1/* Area: ffi_call, closure_call 2 Purpose: Check structure alignment of uint16. 3 Limitations: none. 4 PR: none. 5 Originator: <hos@tamanegi.org> 20031203 */ 6 7/* { dg-do run { xfail mips*-*-* arm*-*-* strongarm*-*-* xscale*-*-* } } */ 8#include "ffitest.h" 9 10typedef struct cls_struct_align { 11 unsigned char a; 12 unsigned short b; 13 unsigned char c; 14} cls_struct_align; 15 16cls_struct_align cls_struct_align_fn(struct cls_struct_align a1, 17 struct cls_struct_align a2) 18{ 19 struct cls_struct_align result; 20 21 result.a = a1.a + a2.a; 22 result.b = a1.b + a2.b; 23 result.c = a1.c + a2.c; 24 25 printf("%d %d %d %d %d %d: %d %d %d\n", a1.a, a1.b, a1.c, a2.a, a2.b, a2.c, result.a, result.b, result.c); 26 27 return result; 28} 29 30static void 31cls_struct_align_gn(ffi_cif* cif, void* resp, void** args, void* userdata) 32{ 33 34 struct cls_struct_align a1, a2; 35 36 a1 = *(struct cls_struct_align*)(args[0]); 37 a2 = *(struct cls_struct_align*)(args[1]); 38 39 *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2); 40} 41 42int main (void) 43{ 44 ffi_cif cif; 45#ifndef USING_MMAP 46 static ffi_closure cl; 47#endif 48 ffi_closure *pcl; 49 void* args_dbl[5]; 50 ffi_type* cls_struct_fields[4]; 51 ffi_type cls_struct_type; 52 ffi_type* dbl_arg_types[5]; 53 54#ifdef USING_MMAP 55 pcl = allocate_mmap (sizeof(ffi_closure)); 56#else 57 pcl = &cl; 58#endif 59 60 cls_struct_type.size = 0; 61 cls_struct_type.alignment = 0; 62 cls_struct_type.type = FFI_TYPE_STRUCT; 63 cls_struct_type.elements = cls_struct_fields; 64 65 struct cls_struct_align g_dbl = { 12, 4951, 127 }; 66 struct cls_struct_align f_dbl = { 1, 9320, 13 }; 67 struct cls_struct_align res_dbl; 68 69 cls_struct_fields[0] = &ffi_type_uchar; 70 cls_struct_fields[1] = &ffi_type_uint16; 71 cls_struct_fields[2] = &ffi_type_uchar; 72 cls_struct_fields[3] = NULL; 73 74 dbl_arg_types[0] = &cls_struct_type; 75 dbl_arg_types[1] = &cls_struct_type; 76 dbl_arg_types[2] = NULL; 77 78 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type, 79 dbl_arg_types) == FFI_OK); 80 81 args_dbl[0] = &g_dbl; 82 args_dbl[1] = &f_dbl; 83 args_dbl[2] = NULL; 84 85 ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl); 86 /* { dg-output "12 4951 127 1 9320 13: 13 14271 140" } */ 87 printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c); 88 /* { dg-output "\nres: 13 14271 140" } */ 89 90 CHECK(ffi_prep_closure(pcl, &cif, cls_struct_align_gn, NULL) == FFI_OK); 91 92 res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(pcl))(g_dbl, f_dbl); 93 /* { dg-output "\n12 4951 127 1 9320 13: 13 14271 140" } */ 94 printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c); 95 /* { dg-output "\nres: 13 14271 140" } */ 96 97 exit(0); 98} 99