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_3_1byte { 13 unsigned char a; 14 unsigned char b; 15 unsigned char c; 16} cls_struct_3_1byte; 17 18cls_struct_3_1byte cls_struct_3_1byte_fn(struct cls_struct_3_1byte a1, 19 struct cls_struct_3_1byte a2) 20{ 21 struct cls_struct_3_1byte result; 22 23 result.a = a1.a + a2.a; 24 result.b = a1.b + a2.b; 25 result.c = a1.c + a2.c; 26 27 printf("%d %d %d %d %d %d: %d %d %d\n", a1.a, a1.b, a1.c, 28 a2.a, a2.b, a2.c, 29 result.a, result.b, result.c); 30 31 return result; 32} 33 34static void 35cls_struct_3_1byte_gn(ffi_cif* cif, void* resp, void** args, void* userdata) 36{ 37 38 struct cls_struct_3_1byte a1, a2; 39 40 a1 = *(struct cls_struct_3_1byte*)(args[0]); 41 a2 = *(struct cls_struct_3_1byte*)(args[1]); 42 43 *(cls_struct_3_1byte*)resp = cls_struct_3_1byte_fn(a1, a2); 44} 45 46int main (void) 47{ 48 ffi_cif cif; 49#ifndef USING_MMAP 50 static ffi_closure cl; 51#endif 52 ffi_closure *pcl; 53 void* args_dbl[5]; 54 ffi_type* cls_struct_fields[4]; 55 ffi_type cls_struct_type; 56 ffi_type* dbl_arg_types[5]; 57 58#ifdef USING_MMAP 59 pcl = allocate_mmap (sizeof(ffi_closure)); 60#else 61 pcl = &cl; 62#endif 63 64 cls_struct_type.size = 0; 65 cls_struct_type.alignment = 0; 66 cls_struct_type.type = FFI_TYPE_STRUCT; 67 cls_struct_type.elements = cls_struct_fields; 68 69 struct cls_struct_3_1byte g_dbl = { 12, 13, 14 }; 70 struct cls_struct_3_1byte f_dbl = { 178, 179, 180 }; 71 struct cls_struct_3_1byte res_dbl; 72 73 cls_struct_fields[0] = &ffi_type_uchar; 74 cls_struct_fields[1] = &ffi_type_uchar; 75 cls_struct_fields[2] = &ffi_type_uchar; 76 cls_struct_fields[3] = NULL; 77 78 dbl_arg_types[0] = &cls_struct_type; 79 dbl_arg_types[1] = &cls_struct_type; 80 dbl_arg_types[2] = NULL; 81 82 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type, 83 dbl_arg_types) == FFI_OK); 84 85 args_dbl[0] = &g_dbl; 86 args_dbl[1] = &f_dbl; 87 args_dbl[2] = NULL; 88 89 ffi_call(&cif, FFI_FN(cls_struct_3_1byte_fn), &res_dbl, args_dbl); 90 /* { dg-output "12 13 14 178 179 180: 190 192 194" } */ 91 printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c); 92 /* { dg-output "\nres: 190 192 194" } */ 93 94 CHECK(ffi_prep_closure(pcl, &cif, cls_struct_3_1byte_gn, NULL) == FFI_OK); 95 96 res_dbl = ((cls_struct_3_1byte(*)(cls_struct_3_1byte, cls_struct_3_1byte))(pcl))(g_dbl, f_dbl); 97 /* { dg-output "\n12 13 14 178 179 180: 190 192 194" } */ 98 printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c); 99 /* { dg-output "\nres: 190 192 194" } */ 100 101 exit(0); 102} 103