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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libffi/] [src/] [sh/] [ffi.c] - Blame information for rev 746

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1 732 jeremybenn 
/* -----------------------------------------------------------------------
2 
   ffi.c - Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008 Kaz Kojima
3 
           Copyright (c) 2008 Red Hat, Inc.
4 
 
5 
   SuperH Foreign Function Interface
6 
 
7 
   Permission is hereby granted, free of charge, to any person obtaining
8 
   a copy of this software and associated documentation files (the
9 
   ``Software''), to deal in the Software without restriction, including
10 
   without limitation the rights to use, copy, modify, merge, publish,
11 
   distribute, sublicense, and/or sell copies of the Software, and to
12 
   permit persons to whom the Software is furnished to do so, subject to
13 
   the following conditions:
14 
 
15 
   The above copyright notice and this permission notice shall be included
16 
   in all copies or substantial portions of the Software.
17 
 
18 
   THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
19 
   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 
   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
21 
   NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
22 
   HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
23 
   WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24 
   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
25 
   DEALINGS IN THE SOFTWARE.
26 
   ----------------------------------------------------------------------- */
27 
 
28 
#include <ffi.h>
29 
#include <ffi_common.h>
30 
 
31 
#include <stdlib.h>
32 
 
33 
#define NGREGARG 4
34 
#if defined(__SH4__)
35 
#define NFREGARG 8
36 
#endif
37 
 
38 
#if defined(__HITACHI__)
39 
#define STRUCT_VALUE_ADDRESS_WITH_ARG 1
40 
#else
41 
#define STRUCT_VALUE_ADDRESS_WITH_ARG 0
42 
#endif
43 
 
44 
/* If the structure has essentialy an unique element, return its type.  */
45 
static int
46 
simple_type (ffi_type *arg)
47 
{
48 
  if (arg->type != FFI_TYPE_STRUCT)
49 
    return arg->type;
50 
  else if (arg->elements[1])
51 
    return FFI_TYPE_STRUCT;
52 
 
53 
  return simple_type (arg->elements[0]);
54 
}
55 
 
56 
static int
57 
return_type (ffi_type *arg)
58 
{
59 
  unsigned short type;
60 
 
61 
  if (arg->type != FFI_TYPE_STRUCT)
62 
    return arg->type;
63 
 
64 
  type = simple_type (arg->elements[0]);
65 
  if (! arg->elements[1])
66 
    {
67 
      switch (type)
68 
        {
69 
        case FFI_TYPE_SINT8:
70 
        case FFI_TYPE_UINT8:
71 
        case FFI_TYPE_SINT16:
72 
        case FFI_TYPE_UINT16:
73 
        case FFI_TYPE_SINT32:
74 
        case FFI_TYPE_UINT32:
75 
          return FFI_TYPE_INT;
76 
 
77 
        default:
78 
          return type;
79 
        }
80 
    }
81 
 
82 
  /* gcc uses r0/r1 pair for some kind of structures.  */
83 
  if (arg->size <= 2 * sizeof (int))
84 
    {
85 
      int i = 0;
86 
      ffi_type *e;
87 
 
88 
      while ((e = arg->elements[i++]))
89 
        {
90 
          type = simple_type (e);
91 
          switch (type)
92 
            {
93 
            case FFI_TYPE_SINT32:
94 
            case FFI_TYPE_UINT32:
95 
            case FFI_TYPE_INT:
96 
            case FFI_TYPE_FLOAT:
97 
              return FFI_TYPE_UINT64;
98 
 
99 
            default:
100 
              break;
101 
            }
102 
        }
103 
    }
104 
 
105 
  return FFI_TYPE_STRUCT;
106 
}
107 
 
108 
/* ffi_prep_args is called by the assembly routine once stack space
109 
   has been allocated for the function's arguments */
110 
 
111 
void ffi_prep_args(char *stack, extended_cif *ecif)
112 
{
113 
  register unsigned int i;
114 
  register int tmp;
115 
  register unsigned int avn;
116 
  register void **p_argv;
117 
  register char *argp;
118 
  register ffi_type **p_arg;
119 
  int greg, ireg;
120 
#if defined(__SH4__)
121 
  int freg = 0;
122 
#endif
123 
 
