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@gcc.gnu.org> 20030828 */ 7 8/* { dg-do run { xfail mips*-*-* arm*-*-* strongarm*-*-* xscale*-*-* } } */ 9#include "ffitest.h" 10 11typedef struct cls_struct_7byte { 12 unsigned short a; 13 unsigned short b; 14 unsigned char c; 15 unsigned short d; 16} cls_struct_7byte; 17 18cls_struct_7byte cls_struct_7byte_fn(struct cls_struct_7byte a1, 19 struct cls_struct_7byte a2) 20{ 21 struct cls_struct_7byte result; 22 23 result.a = a1.a + a2.a; 24 result.b = a1.b + a2.b; 25 result.c = a1.c + a2.c; 26 result.d = a1.d + a2.d; 27 28 printf("%d %d %d %d %d %d %d %d: %d %d %d %d\n", a1.a, a1.b, a1.c, a1.d, 29 a2.a, a2.b, a2.c, a2.d, 30 result.a, result.b, result.c, result.d); 31 32 return result; 33} 34 35static void 36cls_struct_7byte_gn(ffi_cif* cif, void* resp, void** args, void* userdata) 37{ 38 39 struct cls_struct_7byte a1, a2; 40 41 a1 = *(struct cls_struct_7byte*)(args[0]); 42 a2 = *(struct cls_struct_7byte*)(args[1]); 43 44 *(cls_struct_7byte*)resp = cls_struct_7byte_fn(a1, a2); 45} 46 47int main (void) 48{ 49 ffi_cif cif; 50#ifndef USING_MMAP 51 static ffi_closure cl; 52#endif 53 ffi_closure *pcl; 54 void* args_dbl[5]; 55 ffi_type* cls_struct_fields[5]; 56 ffi_type cls_struct_type; 57 ffi_type* dbl_arg_types[5]; 58 59#ifdef USING_MMAP 60 pcl = allocate_mmap (sizeof(ffi_closure)); 61#else 62 pcl = &cl; 63#endif 64 65 cls_struct_type.size = 0; 66 cls_struct_type.alignment = 0; 67 cls_struct_type.type = FFI_TYPE_STRUCT; 68 cls_struct_type.elements = cls_struct_fields; 69 70 struct cls_struct_7byte g_dbl = { 127, 120, 1, 254 }; 71 struct cls_struct_7byte f_dbl = { 12, 128, 9, 255 }; 72 struct cls_struct_7byte res_dbl; 73 74 cls_struct_fields[0] = &ffi_type_ushort; 75 cls_struct_fields[1] = &ffi_type_ushort; 76 cls_struct_fields[2] = &ffi_type_uchar; 77 cls_struct_fields[3] = &ffi_type_ushort; 78 cls_struct_fields[4] = NULL; 79 80 dbl_arg_types[0] = &cls_struct_type; 81 dbl_arg_types[1] = &cls_struct_type; 82 dbl_arg_types[2] = NULL; 83 84 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type, 85 dbl_arg_types) == FFI_OK); 86 87 args_dbl[0] = &g_dbl; 88 args_dbl[1] = &f_dbl; 89 args_dbl[2] = NULL; 90 91 ffi_call(&cif, FFI_FN(cls_struct_7byte_fn), &res_dbl, args_dbl); 92 /* { dg-output "127 120 1 254 12 128 9 255: 139 248 10 509" } */ 93 printf("res: %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d); 94 /* { dg-output "\nres: 139 248 10 509" } */ 95 96 CHECK(ffi_prep_closure(pcl, &cif, cls_struct_7byte_gn, NULL) == FFI_OK); 97 98 res_dbl = ((cls_struct_7byte(*)(cls_struct_7byte, cls_struct_7byte))(pcl))(g_dbl, f_dbl); 99 /* { dg-output "\n127 120 1 254 12 128 9 255: 139 248 10 509" } */ 100 printf("res: %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d); 101 /* { dg-output "\nres: 139 248 10 509" } */ 102 103 exit(0); 104} 105