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  
      10  typedef struct
      11  {
      12    int si;
      13  } test_structure_3;
      14  
      15  static test_structure_3 ABI_ATTR struct3(test_structure_3 ts)
      16  {
      17    ts.si = -(ts.si*2);
      18  
      19    return ts;
      20  }
      21  
      22  int main (void)
      23  {
      24    ffi_cif cif;
      25    ffi_type *args[MAX_ARGS];
      26    void *values[MAX_ARGS];
      27    int compare_value;
      28    ffi_type ts3_type;
      29    ffi_type *ts3_type_elements[2];
      30  
      31    test_structure_3 ts3_arg;
      32    test_structure_3 *ts3_result =
      33      (test_structure_3 *) malloc (sizeof(test_structure_3));
      34  
      35    ts3_type.size = 0;
      36    ts3_type.alignment = 0;
      37    ts3_type.type = FFI_TYPE_STRUCT;
      38    ts3_type.elements = ts3_type_elements;
      39    ts3_type_elements[0] = &ffi_type_sint;
      40    ts3_type_elements[1] = NULL;
      41  
      42    args[0] = &ts3_type;
      43    values[0] = &ts3_arg;
      44    
      45    /* Initialize the cif */
      46    CHECK(ffi_prep_cif(&cif, ABI_NUM, 1,
      47  		     &ts3_type, args) == FFI_OK);
      48    
      49    ts3_arg.si = -123;
      50    compare_value = ts3_arg.si;
      51    
      52    ffi_call(&cif, FFI_FN(struct3), ts3_result, values);
      53    
      54    printf ("%d %d\n", ts3_result->si, -(compare_value*2));
      55    
      56    CHECK(ts3_result->si == -(compare_value*2));
      57   
      58    free (ts3_result);
      59    exit(0);
      60  }