124 
  tmp = 0;
125 
  argp = stack;
126 
 
127 
  if (return_type (ecif->cif->rtype) == FFI_TYPE_STRUCT)
128 
    {
129 
      *(void **) argp = ecif->rvalue;
130 
      argp += 4;
131 
      ireg = STRUCT_VALUE_ADDRESS_WITH_ARG ? 1 : 0;
132 
    }
133 
  else
134 
    ireg = 0;
135 
 
136 
  /* Set arguments for registers.  */
137 
  greg = ireg;
138 
  avn = ecif->cif->nargs;
139 
  p_argv = ecif->avalue;
140 
 
141 
  for (i = 0, p_arg = ecif->cif->arg_types; i < avn; i++, p_arg++, p_argv++)
142 
    {
143 
      size_t z;
144 
 
145 
      z = (*p_arg)->size;
146 
      if (z < sizeof(int))
147 
        {
148 
          if (greg++ >= NGREGARG)
149 
            continue;
150 
 
151 
          z = sizeof(int);
152 
          switch ((*p_arg)->type)
153 
            {
154 
            case FFI_TYPE_SINT8:
155 
              *(signed int *) argp = (signed int)*(SINT8 *)(* p_argv);
156 
              break;
157 
 
158 
            case FFI_TYPE_UINT8:
159 
              *(unsigned int *) argp = (unsigned int)*(UINT8 *)(* p_argv);
160 
              break;
161 
 
162 
            case FFI_TYPE_SINT16:
163 
              *(signed int *) argp = (signed int)*(SINT16 *)(* p_argv);
164 
              break;
165 
 
166 
            case FFI_TYPE_UINT16:
167 
              *(unsigned int *) argp = (unsigned int)*(UINT16 *)(* p_argv);
168 
              break;
169 
 
170 
            case FFI_TYPE_STRUCT:
171 
              *(unsigned int *) argp = (unsigned int)*(UINT32 *)(* p_argv);
172 
              break;
173 
 
174 
            default:
175 
              FFI_ASSERT(0);
176 
            }
177 
          argp += z;
178 
        }
179 
      else if (z == sizeof(int))
180 
        {
181 
#if defined(__SH4__)
182 
          if ((*p_arg)->type == FFI_TYPE_FLOAT)
183 
            {
184 
              if (freg++ >= NFREGARG)
185 
                continue;
186 
            }
187 
          else
188 
#endif
189 
            {
190 
              if (greg++ >= NGREGARG)
191 
                continue;
192 
            }
193 
          *(unsigned int *) argp = (unsigned int)*(UINT32 *)(* p_argv);
194 
          argp += z;
195 
        }
196 
#if defined(__SH4__)
197 
      else if ((*p_arg)->type == FFI_TYPE_DOUBLE)
198 
        {
199 
          if (freg + 1 >= NFREGARG)
200 
            continue;
201 
          freg = (freg + 1) & ~1;
202 
          freg += 2;
203 
          memcpy (argp, *p_argv, z);
204 
          argp += z;
205 
        }
206 
#endif
207 
      else
208 
        {
209 
          int n = (z + sizeof (int) - 1) / sizeof (int);
210 
#if defined(__SH4__)
211 
          if (greg + n - 1 >= NGREGARG)
212 
            continue;
213 
#else
214 
          if (greg >= NGREGARG)
215 
            continue;
216 
#endif
217 
          greg += n;
218 
          memcpy (argp, *p_argv, z);
219 
          argp += n * sizeof (int);
220 
        }
221 
    }
222 
 
223 
  /* Set arguments on stack.  */
224 
  greg = ireg;
225 
#if defined(__SH4__)
226 
  freg = 0;
227 
#endif
228 
  p_argv = ecif->avalue;
229 
 
230 
  for (i = 0, p_arg = ecif->cif->arg_types; i < avn; i++, p_arg++, p_argv++)
231 
    {
232 
      size_t z;
233 
 
234 
      z = (*p_arg)->size;
235 
      if (z < sizeof(int))
236 
        {
237 
          if (greg++ < NGREGARG)
238 
            continue;
239 
 
