Python code coverage for Modules/_ctypes/libffi/testsuite/libffi.call/va_struct2.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 small_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	s1.a += s2.a;
44	n/a	s1.b += s2.b;
45	n/a	return s1;
46	n/a	}
47	n/a
48	n/a	int
49	n/a	main (void)
50	n/a	{
51	n/a	ffi_cif cif;
52	n/a	void* args[5];
53	n/a	ffi_type* arg_types[5];
54	n/a
55	n/a	ffi_type s_type;
56	n/a	ffi_type *s_type_elements[3];
57	n/a
58	n/a	ffi_type l_type;
59	n/a	ffi_type *l_type_elements[6];
60	n/a
61	n/a	struct small_tag s1;
62	n/a	struct small_tag s2;
63	n/a	struct large_tag l1;
64	n/a
65	n/a	int n;
66	n/a	struct small_tag res;
67	n/a
68	n/a	s_type.size = 0;
69	n/a	s_type.alignment = 0;
70	n/a	s_type.type = FFI_TYPE_STRUCT;
71	n/a	s_type.elements = s_type_elements;
72	n/a
73	n/a	s_type_elements[0] = &ffi_type_uchar;
74	n/a	s_type_elements[1] = &ffi_type_uchar;
75	n/a	s_type_elements[2] = NULL;
76	n/a
77	n/a	l_type.size = 0;
78	n/a	l_type.alignment = 0;
79	n/a	l_type.type = FFI_TYPE_STRUCT;
80	n/a	l_type.elements = l_type_elements;
81	n/a
82	n/a	l_type_elements[0] = &ffi_type_uint;
83	n/a	l_type_elements[1] = &ffi_type_uint;
84	n/a	l_type_elements[2] = &ffi_type_uint;
85	n/a	l_type_elements[3] = &ffi_type_uint;
86	n/a	l_type_elements[4] = &ffi_type_uint;
87	n/a	l_type_elements[5] = NULL;
88	n/a
89	n/a	arg_types[0] = &ffi_type_sint;
90	n/a	arg_types[1] = &s_type;
91	n/a	arg_types[2] = &l_type;
92	n/a	arg_types[3] = &s_type;
93	n/a	arg_types[4] = NULL;
94	n/a
95	n/a	CHECK(ffi_prep_cif_var(&cif, FFI_DEFAULT_ABI, 1, 4, &s_type, arg_types) == FFI_OK);
96	n/a
97	n/a	s1.a = 5;
98	n/a	s1.b = 6;
99	n/a
100	n/a	l1.a = 10;
101	n/a	l1.b = 11;
102	n/a	l1.c = 12;
103	n/a	l1.d = 13;
104	n/a	l1.e = 14;
105	n/a
106	n/a	s2.a = 7;
107	n/a	s2.b = 8;
108	n/a
109	n/a	n = 41;
110	n/a
111	n/a	args[0] = &n;
112	n/a	args[1] = &s1;
113	n/a	args[2] = &l1;
114	n/a	args[3] = &s2;
115	n/a	args[4] = NULL;
116	n/a
117	n/a	ffi_call(&cif, FFI_FN(test_fn), &res, args);
118	n/a	/* { dg-output "5 6 10 11 12 13 14 7 8" } */
119	n/a	printf("res: %d %d\n", res.a, res.b);
120	n/a	/* { dg-output "\nres: 12 14" } */
121	n/a
122	n/a	return 0;
123	n/a	}