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_7byte { 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 unsigned char g; 19 } cls_struct_7byte; 20 21 cls_struct_7byte cls_struct_7byte_fn(struct cls_struct_7byte a1, 22 struct cls_struct_7byte a2) 23 { 24 struct cls_struct_7byte result; 25 26 result.a = a1.a + a2.a; 27 result.b = a1.b + a2.b; 28 result.c = a1.c + a2.c; 29 result.d = a1.d + a2.d; 30 result.e = a1.e + a2.e; 31 result.f = a1.f + a2.f; 32 result.g = a1.g + a2.g; 33 34 printf("%d %d %d %d %d %d %d %d %d %d %d %d %d %d: %d %d %d %d %d %d %d\n", 35 a1.a, a1.b, a1.c, a1.d, a1.e, a1.f, a1.g, 36 a2.a, a2.b, a2.c, a2.d, a2.e, a2.f, a2.g, 37 result.a, result.b, result.c, result.d, result.e, result.f, result.g); 38 39 return result; 40 } 41 42 static void 43 cls_struct_7byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args, 44 void* userdata __UNUSED__) 45 { 46 47 struct cls_struct_7byte a1, a2; 48 49 a1 = *(struct cls_struct_7byte*)(args[0]); 50 a2 = *(struct cls_struct_7byte*)(args[1]); 51 52 *(cls_struct_7byte*)resp = cls_struct_7byte_fn(a1, a2); 53 } 54 55 int main (void) 56 { 57 ffi_cif cif; 58 void *code; 59 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code); 60 void* args_dbl[5]; 61 ffi_type* cls_struct_fields[8]; 62 ffi_type cls_struct_type; 63 ffi_type* dbl_arg_types[5]; 64 65 struct cls_struct_7byte g_dbl = { 127, 120, 1, 3, 4, 5, 6 }; 66 struct cls_struct_7byte f_dbl = { 12, 128, 9, 3, 4, 5, 6 }; 67 struct cls_struct_7byte res_dbl = { 0, 0, 0, 0, 0, 0, 0 }; 68 69 cls_struct_type.size = 0; 70 cls_struct_type.alignment = 0; 71 cls_struct_type.type = FFI_TYPE_STRUCT; 72 cls_struct_type.elements = cls_struct_fields; 73 74 cls_struct_fields[0] = &ffi_type_uchar; 75 cls_struct_fields[1] = &ffi_type_uchar; 76 cls_struct_fields[2] = &ffi_type_uchar; 77 cls_struct_fields[3] = &ffi_type_uchar; 78 cls_struct_fields[4] = &ffi_type_uchar; 79 cls_struct_fields[5] = &ffi_type_uchar; 80 cls_struct_fields[6] = &ffi_type_uchar; 81 cls_struct_fields[7] = NULL; 82 83 dbl_arg_types[0] = &cls_struct_type; 84 dbl_arg_types[1] = &cls_struct_type; 85 dbl_arg_types[2] = NULL; 86 87 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type, 88 dbl_arg_types) == FFI_OK); 89 90 args_dbl[0] = &g_dbl; 91 args_dbl[1] = &f_dbl; 92 args_dbl[2] = NULL; 93 94 ffi_call(&cif, FFI_FN(cls_struct_7byte_fn), &res_dbl, args_dbl); 95 /* { dg-output "127 120 1 3 4 5 6 12 128 9 3 4 5 6: 139 248 10 6 8 10 12" } */ 96 printf("res: %d %d %d %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c, 97 res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g); 98 /* { dg-output "\nres: 139 248 10 6 8 10 12" } */ 99 100 res_dbl.a = 0; 101 res_dbl.b = 0; 102 res_dbl.c = 0; 103 res_dbl.d = 0; 104 res_dbl.e = 0; 105 res_dbl.f = 0; 106 res_dbl.g = 0; 107 108 CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_7byte_gn, NULL, code) == FFI_OK); 109 110 res_dbl = ((cls_struct_7byte(*)(cls_struct_7byte, cls_struct_7byte))(code))(g_dbl, f_dbl); 111 /* { dg-output "\n127 120 1 3 4 5 6 12 128 9 3 4 5 6: 139 248 10 6 8 10 12" } */ 112 printf("res: %d %d %d %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c, 113 res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g); 114 /* { dg-output "\nres: 139 248 10 6 8 10 12" } */ 115 116 exit(0); 117 } 118
