1 /* Area: ffi_call, closure_call
2 Purpose: Check structure passing with different structure size.
3 Limitations: none.
4 PR: none.
5 Originator: <andreast@gcc.gnu.org> 20030828 */
6
7 /* { dg-do run } */
8 #include "ffitest.h"
9
10 typedef struct cls_struct_12byte {
11 int a;
12 int b;
13 int c;
14 } cls_struct_12byte;
15
cls_struct_12byte_fn(struct cls_struct_12byte b1,struct cls_struct_12byte b2)16 cls_struct_12byte cls_struct_12byte_fn(struct cls_struct_12byte b1,
17 struct cls_struct_12byte b2)
18 {
19 struct cls_struct_12byte result;
20
21 result.a = b1.a + b2.a;
22 result.b = b1.b + b2.b;
23 result.c = b1.c + b2.c;
24
25 printf("%d %d %d %d %d %d: %d %d %d\n", b1.a, b1.b, b1.c, b2.a, b2.b, b2.c,
26 result.a, result.b, result.c);
27
28 return result;
29 }
30
cls_struct_12byte_gn(ffi_cif * cif __UNUSED__,void * resp,void ** args,void * userdata __UNUSED__)31 static void cls_struct_12byte_gn(ffi_cif* cif __UNUSED__, void* resp,
32 void** args , void* userdata __UNUSED__)
33 {
34 struct cls_struct_12byte b1, b2;
35
36 b1 = *(struct cls_struct_12byte*)(args[0]);
37 b2 = *(struct cls_struct_12byte*)(args[1]);
38
39 *(cls_struct_12byte*)resp = cls_struct_12byte_fn(b1, b2);
40 }
41
main(void)42 int main (void)
43 {
44 ffi_cif cif;
45 #ifndef USING_MMAP
46 static ffi_closure cl;
47 #endif
48 ffi_closure *pcl;
49 void* args_dbl[5];
50 ffi_type* cls_struct_fields[4];
51 ffi_type cls_struct_type;
52 ffi_type* dbl_arg_types[5];
53
54 #ifdef USING_MMAP
55 pcl = allocate_mmap (sizeof(ffi_closure));
56 #else
57 pcl = &cl;
58 #endif
59
60 cls_struct_type.size = 0;
61 cls_struct_type.alignment = 0;
62 cls_struct_type.type = FFI_TYPE_STRUCT;
63 cls_struct_type.elements = cls_struct_fields;
64
65 struct cls_struct_12byte h_dbl = { 7, 4, 9 };
66 struct cls_struct_12byte j_dbl = { 1, 5, 3 };
67 struct cls_struct_12byte res_dbl;
68
69 cls_struct_fields[0] = &ffi_type_sint;
70 cls_struct_fields[1] = &ffi_type_sint;
71 cls_struct_fields[2] = &ffi_type_sint;
72 cls_struct_fields[3] = NULL;
73
74 dbl_arg_types[0] = &cls_struct_type;
75 dbl_arg_types[1] = &cls_struct_type;
76 dbl_arg_types[2] = NULL;
77
78 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
79 dbl_arg_types) == FFI_OK);
80
81 args_dbl[0] = &h_dbl;
82 args_dbl[1] = &j_dbl;
83 args_dbl[2] = NULL;
84
85 ffi_call(&cif, FFI_FN(cls_struct_12byte_fn), &res_dbl, args_dbl);
86 /* { dg-output "7 4 9 1 5 3: 8 9 12" } */
87 printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
88 /* { dg-output "\nres: 8 9 12" } */
89
90 CHECK(ffi_prep_closure(pcl, &cif, cls_struct_12byte_gn, NULL) == FFI_OK);
91
92 res_dbl.a = 0;
93 res_dbl.b = 0;
94 res_dbl.c = 0;
95
96 res_dbl = ((cls_struct_12byte(*)(cls_struct_12byte, cls_struct_12byte))(pcl))(h_dbl, j_dbl);
97 /* { dg-output "\n7 4 9 1 5 3: 8 9 12" } */
98 printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
99 /* { dg-output "\nres: 8 9 12" } */
100
101 exit(0);
102 }
103