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/* Area:        ffi_call, closure_call

   Purpose:     Check structure passing with different structure size.

   Limitations: none.

   PR:          none.

   Originator:  <andreast@gcc.gnu.org> 20030828  */

/* { dg-do run } */

#include "ffitest.h"

typedef struct my_ffi_struct {

  double a;

  double b;

  double c;

} my_ffi_struct;

my_ffi_struct callee(struct my_ffi_struct a1, struct my_ffi_struct a2)

{

  struct my_ffi_struct result;

  result.a = a1.a + a2.a;

  result.b = a1.b + a2.b;

  result.c = a1.c + a2.c;

  printf("%g %g %g %g %g %g: %g %g %g\n", a1.a, a1.b, a1.c,

         a2.a, a2.b, a2.c, result.a, result.b, result.c);

  return result;

}

void stub(ffi_cif* cif __UNUSED__, void* resp, void** args,

          void* userdata __UNUSED__)

{

  struct my_ffi_struct a1;

  struct my_ffi_struct a2;

  a1 = *(struct my_ffi_struct*)(args[0]);

  a2 = *(struct my_ffi_struct*)(args[1]);

  *(my_ffi_struct *)resp = callee(a1, a2);

}

int main(void)

{

  ffi_type* my_ffi_struct_fields[4];

  ffi_type my_ffi_struct_type;

  ffi_cif cif;

  void *code;

  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);

  void* args[4];

  ffi_type* arg_types[3];

  struct my_ffi_struct g = { 1.0, 2.0, 3.0 };

  struct my_ffi_struct f = { 1.0, 2.0, 3.0 };

  struct my_ffi_struct res;

  my_ffi_struct_type.size = 0;

  my_ffi_struct_type.alignment = 0;

  my_ffi_struct_type.type = FFI_TYPE_STRUCT;

  my_ffi_struct_type.elements = my_ffi_struct_fields;

  my_ffi_struct_fields[0] = &ffi_type_double;

  my_ffi_struct_fields[1] = &ffi_type_double;

  my_ffi_struct_fields[2] = &ffi_type_double;

  my_ffi_struct_fields[3] = NULL;

  arg_types[0] = &my_ffi_struct_type;

  arg_types[1] = &my_ffi_struct_type;

  arg_types[2] = NULL;

  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &my_ffi_struct_type,

                     arg_types) == FFI_OK);

  args[0] = &g;

  args[1] = &f;

  args[2] = NULL;

  ffi_call(&cif, FFI_FN(callee), &res, args);

  /* { dg-output "1 2 3 1 2 3: 2 4 6" } */

  printf("res: %g %g %g\n", res.a, res.b, res.c);

  /* { dg-output "\nres: 2 4 6" } */

  CHECK(ffi_prep_closure_loc(pcl, &cif, stub, NULL, code) == FFI_OK);

  res = ((my_ffi_struct(*)(struct my_ffi_struct, struct my_ffi_struct))(code))(g, f);

  /* { dg-output "\n1 2 3 1 2 3: 2 4 6" } */

  printf("res: %g %g %g\n", res.a, res.b, res.c);

  /* { dg-output "\nres: 2 4 6" } */

  exit(0);;

}