
+#ifdef __MACH__
+  void **config = (void **)((uint8_t *)codeloc - PAGE_MAX_SIZE);
+  config[0] = closure;
+  config[1] = start;
+#endif
+#else
+  static const unsigned char trampoline[16] = {
+    0x90, 0x00, 0x00, 0x58,	/* ldr	x16, tramp+16	*/
+    0xf1, 0xff, 0xff, 0x10,	/* adr	x17, tramp+0	*/
+    0x00, 0x02, 0x1f, 0xd6	/* br	x16		*/
+  };
+  char *tramp = closure->tramp;
+  
+  memcpy (tramp, trampoline, sizeof(trampoline));
+  
+  *(UINT64 *)(tramp + 16) = (uintptr_t)start;
+
+  ffi_clear_cache(tramp, tramp + FFI_TRAMPOLINE_SIZE);
+
+  /* Also flush the cache for code mapping.  */
+#ifdef _M_ARM64
+  // Not using dlmalloc.c for Windows ARM64 builds
+  // so calling ffi_data_to_code_pointer() isn't necessary
+  unsigned char *tramp_code = tramp;
+  #else
+  unsigned char *tramp_code = ffi_data_to_code_pointer (tramp);
+  #endif
+  ffi_clear_cache (tramp_code, tramp_code + FFI_TRAMPOLINE_SIZE);
+#endif
+
+  closure->cif = cif;
+  closure->fun = fun;
+  closure->user_data = user_data;
+
+  return FFI_OK;
+}
+
+#ifdef FFI_GO_CLOSURES
+extern void ffi_go_closure_SYSV (void) FFI_HIDDEN;
+extern void ffi_go_closure_SYSV_V (void) FFI_HIDDEN;
+
+ffi_status
+ffi_prep_go_closure (ffi_go_closure *closure, ffi_cif* cif,
+                     void (*fun)(ffi_cif*,void*,void**,void*))
+{
+  void (*start)(void);
+
+  if (cif->abi != FFI_SYSV)
+    return FFI_BAD_ABI;
+
+  if (cif->flags & AARCH64_FLAG_ARG_V)
+    start = ffi_go_closure_SYSV_V;
+  else
+    start = ffi_go_closure_SYSV;
+
+  closure->tramp = start;
+  closure->cif = cif;
+  closure->fun = fun;
+
+  return FFI_OK;
+}
+#endif /* FFI_GO_CLOSURES */
+
+/* Primary handler to setup and invoke a function within a closure.
+
+   A closure when invoked enters via the assembler wrapper
+   ffi_closure_SYSV(). The wrapper allocates a call context on the
+   stack, saves the interesting registers (from the perspective of
+   the calling convention) into the context then passes control to
+   ffi_closure_SYSV_inner() passing the saved context and a pointer to
+   the stack at the point ffi_closure_SYSV() was invoked.
+
+   On the return path the assembler wrapper will reload call context
+   registers.
