ยปCore Development>Code coverage>Modules/_ctypes/libffi/testsuite/libffi.call/cls_align_uint16.c

Python code coverage for Modules/_ctypes/libffi/testsuite/libffi.call/cls_align_uint16.c

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1n/a/* Area: ffi_call, closure_call
2n/a Purpose: Check structure alignment of uint16.
3n/a Limitations: none.
4n/a PR: none.
5n/a Originator: <hos@tamanegi.org> 20031203 */
6n/a
7n/a/* { dg-do run } */
8n/a#include "ffitest.h"
9n/a
10n/atypedef struct cls_struct_align {
11n/a unsigned char a;
12n/a unsigned short b;
13n/a unsigned char c;
14n/a} cls_struct_align;
15n/a
16n/acls_struct_align cls_struct_align_fn(struct cls_struct_align a1,
17n/a struct cls_struct_align a2)
18n/a{
19n/a struct cls_struct_align result;
20n/a
21n/a result.a = a1.a + a2.a;
22n/a result.b = a1.b + a2.b;
23n/a result.c = a1.c + a2.c;
24n/a
25n/a printf("%d %d %d %d %d %d: %d %d %d\n", a1.a, a1.b, a1.c, a2.a, a2.b, a2.c, result.a, result.b, result.c);
26n/a
27n/a return result;
28n/a}
29n/a
30n/astatic void
31n/acls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
32n/a void* userdata __UNUSED__)
33n/a{
34n/a
35n/a struct cls_struct_align a1, a2;
36n/a
37n/a a1 = *(struct cls_struct_align*)(args[0]);
38n/a a2 = *(struct cls_struct_align*)(args[1]);
39n/a
40n/a *(cls_struct_align*)resp = cls_struct_align_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[4];
50n/a ffi_type cls_struct_type;
51n/a ffi_type* dbl_arg_types[5];
52n/a
53n/a struct cls_struct_align g_dbl = { 12, 4951, 127 };
54n/a struct cls_struct_align f_dbl = { 1, 9320, 13 };
55n/a struct cls_struct_align 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] = &ffi_type_ushort;
64n/a cls_struct_fields[2] = &ffi_type_uchar;
65n/a cls_struct_fields[3] = NULL;
66n/a
67n/a dbl_arg_types[0] = &cls_struct_type;
68n/a dbl_arg_types[1] = &cls_struct_type;
69n/a dbl_arg_types[2] = NULL;
70n/a
71n/a CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
72n/a dbl_arg_types) == FFI_OK);
73n/a
74n/a args_dbl[0] = &g_dbl;
75n/a args_dbl[1] = &f_dbl;
76n/a args_dbl[2] = NULL;
77n/a
78n/a ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
79n/a /* { dg-output "12 4951 127 1 9320 13: 13 14271 140" } */
80n/a printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
81n/a /* { dg-output "\nres: 13 14271 140" } */
82n/a
83n/a CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK);
84n/a
85n/a res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl);
86n/a /* { dg-output "\n12 4951 127 1 9320 13: 13 14271 140" } */
87n/a printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
88n/a /* { dg-output "\nres: 13 14271 140" } */
89n/a
90n/a exit(0);
91n/a}