1 /* Area: ffi_call, closure_call 2 Purpose: Check double arguments in structs. 3 Limitations: none. 4 PR: none. 5 Originator: Blake Chaffin 6/23/2007 */ 6 7 /* { dg-do run } */ 8 9 #include "ffitest.h" 10 11 typedef struct Dbls { 12 double x; 13 double y; 14 } Dbls; 15 16 void 17 closure_test_fn(Dbls p) 18 { 19 printf("%.1f %.1f\n", p.x, p.y); 20 } 21 22 void 23 closure_test_gn(ffi_cif* cif __UNUSED__, void* resp __UNUSED__, 24 void** args, void* userdata __UNUSED__) 25 { 26 closure_test_fn(*(Dbls*)args[0]); 27 } 28 29 int main(int argc __UNUSED__, char** argv __UNUSED__) 30 { 31 ffi_cif cif; 32 33 void *code; 34 ffi_closure* pcl = ffi_closure_alloc(sizeof(ffi_closure), &code); 35 ffi_type* cl_arg_types[1]; 36 37 ffi_type ts1_type; 38 ffi_type* ts1_type_elements[4]; 39 40 Dbls arg = { 1.0, 2.0 }; 41 42 ts1_type.size = 0; 43 ts1_type.alignment = 0; 44 ts1_type.type = FFI_TYPE_STRUCT; 45 ts1_type.elements = ts1_type_elements; 46 47 ts1_type_elements[0] = &ffi_type_double; 48 ts1_type_elements[1] = &ffi_type_double; 49 ts1_type_elements[2] = NULL; 50 51 cl_arg_types[0] = &ts1_type; 52 53 /* Initialize the cif */ 54 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, 55 &ffi_type_void, cl_arg_types) == FFI_OK); 56 57 CHECK(ffi_prep_closure_loc(pcl, &cif, closure_test_gn, NULL, code) == FFI_OK); 58 59 ((void*(*)(Dbls))(code))(arg); 60 /* { dg-output "1.0 2.0\n" } */ 61 62 closure_test_fn(arg); 63 /* { dg-output "1.0 2.0\n" } */ 64 65 return 0; 66 } 67