+
+   ffi_closure_SYSV_inner() marshalls the call context into ffi value
+   descriptors, invokes the wrapped function, then marshalls the return
+   value back into the call context.  */
+
+int FFI_HIDDEN
+ffi_closure_SYSV_inner (ffi_cif *cif,
+			void (*fun)(ffi_cif*,void*,void**,void*),
+			void *user_data,
+			struct call_context *context,
+			void *stack, void *rvalue, void *struct_rvalue)
+{
+  void **avalue = (void**) alloca (cif->nargs * sizeof (void*));
+  int i, h, nargs, flags;
+  struct arg_state state;
+
+  arg_init (&state);
+
+  for (i = 0, nargs = cif->nargs; i < nargs; i++)
+    {
+      ffi_type *ty = cif->arg_types[i];
+      int t = ty->type;
+      size_t n, s = ty->size;
+
+      switch (t)
+	{
+	case FFI_TYPE_VOID:
+	  FFI_ASSERT (0);
+	  break;
+
+	case FFI_TYPE_INT:
+	case FFI_TYPE_UINT8:
+	case FFI_TYPE_SINT8:
+	case FFI_TYPE_UINT16:
+	case FFI_TYPE_SINT16:
+	case FFI_TYPE_UINT32:
+	case FFI_TYPE_SINT32:
+	case FFI_TYPE_UINT64:
+	case FFI_TYPE_SINT64:
+	case FFI_TYPE_POINTER:
+	  avalue[i] = allocate_int_to_reg_or_stack (context, &state, stack, s);
+	  break;
+
+	case FFI_TYPE_FLOAT:
+	case FFI_TYPE_DOUBLE:
+	case FFI_TYPE_LONGDOUBLE:
+	case FFI_TYPE_STRUCT:
+	case FFI_TYPE_COMPLEX:
+	  h = is_vfp_type (ty);
+	  if (h)
+	    {
+	      n = 4 - (h & 3);
+#ifdef _M_ARM64  /* for handling armasm calling convention */
+              if (cif->is_variadic)
+                {
+                  if (state.ngrn + n <= N_X_ARG_REG)
+                    {
+                      void *reg = &context->x[state.ngrn];
+                      state.ngrn += (unsigned int)n;
+    
+                      /* Eeek! We need a pointer to the structure, however the
+                       homogeneous float elements are being passed in individual
+                       registers, therefore for float and double the structure
+                       is not represented as a contiguous sequence of bytes in
+                       our saved register context.  We don't need the original
+                       contents of the register storage, so we reformat the
+                       structure into the same memory.  */
+                      avalue[i] = compress_hfa_type(reg, reg, h);
+                    }
+                  else
+                    {
+                      state.ngrn = N_X_ARG_REG;
+                      state.nsrn = N_V_ARG_REG;
+                      avalue[i] = allocate_to_stack(&state, stack,
+                             ty->alignment, s);
+                    }
+                }
+              else
+                {
+#endif  /* for handling armasm calling convention */
+                  if (state.nsrn + n <= N_V_ARG_REG)
+                    {
+                      void *reg = &context->v[state.nsrn];
+                      state.nsrn += (unsigned int)n;
+                      avalue[i] = compress_hfa_type(reg, reg, h);
+                    }
+                  else
+                    {
+                      state.nsrn = N_V_ARG_REG;
