1/* Area: ffi_call, closure_call 2 Purpose: Check structure passing with different structure size. 3 Especially with small structures which may fit in one 4 register. Depending on the ABI. 5 Limitations: none. 6 PR: none. 7 Originator: <andreast@gcc.gnu.org> 20030902 */ 8 9/* { dg-do run { xfail mips*-*-* arm*-*-* strongarm*-*-* xscale*-*-* } } */ 10#include "ffitest.h" 11 12typedef struct cls_struct_1_1byte { 13 unsigned char a; 14} cls_struct_1_1byte; 15 16cls_struct_1_1byte cls_struct_1_1byte_fn(struct cls_struct_1_1byte a1, 17 struct cls_struct_1_1byte a2) 18{ 19 struct cls_struct_1_1byte result; 20 21 result.a = a1.a + a2.a; 22 23 printf("%d %d: %d\n", a1.a, a2.a, result.a); 24 25 return result; 26} 27 28static void 29cls_struct_1_1byte_gn(ffi_cif* cif, void* resp, void** args, void* userdata) 30{ 31 struct cls_struct_1_1byte a1, a2; 32 33 a1 = *(struct cls_struct_1_1byte*)(args[0]); 34 a2 = *(struct cls_struct_1_1byte*)(args[1]); 35 36 *(cls_struct_1_1byte*)resp = cls_struct_1_1byte_fn(a1, a2); 37} 38 39int main (void) 40{ 41 ffi_cif cif; 42#ifndef USING_MMAP 43 static ffi_closure cl; 44#endif 45 ffi_closure *pcl; 46 void* args_dbl[5]; 47 ffi_type* cls_struct_fields[2]; 48 ffi_type cls_struct_type; 49 ffi_type* dbl_arg_types[5]; 50 51#ifdef USING_MMAP 52 pcl = allocate_mmap (sizeof(ffi_closure)); 53#else 54 pcl = &cl; 55#endif 56 57 cls_struct_type.size = 0; 58 cls_struct_type.alignment = 0; 59 cls_struct_type.type = FFI_TYPE_STRUCT; 60 cls_struct_type.elements = cls_struct_fields; 61 62 struct cls_struct_1_1byte g_dbl = { 12 }; 63 struct cls_struct_1_1byte f_dbl = { 178 }; 64 struct cls_struct_1_1byte res_dbl; 65 66 cls_struct_fields[0] = &ffi_type_uchar; 67 cls_struct_fields[1] = 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_1_1byte_fn), &res_dbl, args_dbl); 81 /* { dg-output "12 178: 190" } */ 82 printf("res: %d\n", res_dbl.a); 83 /* { dg-output "\nres: 190" } */ 84 85 CHECK(ffi_prep_closure(pcl, &cif, cls_struct_1_1byte_gn, NULL) == FFI_OK); 86 87 res_dbl = ((cls_struct_1_1byte(*)(cls_struct_1_1byte, cls_struct_1_1byte))(pcl))(g_dbl, f_dbl); 88 /* { dg-output "\n12 178: 190" } */ 89 printf("res: %d\n", res_dbl.a); 90 /* { dg-output "\nres: 190" } */ 91 92 exit(0); 93} 94