1 /* Area: ffi_call, closure_call 2 Purpose: Check structure alignment of uint64. 3 Limitations: none. 4 PR: none. 5 Originator: <hos (at) tamanegi.org> 20031203 */ 6 7 8 /* { dg-do run } */ 9 /* { dg-options "-Wno-format" { target alpha*-dec-osf* } } */ 10 #include "ffitest.h" 11 12 typedef struct cls_struct_align { 13 unsigned char a; 14 unsigned long long b; 15 unsigned char c; 16 } cls_struct_align; 17 18 cls_struct_align cls_struct_align_fn(struct cls_struct_align a1, 19 struct cls_struct_align a2) 20 { 21 struct cls_struct_align result; 22 23 result.a = a1.a + a2.a; 24 result.b = a1.b + a2.b; 25 result.c = a1.c + a2.c; 26 27 printf("%d %" PRIdLL " %d %d %" PRIdLL " %d: %d %" PRIdLL " %d\n", a1.a, a1.b, a1.c, a2.a, a2.b, a2.c, result.a, result.b, result.c); 28 29 return result; 30 } 31 32 static void 33 cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args, 34 void* userdata __UNUSED__) 35 { 36 37 struct cls_struct_align a1, a2; 38 39 a1 = *(struct cls_struct_align*)(args[0]); 40 a2 = *(struct cls_struct_align*)(args[1]); 41 42 *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2); 43 } 44 45 int main (void) 46 { 47 ffi_cif cif; 48 void *code; 49 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code); 50 void* args_dbl[5]; 51 ffi_type* cls_struct_fields[4]; 52 ffi_type cls_struct_type; 53 ffi_type* dbl_arg_types[5]; 54 55 struct cls_struct_align g_dbl = { 12, 4951, 127 }; 56 struct cls_struct_align f_dbl = { 1, 9320, 13 }; 57 struct cls_struct_align res_dbl; 58 59 cls_struct_type.size = 0; 60 cls_struct_type.alignment = 0; 61 cls_struct_type.type = FFI_TYPE_STRUCT; 62 cls_struct_type.elements = cls_struct_fields; 63 64 cls_struct_fields[0] = &ffi_type_uchar; 65 cls_struct_fields[1] = &ffi_type_uint64; 66 cls_struct_fields[2] = &ffi_type_uchar; 67 cls_struct_fields[3] = NULL; 68 69 dbl_arg_types[0] = &cls_struct_type; 70 dbl_arg_types[1] = &cls_struct_type; 71 dbl_arg_types[2] = NULL; 72 73 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type, 74 dbl_arg_types) == FFI_OK); 75 76 args_dbl[0] = &g_dbl; 77 args_dbl[1] = &f_dbl; 78 args_dbl[2] = NULL; 79 80 ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl); 81 /* { dg-output "12 4951 127 1 9320 13: 13 14271 140" } */ 82 printf("res: %d %" PRIdLL " %d\n", res_dbl.a, res_dbl.b, res_dbl.c); 83 /* { dg-output "\nres: 13 14271 140" } */ 84 85 CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK); 86 87 res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl); 88 /* { dg-output "\n12 4951 127 1 9320 13: 13 14271 140" } */ 89 printf("res: %d %" PRIdLL " %d\n", res_dbl.a, res_dbl.b, res_dbl.c); 90 /* { dg-output "\nres: 13 14271 140" } */ 91 92 exit(0); 93 } 94
