Matthias Klose | a834975 | 2010-03-15 13:25:28 +0000 | [diff] [blame] | 1 | /* Area: ffi_call, closure_call |
| 2 | Purpose: Check structure passing with different structure size. |
| 3 | Depending on the ABI. Double alignment check on darwin. |
| 4 | Limitations: none. |
| 5 | PR: none. |
| 6 | Originator: <andreast@gcc.gnu.org> 20030915 */ |
| 7 | |
| 8 | /* { dg-do run } */ |
| 9 | #include "ffitest.h" |
| 10 | |
| 11 | typedef struct cls_struct_19byte { |
| 12 | double a; |
| 13 | unsigned char b; |
| 14 | unsigned char c; |
| 15 | double d; |
| 16 | unsigned char e; |
| 17 | } cls_struct_19byte; |
| 18 | |
| 19 | cls_struct_19byte cls_struct_19byte_fn(struct cls_struct_19byte a1, |
| 20 | struct cls_struct_19byte a2) |
| 21 | { |
| 22 | struct cls_struct_19byte result; |
| 23 | |
| 24 | result.a = a1.a + a2.a; |
| 25 | result.b = a1.b + a2.b; |
| 26 | result.c = a1.c + a2.c; |
| 27 | result.d = a1.d + a2.d; |
| 28 | result.e = a1.e + a2.e; |
| 29 | |
| 30 | |
| 31 | printf("%g %d %d %g %d %g %d %d %g %d: %g %d %d %g %d\n", |
| 32 | a1.a, a1.b, a1.c, a1.d, a1.e, |
| 33 | a2.a, a2.b, a2.c, a2.d, a2.e, |
| 34 | result.a, result.b, result.c, result.d, result.e); |
| 35 | return result; |
| 36 | } |
| 37 | |
| 38 | static void |
| 39 | cls_struct_19byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args, |
| 40 | void* userdata __UNUSED__) |
| 41 | { |
| 42 | struct cls_struct_19byte a1, a2; |
| 43 | |
| 44 | a1 = *(struct cls_struct_19byte*)(args[0]); |
| 45 | a2 = *(struct cls_struct_19byte*)(args[1]); |
| 46 | |
| 47 | *(cls_struct_19byte*)resp = cls_struct_19byte_fn(a1, a2); |
| 48 | } |
| 49 | |
| 50 | int main (void) |
| 51 | { |
| 52 | ffi_cif cif; |
| 53 | void *code; |
| 54 | ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code); |
| 55 | void* args_dbl[3]; |
| 56 | ffi_type* cls_struct_fields[6]; |
| 57 | ffi_type cls_struct_type; |
| 58 | ffi_type* dbl_arg_types[3]; |
| 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_19byte g_dbl = { 1.0, 127, 126, 3.0, 120 }; |
| 66 | struct cls_struct_19byte f_dbl = { 4.0, 125, 124, 5.0, 119 }; |
| 67 | struct cls_struct_19byte res_dbl; |
| 68 | |
| 69 | cls_struct_fields[0] = &ffi_type_double; |
| 70 | cls_struct_fields[1] = &ffi_type_uchar; |
| 71 | cls_struct_fields[2] = &ffi_type_uchar; |
| 72 | cls_struct_fields[3] = &ffi_type_double; |
| 73 | cls_struct_fields[4] = &ffi_type_uchar; |
| 74 | cls_struct_fields[5] = NULL; |
| 75 | |
| 76 | dbl_arg_types[0] = &cls_struct_type; |
| 77 | dbl_arg_types[1] = &cls_struct_type; |
| 78 | dbl_arg_types[2] = NULL; |
| 79 | |
| 80 | CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type, |
| 81 | dbl_arg_types) == FFI_OK); |
| 82 | |
| 83 | args_dbl[0] = &g_dbl; |
| 84 | args_dbl[1] = &f_dbl; |
| 85 | args_dbl[2] = NULL; |
| 86 | |
| 87 | ffi_call(&cif, FFI_FN(cls_struct_19byte_fn), &res_dbl, args_dbl); |
| 88 | /* { dg-output "1 127 126 3 120 4 125 124 5 119: 5 252 250 8 239" } */ |
| 89 | printf("res: %g %d %d %g %d\n", res_dbl.a, res_dbl.b, res_dbl.c, |
| 90 | res_dbl.d, res_dbl.e); |
| 91 | /* { dg-output "\nres: 5 252 250 8 239" } */ |
| 92 | |
| 93 | CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_19byte_gn, NULL, code) == FFI_OK); |
| 94 | |
| 95 | res_dbl = ((cls_struct_19byte(*)(cls_struct_19byte, cls_struct_19byte))(code))(g_dbl, f_dbl); |
| 96 | /* { dg-output "\n1 127 126 3 120 4 125 124 5 119: 5 252 250 8 239" } */ |
| 97 | printf("res: %g %d %d %g %d\n", res_dbl.a, res_dbl.b, res_dbl.c, |
| 98 | res_dbl.d, res_dbl.e); |
| 99 | /* { dg-output "\nres: 5 252 250 8 239" } */ |
| 100 | |
| 101 | exit(0); |
| 102 | } |