+                      avalue[i] = allocate_to_stack(&state, stack,
+                                                   ty->alignment, s);
+                    }
+#ifdef _M_ARM64  /* for handling armasm calling convention */
+                }
+#endif  /* for handling armasm calling convention */
+            }
+          else if (s > 16)
+            {
+              /* Replace Composite type of size greater than 16 with a
+                  pointer.  */
+              avalue[i] = *(void **)
+              allocate_int_to_reg_or_stack (context, &state, stack,
+                                         sizeof (void *));
+            }
+          else
+            {
+              n = (s + 7) / 8;
+              if (state.ngrn + n <= N_X_ARG_REG)
+                {
+                  avalue[i] = &context->x[state.ngrn];
+                  state.ngrn += (unsigned int)n;
+                }
+              else
+                {
+                  state.ngrn = N_X_ARG_REG;
+                  avalue[i] = allocate_to_stack(&state, stack,
+                                           ty->alignment, s);
+                }
+            }
+          break;
+
+        default:
+          abort();
+      }
+
+#if defined (__APPLE__)
+      if (i + 1 == cif->aarch64_nfixedargs)
+	{
+	  state.ngrn = N_X_ARG_REG;
+	  state.nsrn = N_V_ARG_REG;
+	  state.allocating_variadic = 1;
+	}
+#endif
+    }
+
+  flags = cif->flags;
+  if (flags & AARCH64_RET_IN_MEM)
+    rvalue = struct_rvalue;
+
+  fun (cif, rvalue, avalue, user_data);
+
+  return flags;
+}
+
+#endif /* (__aarch64__) || defined(__arm64__)|| defined (_M_ARM64)*/
diff --git a/contrib/restricted/libffi/src/aarch64/internal.h b/contrib/restricted/libffi/src/aarch64/internal.h
new file mode 100644
index 0000000000..9c3e07725a
--- /dev/null
+++ b/contrib/restricted/libffi/src/aarch64/internal.h
@@ -0,0 +1,67 @@
+/* 
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+``Software''), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
+
+#define AARCH64_RET_VOID	0
+#define AARCH64_RET_INT64	1
+#define AARCH64_RET_INT128	2
+
+#define AARCH64_RET_UNUSED3	3
+#define AARCH64_RET_UNUSED4	4
+#define AARCH64_RET_UNUSED5	5
+#define AARCH64_RET_UNUSED6	6
+#define AARCH64_RET_UNUSED7	7
+
+/* Note that FFI_TYPE_FLOAT == 2, _DOUBLE == 3, _LONGDOUBLE == 4,
+   so _S4 through _Q1 are layed out as (TYPE * 4) + (4 - COUNT).  */
+#define AARCH64_RET_S4		8
+#define AARCH64_RET_S3		9
+#define AARCH64_RET_S2		10
+#define AARCH64_RET_S1		11
+
+#define AARCH64_RET_D4		12
+#define AARCH64_RET_D3		13
+#define AARCH64_RET_D2		14
+#define AARCH64_RET_D1		15
+
+#define AARCH64_RET_Q4		16
+#define AARCH64_RET_Q3		17
+#define AARCH64_RET_Q2		18
+#define AARCH64_RET_Q1		19
+
+/* Note that each of the sub-64-bit integers gets two entries.  */
+#define AARCH64_RET_UINT8	20
+#define AARCH64_RET_UINT16	22
+#define AARCH64_RET_UINT32	24
+
+#define AARCH64_RET_SINT8	26
+#define AARCH64_RET_SINT16	28
+#define AARCH64_RET_SINT32	30
+
+#define AARCH64_RET_MASK	31
+
+#define AARCH64_RET_IN_MEM	(1 << 5)
