1 /* Area: ffi_call, closure_call
2 Purpose: Check structure passing with different structure size.
3 Depending on the ABI. Darwin/AIX do double-word
4 alignment of the struct if the first element is a double.
5 Check that it does not here.
6 Limitations: none.
7 PR: none.
8 Originator: <andreast@gcc.gnu.org> 20030914 */
9
10 /* { dg-do run } */
11 #include "ffitest.h"
12
13 typedef struct cls_struct_9byte {
14 int a;
15 double b;
16 } cls_struct_9byte;
17
cls_struct_9byte_fn(struct cls_struct_9byte b1,struct cls_struct_9byte b2)18 cls_struct_9byte cls_struct_9byte_fn(struct cls_struct_9byte b1,
19 struct cls_struct_9byte b2)
20 {
21 struct cls_struct_9byte result;
22
23 result.a = b1.a + b2.a;
24 result.b = b1.b + b2.b;
25
26 printf("%d %g %d %g: %d %g\n", b1.a, b1.b, b2.a, b2.b,
27 result.a, result.b);
28
29 return result;
30 }
31
cls_struct_9byte_gn(ffi_cif * cif __UNUSED__,void * resp,void ** args,void * userdata __UNUSED__)32 static void cls_struct_9byte_gn(ffi_cif* cif __UNUSED__, void* resp,
33 void** args, void* userdata __UNUSED__)
34 {
35 struct cls_struct_9byte b1, b2;
36
37 b1 = *(struct cls_struct_9byte*)(args[0]);
38 b2 = *(struct cls_struct_9byte*)(args[1]);
39
40 *(cls_struct_9byte*)resp = cls_struct_9byte_fn(b1, b2);
41 }
42
main(void)43 int main (void)
44 {
45 ffi_cif cif;
46 #ifndef USING_MMAP
47 static ffi_closure cl;
48 #endif
49 ffi_closure *pcl;
50 void* args_dbl[3];
51 ffi_type* cls_struct_fields[3];
52 ffi_type cls_struct_type;
53 ffi_type* dbl_arg_types[3];
54
55 #ifdef USING_MMAP
56 pcl = allocate_mmap (sizeof(ffi_closure));
57 #else
58 pcl = &cl;
59 #endif
60
61 cls_struct_type.size = 0;
62 cls_struct_type.alignment = 0;
63 cls_struct_type.type = FFI_TYPE_STRUCT;
64 cls_struct_type.elements = cls_struct_fields;
65
66 struct cls_struct_9byte h_dbl = { 7, 8.0};
67 struct cls_struct_9byte j_dbl = { 1, 9.0};
68 struct cls_struct_9byte res_dbl;
69
70 cls_struct_fields[0] = &ffi_type_sint;
71 cls_struct_fields[1] = &ffi_type_double;
72 cls_struct_fields[2] = 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_9byte_fn), &res_dbl, args_dbl);
86 /* { dg-output "7 8 1 9: 8 17" } */
87 printf("res: %d %g\n", res_dbl.a, res_dbl.b);
88 /* { dg-output "\nres: 8 17" } */
89
90 CHECK(ffi_prep_closure(pcl, &cif, cls_struct_9byte_gn, NULL) == FFI_OK);
91
92 res_dbl = ((cls_struct_9byte(*)(cls_struct_9byte, cls_struct_9byte))(pcl))(h_dbl, j_dbl);
93 /* { dg-output "\n7 8 1 9: 8 17" } */
94 printf("res: %d %g\n", res_dbl.a, res_dbl.b);
95 /* { dg-output "\nres: 8 17" } */
96
97 exit(0);
98 }
99