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 /* { dg-options "-Wno-format" { target alpha*-dec-osf* } } */
10 #include "ffitest.h"
11
12 typedef struct cls_struct_align {
13 unsigned char a;
14 unsigned long long b;
15 unsigned char c;
16 } cls_struct_align;
17
cls_struct_align_fn(struct cls_struct_align a1,struct cls_struct_align a2)18 cls_struct_align cls_struct_align_fn(struct cls_struct_align a1,
19 struct cls_struct_align a2)
20 {
21 struct cls_struct_align result;
22
23 result.a = a1.a + a2.a;
24 result.b = a1.b + a2.b;
25 result.c = a1.c + a2.c;
26
27 printf("%d %" PRIdLL " %d %d %" PRIdLL " %d: %d %" PRIdLL " %d\n", a1.a, a1.b, a1.c, a2.a, a2.b, a2.c, result.a, result.b, result.c);
28
29 return result;
30 }
31
32 static void
cls_struct_align_gn(ffi_cif * cif __UNUSED__,void * resp,void ** args,void * userdata __UNUSED__)33 cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
34 void* userdata __UNUSED__)
35 {
36
37 struct cls_struct_align a1, a2;
38
39 a1 = *(struct cls_struct_align*)(args[0]);
40 a2 = *(struct cls_struct_align*)(args[1]);
41
42 *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
43 }
44
main(void)45 int main (void)
46 {
47 ffi_cif cif;
48 void *code;
49 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
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 struct cls_struct_align g_dbl = { 12, 4951, 127 };
56 struct cls_struct_align f_dbl = { 1, 9320, 13 };
57 struct cls_struct_align res_dbl;
58
59 cls_struct_type.size = 0;
60 cls_struct_type.alignment = 0;
61 cls_struct_type.type = FFI_TYPE_STRUCT;
62 cls_struct_type.elements = cls_struct_fields;
63
64 cls_struct_fields[0] = &ffi_type_uchar;
65 cls_struct_fields[1] = &ffi_type_uint64;
66 cls_struct_fields[2] = &ffi_type_uchar;
67 cls_struct_fields[3] = NULL;
68
69 dbl_arg_types[0] = &cls_struct_type;
70 dbl_arg_types[1] = &cls_struct_type;
71 dbl_arg_types[2] = NULL;
72
73 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
74 dbl_arg_types) == FFI_OK);
75
76 args_dbl[0] = &g_dbl;
77 args_dbl[1] = &f_dbl;
78 args_dbl[2] = NULL;
79
80 ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
81 /* { dg-output "12 4951 127 1 9320 13: 13 14271 140" } */
82 printf("res: %d %" PRIdLL " %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
83 /* { dg-output "\nres: 13 14271 140" } */
84
85 CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK);
86
87 res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl);
88 /* { dg-output "\n12 4951 127 1 9320 13: 13 14271 140" } */
89 printf("res: %d %" PRIdLL " %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
90 /* { dg-output "\nres: 13 14271 140" } */
91
92 exit(0);
93 }
94