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 strongarm*-*-* } } */
9 /* { dg-options -mlong-double-128 { target powerpc64*-*-linux* } } */
10
11 #include "ffitest.h"
12
13 typedef 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
cls_struct_align_fn(cls_struct_align a1,cls_struct_align a2)23 cls_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
46 static void
cls_struct_align_gn(ffi_cif * cif __UNUSED__,void * resp,void ** args,void * userdata __UNUSED__)47 cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
48 void* userdata __UNUSED__)
49 {
50 struct cls_struct_align a1, a2;
51
52 a1 = *(struct cls_struct_align*)(args[0]);
53 a2 = *(struct cls_struct_align*)(args[1]);
54
55 *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
56 }
57
main(void)58 int main (void)
59 {
60 ffi_cif cif;
61 void *code;
62 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
63 void* args_dbl[3];
64 ffi_type* cls_struct_fields[8];
65 ffi_type cls_struct_type;
66 ffi_type* dbl_arg_types[3];
67
68 struct cls_struct_align g_dbl = { 1, 2, 3, 4, 5, 6, 7 };
69 struct cls_struct_align f_dbl = { 8, 9, 10, 11, 12, 13, 14 };
70 struct cls_struct_align res_dbl;
71
72 cls_struct_type.size = 0;
73 cls_struct_type.alignment = 0;
74 cls_struct_type.type = FFI_TYPE_STRUCT;
75 cls_struct_type.elements = cls_struct_fields;
76
77 cls_struct_fields[0] = &ffi_type_longdouble;
78 cls_struct_fields[1] = &ffi_type_longdouble;
79 cls_struct_fields[2] = &ffi_type_longdouble;
80 cls_struct_fields[3] = &ffi_type_longdouble;
81 cls_struct_fields[4] = &ffi_type_longdouble;
82 cls_struct_fields[5] = &ffi_type_double;
83 cls_struct_fields[6] = &ffi_type_longdouble;
84 cls_struct_fields[7] = NULL;
85
86 dbl_arg_types[0] = &cls_struct_type;
87 dbl_arg_types[1] = &cls_struct_type;
88 dbl_arg_types[2] = NULL;
89
90 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
91 dbl_arg_types) == FFI_OK);
92
93 args_dbl[0] = &g_dbl;
94 args_dbl[1] = &f_dbl;
95 args_dbl[2] = NULL;
96
97 ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
98 /* { dg-output "1 2 3 4 5 6 7 8 9 10 11 12 13 14: 9 11 13 15 17 19 21" } */
99 printf("res: %Lg %Lg %Lg %Lg %Lg %g %Lg\n", res_dbl.a, res_dbl.b,
100 res_dbl.c, res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g);
101 /* { dg-output "\nres: 9 11 13 15 17 19 21" } */
102
103 CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK);
104
105 res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl);
106 /* { dg-output "\n1 2 3 4 5 6 7 8 9 10 11 12 13 14: 9 11 13 15 17 19 21" } */
107 printf("res: %Lg %Lg %Lg %Lg %Lg %g %Lg\n", res_dbl.a, res_dbl.b,
108 res_dbl.c, res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g);
109 /* { dg-output "\nres: 9 11 13 15 17 19 21" } */
110
111 exit(0);
112 }
113
114
115
116