1 /* Area: ffi_call, closure_call 2 Purpose: Check structure passing with different structure size. 3 Depending on the ABI. Check overlapping. 4 Limitations: none. 5 PR: none. 6 Originator: <andreast (at) gcc.gnu.org> 20050708 */ 7 8 /* { dg-do run } */ 9 #include "ffitest.h" 10 11 typedef struct cls_struct_5byte { 12 unsigned char a; 13 unsigned char b; 14 unsigned char c; 15 unsigned char d; 16 unsigned char e; 17 } cls_struct_5byte; 18 19 cls_struct_5byte cls_struct_5byte_fn(struct cls_struct_5byte a1, 20 struct cls_struct_5byte a2) 21 { 22 struct cls_struct_5byte result; 23 24 result.a = a1.a + a2.a; 25 result.b = a1.b + a2.b; 26 result.c = a1.c + a2.c; 27 result.d = a1.d + a2.d; 28 result.e = a1.e + a2.e; 29 30 printf("%d %d %d %d %d %d %d %d %d %d: %d %d %d %d %d\n", 31 a1.a, a1.b, a1.c, a1.d, a1.e, 32 a2.a, a2.b, a2.c, a2.d, a2.e, 33 result.a, result.b, result.c, result.d, result.e); 34 35 return result; 36 } 37 38 static void 39 cls_struct_5byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args, 40 void* userdata __UNUSED__) 41 { 42 43 struct cls_struct_5byte a1, a2; 44 45 a1 = *(struct cls_struct_5byte*)(args[0]); 46 a2 = *(struct cls_struct_5byte*)(args[1]); 47 48 *(cls_struct_5byte*)resp = cls_struct_5byte_fn(a1, a2); 49 } 50 51 int main (void) 52 { 53 ffi_cif cif; 54 void *code; 55 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code); 56 void* args_dbl[5]; 57 ffi_type* cls_struct_fields[6]; 58 ffi_type cls_struct_type; 59 ffi_type* dbl_arg_types[5]; 60 61 struct cls_struct_5byte g_dbl = { 127, 120, 1, 3, 4 }; 62 struct cls_struct_5byte f_dbl = { 12, 128, 9, 3, 4 }; 63 struct cls_struct_5byte res_dbl = { 0, 0, 0, 0, 0 }; 64 65 cls_struct_type.size = 0; 66 cls_struct_type.alignment = 0; 67 cls_struct_type.type = FFI_TYPE_STRUCT; 68 cls_struct_type.elements = cls_struct_fields; 69 70 cls_struct_fields[0] = &ffi_type_uchar; 71 cls_struct_fields[1] = &ffi_type_uchar; 72 cls_struct_fields[2] = &ffi_type_uchar; 73 cls_struct_fields[3] = &ffi_type_uchar; 74 cls_struct_fields[4] = &ffi_type_uchar; 75 cls_struct_fields[5] = NULL; 76 77 dbl_arg_types[0] = &cls_struct_type; 78 dbl_arg_types[1] = &cls_struct_type; 79 dbl_arg_types[2] = NULL; 80 81 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type, 82 dbl_arg_types) == FFI_OK); 83 84 args_dbl[0] = &g_dbl; 85 args_dbl[1] = &f_dbl; 86 args_dbl[2] = NULL; 87 88 ffi_call(&cif, FFI_FN(cls_struct_5byte_fn), &res_dbl, args_dbl); 89 /* { dg-output "127 120 1 3 4 12 128 9 3 4: 139 248 10 6 8" } */ 90 printf("res: %d %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c, 91 res_dbl.d, res_dbl.e); 92 /* { dg-output "\nres: 139 248 10 6 8" } */ 93 94 res_dbl.a = 0; 95 res_dbl.b = 0; 96 res_dbl.c = 0; 97 res_dbl.d = 0; 98 res_dbl.e = 0; 99 100 CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_5byte_gn, NULL, code) == FFI_OK); 101 102 res_dbl = ((cls_struct_5byte(*)(cls_struct_5byte, cls_struct_5byte))(code))(g_dbl, f_dbl); 103 /* { dg-output "\n127 120 1 3 4 12 128 9 3 4: 139 248 10 6 8" } */ 104 printf("res: %d %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c, 105 res_dbl.d, res_dbl.e); 106 /* { dg-output "\nres: 139 248 10 6 8" } */ 107 108 exit(0); 109 } 110
