libffi/testsuite/libffi.call/cls_align_longdouble_split2.c

   1 /*      Area:                   ffi_call, closure_call
   2         Purpose:                Check structure alignment of long double.
   3         Limitations:    none.
   4         PR:                             none.
   5         Originator:             Blake Chaffin   6/18/2007
   6 */
   7
   8 /* { dg-do run { xfail strongarm*-*-* } } */
   9 /* { dg-options -mlong-double-128 { target powerpc64*-*-linux* } } */
  10
  11 #include "ffitest.h"
  12
  13 typedef struct cls_struct_align {
  14   long double a;
  15   long double b;
  16   long double c;
  17   long double d;
  18   long double e;
  19   double f;
  20   long double g;
  21 } cls_struct_align;
  22
  23 cls_struct_align cls_struct_align_fn(
  24         cls_struct_align        a1,
  25         cls_struct_align        a2)
  26 {
  27         struct cls_struct_align r;
  28
  29         r.a = a1.a + a2.a;
  30         r.b = a1.b + a2.b;
  31         r.c = a1.c + a2.c;
  32         r.d = a1.d + a2.d;
  33         r.e = a1.e + a2.e;
  34         r.f = a1.f + a2.f;
  35         r.g = a1.g + a2.g;
  36
  37         printf("%Lg %Lg %Lg %Lg %Lg %g %Lg %Lg %Lg %Lg %Lg %Lg %g %Lg: "
  38                 "%Lg %Lg %Lg %Lg %Lg %g %Lg\n",
  39                 a1.a, a1.b, a1.c, a1.d, a1.e, a1.f, a1.g,
  40                 a2.a, a2.b, a2.c, a2.d, a2.e, a2.f, a2.g,
  41                 r.a, r.b, r.c, r.d, r.e, r.f, r.g);
  42
  43         return r;
  44 }
  45
  46 static void
  47 cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
  48                     void* userdata __UNUSED__)
  49 {
  50         struct cls_struct_align a1, a2;
  51
  52         a1 = *(struct cls_struct_align*)(args[0]);
  53         a2 = *(struct cls_struct_align*)(args[1]);
  54
  55         *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
  56 }
  57
  58 int main (void)
  59 {
  60         ffi_cif cif;
  61         void *code;
  62         ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
  63         void* args_dbl[3];
  64         ffi_type* cls_struct_fields[8];
  65         ffi_type cls_struct_type;
  66         ffi_type* dbl_arg_types[3];
  67
  68         struct cls_struct_align g_dbl = { 1, 2, 3, 4, 5, 6, 7 };
  69         struct cls_struct_align f_dbl = { 8, 9, 10, 11, 12, 13, 14 };
  70         struct cls_struct_align res_dbl;
  71
  72         cls_struct_type.size = 0;
  73         cls_struct_type.alignment = 0;
  74         cls_struct_type.type = FFI_TYPE_STRUCT;
  75         cls_struct_type.elements = cls_struct_fields;
  76
  77         cls_struct_fields[0] = &ffi_type_longdouble;
  78         cls_struct_fields[1] = &ffi_type_longdouble;
  79         cls_struct_fields[2] = &ffi_type_longdouble;
  80         cls_struct_fields[3] = &ffi_type_longdouble;
  81         cls_struct_fields[4] = &ffi_type_longdouble;
  82         cls_struct_fields[5] = &ffi_type_double;
  83         cls_struct_fields[6] = &ffi_type_longdouble;
  84         cls_struct_fields[7] = NULL;
  85
  86         dbl_arg_types[0] = &cls_struct_type;
  87         dbl_arg_types[1] = &cls_struct_type;
  88         dbl_arg_types[2] = NULL;
  89
  90         CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
  91                 dbl_arg_types) == FFI_OK);
  92
  93         args_dbl[0] = &g_dbl;
  94         args_dbl[1] = &f_dbl;
  95         args_dbl[2] = NULL;
  96
  97         ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
  98         /* { dg-output "1 2 3 4 5 6 7 8 9 10 11 12 13 14: 9 11 13 15 17 19 21" } */
  99         printf("res: %Lg %Lg %Lg %Lg %Lg %g %Lg\n", res_dbl.a, res_dbl.b,
 100                 res_dbl.c, res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g);
 101         /* { dg-output "\nres: 9 11 13 15 17 19 21" } */
 102
 103         CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK);
 104
 105         res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl);
 106         /* { dg-output "\n1 2 3 4 5 6 7 8 9 10 11 12 13 14: 9 11 13 15 17 19 21" } */
 107         printf("res: %Lg %Lg %Lg %Lg %Lg %g %Lg\n", res_dbl.a, res_dbl.b,
 108                 res_dbl.c, res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g);
 109         /* { dg-output "\nres: 9 11 13 15 17 19 21" } */
 110
 111   exit(0);
 112 }
 113
 114
 115