1 /* Area: ffi_call, closure_call
2 Purpose: Check structure passing with different structure size.
3 Depending on the ABI. Check overlapping.
4 Limitations: none.
5 PR: none.
6 Originator: <andreast@gcc.gnu.org> 20030828 */
7
8 /* { dg-do run } */
9 #include "ffitest.h"
10
11 typedef struct cls_struct_8byte {
12 int a;
13 float b;
14 } cls_struct_8byte;
15
cls_struct_8byte_fn(struct cls_struct_8byte a1,struct cls_struct_8byte a2)16 cls_struct_8byte cls_struct_8byte_fn(struct cls_struct_8byte a1,
17 struct cls_struct_8byte a2)
18 {
19 struct cls_struct_8byte result;
20
21 result.a = a1.a + a2.a;
22 result.b = a1.b + a2.b;
23
24 printf("%d %g %d %g: %d %g\n", a1.a, a1.b, a2.a, a2.b, result.a, result.b);
25
26 return result;
27 }
28
29 static void
cls_struct_8byte_gn(ffi_cif * cif __UNUSED__,void * resp,void ** args,void * userdata __UNUSED__)30 cls_struct_8byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
31 void* userdata __UNUSED__)
32 {
33
34 struct cls_struct_8byte a1, a2;
35
36 a1 = *(struct cls_struct_8byte*)(args[0]);
37 a2 = *(struct cls_struct_8byte*)(args[1]);
38
39 *(cls_struct_8byte*)resp = cls_struct_8byte_fn(a1, a2);
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_8byte g_dbl = { 1, 2.0 };
66 struct cls_struct_8byte f_dbl = { 4, 5.0 };
67 struct cls_struct_8byte res_dbl;
68
69 cls_struct_fields[0] = &ffi_type_sint;
70 cls_struct_fields[1] = &ffi_type_float;
71 cls_struct_fields[2] = NULL;
72
73 dbl_arg_types[0] = &cls_struct_type;
74 dbl_arg_types[1] = &cls_struct_type;
75 dbl_arg_types[2] = NULL;
76
77 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
78 dbl_arg_types) == FFI_OK);
79
80 args_dbl[0] = &g_dbl;
81 args_dbl[1] = &f_dbl;
82 args_dbl[2] = NULL;
83
84 ffi_call(&cif, FFI_FN(cls_struct_8byte_fn), &res_dbl, args_dbl);
85 /* { dg-output "1 2 4 5: 5 7" } */
86 printf("res: %d %g\n", res_dbl.a, res_dbl.b);
87 /* { dg-output "\nres: 5 7" } */
88 CHECK(ffi_prep_closure(pcl, &cif, cls_struct_8byte_gn, NULL) == FFI_OK);
89
90 res_dbl = ((cls_struct_8byte(*)(cls_struct_8byte, cls_struct_8byte))(pcl))(g_dbl, f_dbl);
91 /* { dg-output "\n1 2 4 5: 5 7" } */
92 printf("res: %d %g\n", res_dbl.a, res_dbl.b);
93 /* { dg-output "\nres: 5 7" } */
94
95 exit(0);
96 }
97