Ruby  2.7.1p83(2020-03-31revisiona0c7c23c9cec0d0ffcba012279cd652d28ad5bf3)
return_ldl.c
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1 /* Area: ffi_call
2  Purpose: Check return value long double.
3  Limitations: none.
4  PR: none.
5  Originator: <andreast@gcc.gnu.org> 20071113 */
6 
7 /* { dg-do run { xfail x86_64-*-mingw* x86_64-*-cygwin* x86_64-*-msys* } } */
8 #include "ffitest.h"
9 
10 static long double return_ldl(long double ldl)
11 {
12  return 2*ldl;
13 }
14 int main (void)
15 {
16  ffi_cif cif;
17  ffi_type *args[MAX_ARGS];
18  void *values[MAX_ARGS];
19  long double ldl, rldl;
20 
21  args[0] = &ffi_type_longdouble;
22  values[0] = &ldl;
23 
24  /* Initialize the cif */
26  &ffi_type_longdouble, args) == FFI_OK);
27 
28  for (ldl = -127.0; ldl < 127.0; ldl++)
29  {
30  ffi_call(&cif, FFI_FN(return_ldl), &rldl, values);
31  CHECK(rldl == 2 * ldl);
32  }
33  exit(0);
34 }
ffitest.h
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
MAX_ARGS
#define MAX_ARGS
Definition: function.c:15
exit
void exit(int __status) __attribute__((__noreturn__))
ffi_call
void ffi_call(ffi_cif *cif, void(*fn)(void), void *rvalue, void **avalue)
Definition: ffi.c:813
main
int main(void)
Definition: return_ldl.c:14