1  /* Area:		Struct layout
       2     Purpose:		Test ffi_get_struct_offsets
       3     Limitations:		none.
       4     PR:			none.
       5     Originator: 		Tom Tromey. */
       6  
       7  /* { dg-do run } */
       8  #include "ffitest.h"
       9  #include <stddef.h>
      10  
      11  struct test_1
      12  {
      13    char c;
      14    float f;
      15    char c2;
      16    int i;
      17  };
      18  
      19  int
      20  main (void)
      21  {
      22    ffi_type test_1_type;
      23    ffi_type *test_1_elements[5];
      24    size_t test_1_offsets[4];
      25  
      26    test_1_elements[0] = &ffi_type_schar;
      27    test_1_elements[1] = &ffi_type_float;
      28    test_1_elements[2] = &ffi_type_schar;
      29    test_1_elements[3] = &ffi_type_sint;
      30    test_1_elements[4] = NULL;
      31  
      32    test_1_type.size = 0;
      33    test_1_type.alignment = 0;
      34    test_1_type.type = FFI_TYPE_STRUCT;
      35    test_1_type.elements = test_1_elements;
      36  
      37    CHECK (ffi_get_struct_offsets (FFI_DEFAULT_ABI, &test_1_type, test_1_offsets)
      38  	 == FFI_OK);
      39    CHECK (test_1_type.size == sizeof (struct test_1));
      40    CHECK (offsetof (struct test_1, c) == test_1_offsets[0]);
      41    CHECK (offsetof (struct test_1, f) == test_1_offsets[1]);
      42    CHECK (offsetof (struct test_1, c2) == test_1_offsets[2]);
      43    CHECK (offsetof (struct test_1, i) == test_1_offsets[3]);
      44  
      45    return 0;
      46  }