diff --git a/.appveyor.yml b/.appveyor.yml
index 5a4f096038..3c021a8c15 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -8,9 +8,11 @@ shallow_clone: true
 #  32- and 64-bit clang/mingw
 #  and perhaps more.
 
-image: Visual Studio 2013
+image: Visual Studio 2017
 platform:
   - x64
+  - x86
+  - arm
 
 environment:
   global:
@@ -18,30 +20,42 @@ environment:
     CYG_CACHE: C:/cygwin/var/cache/setup
     CYG_MIRROR: http://mirrors.kernel.org/sourceware/cygwin/
   matrix:
-    - VSVER: 12
+    - VSVER: 15
 
 install:
   - ps: >-
       If ($env:Platform -Match "x86") {
           $env:VCVARS_PLATFORM="x86"
-          $env:BUILD="x86-pc-cygwin"
-          $env:HOST="x86-pc-windows"
+          $env:BUILD="i686-pc-cygwin"
+          $env:HOST="i686-pc-cygwin"
+          $env:MSVCC="/cygdrive/c/projects/libffi/msvcc.sh"
+          $env:SRC_ARCHITECTURE="x86"
+        } ElseIf ($env:Platform -Match "arm") {
+          $env:VCVARS_PLATFORM="x86_arm"
+          $env:BUILD="i686-pc-cygwin"
+          $env:HOST="arm-w32-cygwin"
+          $env:MSVCC="/cygdrive/c/projects/libffi/msvcc.sh -marm"
+          $env:SRC_ARCHITECTURE="arm"
         } Else {
           $env:VCVARS_PLATFORM="amd64"
           $env:BUILD="x86_64-w64-cygwin"
           $env:HOST="x86_64-w64-cygwin"
+          $env:ASSEMBLER="/cygdrive/c/projects/libffi/msvcc.sh -m64"
+          $env:SRC_ARCHITECTURE="x86"
       }
   - 'appveyor DownloadFile https://cygwin.com/setup-x86.exe -FileName setup.exe'
   - 'setup.exe -qnNdO -R "%CYG_ROOT%" -s "%CYG_MIRROR%" -l "%CYG_CACHE%" -P dejagnu >NUL'
   - '%CYG_ROOT%/bin/bash -lc "cygcheck -dc cygwin"'
+  - echo call VsDevCmd to set VS150COMNTOOLS
+  - call "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\Common7\Tools\VsDevCmd.bat"
   - ps: $env:VSCOMNTOOLS=(Get-Content ("env:VS" + "$env:VSVER" + "0COMNTOOLS"))
   - echo "Using Visual Studio %VSVER%.0 at %VSCOMNTOOLS%"
-  - call "%VSCOMNTOOLS%\..\..\VC\vcvarsall.bat" %VCVARS_PLATFORM%
+  - call "%VSCOMNTOOLS%..\..\vc\Auxiliary\Build\vcvarsall.bat" %VCVARS_PLATFORM%
 
 build_script:
   - c:\cygwin\bin\sh -lc "(cd $OLDPWD; ./autogen.sh;)"
-  - c:\cygwin\bin\sh -lc "(cd $OLDPWD; ./configure CC='/cygdrive/c/projects/libffi/msvcc.sh -m64' CXX='/cygdrive/c/projects/libffi/msvcc.sh -m64' LD='link' CPP='cl -nologo -EP' CXXCPP='cl -nologo -EP' CPPFLAGS='-DFFI_BUILDING_DLL' AR='/cygdrive/c/projects/libffi/.travis/ar-lib lib' NM='dumpbin -symbols' STRIP=':' --build=$BUILD --host=$HOST;)"
-  - c:\cygwin\bin\sh -lc "(cd $OLDPWD; cp src/x86/ffitarget.h include; make; find .;)"
+  - c:\cygwin\bin\sh -lc "(cd $OLDPWD; ./configure CC='%MSVCC%' CXX='%MSVCC%' LD='link' CPP='cl -nologo -EP' CXXCPP='cl -nologo -EP' CPPFLAGS='-DFFI_BUILDING_DLL' AR='/cygdrive/c/projects/libffi/.travis/ar-lib lib' NM='dumpbin -symbols' STRIP=':' --build=$BUILD --host=$HOST;)"
+  - c:\cygwin\bin\sh -lc "(cd $OLDPWD; cp src/%SRC_ARCHITECTURE%/ffitarget.h include; make; find .;)"
   - c:\cygwin\bin\sh -lc "(cd $OLDPWD; cp `find . -name 'libffi-?.dll'` $HOST/testsuite/; make check; cat `find ./ -name libffi.log`)"
 
