1 /* Area: ffi_call, closure_call
2 Purpose: Check structure alignment of sint64.
3 Limitations: none.
4 PR: none.
5 Originator: <hos@tamanegi.org> 20031203 */
6
7 /* { dg-do run } */
8 #include "ffitest.h"
9
10 typedef struct cls_struct_align {
11 unsigned char a;
12 signed long long b;
13 unsigned char c;
14 } cls_struct_align;
15
cls_struct_align_fn(struct cls_struct_align a1,struct cls_struct_align a2)16 cls_struct_align cls_struct_align_fn(struct cls_struct_align a1,
17 struct cls_struct_align a2)
18 {
19 struct cls_struct_align result;
20
21 result.a = a1.a + a2.a;
22 result.b = a1.b + a2.b;
23 result.c = a1.c + a2.c;
24
25 printf("%d %lld %d %d %lld %d: %d %lld %d\n", a1.a, a1.b, a1.c, a2.a, a2.b, a2.c, result.a, result.b, result.c);
26
27 return result;
28 }
29
30 static void
cls_struct_align_gn(ffi_cif * cif __UNUSED__,void * resp,void ** args,void * userdata __UNUSED__)31 cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
32 void* userdata __UNUSED__)
33 {
34
35 struct cls_struct_align a1, a2;
36
37 a1 = *(struct cls_struct_align*)(args[0]);
38 a2 = *(struct cls_struct_align*)(args[1]);
39
40 *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
41 }
42
main(void)43 int main (void)
44 {
45 ffi_cif cif;
46 #ifndef USING_MMAP
47 static ffi_closure cl;
48 #endif
49 ffi_closure *pcl;
50 void* args_dbl[5];
51 ffi_type* cls_struct_fields[4];
52 ffi_type cls_struct_type;
53 ffi_type* dbl_arg_types[5];
54
55 #ifdef USING_MMAP
56 pcl = allocate_mmap (sizeof(ffi_closure));
57 #else
58 pcl = &cl;
59 #endif
60
61 cls_struct_type.size = 0;
62 cls_struct_type.alignment = 0;
63 cls_struct_type.type = FFI_TYPE_STRUCT;
64 cls_struct_type.elements = cls_struct_fields;
65
66 struct cls_struct_align g_dbl = { 12, 4951, 127 };
67 struct cls_struct_align f_dbl = { 1, 9320, 13 };
68 struct cls_struct_align res_dbl;
69
70 cls_struct_fields[0] = &ffi_type_uchar;
71 cls_struct_fields[1] = &ffi_type_sint64;
72 cls_struct_fields[2] = &ffi_type_uchar;
73 cls_struct_fields[3] = NULL;
74
75 dbl_arg_types[0] = &cls_struct_type;
76 dbl_arg_types[1] = &cls_struct_type;
77 dbl_arg_types[2] = NULL;
78
79 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
80 dbl_arg_types) == FFI_OK);
81
82 args_dbl[0] = &g_dbl;
83 args_dbl[1] = &f_dbl;
84 args_dbl[2] = NULL;
85
86 ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
87 /* { dg-output "12 4951 127 1 9320 13: 13 14271 140" } */
88 printf("res: %d %lld %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
89 /* { dg-output "\nres: 13 14271 140" } */
90
91 CHECK(ffi_prep_closure(pcl, &cif, cls_struct_align_gn, NULL) == FFI_OK);
92
93 res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(pcl))(g_dbl, f_dbl);
94 /* { dg-output "\n12 4951 127 1 9320 13: 13 14271 140" } */
95 printf("res: %d %lld %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
96 /* { dg-output "\nres: 13 14271 140" } */
97
98 exit(0);
99 }
100