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-rw-r--r--lib/wrappers/libffi/msvc/ffi.c457
-rw-r--r--lib/wrappers/libffi/msvc/prep_cif.c175
-rw-r--r--lib/wrappers/libffi/msvc/types.c104
-rw-r--r--lib/wrappers/libffi/msvc/win32.c162
-rw-r--r--lib/wrappers/libffi/msvc/win32_asm.asm470
-rw-r--r--lib/wrappers/libffi/msvc/win64_asm.asm156
6 files changed, 0 insertions, 1524 deletions
diff --git a/lib/wrappers/libffi/msvc/ffi.c b/lib/wrappers/libffi/msvc/ffi.c
deleted file mode 100644
index 6e595e9fe..000000000
--- a/lib/wrappers/libffi/msvc/ffi.c
+++ /dev/null
@@ -1,457 +0,0 @@
-/* -----------------------------------------------------------------------
-   ffi.c - Copyright (c) 1996, 1998, 1999, 2001  Red Hat, Inc.
-           Copyright (c) 2002  Ranjit Mathew
-           Copyright (c) 2002  Bo Thorsen
-           Copyright (c) 2002  Roger Sayle
-   
-   x86 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 CYGNUS SOLUTIONS 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.
-   ----------------------------------------------------------------------- */
-
-#include <ffi.h>
-#include <ffi_common.h>
-
-#include <stdlib.h>
-
-/* ffi_prep_args is called by the assembly routine once stack space
-   has been allocated for the function's arguments */
-
-extern void Py_FatalError(const char *msg);
-
-/*@-exportheader@*/
-void ffi_prep_args(char *stack, extended_cif *ecif)
-/*@=exportheader@*/
-{
-  register unsigned int i;
-  register void **p_argv;
-  register char *argp;
-  register ffi_type **p_arg;
-
-  argp = stack;
-  if (ecif->cif->rtype->type == FFI_TYPE_STRUCT)
-    {
-      *(void **) argp = ecif->rvalue;
-      argp += sizeof(void *);
-    }
-
-  p_argv = ecif->avalue;
-
-  for (i = ecif->cif->nargs, p_arg = ecif->cif->arg_types;
-       i != 0;
-       i--, p_arg++)
-    {
-      size_t z;
-
-      /* Align if necessary */
-      if ((sizeof(void *) - 1) & (size_t) argp)
-	argp = (char *) ALIGN(argp, sizeof(void *));
-
-      z = (*p_arg)->size;
-      if (z < sizeof(int))
-	{
-	  z = sizeof(int);
-	  switch ((*p_arg)->type)
-	    {
-	    case FFI_TYPE_SINT8:
-	      *(signed int *) argp = (signed int)*(SINT8 *)(* p_argv);
-	      break;
-
-	    case FFI_TYPE_UINT8:
-	      *(unsigned int *) argp = (unsigned int)*(UINT8 *)(* p_argv);
-	      break;
-
-	    case FFI_TYPE_SINT16:
-	      *(signed int *) argp = (signed int)*(SINT16 *)(* p_argv);
-	      break;
-
-	    case FFI_TYPE_UINT16:
-	      *(unsigned int *) argp = (unsigned int)*(UINT16 *)(* p_argv);
-	      break;
-
-	    case FFI_TYPE_SINT32:
-	      *(signed int *) argp = (signed int)*(SINT32 *)(* p_argv);
-	      break;
-
-	    case FFI_TYPE_UINT32:
-	      *(unsigned int *) argp = (unsigned int)*(UINT32 *)(* p_argv);
-	      break;
-
-	    case FFI_TYPE_STRUCT:
-	      *(unsigned int *) argp = (unsigned int)*(UINT32 *)(* p_argv);
-	      break;
-
-	    default:
-	      FFI_ASSERT(0);
-	    }
-	}
-      else
-	{
-	  memcpy(argp, *p_argv, z);
-	}
-      p_argv++;
-      argp += z;
-    }
-
-  if (argp >= stack && (unsigned)(argp - stack) > ecif->cif->bytes) 
-    {
-      Py_FatalError("FFI BUG: not enough stack space for arguments");
-    }
-  return;
-}
-
-/* Perform machine dependent cif processing */
-ffi_status ffi_prep_cif_machdep(ffi_cif *cif)
-{
-  /* Set the return type flag */
-  switch (cif->rtype->type)
-    {
-    case FFI_TYPE_VOID:
-    case FFI_TYPE_STRUCT:
-    case FFI_TYPE_SINT64:
-    case FFI_TYPE_FLOAT:
-    case FFI_TYPE_DOUBLE:
-    case FFI_TYPE_LONGDOUBLE:
-      cif->flags = (unsigned) cif->rtype->type;
-      break;
-
-    case FFI_TYPE_UINT64:
-#ifdef _WIN64
-    case FFI_TYPE_POINTER:
-#endif
-      cif->flags = FFI_TYPE_SINT64;
-      break;
-
-    default:
-      cif->flags = FFI_TYPE_INT;
-      break;
-    }
-
-  return FFI_OK;
-}
-
-#ifdef _WIN32
-extern int
-ffi_call_x86(void (*)(char *, extended_cif *), 
-	     /*@out@*/ extended_cif *, 
-	     unsigned, unsigned, 
-	     /*@out@*/ unsigned *, 
-	     void (*fn)());
-#endif
-
-#ifdef _WIN64
-extern int
-ffi_call_AMD64(void (*)(char *, extended_cif *),
-		 /*@out@*/ extended_cif *,
-		 unsigned, unsigned,
-		 /*@out@*/ unsigned *,
-		 void (*fn)());
-#endif
-
-int
-ffi_call(/*@dependent@*/ ffi_cif *cif, 
-	 void (*fn)(), 
-	 /*@out@*/ void *rvalue, 
-	 /*@dependent@*/ void **avalue)
-{
-  extended_cif ecif;
-
-  ecif.cif = cif;
-  ecif.avalue = avalue;
-  
-  /* If the return value is a struct and we don't have a return	*/
-  /* value address then we need to make one		        */
-
-  if ((rvalue == NULL) && 
-      (cif->rtype->type == FFI_TYPE_STRUCT))
-    {
-      /*@-sysunrecog@*/
-      ecif.rvalue = alloca(cif->rtype->size);
-      /*@=sysunrecog@*/
-    }
-  else
-    ecif.rvalue = rvalue;
-    
-  
-  switch (cif->abi) 
-    {
-#if !defined(_WIN64)
-    case FFI_SYSV:
-    case FFI_STDCALL:
-      return ffi_call_x86(ffi_prep_args, &ecif, cif->bytes, 
-			  cif->flags, ecif.rvalue, fn);
-      break;
-#else
-    case FFI_SYSV:
-      /*@-usedef@*/
-      /* Function call needs at least 40 bytes stack size, on win64 AMD64 */
-      return ffi_call_AMD64(ffi_prep_args, &ecif, cif->bytes ? cif->bytes : 40,
-			   cif->flags, ecif.rvalue, fn);
-      /*@=usedef@*/
-      break;
-#endif
-
-    default:
-      FFI_ASSERT(0);
-      break;
-    }
-  return -1; /* theller: Hrm. */
-}
-
-
-/** private members **/
-
-static void ffi_prep_incoming_args_SYSV (char *stack, void **ret,
-					  void** args, ffi_cif* cif);
-/* This function is jumped to by the trampoline */
-
-#ifdef _WIN64
-void *
-#else
-static void __fastcall
-#endif
-ffi_closure_SYSV (ffi_closure *closure, int *argp)
-{
-  // this is our return value storage
-  long double    res;
-
-  // our various things...
