| /* Area: ffi_call, closure_call |
| Purpose: Check structure passing with different structure size. |
| Depending on the ABI. Check overlapping. |
| Limitations: none. |
| PR: none. |
| Originator: <andreast@gcc.gnu.org> 20030828 */ |
| |
| /* { dg-do run } */ |
| #include "ffitest.h" |
| |
| typedef struct cls_struct_16byte { |
| int a; |
| double b; |
| int c; |
| } cls_struct_16byte; |
| |
| cls_struct_16byte cls_struct_16byte_fn(struct cls_struct_16byte b1, |
| struct cls_struct_16byte b2) |
| { |
| struct cls_struct_16byte result; |
| |
| result.a = b1.a + b2.a; |
| result.b = b1.b + b2.b; |
| result.c = b1.c + b2.c; |
| |
| printf("%d %g %d %d %g %d: %d %g %d\n", b1.a, b1.b, b1.c, b2.a, b2.b, b2.c, |
| result.a, result.b, result.c); |
| |
| return result; |
| } |
| |
| static void cls_struct_16byte_gn(ffi_cif* cif __UNUSED__, void* resp, |
| void** args, void* userdata __UNUSED__) |
| { |
| struct cls_struct_16byte b1, b2; |
| |
| b1 = *(struct cls_struct_16byte*)(args[0]); |
| b2 = *(struct cls_struct_16byte*)(args[1]); |
| |
| *(cls_struct_16byte*)resp = cls_struct_16byte_fn(b1, b2); |
| } |
| |
| int main (void) |
| { |
| ffi_cif cif; |
| void *code; |
| ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code); |
| void* args_dbl[5]; |
| ffi_type* cls_struct_fields[4]; |
| ffi_type cls_struct_type; |
| ffi_type* dbl_arg_types[5]; |
| |
| cls_struct_type.size = 0; |
| cls_struct_type.alignment = 0; |
| cls_struct_type.type = FFI_TYPE_STRUCT; |
| cls_struct_type.elements = cls_struct_fields; |
| |
| struct cls_struct_16byte h_dbl = { 7, 8.0, 9 }; |
| struct cls_struct_16byte j_dbl = { 1, 9.0, 3 }; |
| struct cls_struct_16byte res_dbl; |
| |
| cls_struct_fields[0] = &ffi_type_sint; |
| cls_struct_fields[1] = &ffi_type_double; |
| cls_struct_fields[2] = &ffi_type_sint; |
| cls_struct_fields[3] = NULL; |
| |
| dbl_arg_types[0] = &cls_struct_type; |
| dbl_arg_types[1] = &cls_struct_type; |
| dbl_arg_types[2] = NULL; |
| |
| CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type, |
| dbl_arg_types) == FFI_OK); |
| |
| args_dbl[0] = &h_dbl; |
| args_dbl[1] = &j_dbl; |
| args_dbl[2] = NULL; |
| |
| ffi_call(&cif, FFI_FN(cls_struct_16byte_fn), &res_dbl, args_dbl); |
| /* { dg-output "7 8 9 1 9 3: 8 17 12" } */ |
| printf("res: %d %g %d\n", res_dbl.a, res_dbl.b, res_dbl.c); |
| /* { dg-output "\nres: 8 17 12" } */ |
| |
| res_dbl.a = 0; |
| res_dbl.b = 0.0; |
| res_dbl.c = 0; |
| |
| CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_16byte_gn, NULL, code) == FFI_OK); |
| |
| res_dbl = ((cls_struct_16byte(*)(cls_struct_16byte, cls_struct_16byte))(code))(h_dbl, j_dbl); |
| /* { dg-output "\n7 8 9 1 9 3: 8 17 12" } */ |
| printf("res: %d %g %d\n", res_dbl.a, res_dbl.b, res_dbl.c); |
| /* { dg-output "\nres: 8 17 12" } */ |
| |
| exit(0); |
| } |