1 /* Area: ffi_call, closure_call
2 Purpose: Check structure alignment of sint32.
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 int 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 %d %d %d %d %d: %d %d %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 void *code;
47 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
48 void* args_dbl[5];
49 ffi_type* cls_struct_fields[4];
50 ffi_type cls_struct_type;
51 ffi_type* dbl_arg_types[5];
52
53 struct cls_struct_align g_dbl = { 12, 4951, 127 };
54 struct cls_struct_align f_dbl = { 1, 9320, 13 };
55 struct cls_struct_align res_dbl;
56
57 cls_struct_type.size = 0;
58 cls_struct_type.alignment = 0;
59 cls_struct_type.type = FFI_TYPE_STRUCT;
60 cls_struct_type.elements = cls_struct_fields;
61
62 cls_struct_fields[0] = &ffi_type_uchar;
63 cls_struct_fields[1] = &ffi_type_sint;
64 cls_struct_fields[2] = &ffi_type_uchar;
65 cls_struct_fields[3] = NULL;
66
67 dbl_arg_types[0] = &cls_struct_type;
68 dbl_arg_types[1] = &cls_struct_type;
69 dbl_arg_types[2] = NULL;
70
71 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
72 dbl_arg_types) == FFI_OK);
73
74 args_dbl[0] = &g_dbl;
75 args_dbl[1] = &f_dbl;
76 args_dbl[2] = NULL;
77
78 ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
79 /* { dg-output "12 4951 127 1 9320 13: 13 14271 140" } */
80 printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
81 /* { dg-output "\nres: 13 14271 140" } */
82
83 CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK);
84
85 res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl);
86 /* { dg-output "\n12 4951 127 1 9320 13: 13 14271 140" } */
87 printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
88 /* { dg-output "\nres: 13 14271 140" } */
89
90 exit(0);
91 }
92