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_5byte { 12 unsigned short a; 13 unsigned short b; 14 unsigned char c; 15 } cls_struct_5byte; 16 17 cls_struct_5byte cls_struct_5byte_fn(struct cls_struct_5byte a1, 18 struct cls_struct_5byte a2) 19 { 20 struct cls_struct_5byte result; 21 22 result.a = a1.a + a2.a; 23 result.b = a1.b + a2.b; 24 result.c = a1.c + a2.c; 25 26 printf("%d %d %d %d %d %d: %d %d %d\n", a1.a, a1.b, a1.c, 27 a2.a, a2.b, a2.c, 28 result.a, result.b, result.c); 29 30 return result; 31 } 32 33 static void 34 cls_struct_5byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args, 35 void* userdata __UNUSED__) 36 { 37 38 struct cls_struct_5byte a1, a2; 39 40 a1 = *(struct cls_struct_5byte*)(args[0]); 41 a2 = *(struct cls_struct_5byte*)(args[1]); 42 43 *(cls_struct_5byte*)resp = cls_struct_5byte_fn(a1, a2); 44 } 45 46 int main (void) 47 { 48 ffi_cif cif; 49 void *code; 50 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code); 51 void* args_dbl[5]; 52 ffi_type* cls_struct_fields[4]; 53 ffi_type cls_struct_type; 54 ffi_type* dbl_arg_types[5]; 55 56 struct cls_struct_5byte g_dbl = { 127, 120, 1 }; 57 struct cls_struct_5byte f_dbl = { 12, 128, 9 }; 58 struct cls_struct_5byte res_dbl = { 0, 0, 0 }; 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 cls_struct_fields[0] = &ffi_type_ushort; 66 cls_struct_fields[1] = &ffi_type_ushort; 67 cls_struct_fields[2] = &ffi_type_uchar; 68 cls_struct_fields[3] = NULL; 69 70 dbl_arg_types[0] = &cls_struct_type; 71 dbl_arg_types[1] = &cls_struct_type; 72 dbl_arg_types[2] = NULL; 73 74 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type, 75 dbl_arg_types) == FFI_OK); 76 77 args_dbl[0] = &g_dbl; 78 args_dbl[1] = &f_dbl; 79 args_dbl[2] = NULL; 80 81 ffi_call(&cif, FFI_FN(cls_struct_5byte_fn), &res_dbl, args_dbl); 82 /* { dg-output "127 120 1 12 128 9: 139 248 10" } */ 83 printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c); 84 /* { dg-output "\nres: 139 248 10" } */ 85 86 res_dbl.a = 0; 87 res_dbl.b = 0; 88 res_dbl.c = 0; 89 90 CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_5byte_gn, NULL, code) == FFI_OK); 91 92 res_dbl = ((cls_struct_5byte(*)(cls_struct_5byte, cls_struct_5byte))(code))(g_dbl, f_dbl); 93 /* { dg-output "\n127 120 1 12 128 9: 139 248 10" } */ 94 printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c); 95 /* { dg-output "\nres: 139 248 10" } */ 96 97 exit(0); 98 } 99