+#define AARCH64_RET_NEED_COPY	(1 << 6)
+
+#define AARCH64_FLAG_ARG_V_BIT	7
+#define AARCH64_FLAG_ARG_V	(1 << AARCH64_FLAG_ARG_V_BIT)
+
+#define N_X_ARG_REG		8
+#define N_V_ARG_REG		8
+#define CALL_CONTEXT_SIZE	(N_V_ARG_REG * 16 + N_X_ARG_REG * 8)
diff --git a/contrib/restricted/libffi/src/aarch64/sysv.S b/contrib/restricted/libffi/src/aarch64/sysv.S
new file mode 100644
index 0000000000..6761ee1ea9
--- /dev/null
+++ b/contrib/restricted/libffi/src/aarch64/sysv.S
@@ -0,0 +1,440 @@
+/* Copyright (c) 2009, 2010, 2011, 2012 ARM Ltd.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+``Software''), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
+
+#if defined(__aarch64__) || defined(__arm64__)
+#define LIBFFI_ASM
+#include <fficonfig.h>
+#include <ffi.h>
+#include <ffi_cfi.h>
+#include "internal.h"
+
+#ifdef HAVE_MACHINE_ASM_H
+#include <machine/asm.h>
+#else
+#ifdef __USER_LABEL_PREFIX__
+#define CONCAT1(a, b) CONCAT2(a, b)
+#define CONCAT2(a, b) a ## b
+
+/* Use the right prefix for global labels.  */
+#define CNAME(x) CONCAT1 (__USER_LABEL_PREFIX__, x)
+#else
+#define CNAME(x) x
+#endif
+#endif
+
+#ifdef __AARCH64EB__
+# define BE(X)	X
+#else
+# define BE(X)	0
+#endif
+
+#ifdef __ILP32__
+#define PTR_REG(n)      w##n
+#else
+#define PTR_REG(n)      x##n
+#endif
+
+#ifdef __ILP32__
+#define PTR_SIZE	4
+#else
+#define PTR_SIZE	8
+#endif
+
+	.text
+	.align 4
+
+/* ffi_call_SYSV
+   extern void ffi_call_SYSV (void *stack, void *frame,
+			      void (*fn)(void), void *rvalue,
+			      int flags, void *closure);
+
+   Therefore on entry we have:
+
+   x0 stack
+   x1 frame
+   x2 fn
+   x3 rvalue
+   x4 flags
+   x5 closure
+*/
+
+	cfi_startproc
+CNAME(ffi_call_SYSV):
+	/* Use a stack frame allocated by our caller.  */
+	cfi_def_cfa(x1, 32);
+	stp	x29, x30, [x1]
+	mov	x29, x1
+	mov	sp, x0
+	cfi_def_cfa_register(x29)
+	cfi_rel_offset (x29, 0)
+	cfi_rel_offset (x30, 8)
+
+	mov	x9, x2			/* save fn */
+	mov	x8, x3			/* install structure return */
+#ifdef FFI_GO_CLOSURES
+	mov	x18, x5			/* install static chain */
+#endif
+	stp	x3, x4, [x29, #16]	/* save rvalue and flags */
+
+	/* Load the vector argument passing registers, if necessary.  */
+	tbz	w4, #AARCH64_FLAG_ARG_V_BIT, 1f
+	ldp     q0, q1, [sp, #0]
+	ldp     q2, q3, [sp, #32]
+	ldp     q4, q5, [sp, #64]
+	ldp     q6, q7, [sp, #96]
+1:
+	/* Load the core argument passing registers, including
+	   the structure return pointer.  */
+	ldp     x0, x1, [sp, #16*N_V_ARG_REG + 0]
+	ldp     x2, x3, [sp, #16*N_V_ARG_REG + 16]
+	ldp     x4, x5, [sp, #16*N_V_ARG_REG + 32]
+	ldp     x6, x7, [sp, #16*N_V_ARG_REG + 48]
+
+	/* Deallocate the context, leaving the stacked arguments.  */
+	add	sp, sp, #CALL_CONTEXT_SIZE
+
+	blr     x9			/* call fn */
+
+	ldp	x3, x4, [x29, #16]	/* reload rvalue and flags */
+
+	/* Partially deconstruct the stack frame.  */
+	mov     sp, x29
+	cfi_def_cfa_register (sp)
+	ldp     x29, x30, [x29]
+
+	/* Save the return value as directed.  */
+	adr	x5, 0f
+	and	w4, w4, #AARCH64_RET_MASK
+	add	x5, x5, x4, lsl #3
+	br	x5
+
