Python code coverage for Modules/_ctypes/libffi/testsuite/libffi.call/problem1.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	Limitations: none.
4	n/a	PR: none.
5	n/a	Originator: <andreast@gcc.gnu.org> 20030828 */
6	n/a
7	n/a	/* { dg-do run } */
8	n/a	#include "ffitest.h"
9	n/a
10	n/a	typedef struct my_ffi_struct {
11	n/a	double a;
12	n/a	double b;
13	n/a	double c;
14	n/a	} my_ffi_struct;
15	n/a
16	n/a	my_ffi_struct callee(struct my_ffi_struct a1, struct my_ffi_struct a2)
17	n/a	{
18	n/a	struct my_ffi_struct result;
19	n/a	result.a = a1.a + a2.a;
20	n/a	result.b = a1.b + a2.b;
21	n/a	result.c = a1.c + a2.c;
22	n/a
23	n/a
24	n/a	printf("%g %g %g %g %g %g: %g %g %g\n", a1.a, a1.b, a1.c,
25	n/a	a2.a, a2.b, a2.c, result.a, result.b, result.c);
26	n/a
27	n/a	return result;
28	n/a	}
29	n/a
30	n/a	void stub(ffi_cif* cif __UNUSED__, void* resp, void** args,
31	n/a	void* userdata __UNUSED__)
32	n/a	{
33	n/a	struct my_ffi_struct a1;
34	n/a	struct my_ffi_struct a2;
35	n/a
36	n/a	a1 = (struct my_ffi_struct)(args[0]);
37	n/a	a2 = (struct my_ffi_struct)(args[1]);
38	n/a
39	n/a	(my_ffi_struct )resp = callee(a1, a2);
40	n/a	}
41	n/a
42	n/a
43	n/a	int main(void)
44	n/a	{
45	n/a	ffi_type* my_ffi_struct_fields[4];
46	n/a	ffi_type my_ffi_struct_type;
47	n/a	ffi_cif cif;
48	n/a	void *code;
49	n/a	ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
50	n/a	void* args[4];
51	n/a	ffi_type* arg_types[3];
52	n/a
53	n/a	struct my_ffi_struct g = { 1.0, 2.0, 3.0 };
54	n/a	struct my_ffi_struct f = { 1.0, 2.0, 3.0 };
55	n/a	struct my_ffi_struct res;
56	n/a
57	n/a	my_ffi_struct_type.size = 0;
58	n/a	my_ffi_struct_type.alignment = 0;
59	n/a	my_ffi_struct_type.type = FFI_TYPE_STRUCT;
60	n/a	my_ffi_struct_type.elements = my_ffi_struct_fields;
61	n/a
62	n/a	my_ffi_struct_fields[0] = &ffi_type_double;
63	n/a	my_ffi_struct_fields[1] = &ffi_type_double;
64	n/a	my_ffi_struct_fields[2] = &ffi_type_double;
65	n/a	my_ffi_struct_fields[3] = NULL;
66	n/a
67	n/a	arg_types[0] = &my_ffi_struct_type;
68	n/a	arg_types[1] = &my_ffi_struct_type;
69	n/a	arg_types[2] = NULL;
70	n/a
71	n/a	CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &my_ffi_struct_type,
72	n/a	arg_types) == FFI_OK);
73	n/a
74	n/a	args[0] = &g;
75	n/a	args[1] = &f;
76	n/a	args[2] = NULL;
77	n/a	ffi_call(&cif, FFI_FN(callee), &res, args);
78	n/a	/* { dg-output "1 2 3 1 2 3: 2 4 6" } */
79	n/a	printf("res: %g %g %g\n", res.a, res.b, res.c);
80	n/a	/* { dg-output "\nres: 2 4 6" } */
81	n/a
82	n/a	CHECK(ffi_prep_closure_loc(pcl, &cif, stub, NULL, code) == FFI_OK);
83	n/a
84	n/a	res = ((my_ffi_struct(*)(struct my_ffi_struct, struct my_ffi_struct))(code))(g, f);
85	n/a	/* { dg-output "\n1 2 3 1 2 3: 2 4 6" } */
86	n/a	printf("res: %g %g %g\n", res.a, res.b, res.c);
87	n/a	/* { dg-output "\nres: 2 4 6" } */
88	n/a
89	n/a	exit(0);;
90	n/a	}