1  /* Area:	ffi_call
       2     Purpose:	Check structures.
       3     Limitations:	none.
       4     PR:		none.
       5     Originator:	From the original ffitest.c  */
       6  
       7  /* { dg-do run } */
       8  #include "ffitest.h"
       9  typedef struct
      10  {
      11    float f1;
      12    float f2;
      13    double d;
      14  } test_structure_7;
      15  
      16  static test_structure_7 ABI_ATTR struct7 (test_structure_7 ts)
      17  {
      18    ts.f1 += 1;
      19    ts.f2 += 1;
      20    ts.d += 1;
      21  
      22    return ts;
      23  }
      24  
      25  int main (void)
      26  {
      27    ffi_cif cif;
      28    ffi_type *args[MAX_ARGS];
      29    void *values[MAX_ARGS];
      30    ffi_type ts7_type;
      31    ffi_type *ts7_type_elements[4];
      32  
      33    test_structure_7 ts7_arg;
      34  
      35    /* This is a hack to get a properly aligned result buffer */
      36    test_structure_7 *ts7_result =
      37      (test_structure_7 *) malloc (sizeof(test_structure_7));
      38  
      39    ts7_type.size = 0;
      40    ts7_type.alignment = 0;
      41    ts7_type.type = FFI_TYPE_STRUCT;
      42    ts7_type.elements = ts7_type_elements;
      43    ts7_type_elements[0] = &ffi_type_float;
      44    ts7_type_elements[1] = &ffi_type_float;
      45    ts7_type_elements[2] = &ffi_type_double;
      46    ts7_type_elements[3] = NULL;
      47  
      48    args[0] = &ts7_type;
      49    values[0] = &ts7_arg;
      50    
      51    /* Initialize the cif */
      52    CHECK(ffi_prep_cif(&cif, ABI_NUM, 1, &ts7_type, args) == FFI_OK);
      53    
      54    ts7_arg.f1 = 5.55f;
      55    ts7_arg.f2 = 55.5f;
      56    ts7_arg.d = 6.66;
      57  
      58    printf ("%g\n", ts7_arg.f1);
      59    printf ("%g\n", ts7_arg.f2);
      60    printf ("%g\n", ts7_arg.d);
      61    
      62    ffi_call(&cif, FFI_FN(struct7), ts7_result, values);
      63  
      64    printf ("%g\n", ts7_result->f1);
      65    printf ("%g\n", ts7_result->f2);
      66    printf ("%g\n", ts7_result->d);
      67    
      68    CHECK(ts7_result->f1 == 5.55f + 1);
      69    CHECK(ts7_result->f2 == 55.5f + 1);
      70    CHECK(ts7_result->d == 6.66 + 1);
      71    
      72    free (ts7_result);
      73    exit(0);
      74  }