-  ffi_cif       *cif;
-  void         **arg_area;
-  unsigned short rtype;
-  void          *resp = (void*)&res;
-  void *args = &argp[1];
-
-  cif         = closure->cif;
-  arg_area    = (void**) alloca (cif->nargs * sizeof (void*));  
-
-  /* this call will initialize ARG_AREA, such that each
-   * element in that array points to the corresponding 
-   * value on the stack; and if the function returns
-   * a structure, it will re-set RESP to point to the
-   * structure return address.  */
-
-  ffi_prep_incoming_args_SYSV(args, (void**)&resp, arg_area, cif);
-  
-  (closure->fun) (cif, resp, arg_area, closure->user_data);
-
-  rtype = cif->flags;
-
-#if defined(_WIN32) && !defined(_WIN64)
-#ifdef _MSC_VER
-  /* now, do a generic return based on the value of rtype */
-  if (rtype == FFI_TYPE_INT)
-    {
-	    _asm mov eax, resp ;
-	    _asm mov eax, [eax] ;
-    }
-  else if (rtype == FFI_TYPE_FLOAT)
-    {
-	    _asm mov eax, resp ;
-	    _asm fld DWORD PTR [eax] ;
-//      asm ("flds (%0)" : : "r" (resp) : "st" );
-    }
-  else if (rtype == FFI_TYPE_DOUBLE)
-    {
-	    _asm mov eax, resp ;
-	    _asm fld QWORD PTR [eax] ;
-//      asm ("fldl (%0)" : : "r" (resp) : "st", "st(1)" );
-    }
-  else if (rtype == FFI_TYPE_LONGDOUBLE)
-    {
-//      asm ("fldt (%0)" : : "r" (resp) : "st", "st(1)" );
-    }
-  else if (rtype == FFI_TYPE_SINT64)
-    {
-	    _asm mov edx, resp ;
-	    _asm mov eax, [edx] ;
-	    _asm mov edx, [edx + 4] ;
-//      asm ("movl 0(%0),%%eax;"
-//	   "movl 4(%0),%%edx" 
-//	   : : "r"(resp)
-//	   : "eax", "edx");
-    }
-#else
-  /* now, do a generic return based on the value of rtype */
-  if (rtype == FFI_TYPE_INT)
-    {
-      asm ("movl (%0),%%eax" : : "r" (resp) : "eax");
-    }
-  else if (rtype == FFI_TYPE_FLOAT)
-    {
-      asm ("flds (%0)" : : "r" (resp) : "st" );
-    }
-  else if (rtype == FFI_TYPE_DOUBLE)
-    {
-      asm ("fldl (%0)" : : "r" (resp) : "st", "st(1)" );
-    }
-  else if (rtype == FFI_TYPE_LONGDOUBLE)
-    {
-      asm ("fldt (%0)" : : "r" (resp) : "st", "st(1)" );
-    }
-  else if (rtype == FFI_TYPE_SINT64)
-    {
-      asm ("movl 0(%0),%%eax;"
-	   "movl 4(%0),%%edx" 
-	   : : "r"(resp)
-	   : "eax", "edx");
-    }
-#endif
-#endif
-
-#ifdef _WIN64
-  /* The result is returned in rax.  This does the right thing for
-     result types except for floats; we have to 'mov xmm0, rax' in the
-     caller to correct this.
-  */
-  return *(void **)resp;
-#endif
-}
-
-/*@-exportheader@*/
-static void 
-ffi_prep_incoming_args_SYSV(char *stack, void **rvalue,
-			    void **avalue, ffi_cif *cif)
-/*@=exportheader@*/
-{
-  register unsigned int i;
-  register void **p_argv;
-  register char *argp;
-  register ffi_type **p_arg;
-
-  argp = stack;
-
-  if ( cif->rtype->type == FFI_TYPE_STRUCT ) {
-    *rvalue = *(void **) argp;
-    argp += 4;
-  }
-
-  p_argv = avalue;
-
-  for (i = cif->nargs, p_arg = cif->arg_types; (i != 0); i--, p_arg++)
-    {
-      size_t z;
-
-      /* Align if necessary */
-      if ((sizeof(char *) - 1) & (size_t) argp) {
-	argp = (char *) ALIGN(argp, sizeof(char*));
-      }
-
-      z = (*p_arg)->size;
-
-      /* because we're little endian, this is what it turns into.   */
-
-      *p_argv = (void*) argp;
-
-      p_argv++;
-      argp += z;
-    }
-  
-  return;
-}
-
-/* the cif must already be prep'ed */
-extern void ffi_closure_OUTER();
-
-ffi_status
-ffi_prep_closure_loc (ffi_closure* closure,
-					  ffi_cif* cif,
-					  void (*fun)(ffi_cif*,void*,void**,void*),
-					  void *user_data,
-					  void *codeloc)
-{
-  short bytes;
-  char *tramp;
-#ifdef _WIN64
-  int mask = 0;
-#endif
-  FFI_ASSERT (cif->abi == FFI_SYSV);
-  
-  if (cif->abi == FFI_SYSV)
-    bytes = 0;
-#if !defined(_WIN64)
-  else if (cif->abi == FFI_STDCALL)
-    bytes = cif->bytes;
-#endif
-  else
-    return FFI_BAD_ABI;
-
-  tramp = &closure->tramp[0];
-
-#define BYTES(text) memcpy(tramp, text, sizeof(text)), tramp += sizeof(text)-1
-#define POINTER(x) *(void**)tramp = (void*)(x), tramp += sizeof(void*)
-#define SHORT(x) *(short*)tramp = x, tramp += sizeof(short)
-#define INT(x) *(int*)tramp = x, tramp += sizeof(int)
-
-#ifdef _WIN64
-  if (cif->nargs >= 1 &&
-      (cif->arg_types[0]->type == FFI_TYPE_FLOAT
-       || cif->arg_types[0]->type == FFI_TYPE_DOUBLE))
-    mask |= 1;
-  if (cif->nargs >= 2 &&
-      (cif->arg_types[1]->type == FFI_TYPE_FLOAT
-       || cif->arg_types[1]->type == FFI_TYPE_DOUBLE))
-    mask |= 2;
-  if (cif->nargs >= 3 &&
-      (cif->arg_types[2]->type == FFI_TYPE_FLOAT
-       || cif->arg_types[2]->type == FFI_TYPE_DOUBLE))
-    mask |= 4;
-  if (cif->nargs >= 4 &&
-      (cif->arg_types[3]->type == FFI_TYPE_FLOAT
-       || cif->arg_types[3]->type == FFI_TYPE_DOUBLE))
-    mask |= 8;
-
-  /* 41 BB ----         mov         r11d,mask */
-  BYTES("\x41\xBB"); INT(mask);
-
-  /* 48 B8 --------     mov         rax, closure			*/
-  BYTES("\x48\xB8"); POINTER(closure);
-
-  /* 49 BA --------     mov         r10, ffi_closure_OUTER */
-  BYTES("\x49\xBA"); POINTER(ffi_closure_OUTER);
-
-  /* 41 FF E2           jmp         r10 */
-  BYTES("\x41\xFF\xE2");
-
-#else
-
-  /* mov ecx, closure */
-  BYTES("\xb9"); POINTER(closure);
-
-  /* mov edx, esp */
-  BYTES("\x8b\xd4");
-
-  /* call ffi_closure_SYSV */
-  BYTES("\xe8"); POINTER((char*)&ffi_closure_SYSV - (tramp + 4));
-
-  /* ret bytes */
-  BYTES("\xc2");
-  SHORT(bytes);
-  
-#endif
-
-  if (tramp - &closure->tramp[0] > FFI_TRAMPOLINE_SIZE)
-    Py_FatalError("FFI_TRAMPOLINE_SIZE too small in " __FILE__);
-
-  closure->cif  = cif;
-  closure->user_data = user_data;
-  closure->fun  = fun;
-  return FFI_OK;
-}
diff --git a/lib/wrappers/libffi/msvc/prep_cif.c b/lib/wrappers/libffi/msvc/prep_cif.c
deleted file mode 100644
index 2650fa052..000000000
--- a/lib/wrappers/libffi/msvc/prep_cif.c
+++ /dev/null
@@ -1,175 +0,0 @@
-/* -----------------------------------------------------------------------
-   prep_cif.c - Copyright (c) 1996, 1998  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 CYGNUS SOLUTIONS 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.
