Python code coverage for Modules/_ctypes/libffi/testsuite/libffi.call/va_struct3.c

#	count	content
1	n/a	/* Area: ffi_call
2	n/a	Purpose: Test passing struct in variable argument lists.
3	n/a	Limitations: none.
4	n/a	PR: none.
5	n/a	Originator: ARM Ltd. */
6	n/a
7	n/a	/* { dg-do run } */
8	n/a	/* { dg-output "" { xfail avr32--* } } */
9	n/a
10	n/a	#include "ffitest.h"
11	n/a	#include <stdarg.h>
12	n/a
13	n/a	struct small_tag
14	n/a	{
15	n/a	unsigned char a;
16	n/a	unsigned char b;
17	n/a	};
18	n/a
19	n/a	struct large_tag
20	n/a	{
21	n/a	unsigned a;
22	n/a	unsigned b;
23	n/a	unsigned c;
24	n/a	unsigned d;
25	n/a	unsigned e;
26	n/a	};
27	n/a
28	n/a	static struct large_tag
29	n/a	test_fn (int n, ...)
30	n/a	{
31	n/a	va_list ap;
32	n/a	struct small_tag s1;
33	n/a	struct small_tag s2;
34	n/a	struct large_tag l;
35	n/a
36	n/a	va_start (ap, n);
37	n/a	s1 = va_arg (ap, struct small_tag);
38	n/a	l = va_arg (ap, struct large_tag);
39	n/a	s2 = va_arg (ap, struct small_tag);
40	n/a	printf ("%u %u %u %u %u %u %u %u %u\n", s1.a, s1.b, l.a, l.b, l.c, l.d, l.e,
41	n/a	s2.a, s2.b);
42	n/a	va_end (ap);
43	n/a	l.a += s1.a;
44	n/a	l.b += s1.b;
45	n/a	l.c += s2.a;
46	n/a	l.d += s2.b;
47	n/a	return l;
48	n/a	}
49	n/a
50	n/a	int
51	n/a	main (void)
52	n/a	{
53	n/a	ffi_cif cif;
54	n/a	void* args[5];
55	n/a	ffi_type* arg_types[5];
56	n/a
57	n/a	ffi_type s_type;
58	n/a	ffi_type *s_type_elements[3];
59	n/a
60	n/a	ffi_type l_type;
61	n/a	ffi_type *l_type_elements[6];
62	n/a
63	n/a	struct small_tag s1;
64	n/a	struct small_tag s2;
65	n/a	struct large_tag l1;
66	n/a
67	n/a	int n;
68	n/a	struct large_tag res;
69	n/a
70	n/a	s_type.size = 0;
71	n/a	s_type.alignment = 0;
72	n/a	s_type.type = FFI_TYPE_STRUCT;
73	n/a	s_type.elements = s_type_elements;
74	n/a
75	n/a	s_type_elements[0] = &ffi_type_uchar;
76	n/a	s_type_elements[1] = &ffi_type_uchar;
77	n/a	s_type_elements[2] = NULL;
78	n/a
79	n/a	l_type.size = 0;
80	n/a	l_type.alignment = 0;
81	n/a	l_type.type = FFI_TYPE_STRUCT;
82	n/a	l_type.elements = l_type_elements;
83	n/a
84	n/a	l_type_elements[0] = &ffi_type_uint;
85	n/a	l_type_elements[1] = &ffi_type_uint;
86	n/a	l_type_elements[2] = &ffi_type_uint;
87	n/a	l_type_elements[3] = &ffi_type_uint;
88	n/a	l_type_elements[4] = &ffi_type_uint;
89	n/a	l_type_elements[5] = NULL;
90	n/a
91	n/a	arg_types[0] = &ffi_type_sint;
92	n/a	arg_types[1] = &s_type;
93	n/a	arg_types[2] = &l_type;
94	n/a	arg_types[3] = &s_type;
95	n/a	arg_types[4] = NULL;
96	n/a
97	n/a	CHECK(ffi_prep_cif_var(&cif, FFI_DEFAULT_ABI, 1, 4, &l_type, arg_types) == FFI_OK);
98	n/a
99	n/a	s1.a = 5;
100	n/a	s1.b = 6;
101	n/a
102	n/a	l1.a = 10;
103	n/a	l1.b = 11;
104	n/a	l1.c = 12;
105	n/a	l1.d = 13;
106	n/a	l1.e = 14;
107	n/a
108	n/a	s2.a = 7;
109	n/a	s2.b = 8;
110	n/a
111	n/a	n = 41;
112	n/a
113	n/a	args[0] = &n;
114	n/a	args[1] = &s1;
115	n/a	args[2] = &l1;
116	n/a	args[3] = &s2;
117	n/a	args[4] = NULL;
118	n/a
119	n/a	ffi_call(&cif, FFI_FN(test_fn), &res, args);
120	n/a	/* { dg-output "5 6 10 11 12 13 14 7 8" } */
121	n/a	printf("res: %d %d %d %d %d\n", res.a, res.b, res.c, res.d, res.e);
122	n/a	/* { dg-output "\nres: 15 17 19 21 14" } */
123	n/a
124	n/a	return 0;
125	n/a	}