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_6byte { 12 unsigned char a; 13 unsigned char b; 14 unsigned char c; 15 unsigned char d; 16 unsigned char e; 17 unsigned char f; 18 } cls_struct_6byte; 19 20 cls_struct_6byte cls_struct_6byte_fn(struct cls_struct_6byte a1, 21 struct cls_struct_6byte a2) 22 { 23 struct cls_struct_6byte result; 24 25 result.a = a1.a + a2.a; 26 result.b = a1.b + a2.b; 27 result.c = a1.c + a2.c; 28 result.d = a1.d + a2.d; 29 result.e = a1.e + a2.e; 30 result.f = a1.f + a2.f; 31 32 printf("%d %d %d %d %d %d %d %d %d %d %d %d: %d %d %d %d %d %d\n", 33 a1.a, a1.b, a1.c, a1.d, a1.e, a1.f, 34 a2.a, a2.b, a2.c, a2.d, a2.e, a2.f, 35 result.a, result.b, result.c, result.d, result.e, result.f); 36 37 return result; 38 } 39 40 static void 41 cls_struct_6byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args, 42 void* userdata __UNUSED__) 43 { 44 45 struct cls_struct_6byte a1, a2; 46 47 a1 = *(struct cls_struct_6byte*)(args[0]); 48 a2 = *(struct cls_struct_6byte*)(args[1]); 49 50 *(cls_struct_6byte*)resp = cls_struct_6byte_fn(a1, a2); 51 } 52 53 int main (void) 54 { 55 ffi_cif cif; 56 #ifndef USING_MMAP 57 static ffi_closure cl; 58 #endif 59 ffi_closure *pcl; 60 void* args_dbl[5]; 61 ffi_type* cls_struct_fields[7]; 62 ffi_type cls_struct_type; 63 ffi_type* dbl_arg_types[5]; 64 65 #ifdef USING_MMAP 66 pcl = allocate_mmap (sizeof(ffi_closure)); 67 #else 68 pcl = &cl; 69 #endif 70 71 cls_struct_type.size = 0; 72 cls_struct_type.alignment = 0; 73 cls_struct_type.type = FFI_TYPE_STRUCT; 74 cls_struct_type.elements = cls_struct_fields; 75 76 struct cls_struct_6byte g_dbl = { 127, 120, 1, 3, 4, 5 }; 77 struct cls_struct_6byte f_dbl = { 12, 128, 9, 3, 4, 5 }; 78 struct cls_struct_6byte res_dbl = { 0, 0, 0, 0, 0, 0 }; 79 80 cls_struct_fields[0] = &ffi_type_uchar; 81 cls_struct_fields[1] = &ffi_type_uchar; 82 cls_struct_fields[2] = &ffi_type_uchar; 83 cls_struct_fields[3] = &ffi_type_uchar; 84 cls_struct_fields[4] = &ffi_type_uchar; 85 cls_struct_fields[5] = &ffi_type_uchar; 86 cls_struct_fields[6] = NULL; 87 88 dbl_arg_types[0] = &cls_struct_type; 89 dbl_arg_types[1] = &cls_struct_type; 90 dbl_arg_types[2] = NULL; 91 92 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type, 93 dbl_arg_types) == FFI_OK); 94 95 args_dbl[0] = &g_dbl; 96 args_dbl[1] = &f_dbl; 97 args_dbl[2] = NULL; 98 99 ffi_call(&cif, FFI_FN(cls_struct_6byte_fn), &res_dbl, args_dbl); 100 /* { dg-output "127 120 1 3 4 5 12 128 9 3 4 5: 139 248 10 6 8 10" } */ 101 printf("res: %d %d %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c, 102 res_dbl.d, res_dbl.e, res_dbl.f); 103 /* { dg-output "\nres: 139 248 10 6 8 10" } */ 104 105 res_dbl.a = 0; 106 res_dbl.b = 0; 107 res_dbl.c = 0; 108 res_dbl.d = 0; 109 res_dbl.e = 0; 110 res_dbl.f = 0; 111 112 CHECK(ffi_prep_closure(pcl, &cif, cls_struct_6byte_gn, NULL) == FFI_OK); 113 114 res_dbl = ((cls_struct_6byte(*)(cls_struct_6byte, cls_struct_6byte))(pcl))(g_dbl, f_dbl); 115 /* { dg-output "\n127 120 1 3 4 5 12 128 9 3 4 5: 139 248 10 6 8 10" } */ 116 printf("res: %d %d %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c, 117 res_dbl.d, res_dbl.e, res_dbl.f); 118 /* { dg-output "\nres: 139 248 10 6 8 10" } */ 119 120 exit(0); 121 } 122
