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-do run { xfail mips*-*-* arm*-*-* strongarm*-*-* xscale*-*-* x86_64-*-mingw* x86_64-*-cygwin* } } */
   8 /* { dg-options -mlong-double-128 { target powerpc64*-*-* } } */
   9
  10 #include "ffitest.h"
  11
  12 typedef struct cls_struct_align {
  13   long double a;
  14   long double b;
  15   long double c;
  16   long double d;
  17   long double e;
  18   long double f;
  19   long double g;
  20 } cls_struct_align;
  21
  22 cls_struct_align cls_struct_align_fn(
  23         cls_struct_align        a1,
  24         cls_struct_align        a2)
  25 {
  26         struct cls_struct_align r;
  27
  28         r.a = a1.a + a2.a;
  29         r.b = a1.b + a2.b;
  30         r.c = a1.c + a2.c;
  31         r.d = a1.d + a2.d;
  32         r.e = a1.e + a2.e;
  33         r.f = a1.f + a2.f;
  34         r.g = a1.g + a2.g;
  35
  36         printf("%Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg: "
  37                 "%Lg %Lg %Lg %Lg %Lg %Lg %Lg\n",
  38                 a1.a, a1.b, a1.c, a1.d, a1.e, a1.f, a1.g,
  39                 a2.a, a2.b, a2.c, a2.d, a2.e, a2.f, a2.g,
  40                 r.a, r.b, r.c, r.d, r.e, r.f, r.g);
  41
  42         return r;
  43 }
  44
  45 cls_struct_align cls_struct_align_fn2(
  46         cls_struct_align        a1)
  47 {
  48         struct cls_struct_align r;
  49
  50         r.a = a1.a + 1;
  51         r.b = a1.b + 1;
  52         r.c = a1.c + 1;
  53         r.d = a1.d + 1;
  54         r.e = a1.e + 1;
  55         r.f = a1.f + 1;
  56         r.g = a1.g + 1;
  57
  58         printf("%Lg %Lg %Lg %Lg %Lg %Lg %Lg: "
  59                 "%Lg %Lg %Lg %Lg %Lg %Lg %Lg\n",
  60                 a1.a, a1.b, a1.c, a1.d, a1.e, a1.f, a1.g,
  61                 r.a, r.b, r.c, r.d, r.e, r.f, r.g);
  62
  63         return r;
  64 }
  65
  66 static void
  67 cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
  68                     void* userdata __UNUSED__)
  69 {
  70         struct cls_struct_align a1, a2;
  71
  72         a1 = *(struct cls_struct_align*)(args[0]);
  73         a2 = *(struct cls_struct_align*)(args[1]);
  74
  75         *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
  76 }
  77
  78 int main (void)
  79 {
  80         ffi_cif cif;
  81 #ifndef USING_MMAP
  82         static ffi_closure cl;
  83 #endif
  84         ffi_closure *pcl;
  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 #ifdef USING_MMAP
  91         pcl = allocate_mmap (sizeof(ffi_closure));
  92 #else
  93         pcl = &cl;
  94 #endif
  95
  96         cls_struct_type.size = 0;
  97         cls_struct_type.alignment = 0;
  98         cls_struct_type.type = FFI_TYPE_STRUCT;
  99         cls_struct_type.elements = cls_struct_fields;
 100
 101         struct cls_struct_align g_dbl = { 1, 2, 3, 4, 5, 6, 7 };
 102         struct cls_struct_align f_dbl = { 8, 9, 10, 11, 12, 13, 14 };
 103         struct cls_struct_align res_dbl;
 104
 105         cls_struct_fields[0] = &ffi_type_longdouble;
 106         cls_struct_fields[1] = &ffi_type_longdouble;
 107         cls_struct_fields[2] = &ffi_type_longdouble;
 108         cls_struct_fields[3] = &ffi_type_longdouble;
 109         cls_struct_fields[4] = &ffi_type_longdouble;
 110         cls_struct_fields[5] = &ffi_type_longdouble;
 111         cls_struct_fields[6] = &ffi_type_longdouble;
 112         cls_struct_fields[7] = NULL;
 113
 114         dbl_arg_types[0] = &cls_struct_type;
 115         dbl_arg_types[1] = &cls_struct_type;
 116         dbl_arg_types[2] = NULL;
 117
 118         CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
 119                 dbl_arg_types) == FFI_OK);
 120
 121         args_dbl[0] = &g_dbl;
 122         args_dbl[1] = &f_dbl;
 123         args_dbl[2] = NULL;
 124
 125         ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
 126         /* { dg-output "1 2 3 4 5 6 7 8 9 10 11 12 13 14: 9 11 13 15 17 19 21" } */
 127         printf("res: %Lg %Lg %Lg %Lg %Lg %Lg %Lg\n", res_dbl.a, res_dbl.b,
 128                 res_dbl.c, res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g);
 129         /* { dg-output "\nres: 9 11 13 15 17 19 21" } */
 130
 131         CHECK(ffi_prep_closure(pcl, &cif, cls_struct_align_gn, NULL) == FFI_OK);
 132
 133         res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(pcl))(g_dbl, f_dbl);
 134         /* { dg-output "\n1 2 3 4 5 6 7 8 9 10 11 12 13 14: 9 11 13 15 17 19 21" } */
 135         printf("res: %Lg %Lg %Lg %Lg %Lg %Lg %Lg\n", res_dbl.a, res_dbl.b,
 136                 res_dbl.c, res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g);
 137         /* { dg-output "\nres: 9 11 13 15 17 19 21" } */
 138
 139   exit(0);
 140 }