240 
          z = sizeof(int);
241 
          switch ((*p_arg)->type)
242 
            {
243 
            case FFI_TYPE_SINT8:
244 
              *(signed int *) argp = (signed int)*(SINT8 *)(* p_argv);
245 
              break;
246 
 
247 
            case FFI_TYPE_UINT8:
248 
              *(unsigned int *) argp = (unsigned int)*(UINT8 *)(* p_argv);
249 
              break;
250 
 
251 
            case FFI_TYPE_SINT16:
252 
              *(signed int *) argp = (signed int)*(SINT16 *)(* p_argv);
253 
              break;
254 
 
255 
            case FFI_TYPE_UINT16:
256 
              *(unsigned int *) argp = (unsigned int)*(UINT16 *)(* p_argv);
257 
              break;
258 
 
259 
            case FFI_TYPE_STRUCT:
260 
              *(unsigned int *) argp = (unsigned int)*(UINT32 *)(* p_argv);
261 
              break;
262 
 
263 
            default:
264 
              FFI_ASSERT(0);
265 
            }
266 
          argp += z;
267 
        }
268 
      else if (z == sizeof(int))
269 
        {
270 
#if defined(__SH4__)
271 
          if ((*p_arg)->type == FFI_TYPE_FLOAT)
272 
            {
273 
              if (freg++ < NFREGARG)
274 
                continue;
275 
            }
276 
          else
277 
#endif
278 
            {
279 
              if (greg++ < NGREGARG)
280 
                continue;
281 
            }
282 
          *(unsigned int *) argp = (unsigned int)*(UINT32 *)(* p_argv);
283 
          argp += z;
284 
        }
285 
#if defined(__SH4__)
286 
      else if ((*p_arg)->type == FFI_TYPE_DOUBLE)
287 
        {
288 
          if (freg + 1 < NFREGARG)
289 
            {
290 
              freg = (freg + 1) & ~1;
291 
              freg += 2;
292 
              continue;
293 
            }
294 
          memcpy (argp, *p_argv, z);
295 
          argp += z;
296 
        }
297 
#endif
298 
      else
299 
        {
300 
          int n = (z + sizeof (int) - 1) / sizeof (int);
301 
          if (greg + n - 1 < NGREGARG)
302 
            {
303 
              greg += n;
304 
              continue;
305 
            }
306 
#if (! defined(__SH4__))
307 
          else if (greg < NGREGARG)
308 
            {
309 
              greg = NGREGARG;
310 
              continue;
311 
            }
312 
#endif
313 
          memcpy (argp, *p_argv, z);
314 
          argp += n * sizeof (int);
315 
        }
316 
    }
317 
 
318 
  return;
319 
}
320 
 
321 
/* Perform machine dependent cif processing */
322 
ffi_status ffi_prep_cif_machdep(ffi_cif *cif)
323 
{
324 
  int i, j;
325 
  int size, type;
326 
  int n, m;
327 
  int greg;
328 
#if defined(__SH4__)
329 
  int freg = 0;
330 
#endif
331 
 
332 
  cif->flags = 0;
333 
 
334 
  greg = ((return_type (cif->rtype) == FFI_TYPE_STRUCT) &&
335 
          STRUCT_VALUE_ADDRESS_WITH_ARG) ? 1 : 0;
336 
 
337 
#if defined(__SH4__)
338 
  for (i = j = 0; i < cif->nargs && j < 12; i++)
339 
    {
340 
      type = (cif->arg_types)[i]->type;
341 
      switch (type)
342 
        {
343 
        case FFI_TYPE_FLOAT:
344 
          if (freg >= NFREGARG)
345 
            continue;
346 
          freg++;
347 
          cif->flags += ((cif->arg_types)[i]->type) << (2 * j);
348 
          j++;
349 
          break;
350 
 
351 
        case FFI_TYPE_DOUBLE:
352 
          if ((freg + 1) >= NFREGARG)
353 
            continue;
354 
          freg = (freg + 1) & ~1;
355 
          freg += 2;
356 
          cif->flags += ((cif->arg_types)[i]->type) << (2 * j);
357 
          j++;
358 
          break;
359 
 