 # FIXME: "make check" currently fails.  It just looks like msvcc needs
diff --git a/.gitignore b/.gitignore
index 7e64774817..f494c024c9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -38,4 +38,5 @@ src/arm/trampoline.S
 **/texinfo.tex
 
 x86_64-w64-cygwin
-i686-pc-cygwin
\ No newline at end of file
+i686-pc-cygwin
+arm-w32-cygwin
\ No newline at end of file
diff --git a/Makefile.am b/Makefile.am
index 27a11b26e1..b74b73bbb1 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -82,6 +82,7 @@ EXTRA_libffi_la_SOURCES = \
 	src/alpha/ffi.c src/alpha/osf.S					\
 	src/arc/ffi.c src/arc/arcompact.S				\
 	src/arm/ffi.c src/arm/sysv.S					\
+	src/arm/ffi.c src/arm/sysv_msvc_arm32.S			\
 	src/avr32/ffi.c src/avr32/sysv.S				\
 	src/bfin/ffi.c src/bfin/sysv.S					\
 	src/cris/ffi.c src/cris/sysv.S					\
diff --git a/README.md b/README.md
index 3caf2fa1a4..f3849e9866 100644
--- a/README.md
+++ b/README.md
@@ -56,6 +56,7 @@ tested:
 | ARC             | Linux            | GCC                     |
 | ARM             | Linux            | GCC                     |
 | ARM             | iOS              | GCC                     |
+| ARM             | Windows          | MSVC                    |
 | AVR32           | Linux            | GCC                     |
 | Blackfin        | uClinux          | GCC                     |
 | HPPA            | HPUX             | GCC                     |
@@ -190,13 +191,16 @@ History
 
 See the git log for details at http://github.com/libffi/libffi.
 
-    3.3 TBD
+    3.4 TBD
         Add RISC-V support.
         New API in support of GO closures.
         Default to Microsoft's 64 bit long double ABI with Visual C++.
           GNU compiler uses 80 bits (128 in memory) FFI_GNUW64 ABI.
 	Many new tests cases and bug fixes.
     
+    3.3 Mar-05-19
+        Add Windows 32-bit arm support.
+        
     3.2.1 Nov-12-14
         Build fix for non-iOS AArch64 targets.
     
diff --git a/configure.host b/configure.host
index 64addf2519..8181a61184 100644
--- a/configure.host
+++ b/configure.host
@@ -23,6 +23,11 @@ case "${host}" in
 	SOURCES="ffi.c arcompact.S"
 	;;
 
+  arm*-*-cygwin* | arm*-*-mingw* | arm*-*-win* )
+	TARGET=ARM_WIN32; TARGETDIR=arm
+	MSVC=1
+	;;
+
   arm*-*-*)
 	TARGET=ARM; TARGETDIR=arm
 	SOURCES="ffi.c sysv.S"
@@ -242,6 +247,9 @@ esac
 
