ยปCore Development>Code coverage>Modules/_ctypes/libffi/testsuite/libffi.call/nested_struct8.c

Python code coverage for Modules/_ctypes/libffi/testsuite/libffi.call/nested_struct8.c

#countcontent
1n/a/* Area: ffi_call, closure_call
2n/a Purpose: Check structure passing with different structure size.
3n/a Contains structs as parameter of the struct itself.
4n/a Sample taken from Alan Modras patch to src/prep_cif.c.
5n/a Limitations: none.
6n/a PR: none.
7n/a Originator: <andreast@gcc.gnu.org> 20051010 */
8n/a
9n/a/* { dg-do run } */
10n/a#include "ffitest.h"
11n/a
12n/atypedef struct A {
13n/a unsigned long long a;
14n/a unsigned char b;
15n/a} A;
16n/a
17n/atypedef struct B {
18n/a struct A x;
19n/a unsigned char y;
20n/a} B;
21n/a
22n/atypedef struct C {
23n/a unsigned long long d;
24n/a unsigned char e;
25n/a} C;
26n/a
27n/astatic B B_fn(struct A b2, struct B b3, struct C b4)
28n/a{
29n/a struct B result;
30n/a
31n/a result.x.a = b2.a + b3.x.a + b4.d;
32n/a result.x.b = b2.b + b3.x.b + b3.y + b4.e;
33n/a result.y = b2.b + b3.x.b + b4.e;
34n/a
35n/a printf("%d %d %d %d %d %d %d: %d %d %d\n", (int)b2.a, b2.b,
36n/a (int)b3.x.a, b3.x.b, b3.y, (int)b4.d, b4.e,
37n/a (int)result.x.a, result.x.b, result.y);
38n/a
39n/a return result;
40n/a}
41n/a
42n/astatic void
43n/aB_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
44n/a void* userdata __UNUSED__)
45n/a{
46n/a struct A b0;
47n/a struct B b1;
48n/a struct C b2;
49n/a
50n/a b0 = *(struct A*)(args[0]);
51n/a b1 = *(struct B*)(args[1]);
52n/a b2 = *(struct C*)(args[2]);
53n/a
54n/a *(B*)resp = B_fn(b0, b1, b2);
55n/a}
56n/a
57n/aint main (void)
58n/a{
59n/a ffi_cif cif;
60n/a void *code;
61n/a ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
62n/a void* args_dbl[4];
63n/a ffi_type* cls_struct_fields[3];
64n/a ffi_type* cls_struct_fields1[3];
65n/a ffi_type* cls_struct_fields2[3];
66n/a ffi_type cls_struct_type, cls_struct_type1, cls_struct_type2;
67n/a ffi_type* dbl_arg_types[4];
68n/a
69n/a struct A e_dbl = { 1LL, 7};
70n/a struct B f_dbl = {{12LL , 127}, 99};
71n/a struct C g_dbl = { 2LL, 9};
72n/a
73n/a struct B res_dbl;
74n/a
75n/a cls_struct_type.size = 0;
76n/a cls_struct_type.alignment = 0;
77n/a cls_struct_type.type = FFI_TYPE_STRUCT;
78n/a cls_struct_type.elements = cls_struct_fields;
79n/a
80n/a cls_struct_type1.size = 0;
81n/a cls_struct_type1.alignment = 0;
82n/a cls_struct_type1.type = FFI_TYPE_STRUCT;
83n/a cls_struct_type1.elements = cls_struct_fields1;
84n/a
85n/a cls_struct_type2.size = 0;
86n/a cls_struct_type2.alignment = 0;
87n/a cls_struct_type2.type = FFI_TYPE_STRUCT;
88n/a cls_struct_type2.elements = cls_struct_fields2;
89n/a
90n/a cls_struct_fields[0] = &ffi_type_uint64;
91n/a cls_struct_fields[1] = &ffi_type_uchar;
92n/a cls_struct_fields[2] = NULL;
93n/a
94n/a cls_struct_fields1[0] = &cls_struct_type;
95n/a cls_struct_fields1[1] = &ffi_type_uchar;
96n/a cls_struct_fields1[2] = NULL;
97n/a
98n/a cls_struct_fields2[0] = &ffi_type_uint64;
99n/a cls_struct_fields2[1] = &ffi_type_uchar;
100n/a cls_struct_fields2[2] = NULL;
101n/a
102n/a
103n/a dbl_arg_types[0] = &cls_struct_type;
104n/a dbl_arg_types[1] = &cls_struct_type1;
105n/a dbl_arg_types[2] = &cls_struct_type2;
106n/a dbl_arg_types[3] = NULL;
107n/a
108n/a CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3, &cls_struct_type1,
109n/a dbl_arg_types) == FFI_OK);
110n/a
111n/a args_dbl[0] = &e_dbl;
112n/a args_dbl[1] = &f_dbl;
113n/a args_dbl[2] = &g_dbl;
114n/a args_dbl[3] = NULL;
115n/a
116n/a ffi_call(&cif, FFI_FN(B_fn), &res_dbl, args_dbl);
117n/a /* { dg-output "1 7 12 127 99 2 9: 15 242 143" } */
118n/a CHECK( res_dbl.x.a == (e_dbl.a + f_dbl.x.a + g_dbl.d));
119n/a CHECK( res_dbl.x.b == (e_dbl.b + f_dbl.x.b + f_dbl.y + g_dbl.e));
120n/a CHECK( res_dbl.y == (e_dbl.b + f_dbl.x.b + g_dbl.e));
121n/a
122n/a CHECK(ffi_prep_closure_loc(pcl, &cif, B_gn, NULL, code) == FFI_OK);
123n/a
124n/a res_dbl = ((B(*)(A, B, C))(code))(e_dbl, f_dbl, g_dbl);
125n/a /* { dg-output "\n1 7 12 127 99 2 9: 15 242 143" } */
126n/a CHECK( res_dbl.x.a == (e_dbl.a + f_dbl.x.a + g_dbl.d));
127n/a CHECK( res_dbl.x.b == (e_dbl.b + f_dbl.x.b + f_dbl.y + g_dbl.e));
128n/a CHECK( res_dbl.y == (e_dbl.b + f_dbl.x.b + g_dbl.e));
129n/a
130n/a exit(0);
131n/a}