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 9 10 /* { dg-do run } */ 11 #include "ffitest.h" 12 13 typedef struct cls_struct_20byte { 14 int a; 15 double b; 16 double c; 17 } cls_struct_20byte; 18 19 cls_struct_20byte cls_struct_20byte_fn(struct cls_struct_20byte a1, 20 struct cls_struct_20byte a2) 21 { 22 struct cls_struct_20byte result; 23 24 result.a = a1.a + a2.a; 25 result.b = a1.b + a2.b; 26 result.c = a1.c + a2.c; 27 28 printf("%d %g %g %d %g %g: %d %g %g\n", a1.a, a1.b, a1.c, a2.a, a2.b, a2.c, 29 result.a, result.b, result.c); 30 return result; 31 } 32 33 static void 34 cls_struct_20byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args, 35 void* userdata __UNUSED__) 36 { 37 struct cls_struct_20byte a1, a2; 38 39 a1 = *(struct cls_struct_20byte*)(args[0]); 40 a2 = *(struct cls_struct_20byte*)(args[1]); 41 42 *(cls_struct_20byte*)resp = cls_struct_20byte_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[3]; 51 ffi_type* cls_struct_fields[4]; 52 ffi_type cls_struct_type; 53 ffi_type* dbl_arg_types[3]; 54 55 struct cls_struct_20byte g_dbl = { 1, 2.0, 3.0 }; 56 struct cls_struct_20byte f_dbl = { 4, 5.0, 7.0 }; 57 struct cls_struct_20byte 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_sint; 65 cls_struct_fields[1] = &ffi_type_double; 66 cls_struct_fields[2] = &ffi_type_double; 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_20byte_fn), &res_dbl, args_dbl); 81 /* { dg-output "1 2 3 4 5 7: 5 7 10" } */ 82 printf("res: %d %g %g\n", res_dbl.a, res_dbl.b, res_dbl.c); 83 /* { dg-output "\nres: 5 7 10" } */ 84 85 CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_20byte_gn, NULL, code) == FFI_OK); 86 87 res_dbl = ((cls_struct_20byte(*)(cls_struct_20byte, cls_struct_20byte))(code))(g_dbl, f_dbl); 88 /* { dg-output "\n1 2 3 4 5 7: 5 7 10" } */ 89 printf("res: %d %g %g\n", res_dbl.a, res_dbl.b, res_dbl.c); 90 /* { dg-output "\nres: 5 7 10" } */ 91 92 exit(0); 93 } 94