 # ... but some of the cases above share configury.
 case "${TARGET}" in
+  ARM_WIN32)
+	SOURCES="ffi.c sysv_msvc_arm32.S"
+	;;
   MIPS)
 	SOURCES="ffi.c o32.S n32.S"
 	;;
diff --git a/include/x64/ffi.h b/include/x64/ffi.h
deleted file mode 100644
index 856996cb44..0000000000
--- a/include/x64/ffi.h
+++ /dev/null
@@ -1,511 +0,0 @@
-/* -----------------------------------------------------------------*-C-*-
-   libffi 3.3-rc0 - Copyright (c) 2011, 2014 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 X86_WIN64
-#define X86_WIN64
-#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 0
-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 0
-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.  */
-
-FFI_API
-void ffi_java_raw_call (ffi_cif *cif,
-			void (*fn)(void),
-			void *rvalue,
-			ffi_java_raw *avalue);
-
-FFI_API
-void ffi_java_ptrarray_to_raw (ffi_cif *cif, void **args, ffi_java_raw *raw);
-FFI_API
-void ffi_java_raw_to_ptrarray (ffi_cif *cif, ffi_java_raw *raw, void **args);
-FFI_API
-size_t ffi_java_raw_size (ffi_cif *cif);
-
-/* ---- 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);
-
-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);
-
-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);
-
-#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 0
-#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/include/x64/fficonfig.h b/include/x64/fficonfig.h
deleted file mode 100644
index a6780c9c2e..0000000000
--- a/include/x64/fficonfig.h
+++ /dev/null
@@ -1,215 +0,0 @@
-/* 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. */
-/* #undef EH_FRAME_FLAGS */
-
-/* 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 */
-/* #undef FFI_MMAP_EXEC_EMUTRAMP_PAX */
-
-/* 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).
-   */
-/* #undef HAVE_ALLOCA_H */
-
-/* Define if your assembler supports .cfi_* directives. */
-/* #undef HAVE_AS_CFI_PSEUDO_OP */
-
-/* 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. */
-#define HAVE_AS_X86_PCREL 1
-
-/* Define to 1 if you have the <dlfcn.h> header file. */
-/* #undef HAVE_DLFCN_H */
-
-/* Define if __attribute__((visibility("hidden"))) is supported. */
-/* #undef HAVE_HIDDEN_VISIBILITY_ATTRIBUTE */
-
-/* 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 */
-/* #undef HAVE_LONG_DOUBLE */
-
-/* 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. */
-/* #undef HAVE_MEMCPY */
-
-/* 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. */
-/* #undef HAVE_MKOSTEMP */
-
-/* Define to 1 if you have the `mmap' function. */
-/* #undef HAVE_MMAP */
-
-/* Define if mmap with MAP_ANON(YMOUS) works. */
-/* #undef HAVE_MMAP_ANON */
-
-/* Define if mmap of /dev/zero works. */
-/* #undef HAVE_MMAP_DEV_ZERO */
-
-/* Define if read-only mmap of a plain file works. */
-/* #undef HAVE_MMAP_FILE */
-
-/* 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. */
-/* #undef HAVE_STRINGS_H */
-
-/* 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. */
-/* #undef HAVE_SYS_MMAN_H */
-
-/* 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. */
-/* #undef HAVE_UNISTD_H */
-
-/* Define to 1 if GNU symbol versioning is used for libatomic. */
-/* #undef LIBFFI_GNU_SYMBOL_VERSIONING */
-
-/* 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-rc0"
-
-/* 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-rc0"
-
-/* 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 8
-
-/* 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-rc0"
-
-/* 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/include/x86/ffi.h b/include/x86/ffi.h
deleted file mode 100644
index 6e96d3fffc..0000000000
--- a/include/x86/ffi.h
+++ /dev/null
@@ -1,511 +0,0 @@
-/* -----------------------------------------------------------------*-C-*-
-   libffi 3.3-rc0 - Copyright (c) 2011, 2014 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 X86_WIN32
-#define X86_WIN32
-#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 0
-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 0
-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.  */
-
-FFI_API
-void ffi_java_raw_call (ffi_cif *cif,
-			void (*fn)(void),
-			void *rvalue,
-			ffi_java_raw *avalue);
-
-FFI_API
-void ffi_java_ptrarray_to_raw (ffi_cif *cif, void **args, ffi_java_raw *raw);
-FFI_API
-void ffi_java_raw_to_ptrarray (ffi_cif *cif, ffi_java_raw *raw, void **args);
-FFI_API
-size_t ffi_java_raw_size (ffi_cif *cif);
-
-/* ---- 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);
-
-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);
-
-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);
-
-#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 0
-#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/include/x86/fficonfig.h b/include/x86/fficonfig.h
deleted file mode 100644
index bf8a7bb482..0000000000
--- a/include/x86/fficonfig.h
+++ /dev/null
@@ -1,215 +0,0 @@
-/* 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. */
-/* #undef EH_FRAME_FLAGS */
-
-/* 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 */
-/* #undef FFI_MMAP_EXEC_EMUTRAMP_PAX */
-
-/* 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).
-   */
-/* #undef HAVE_ALLOCA_H */
-
-/* Define if your assembler supports .cfi_* directives. */
-/* #undef HAVE_AS_CFI_PSEUDO_OP */
-
-/* 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. */
-#define HAVE_AS_X86_PCREL 1
-
-/* Define to 1 if you have the <dlfcn.h> header file. */
-/* #undef HAVE_DLFCN_H */
-
-/* Define if __attribute__((visibility("hidden"))) is supported. */
-/* #undef HAVE_HIDDEN_VISIBILITY_ATTRIBUTE */
-
-/* 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 */
-/* #undef HAVE_LONG_DOUBLE */
-
-/* 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. */
-/* #undef HAVE_MEMCPY */
-
-/* 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. */
-/* #undef HAVE_MKOSTEMP */
-
-/* Define to 1 if you have the `mmap' function. */
-/* #undef HAVE_MMAP */
-
-/* Define if mmap with MAP_ANON(YMOUS) works. */
-/* #undef HAVE_MMAP_ANON */
-
-/* Define if mmap of /dev/zero works. */
-/* #undef HAVE_MMAP_DEV_ZERO */
-
-/* Define if read-only mmap of a plain file works. */
-/* #undef HAVE_MMAP_FILE */
-
-/* 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. */
-/* #undef HAVE_STRINGS_H */
-
-/* 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. */
-/* #undef HAVE_SYS_MMAN_H */
-
-/* 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. */
-/* #undef HAVE_UNISTD_H */
-
-/* Define to 1 if GNU symbol versioning is used for libatomic. */
-/* #undef LIBFFI_GNU_SYMBOL_VERSIONING */
-
-/* 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-rc0"
-
-/* 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-rc0"
-
-/* 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 8
-
-/* The size of `size_t', as computed by sizeof. */
-#define SIZEOF_SIZE_T 4
-
-/* 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. */
-#define SYMBOL_UNDERSCORE 1
-
-/* Define this if you are using Purify and want to suppress spurious messages.
-   */
-/* #undef USING_PURIFY */
-
-/* Version number of package */
-#define VERSION "3.3-rc0"
-
-/* 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/msvcc.sh b/msvcc.sh
index 9a252f8ffc..9c52f527c1 100755
--- a/msvcc.sh
+++ b/msvcc.sh
@@ -60,7 +60,7 @@ do
   case $1
   in
     --verbose)
-      $verbose=1
+      verbose=1
       shift 1
     ;;
     --version)
@@ -80,6 +80,11 @@ do
       safeseh=
       shift 1
     ;;
+    -marm)
+      ml='armasm'
+      safeseh=
+      shift 1
+    ;;
     -clang-cl)
       cl="clang-cl"
       shift 1
@@ -237,6 +242,7 @@ do
       else
         output="-Fe$2"
       fi
+      armasm_output="-o $2"
       if [ -n "$assembly" ]; then
         args="$args $output"
       else
@@ -289,13 +295,21 @@ if [ -n "$assembly" ]; then
     fi
     ppsrc="$outdir/$(basename $src|sed 's/.S$/.asm/g')"
 
