Ruby  2.7.1p83(2020-03-31revisiona0c7c23c9cec0d0ffcba012279cd652d28ad5bf3)
promotion.c
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1 /* Area: ffi_call
2  Purpose: Promotion test.
3  Limitations: none.
4  PR: none.
5  Originator: From the original ffitest.c */
6 
7 /* { dg-do run } */
8 #include "ffitest.h"
9 static int promotion(signed char sc, signed short ss,
10  unsigned char uc, unsigned short us)
11 {
12  int r = (int) sc + (int) ss + (int) uc + (int) us;
13 
14  return r;
15 }
16 
17 int main (void)
18 {
19  ffi_cif cif;
20  ffi_type *args[MAX_ARGS];
21  void *values[MAX_ARGS];
22  ffi_arg rint;
23  signed char sc;
24  unsigned char uc;
25  signed short ss;
26  unsigned short us;
27  unsigned long ul;
28 
29  args[0] = &ffi_type_schar;
30  args[1] = &ffi_type_sshort;
31  args[2] = &ffi_type_uchar;
32  args[3] = &ffi_type_ushort;
33  values[0] = ≻
34  values[1] = &ss;
35  values[2] = &uc;
36  values[3] = &us;
37 
38  /* Initialize the cif */
40  &ffi_type_sint, args) == FFI_OK);
41 
42  us = 0;
43  ul = 0;
44 
45  for (sc = (signed char) -127;
46  sc <= (signed char) 120; sc += 1)
47  for (ss = -30000; ss <= 30000; ss += 10000)
48  for (uc = (unsigned char) 0;
49  uc <= (unsigned char) 200; uc += 20)
50  for (us = 0; us <= 60000; us += 10000)
51  {
52  ul++;
53  ffi_call(&cif, FFI_FN(promotion), &rint, values);
54  CHECK((int)rint == (signed char) sc + (signed short) ss +
55  (unsigned char) uc + (unsigned short) us);
56  }
57  printf("%lu promotion tests run\n", ul);
58  exit(0);
59 }
ffi_arg
unsigned long ffi_arg
Definition: ffitarget.h:30
rint
double rint(double)
ffi_type_schar
#define ffi_type_schar
Definition: fiddle.h:56
char
#define char
Definition: rb_mjit_min_header-2.7.1.h:2876
ffitest.h
CHECK
#define CHECK(sub)
Definition: compile.c:448
FFI_DEFAULT_ABI
@ FFI_DEFAULT_ABI
Definition: ffitarget.h:38
ffi_type_uchar
#define ffi_type_uchar
Definition: fiddle.h:55
int
__inline__ int
Definition: rb_mjit_min_header-2.7.1.h:2839
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
main
int main(void)
Definition: promotion.c:17
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