| /* Area: ffi_call, closure_call |
| Purpose: Check structure alignment of long double. |
| Limitations: none. |
| PR: none. |
| Originator: Blake Chaffin 6/18/2007 |
| */ |
| |
| /* { dg-excess-errors "no long double format" { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */ |
| /* { dg-do run { xfail strongarm*-*-* } } */ |
| /* { dg-options -mlong-double-128 { target powerpc64*-*-linux* } } */ |
| /* { dg-output "" { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */ |
| |
| #include "ffitest.h" |
| |
| typedef struct cls_struct_align { |
| long double a; |
| long double b; |
| long double c; |
| long double d; |
| long double e; |
| double f; |
| long double g; |
| } cls_struct_align; |
| |
| cls_struct_align cls_struct_align_fn( |
| cls_struct_align a1, |
| cls_struct_align a2) |
| { |
| struct cls_struct_align r; |
| |
| r.a = a1.a + a2.a; |
| r.b = a1.b + a2.b; |
| r.c = a1.c + a2.c; |
| r.d = a1.d + a2.d; |
| r.e = a1.e + a2.e; |
| r.f = a1.f + a2.f; |
| r.g = a1.g + a2.g; |
| |
| printf("%Lg %Lg %Lg %Lg %Lg %g %Lg %Lg %Lg %Lg %Lg %Lg %g %Lg: " |
| "%Lg %Lg %Lg %Lg %Lg %g %Lg\n", |
| a1.a, a1.b, a1.c, a1.d, a1.e, a1.f, a1.g, |
| a2.a, a2.b, a2.c, a2.d, a2.e, a2.f, a2.g, |
| r.a, r.b, r.c, r.d, r.e, r.f, r.g); |
| |
| return r; |
| } |
| |
| 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; |
| void *code; |
| ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code); |
| void* args_dbl[3]; |
| ffi_type* cls_struct_fields[8]; |
| ffi_type cls_struct_type; |
| ffi_type* dbl_arg_types[3]; |
| |
| struct cls_struct_align g_dbl = { 1, 2, 3, 4, 5, 6, 7 }; |
| struct cls_struct_align f_dbl = { 8, 9, 10, 11, 12, 13, 14 }; |
| struct cls_struct_align res_dbl; |
| |
| cls_struct_type.size = 0; |
| cls_struct_type.alignment = 0; |
| cls_struct_type.type = FFI_TYPE_STRUCT; |
| cls_struct_type.elements = cls_struct_fields; |
| |
| cls_struct_fields[0] = &ffi_type_longdouble; |
| cls_struct_fields[1] = &ffi_type_longdouble; |
| cls_struct_fields[2] = &ffi_type_longdouble; |
| cls_struct_fields[3] = &ffi_type_longdouble; |
| cls_struct_fields[4] = &ffi_type_longdouble; |
| cls_struct_fields[5] = &ffi_type_double; |
| cls_struct_fields[6] = &ffi_type_longdouble; |
| cls_struct_fields[7] = 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 "1 2 3 4 5 6 7 8 9 10 11 12 13 14: 9 11 13 15 17 19 21" } */ |
| printf("res: %Lg %Lg %Lg %Lg %Lg %g %Lg\n", res_dbl.a, res_dbl.b, |
| res_dbl.c, res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g); |
| /* { dg-output "\nres: 9 11 13 15 17 19 21" } */ |
| |
| CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK); |
| |
| res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl); |
| /* { dg-output "\n1 2 3 4 5 6 7 8 9 10 11 12 13 14: 9 11 13 15 17 19 21" } */ |
| printf("res: %Lg %Lg %Lg %Lg %Lg %g %Lg\n", res_dbl.a, res_dbl.b, |
| res_dbl.c, res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g); |
| /* { dg-output "\nres: 9 11 13 15 17 19 21" } */ |
| |
| exit(0); |
| } |
| |
| |
| |