-   ----------------------------------------------------------------------- */
-
-#include <ffi.h>
-#include <ffi_common.h>
-#include <stdlib.h>
-
-
-/* Round up to FFI_SIZEOF_ARG. */
-
-#define STACK_ARG_SIZE(x) ALIGN(x, FFI_SIZEOF_ARG)
-
-/* Perform machine independent initialization of aggregate type
-   specifications. */
-
-static ffi_status initialize_aggregate(/*@out@*/ ffi_type *arg)
-{
-  ffi_type **ptr; 
-
-  FFI_ASSERT(arg != NULL);
-
-  /*@-usedef@*/
-
-  FFI_ASSERT(arg->elements != NULL);
-  FFI_ASSERT(arg->size == 0);
-  FFI_ASSERT(arg->alignment == 0);
-
-  ptr = &(arg->elements[0]);
-
-  while ((*ptr) != NULL)
-    {
-      if (((*ptr)->size == 0) && (initialize_aggregate((*ptr)) != FFI_OK))
-	return FFI_BAD_TYPEDEF;
-      
-      /* Perform a sanity check on the argument type */
-      FFI_ASSERT_VALID_TYPE(*ptr);
-
-      arg->size = ALIGN(arg->size, (*ptr)->alignment);
-      arg->size += (*ptr)->size;
-
-      arg->alignment = (arg->alignment > (*ptr)->alignment) ? 
-	arg->alignment : (*ptr)->alignment;
-
-      ptr++;
-    }
-
-  /* Structure size includes tail padding.  This is important for
-     structures that fit in one register on ABIs like the PowerPC64
-     Linux ABI that right justify small structs in a register.
-     It's also needed for nested structure layout, for example
-     struct A { long a; char b; }; struct B { struct A x; char y; };
-     should find y at an offset of 2*sizeof(long) and result in a
-     total size of 3*sizeof(long).  */
-  arg->size = ALIGN (arg->size, arg->alignment);
-
-  if (arg->size == 0)
-    return FFI_BAD_TYPEDEF;
-  else
-    return FFI_OK;
-
-  /*@=usedef@*/
-}
-
-/* Perform machine independent ffi_cif preparation, then call
-   machine dependent routine. */
-
-ffi_status ffi_prep_cif(/*@out@*/ /*@partial@*/ ffi_cif *cif, 
-			ffi_abi abi, unsigned int nargs, 
-			/*@dependent@*/ /*@out@*/ /*@partial@*/ ffi_type *rtype, 
-			/*@dependent@*/ ffi_type **atypes)
-{
-  unsigned bytes = 0;
-  unsigned int i;
-  ffi_type **ptr;
-
-  FFI_ASSERT(cif != NULL);
-  FFI_ASSERT((abi > FFI_FIRST_ABI) && (abi <= FFI_DEFAULT_ABI));
-
-  cif->abi = abi;
-  cif->arg_types = atypes;
-  cif->nargs = nargs;
-  cif->rtype = rtype;
-
-  cif->flags = 0;
-
-  /* Initialize the return type if necessary */
-  /*@-usedef@*/
-  if ((cif->rtype->size == 0) && (initialize_aggregate(cif->rtype) != FFI_OK))
-    return FFI_BAD_TYPEDEF;
-  /*@=usedef@*/
-
-  /* Perform a sanity check on the return type */
-  FFI_ASSERT_VALID_TYPE(cif->rtype);
-
-  /* x86-64 and s390 stack space allocation is handled in prep_machdep.  */
-#if !defined M68K && !defined __x86_64__ && !defined S390
-  /* Make space for the return structure pointer */
-  if (cif->rtype->type == FFI_TYPE_STRUCT
-      /* MSVC returns small structures in registers.  But we have a different
-      workaround: pretend int32 or int64 return type, and converting to
-      structure afterwards. */
-#ifdef SPARC
-      && (cif->abi != FFI_V9 || cif->rtype->size > 32)
-#endif
-      )
-    bytes = STACK_ARG_SIZE(sizeof(void*));
-#endif
-
-  for (ptr = cif->arg_types, i = cif->nargs; i > 0; i--, ptr++)
-    {
-
-      /* Initialize any uninitialized aggregate type definitions */
-      if (((*ptr)->size == 0) && (initialize_aggregate((*ptr)) != FFI_OK))
-	return FFI_BAD_TYPEDEF;
-
-      /* Perform a sanity check on the argument type, do this 
-	 check after the initialization.  */
-      FFI_ASSERT_VALID_TYPE(*ptr);
-
-#if !defined __x86_64__ && !defined S390
-#ifdef SPARC
-      if (((*ptr)->type == FFI_TYPE_STRUCT
-	   && ((*ptr)->size > 16 || cif->abi != FFI_V9))
-	  || ((*ptr)->type == FFI_TYPE_LONGDOUBLE
-	      && cif->abi != FFI_V9))
-	bytes += sizeof(void*);
-      else
-#endif
-	{
-#if !defined(_MSC_VER) && !defined(__MINGW32__)
-		/* Don't know if this is a libffi bug or not.  At least on
-		   Windows with MSVC, function call parameters are *not*
-		   aligned in the same way as structure fields are, they are
-		   only aligned in integer boundaries.
-
-		   This doesn't do any harm for cdecl functions and closures,
-		   since the caller cleans up the stack, but it is wrong for
-		   stdcall functions where the callee cleans.
