Ruby  2.7.1p83(2020-03-31revisiona0c7c23c9cec0d0ffcba012279cd652d28ad5bf3)
return_sl.c
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1 /* Area: ffi_call
2  Purpose: Check if long as return type is handled correctly.
3  Limitations: none.
4  PR: none.
5  */
6 
7 /* { dg-do run } */
8 #include "ffitest.h"
9 static long return_sl(long l1, long l2)
10 {
11  return l1 - l2;
12 }
13 
14 int main (void)
15 {
16  ffi_cif cif;
17  ffi_type *args[MAX_ARGS];
18  void *values[MAX_ARGS];
19  ffi_arg res;
20  unsigned long l1, l2;
21 
22  args[0] = &ffi_type_slong;
23  args[1] = &ffi_type_slong;
24  values[0] = &l1;
25  values[1] = &l2;
26 
28  &ffi_type_slong, args) == FFI_OK);
29 
30  l1 = 1073741823L;
31  l2 = 1073741824L;
32 
33  ffi_call(&cif, FFI_FN(return_sl), &res, values);
34  printf("res: %ld, %ld\n", (long)res, l1 - l2);
35  /* { dg-output "res: -1, -1" } */
36 
37  exit(0);
38 }
ffi_arg
unsigned long ffi_arg
Definition: ffitarget.h:30
main
int main(void)
Definition: return_sl.c:14
L
#define L(x)
Definition: asm.h:125
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__))
printf
int int int printf(const char *__restrict,...) __attribute__((__format__(__printf__
ffi_call
void ffi_call(ffi_cif *cif, void(*fn)(void), void *rvalue, void **avalue)
Definition: ffi.c:813