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    float f3;
      14    float f4;
      15  } test_structure_8;
      16  
      17  static test_structure_8 ABI_ATTR struct8 (test_structure_8 ts)
      18  {
      19    ts.f1 += 1;
      20    ts.f2 += 1;
      21    ts.f3 += 1;
      22    ts.f4 += 1;
      23  
      24    return ts;
      25  }
      26  
      27  int main (void)
      28  {
      29    ffi_cif cif;
      30    ffi_type *args[MAX_ARGS];
      31    void *values[MAX_ARGS];
      32    ffi_type ts8_type;
      33    ffi_type *ts8_type_elements[5];
      34  
      35    test_structure_8 ts8_arg;
      36  
      37    /* This is a hack to get a properly aligned result buffer */
      38    test_structure_8 *ts8_result =
      39      (test_structure_8 *) malloc (sizeof(test_structure_8));
      40  
      41    ts8_type.size = 0;
      42    ts8_type.alignment = 0;
      43    ts8_type.type = FFI_TYPE_STRUCT;
      44    ts8_type.elements = ts8_type_elements;
      45    ts8_type_elements[0] = &ffi_type_float;
      46    ts8_type_elements[1] = &ffi_type_float;
      47    ts8_type_elements[2] = &ffi_type_float;
      48    ts8_type_elements[3] = &ffi_type_float;
      49    ts8_type_elements[4] = NULL;
      50  
      51    args[0] = &ts8_type;
      52    values[0] = &ts8_arg;
      53    
      54    /* Initialize the cif */
      55    CHECK(ffi_prep_cif(&cif, ABI_NUM, 1, &ts8_type, args) == FFI_OK);
      56    
      57    ts8_arg.f1 = 5.55f;
      58    ts8_arg.f2 = 55.5f;
      59    ts8_arg.f3 = -5.55f;
      60    ts8_arg.f4 = -55.5f;
      61  
      62    printf ("%g\n", ts8_arg.f1);
      63    printf ("%g\n", ts8_arg.f2);
      64    printf ("%g\n", ts8_arg.f3);
      65    printf ("%g\n", ts8_arg.f4);
      66    
      67    ffi_call(&cif, FFI_FN(struct8), ts8_result, values);
      68  
      69    printf ("%g\n", ts8_result->f1);
      70    printf ("%g\n", ts8_result->f2);
      71    printf ("%g\n", ts8_result->f3);
      72    printf ("%g\n", ts8_result->f4);
      73    
      74    CHECK(ts8_result->f1 == 5.55f + 1);
      75    CHECK(ts8_result->f2 == 55.5f + 1);
      76    CHECK(ts8_result->f3 == -5.55f + 1);
      77    CHECK(ts8_result->f4 == -55.5f + 1);
      78    
      79    free (ts8_result);
      80    exit(0);
      81  }