Ruby 2.7.0p0(2019-12-25revision647ee6f091eafcce70ffb75ddf7e121e192ab217)

cls_20byte1.c
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1 /* Area: ffi_call, closure_call
2 Purpose: Check structure passing with different structure size.
3 Depending on the ABI. Check overlapping.
4 Limitations: none.
5 PR: none.
6 Originator: <andreast@gcc.gnu.org> 20030828 */
7
8
9
10 /* { dg-do run } */
11 #include "ffitest.h"
12
13 typedef struct cls_struct_20byte {
14 int a;
15 double b;
16 double c;
17 } cls_struct_20byte;
18
19 cls_struct_20byte cls_struct_20byte_fn(struct cls_struct_20byte a1,
20 struct cls_struct_20byte a2)
21 {
22 struct cls_struct_20byte result;
23
24 result.a = a1.a + a2.a;
25 result.b = a1.b + a2.b;
26 result.c = a1.c + a2.c;
27
28 printf("%d %g %g %d %g %g: %d %g %g\n", a1.a, a1.b, a1.c, a2.a, a2.b, a2.c,
29 result.a, result.b, result.c);
30 return result;
31 }
32
33 static void
34 cls_struct_20byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
35 void* userdata __UNUSED__)
36 {
37 struct cls_struct_20byte a1, a2;
38
39 a1 = *(struct cls_struct_20byte*)(args[0]);
40 a2 = *(struct cls_struct_20byte*)(args[1]);
41
42 *(cls_struct_20byte*)resp = cls_struct_20byte_fn(a1, a2);
43 }
44
45 int main (void)
46 {
47 ffi_cif cif;
48 void *code;
49 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
50 void* args_dbl[3];
51 ffi_type* cls_struct_fields[4];
52 ffi_type cls_struct_type;
53 ffi_type* dbl_arg_types[3];
54
55 struct cls_struct_20byte g_dbl = { 1, 2.0, 3.0 };
56 struct cls_struct_20byte f_dbl = { 4, 5.0, 7.0 };
57 struct cls_struct_20byte res_dbl;
58
59 cls_struct_type.size = 0;
60 cls_struct_type.alignment = 0;
61 cls_struct_type.type = FFI_TYPE_STRUCT;
62 cls_struct_type.elements = cls_struct_fields;
63
64 cls_struct_fields[0] = &ffi_type_sint;
65 cls_struct_fields[1] = &ffi_type_double;
66 cls_struct_fields[2] = &ffi_type_double;
67 cls_struct_fields[3] = NULL;
68
69 dbl_arg_types[0] = &cls_struct_type;
70 dbl_arg_types[1] = &cls_struct_type;
71 dbl_arg_types[2] = NULL;
72
73 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
74 dbl_arg_types) == FFI_OK);
75
76 args_dbl[0] = &g_dbl;
77 args_dbl[1] = &f_dbl;
78 args_dbl[2] = NULL;
79
80 ffi_call(&cif, FFI_FN(cls_struct_20byte_fn), &res_dbl, args_dbl);
81 /* { dg-output "1 2 3 4 5 7: 5 7 10" } */
82 printf("res: %d %g %g\n", res_dbl.a, res_dbl.b, res_dbl.c);
83 /* { dg-output "\nres: 5 7 10" } */
84
85 CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_20byte_gn, NULL, code) == FFI_OK);
86
87 res_dbl = ((cls_struct_20byte(*)(cls_struct_20byte, cls_struct_20byte))(code))(g_dbl, f_dbl);
88 /* { dg-output "\n1 2 3 4 5 7: 5 7 10" } */
89 printf("res: %d %g %g\n", res_dbl.a, res_dbl.b, res_dbl.c);
90 /* { dg-output "\nres: 5 7 10" } */
91
92 exit(0);
93 }
cls_struct_20byte::c
double c
Definition: cls_20byte1.c:16
cls_struct_20byte_fn
cls_struct_20byte cls_struct_20byte_fn(struct cls_struct_20byte a1, struct cls_struct_20byte a2)
Definition: cls_20byte1.c:19
printf
int int int printf(const char *__restrict,...) __attribute__((__format__(__printf__
NULL
#define NULL
Definition: _sdbm.c:101
exit
void exit(int __status) __attribute__((__noreturn__))
ffitest.h
cls_struct_20byte
Definition: cls_20byte.c:11
cls_struct_20byte::a
int a
Definition: cls_20byte1.c:14
__UNUSED__
#define __UNUSED__
Definition: ffitest.h:28
CHECK
#define CHECK(sub)
Definition: compile.c:448
main
int main(void)
Definition: cls_20byte1.c:45
cls_struct_20byte::c
int c
Definition: cls_20byte.c:14
FFI_DEFAULT_ABI
@ FFI_DEFAULT_ABI
Definition: ffitarget.h:38
cls_struct_20byte::a
double a
Definition: cls_20byte.c:12
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
ffi_call
void ffi_call(ffi_cif *cif, void(*fn)(void), void *rvalue, void **avalue)
Definition: ffi.c:813
ffi_prep_closure_loc
ffi_status ffi_prep_closure_loc(ffi_closure *closure, ffi_cif *cif, void(*fun)(ffi_cif *, void *, void **, void *), void *user_data, void *codeloc)
Definition: ffi.c:928
cls_struct_20byte
struct cls_struct_20byte cls_struct_20byte
cls_struct_20byte::b
double b
Definition: cls_20byte.c:13