+    if [ $ml = "armasm" ]; then
+      defines="$defines -D_M_ARM"
+    fi
+
     if test -n "$verbose"; then
       echo "$cl -nologo -EP $includes $defines $src > $ppsrc"
     fi
 
     "$cl" -nologo -EP $includes $defines $src > $ppsrc || exit $?
     output="$(echo $output | sed 's%/F[dpa][^ ]*%%g')"
-    args="-nologo $safeseh $single $output $ppsrc"
+    if [ $ml = "armasm" ]; then
+      args="-nologo -g -oldit $armasm_output $ppsrc -errorReport:prompt"
+    else
+      args="-nologo $safeseh $single $output $ppsrc"
+    fi
 
     if test -n "$verbose"; then
       echo "$ml $args"
diff --git a/src/arm/ffi.c b/src/arm/ffi.c
index d838271093..4e270718a3 100644
--- a/src/arm/ffi.c
+++ b/src/arm/ffi.c
@@ -28,6 +28,7 @@
    DEALINGS IN THE SOFTWARE.
    ----------------------------------------------------------------------- */
 
+#if defined(__arm__) || defined(_M_ARM)
 #include <fficonfig.h>
 #include <ffi.h>
 #include <ffi_common.h>
@@ -35,6 +36,11 @@
 #include <stdlib.h>
 #include "internal.h"
 
+#if defined(_MSC_VER) && defined(_M_ARM)
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#endif
+
 #if FFI_EXEC_TRAMPOLINE_TABLE
 
 #ifdef __MACH__
@@ -42,7 +48,11 @@
 #endif
 
 #else
+#ifndef _M_ARM
 extern unsigned int ffi_arm_trampoline[2] FFI_HIDDEN;
+#else
+extern unsigned int ffi_arm_trampoline[3] FFI_HIDDEN;
+#endif
 #endif
 
 /* Forward declares. */
@@ -88,10 +98,20 @@ ffi_put_arg (ffi_type *ty, void *src, void *dst)
     case FFI_TYPE_SINT32:
     case FFI_TYPE_UINT32:
     case FFI_TYPE_POINTER:
+#ifndef _MSC_VER
     case FFI_TYPE_FLOAT:
+#endif
       *(UINT32 *)dst = *(UINT32 *)src;
       break;
 