-		*/
-
-	  /* Add any padding if necessary */
-	  if (((*ptr)->alignment - 1) & bytes)
-	    bytes = ALIGN(bytes, (*ptr)->alignment);
-	  
-#endif
-	  bytes += STACK_ARG_SIZE((*ptr)->size);
-	}
-#endif
-    }
-
-  cif->bytes = bytes;
-
-  /* Perform machine dependent cif processing */
-  return ffi_prep_cif_machdep(cif);
-}
diff --git a/lib/wrappers/libffi/msvc/types.c b/lib/wrappers/libffi/msvc/types.c
deleted file mode 100644
index df32190d1..000000000
--- a/lib/wrappers/libffi/msvc/types.c
+++ /dev/null
@@ -1,104 +0,0 @@
-/* -----------------------------------------------------------------------
-   types.c - Copyright (c) 1996, 1998  Red Hat, Inc.
-   
-   Predefined ffi_types needed by libffi.
-
-   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 CYGNUS SOLUTIONS 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.
-   ----------------------------------------------------------------------- */
-
-#include <ffi.h>
-#include <ffi_common.h>
-
-/* Type definitions */
-
-#define FFI_INTEGRAL_TYPEDEF(n, s, a, t) ffi_type ffi_type_##n = { s, a, t, NULL }
-#define FFI_AGGREGATE_TYPEDEF(n, e) ffi_type ffi_type_##n = { 0, 0, FFI_TYPE_STRUCT, e }
-
-/* Size and alignment are fake here. They must not be 0. */
-FFI_INTEGRAL_TYPEDEF(void, 1, 1, FFI_TYPE_VOID);
-
-FFI_INTEGRAL_TYPEDEF(uint8, 1, 1, FFI_TYPE_UINT8);
-FFI_INTEGRAL_TYPEDEF(sint8, 1, 1, FFI_TYPE_SINT8);
-FFI_INTEGRAL_TYPEDEF(uint16, 2, 2, FFI_TYPE_UINT16);
-FFI_INTEGRAL_TYPEDEF(sint16, 2, 2, FFI_TYPE_SINT16);
-FFI_INTEGRAL_TYPEDEF(uint32, 4, 4, FFI_TYPE_UINT32);
-FFI_INTEGRAL_TYPEDEF(sint32, 4, 4, FFI_TYPE_SINT32);
-FFI_INTEGRAL_TYPEDEF(float, 4, 4, FFI_TYPE_FLOAT);
-
-#if defined ALPHA || defined SPARC64 || defined X86_64 || defined S390X \
-    || defined IA64
-
-FFI_INTEGRAL_TYPEDEF(pointer, 8, 8, FFI_TYPE_POINTER);
-
-#else
-
-FFI_INTEGRAL_TYPEDEF(pointer, 4, 4, FFI_TYPE_POINTER);
-
-#endif
-
-#if defined X86 || defined X86_WIN32 || defined ARM || defined M68K
-
-FFI_INTEGRAL_TYPEDEF(uint64, 8, 4, FFI_TYPE_UINT64);
-FFI_INTEGRAL_TYPEDEF(sint64, 8, 4, FFI_TYPE_SINT64);
-
-#elif defined SH
-
-FFI_INTEGRAL_TYPEDEF(uint64, 8, 4, FFI_TYPE_UINT64);
-FFI_INTEGRAL_TYPEDEF(sint64, 8, 4, FFI_TYPE_SINT64);
-
-#else
-
-FFI_INTEGRAL_TYPEDEF(uint64, 8, 8, FFI_TYPE_UINT64);
-FFI_INTEGRAL_TYPEDEF(sint64, 8, 8, FFI_TYPE_SINT64);
-
-#endif
-
-
-#if defined X86 || defined X86_WIN32 || defined M68K
-
-FFI_INTEGRAL_TYPEDEF(double, 8, 4, FFI_TYPE_DOUBLE);
-FFI_INTEGRAL_TYPEDEF(longdouble, 12, 4, FFI_TYPE_LONGDOUBLE);
-
-#elif defined ARM || defined SH || defined POWERPC_AIX || defined POWERPC_DARWIN
-
-FFI_INTEGRAL_TYPEDEF(double, 8, 4, FFI_TYPE_DOUBLE);
-FFI_INTEGRAL_TYPEDEF(longdouble, 8, 4, FFI_TYPE_LONGDOUBLE);
-
-#elif defined SPARC
-
-FFI_INTEGRAL_TYPEDEF(double, 8, 8, FFI_TYPE_DOUBLE);
-#ifdef SPARC64
-FFI_INTEGRAL_TYPEDEF(longdouble, 16, 16, FFI_TYPE_LONGDOUBLE);
-#else
-FFI_INTEGRAL_TYPEDEF(longdouble, 16, 8, FFI_TYPE_LONGDOUBLE);
-#endif
-
-#elif defined X86_64
-
-FFI_INTEGRAL_TYPEDEF(double, 8, 8, FFI_TYPE_DOUBLE);
-FFI_INTEGRAL_TYPEDEF(longdouble, 16, 16, FFI_TYPE_LONGDOUBLE);
-
-#else
-
-FFI_INTEGRAL_TYPEDEF(double, 8, 8, FFI_TYPE_DOUBLE);
-FFI_INTEGRAL_TYPEDEF(longdouble, 8, 8, FFI_TYPE_LONGDOUBLE);
-
-#endif
-
diff --git a/lib/wrappers/libffi/msvc/win32.c b/lib/wrappers/libffi/msvc/win32.c
deleted file mode 100644
index 2754fd35d..000000000
--- a/lib/wrappers/libffi/msvc/win32.c
+++ /dev/null
@@ -1,162 +0,0 @@
-/* -----------------------------------------------------------------------
-   win32.S - Copyright (c) 1996, 1998, 2001, 2002  Red Hat, Inc.
-	     Copyright (c) 2001  John Beniton
-	     Copyright (c) 2002  Ranjit Mathew
-			
- 
-   X86 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 CYGNUS SOLUTIONS 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.
-   ----------------------------------------------------------------------- */
-
-/* theller: almost verbatim translation from gas syntax to MSVC inline
-   assembler code. */
-
-/* theller: ffi_call_x86 now returns an integer - the difference of the stack
-   pointer before and after the function call.  If everything is ok, zero is
-   returned.  If stdcall functions are passed the wrong number of arguments,
-   the difference will be nonzero. */
-
-#include <ffi.h>
-#include <ffi_common.h>
-
-__declspec(naked) int
-ffi_call_x86(void (* prepfunc)(char *, extended_cif *), /* 8 */
-	     extended_cif *ecif, /* 12 */
-	     unsigned bytes, /* 16 */
-	     unsigned flags, /* 20 */
-	     unsigned *rvalue, /* 24 */
-	     void (*fn)()) /* 28 */
-{
-	_asm {
-		push ebp
-		mov ebp, esp
-
-		push esi // NEW: this register must be preserved across function calls
-// XXX SAVE ESP NOW!
-		mov esi, esp		// save stack pointer before the call
-
-// Make room for all of the new args.