+	/* Note that each table entry is 2 insns, and thus 8 bytes.
+	   For integer data, note that we're storing into ffi_arg
+	   and therefore we want to extend to 64 bits; these types
+	   have two consecutive entries allocated for them.  */
+	.align	4
+0:	ret				/* VOID */
+	nop
+1:	str	x0, [x3]		/* INT64 */
+	ret
+2:	stp	x0, x1, [x3]		/* INT128 */
+	ret
+3:	brk	#1000			/* UNUSED */
+	ret
+4:	brk	#1000			/* UNUSED */
+	ret
+5:	brk	#1000			/* UNUSED */
+	ret
+6:	brk	#1000			/* UNUSED */
+	ret
+7:	brk	#1000			/* UNUSED */
+	ret
+8:	st4	{ v0.s, v1.s, v2.s, v3.s }[0], [x3]	/* S4 */
+	ret
+9:	st3	{ v0.s, v1.s, v2.s }[0], [x3]	/* S3 */
+	ret
+10:	stp	s0, s1, [x3]		/* S2 */
+	ret
+11:	str	s0, [x3]		/* S1 */
+	ret
+12:	st4	{ v0.d, v1.d, v2.d, v3.d }[0], [x3]	/* D4 */
+	ret
+13:	st3	{ v0.d, v1.d, v2.d }[0], [x3]	/* D3 */
+	ret
+14:	stp	d0, d1, [x3]		/* D2 */
+	ret
+15:	str	d0, [x3]		/* D1 */
+	ret
+16:	str	q3, [x3, #48]		/* Q4 */
+	nop
+17:	str	q2, [x3, #32]		/* Q3 */
+	nop
+18:	stp	q0, q1, [x3]		/* Q2 */
+	ret
+19:	str	q0, [x3]		/* Q1 */
+	ret
+20:	uxtb	w0, w0			/* UINT8 */
+	str	x0, [x3]
+21:	ret				/* reserved */
+	nop
+22:	uxth	w0, w0			/* UINT16 */
+	str	x0, [x3]
+23:	ret				/* reserved */
+	nop
+24:	mov	w0, w0			/* UINT32 */
+	str	x0, [x3]
+25:	ret				/* reserved */
+	nop
+26:	sxtb	x0, w0			/* SINT8 */
+	str	x0, [x3]
+27:	ret				/* reserved */
+	nop
+28:	sxth	x0, w0			/* SINT16 */
+	str	x0, [x3]
+29:	ret				/* reserved */
+	nop
+30:	sxtw	x0, w0			/* SINT32 */
+	str	x0, [x3]
+31:	ret				/* reserved */
+	nop
+
+	cfi_endproc
+
+	.globl	CNAME(ffi_call_SYSV)
+	FFI_HIDDEN(CNAME(ffi_call_SYSV))
+#ifdef __ELF__
+	.type	CNAME(ffi_call_SYSV), #function
+	.size CNAME(ffi_call_SYSV), .-CNAME(ffi_call_SYSV)
+#endif
+
+/* ffi_closure_SYSV
+
+   Closure invocation glue. This is the low level code invoked directly by
+   the closure trampoline to setup and call a closure.
+
+   On entry x17 points to a struct ffi_closure, x16 has been clobbered
+   all other registers are preserved.
+
+   We allocate a call context and save the argument passing registers,
+   then invoked the generic C ffi_closure_SYSV_inner() function to do all
+   the real work, on return we load the result passing registers back from
+   the call context.
+*/
+
+#define ffi_closure_SYSV_FS (8*2 + CALL_CONTEXT_SIZE + 64)
+
+	.align 4
+CNAME(ffi_closure_SYSV_V):
+	cfi_startproc
+	stp     x29, x30, [sp, #-ffi_closure_SYSV_FS]!
+	cfi_adjust_cfa_offset (ffi_closure_SYSV_FS)
+	cfi_rel_offset (x29, 0)
+	cfi_rel_offset (x30, 8)
+
+	/* Save the argument passing vector registers.  */
+	stp     q0, q1, [sp, #16 + 0]
+	stp     q2, q3, [sp, #16 + 32]
+	stp     q4, q5, [sp, #16 + 64]
+	stp     q6, q7, [sp, #16 + 96]
+	b	0f
+	cfi_endproc
+
+	.globl	CNAME(ffi_closure_SYSV_V)
+	FFI_HIDDEN(CNAME(ffi_closure_SYSV_V))
+#ifdef __ELF__
+	.type	CNAME(ffi_closure_SYSV_V), #function
+	.size	CNAME(ffi_closure_SYSV_V), . - CNAME(ffi_closure_SYSV_V)
+#endif
+
+	.align	4
+	cfi_startproc
+CNAME(ffi_closure_SYSV):
+	stp     x29, x30, [sp, #-ffi_closure_SYSV_FS]!
