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

#	count	content
1	n/a	/* Area: ffi_call, closure_call
2	n/a	Purpose: Check structure passing with different structure size.
3	n/a	Contains structs as parameter of the struct itself.
4	n/a	Limitations: none.
5	n/a	PR: none.
6	n/a	Originator: <andreast@gcc.gnu.org> 20030828 */
7	n/a
8	n/a	/* { dg-do run } */
9	n/a	#include "ffitest.h"
10	n/a
11	n/a	typedef struct cls_struct_16byte1 {
12	n/a	double a;
13	n/a	float b;
14	n/a	int c;
15	n/a	} cls_struct_16byte1;
16	n/a
17	n/a	typedef struct cls_struct_16byte2 {
18	n/a	int ii;
19	n/a	double dd;
20	n/a	float ff;
21	n/a	} cls_struct_16byte2;
22	n/a
23	n/a	typedef struct cls_struct_combined {
24	n/a	cls_struct_16byte1 d;
25	n/a	cls_struct_16byte2 e;
26	n/a	} cls_struct_combined;
27	n/a
28	n/a	cls_struct_combined cls_struct_combined_fn(struct cls_struct_16byte1 b0,
29	n/a	struct cls_struct_16byte2 b1,
30	n/a	struct cls_struct_combined b2)
31	n/a	{
32	n/a	struct cls_struct_combined result;
33	n/a
34	n/a	result.d.a = b0.a + b1.dd + b2.d.a;
35	n/a	result.d.b = b0.b + b1.ff + b2.d.b;
36	n/a	result.d.c = b0.c + b1.ii + b2.d.c;
37	n/a	result.e.ii = b0.c + b1.ii + b2.e.ii;
38	n/a	result.e.dd = b0.a + b1.dd + b2.e.dd;
39	n/a	result.e.ff = b0.b + b1.ff + b2.e.ff;
40	n/a
41	n/a	printf("%g %g %d %d %g %g %g %g %d %d %g %g: %g %g %d %d %g %g\n",
42	n/a	b0.a, b0.b, b0.c,
43	n/a	b1.ii, b1.dd, b1.ff,
44	n/a	b2.d.a, b2.d.b, b2.d.c,
45	n/a	b2.e.ii, b2.e.dd, b2.e.ff,
46	n/a	result.d.a, result.d.b, result.d.c,
47	n/a	result.e.ii, result.e.dd, result.e.ff);
48	n/a
49	n/a	return result;
50	n/a	}
51	n/a
52	n/a	static void
53	n/a	cls_struct_combined_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
54	n/a	void* userdata __UNUSED__)
55	n/a	{
56	n/a	struct cls_struct_16byte1 b0;
57	n/a	struct cls_struct_16byte2 b1;
58	n/a	struct cls_struct_combined b2;
59	n/a
60	n/a	b0 = (struct cls_struct_16byte1)(args[0]);
61	n/a	b1 = (struct cls_struct_16byte2)(args[1]);
62	n/a	b2 = (struct cls_struct_combined)(args[2]);
63	n/a
64	n/a
65	n/a	(cls_struct_combined)resp = cls_struct_combined_fn(b0, b1, b2);
66	n/a	}
67	n/a
68	n/a	int main (void)
69	n/a	{
70	n/a	ffi_cif cif;
71	n/a	void *code;
72	n/a	ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
73	n/a	void* args_dbl[5];
74	n/a	ffi_type* cls_struct_fields[5];
75	n/a	ffi_type* cls_struct_fields1[5];
76	n/a	ffi_type* cls_struct_fields2[5];
77	n/a	ffi_type cls_struct_type, cls_struct_type1, cls_struct_type2;
78	n/a	ffi_type* dbl_arg_types[5];
79	n/a
80	n/a	struct cls_struct_16byte1 e_dbl = { 9.0, 2.0, 6};
81	n/a	struct cls_struct_16byte2 f_dbl = { 1, 2.0, 3.0};
82	n/a	struct cls_struct_combined g_dbl = {{4.0, 5.0, 6},
83	n/a	{3, 1.0, 8.0}};
84	n/a	struct cls_struct_combined res_dbl;
85	n/a
86	n/a	cls_struct_type.size = 0;
