1  /* Area:	ffi_call, closure_call
       2     Purpose:	Check structure alignment of uint64.
       3     Limitations:	none.
       4     PR:		none.
       5     Originator:	<hos@tamanegi.org> 20031203	 */
       6  
       7  
       8  /* { dg-do run } */
       9  /* { dg-options "-Wno-format" { target alpha*-dec-osf* } } */
      10  #include "ffitest.h"
      11  
      12  typedef struct cls_struct_align {
      13    unsigned char a;
      14    unsigned long long b;
      15    unsigned char c;
      16  } cls_struct_align;
      17  
      18  static cls_struct_align cls_struct_align_fn(struct cls_struct_align a1,
      19  			    struct cls_struct_align a2)
      20  {
      21    struct cls_struct_align result;
      22  
      23    result.a = a1.a + a2.a;
      24    result.b = a1.b + a2.b;
      25    result.c = a1.c + a2.c;
      26  
      27    printf("%d %" PRIdLL " %d %d %" PRIdLL " %d: %d %" PRIdLL " %d\n", a1.a, a1.b, a1.c, a2.a, a2.b, a2.c, result.a, result.b, result.c);
      28  
      29    return  result;
      30  }
      31  
      32  static void
      33  cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
      34  		    void* userdata __UNUSED__)
      35  {
      36  
      37    struct cls_struct_align a1, a2;
      38  
      39    a1 = *(struct cls_struct_align*)(args[0]);
      40    a2 = *(struct cls_struct_align*)(args[1]);
      41  
      42    *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
      43  }
      44  
      45  int main (void)
      46  {
      47    ffi_cif cif;
      48    void *code;
      49    ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
      50    void* args_dbl[5];
      51    ffi_type* cls_struct_fields[4];
      52    ffi_type cls_struct_type;
      53    ffi_type* dbl_arg_types[5];
      54  
      55    struct cls_struct_align g_dbl = { 12, 4951, 127 };
      56    struct cls_struct_align f_dbl = { 1, 9320, 13 };
      57    struct cls_struct_align res_dbl;
      58  
      59    cls_struct_type.size = 0;
      60    cls_struct_type.alignment = 0;
      61    cls_struct_type.type = FFI_TYPE_STRUCT;
      62    cls_struct_type.elements = cls_struct_fields;
      63  
      64    cls_struct_fields[0] = &ffi_type_uchar;
      65    cls_struct_fields[1] = &ffi_type_uint64;
      66    cls_struct_fields[2] = &ffi_type_uchar;
      67    cls_struct_fields[3] = NULL;
      68  
      69    dbl_arg_types[0] = &cls_struct_type;
      70    dbl_arg_types[1] = &cls_struct_type;
      71    dbl_arg_types[2] = NULL;
      72  
      73    CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
      74  		     dbl_arg_types) == FFI_OK);
      75  
      76    args_dbl[0] = &g_dbl;
      77    args_dbl[1] = &f_dbl;
      78    args_dbl[2] = NULL;
      79  
      80    ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
      81    /* { dg-output "12 4951 127 1 9320 13: 13 14271 140" } */
      82    printf("res: %d %" PRIdLL " %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
      83    /* { dg-output "\nres: 13 14271 140" } */
      84  
      85    CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK);
      86  
      87    res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl);
      88    /* { dg-output "\n12 4951 127 1 9320 13: 13 14271 140" } */
      89    printf("res: %d %" PRIdLL " %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
      90    /* { dg-output "\nres: 13 14271 140" } */
      91  
      92    exit(0);
      93  }