+	cfi_adjust_cfa_offset (ffi_closure_SYSV_FS)
+	cfi_rel_offset (x29, 0)
+	cfi_rel_offset (x30, 8)
+0:
+	mov     x29, sp
+
+	/* Save the argument passing core registers.  */
+	stp     x0, x1, [sp, #16 + 16*N_V_ARG_REG + 0]
+	stp     x2, x3, [sp, #16 + 16*N_V_ARG_REG + 16]
+	stp     x4, x5, [sp, #16 + 16*N_V_ARG_REG + 32]
+	stp     x6, x7, [sp, #16 + 16*N_V_ARG_REG + 48]
+
+	/* Load ffi_closure_inner arguments.  */
+	ldp	PTR_REG(0), PTR_REG(1), [x17, #FFI_TRAMPOLINE_CLOSURE_OFFSET]	/* load cif, fn */
+	ldr	PTR_REG(2), [x17, #FFI_TRAMPOLINE_CLOSURE_OFFSET+PTR_SIZE*2]	/* load user_data */
+.Ldo_closure:
+	add	x3, sp, #16				/* load context */
+	add	x4, sp, #ffi_closure_SYSV_FS		/* load stack */
+	add	x5, sp, #16+CALL_CONTEXT_SIZE		/* load rvalue */
+	mov	x6, x8					/* load struct_rval */
+	bl      CNAME(ffi_closure_SYSV_inner)
+
+	/* Load the return value as directed.  */
+	adr	x1, 0f
+	and	w0, w0, #AARCH64_RET_MASK
+	add	x1, x1, x0, lsl #3
+	add	x3, sp, #16+CALL_CONTEXT_SIZE
+	br	x1
+
+	/* Note that each table entry is 2 insns, and thus 8 bytes.  */
+	.align	4
+0:	b	99f			/* VOID */
+	nop
+1:	ldr	x0, [x3]		/* INT64 */
+	b	99f
+2:	ldp	x0, x1, [x3]		/* INT128 */
+	b	99f
+3:	brk	#1000			/* UNUSED */
+	nop
+4:	brk	#1000			/* UNUSED */
+	nop
+5:	brk	#1000			/* UNUSED */
+	nop
+6:	brk	#1000			/* UNUSED */
+	nop
+7:	brk	#1000			/* UNUSED */
+	nop
+8:	ldr	s3, [x3, #12]		/* S4 */
+	nop
+9:	ldr	s2, [x3, #8]		/* S3 */
+	nop
+10:	ldp	s0, s1, [x3]		/* S2 */
+	b	99f
+11:	ldr	s0, [x3]		/* S1 */
+	b	99f
+12:	ldr	d3, [x3, #24]		/* D4 */
+	nop
+13:	ldr	d2, [x3, #16]		/* D3 */
+	nop
+14:	ldp	d0, d1, [x3]		/* D2 */
+	b	99f
+15:	ldr	d0, [x3]		/* D1 */
+	b	99f
+16:	ldr	q3, [x3, #48]		/* Q4 */
+	nop
+17:	ldr	q2, [x3, #32]		/* Q3 */
+	nop
+18:	ldp	q0, q1, [x3]		/* Q2 */
+	b	99f
+19:	ldr	q0, [x3]		/* Q1 */
+	b	99f
+20:	ldrb	w0, [x3, #BE(7)]	/* UINT8 */
+	b	99f
+21:	brk	#1000			/* reserved */
+	nop
+22:	ldrh	w0, [x3, #BE(6)]	/* UINT16 */
+	b	99f
+23:	brk	#1000			/* reserved */
+	nop
+24:	ldr	w0, [x3, #BE(4)]	/* UINT32 */
+	b	99f
+25:	brk	#1000			/* reserved */
+	nop
+26:	ldrsb	x0, [x3, #BE(7)]	/* SINT8 */
+	b	99f
+27:	brk	#1000			/* reserved */
+	nop
+28:	ldrsh	x0, [x3, #BE(6)]	/* SINT16 */
+	b	99f
+29:	brk	#1000			/* reserved */
+	nop
+30:	ldrsw	x0, [x3, #BE(4)]	/* SINT32 */
+	nop
+31:					/* reserved */
+99:	ldp     x29, x30, [sp], #ffi_closure_SYSV_FS
+	cfi_adjust_cfa_offset (-ffi_closure_SYSV_FS)
+	cfi_restore (x29)
+	cfi_restore (x30)
+	ret
+	cfi_endproc
+
+	.globl	CNAME(ffi_closure_SYSV)
+	FFI_HIDDEN(CNAME(ffi_closure_SYSV))
+#ifdef __ELF__