+#ifdef _MSC_VER
+    // casting a float* to a UINT32* doesn't work on Windows
+    case FFI_TYPE_FLOAT:
+        *(uintptr_t *)dst = 0;
+        *(float *)dst = *(float *)src;
+        break;
+#endif
+
     case FFI_TYPE_SINT64:
     case FFI_TYPE_UINT64:
     case FFI_TYPE_DOUBLE:
@@ -210,7 +230,7 @@ ffi_prep_args_VFP (ffi_cif *cif, int flags, void *rvalue,
 }
 
 /* Perform machine dependent cif processing */
-ffi_status
+ffi_status FFI_HIDDEN
 ffi_prep_cif_machdep (ffi_cif *cif)
 {
   int flags = 0, cabi = cif->abi;
@@ -301,7 +321,7 @@ ffi_prep_cif_machdep (ffi_cif *cif)
 }
 
 /* Perform machine dependent cif processing for variadic calls */
-ffi_status
+ffi_status FFI_HIDDEN
 ffi_prep_cif_machdep_var (ffi_cif * cif,
 			  unsigned int nfixedargs, unsigned int ntotalargs)
 {
@@ -571,15 +591,28 @@ ffi_prep_closure_loc (ffi_closure * closure,
   config[0] = closure;
   config[1] = closure_func;
 #else
-  memcpy (closure->tramp, ffi_arm_trampoline, 8);
+
+#ifndef _M_ARM
+  memcpy(closure->tramp, ffi_arm_trampoline, 8);
+#else
+  // cast away function type so MSVC doesn't set the lower bit of the function pointer
+  memcpy(closure->tramp, (void*)((uintptr_t)ffi_arm_trampoline & 0xFFFFFFFE), FFI_TRAMPOLINE_CLOSURE_OFFSET);
+#endif
+
 #if defined (__QNX__)
   msync(closure->tramp, 8, 0x1000000);	/* clear data map */
   msync(codeloc, 8, 0x1000000);	/* clear insn map */
+#elif defined(_MSC_VER)
+  FlushInstructionCache(GetCurrentProcess(), closure->tramp, FFI_TRAMPOLINE_SIZE);
 #else
   __clear_cache(closure->tramp, closure->tramp + 8);	/* clear data map */
   __clear_cache(codeloc, codeloc + 8);			/* clear insn map */
 #endif
+#ifdef _M_ARM
+  *(void(**)(void))(closure->tramp + FFI_TRAMPOLINE_CLOSURE_FUNCTION) = closure_func;
+#else
   *(void (**)(void))(closure->tramp + 8) = closure_func;
+#endif
 #endif
 
   closure->cif = cif;
@@ -781,7 +814,7 @@ place_vfp_arg (ffi_cif *cif, int h)
 	}
       /* Found regs to allocate. */
       cif->vfp_used |= new_used;
-      cif->vfp_args[cif->vfp_nargs++] = reg;
+      cif->vfp_args[cif->vfp_nargs++] = (signed char)reg;
 
       /* Update vfp_reg_free. */
       if (cif->vfp_used & (1 << cif->vfp_reg_free))
@@ -803,7 +836,7 @@ place_vfp_arg (ffi_cif *cif, int h)
 static void
 layout_vfp_args (ffi_cif * cif)
 {
-  int i;
+  unsigned int i;
   /* Init VFP fields */
   cif->vfp_used = 0;
   cif->vfp_nargs = 0;
@@ -817,3 +850,5 @@ layout_vfp_args (ffi_cif * cif)
 	break;
     }
 }
+
+#endif /* __arm__ or _M_ARM */
diff --git a/src/arm/ffitarget.h b/src/arm/ffitarget.h
index 1cf1036407..cb57b84880 100644
--- a/src/arm/ffitarget.h
+++ b/src/arm/ffitarget.h
@@ -43,7 +43,7 @@ typedef enum ffi_abi {
   FFI_SYSV,
   FFI_VFP,
   FFI_LAST_ABI,
-#ifdef __ARM_PCS_VFP
+#if defined(__ARM_PCS_VFP) || defined(_M_ARM)
   FFI_DEFAULT_ABI = FFI_VFP,
 #else
   FFI_DEFAULT_ABI = FFI_SYSV,
@@ -57,7 +57,9 @@ typedef enum ffi_abi {
   signed char vfp_args[16]			\
 