360 
        default:
361 
          size = (cif->arg_types)[i]->size;
362 
          n = (size + sizeof (int) - 1) / sizeof (int);
363 
          if (greg + n - 1 >= NGREGARG)
364 
                continue;
365 
          greg += n;
366 
          for (m = 0; m < n; m++)
367 
            cif->flags += FFI_TYPE_INT << (2 * j++);
368 
          break;
369 
        }
370 
    }
371 
#else
372 
  for (i = j = 0; i < cif->nargs && j < 4; i++)
373 
    {
374 
      size = (cif->arg_types)[i]->size;
375 
      n = (size + sizeof (int) - 1) / sizeof (int);
376 
      if (greg >= NGREGARG)
377 
        continue;
378 
      else if (greg + n - 1 >= NGREGARG)
379 
        n = NGREGARG - greg;
380 
      greg += n;
381 
      for (m = 0; m < n; m++)
382 
        cif->flags += FFI_TYPE_INT << (2 * j++);
383 
    }
384 
#endif
385 
 
386 
  /* Set the return type flag */
387 
  switch (cif->rtype->type)
388 
    {
389 
    case FFI_TYPE_STRUCT:
390 
      cif->flags += (unsigned) (return_type (cif->rtype)) << 24;
391 
      break;
392 
 
393 
    case FFI_TYPE_VOID:
394 
    case FFI_TYPE_FLOAT:
395 
    case FFI_TYPE_DOUBLE:
396 
    case FFI_TYPE_SINT64:
397 
    case FFI_TYPE_UINT64:
398 
      cif->flags += (unsigned) cif->rtype->type << 24;
399 
      break;
400 
 
401 
    default:
402 
      cif->flags += FFI_TYPE_INT << 24;
403 
      break;
404 
    }
405 
 
406 
  return FFI_OK;
407 
}
408 
 
409 
extern void ffi_call_SYSV(void (*)(char *, extended_cif *), extended_cif *,
410 
                          unsigned, unsigned, unsigned *, void (*fn)(void));
411 
 
412 
void ffi_call(ffi_cif *cif, void (*fn)(void), void *rvalue, void **avalue)
413 
{
414 
  extended_cif ecif;
415 
  UINT64 trvalue;
416 
 
417 
  ecif.cif = cif;
418 
  ecif.avalue = avalue;
419 
 
420 
  /* If the return value is a struct and we don't have a return */
421 
  /* value address then we need to make one                     */
422 
 
423 
  if (cif->rtype->type == FFI_TYPE_STRUCT
424 
      && return_type (cif->rtype) != FFI_TYPE_STRUCT)
425 
    ecif.rvalue = &trvalue;
426 
  else if ((rvalue == NULL) &&
427 
      (cif->rtype->type == FFI_TYPE_STRUCT))
428 
    {
429 
      ecif.rvalue = alloca(cif->rtype->size);
430 
    }
431 
  else
432 
    ecif.rvalue = rvalue;
433 
 
434 
  switch (cif->abi)
435 
    {
436 
    case FFI_SYSV:
437 
      ffi_call_SYSV(ffi_prep_args, &ecif, cif->bytes, cif->flags, ecif.rvalue,
438 
                    fn);
439 
      break;
440 
    default:
441 
      FFI_ASSERT(0);
442 
      break;
443 
    }
444 
 
445 
  if (rvalue
446 
      && cif->rtype->type == FFI_TYPE_STRUCT
447 
      && return_type (cif->rtype) != FFI_TYPE_STRUCT)
448 
    memcpy (rvalue, &trvalue, cif->rtype->size);
449 
}
450 
 
451 
extern void ffi_closure_SYSV (void);
452 
#if defined(__SH4__)
453 
extern void __ic_invalidate (void *line);
454 
#endif
455 
 
456 
ffi_status
457 
ffi_prep_closure_loc (ffi_closure* closure,
458 
                      ffi_cif* cif,
459 
                      void (*fun)(ffi_cif*, void*, void**, void*),
460 
                      void *user_data,
461 
                      void *codeloc)
462 
{
463 
  unsigned int *tramp;
464 
  unsigned int insn;
465 
 
