1 /* Area: ffi_call, closure_call 2 Purpose: Check structure passing with different structure size. 3 Depending on the ABI. Double alignment check on darwin. 4 Limitations: none. 5 PR: none. 6 Originator: <andreast (at) gcc.gnu.org> 20030915 */ 7 8 /* { dg-do run } */ 9 #include "ffitest.h" 10 11 typedef struct cls_struct_18byte { 12 double a; 13 unsigned char b; 14 unsigned char c; 15 double d; 16 } cls_struct_18byte; 17 18 cls_struct_18byte cls_struct_18byte_fn(struct cls_struct_18byte a1, 19 struct cls_struct_18byte a2) 20 { 21 struct cls_struct_18byte result; 22 23 result.a = a1.a + a2.a; 24 result.b = a1.b + a2.b; 25 result.c = a1.c + a2.c; 26 result.d = a1.d + a2.d; 27 28 29 printf("%g %d %d %g %g %d %d %g: %g %d %d %g\n", a1.a, a1.b, a1.c, a1.d, 30 a2.a, a2.b, a2.c, a2.d, 31 result.a, result.b, result.c, result.d); 32 return result; 33 } 34 35 static void 36 cls_struct_18byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args, 37 void* userdata __UNUSED__) 38 { 39 struct cls_struct_18byte a1, a2; 40 41 a1 = *(struct cls_struct_18byte*)(args[0]); 42 a2 = *(struct cls_struct_18byte*)(args[1]); 43 44 *(cls_struct_18byte*)resp = cls_struct_18byte_fn(a1, a2); 45 } 46 47 int main (void) 48 { 49 ffi_cif cif; 50 void *code; 51 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code); 52 void* args_dbl[3]; 53 ffi_type* cls_struct_fields[5]; 54 ffi_type cls_struct_type; 55 ffi_type* dbl_arg_types[3]; 56 57 struct cls_struct_18byte g_dbl = { 1.0, 127, 126, 3.0 }; 58 struct cls_struct_18byte f_dbl = { 4.0, 125, 124, 5.0 }; 59 struct cls_struct_18byte res_dbl; 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 cls_struct_fields[0] = &ffi_type_double; 67 cls_struct_fields[1] = &ffi_type_uchar; 68 cls_struct_fields[2] = &ffi_type_uchar; 69 cls_struct_fields[3] = &ffi_type_double; 70 cls_struct_fields[4] = NULL; 71 72 dbl_arg_types[0] = &cls_struct_type; 73 dbl_arg_types[1] = &cls_struct_type; 74 dbl_arg_types[2] = NULL; 75 76 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type, 77 dbl_arg_types) == FFI_OK); 78 79 args_dbl[0] = &g_dbl; 80 args_dbl[1] = &f_dbl; 81 args_dbl[2] = NULL; 82 83 ffi_call(&cif, FFI_FN(cls_struct_18byte_fn), &res_dbl, args_dbl); 84 /* { dg-output "1 127 126 3 4 125 124 5: 5 252 250 8" } */ 85 printf("res: %g %d %d %g\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d); 86 /* { dg-output "\nres: 5 252 250 8" } */ 87 88 CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_18byte_gn, NULL, code) == FFI_OK); 89 90 res_dbl = ((cls_struct_18byte(*)(cls_struct_18byte, cls_struct_18byte))(code))(g_dbl, f_dbl); 91 /* { dg-output "\n1 127 126 3 4 125 124 5: 5 252 250 8" } */ 92 printf("res: %g %d %d %g\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d); 93 /* { dg-output "\nres: 5 252 250 8" } */ 94 95 exit(0); 96 } 97
