1 /* Area: ffi_call, closure_call 2 Purpose: Check structure passing with different structure size. 3 Limitations: none. 4 PR: none. 5 Originator: <andreast (at) gcc.gnu.org> 20030828 */ 6 7 /* { dg-do run } */ 8 #include "ffitest.h" 9 10 typedef struct cls_struct_12byte { 11 int a; 12 int b; 13 int c; 14 } cls_struct_12byte; 15 16 cls_struct_12byte cls_struct_12byte_fn(struct cls_struct_12byte b1, 17 struct cls_struct_12byte b2) 18 { 19 struct cls_struct_12byte result; 20 21 result.a = b1.a + b2.a; 22 result.b = b1.b + b2.b; 23 result.c = b1.c + b2.c; 24 25 printf("%d %d %d %d %d %d: %d %d %d\n", b1.a, b1.b, b1.c, b2.a, b2.b, b2.c, 26 result.a, result.b, result.c); 27 28 return result; 29 } 30 31 static void cls_struct_12byte_gn(ffi_cif* cif __UNUSED__, void* resp, 32 void** args , void* userdata __UNUSED__) 33 { 34 struct cls_struct_12byte b1, b2; 35 36 b1 = *(struct cls_struct_12byte*)(args[0]); 37 b2 = *(struct cls_struct_12byte*)(args[1]); 38 39 *(cls_struct_12byte*)resp = cls_struct_12byte_fn(b1, b2); 40 } 41 42 int main (void) 43 { 44 ffi_cif cif; 45 #ifndef USING_MMAP 46 static ffi_closure cl; 47 #endif 48 ffi_closure *pcl; 49 void* args_dbl[5]; 50 ffi_type* cls_struct_fields[4]; 51 ffi_type cls_struct_type; 52 ffi_type* dbl_arg_types[5]; 53 54 #ifdef USING_MMAP 55 pcl = allocate_mmap (sizeof(ffi_closure)); 56 #else 57 pcl = &cl; 58 #endif 59 60 cls_struct_type.size = 0; 61 cls_struct_type.alignment = 0; 62 cls_struct_type.type = FFI_TYPE_STRUCT; 63 cls_struct_type.elements = cls_struct_fields; 64 65 struct cls_struct_12byte h_dbl = { 7, 4, 9 }; 66 struct cls_struct_12byte j_dbl = { 1, 5, 3 }; 67 struct cls_struct_12byte res_dbl; 68 69 cls_struct_fields[0] = &ffi_type_sint; 70 cls_struct_fields[1] = &ffi_type_sint; 71 cls_struct_fields[2] = &ffi_type_sint; 72 cls_struct_fields[3] = 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_12byte_fn), &res_dbl, args_dbl); 86 /* { dg-output "7 4 9 1 5 3: 8 9 12" } */ 87 printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c); 88 /* { dg-output "\nres: 8 9 12" } */ 89 90 CHECK(ffi_prep_closure(pcl, &cif, cls_struct_12byte_gn, NULL) == FFI_OK); 91 92 res_dbl.a = 0; 93 res_dbl.b = 0; 94 res_dbl.c = 0; 95 96 res_dbl = ((cls_struct_12byte(*)(cls_struct_12byte, cls_struct_12byte))(pcl))(h_dbl, j_dbl); 97 /* { dg-output "\n7 4 9 1 5 3: 8 9 12" } */ 98 printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c); 99 /* { dg-output "\nres: 8 9 12" } */ 100 101 exit(0); 102 } 103
