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@gcc.gnu.org> 20030915 */ 7 8/* { dg-do run { xfail mips*-*-* arm*-*-* strongarm*-*-* xscale*-*-* } } */ 9#include "ffitest.h" 10 11typedef struct cls_struct_18byte { 12 double a; 13 unsigned char b; 14 unsigned char c; 15 double d; 16} cls_struct_18byte; 17 18cls_struct_18byte cls_struct_18byte_fn(struct cls_struct_18byte a1, 19 struct cls_struct_18byte a2) 20{ 21 struct cls_struct_18byte 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 29 printf("%g %d %d %g %g %d %d %g: %g %d %d %g\n", a1.a, a1.b, a1.c, a1.d, 30 a2.a, a2.b, a2.c, a2.d, 31 result.a, result.b, result.c, result.d); 32 return result; 33} 34 35static void 36cls_struct_18byte_gn(ffi_cif* cif, void* resp, void** args, void* userdata) 37{ 38 struct cls_struct_18byte a1, a2; 39 40 a1 = *(struct cls_struct_18byte*)(args[0]); 41 a2 = *(struct cls_struct_18byte*)(args[1]); 42 43 *(cls_struct_18byte*)resp = cls_struct_18byte_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[3]; 54 ffi_type* cls_struct_fields[5]; 55 ffi_type cls_struct_type; 56 ffi_type* dbl_arg_types[3]; 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_18byte g_dbl = { 1.0, 127, 126, 3.0 }; 70 struct cls_struct_18byte f_dbl = { 4.0, 125, 124, 5.0 }; 71 struct cls_struct_18byte res_dbl; 72 73 cls_struct_fields[0] = &ffi_type_double; 74 cls_struct_fields[1] = &ffi_type_uchar; 75 cls_struct_fields[2] = &ffi_type_uchar; 76 cls_struct_fields[3] = &ffi_type_double; 77 cls_struct_fields[4] = NULL; 78 79 dbl_arg_types[0] = &cls_struct_type; 80 dbl_arg_types[1] = &cls_struct_type; 81 dbl_arg_types[2] = NULL; 82 83 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type, 84 dbl_arg_types) == FFI_OK); 85 86 args_dbl[0] = &g_dbl; 87 args_dbl[1] = &f_dbl; 88 args_dbl[2] = NULL; 89 90 ffi_call(&cif, FFI_FN(cls_struct_18byte_fn), &res_dbl, args_dbl); 91 /* { dg-output "1 127 126 3 4 125 124 5: 5 252 250 8" } */ 92 printf("res: %g %d %d %g\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d); 93 /* { dg-output "\nres: 5 252 250 8" } */ 94 95 CHECK(ffi_prep_closure(pcl, &cif, cls_struct_18byte_gn, NULL) == FFI_OK); 96 97 res_dbl = ((cls_struct_18byte(*)(cls_struct_18byte, cls_struct_18byte))(pcl))(g_dbl, f_dbl); 98 /* { dg-output "\n1 127 126 3 4 125 124 5: 5 252 250 8" } */ 99 printf("res: %g %d %d %g\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d); 100 /* { dg-output "\nres: 5 252 250 8" } */ 101 102 exit(0); 103} 104