Ruby  2.7.1p83(2020-03-31revisiona0c7c23c9cec0d0ffcba012279cd652d28ad5bf3)
cls_double.c
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1 /* Area: closure_call
2  Purpose: Check return value double.
3  Limitations: none.
4  PR: none.
5  Originator: <andreast@gcc.gnu.org> 20030828 */
6 
7 /* { dg-do run } */
8 #include "ffitest.h"
9 
10 static void cls_ret_double_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
11  void* userdata __UNUSED__)
12  {
13  *(double *)resp = *(double *)args[0];
14 
15  printf("%f: %f\n",*(double *)args[0],
16  *(double *)resp);
17  }
19 
20 int main (void)
21 {
22  ffi_cif cif;
23  void *code;
24  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
25  ffi_type * cl_arg_types[2];
26  double res;
27 
28  cl_arg_types[0] = &ffi_type_double;
29  cl_arg_types[1] = NULL;
30 
31  /* Initialize the cif */
33  &ffi_type_double, cl_arg_types) == FFI_OK);
34 
35  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_double_fn, NULL, code) == FFI_OK);
36 
37  res = (*((cls_ret_double)code))(21474.789);
38  /* { dg-output "21474.789000: 21474.789000" } */
39  printf("res: %.6f\n", res);
40  /* { dg-output "\nres: 21474.789000" } */
41 
42  exit(0);
43 }
cls_ret_double
double(* cls_ret_double)(double)
Definition: cls_double.c:18
double
double
Definition: rb_mjit_min_header-2.7.1.h:5923
main
int main(void)
Definition: cls_double.c:20
NULL
#define NULL
Definition: _sdbm.c:101
ffitest.h
__UNUSED__
#define __UNUSED__
Definition: ffitest.h:28
CHECK
#define CHECK(sub)
Definition: compile.c:448
FFI_DEFAULT_ABI
@ FFI_DEFAULT_ABI
Definition: ffitarget.h:38
ffi_prep_cif
ffi_status ffi_prep_cif(ffi_cif *cif, ffi_abi abi, unsigned int nargs, ffi_type *rtype, ffi_type **atypes)
Definition: prep_cif.c:226
exit
void exit(int __status) __attribute__((__noreturn__))
printf
int int int printf(const char *__restrict,...) __attribute__((__format__(__printf__
ffi_prep_closure_loc
ffi_status ffi_prep_closure_loc(ffi_closure *closure, ffi_cif *cif, void(*fun)(ffi_cif *, void *, void **, void *), void *user_data, void *codeloc)
Definition: ffi.c:928