Ruby 2.7.7p221 (2022-11-24 revision 168ec2b1e5ad0e4688e963d9de019557c78feed9)
struct5.c
Go to the documentation of this file.
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"
9typedef struct
10{
11 char c1;
12 char c2;
14
16{
17 ts1.c1 += ts2.c1;
18 ts1.c2 -= ts2.c2;
19
20 return ts1;
21}
22
23int main (void)
24{
25 ffi_cif cif;
26 ffi_type *args[MAX_ARGS];
27 void *values[MAX_ARGS];
28 ffi_type ts5_type;
29 ffi_type *ts5_type_elements[3];
30
31 test_structure_5 ts5_arg1, ts5_arg2;
32
33 /* This is a hack to get a properly aligned result buffer */
34 test_structure_5 *ts5_result =
36
37 ts5_type.size = 0;
38 ts5_type.alignment = 0;
39 ts5_type.type = FFI_TYPE_STRUCT;
40 ts5_type.elements = ts5_type_elements;
41 ts5_type_elements[0] = &ffi_type_schar;
42 ts5_type_elements[1] = &ffi_type_schar;
43 ts5_type_elements[2] = NULL;
44
45 args[0] = &ts5_type;
46 args[1] = &ts5_type;
47 values[0] = &ts5_arg1;
48 values[1] = &ts5_arg2;
49
50 /* Initialize the cif */
51 CHECK(ffi_prep_cif(&cif, ABI_NUM, 2, &ts5_type, args) == FFI_OK);
52
53 ts5_arg1.c1 = 2;
54 ts5_arg1.c2 = 6;
55 ts5_arg2.c1 = 5;
56 ts5_arg2.c2 = 3;
57
58 ffi_call (&cif, FFI_FN(struct5), ts5_result, values);
59
60 CHECK(ts5_result->c1 == 7);
61 CHECK(ts5_result->c2 == 3);
62
63
64 free (ts5_result);
65 exit(0);
66}
void ffi_call(ffi_cif *cif, void(*fn)(void), void *rvalue, void **avalue)
Definition: ffi.c:813
#define CHECK(sub)
Definition: compile.c:448
#define free(x)
Definition: dln.c:52
#define ABI_NUM
Definition: ffitest.h:35
#define ABI_ATTR
Definition: ffitest.h:36
#define ffi_type_schar
Definition: fiddle.h:56
#define MAX_ARGS
Definition: function.c:15
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
#define NULL
void * malloc(size_t) __attribute__((__malloc__)) __attribute__((__warn_unused_result__)) __attribute__((__alloc_size__(1)))
void exit(int __status) __attribute__((__noreturn__))
int main(void)
Definition: struct5.c:23