 #define FFI_TARGET_SPECIFIC_VARIADIC
+#ifndef _M_ARM
 #define FFI_TARGET_HAS_COMPLEX_TYPE
+#endif
 
 /* ---- Definitions for closures ----------------------------------------- */
 
@@ -74,8 +76,13 @@ typedef enum ffi_abi {
 #error "No trampoline table implementation"
 #endif
 
+#else
+#ifdef _MSC_VER
+#define FFI_TRAMPOLINE_SIZE 16
+#define FFI_TRAMPOLINE_CLOSURE_FUNCTION 12
 #else
 #define FFI_TRAMPOLINE_SIZE 12
+#endif
 #define FFI_TRAMPOLINE_CLOSURE_OFFSET FFI_TRAMPOLINE_SIZE
 #endif
 
diff --git a/src/arm/sysv.S b/src/arm/sysv.S
index 7bda640e4e..63180a4639 100644
--- a/src/arm/sysv.S
+++ b/src/arm/sysv.S
@@ -25,6 +25,7 @@
    DEALINGS IN THE SOFTWARE.
    ----------------------------------------------------------------------- */
 
+#ifdef __arm__
 #define LIBFFI_ASM
 #include <fficonfig.h>
 #include <ffi.h>
@@ -377,6 +378,7 @@ ARM_FUNC_START(ffi_arm_trampoline)
 ARM_FUNC_END(ffi_arm_trampoline)
 
