1  /* Area:	ffi_call, closure_call
       2     Purpose:	Check structure passing with different structure size.
       3     Limitations:	none.
       4     PR:		none.
       5     Originator:	<andreast@gcc.gnu.org> 20030828	 */
       6  
       7  /* { dg-do run } */
       8  #include "ffitest.h"
       9  
      10  typedef struct cls_struct_12byte {
      11    int a;
      12    int b;
      13    int c;
      14  } cls_struct_12byte;
      15  
      16  cls_struct_12byte cls_struct_12byte_fn(struct cls_struct_12byte b1,
      17  			    struct cls_struct_12byte b2)
      18  {
      19    struct cls_struct_12byte result;
      20  
      21    result.a = b1.a + b2.a;
      22    result.b = b1.b + b2.b;
      23    result.c = b1.c + b2.c;
      24  
      25    printf("%d %d %d %d %d %d: %d %d %d\n", b1.a, b1.b, b1.c, b2.a, b2.b, b2.c,
      26  	 result.a, result.b, result.c);
      27  
      28    return result;
      29  }
      30  
      31  static void cls_struct_12byte_gn(ffi_cif* cif __UNUSED__, void* resp,
      32  				 void** args , void* userdata __UNUSED__)
      33  {
      34    struct cls_struct_12byte b1, b2;
      35  
      36    b1 = *(struct cls_struct_12byte*)(args[0]);
      37    b2 = *(struct cls_struct_12byte*)(args[1]);
      38  
      39    *(cls_struct_12byte*)resp = cls_struct_12byte_fn(b1, b2);
      40  }
      41  
      42  int main (void)
      43  {
      44    ffi_cif cif;
      45    void *code;
      46    ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
      47    void* args_dbl[5];
      48    ffi_type* cls_struct_fields[4];
      49    ffi_type cls_struct_type;
      50    ffi_type* dbl_arg_types[5];
      51  
      52    struct cls_struct_12byte h_dbl = { 7, 4, 9 };
      53    struct cls_struct_12byte j_dbl = { 1, 5, 3 };
      54    struct cls_struct_12byte res_dbl;
      55  
      56    cls_struct_type.size = 0;
      57    cls_struct_type.alignment = 0;
      58    cls_struct_type.type = FFI_TYPE_STRUCT;
      59    cls_struct_type.elements = cls_struct_fields;
      60  
      61    cls_struct_fields[0] = &ffi_type_sint;
      62    cls_struct_fields[1] = &ffi_type_sint;
      63    cls_struct_fields[2] = &ffi_type_sint;
      64    cls_struct_fields[3] = NULL;
      65  
      66    dbl_arg_types[0] = &cls_struct_type;
      67    dbl_arg_types[1] = &cls_struct_type;
      68    dbl_arg_types[2] = NULL;
      69  
      70    CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
      71  		     dbl_arg_types) == FFI_OK);
      72  
      73    args_dbl[0] = &h_dbl;
      74    args_dbl[1] = &j_dbl;
      75    args_dbl[2] = NULL;
      76  
      77    ffi_call(&cif, FFI_FN(cls_struct_12byte_fn), &res_dbl, args_dbl);
      78    /* { dg-output "7 4 9 1 5 3: 8 9 12" } */
      79    printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
      80    /* { dg-output "\nres: 8 9 12" } */
      81  
      82    CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_12byte_gn, NULL, code) == FFI_OK);
      83  
      84    res_dbl.a = 0;
      85    res_dbl.b = 0;
      86    res_dbl.c = 0;
      87  
      88    res_dbl = ((cls_struct_12byte(*)(cls_struct_12byte, cls_struct_12byte))(code))(h_dbl, j_dbl);
      89    /* { dg-output "\n7 4 9 1 5 3: 8 9 12" } */
      90    printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
      91    /* { dg-output "\nres: 8 9 12" } */
      92  
      93    exit(0);
      94  }