+	.type	CNAME(ffi_closure_SYSV), #function
+	.size	CNAME(ffi_closure_SYSV), . - CNAME(ffi_closure_SYSV)
+#endif
+
+#if FFI_EXEC_TRAMPOLINE_TABLE
+
+#ifdef __MACH__
+#include <mach/machine/vm_param.h>
+    .align PAGE_MAX_SHIFT
+CNAME(ffi_closure_trampoline_table_page):
+    .rept PAGE_MAX_SIZE / FFI_TRAMPOLINE_SIZE
+    adr x16, -PAGE_MAX_SIZE
+    ldp x17, x16, [x16]
+    br x16
+	nop		/* each entry in the trampoline config page is 2*sizeof(void*) so the trampoline itself cannot be smaller that 16 bytes */
+    .endr
+
+    .globl CNAME(ffi_closure_trampoline_table_page)
+    FFI_HIDDEN(CNAME(ffi_closure_trampoline_table_page))
+    #ifdef __ELF__
+    	.type	CNAME(ffi_closure_trampoline_table_page), #function
+    	.size	CNAME(ffi_closure_trampoline_table_page), . - CNAME(ffi_closure_trampoline_table_page)
+    #endif
+#endif
+
+#endif /* FFI_EXEC_TRAMPOLINE_TABLE */
+
+#ifdef FFI_GO_CLOSURES
+	.align 4
+CNAME(ffi_go_closure_SYSV_V):
+	cfi_startproc
+	stp     x29, x30, [sp, #-ffi_closure_SYSV_FS]!
+	cfi_adjust_cfa_offset (ffi_closure_SYSV_FS)
+	cfi_rel_offset (x29, 0)
+	cfi_rel_offset (x30, 8)
+
+	/* Save the argument passing vector registers.  */
+	stp     q0, q1, [sp, #16 + 0]
+	stp     q2, q3, [sp, #16 + 32]
+	stp     q4, q5, [sp, #16 + 64]
+	stp     q6, q7, [sp, #16 + 96]
+	b	0f
+	cfi_endproc
+
+	.globl	CNAME(ffi_go_closure_SYSV_V)
+	FFI_HIDDEN(CNAME(ffi_go_closure_SYSV_V))
+#ifdef __ELF__
+	.type	CNAME(ffi_go_closure_SYSV_V), #function
+	.size	CNAME(ffi_go_closure_SYSV_V), . - CNAME(ffi_go_closure_SYSV_V)
+#endif
+
+	.align	4
+	cfi_startproc
+CNAME(ffi_go_closure_SYSV):
+	stp     x29, x30, [sp, #-ffi_closure_SYSV_FS]!
+	cfi_adjust_cfa_offset (ffi_closure_SYSV_FS)
+	cfi_rel_offset (x29, 0)
+	cfi_rel_offset (x30, 8)
+0:
+	mov     x29, sp
+
+	/* Save the argument passing core registers.  */
+	stp     x0, x1, [sp, #16 + 16*N_V_ARG_REG + 0]
+	stp     x2, x3, [sp, #16 + 16*N_V_ARG_REG + 16]
+	stp     x4, x5, [sp, #16 + 16*N_V_ARG_REG + 32]
+	stp     x6, x7, [sp, #16 + 16*N_V_ARG_REG + 48]
+
+	/* Load ffi_closure_inner arguments.  */
+	ldp	PTR_REG(0), PTR_REG(1), [x18, #PTR_SIZE]/* load cif, fn */
+	mov	x2, x18					/* load user_data */
+	b	.Ldo_closure
+	cfi_endproc
+
+	.globl	CNAME(ffi_go_closure_SYSV)
+	FFI_HIDDEN(CNAME(ffi_go_closure_SYSV))
+#ifdef __ELF__
+	.type	CNAME(ffi_go_closure_SYSV), #function
+	.size	CNAME(ffi_go_closure_SYSV), . - CNAME(ffi_go_closure_SYSV)
+#endif
+#endif /* FFI_GO_CLOSURES */
+#endif /* __arm64__ */
+
+#if defined __ELF__ && defined __linux__
+	.section .note.GNU-stack,"",%progbits
+#endif
+