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Commit | Line | Data |
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8a6b509e AT |
1 | /* Area: ffi_call, closure_call |
2 | Purpose: Check structure passing with different structure size. | |
3 | Especially with small structures which may fit in one | |
4 | register. Depending on the ABI. | |
5 | Limitations: none. | |
6 | PR: none. | |
7 | Originator: <andreast@gcc.gnu.org> 20030828 */ | |
8 | ||
dfbb3e36 | 9 | /* { dg-do run } */ |
8a6b509e AT |
10 | #include "ffitest.h" |
11 | ||
12 | typedef struct cls_struct_2byte { | |
13 | unsigned char a; | |
14 | unsigned char b; | |
15 | } cls_struct_2byte; | |
16 | ||
17 | cls_struct_2byte cls_struct_2byte_fn(struct cls_struct_2byte a1, | |
18 | struct cls_struct_2byte a2) | |
19 | { | |
20 | struct cls_struct_2byte result; | |
21 | ||
22 | result.a = a1.a + a2.a; | |
23 | result.b = a1.b + a2.b; | |
24 | ||
25 | printf("%d %d %d %d: %d %d\n", a1.a, a1.b, a2.a, a2.b, result.a, result.b); | |
26 | ||
27 | return result; | |
28 | } | |
29 | ||
9e3bfa9b | 30 | static void |
9fdeb13b AT |
31 | cls_struct_2byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args, |
32 | void* userdata __UNUSED__) | |
9e3bfa9b AT |
33 | { |
34 | ||
8a6b509e AT |
35 | struct cls_struct_2byte a1, a2; |
36 | ||
37 | a1 = *(struct cls_struct_2byte*)(args[0]); | |
38 | a2 = *(struct cls_struct_2byte*)(args[1]); | |
39 | ||
40 | *(cls_struct_2byte*)resp = cls_struct_2byte_fn(a1, a2); | |
41 | } | |
42 | ||
43 | int main (void) | |
44 | { | |
45 | ffi_cif cif; | |
062b8279 AH |
46 | void *code; |
47 | ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code); | |
8a6b509e AT |
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 | ||
b4b575ce AG |
53 | struct cls_struct_2byte g_dbl = { 12, 127 }; |
54 | struct cls_struct_2byte f_dbl = { 1, 13 }; | |
55 | struct cls_struct_2byte res_dbl; | |
56 | ||
8a6b509e AT |
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 | ||
8a6b509e AT |
62 | cls_struct_fields[0] = &ffi_type_uchar; |
63 | cls_struct_fields[1] = &ffi_type_uchar; | |
64 | cls_struct_fields[2] = NULL; | |
9e3bfa9b | 65 | |
8a6b509e AT |
66 | dbl_arg_types[0] = &cls_struct_type; |
67 | dbl_arg_types[1] = &cls_struct_type; | |
68 | dbl_arg_types[2] = NULL; | |
9e3bfa9b AT |
69 | |
70 | CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type, | |
8a6b509e AT |
71 | dbl_arg_types) == FFI_OK); |
72 | ||
73 | args_dbl[0] = &g_dbl; | |
74 | args_dbl[1] = &f_dbl; | |
75 | args_dbl[2] = NULL; | |
76 | ||
77 | ffi_call(&cif, FFI_FN(cls_struct_2byte_fn), &res_dbl, args_dbl); | |
78 | /* { dg-output "12 127 1 13: 13 140" } */ | |
647af4a9 AT |
79 | printf("res: %d %d\n", res_dbl.a, res_dbl.b); |
80 | /* { dg-output "\nres: 13 140" } */ | |
8a6b509e | 81 | |
062b8279 | 82 | CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_2byte_gn, NULL, code) == FFI_OK); |
9e3bfa9b | 83 | |
062b8279 | 84 | res_dbl = ((cls_struct_2byte(*)(cls_struct_2byte, cls_struct_2byte))(code))(g_dbl, f_dbl); |
8a6b509e | 85 | /* { dg-output "\n12 127 1 13: 13 140" } */ |
647af4a9 AT |
86 | printf("res: %d %d\n", res_dbl.a, res_dbl.b); |
87 | /* { dg-output "\nres: 13 140" } */ | |
8a6b509e AT |
88 | |
89 | exit(0); | |
90 | } |