1 /* Area: ffi_call, closure_call 2 Purpose: Check structure passing with different structure size. 3 Depending on the ABI. Double alignment check on darwin. 4 Limitations: none. 5 PR: none. 6 Originator: <andreast (at) gcc.gnu.org> 20030915 */ 7 8 /* { dg-do run } */ 9 #include "ffitest.h" 10 11 typedef struct cls_struct_19byte { 12 double a; 13 unsigned char b; 14 unsigned char c; 15 double d; 16 unsigned char e; 17 } cls_struct_19byte; 18 19 cls_struct_19byte cls_struct_19byte_fn(struct cls_struct_19byte a1, 20 struct cls_struct_19byte a2) 21 { 22 struct cls_struct_19byte result; 23 24 result.a = a1.a + a2.a; 25 result.b = a1.b + a2.b; 26 result.c = a1.c + a2.c; 27 result.d = a1.d + a2.d; 28 result.e = a1.e + a2.e; 29 30 31 printf("%g %d %d %g %d %g %d %d %g %d: %g %d %d %g %d\n", 32 a1.a, a1.b, a1.c, a1.d, a1.e, 33 a2.a, a2.b, a2.c, a2.d, a2.e, 34 result.a, result.b, result.c, result.d, result.e); 35 return result; 36 } 37 38 static void 39 cls_struct_19byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args, 40 void* userdata __UNUSED__) 41 { 42 struct cls_struct_19byte a1, a2; 43 44 a1 = *(struct cls_struct_19byte*)(args[0]); 45 a2 = *(struct cls_struct_19byte*)(args[1]); 46 47 *(cls_struct_19byte*)resp = cls_struct_19byte_fn(a1, a2); 48 } 49 50 int main (void) 51 { 52 ffi_cif cif; 53 #ifndef USING_MMAP 54 static ffi_closure cl; 55 #endif 56 ffi_closure *pcl; 57 void* args_dbl[3]; 58 ffi_type* cls_struct_fields[6]; 59 ffi_type cls_struct_type; 60 ffi_type* dbl_arg_types[3]; 61 62 #ifdef USING_MMAP 63 pcl = allocate_mmap (sizeof(ffi_closure)); 64 #else 65 pcl = &cl; 66 #endif 67 68 cls_struct_type.size = 0; 69 cls_struct_type.alignment = 0; 70 cls_struct_type.type = FFI_TYPE_STRUCT; 71 cls_struct_type.elements = cls_struct_fields; 72 73 struct cls_struct_19byte g_dbl = { 1.0, 127, 126, 3.0, 120 }; 74 struct cls_struct_19byte f_dbl = { 4.0, 125, 124, 5.0, 119 }; 75 struct cls_struct_19byte res_dbl; 76 77 cls_struct_fields[0] = &ffi_type_double; 78 cls_struct_fields[1] = &ffi_type_uchar; 79 cls_struct_fields[2] = &ffi_type_uchar; 80 cls_struct_fields[3] = &ffi_type_double; 81 cls_struct_fields[4] = &ffi_type_uchar; 82 cls_struct_fields[5] = NULL; 83 84 dbl_arg_types[0] = &cls_struct_type; 85 dbl_arg_types[1] = &cls_struct_type; 86 dbl_arg_types[2] = NULL; 87 88 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type, 89 dbl_arg_types) == FFI_OK); 90 91 args_dbl[0] = &g_dbl; 92 args_dbl[1] = &f_dbl; 93 args_dbl[2] = NULL; 94 95 ffi_call(&cif, FFI_FN(cls_struct_19byte_fn), &res_dbl, args_dbl); 96 /* { dg-output "1 127 126 3 120 4 125 124 5 119: 5 252 250 8 239" } */ 97 printf("res: %g %d %d %g %d\n", res_dbl.a, res_dbl.b, res_dbl.c, 98 res_dbl.d, res_dbl.e); 99 /* { dg-output "\nres: 5 252 250 8 239" } */ 100 101 CHECK(ffi_prep_closure(pcl, &cif, cls_struct_19byte_gn, NULL) == FFI_OK); 102 103 res_dbl = ((cls_struct_19byte(*)(cls_struct_19byte, cls_struct_19byte))(pcl))(g_dbl, f_dbl); 104 /* { dg-output "\n1 127 126 3 120 4 125 124 5 119: 5 252 250 8 239" } */ 105 printf("res: %g %d %d %g %d\n", res_dbl.a, res_dbl.b, res_dbl.c, 106 res_dbl.d, res_dbl.e); 107 /* { dg-output "\nres: 5 252 250 8 239" } */ 108 109 exit(0); 110 } 111
