1  /* Area:	ffi_call, closure_call
       2     Purpose:	Check structure alignment of sint32.
       3     Limitations:	none.
       4     PR:		none.
       5     Originator:	<hos@tamanegi.org> 20031203	 */
       6  
       7  /* { dg-do run } */
       8  #include "ffitest.h"
       9  
      10  typedef struct cls_struct_align {
      11    unsigned char a;
      12    signed int b;
      13    unsigned char c;
      14  } cls_struct_align;
      15  
      16  static cls_struct_align cls_struct_align_fn(struct cls_struct_align a1,
      17  			    struct cls_struct_align a2)
      18  {
      19    struct cls_struct_align result;
      20  
      21    result.a = a1.a + a2.a;
      22    result.b = a1.b + a2.b;
      23    result.c = a1.c + a2.c;
      24  
      25    printf("%d %d %d %d %d %d: %d %d %d\n", a1.a, a1.b, a1.c, a2.a, a2.b, a2.c, result.a, result.b, result.c);
      26  
      27    return  result;
      28  }
      29  
      30  static void
      31  cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
      32  		    void* userdata __UNUSED__)
      33  {
      34  
      35    struct cls_struct_align a1, a2;
      36  
      37    a1 = *(struct cls_struct_align*)(args[0]);
      38    a2 = *(struct cls_struct_align*)(args[1]);
      39  
      40    *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
      41  }
      42  
      43  int main (void)
      44  {
      45    ffi_cif cif;
      46    void *code;
      47    ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
      48    void* args_dbl[5];
      49    ffi_type* cls_struct_fields[4];
      50    ffi_type cls_struct_type;
      51    ffi_type* dbl_arg_types[5];
      52  
      53    struct cls_struct_align g_dbl = { 12, 4951, 127 };
      54    struct cls_struct_align f_dbl = { 1, 9320, 13 };
      55    struct cls_struct_align res_dbl;
      56  
      57    cls_struct_type.size = 0;
      58    cls_struct_type.alignment = 0;
      59    cls_struct_type.type = FFI_TYPE_STRUCT;
      60    cls_struct_type.elements = cls_struct_fields;
      61  
      62    cls_struct_fields[0] = &ffi_type_uchar;
      63    cls_struct_fields[1] = &ffi_type_sint;
      64    cls_struct_fields[2] = &ffi_type_uchar;
      65    cls_struct_fields[3] = NULL;
      66  
      67    dbl_arg_types[0] = &cls_struct_type;
      68    dbl_arg_types[1] = &cls_struct_type;
      69    dbl_arg_types[2] = NULL;
      70  
      71    CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
      72  		     dbl_arg_types) == FFI_OK);
      73  
      74    args_dbl[0] = &g_dbl;
      75    args_dbl[1] = &f_dbl;
      76    args_dbl[2] = NULL;
      77  
      78    ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
      79    /* { dg-output "12 4951 127 1 9320 13: 13 14271 140" } */
      80    printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
      81    /* { dg-output "\nres: 13 14271 140" } */
      82  
      83    CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK);
      84  
      85    res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl);
      86    /* { dg-output "\n12 4951 127 1 9320 13: 13 14271 140" } */
      87    printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
      88    /* { dg-output "\nres: 13 14271 140" } */
      89  
      90    exit(0);
      91  }