87	n/a	cls_struct_type.alignment = 0;
88	n/a	cls_struct_type.type = FFI_TYPE_STRUCT;
89	n/a	cls_struct_type.elements = cls_struct_fields;
90	n/a
91	n/a	cls_struct_type1.size = 0;
92	n/a	cls_struct_type1.alignment = 0;
93	n/a	cls_struct_type1.type = FFI_TYPE_STRUCT;
94	n/a	cls_struct_type1.elements = cls_struct_fields1;
95	n/a
96	n/a	cls_struct_type2.size = 0;
97	n/a	cls_struct_type2.alignment = 0;
98	n/a	cls_struct_type2.type = FFI_TYPE_STRUCT;
99	n/a	cls_struct_type2.elements = cls_struct_fields2;
100	n/a
101	n/a	cls_struct_fields[0] = &ffi_type_double;
102	n/a	cls_struct_fields[1] = &ffi_type_float;
103	n/a	cls_struct_fields[2] = &ffi_type_sint;
104	n/a	cls_struct_fields[3] = NULL;
105	n/a
106	n/a	cls_struct_fields1[0] = &ffi_type_sint;
107	n/a	cls_struct_fields1[1] = &ffi_type_double;
108	n/a	cls_struct_fields1[2] = &ffi_type_float;
109	n/a	cls_struct_fields1[3] = NULL;
110	n/a
111	n/a	cls_struct_fields2[0] = &cls_struct_type;
112	n/a	cls_struct_fields2[1] = &cls_struct_type1;
113	n/a	cls_struct_fields2[2] = NULL;
114	n/a
115	n/a
116	n/a	dbl_arg_types[0] = &cls_struct_type;
117	n/a	dbl_arg_types[1] = &cls_struct_type1;
118	n/a	dbl_arg_types[2] = &cls_struct_type2;
119	n/a	dbl_arg_types[3] = NULL;
120	n/a
121	n/a	CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3, &cls_struct_type2,
122	n/a	dbl_arg_types) == FFI_OK);
123	n/a
124	n/a	args_dbl[0] = &e_dbl;
125	n/a	args_dbl[1] = &f_dbl;
126	n/a	args_dbl[2] = &g_dbl;
127	n/a	args_dbl[3] = NULL;
128	n/a
129	n/a	ffi_call(&cif, FFI_FN(cls_struct_combined_fn), &res_dbl, args_dbl);
130	n/a	/* { dg-output "9 2 6 1 2 3 4 5 6 3 1 8: 15 10 13 10 12 13" } */
131	n/a	CHECK( res_dbl.d.a == (e_dbl.a + f_dbl.dd + g_dbl.d.a));
132	n/a	CHECK( res_dbl.d.b == (e_dbl.b + f_dbl.ff + g_dbl.d.b));
133	n/a	CHECK( res_dbl.d.c == (e_dbl.c + f_dbl.ii + g_dbl.d.c));
134	n/a	CHECK( res_dbl.e.ii == (e_dbl.c + f_dbl.ii + g_dbl.e.ii));
135	n/a	CHECK( res_dbl.e.dd == (e_dbl.a + f_dbl.dd + g_dbl.e.dd));
136	n/a	CHECK( res_dbl.e.ff == (e_dbl.b + f_dbl.ff + g_dbl.e.ff));
137	n/a
138	n/a	CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_combined_gn, NULL, code) == FFI_OK);
139	n/a
140	n/a	res_dbl = ((cls_struct_combined(*)(cls_struct_16byte1,
141	n/a	cls_struct_16byte2,
142	n/a	cls_struct_combined))
143	n/a	(code))(e_dbl, f_dbl, g_dbl);
144	n/a	/* { dg-output "\n9 2 6 1 2 3 4 5 6 3 1 8: 15 10 13 10 12 13" } */
145	n/a	CHECK( res_dbl.d.a == (e_dbl.a + f_dbl.dd + g_dbl.d.a));
146	n/a	CHECK( res_dbl.d.b == (e_dbl.b + f_dbl.ff + g_dbl.d.b));
147	n/a	CHECK( res_dbl.d.c == (e_dbl.c + f_dbl.ii + g_dbl.d.c));
148	n/a	CHECK( res_dbl.e.ii == (e_dbl.c + f_dbl.ii + g_dbl.e.ii));
149	n/a	CHECK( res_dbl.e.dd == (e_dbl.a + f_dbl.dd + g_dbl.e.dd));
150	n/a	CHECK( res_dbl.e.ff == (e_dbl.b + f_dbl.ff + g_dbl.e.ff));
151	n/a	exit(0);
152	n/a	}