Ruby  2.7.0p0(2019-12-25revision647ee6f091eafcce70ffb75ddf7e121e192ab217)
cls_float.c
Go to the documentation of this file.
1 /* Area: closure_call
2  Purpose: Check return value float.
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_float_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
11  void* userdata __UNUSED__)
12  {
13  *(float *)resp = *(float *)args[0];
14 
15  printf("%g: %g\n",*(float *)args[0],
16  *(float *)resp);
17  }
18 
19 typedef float (*cls_ret_float)(float);
20 
21 int main (void)
22 {
23  ffi_cif cif;
24  void *code;
25  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
26  ffi_type * cl_arg_types[2];
27  float res;
28 
29  cl_arg_types[0] = &ffi_type_float;
30  cl_arg_types[1] = NULL;
31 
32  /* Initialize the cif */
34  &ffi_type_float, cl_arg_types) == FFI_OK);
35 
36  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_float_fn, NULL, code) == FFI_OK);
37  res = ((((cls_ret_float)code)(-2122.12)));
38  /* { dg-output "\\-2122.12: \\-2122.12" } */
39  printf("res: %.6f\n", res);
40  /* { dg-output "\nres: \-2122.120117" } */
41  exit(0);
42 }
cls_ret_float
float(* cls_ret_float)(float)
Definition: cls_float.c:19
printf
int int int printf(const char *__restrict,...) __attribute__((__format__(__printf__
NULL
#define NULL
Definition: _sdbm.c:101
exit
void exit(int __status) __attribute__((__noreturn__))
main
int main(void)
Definition: cls_float.c:21
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
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