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/* Area:        ffi_call

   Purpose:     Check structures with fastcall/thiscall convention.

   Limitations: none.

   PR:          none.

   Originator:  From the original ffitest.c  */

/* { dg-do run { target i?86-*-cygwin* i?86-*-mingw* } } */

#include "ffitest.h"

typedef struct

{

  unsigned char uc;

  double d;

  unsigned int ui;

} test_structure_1;

static __attribute__ ((fastcall)) test_structure_1 struct1(test_structure_1 ts)

{

  ts.uc++;

  ts.d--;

  ts.ui++;

  return ts;

}

int main (void)

{

  ffi_cif cif;

  ffi_type *args[MAX_ARGS];

  void *values[MAX_ARGS];

  ffi_type ts1_type;

  ffi_type *ts1_type_elements[4];

  ts1_type.size = 0;

  ts1_type.alignment = 0;

  ts1_type.type = FFI_TYPE_STRUCT;

  ts1_type.elements = ts1_type_elements;

  ts1_type_elements[0] = &ffi_type_uchar;

  ts1_type_elements[1] = &ffi_type_double;

  ts1_type_elements[2] = &ffi_type_uint;

  ts1_type_elements[3] = NULL;

  test_structure_1 ts1_arg;

  /* This is a hack to get a properly aligned result buffer */

  test_structure_1 *ts1_result =

    (test_structure_1 *) malloc (sizeof(test_structure_1));

  args[0] = &ts1_type;

  values[0] = &ts1_arg;

  /* Initialize the cif */

  CHECK(ffi_prep_cif(&cif, FFI_FASTCALL, 1,

                     &ts1_type, args) == FFI_OK);

  ts1_arg.uc = '\x01';

  ts1_arg.d = 3.14159;

  ts1_arg.ui = 555;

  ffi_call(&cif, FFI_FN(struct1), ts1_result, values);

  CHECK(ts1_result->ui == 556);

  CHECK(ts1_result->d == 3.14159 - 1);

  free (ts1_result);

  exit(0);

}