 #endif /* FFI_EXEC_TRAMPOLINE_TABLE */
+#endif /* __arm__ */
 
 #if defined __ELF__ && defined __linux__
 	.section	.note.GNU-stack,"",%progbits
diff --git a/src/arm/sysv_msvc_arm32.S b/src/arm/sysv_msvc_arm32.S
new file mode 100644
index 0000000000..5c99d0207a
--- /dev/null
+++ b/src/arm/sysv_msvc_arm32.S
@@ -0,0 +1,311 @@
+/* -----------------------------------------------------------------------
+   sysv.S - Copyright (c) 1998, 2008, 2011 Red Hat, Inc.
+        Copyright (c) 2011 Plausible Labs Cooperative, Inc.
+        Copyright (c) 2019 Microsoft Corporation.
+
+   ARM Foreign Function Interface
+
+   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 LIBFFI_ASM
+#include <fficonfig.h>
+#include <ffi.h>
+#include <ffi_cfi.h>
+#include "internal.h"
+#include "ksarm.h"
+
+
+        ; 8 byte aligned AREA to support 8 byte aligned jump tables
+        MACRO
+        NESTED_ENTRY_FFI $FuncName, $AreaName, $ExceptHandler
+
+        ; compute the function's labels
+        __DeriveFunctionLabels $FuncName
+
+        ; determine the area we will put the function into
+__FuncArea   SETS    "|.text|"
+        IF "$AreaName" != ""
+__FuncArea   SETS    "$AreaName"
+        ENDIF
+
+        ; set up the exception handler itself
+__FuncExceptionHandler SETS ""
+        IF "$ExceptHandler" != ""
+__FuncExceptionHandler SETS    "|$ExceptHandler|"
+        ENDIF
+
+        ; switch to the specified area, jump tables require 8 byte alignment
+        AREA    $__FuncArea,CODE,CODEALIGN,ALIGN=3,READONLY
+
+        ; export the function name
+        __ExportProc $FuncName
+
+        ; flush any pending literal pool stuff
+        ROUT
+
+        ; reset the state of the unwind code tracking
+        __ResetUnwindState
+
+        MEND
+
+;        MACRO
+;        TABLE_ENTRY $Type, $Table
+;$Type_$Table
+;        MEND
+
+#define E(index,table) return_##index##_##table
+
+    ; r0:   stack
+    ; r1:   frame
+    ; r2:   fn
+    ; r3:   vfp_used
+
+    ; fake entry point exists only to generate exists only to 
+    ; generate .pdata for exception unwinding
+    NESTED_ENTRY_FFI ffi_call_VFP_fake
+    PROLOG_PUSH  {r11, lr}          ; save fp and lr for unwind
+
+    ALTERNATE_ENTRY ffi_call_VFP
+    cmp    r3, #3                   ; load only d0 if possible
+    vldrle d0, [r0]
+    vldmgt r0, {d0-d7}
+    add    r0, r0, #64              ; discard the vfp register args
+    b ffi_call_SYSV
+    NESTED_END ffi_call_VFP_fake
+
+    ; fake entry point exists only to generate exists only to 
+    ; generate .pdata for exception unwinding
+    NESTED_ENTRY_FFI ffi_call_SYSV_fake
+    PROLOG_PUSH  {r11, lr}          ; save fp and lr for unwind
+
+    ALTERNATE_ENTRY ffi_call_SYSV
+    stm    r1, {fp, lr}
+    mov    fp, r1
+
+    mov    sp, r0                   ; install the stack pointer
+    mov    lr, r2                   ; move the fn pointer out of the way
+    ldr    ip, [fp, #16]            ; install the static chain
+    ldmia  sp!, {r0-r3}             ; move first 4 parameters in registers.
+    blx    lr                       ; call fn
+
+    ; Load r2 with the pointer to storage for the return value
+    ; Load r3 with the return type code
+    ldr    r2, [fp, #8]
+    ldr    r3, [fp, #12]
+
+    ; Deallocate the stack with the arguments.
+    mov    sp, fp
+
+    ; Store values stored in registers.
+    ALIGN 8
+    lsl     r3, #3
+    add     r3, r3, pc
+    add     r3, #8
+    mov     pc, r3
+
+
+E(ARM_TYPE_VFP_S, ffi_call)
+    ALIGN 8
+    vstr s0, [r2]
+    pop    {fp,pc}
+E(ARM_TYPE_VFP_D, ffi_call)
+    ALIGN 8
+    vstr d0, [r2]
+    pop    {fp,pc}
+E(ARM_TYPE_VFP_N, ffi_call)
+    ALIGN 8
+    vstm r2, {d0-d3}
+    pop    {fp,pc}
+E(ARM_TYPE_INT64, ffi_call)
+    ALIGN 8
+    str    r1, [r2, #4]
+    nop
+E(ARM_TYPE_INT, ffi_call)
+    ALIGN 8
+    str    r0, [r2]
+    pop    {fp,pc}
+E(ARM_TYPE_VOID, ffi_call)
+    ALIGN 8
+    pop    {fp,pc}
+    nop
+E(ARM_TYPE_STRUCT, ffi_call)
+    ALIGN 8
+    cmp r3, #ARM_TYPE_STRUCT
+    pop    {fp,pc}
+    NESTED_END ffi_call_SYSV_fake
+
+    IMPORT |ffi_closure_inner_SYSV|
+    /*
+    int ffi_closure_inner_SYSV
+    (
+        cif,        ; r0
+        fun,        ; r1
+        user_data,  ; r2
+        frame       ; r3
+    )
+    */
+
+    NESTED_ENTRY_FFI ffi_go_closure_SYSV
+    stmdb   sp!, {r0-r3}            ; save argument regs
+    ldr     r0, [ip, #4]            ; load cif
+    ldr     r1, [ip, #8]            ; load fun
+    mov     r2, ip                  ; load user_data
