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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libffi/] [testsuite/] [libffi.call/] [problem1.c] - Blame information for rev 732

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Line No. Rev Author Line
1 732 jeremybenn
/* Area:        ffi_call, closure_call
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   Purpose:     Check structure passing with different structure size.
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   Limitations: none.
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   PR:          none.
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   Originator:  <andreast@gcc.gnu.org> 20030828  */
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/* { dg-do run } */
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#include "ffitest.h"
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typedef struct my_ffi_struct {
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  double a;
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  double b;
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  double c;
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} my_ffi_struct;
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my_ffi_struct callee(struct my_ffi_struct a1, struct my_ffi_struct a2)
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{
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  struct my_ffi_struct result;
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  result.a = a1.a + a2.a;
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  result.b = a1.b + a2.b;
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  result.c = a1.c + a2.c;
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  printf("%g %g %g %g %g %g: %g %g %g\n", a1.a, a1.b, a1.c,
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         a2.a, a2.b, a2.c, result.a, result.b, result.c);
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  return result;
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}
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void stub(ffi_cif* cif __UNUSED__, void* resp, void** args,
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          void* userdata __UNUSED__)
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{
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  struct my_ffi_struct a1;
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  struct my_ffi_struct a2;
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  a1 = *(struct my_ffi_struct*)(args[0]);
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  a2 = *(struct my_ffi_struct*)(args[1]);
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  *(my_ffi_struct *)resp = callee(a1, a2);
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}
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int main(void)
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{
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  ffi_type* my_ffi_struct_fields[4];
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  ffi_type my_ffi_struct_type;
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  ffi_cif cif;
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  void *code;
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  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
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  void* args[4];
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  ffi_type* arg_types[3];
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  struct my_ffi_struct g = { 1.0, 2.0, 3.0 };
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  struct my_ffi_struct f = { 1.0, 2.0, 3.0 };
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  struct my_ffi_struct res;
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  my_ffi_struct_type.size = 0;
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  my_ffi_struct_type.alignment = 0;
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  my_ffi_struct_type.type = FFI_TYPE_STRUCT;
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  my_ffi_struct_type.elements = my_ffi_struct_fields;
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  my_ffi_struct_fields[0] = &ffi_type_double;
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  my_ffi_struct_fields[1] = &ffi_type_double;
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  my_ffi_struct_fields[2] = &ffi_type_double;
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  my_ffi_struct_fields[3] = NULL;
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  arg_types[0] = &my_ffi_struct_type;
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  arg_types[1] = &my_ffi_struct_type;
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  arg_types[2] = NULL;
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  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &my_ffi_struct_type,
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                     arg_types) == FFI_OK);
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  args[0] = &g;
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  args[1] = &f;
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  args[2] = NULL;
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  ffi_call(&cif, FFI_FN(callee), &res, args);
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  /* { dg-output "1 2 3 1 2 3: 2 4 6" } */
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  printf("res: %g %g %g\n", res.a, res.b, res.c);
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  /* { dg-output "\nres: 2 4 6" } */
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  CHECK(ffi_prep_closure_loc(pcl, &cif, stub, NULL, code) == FFI_OK);
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  res = ((my_ffi_struct(*)(struct my_ffi_struct, struct my_ffi_struct))(code))(g, f);
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  /* { dg-output "\n1 2 3 1 2 3: 2 4 6" } */
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  printf("res: %g %g %g\n", res.a, res.b, res.c);
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  /* { dg-output "\nres: 2 4 6" } */
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  exit(0);;
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}

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