1 /* Area: ffi_call, closure_call
2 Purpose: Check structure alignment of uint64.
3 Limitations: none.
4 PR: none.
5 Originator: <hos@tamanegi.org> 20031203 */
6
7
8 /* { dg-do run } */
9 #include "ffitest.h"
10
11 typedef struct cls_struct_align {
12 unsigned char a;
13 unsigned long long b;
14 unsigned char c;
15 } cls_struct_align;
16
cls_struct_align_fn(struct cls_struct_align a1,struct cls_struct_align a2)17 cls_struct_align cls_struct_align_fn(struct cls_struct_align a1,
18 struct cls_struct_align a2)
19 {
20 struct cls_struct_align result;
21
22 result.a = a1.a + a2.a;
23 result.b = a1.b + a2.b;
24 result.c = a1.c + a2.c;
25
26 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);
27
28 return result;
29 }
30
31 static void
cls_struct_align_gn(ffi_cif * cif __UNUSED__,void * resp,void ** args,void * userdata __UNUSED__)32 cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
33 void* userdata __UNUSED__)
34 {
35
36 struct cls_struct_align a1, a2;
37
38 a1 = *(struct cls_struct_align*)(args[0]);
39 a2 = *(struct cls_struct_align*)(args[1]);
40
41 *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
42 }
43
main(void)44 int main (void)
45 {
46 ffi_cif cif;
47 #ifndef USING_MMAP
48 static ffi_closure cl;
49 #endif
50 ffi_closure *pcl;
51 void* args_dbl[5];
52 ffi_type* cls_struct_fields[4];
53 ffi_type cls_struct_type;
54 ffi_type* dbl_arg_types[5];
55
56 #ifdef USING_MMAP
57 pcl = allocate_mmap (sizeof(ffi_closure));
58 #else
59 pcl = &cl;
60 #endif
61
62 cls_struct_type.size = 0;
63 cls_struct_type.alignment = 0;
64 cls_struct_type.type = FFI_TYPE_STRUCT;
65 cls_struct_type.elements = cls_struct_fields;
66
67 struct cls_struct_align g_dbl = { 12, 4951, 127 };
68 struct cls_struct_align f_dbl = { 1, 9320, 13 };
69 struct cls_struct_align res_dbl;
70
71 cls_struct_fields[0] = &ffi_type_uchar;
72 cls_struct_fields[1] = &ffi_type_uint64;
73 cls_struct_fields[2] = &ffi_type_uchar;
74 cls_struct_fields[3] = NULL;
75
76 dbl_arg_types[0] = &cls_struct_type;
77 dbl_arg_types[1] = &cls_struct_type;
78 dbl_arg_types[2] = NULL;
79
80 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
81 dbl_arg_types) == FFI_OK);
82
83 args_dbl[0] = &g_dbl;
84 args_dbl[1] = &f_dbl;
85 args_dbl[2] = NULL;
86
87 ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
88 /* { dg-output "12 4951 127 1 9320 13: 13 14271 140" } */
89 printf("res: %d %lld %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
90 /* { dg-output "\nres: 13 14271 140" } */
91
92 CHECK(ffi_prep_closure(pcl, &cif, cls_struct_align_gn, NULL) == FFI_OK);
93
94 res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(pcl))(g_dbl, f_dbl);
95 /* { dg-output "\n12 4951 127 1 9320 13: 13 14271 140" } */
96 printf("res: %d %lld %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
97 /* { dg-output "\nres: 13 14271 140" } */
98
99 exit(0);
100 }
101