ยปCore Development>Code coverage>Modules/_ctypes/libffi/testsuite/libffi.call/cls_1_1byte.c

Python code coverage for Modules/_ctypes/libffi/testsuite/libffi.call/cls_1_1byte.c

#countcontent
1n/a/* Area: ffi_call, closure_call
2n/a Purpose: Check structure passing with different structure size.
3n/a Especially with small structures which may fit in one
4n/a register. Depending on the ABI.
5n/a Limitations: none.
6n/a PR: none.
7n/a Originator: <andreast@gcc.gnu.org> 20030902 */
8n/a
9n/a
10n/a
11n/a/* { dg-do run } */
12n/a#include "ffitest.h"
13n/a
14n/atypedef struct cls_struct_1_1byte {
15n/a unsigned char a;
16n/a} cls_struct_1_1byte;
17n/a
18n/acls_struct_1_1byte cls_struct_1_1byte_fn(struct cls_struct_1_1byte a1,
19n/a struct cls_struct_1_1byte a2)
20n/a{
21n/a struct cls_struct_1_1byte result;
22n/a
23n/a result.a = a1.a + a2.a;
24n/a
25n/a printf("%d %d: %d\n", a1.a, a2.a, result.a);
26n/a
27n/a return result;
28n/a}
29n/a
30n/astatic void
31n/acls_struct_1_1byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
32n/a void* userdata __UNUSED__)
33n/a{
34n/a
35n/a struct cls_struct_1_1byte a1, a2;
36n/a
37n/a a1 = *(struct cls_struct_1_1byte*)(args[0]);
38n/a a2 = *(struct cls_struct_1_1byte*)(args[1]);
39n/a
40n/a *(cls_struct_1_1byte*)resp = cls_struct_1_1byte_fn(a1, a2);
41n/a}
42n/a
43n/aint main (void)
44n/a{
45n/a ffi_cif cif;
46n/a void *code;
47n/a ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
48n/a void* args_dbl[5];
49n/a ffi_type* cls_struct_fields[2];
50n/a ffi_type cls_struct_type;
51n/a ffi_type* dbl_arg_types[5];
52n/a
53n/a struct cls_struct_1_1byte g_dbl = { 12 };
54n/a struct cls_struct_1_1byte f_dbl = { 178 };
55n/a struct cls_struct_1_1byte res_dbl;
56n/a
57n/a cls_struct_type.size = 0;
58n/a cls_struct_type.alignment = 0;
59n/a cls_struct_type.type = FFI_TYPE_STRUCT;
60n/a cls_struct_type.elements = cls_struct_fields;
61n/a
62n/a cls_struct_fields[0] = &ffi_type_uchar;
63n/a cls_struct_fields[1] = NULL;
64n/a
65n/a dbl_arg_types[0] = &cls_struct_type;
66n/a dbl_arg_types[1] = &cls_struct_type;
67n/a dbl_arg_types[2] = NULL;
68n/a
69n/a CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
70n/a dbl_arg_types) == FFI_OK);
71n/a
72n/a args_dbl[0] = &g_dbl;
73n/a args_dbl[1] = &f_dbl;
74n/a args_dbl[2] = NULL;
75n/a
76n/a ffi_call(&cif, FFI_FN(cls_struct_1_1byte_fn), &res_dbl, args_dbl);
77n/a /* { dg-output "12 178: 190" } */
78n/a printf("res: %d\n", res_dbl.a);
79n/a /* { dg-output "\nres: 190" } */
80n/a
81n/a CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_1_1byte_gn, NULL, code) == FFI_OK);
82n/a
83n/a res_dbl = ((cls_struct_1_1byte(*)(cls_struct_1_1byte, cls_struct_1_1byte))(code))(g_dbl, f_dbl);
84n/a /* { dg-output "\n12 178: 190" } */
85n/a printf("res: %d\n", res_dbl.a);
86n/a /* { dg-output "\nres: 190" } */
87n/a
88n/a exit(0);
89n/a}