Ruby  2.7.2p137(2020-10-01revision5445e0435260b449decf2ac16f9d09bae3cafe72)
struct4.c
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1 /* Area: ffi_call
2  Purpose: Check structures.
3  Limitations: none.
4  PR: none.
5  Originator: From the original ffitest.c */
6 
7 /* { dg-do run } */
8 #include "ffitest.h"
9 
10 typedef struct
11 {
12  unsigned ui1;
13  unsigned ui2;
14  unsigned ui3;
16 
18 {
19  ts.ui3 = ts.ui1 * ts.ui2 * ts.ui3;
20 
21  return ts;
22 }
23 
24 int main (void)
25 {
26  ffi_cif cif;
27  ffi_type *args[MAX_ARGS];
28  void *values[MAX_ARGS];
29  ffi_type ts4_type;
30  ffi_type *ts4_type_elements[4];
31 
32  test_structure_4 ts4_arg;
33 
34  /* This is a hack to get a properly aligned result buffer */
35  test_structure_4 *ts4_result =
37 
38  ts4_type.size = 0;
39  ts4_type.alignment = 0;
40  ts4_type.type = FFI_TYPE_STRUCT;
41  ts4_type.elements = ts4_type_elements;
42  ts4_type_elements[0] = &ffi_type_uint;
43  ts4_type_elements[1] = &ffi_type_uint;
44  ts4_type_elements[2] = &ffi_type_uint;
45  ts4_type_elements[3] = NULL;
46 
47  args[0] = &ts4_type;
48  values[0] = &ts4_arg;
49 
50  /* Initialize the cif */
51  CHECK(ffi_prep_cif(&cif, ABI_NUM, 1, &ts4_type, args) == FFI_OK);
52 
53  ts4_arg.ui1 = 2;
54  ts4_arg.ui2 = 3;
55  ts4_arg.ui3 = 4;
56 
57  ffi_call (&cif, FFI_FN(struct4), ts4_result, values);
58 
59  CHECK(ts4_result->ui3 == 2U * 3U * 4U);
60 
61 
62  free (ts4_result);
63  exit(0);
64 }
test_structure_4::ui3
unsigned ui3
Definition: struct4.c:14
ABI_NUM
#define ABI_NUM
Definition: ffitest.h:35
NULL
#define NULL
Definition: _sdbm.c:101
test_structure_4
Definition: struct4.c:11
ffitest.h
main
int main(void)
Definition: struct4.c:24
CHECK
#define CHECK(sub)
Definition: compile.c:448
test_structure_4::ui1
unsigned ui1
Definition: struct4.c:12
U
Definition: dtoa.c:290
ABI_ATTR
#define ABI_ATTR
Definition: ffitest.h:36
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
free
#define free(x)
Definition: dln.c:52
exit
void exit(int __status) __attribute__((__noreturn__))
test_structure_4::ui2
unsigned ui2
Definition: struct4.c:13
ffi_call
void ffi_call(ffi_cif *cif, void(*fn)(void), void *rvalue, void **avalue)
Definition: ffi.c:813
malloc
void * malloc(size_t) __attribute__((__malloc__)) __attribute__((__warn_unused_result__)) __attribute__((__alloc_size__(1)))