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> 20030828 */ 7 8 /* { dg-do run } */ 9 #include "ffitest.h" 10 11 typedef struct cls_struct_7byte { 12 unsigned short a; 13 unsigned short b; 14 unsigned char c; 15 unsigned short d; 16 } cls_struct_7byte; 17 18 cls_struct_7byte cls_struct_7byte_fn(struct cls_struct_7byte a1, 19 struct cls_struct_7byte a2) 20 { 21 struct cls_struct_7byte 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 printf("%d %d %d %d %d %d %d %d: %d %d %d %d\n", a1.a, a1.b, a1.c, a1.d, 29 a2.a, a2.b, a2.c, a2.d, 30 result.a, result.b, result.c, result.d); 31 32 return result; 33 } 34 35 static void 36 cls_struct_7byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args, 37 void* userdata __UNUSED__) 38 { 39 40 struct cls_struct_7byte a1, a2; 41 42 a1 = *(struct cls_struct_7byte*)(args[0]); 43 a2 = *(struct cls_struct_7byte*)(args[1]); 44 45 *(cls_struct_7byte*)resp = cls_struct_7byte_fn(a1, a2); 46 } 47 48 int main (void) 49 { 50 ffi_cif cif; 51 void *code; 52 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code); 53 void* args_dbl[5]; 54 ffi_type* cls_struct_fields[5]; 55 ffi_type cls_struct_type; 56 ffi_type* dbl_arg_types[5]; 57 58 struct cls_struct_7byte g_dbl = { 127, 120, 1, 254 }; 59 struct cls_struct_7byte f_dbl = { 12, 128, 9, 255 }; 60 struct cls_struct_7byte res_dbl; 61 62 cls_struct_type.size = 0; 63 cls_struct_type.alignment = 0; 64 cls_struct_type.type = FFI_TYPE_STRUCT; 65 cls_struct_type.elements = cls_struct_fields; 66 67 cls_struct_fields[0] = &ffi_type_ushort; 68 cls_struct_fields[1] = &ffi_type_ushort; 69 cls_struct_fields[2] = &ffi_type_uchar; 70 cls_struct_fields[3] = &ffi_type_ushort; 71 cls_struct_fields[4] = NULL; 72 73 dbl_arg_types[0] = &cls_struct_type; 74 dbl_arg_types[1] = &cls_struct_type; 75 dbl_arg_types[2] = NULL; 76 77 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type, 78 dbl_arg_types) == FFI_OK); 79 80 args_dbl[0] = &g_dbl; 81 args_dbl[1] = &f_dbl; 82 args_dbl[2] = NULL; 83 84 ffi_call(&cif, FFI_FN(cls_struct_7byte_fn), &res_dbl, args_dbl); 85 /* { dg-output "127 120 1 254 12 128 9 255: 139 248 10 509" } */ 86 printf("res: %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d); 87 /* { dg-output "\nres: 139 248 10 509" } */ 88 89 CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_7byte_gn, NULL, code) == FFI_OK); 90 91 res_dbl = ((cls_struct_7byte(*)(cls_struct_7byte, cls_struct_7byte))(code))(g_dbl, f_dbl); 92 /* { dg-output "\n127 120 1 254 12 128 9 255: 139 248 10 509" } */ 93 printf("res: %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d); 94 /* { dg-output "\nres: 139 248 10 509" } */ 95 96 exit(0); 97 } 98
