text: /* Area:	ffi_call, closure_call
     Purpose:	Check structure passing with different structure size.
  		Depending on the ABI. Check overlapping.
     Limitations:	none.
     PR:		none.
     Originator:	<andreast@gcc.gnu.org> 20030828	 */
  
  /* { dg-do run } */
  #include "ffitest.h"
  
  typedef struct cls_struct_24byte {
    double a;
    double b;
    int c;
    float d;
  } cls_struct_24byte;
  
  cls_struct_24byte cls_struct_24byte_fn(struct cls_struct_24byte b0,
  			    struct cls_struct_24byte b1,
  			    struct cls_struct_24byte b2,
  			    struct cls_struct_24byte b3)
  {
    struct cls_struct_24byte result;
  
    result.a = b0.a + b1.a + b2.a + b3.a;
    result.b = b0.b + b1.b + b2.b + b3.b;
    result.c = b0.c + b1.c + b2.c + b3.c;
    result.d = b0.d + b1.d + b2.d + b3.d;
  
    printf("%g %g %d %g %g %g %d %g %g %g %d %g %g %g %d %g: %g %g %d %g\n",
  	 b0.a, b0.b, b0.c, b0.d,
  	 b1.a, b1.b, b1.c, b1.d,
  	 b2.a, b2.b, b2.c, b2.d,
  	 b3.a, b3.b, b3.c, b2.d,
  	 result.a, result.b, result.c, result.d);
  
    return result;
  }
  
  static void
  cls_struct_24byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
  		     void* userdata __UNUSED__)
  {
    struct cls_struct_24byte b0, b1, b2, b3;
  
    b0 = *(struct cls_struct_24byte*)(args[0]);
    b1 = *(struct cls_struct_24byte*)(args[1]);
    b2 = *(struct cls_struct_24byte*)(args[2]);
    b3 = *(struct cls_struct_24byte*)(args[3]);
  
    *(cls_struct_24byte*)resp = cls_struct_24byte_fn(b0, b1, b2, b3);
  }
  
  int main (void)
  {
    ffi_cif cif;
    void *code;
    ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
    void* args_dbl[5];
    ffi_type* cls_struct_fields[5];
    ffi_type cls_struct_type;
    ffi_type* dbl_arg_types[5];
  
    struct cls_struct_24byte e_dbl = { 9.0, 2.0, 6, 5.0 };
    struct cls_struct_24byte f_dbl = { 1.0, 2.0, 3, 7.0 };
    struct cls_struct_24byte g_dbl = { 4.0, 5.0, 7, 9.0 };
    struct cls_struct_24byte h_dbl = { 8.0, 6.0, 1, 4.0 };
    struct cls_struct_24byte res_dbl;
  
    cls_struct_type.size = 0;
    cls_struct_type.alignment = 0;
    cls_struct_type.type = FFI_TYPE_STRUCT;
    cls_struct_type.elements = cls_struct_fields;
  
    cls_struct_fields[0] = &ffi_type_double;
    cls_struct_fields[1] = &ffi_type_double;
    cls_struct_fields[2] = &ffi_type_sint;
    cls_struct_fields[3] = &ffi_type_float;
    cls_struct_fields[4] = NULL;
  
    dbl_arg_types[0] = &cls_struct_type;
    dbl_arg_types[1] = &cls_struct_type;
    dbl_arg_types[2] = &cls_struct_type;
    dbl_arg_types[3] = &cls_struct_type;
    dbl_arg_types[4] = NULL;
  
    CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4, &cls_struct_type,
  		     dbl_arg_types) == FFI_OK);
  
    args_dbl[0] = &e_dbl;
    args_dbl[1] = &f_dbl;
    args_dbl[2] = &g_dbl;
    args_dbl[3] = &h_dbl;
    args_dbl[4] = NULL;
  
    ffi_call(&cif, FFI_FN(cls_struct_24byte_fn), &res_dbl, args_dbl);
    /* { dg-output "9 2 6 5 1 2 3 7 4 5 7 9 8 6 1 9: 22 15 17 25" } */
    printf("res: %g %g %d %g\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d);
    /* { dg-output "\nres: 22 15 17 25" } */
  
    CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_24byte_gn, NULL, code) == FFI_OK);
  
    res_dbl = ((cls_struct_24byte(*)(cls_struct_24byte,
  				   cls_struct_24byte,
  				   cls_struct_24byte,
  				   cls_struct_24byte))
  	     (code))(e_dbl, f_dbl, g_dbl, h_dbl);
    /* { dg-output "\n9 2 6 5 1 2 3 7 4 5 7 9 8 6 1 9: 22 15 17 25" } */
    printf("res: %g %g %d %g\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d);
    /* { dg-output "\nres: 22 15 17 25" } */
  
    exit(0);
  }
  