-		mov ecx, [ebp+16]
-		sub esp, ecx		// sub esp, bytes
-		
-		mov eax, esp
-
-// Place all of the ffi_prep_args in position
-		push [ebp + 12] // ecif
-		push eax
-		call [ebp + 8] // prepfunc
-
-// Return stack to previous state and call the function
-		add esp, 8
-// FIXME: Align the stack to a 128-bit boundary to avoid
-// potential performance hits.
-		call [ebp + 28]
-
-// Load ecif->cif->abi
-		mov ecx, [ebp + 12]
-		mov ecx, [ecx]ecif.cif
-		mov ecx, [ecx]ecif.cif.abi
-		
-		cmp ecx, FFI_STDCALL
-		je noclean
-// STDCALL: Remove the space we pushed for the args
-		mov ecx, [ebp + 16]
-		add esp, ecx
-// CDECL: Caller has already cleaned the stack
-noclean:
-// Check that esp has the same value as before!
-		sub esi, esp
-
-// Load %ecx with the return type code
-		mov ecx, [ebp + 20]
-
-// If the return value pointer is NULL, assume no return value.
-/*
-  Intel asm is weird. We have to explicitly specify 'DWORD PTR' in the nexr instruction,
-  otherwise only one BYTE will be compared (instead of a DWORD)!
- */
-		cmp DWORD PTR [ebp + 24], 0
-		jne sc_retint
-
-// Even if there is no space for the return value, we are
-// obliged to handle floating-point values.
-		cmp ecx, FFI_TYPE_FLOAT
-		jne sc_noretval
-//        fstp  %st(0)
-		fstp st(0)
-
-		jmp sc_epilogue
-
-sc_retint:
-		cmp ecx, FFI_TYPE_INT
-		jne sc_retfloat
-//        # Load %ecx with the pointer to storage for the return value
-		mov ecx, [ebp + 24]
-		mov [ecx + 0], eax
-		jmp sc_epilogue
-
-sc_retfloat:
-		cmp ecx, FFI_TYPE_FLOAT
-		jne sc_retdouble
-// Load %ecx with the pointer to storage for the return value
-		mov ecx, [ebp+24]
-//        fstps (%ecx)
-		fstp DWORD PTR [ecx]
-		jmp sc_epilogue
-
-sc_retdouble:
-		cmp ecx, FFI_TYPE_DOUBLE
-		jne sc_retlongdouble
-//        movl  24(%ebp),%ecx
-		mov ecx, [ebp+24]
-		fstp QWORD PTR [ecx]
-		jmp sc_epilogue
-
-		jmp sc_retlongdouble // avoid warning about unused label
-sc_retlongdouble:
-		cmp ecx, FFI_TYPE_LONGDOUBLE
-		jne sc_retint64
-// Load %ecx with the pointer to storage for the return value
-		mov ecx, [ebp+24]
-//        fstpt (%ecx)
-		fstp QWORD PTR [ecx] /* XXX ??? */
-		jmp sc_epilogue
-
-sc_retint64:
-		cmp ecx, FFI_TYPE_SINT64
-		jne sc_retstruct
-// Load %ecx with the pointer to storage for the return value
-		mov ecx, [ebp+24]
-		mov [ecx+0], eax
-		mov [ecx+4], edx
-
-sc_retstruct:
-// Nothing to do!
-
-sc_noretval:
-sc_epilogue:
-		mov eax, esi
-		pop esi // NEW restore: must be preserved across function calls
-		mov esp, ebp
-		pop ebp
-		ret
-	}
-}
diff --git a/lib/wrappers/libffi/msvc/win32_asm.asm b/lib/wrappers/libffi/msvc/win32_asm.asm
deleted file mode 100644
index 407185e6a..000000000
--- a/lib/wrappers/libffi/msvc/win32_asm.asm
+++ /dev/null
@@ -1,470 +0,0 @@
-/* -----------------------------------------------------------------------
-   win32.S - Copyright (c) 1996, 1998, 2001, 2002, 2009  Red Hat, Inc.
-	     Copyright (c) 2001  John Beniton
-	     Copyright (c) 2002  Ranjit Mathew
-	     Copyright (c) 2009  Daniel Witte
-			
- 
-   X86 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>
-
-.386
-.MODEL FLAT, C
-
-EXTRN ffi_closure_SYSV_inner:NEAR
-
-_TEXT SEGMENT
-
-ffi_call_win32 PROC NEAR,
-    ffi_prep_args : NEAR PTR DWORD,
-    ecif          : NEAR PTR DWORD,
-    cif_abi       : DWORD,
-    cif_bytes     : DWORD,
-    cif_flags     : DWORD,
-    rvalue        : NEAR PTR DWORD,
-    fn            : NEAR PTR DWORD
-
-        ;; Make room for all of the new args.
-        mov  ecx, cif_bytes
-        sub  esp, ecx
-
-        mov  eax, esp
-
-        ;; Place all of the ffi_prep_args in position
-        push ecif
-        push eax
-        call ffi_prep_args
-
-        ;; Return stack to previous state and call the function
-        add  esp, 8
-
-	;; Handle thiscall and fastcall
-	cmp cif_abi, 3 ;; FFI_THISCALL
-	jz do_thiscall
-	cmp cif_abi, 4 ;; FFI_FASTCALL
-	jnz do_stdcall
-	mov ecx, DWORD PTR [esp]
-	mov edx, DWORD PTR [esp+4]
-	add esp, 8
-	jmp do_stdcall
-do_thiscall:
-	mov ecx, DWORD PTR [esp]
-	add esp, 4
-do_stdcall:
-        call fn
-
-        ;; cdecl:   we restore esp in the epilogue, so there's no need to
-        ;;          remove the space we pushed for the args.
-        ;; stdcall: the callee has already cleaned the stack.
-
-        ;; Load ecx with the return type code
-        mov  ecx, cif_flags
-
-        ;; If the return value pointer is NULL, assume no return value.
-        cmp  rvalue, 0
-        jne  ca_jumptable
-
-        ;; Even if there is no space for the return value, we are
-        ;; obliged to handle floating-point values.
-        cmp  ecx, FFI_TYPE_FLOAT
-        jne  ca_epilogue
-        fstp st(0)
-
-        jmp  ca_epilogue
-
-ca_jumptable:
-        jmp  [ca_jumpdata + 4 * ecx]
-ca_jumpdata:
-        ;; Do not insert anything here between label and jump table.
