1/*	Area:			ffi_call, closure_call
2	Purpose:		Check structure alignment of long double.
3	Limitations:	none.
4	PR:				none.
5	Originator:		Blake Chaffin	6/18/2007
6*/
7
8/* { dg-do run { xfail mips*-*-* arm*-*-* strongarm*-*-* xscale*-*-* } } */
9/* { dg-options -mlong-double-128 { target powerpc64*-*-* } } */
10
11#include "ffitest.h"
12
13typedef struct cls_struct_align {
14  long double a;
15  long double b;
16  long double c;
17  long double d;
18  long double e;
19  double f;
20  long double g;
21} cls_struct_align;
22
23cls_struct_align cls_struct_align_fn(
24	cls_struct_align	a1,
25	cls_struct_align	a2)
26{
27	struct cls_struct_align r;
28
29	r.a = a1.a + a2.a;
30	r.b = a1.b + a2.b;
31	r.c = a1.c + a2.c;
32	r.d = a1.d + a2.d;
33	r.e = a1.e + a2.e;
34	r.f = a1.f + a2.f;
35	r.g = a1.g + a2.g;
36
37	printf("%Lg %Lg %Lg %Lg %Lg %g %Lg %Lg %Lg %Lg %Lg %Lg %g %Lg: "
38		"%Lg %Lg %Lg %Lg %Lg %g %Lg\n",
39		a1.a, a1.b, a1.c, a1.d, a1.e, a1.f, a1.g,
40		a2.a, a2.b, a2.c, a2.d, a2.e, a2.f, a2.g,
41		r.a, r.b, r.c, r.d, r.e, r.f, r.g);
42
43	return r;
44}
45
46static void
47cls_struct_align_gn(ffi_cif* cif, void* resp, void** args, void* userdata)
48{
49	struct cls_struct_align a1, a2;
50
51	a1 = *(struct cls_struct_align*)(args[0]);
52	a2 = *(struct cls_struct_align*)(args[1]);
53
54	*(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
55}
56
57int main (void)
58{
59	ffi_cif cif;
60#ifndef USING_MMAP
61	static ffi_closure cl;
62#endif
63	ffi_closure *pcl;
64	void* args_dbl[3];
65	ffi_type* cls_struct_fields[8];
66	ffi_type cls_struct_type;
67	ffi_type* dbl_arg_types[3];
68
69#ifdef USING_MMAP
70	pcl = allocate_mmap (sizeof(ffi_closure));
71#else
72	pcl = &cl;
73#endif
74
75	cls_struct_type.size = 0;
76	cls_struct_type.alignment = 0;
77	cls_struct_type.type = FFI_TYPE_STRUCT;
78	cls_struct_type.elements = cls_struct_fields;
79
80	struct cls_struct_align g_dbl = { 1, 2, 3, 4, 5, 6, 7 };
81	struct cls_struct_align f_dbl = { 8, 9, 10, 11, 12, 13, 14 };
82	struct cls_struct_align res_dbl;
83
84	cls_struct_fields[0] = &ffi_type_longdouble;
85	cls_struct_fields[1] = &ffi_type_longdouble;
86	cls_struct_fields[2] = &ffi_type_longdouble;
87	cls_struct_fields[3] = &ffi_type_longdouble;
88	cls_struct_fields[4] = &ffi_type_longdouble;
89	cls_struct_fields[5] = &ffi_type_double;
90	cls_struct_fields[6] = &ffi_type_longdouble;
91	cls_struct_fields[7] = NULL;
92
93	dbl_arg_types[0] = &cls_struct_type;
94	dbl_arg_types[1] = &cls_struct_type;
95	dbl_arg_types[2] = NULL;
96
97	CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
98		dbl_arg_types) == FFI_OK);
99
100	args_dbl[0] = &g_dbl;
101	args_dbl[1] = &f_dbl;
102	args_dbl[2] = NULL;
103
104	ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
105	/* { dg-output "1 2 3 4 5 6 7 8 9 10 11 12 13 14: 9 11 13 15 17 19 21" } */
106	printf("res: %Lg %Lg %Lg %Lg %Lg %g %Lg\n", res_dbl.a, res_dbl.b,
107		res_dbl.c, res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g);
108	/* { dg-output "\nres: 9 11 13 15 17 19 21" } */
109
110	CHECK(ffi_prep_closure(pcl, &cif, cls_struct_align_gn, NULL) == FFI_OK);
111
112	res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(pcl))(g_dbl, f_dbl);
113	/* { dg-output "\n1 2 3 4 5 6 7 8 9 10 11 12 13 14: 9 11 13 15 17 19 21" } */
114	printf("res: %Lg %Lg %Lg %Lg %Lg %g %Lg\n", res_dbl.a, res_dbl.b,
115		res_dbl.c, res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g);
116	/* { dg-output "\nres: 9 11 13 15 17 19 21" } */
117
118  exit(0);
119}
120