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 (at) 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 } 89