-        dd offset ca_epilogue       ;; FFI_TYPE_VOID
-        dd offset ca_retint         ;; FFI_TYPE_INT
-        dd offset ca_retfloat       ;; FFI_TYPE_FLOAT
-        dd offset ca_retdouble      ;; FFI_TYPE_DOUBLE
-        dd offset ca_retlongdouble  ;; FFI_TYPE_LONGDOUBLE
-        dd offset ca_retuint8       ;; FFI_TYPE_UINT8
-        dd offset ca_retsint8       ;; FFI_TYPE_SINT8
-        dd offset ca_retuint16      ;; FFI_TYPE_UINT16
-        dd offset ca_retsint16      ;; FFI_TYPE_SINT16
-        dd offset ca_retint         ;; FFI_TYPE_UINT32
-        dd offset ca_retint         ;; FFI_TYPE_SINT32
-        dd offset ca_retint64       ;; FFI_TYPE_UINT64
-        dd offset ca_retint64       ;; FFI_TYPE_SINT64
-        dd offset ca_epilogue       ;; FFI_TYPE_STRUCT
-        dd offset ca_retint         ;; FFI_TYPE_POINTER
-        dd offset ca_retstruct1b    ;; FFI_TYPE_SMALL_STRUCT_1B
-        dd offset ca_retstruct2b    ;; FFI_TYPE_SMALL_STRUCT_2B
-        dd offset ca_retint         ;; FFI_TYPE_SMALL_STRUCT_4B
-        dd offset ca_epilogue       ;; FFI_TYPE_MS_STRUCT
-
-        /* Sign/zero extend as appropriate.  */
-ca_retuint8:
-        movzx eax, al
-        jmp   ca_retint
-
-ca_retsint8:
-        movsx eax, al
-        jmp   ca_retint
-
-ca_retuint16:
-        movzx eax, ax
-        jmp   ca_retint
-
-ca_retsint16:
-        movsx eax, ax
-        jmp   ca_retint
-
-ca_retint:
-        ;; Load %ecx with the pointer to storage for the return value
-        mov   ecx, rvalue
-        mov   [ecx + 0], eax
-        jmp   ca_epilogue
-
-ca_retint64:
-        ;; Load %ecx with the pointer to storage for the return value
-        mov   ecx, rvalue
-        mov   [ecx + 0], eax
-        mov   [ecx + 4], edx
-        jmp   ca_epilogue
-
-ca_retfloat:
-        ;; Load %ecx with the pointer to storage for the return value
-        mov   ecx, rvalue
-        fstp  DWORD PTR [ecx]
-        jmp   ca_epilogue
-
-ca_retdouble:
-        ;; Load %ecx with the pointer to storage for the return value
-        mov   ecx, rvalue
-        fstp  QWORD PTR [ecx]
-        jmp   ca_epilogue
-
-ca_retlongdouble:
-        ;; Load %ecx with the pointer to storage for the return value
-        mov   ecx, rvalue
-        fstp  TBYTE PTR [ecx]
-        jmp   ca_epilogue
-
-ca_retstruct1b:
-        ;; Load %ecx with the pointer to storage for the return value
-        mov   ecx, rvalue
-        mov   [ecx + 0], al
-        jmp   ca_epilogue
-
-ca_retstruct2b:
-        ;; Load %ecx with the pointer to storage for the return value
-        mov   ecx, rvalue
-        mov   [ecx + 0], ax
-        jmp   ca_epilogue
-
-ca_epilogue:
-        ;; Epilogue code is autogenerated.
-        ret
-ffi_call_win32 ENDP
-
-ffi_closure_THISCALL PROC NEAR FORCEFRAME
-	sub	esp, 40
-	lea	edx, [ebp -24]
-	mov	[ebp - 12], edx	/* resp */
-	lea	edx, [ebp + 12]  /* account for stub return address on stack */
-	jmp	stub
-ffi_closure_THISCALL ENDP
-
-ffi_closure_SYSV PROC NEAR FORCEFRAME
-    ;; the ffi_closure ctx is passed in eax by the trampoline.
-
-        sub  esp, 40
-        lea  edx, [ebp - 24]
-        mov  [ebp - 12], edx         ;; resp
-        lea  edx, [ebp + 8]
-stub::
-        mov  [esp + 8], edx          ;; args
-        lea  edx, [ebp - 12]
-        mov  [esp + 4], edx          ;; &resp
-        mov  [esp], eax              ;; closure
-        call ffi_closure_SYSV_inner
-        mov  ecx, [ebp - 12]
-
-cs_jumptable:
-        jmp  [cs_jumpdata + 4 * eax]
-cs_jumpdata:
-        ;; Do not insert anything here between the label and jump table.
-        dd offset cs_epilogue       ;; FFI_TYPE_VOID
-        dd offset cs_retint         ;; FFI_TYPE_INT
-        dd offset cs_retfloat       ;; FFI_TYPE_FLOAT
-        dd offset cs_retdouble      ;; FFI_TYPE_DOUBLE
-        dd offset cs_retlongdouble  ;; FFI_TYPE_LONGDOUBLE
-        dd offset cs_retuint8       ;; FFI_TYPE_UINT8
-        dd offset cs_retsint8       ;; FFI_TYPE_SINT8
-        dd offset cs_retuint16      ;; FFI_TYPE_UINT16
-        dd offset cs_retsint16      ;; FFI_TYPE_SINT16
-        dd offset cs_retint         ;; FFI_TYPE_UINT32
-        dd offset cs_retint         ;; FFI_TYPE_SINT32
-        dd offset cs_retint64       ;; FFI_TYPE_UINT64
-        dd offset cs_retint64       ;; FFI_TYPE_SINT64
-        dd offset cs_retstruct      ;; FFI_TYPE_STRUCT
-        dd offset cs_retint         ;; FFI_TYPE_POINTER
-        dd offset cs_retsint8       ;; FFI_TYPE_SMALL_STRUCT_1B
-        dd offset cs_retsint16      ;; FFI_TYPE_SMALL_STRUCT_2B
-        dd offset cs_retint         ;; FFI_TYPE_SMALL_STRUCT_4B
-        dd offset cs_retmsstruct    ;; FFI_TYPE_MS_STRUCT
-
-cs_retuint8:
-        movzx eax, BYTE PTR [ecx]
-        jmp   cs_epilogue
-
-cs_retsint8:
-        movsx eax, BYTE PTR [ecx]
-        jmp   cs_epilogue
-
-cs_retuint16:
-        movzx eax, WORD PTR [ecx]
-        jmp   cs_epilogue
-
-cs_retsint16:
-        movsx eax, WORD PTR [ecx]
-        jmp   cs_epilogue
-
-cs_retint:
-        mov   eax, [ecx]
-        jmp   cs_epilogue
-
-cs_retint64:
-        mov   eax, [ecx + 0]
-        mov   edx, [ecx + 4]
-        jmp   cs_epilogue
-
-cs_retfloat:
-        fld   DWORD PTR [ecx]
-        jmp   cs_epilogue
-
-cs_retdouble:
-        fld   QWORD PTR [ecx]
-        jmp   cs_epilogue
-
-cs_retlongdouble:
-        fld   TBYTE PTR [ecx]
-        jmp   cs_epilogue
-
-cs_retstruct:
-        ;; Caller expects us to pop struct return value pointer hidden arg.
-        ;; Epilogue code is autogenerated.
-        ret	4
-
-cs_retmsstruct:
-        ;; Caller expects us to return a pointer to the real return value.
-        mov   eax, ecx
-        ;; Caller doesn't expects us to pop struct return value pointer hidden arg.
-        jmp   cs_epilogue
-
-cs_epilogue:
-        ;; Epilogue code is autogenerated.
