1 /* Area: ffi_call, closure_call 2 Purpose: Check structure alignment of uint32. 3 Limitations: none. 4 PR: none. 5 Originator: <hos (at) tamanegi.org> 20031203 */ 6 7 /* { dg-do run } */ 8 #include "ffitest.h" 9 10 typedef struct cls_struct_align { 11 unsigned char a; 12 unsigned int b; 13 unsigned char c; 14 } cls_struct_align; 15 16 cls_struct_align cls_struct_align_fn(struct cls_struct_align a1, 17 struct cls_struct_align a2) 18 { 19 struct cls_struct_align result; 20 21 result.a = a1.a + a2.a; 22 result.b = a1.b + a2.b; 23 result.c = a1.c + a2.c; 24 25 printf("%d %d %d %d %d %d: %d %d %d\n", a1.a, a1.b, a1.c, a2.a, a2.b, a2.c, result.a, result.b, result.c); 26 27 return result; 28 } 29 30 static void 31 cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args, 32 void* userdata __UNUSED__) 33 { 34 35 struct cls_struct_align a1, a2; 36 37 a1 = *(struct cls_struct_align*)(args[0]); 38 a2 = *(struct cls_struct_align*)(args[1]); 39 40 *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2); 41 } 42 43 int main (void) 44 { 45 ffi_cif cif; 46 void *code; 47 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code); 48 void* args_dbl[5]; 49 ffi_type* cls_struct_fields[4]; 50 ffi_type cls_struct_type; 51 ffi_type* dbl_arg_types[5]; 52 53 struct cls_struct_align g_dbl = { 12, 4951, 127 }; 54 struct cls_struct_align f_dbl = { 1, 9320, 13 }; 55 struct cls_struct_align res_dbl; 56 57 cls_struct_type.size = 0; 58 cls_struct_type.alignment = 0; 59 cls_struct_type.type = FFI_TYPE_STRUCT; 60 cls_struct_type.elements = cls_struct_fields; 61 62 cls_struct_fields[0] = &ffi_type_uchar; 63 cls_struct_fields[1] = &ffi_type_uint; 64 cls_struct_fields[2] = &ffi_type_uchar; 65 cls_struct_fields[3] = NULL; 66 67 dbl_arg_types[0] = &cls_struct_type; 68 dbl_arg_types[1] = &cls_struct_type; 69 dbl_arg_types[2] = NULL; 70 71 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type, 72 dbl_arg_types) == FFI_OK); 73 74 args_dbl[0] = &g_dbl; 75 args_dbl[1] = &f_dbl; 76 args_dbl[2] = NULL; 77 78 ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl); 79 /* { dg-output "12 4951 127 1 9320 13: 13 14271 140" } */ 80 printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c); 81 /* { dg-output "\nres: 13 14271 140" } */ 82 83 CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK); 84 85 res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl); 86 /* { dg-output "\n12 4951 127 1 9320 13: 13 14271 140" } */ 87 printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c); 88 /* { dg-output "\nres: 13 14271 140" } */ 89 90 exit(0); 91 } 92
