Lloyd Pique | 457ba79 | 2015-10-27 14:32:21 -0700 | [diff] [blame] | 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 | |
| 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 |
| 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 | |
| 42 | int main (void) |
| 43 | { |
| 44 | ffi_cif cif; |
| 45 | void *code; |
| 46 | ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code); |
| 47 | void* args_dbl[5]; |
| 48 | ffi_type* cls_struct_fields[4]; |
| 49 | ffi_type cls_struct_type; |
| 50 | ffi_type* dbl_arg_types[5]; |
| 51 | |
| 52 | struct cls_struct_8byte g_dbl = { 1, 2.0 }; |
| 53 | struct cls_struct_8byte f_dbl = { 4, 5.0 }; |
| 54 | struct cls_struct_8byte res_dbl; |
| 55 | |
| 56 | cls_struct_type.size = 0; |
| 57 | cls_struct_type.alignment = 0; |
| 58 | cls_struct_type.type = FFI_TYPE_STRUCT; |
| 59 | cls_struct_type.elements = cls_struct_fields; |
| 60 | |
| 61 | cls_struct_fields[0] = &ffi_type_sint; |
| 62 | cls_struct_fields[1] = &ffi_type_float; |
| 63 | cls_struct_fields[2] = NULL; |
| 64 | |
| 65 | dbl_arg_types[0] = &cls_struct_type; |
| 66 | dbl_arg_types[1] = &cls_struct_type; |
| 67 | dbl_arg_types[2] = NULL; |
| 68 | |
| 69 | CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type, |
| 70 | dbl_arg_types) == FFI_OK); |
| 71 | |
| 72 | args_dbl[0] = &g_dbl; |
| 73 | args_dbl[1] = &f_dbl; |
| 74 | args_dbl[2] = NULL; |
| 75 | |
| 76 | ffi_call(&cif, FFI_FN(cls_struct_8byte_fn), &res_dbl, args_dbl); |
| 77 | /* { dg-output "1 2 4 5: 5 7" } */ |
| 78 | printf("res: %d %g\n", res_dbl.a, res_dbl.b); |
| 79 | /* { dg-output "\nres: 5 7" } */ |
| 80 | CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_8byte_gn, NULL, code) == FFI_OK); |
| 81 | |
| 82 | res_dbl = ((cls_struct_8byte(*)(cls_struct_8byte, cls_struct_8byte))(code))(g_dbl, f_dbl); |
| 83 | /* { dg-output "\n1 2 4 5: 5 7" } */ |
| 84 | printf("res: %d %g\n", res_dbl.a, res_dbl.b); |
| 85 | /* { dg-output "\nres: 5 7" } */ |
| 86 | |
| 87 | exit(0); |
| 88 | } |