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/* Area:	ffi_call, closure_call 
   Purpose:	Check structure passing with different structure size. 
		Contains structs as parameter of the struct itself. 
   Limitations:	none. 
   PR:		none. 
   Originator:	<andreast@gcc.gnu.org> 20030828	 */ 
 
/* { dg-do run } */ 
#include "ffitest.h" 
 
typedef struct cls_struct_16byte1 { 
  double a; 
  float b; 
  int c; 
} cls_struct_16byte1; 
 
typedef struct cls_struct_16byte2 { 
  int ii; 
  double dd; 
  float ff; 
} cls_struct_16byte2; 
 
typedef struct cls_struct_combined { 
  cls_struct_16byte1 d; 
  cls_struct_16byte2 e; 
} cls_struct_combined; 
 
cls_struct_combined cls_struct_combined_fn(struct cls_struct_16byte1 b0, 
			    struct cls_struct_16byte2 b1, 
			    struct cls_struct_combined b2) 
{ 
  struct cls_struct_combined result; 
 
  result.d.a = b0.a + b1.dd + b2.d.a; 
  result.d.b = b0.b + b1.ff + b2.d.b; 
  result.d.c = b0.c + b1.ii + b2.d.c; 
  result.e.ii = b0.c + b1.ii + b2.e.ii; 
  result.e.dd = b0.a + b1.dd + b2.e.dd; 
  result.e.ff = b0.b + b1.ff + b2.e.ff; 
 
  printf("%g %g %d %d %g %g %g %g %d %d %g %g: %g %g %d %d %g %g\n", 
	 b0.a, b0.b, b0.c, 
	 b1.ii, b1.dd, b1.ff, 
	 b2.d.a, b2.d.b, b2.d.c, 
	 b2.e.ii, b2.e.dd, b2.e.ff, 
	 result.d.a, result.d.b, result.d.c, 
	 result.e.ii, result.e.dd, result.e.ff); 
 
  return result; 
} 
 
static void 
cls_struct_combined_gn(ffi_cif* cif __UNUSED__, void* resp, void** args, 
		       void* userdata __UNUSED__) 
{ 
  struct cls_struct_16byte1 b0; 
  struct cls_struct_16byte2 b1; 
  struct cls_struct_combined b2; 
 
  b0 = *(struct cls_struct_16byte1*)(args[0]); 
  b1 = *(struct cls_struct_16byte2*)(args[1]); 
  b2 = *(struct cls_struct_combined*)(args[2]); 
 
 
  *(cls_struct_combined*)resp = cls_struct_combined_fn(b0, b1, b2); 
} 
 
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_fields1[5]; 
  ffi_type* cls_struct_fields2[5]; 
  ffi_type cls_struct_type, cls_struct_type1, cls_struct_type2; 
  ffi_type* dbl_arg_types[5]; 
 
  struct cls_struct_16byte1 e_dbl = { 9.0, 2.0, 6}; 
  struct cls_struct_16byte2 f_dbl = { 1, 2.0, 3.0}; 
  struct cls_struct_combined g_dbl = {{4.0, 5.0, 6}, 
				      {3, 1.0, 8.0}}; 
  struct cls_struct_combined 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_type1.size = 0; 
  cls_struct_type1.alignment = 0; 
  cls_struct_type1.type = FFI_TYPE_STRUCT; 
  cls_struct_type1.elements = cls_struct_fields1; 
 
  cls_struct_type2.size = 0; 
  cls_struct_type2.alignment = 0; 
  cls_struct_type2.type = FFI_TYPE_STRUCT; 
  cls_struct_type2.elements = cls_struct_fields2; 
 
  cls_struct_fields[0] = &ffi_type_double; 
  cls_struct_fields[1] = &ffi_type_float; 
  cls_struct_fields[2] = &ffi_type_sint; 
  cls_struct_fields[3] = NULL; 
 
  cls_struct_fields1[0] = &ffi_type_sint; 
  cls_struct_fields1[1] = &ffi_type_double; 
  cls_struct_fields1[2] = &ffi_type_float; 
  cls_struct_fields1[3] = NULL; 
 
  cls_struct_fields2[0] = &cls_struct_type; 
  cls_struct_fields2[1] = &cls_struct_type1; 
  cls_struct_fields2[2] = NULL; 
 
 
  dbl_arg_types[0] = &cls_struct_type; 
  dbl_arg_types[1] = &cls_struct_type1; 
  dbl_arg_types[2] = &cls_struct_type2; 
  dbl_arg_types[3] = NULL; 
 
  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3, &cls_struct_type2, 
		     dbl_arg_types) == FFI_OK); 
 
  args_dbl[0] = &e_dbl; 
  args_dbl[1] = &f_dbl; 
  args_dbl[2] = &g_dbl; 
  args_dbl[3] = NULL; 
 
  ffi_call(&cif, FFI_FN(cls_struct_combined_fn), &res_dbl, args_dbl); 
  /* { dg-output "9 2 6 1 2 3 4 5 6 3 1 8: 15 10 13 10 12 13" } */ 
  CHECK( res_dbl.d.a == (e_dbl.a + f_dbl.dd + g_dbl.d.a)); 
  CHECK( res_dbl.d.b == (e_dbl.b + f_dbl.ff + g_dbl.d.b)); 
  CHECK( res_dbl.d.c == (e_dbl.c + f_dbl.ii + g_dbl.d.c)); 
  CHECK( res_dbl.e.ii == (e_dbl.c + f_dbl.ii + g_dbl.e.ii)); 
  CHECK( res_dbl.e.dd == (e_dbl.a + f_dbl.dd + g_dbl.e.dd)); 
  CHECK( res_dbl.e.ff == (e_dbl.b + f_dbl.ff + g_dbl.e.ff)); 
 
  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_combined_gn, NULL, code) == FFI_OK); 
 
  res_dbl = ((cls_struct_combined(*)(cls_struct_16byte1, 
				     cls_struct_16byte2, 
				     cls_struct_combined)) 
	     (code))(e_dbl, f_dbl, g_dbl); 
  /* { dg-output "\n9 2 6 1 2 3 4 5 6 3 1 8: 15 10 13 10 12 13" } */ 
  CHECK( res_dbl.d.a == (e_dbl.a + f_dbl.dd + g_dbl.d.a)); 
  CHECK( res_dbl.d.b == (e_dbl.b + f_dbl.ff + g_dbl.d.b)); 
  CHECK( res_dbl.d.c == (e_dbl.c + f_dbl.ii + g_dbl.d.c)); 
  CHECK( res_dbl.e.ii == (e_dbl.c + f_dbl.ii + g_dbl.e.ii)); 
  CHECK( res_dbl.e.dd == (e_dbl.a + f_dbl.dd + g_dbl.e.dd)); 
  CHECK( res_dbl.e.ff == (e_dbl.b + f_dbl.ff + g_dbl.e.ff)); 
  exit(0); 
}