-        ret
-ffi_closure_SYSV ENDP
-
-#if !FFI_NO_RAW_API
-
-#define RAW_CLOSURE_CIF_OFFSET ((FFI_TRAMPOLINE_SIZE + 3) AND NOT 3)
-#define RAW_CLOSURE_FUN_OFFSET (RAW_CLOSURE_CIF_OFFSET + 4)
-#define RAW_CLOSURE_USER_DATA_OFFSET (RAW_CLOSURE_FUN_OFFSET + 4)
-#define CIF_FLAGS_OFFSET 20
-
-ffi_closure_raw_THISCALL PROC NEAR USES esi FORCEFRAME
-	sub esp, 36
-	mov  esi, [eax + RAW_CLOSURE_CIF_OFFSET]        ;; closure->cif
-	mov  edx, [eax + RAW_CLOSURE_USER_DATA_OFFSET]  ;; closure->user_data
-	mov [esp + 12], edx
-	lea edx, [ebp + 12]
-	jmp stubraw
-ffi_closure_raw_THISCALL ENDP
-
-ffi_closure_raw_SYSV PROC NEAR USES esi FORCEFRAME
-    ;; the ffi_closure ctx is passed in eax by the trampoline.
-
-        sub  esp, 40
-        mov  esi, [eax + RAW_CLOSURE_CIF_OFFSET]        ;; closure->cif
-        mov  edx, [eax + RAW_CLOSURE_USER_DATA_OFFSET]  ;; closure->user_data
-        mov  [esp + 12], edx                            ;; user_data
-        lea  edx, [ebp + 8]
-stubraw::
-        mov  [esp + 8], edx                             ;; raw_args
-        lea  edx, [ebp - 24]
-        mov  [esp + 4], edx                             ;; &res
-        mov  [esp], esi                                 ;; cif
-        call DWORD PTR [eax + RAW_CLOSURE_FUN_OFFSET]   ;; closure->fun
-        mov  eax, [esi + CIF_FLAGS_OFFSET]              ;; cif->flags
-        lea  ecx, [ebp - 24]
-
-cr_jumptable:
-        jmp  [cr_jumpdata + 4 * eax]
-cr_jumpdata:
-        ;; Do not insert anything here between the label and jump table.
-        dd offset cr_epilogue       ;; FFI_TYPE_VOID
-        dd offset cr_retint         ;; FFI_TYPE_INT
-        dd offset cr_retfloat       ;; FFI_TYPE_FLOAT
-        dd offset cr_retdouble      ;; FFI_TYPE_DOUBLE
-        dd offset cr_retlongdouble  ;; FFI_TYPE_LONGDOUBLE
-        dd offset cr_retuint8       ;; FFI_TYPE_UINT8
-        dd offset cr_retsint8       ;; FFI_TYPE_SINT8
-        dd offset cr_retuint16      ;; FFI_TYPE_UINT16
-        dd offset cr_retsint16      ;; FFI_TYPE_SINT16
-        dd offset cr_retint         ;; FFI_TYPE_UINT32
-        dd offset cr_retint         ;; FFI_TYPE_SINT32
-        dd offset cr_retint64       ;; FFI_TYPE_UINT64
-        dd offset cr_retint64       ;; FFI_TYPE_SINT64
-        dd offset cr_epilogue       ;; FFI_TYPE_STRUCT
-        dd offset cr_retint         ;; FFI_TYPE_POINTER
-        dd offset cr_retsint8       ;; FFI_TYPE_SMALL_STRUCT_1B
-        dd offset cr_retsint16      ;; FFI_TYPE_SMALL_STRUCT_2B
-        dd offset cr_retint         ;; FFI_TYPE_SMALL_STRUCT_4B
-        dd offset cr_epilogue       ;; FFI_TYPE_MS_STRUCT
-
-cr_retuint8:
-        movzx eax, BYTE PTR [ecx]
-        jmp   cr_epilogue
-
-cr_retsint8:
-        movsx eax, BYTE PTR [ecx]
-        jmp   cr_epilogue
-
-cr_retuint16:
-        movzx eax, WORD PTR [ecx]
-        jmp   cr_epilogue
-
-cr_retsint16:
-        movsx eax, WORD PTR [ecx]
-        jmp   cr_epilogue
-
-cr_retint:
-        mov   eax, [ecx]
-        jmp   cr_epilogue
-
-cr_retint64:
-        mov   eax, [ecx + 0]
-        mov   edx, [ecx + 4]
-        jmp   cr_epilogue
-
-cr_retfloat:
-        fld   DWORD PTR [ecx]
-        jmp   cr_epilogue
-
-cr_retdouble:
-        fld   QWORD PTR [ecx]
-        jmp   cr_epilogue
-
-cr_retlongdouble:
-        fld   TBYTE PTR [ecx]
-        jmp   cr_epilogue
-
-cr_epilogue:
-        ;; Epilogue code is autogenerated.
-        ret
-ffi_closure_raw_SYSV ENDP
-
-#endif /* !FFI_NO_RAW_API */
-
-ffi_closure_STDCALL PROC NEAR FORCEFRAME
-    ;; the ffi_closure ctx is passed in eax by the trampoline.
-
-        sub  esp, 40
-        lea  edx, [ebp - 24]
-        mov  [ebp - 12], edx         ;; resp
-        lea  edx, [ebp + 12]         ;; account for stub return address on stack
-        mov  [esp + 8], edx          ;; args
-        lea  edx, [ebp - 12]
-        mov  [esp + 4], edx          ;; &resp
-        mov  [esp], eax              ;; closure
-        call ffi_closure_SYSV_inner
-        mov  ecx, [ebp - 12]
-
-cd_jumptable:
-        jmp  [cd_jumpdata + 4 * eax]
-cd_jumpdata:
-        ;; Do not insert anything here between the label and jump table.
-        dd offset cd_epilogue       ;; FFI_TYPE_VOID
-        dd offset cd_retint         ;; FFI_TYPE_INT
-        dd offset cd_retfloat       ;; FFI_TYPE_FLOAT
-        dd offset cd_retdouble      ;; FFI_TYPE_DOUBLE
-        dd offset cd_retlongdouble  ;; FFI_TYPE_LONGDOUBLE
-        dd offset cd_retuint8       ;; FFI_TYPE_UINT8
-        dd offset cd_retsint8       ;; FFI_TYPE_SINT8
-        dd offset cd_retuint16      ;; FFI_TYPE_UINT16
-        dd offset cd_retsint16      ;; FFI_TYPE_SINT16
-        dd offset cd_retint         ;; FFI_TYPE_UINT32
-        dd offset cd_retint         ;; FFI_TYPE_SINT32
-        dd offset cd_retint64       ;; FFI_TYPE_UINT64
-        dd offset cd_retint64       ;; FFI_TYPE_SINT64
-        dd offset cd_epilogue       ;; FFI_TYPE_STRUCT
-        dd offset cd_retint         ;; FFI_TYPE_POINTER
-        dd offset cd_retsint8       ;; FFI_TYPE_SMALL_STRUCT_1B
-        dd offset cd_retsint16      ;; FFI_TYPE_SMALL_STRUCT_2B
-        dd offset cd_retint         ;; FFI_TYPE_SMALL_STRUCT_4B
-
-cd_retuint8:
-        movzx eax, BYTE PTR [ecx]
-        jmp   cd_epilogue
-
-cd_retsint8:
-        movsx eax, BYTE PTR [ecx]
-        jmp   cd_epilogue
-
-cd_retuint16:
-        movzx eax, WORD PTR [ecx]
-        jmp   cd_epilogue
-
-cd_retsint16:
-        movsx eax, WORD PTR [ecx]
-        jmp   cd_epilogue
-
-cd_retint:
-        mov   eax, [ecx]
-        jmp   cd_epilogue
-
-cd_retint64:
-        mov   eax, [ecx + 0]
-        mov   edx, [ecx + 4]
-        jmp   cd_epilogue
-
-cd_retfloat:
-        fld   DWORD PTR [ecx]
-        jmp   cd_epilogue
-
-cd_retdouble:
-        fld   QWORD PTR [ecx]
-        jmp   cd_epilogue
-
-cd_retlongdouble:
-        fld   TBYTE PTR [ecx]
-        jmp   cd_epilogue
-
-cd_epilogue:
-        ;; Epilogue code is autogenerated.