+    b       ffi_go_closure_SYSV_0
+    NESTED_END ffi_go_closure_SYSV
+
+    ; r3:    ffi_closure
+
+    ; fake entry point exists only to generate exists only to 
+    ; generate .pdata for exception unwinding
+    NESTED_ENTRY_FFI ffi_closure_SYSV_fake  
+    PROLOG_PUSH  {r11, lr}          ; save fp and lr for unwind
+    ALTERNATE_ENTRY ffi_closure_SYSV
+    ldmfd   sp!, {ip,r0}            ; restore fp (r0 is used for stack alignment)
+    stmdb   sp!, {r0-r3}            ; save argument regs
+
+    ldr     r0, [ip, #FFI_TRAMPOLINE_CLOSURE_OFFSET]    ; ffi_closure->cif
+    ldr     r1, [ip, #FFI_TRAMPOLINE_CLOSURE_OFFSET+4]  ; ffi_closure->fun
+    ldr     r2, [ip, #FFI_TRAMPOLINE_CLOSURE_OFFSET+8]  ; ffi_closure->user_data
+
+    ALTERNATE_ENTRY ffi_go_closure_SYSV_0
+    add     ip, sp, #16             ; compute entry sp
+
+    sub     sp, sp, #64+32          ; allocate frame parameter (sizeof(vfp_space) = 64, sizeof(result) = 32)
+    mov     r3, sp                  ; set frame parameter
+    stmdb   sp!, {ip,lr}
+
+    bl      ffi_closure_inner_SYSV  ; call the Python closure
+
+                                    ; Load values returned in registers.
+    add     r2, sp, #64+8           ; address of closure_frame->result
+    bl      ffi_closure_ret         ; move result to correct register or memory for type
+
+    ldmfd   sp!, {ip,lr}
+    mov     sp, ip                  ; restore stack pointer
+    mov     pc, lr
+    NESTED_END ffi_closure_SYSV_fake
+
+    IMPORT |ffi_closure_inner_VFP|
+    /*
+    int ffi_closure_inner_VFP
+    (
+        cif,        ; r0
+        fun,        ; r1
+        user_data,  ; r2
+        frame       ; r3
+    )
+    */
+
+    NESTED_ENTRY_FFI ffi_go_closure_VFP
+    stmdb   sp!, {r0-r3}			; save argument regs
+    ldr	r0, [ip, #4]			; load cif
+    ldr	r1, [ip, #8]			; load fun
+    mov	r2, ip				; load user_data
+    b	ffi_go_closure_VFP_0
+    NESTED_END ffi_go_closure_VFP
+
+    ; fake entry point exists only to generate exists only to 
+    ; generate .pdata for exception unwinding
+    ; r3:    closure
+    NESTED_ENTRY_FFI ffi_closure_VFP_fake
+    PROLOG_PUSH  {r11, lr}          ; save fp and lr for unwind
+
+    ALTERNATE_ENTRY ffi_closure_VFP
+    ldmfd   sp!, {ip,r0}            ; restore fp (r0 is used for stack alignment)
+    stmdb   sp!, {r0-r3}            ; save argument regs
+
+    ldr     r0, [ip, #FFI_TRAMPOLINE_CLOSURE_OFFSET]    ; load cif
+    ldr     r1, [ip, #FFI_TRAMPOLINE_CLOSURE_OFFSET+4]  ; load fun
+    ldr     r2, [ip, #FFI_TRAMPOLINE_CLOSURE_OFFSET+8]  ; load user_data
+
+    ALTERNATE_ENTRY ffi_go_closure_VFP_0
+    add     ip, sp, #16             ; compute entry sp
+    sub     sp, sp, #32             ; save space for closure_frame->result
+    vstmdb  sp!, {d0-d7}            ; push closure_frame->vfp_space
+
+    mov     r3, sp                  ; save closure_frame
+    stmdb   sp!, {ip,lr}
+
+    bl      ffi_closure_inner_VFP
+
+    ; Load values returned in registers.
+    add     r2, sp, #64+8           ; load result
+    bl      ffi_closure_ret
+    ldmfd   sp!, {ip,lr}
+    mov     sp, ip                  ; restore stack pointer
+    mov     pc, lr
+    NESTED_END ffi_closure_VFP_fake
+
+/* Load values returned in registers for both closure entry points.
+   Note that we use LDM with SP in the register set.  This is deprecated
+   by ARM, but not yet unpredictable.  */
+
+    NESTED_ENTRY_FFI ffi_closure_ret
+    stmdb sp!, {fp,lr}
+
+    ALIGN 8
+    lsl     r0, #3
+    add     r0, r0, pc
+    add     r0, #8
+    mov     pc, r0
+
+E(ARM_TYPE_VFP_S, ffi_closure)
+    ALIGN 8
+    vldr s0, [r2]
+    b call_epilogue
+E(ARM_TYPE_VFP_D, ffi_closure)
+    ALIGN 8
+    vldr d0, [r2]
+    b call_epilogue
+E(ARM_TYPE_VFP_N, ffi_closure)
+    ALIGN 8
+    vldm r2, {d0-d3}
+    b call_epilogue
+E(ARM_TYPE_INT64, ffi_closure)
+    ALIGN 8
+    ldr    r1, [r2, #4]
+    nop
+E(ARM_TYPE_INT, ffi_closure)
+    ALIGN 8
+    ldr    r0, [r2]
+    b call_epilogue
+E(ARM_TYPE_VOID, ffi_closure)
+    ALIGN 8
+    b call_epilogue
+    nop
+E(ARM_TYPE_STRUCT, ffi_closure)
+    ALIGN 8
+    b call_epilogue
+call_epilogue
+    ldmfd sp!, {fp,pc}
+    NESTED_END ffi_closure_ret
+
+    AREA |.trampoline|, DATA, THUMB, READONLY
+    EXPORT |ffi_arm_trampoline|
+|ffi_arm_trampoline| DATA
+thisproc    adr    ip, thisproc
+            stmdb  sp!, {ip, r0}
+            ldr    pc, [pc, #0]
+            DCD    0
+            ;ENDP
+
+    END
\ No newline at end of file