466 
  FFI_ASSERT (cif->abi == FFI_GCC_SYSV);
467 
 
468 
  tramp = (unsigned int *) &closure->tramp[0];
469 
  /* Set T bit if the function returns a struct pointed with R2.  */
470 
  insn = (return_type (cif->rtype) == FFI_TYPE_STRUCT
471 
          ? 0x0018 /* sett */
472 
          : 0x0008 /* clrt */);
473 
 
474 
#ifdef __LITTLE_ENDIAN__
475 
  tramp[0] = 0xd301d102;
476 
  tramp[1] = 0x0000412b | (insn << 16);
477 
#else
478 
  tramp[0] = 0xd102d301;
479 
  tramp[1] = 0x412b0000 | insn;
480 
#endif
481 
  *(void **) &tramp[2] = (void *)codeloc;          /* ctx */
482 
  *(void **) &tramp[3] = (void *)ffi_closure_SYSV; /* funaddr */
483 
 
484 
  closure->cif = cif;
485 
  closure->fun = fun;
486 
  closure->user_data = user_data;
487 
 
488 
#if defined(__SH4__)
489 
  /* Flush the icache.  */
490 
  __ic_invalidate(codeloc);
491 
#endif
492 
 
493 
  return FFI_OK;
494 
}
495 
 
496 
/* Basically the trampoline invokes ffi_closure_SYSV, and on
497 
 * entry, r3 holds the address of the closure.
498 
 * After storing the registers that could possibly contain
499 
 * parameters to be passed into the stack frame and setting
500 
 * up space for a return value, ffi_closure_SYSV invokes the
501 
 * following helper function to do most of the work.
502 
 */
503 
 
504 
#ifdef __LITTLE_ENDIAN__
505 
#define OFS_INT8        0
506 
#define OFS_INT16       0
507 
#else
508 
#define OFS_INT8        3
509 
#define OFS_INT16       2
510 
#endif
511 
 
512 
int
513 
ffi_closure_helper_SYSV (ffi_closure *closure, void *rvalue,
514 
                         unsigned long *pgr, unsigned long *pfr,
515 
                         unsigned long *pst)
516 
{
517 
  void **avalue;
518 
  ffi_type **p_arg;
519 
  int i, avn;
520 
  int ireg, greg = 0;
521 
#if defined(__SH4__)
522 
  int freg = 0;
523 
#endif
524 
  ffi_cif *cif;
525 
 
526 
  cif = closure->cif;
527 
  avalue = alloca(cif->nargs * sizeof(void *));
528 
 
529 
  /* Copy the caller's structure return value address so that the closure
530 
     returns the data directly to the caller.  */
531 
  if (cif->rtype->type == FFI_TYPE_STRUCT && STRUCT_VALUE_ADDRESS_WITH_ARG)
532 
    {
533 
      rvalue = (void *) *pgr++;
534 
      ireg = 1;
535 
    }
536 
  else
537 
    ireg = 0;
538 
 
539 
  cif = closure->cif;
540 
  greg = ireg;
541 
  avn = cif->nargs;
542 
 
543 
  /* Grab the addresses of the arguments from the stack frame.  */
544 
  for (i = 0, p_arg = cif->arg_types; i < avn; i++, p_arg++)
545 
    {
546 
      size_t z;
547 
 
548 
      z = (*p_arg)->size;
549 
      if (z < sizeof(int))
550 
        {
551 
          if (greg++ >= NGREGARG)
552 
            continue;
553 
 
554 
          z = sizeof(int);
555 
          switch ((*p_arg)->type)
556 
            {
557 
            case FFI_TYPE_SINT8:
558 
            case FFI_TYPE_UINT8:
559 
              avalue[i] = (((char *)pgr) + OFS_INT8);
560 
              break;
561 
 
562 
            case FFI_TYPE_SINT16:
563 
            case FFI_TYPE_UINT16:
564 
              avalue[i] = (((char *)pgr) + OFS_INT16);
565 
              break;
566 
 
567 
            case FFI_TYPE_STRUCT:
568 
              avalue[i] = pgr;
569 
              break;
570 
 
