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. 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_5byte { |
| 12 | unsigned short a; |
| 13 | unsigned short b; |
| 14 | unsigned char c; |
| 15 | } cls_struct_5byte; |
| 16 | |
| 17 | cls_struct_5byte cls_struct_5byte_fn(struct cls_struct_5byte a1, |
| 18 | struct cls_struct_5byte a2) |
| 19 | { |
| 20 | struct cls_struct_5byte result; |
| 21 | |
| 22 | result.a = a1.a + a2.a; |
| 23 | result.b = a1.b + a2.b; |
| 24 | result.c = a1.c + a2.c; |
| 25 | |
| 26 | printf("%d %d %d %d %d %d: %d %d %d\n", a1.a, a1.b, a1.c, |
| 27 | a2.a, a2.b, a2.c, |
| 28 | result.a, result.b, result.c); |
| 29 | |
| 30 | return result; |
| 31 | } |
| 32 | |
| 33 | static void |
| 34 | cls_struct_5byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args, |
| 35 | void* userdata __UNUSED__) |
| 36 | { |
| 37 | |
| 38 | struct cls_struct_5byte a1, a2; |
| 39 | |
| 40 | a1 = *(struct cls_struct_5byte*)(args[0]); |
| 41 | a2 = *(struct cls_struct_5byte*)(args[1]); |
| 42 | |
| 43 | *(cls_struct_5byte*)resp = cls_struct_5byte_fn(a1, a2); |
| 44 | } |
| 45 | |
| 46 | int main (void) |
| 47 | { |
| 48 | ffi_cif cif; |
| 49 | void *code; |
| 50 | ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code); |
| 51 | void* args_dbl[5]; |
| 52 | ffi_type* cls_struct_fields[4]; |
| 53 | ffi_type cls_struct_type; |
| 54 | ffi_type* dbl_arg_types[5]; |
| 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 | struct cls_struct_5byte g_dbl = { 127, 120, 1 }; |
| 62 | struct cls_struct_5byte f_dbl = { 12, 128, 9 }; |
| 63 | struct cls_struct_5byte res_dbl = { 0, 0, 0 }; |
| 64 | |
| 65 | cls_struct_fields[0] = &ffi_type_ushort; |
| 66 | cls_struct_fields[1] = &ffi_type_ushort; |
| 67 | cls_struct_fields[2] = &ffi_type_uchar; |
| 68 | cls_struct_fields[3] = NULL; |
| 69 | |
| 70 | dbl_arg_types[0] = &cls_struct_type; |
| 71 | dbl_arg_types[1] = &cls_struct_type; |
| 72 | dbl_arg_types[2] = NULL; |
| 73 | |
| 74 | CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type, |
| 75 | dbl_arg_types) == FFI_OK); |
| 76 | |
| 77 | args_dbl[0] = &g_dbl; |
| 78 | args_dbl[1] = &f_dbl; |
| 79 | args_dbl[2] = NULL; |
| 80 | |
| 81 | ffi_call(&cif, FFI_FN(cls_struct_5byte_fn), &res_dbl, args_dbl); |
| 82 | /* { dg-output "127 120 1 12 128 9: 139 248 10" } */ |
| 83 | printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c); |
| 84 | /* { dg-output "\nres: 139 248 10" } */ |
| 85 | |
| 86 | res_dbl.a = 0; |
| 87 | res_dbl.b = 0; |
| 88 | res_dbl.c = 0; |
| 89 | |
| 90 | CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_5byte_gn, NULL, code) == FFI_OK); |
| 91 | |
| 92 | res_dbl = ((cls_struct_5byte(*)(cls_struct_5byte, cls_struct_5byte))(code))(g_dbl, f_dbl); |
| 93 | /* { dg-output "\n127 120 1 12 128 9: 139 248 10" } */ |
| 94 | printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c); |
| 95 | /* { dg-output "\nres: 139 248 10" } */ |
| 96 | |
| 97 | exit(0); |
| 98 | } |