cls_align_longdouble.rar_float

/* Area: ffi_call, closure_call Purpose: Check structure alignment of long double. Limitations: none. PR: none. Originator: <hos@tamanegi.org> 20031203 */ /* { dg-do run } */ #include "ffitest.h" typedef struct cls_struct_align { unsigned char a; long double b; unsigned char c; } cls_struct_align; cls_struct_align cls_struct_align_fn(struct cls_struct_align a1, struct cls_struct_align a2) { struct cls_struct_align result; result.a = a1.a + a2.a; result.b = a1.b + a2.b; result.c = a1.c + a2.c; printf("%d %g %d %d %g %d: %d %g %d\n", a1.a, (double)a1.b, a1.c, a2.a, (double)a2.b, a2.c, result.a, (double)result.b, result.c); return result; } static void cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args, void* userdata __UNUSED__) { struct cls_struct_align a1, a2; a1 = *(struct cls_struct_align*)(args[0]); a2 = *(struct cls_struct_align*)(args[1]); *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2); } int main (void) { ffi_cif cif; #ifndef USING_MMAP static ffi_closure cl; #endif ffi_closure *pcl; void* args_dbl[5]; ffi_type* cls_struct_fields[4]; ffi_type cls_struct_type; ffi_type* dbl_arg_types[5]; #ifdef USING_MMAP pcl = allocate_mmap (sizeof(ffi_closure)); #else pcl = &cl; #endif cls_struct_type.size = 0; cls_struct_type.alignment = 0; cls_struct_type.type = FFI_TYPE_STRUCT; cls_struct_type.elements = cls_struct_fields; struct cls_struct_align g_dbl = { 12, 4951, 127 }; struct cls_struct_align f_dbl = { 1, 9320, 13 }; struct cls_struct_align res_dbl; cls_struct_fields[0] = &ffi_type_uchar; cls_struct_fields[1] = &ffi_type_longdouble; cls_struct_fields[2] = &ffi_type_uchar; cls_struct_fields[3] = NULL; dbl_arg_types[0] = &cls_struct_type; dbl_arg_types[1] = &cls_struct_type; dbl_arg_types[2] = NULL; CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type, dbl_arg_types) == FFI_OK); args_dbl[0] = &g_dbl; args_dbl[1] = &f_dbl; args_dbl[2] = NULL; ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl); /* { dg-output "12 4951 127 1 9320 13: 13 14271 140" } */ printf("res: %d %g %d\n", res_dbl.a, (double)res_dbl.b, res_dbl.c); /* { dg-output "\nres: 13 14271 140" } */ CHECK(ffi_prep_closure(pcl, &cif, cls_struct_align_gn, NULL) == FFI_OK); res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(pcl))(g_dbl, f_dbl); /* { dg-output "\n12 4951 127 1 9320 13: 13 14271 140" } */ printf("res: %d %g %d\n", res_dbl.a, (double)res_dbl.b, res_dbl.c); /* { dg-output "\nres: 13 14271 140" } */ exit(0); }