1 /* Area: ffi_call, closure_call 2 Purpose: Check structure passing with different structure size. 3 Depending on the ABI. Darwin/AIX do double-word 4 alignment of the struct if the first element is a double. 5 Check that it does not here. 6 Limitations: none. 7 PR: none. 8 Originator: <andreast (at) gcc.gnu.org> 20030914 */ 9 10 /* { dg-do run } */ 11 #include "ffitest.h" 12 13 typedef struct cls_struct_9byte { 14 int a; 15 double b; 16 } cls_struct_9byte; 17 18 cls_struct_9byte cls_struct_9byte_fn(struct cls_struct_9byte b1, 19 struct cls_struct_9byte b2) 20 { 21 struct cls_struct_9byte result; 22 23 result.a = b1.a + b2.a; 24 result.b = b1.b + b2.b; 25 26 printf("%d %g %d %g: %d %g\n", b1.a, b1.b, b2.a, b2.b, 27 result.a, result.b); 28 29 return result; 30 } 31 32 static void cls_struct_9byte_gn(ffi_cif* cif __UNUSED__, void* resp, 33 void** args, void* userdata __UNUSED__) 34 { 35 struct cls_struct_9byte b1, b2; 36 37 b1 = *(struct cls_struct_9byte*)(args[0]); 38 b2 = *(struct cls_struct_9byte*)(args[1]); 39 40 *(cls_struct_9byte*)resp = cls_struct_9byte_fn(b1, b2); 41 } 42 43 int main (void) 44 { 45 ffi_cif cif; 46 #ifndef USING_MMAP 47 static ffi_closure cl; 48 #endif 49 ffi_closure *pcl; 50 void* args_dbl[3]; 51 ffi_type* cls_struct_fields[3]; 52 ffi_type cls_struct_type; 53 ffi_type* dbl_arg_types[3]; 54 55 #ifdef USING_MMAP 56 pcl = allocate_mmap (sizeof(ffi_closure)); 57 #else 58 pcl = &cl; 59 #endif 60 61 cls_struct_type.size = 0; 62 cls_struct_type.alignment = 0; 63 cls_struct_type.type = FFI_TYPE_STRUCT; 64 cls_struct_type.elements = cls_struct_fields; 65 66 struct cls_struct_9byte h_dbl = { 7, 8.0}; 67 struct cls_struct_9byte j_dbl = { 1, 9.0}; 68 struct cls_struct_9byte res_dbl; 69 70 cls_struct_fields[0] = &ffi_type_sint; 71 cls_struct_fields[1] = &ffi_type_double; 72 cls_struct_fields[2] = NULL; 73 74 dbl_arg_types[0] = &cls_struct_type; 75 dbl_arg_types[1] = &cls_struct_type; 76 dbl_arg_types[2] = NULL; 77 78 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type, 79 dbl_arg_types) == FFI_OK); 80 81 args_dbl[0] = &h_dbl; 82 args_dbl[1] = &j_dbl; 83 args_dbl[2] = NULL; 84 85 ffi_call(&cif, FFI_FN(cls_struct_9byte_fn), &res_dbl, args_dbl); 86 /* { dg-output "7 8 1 9: 8 17" } */ 87 printf("res: %d %g\n", res_dbl.a, res_dbl.b); 88 /* { dg-output "\nres: 8 17" } */ 89 90 CHECK(ffi_prep_closure(pcl, &cif, cls_struct_9byte_gn, NULL) == FFI_OK); 91 92 res_dbl = ((cls_struct_9byte(*)(cls_struct_9byte, cls_struct_9byte))(pcl))(h_dbl, j_dbl); 93 /* { dg-output "\n7 8 1 9: 8 17" } */ 94 printf("res: %d %g\n", res_dbl.a, res_dbl.b); 95 /* { dg-output "\nres: 8 17" } */ 96 97 exit(0); 98 } 99