-        ret
-ffi_closure_STDCALL ENDP
-
-_TEXT ENDS
-END
diff --git a/lib/wrappers/libffi/msvc/win64_asm.asm b/lib/wrappers/libffi/msvc/win64_asm.asm
deleted file mode 100644
index 301188bc9..000000000
--- a/lib/wrappers/libffi/msvc/win64_asm.asm
+++ /dev/null
@@ -1,156 +0,0 @@
-PUBLIC	ffi_call_AMD64
-
-EXTRN	__chkstk:NEAR
-EXTRN	ffi_closure_SYSV:NEAR
-
-_TEXT	SEGMENT
-
-;;; ffi_closure_OUTER will be called with these registers set:
-;;;    rax points to 'closure'
-;;;    r11 contains a bit mask that specifies which of the
-;;;    first four parameters are float or double
-;;;
-;;; It must move the parameters passed in registers to their stack location,
-;;; call ffi_closure_SYSV for the actual work, then return the result.
-;;; 
-ffi_closure_OUTER PROC FRAME
-	;; save actual arguments to their stack space.
-	test	r11, 1
-	jne	first_is_float	
-	mov	QWORD PTR [rsp+8], rcx
-	jmp	second
-first_is_float:
-	movlpd	QWORD PTR [rsp+8], xmm0
-
-second:
-	test	r11, 2
-	jne	second_is_float	
-	mov	QWORD PTR [rsp+16], rdx
-	jmp	third
-second_is_float:
-	movlpd	QWORD PTR [rsp+16], xmm1
-
-third:
-	test	r11, 4
-	jne	third_is_float	
-	mov	QWORD PTR [rsp+24], r8
-	jmp	forth
-third_is_float:
-	movlpd	QWORD PTR [rsp+24], xmm2
-
-forth:
-	test	r11, 8
-	jne	forth_is_float	
-	mov	QWORD PTR [rsp+32], r9
-	jmp	done
-forth_is_float:
-	movlpd	QWORD PTR [rsp+32], xmm3
-
-done:
-.ALLOCSTACK 40
-	sub	rsp, 40
-.ENDPROLOG
-	mov	rcx, rax	; context is first parameter
-	mov	rdx, rsp	; stack is second parameter
-	add	rdx, 40		; correct our own area
-	mov	rax, ffi_closure_SYSV
-	call	rax		; call the real closure function
-	;; Here, code is missing that handles float return values
-	add	rsp, 40
-	movd	xmm0, rax	; In case the closure returned a float.
-	ret	0
-ffi_closure_OUTER ENDP
-
-
-;;; ffi_call_AMD64
-
-stack$ = 0
-prepfunc$ = 32
-ecif$ = 40
-bytes$ = 48
-flags$ = 56
-rvalue$ = 64
-fn$ = 72
-
-ffi_call_AMD64 PROC FRAME
-
-	mov	QWORD PTR [rsp+32], r9
-	mov	QWORD PTR [rsp+24], r8
-	mov	QWORD PTR [rsp+16], rdx
-	mov	QWORD PTR [rsp+8], rcx
-.PUSHREG rbp
-	push	rbp
-.ALLOCSTACK 48
-	sub	rsp, 48					; 00000030H
-.SETFRAME rbp, 32
-	lea	rbp, QWORD PTR [rsp+32]
-.ENDPROLOG
-
-	mov	eax, DWORD PTR bytes$[rbp]
-	add	rax, 15
-	and	rax, -16
-	call	__chkstk
-	sub	rsp, rax
-	lea	rax, QWORD PTR [rsp+32]
-	mov	QWORD PTR stack$[rbp], rax
-
-	mov	rdx, QWORD PTR ecif$[rbp]
-	mov	rcx, QWORD PTR stack$[rbp]
-	call	QWORD PTR prepfunc$[rbp]
-
-	mov	rsp, QWORD PTR stack$[rbp]
-
-	movlpd	xmm3, QWORD PTR [rsp+24]
-	movd	r9, xmm3
-
-	movlpd	xmm2, QWORD PTR [rsp+16]
-	movd	r8, xmm2
-
-	movlpd	xmm1, QWORD PTR [rsp+8]
-	movd	rdx, xmm1
-
-	movlpd	xmm0, QWORD PTR [rsp]
-	movd	rcx, xmm0
-
-	call	QWORD PTR fn$[rbp]
-ret_int$:
- 	cmp	DWORD PTR flags$[rbp], 1 ; FFI_TYPE_INT
- 	jne	ret_float$
-
-	mov	rcx, QWORD PTR rvalue$[rbp]
-	mov	DWORD PTR [rcx], eax
-	jmp	SHORT ret_nothing$
-
-ret_float$:
- 	cmp	DWORD PTR flags$[rbp], 2 ; FFI_TYPE_FLOAT
- 	jne	SHORT ret_double$
-
- 	mov	rax, QWORD PTR rvalue$[rbp]
- 	movlpd	QWORD PTR [rax], xmm0
- 	jmp	SHORT ret_nothing$
-
-ret_double$:
- 	cmp	DWORD PTR flags$[rbp], 3 ; FFI_TYPE_DOUBLE
- 	jne	SHORT ret_int64$
-
- 	mov	rax, QWORD PTR rvalue$[rbp]
- 	movlpd	QWORD PTR [rax], xmm0
- 	jmp	SHORT ret_nothing$
-
-ret_int64$:
-  	cmp	DWORD PTR flags$[rbp], 12 ; FFI_TYPE_SINT64
-  	jne	ret_nothing$
-
- 	mov	rcx, QWORD PTR rvalue$[rbp]
- 	mov	QWORD PTR [rcx], rax
- 	jmp	SHORT ret_nothing$
-	
-ret_nothing$:
-	xor	eax, eax
-
-	lea	rsp, QWORD PTR [rbp+16]
-	pop	rbp
-	ret	0
-ffi_call_AMD64 ENDP
-_TEXT	ENDS
-END