Python code coverage for Modules/_ctypes/libffi/testsuite/libffi.call/cls_3byte1.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	Especially with small structures which may fit in one
4	n/a	register. Depending on the ABI. Check overlapping.
5	n/a	Limitations: none.
6	n/a	PR: none.
7	n/a	Originator: <andreast@gcc.gnu.org> 20030828 */
8	n/a
9	n/a	/* { dg-do run } */
10	n/a	#include "ffitest.h"
11	n/a
12	n/a	typedef struct cls_struct_3byte {
13	n/a	unsigned short a;
14	n/a	unsigned char b;
15	n/a	} cls_struct_3byte;
16	n/a
17	n/a	cls_struct_3byte cls_struct_3byte_fn(struct cls_struct_3byte a1,
18	n/a	struct cls_struct_3byte a2)
19	n/a	{
20	n/a	struct cls_struct_3byte result;
21	n/a
22	n/a	result.a = a1.a + a2.a;
23	n/a	result.b = a1.b + a2.b;
24	n/a
25	n/a	printf("%d %d %d %d: %d %d\n", a1.a, a1.b, a2.a, a2.b, result.a, result.b);
26	n/a
27	n/a	return result;
28	n/a	}
29	n/a
30	n/a	static void
31	n/a	cls_struct_3byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
32	n/a	void* userdata __UNUSED__)
33	n/a	{
34	n/a
35	n/a	struct cls_struct_3byte a1, a2;
36	n/a
37	n/a	a1 = (struct cls_struct_3byte)(args[0]);
38	n/a	a2 = (struct cls_struct_3byte)(args[1]);
39	n/a
40	n/a	(cls_struct_3byte)resp = cls_struct_3byte_fn(a1, a2);
41	n/a	}
42	n/a
43	n/a	int main (void)
44	n/a	{
45	n/a	ffi_cif cif;
46	n/a	void *code;
47	n/a	ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
48	n/a	void* args_dbl[5];
49	n/a	ffi_type* cls_struct_fields[4];
50	n/a	ffi_type cls_struct_type;
51	n/a	ffi_type* dbl_arg_types[5];
52	n/a
53	n/a	struct cls_struct_3byte g_dbl = { 12, 119 };
54	n/a	struct cls_struct_3byte f_dbl = { 1, 15 };
55	n/a	struct cls_struct_3byte res_dbl;
56	n/a
57	n/a	cls_struct_type.size = 0;
58	n/a	cls_struct_type.alignment = 0;
59	n/a	cls_struct_type.type = FFI_TYPE_STRUCT;
60	n/a	cls_struct_type.elements = cls_struct_fields;
61	n/a
62	n/a	cls_struct_fields[0] = &ffi_type_ushort;
63	n/a	cls_struct_fields[1] = &ffi_type_uchar;
64	n/a	cls_struct_fields[2] = NULL;
65	n/a
66	n/a	dbl_arg_types[0] = &cls_struct_type;
67	n/a	dbl_arg_types[1] = &cls_struct_type;
68	n/a	dbl_arg_types[2] = NULL;
69	n/a
70	n/a	CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
71	n/a	dbl_arg_types) == FFI_OK);
72	n/a
73	n/a	args_dbl[0] = &g_dbl;
74	n/a	args_dbl[1] = &f_dbl;
75	n/a	args_dbl[2] = NULL;
76	n/a
77	n/a	ffi_call(&cif, FFI_FN(cls_struct_3byte_fn), &res_dbl, args_dbl);
78	n/a	/* { dg-output "12 119 1 15: 13 134" } */
79	n/a	printf("res: %d %d\n", res_dbl.a, res_dbl.b);
80	n/a	/* { dg-output "\nres: 13 134" } */
81	n/a
82	n/a	CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_3byte_gn, NULL, code) == FFI_OK);
83	n/a
84	n/a	res_dbl = ((cls_struct_3byte(*)(cls_struct_3byte, cls_struct_3byte))(code))(g_dbl, f_dbl);
85	n/a	/* { dg-output "\n12 119 1 15: 13 134" } */
86	n/a	printf("res: %d %d\n", res_dbl.a, res_dbl.b);
87	n/a	/* { dg-output "\nres: 13 134" } */
88	n/a
89	n/a	exit(0);
90	n/a	}