571 
            default:
572 
              FFI_ASSERT(0);
573 
            }
574 
          pgr++;
575 
        }
576 
      else if (z == sizeof(int))
577 
        {
578 
#if defined(__SH4__)
579 
          if ((*p_arg)->type == FFI_TYPE_FLOAT)
580 
            {
581 
              if (freg++ >= NFREGARG)
582 
                continue;
583 
              avalue[i] = pfr;
584 
              pfr++;
585 
            }
586 
          else
587 
#endif
588 
            {
589 
              if (greg++ >= NGREGARG)
590 
                continue;
591 
              avalue[i] = pgr;
592 
              pgr++;
593 
            }
594 
        }
595 
#if defined(__SH4__)
596 
      else if ((*p_arg)->type == FFI_TYPE_DOUBLE)
597 
        {
598 
          if (freg + 1 >= NFREGARG)
599 
            continue;
600 
          if (freg & 1)
601 
            pfr++;
602 
          freg = (freg + 1) & ~1;
603 
          freg += 2;
604 
          avalue[i] = pfr;
605 
          pfr += 2;
606 
        }
607 
#endif
608 
      else
609 
        {
610 
          int n = (z + sizeof (int) - 1) / sizeof (int);
611 
#if defined(__SH4__)
612 
          if (greg + n - 1 >= NGREGARG)
613 
            continue;
614 
#else
615 
          if (greg >= NGREGARG)
616 
            continue;
617 
#endif
618 
          greg += n;
619 
          avalue[i] = pgr;
620 
          pgr += n;
621 
        }
622 
    }
623 
 
624 
  greg = ireg;
625 
#if defined(__SH4__)
626 
  freg = 0;
627 
#endif
628 
 
629 
  for (i = 0, p_arg = cif->arg_types; i < avn; i++, p_arg++)
630 
    {
631 
      size_t z;
632 
 
633 
      z = (*p_arg)->size;
634 
      if (z < sizeof(int))
635 
        {
636 
          if (greg++ < NGREGARG)
637 
            continue;
638 
 
639 
          z = sizeof(int);
640 
          switch ((*p_arg)->type)
641 
            {
642 
            case FFI_TYPE_SINT8:
643 
            case FFI_TYPE_UINT8:
644 
              avalue[i] = (((char *)pst) + OFS_INT8);
645 
              break;
646 
 
647 
            case FFI_TYPE_SINT16:
648 
            case FFI_TYPE_UINT16:
649 
              avalue[i] = (((char *)pst) + OFS_INT16);
650 
              break;
651 
 
652 
            case FFI_TYPE_STRUCT:
653 
              avalue[i] = pst;
654 
              break;
655 
 
656 
            default:
657 
              FFI_ASSERT(0);
658 
            }
659 
          pst++;
660 
        }
661 
      else if (z == sizeof(int))
662 
        {
663 
#if defined(__SH4__)
664 
          if ((*p_arg)->type == FFI_TYPE_FLOAT)
665 
            {
666 
              if (freg++ < NFREGARG)
667 
                continue;
668 
            }
669 
          else
670 
#endif
671 
            {
672 
              if (greg++ < NGREGARG)
673 
                continue;
674 
            }
675 
          avalue[i] = pst;
676 
          pst++;
677 
        }
678 
#if defined(__SH4__)
679 
      else if ((*p_arg)->type == FFI_TYPE_DOUBLE)
680 
        {
681 
          if (freg + 1 < NFREGARG)
682 
            {
683 
              freg = (freg + 1) & ~1;
684 
              freg += 2;
685 
              continue;
686 
            }
687 
          avalue[i] = pst;
688 
          pst += 2;
689 
        }
690 
#endif
691 
      else
692 
        {
693 
          int n = (z + sizeof (int) - 1) / sizeof (int);
694 
          if (greg + n - 1 < NGREGARG)
695 
            {
696 
              greg += n;
697 
              continue;
698 
            }
699 
#if (! defined(__SH4__))
700 
          else if (greg < NGREGARG)
701 
            {
702 
              greg += n;
703 
              pst += greg - NGREGARG;
704 
              continue;
705 
            }
706 
#endif
707 
          avalue[i] = pst;
708 
          pst += n;
709 
        }
710 
    }
711 
 
712 
  (closure->fun) (cif, rvalue, avalue, closure->user_data);
713 
 
714 
  /* Tell ffi_closure_SYSV how to perform return type promotions.  */
715 
  return return_type (cif->rtype);
716 
}

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