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: <compnerd@compnerd.org> 20171026 */
7
8 /* { dg-do run } */
9
10 #include "ffitest.h"
11
12 typedef struct cls_struct_3float {
13 float f;
14 float g;
15 float h;
16 } cls_struct_3float;
17
cls_struct_3float_fn(struct cls_struct_3float a1,struct cls_struct_3float a2)18 cls_struct_3float cls_struct_3float_fn(struct cls_struct_3float a1,
19 struct cls_struct_3float a2)
20 {
21 struct cls_struct_3float result;
22
23 result.f = a1.f + a2.f;
24 result.g = a1.g + a2.g;
25 result.h = a1.h + a2.h;
26
27 printf("%g %g %g %g %g %g: %g %g %g\n", a1.f, a1.g, a1.h,
28 a2.f, a2.g, a2.h, result.f, result.g, result.h);
29
30 return result;
31 }
32
33 static void
cls_struct_3float_gn(ffi_cif * cif __UNUSED__,void * resp,void ** args,void * userdata __UNUSED__)34 cls_struct_3float_gn(ffi_cif *cif __UNUSED__, void* resp, void **args,
35 void* userdata __UNUSED__)
36 {
37 struct cls_struct_3float a1, a2;
38
39 a1 = *(struct cls_struct_3float*)(args[0]);
40 a2 = *(struct cls_struct_3float*)(args[1]);
41
42 *(cls_struct_3float*)resp = cls_struct_3float_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[3];
51 ffi_type* cls_struct_fields[4];
52 ffi_type cls_struct_type;
53 ffi_type* dbl_arg_types[3];
54
55 struct cls_struct_3float g_dbl = { 1.0f, 2.0f, 3.0f };
56 struct cls_struct_3float f_dbl = { 1.0f, 2.0f, 3.0f };
57 struct cls_struct_3float res_dbl;
58
59 cls_struct_fields[0] = &ffi_type_float;
60 cls_struct_fields[1] = &ffi_type_float;
61 cls_struct_fields[2] = &ffi_type_float;
62 cls_struct_fields[3] = NULL;
63
64 cls_struct_type.size = 0;
65 cls_struct_type.alignment = 0;
66 cls_struct_type.type = FFI_TYPE_STRUCT;
67 cls_struct_type.elements = cls_struct_fields;
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_3float_fn), &res_dbl, args_dbl);
81 /* { dg-output "1 2 3 1 2 3: 2 4 6" } */
82 printf("res: %g %g %g\n", res_dbl.f, res_dbl.g, res_dbl.h);
83 /* { dg-output "\nres: 2 4 6" } */
84
85 CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_3float_gn, NULL, code) ==
86 FFI_OK);
87
88 res_dbl = ((cls_struct_3float(*)(cls_struct_3float,
89 cls_struct_3float))(code))(g_dbl, f_dbl);
90 /* { dg-output "\n1 2 3 1 2 3: 2 4 6" } */
91 printf("res: %g %g %g\n", res_dbl.f, res_dbl.g, res_dbl.h);
92 /* { dg-output "\nres: 2 4 6" } */
93
94 exit(0);
95 }
96