libffi/testsuite/libffi.call/cls_align_longdouble_split.c

   1 /* Area:        ffi_call, closure_call
   2    Purpose:     Check structure alignment of long double.
   3    Limitations: none.
   4    PR:          none.
   5    Originator:  <hos@tamanegi.org> 20031203      */
   6
   7 /* { dg-excess-errors "no long double format" { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */
   8 /* { dg-do run { xfail strongarm*-*-* xscale*-*-* } } */
   9 /* { dg-options -mlong-double-128 { target powerpc64*-*-linux* } } */
  10 /* { dg-output "" { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */
  11
  12 #include "ffitest.h"
  13
  14 typedef struct cls_struct_align {
  15   long double a;
  16   long double b;
  17   long double c;
  18   long double d;
  19   long double e;
  20   long double f;
  21   long double g;
  22 } cls_struct_align;
  23
  24 cls_struct_align cls_struct_align_fn(
  25         cls_struct_align        a1,
  26         cls_struct_align        a2)
  27 {
  28         struct cls_struct_align r;
  29
  30         r.a = a1.a + a2.a;
  31         r.b = a1.b + a2.b;
  32         r.c = a1.c + a2.c;
  33         r.d = a1.d + a2.d;
  34         r.e = a1.e + a2.e;
  35         r.f = a1.f + a2.f;
  36         r.g = a1.g + a2.g;
  37
  38         printf("%Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg: "
  39                 "%Lg %Lg %Lg %Lg %Lg %Lg %Lg\n",
  40                 a1.a, a1.b, a1.c, a1.d, a1.e, a1.f, a1.g,
  41                 a2.a, a2.b, a2.c, a2.d, a2.e, a2.f, a2.g,
  42                 r.a, r.b, r.c, r.d, r.e, r.f, r.g);
  43
  44         return r;
  45 }
  46
  47 cls_struct_align cls_struct_align_fn2(
  48         cls_struct_align        a1)
  49 {
  50         struct cls_struct_align r;
  51
  52         r.a = a1.a + 1;
  53         r.b = a1.b + 1;
  54         r.c = a1.c + 1;
  55         r.d = a1.d + 1;
  56         r.e = a1.e + 1;
  57         r.f = a1.f + 1;
  58         r.g = a1.g + 1;
  59
  60         printf("%Lg %Lg %Lg %Lg %Lg %Lg %Lg: "
  61                 "%Lg %Lg %Lg %Lg %Lg %Lg %Lg\n",
  62                 a1.a, a1.b, a1.c, a1.d, a1.e, a1.f, a1.g,
  63                 r.a, r.b, r.c, r.d, r.e, r.f, r.g);
  64
  65         return r;
  66 }
  67
  68 static void
  69 cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
  70                     void* userdata __UNUSED__)
  71 {
  72         struct cls_struct_align a1, a2;
  73
  74         a1 = *(struct cls_struct_align*)(args[0]);
  75         a2 = *(struct cls_struct_align*)(args[1]);
  76
  77         *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
  78 }
  79
  80 int main (void)
  81 {
  82         ffi_cif cif;
  83         void *code;
  84         ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
  85         void* args_dbl[3];
  86         ffi_type* cls_struct_fields[8];
  87         ffi_type cls_struct_type;
  88         ffi_type* dbl_arg_types[3];
  89
  90         cls_struct_type.size = 0;
  91         cls_struct_type.alignment = 0;
  92         cls_struct_type.type = FFI_TYPE_STRUCT;
  93         cls_struct_type.elements = cls_struct_fields;
  94
  95         struct cls_struct_align g_dbl = { 1, 2, 3, 4, 5, 6, 7 };
  96         struct cls_struct_align f_dbl = { 8, 9, 10, 11, 12, 13, 14 };
  97         struct cls_struct_align res_dbl;
  98
  99         cls_struct_fields[0] = &ffi_type_longdouble;
 100         cls_struct_fields[1] = &ffi_type_longdouble;
 101         cls_struct_fields[2] = &ffi_type_longdouble;
 102         cls_struct_fields[3] = &ffi_type_longdouble;
 103         cls_struct_fields[4] = &ffi_type_longdouble;
 104         cls_struct_fields[5] = &ffi_type_longdouble;
 105         cls_struct_fields[6] = &ffi_type_longdouble;
 106         cls_struct_fields[7] = NULL;
 107
 108         dbl_arg_types[0] = &cls_struct_type;
 109         dbl_arg_types[1] = &cls_struct_type;
 110         dbl_arg_types[2] = NULL;
 111
 112         CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
 113                 dbl_arg_types) == FFI_OK);
 114
 115         args_dbl[0] = &g_dbl;
 116         args_dbl[1] = &f_dbl;
 117         args_dbl[2] = NULL;
 118
 119         ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
 120         /* { dg-output "1 2 3 4 5 6 7 8 9 10 11 12 13 14: 9 11 13 15 17 19 21" } */
 121         printf("res: %Lg %Lg %Lg %Lg %Lg %Lg %Lg\n", res_dbl.a, res_dbl.b,
 122                 res_dbl.c, res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g);
 123         /* { dg-output "\nres: 9 11 13 15 17 19 21" } */
 124
 125         CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK);
 126
 127         res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl);
 128         /* { dg-output "\n1 2 3 4 5 6 7 8 9 10 11 12 13 14: 9 11 13 15 17 19 21" } */
 129         printf("res: %Lg %Lg %Lg %Lg %Lg %Lg %Lg\n", res_dbl.a, res_dbl.b,
 130                 res_dbl.c, res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g);
 131         /* { dg-output "\nres: 9 11 13 15 17 19 21" } */
 132
 133   exit(0);
 134 }