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

#	count	content
1	n/a	/* Area: ffi_call, closure_call
2	n/a	Purpose: Check structure alignment of pointer.
3	n/a	Limitations: none.
4	n/a	PR: none.
5	n/a	Originator: <hos@tamanegi.org> 20031203 */
6	n/a
7	n/a	/* { dg-do run } */
8	n/a	#include "ffitest.h"
9	n/a
10	n/a	typedef struct cls_struct_align {
11	n/a	unsigned char a;
12	n/a	void *b;
13	n/a	unsigned char c;
14	n/a	} cls_struct_align;
15	n/a
16	n/a	cls_struct_align cls_struct_align_fn(struct cls_struct_align a1,
17	n/a	struct cls_struct_align a2)
18	n/a	{
19	n/a	struct cls_struct_align result;
20	n/a
21	n/a	result.a = a1.a + a2.a;
22	n/a	result.b = (void *)((uintptr_t)a1.b + (uintptr_t)a2.b);
23	n/a	result.c = a1.c + a2.c;
24	n/a
25	n/a	printf("%d %" PRIuPTR " %d %d %" PRIuPTR " %d: %d %" PRIuPTR " %d\n",
26	n/a	a1.a, (uintptr_t)a1.b, a1.c,
27	n/a	a2.a, (uintptr_t)a2.b, a2.c,
28	n/a	result.a, (uintptr_t)result.b,
29	n/a	result.c);
30	n/a
31	n/a	return result;
32	n/a	}
33	n/a
34	n/a	static void
35	n/a	cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
36	n/a	void* userdata __UNUSED__)
37	n/a	{
38	n/a
39	n/a	struct cls_struct_align a1, a2;
40	n/a
41	n/a	a1 = (struct cls_struct_align)(args[0]);
42	n/a	a2 = (struct cls_struct_align)(args[1]);
43	n/a
44	n/a	(cls_struct_align)resp = cls_struct_align_fn(a1, a2);
45	n/a	}
46	n/a
47	n/a	int main (void)
48	n/a	{
49	n/a	ffi_cif cif;
50	n/a	void *code;
51	n/a	ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
52	n/a	void* args_dbl[5];
53	n/a	ffi_type* cls_struct_fields[4];
54	n/a	ffi_type cls_struct_type;
55	n/a	ffi_type* dbl_arg_types[5];
56	n/a
57	n/a	struct cls_struct_align g_dbl = { 12, (void *)4951, 127 };
58	n/a	struct cls_struct_align f_dbl = { 1, (void *)9320, 13 };
59	n/a	struct cls_struct_align res_dbl;
60	n/a
61	n/a	cls_struct_type.size = 0;
62	n/a	cls_struct_type.alignment = 0;
63	n/a	cls_struct_type.type = FFI_TYPE_STRUCT;
64	n/a	cls_struct_type.elements = cls_struct_fields;
65	n/a
66	n/a	cls_struct_fields[0] = &ffi_type_uchar;
67	n/a	cls_struct_fields[1] = &ffi_type_pointer;
68	n/a	cls_struct_fields[2] = &ffi_type_uchar;
69	n/a	cls_struct_fields[3] = NULL;
70	n/a
71	n/a	dbl_arg_types[0] = &cls_struct_type;
72	n/a	dbl_arg_types[1] = &cls_struct_type;
73	n/a	dbl_arg_types[2] = NULL;
74	n/a
75	n/a	CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
76	n/a	dbl_arg_types) == FFI_OK);
77	n/a
78	n/a	args_dbl[0] = &g_dbl;
79	n/a	args_dbl[1] = &f_dbl;
80	n/a	args_dbl[2] = NULL;
81	n/a
82	n/a	ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
83	n/a	/* { dg-output "12 4951 127 1 9320 13: 13 14271 140" } */
84	n/a	printf("res: %d %" PRIuPTR " %d\n", res_dbl.a, (uintptr_t)res_dbl.b, res_dbl.c);
85	n/a	/* { dg-output "\nres: 13 14271 140" } */
86	n/a
87	n/a	CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK);
88	n/a
89	n/a	res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl);
90	n/a	/* { dg-output "\n12 4951 127 1 9320 13: 13 14271 140" } */
91	n/a	printf("res: %d %" PRIuPTR " %d\n", res_dbl.a, (uintptr_t)res_dbl.b, res_dbl.c);
92	n/a	/* { dg-output "\nres: 13 14271 140" } */
93	n/a
94	n/a	exit(0);
95	n/a	}