libffi/testsuite/libffi.call/cls_longdouble.c

   1 /* Area:                ffi_call, closure_call
   2    Purpose:             Check long double arguments.
   3    Limitations: none.
   4    PR:                  none.
   5    Originator:  Blake Chaffin   */
   6
   7 /* This test is known to PASS on armv7l-unknown-linux-gnueabihf, so I have
   8    remove the xfail for arm*-*-* below, until we know more.  */
   9 /* { dg-do run { xfail strongarm*-*-* xscale*-*-* } } */
  10 /* { dg-options -mlong-double-128 { target powerpc64*-*-linux* } } */
  11
  12 #include "ffitest.h"
  13
  14 long double cls_ldouble_fn(
  15         long double     a1,
  16         long double     a2,
  17         long double     a3,
  18         long double     a4,
  19         long double     a5,
  20         long double     a6,
  21         long double     a7,
  22         long double     a8)
  23 {
  24         long double     r = a1 + a2 + a3 + a4 + a5 + a6 + a7 + a8;
  25
  26         printf("%Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg: %Lg\n",
  27                 a1, a2, a3, a4, a5, a6, a7, a8, r);
  28
  29         return r;
  30 }
  31
  32 static void
  33 cls_ldouble_gn(ffi_cif* cif __UNUSED__, void* resp,
  34                void** args, void* userdata __UNUSED__)
  35 {
  36         long double     a1      = *(long double*)args[0];
  37         long double     a2      = *(long double*)args[1];
  38         long double     a3      = *(long double*)args[2];
  39         long double     a4      = *(long double*)args[3];
  40         long double     a5      = *(long double*)args[4];
  41         long double     a6      = *(long double*)args[5];
  42         long double     a7      = *(long double*)args[6];
  43         long double     a8      = *(long double*)args[7];
  44
  45         *(long double*)resp = cls_ldouble_fn(
  46                 a1, a2, a3, a4, a5, a6, a7, a8);
  47 }
  48
  49 int main(void)
  50 {
  51         ffi_cif cif;
  52         void* code;
  53         ffi_closure*    pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
  54         void*                   args[9];
  55         ffi_type*               arg_types[9];
  56         long double             res     = 0;
  57
  58         long double     arg1    = 1;
  59         long double     arg2    = 2;
  60         long double     arg3    = 3;
  61         long double     arg4    = 4;
  62         long double     arg5    = 5;
  63         long double     arg6    = 6;
  64         long double     arg7    = 7;
  65         long double     arg8    = 8;
  66
  67         arg_types[0] = &ffi_type_longdouble;
  68         arg_types[1] = &ffi_type_longdouble;
  69         arg_types[2] = &ffi_type_longdouble;
  70         arg_types[3] = &ffi_type_longdouble;
  71         arg_types[4] = &ffi_type_longdouble;
  72         arg_types[5] = &ffi_type_longdouble;
  73         arg_types[6] = &ffi_type_longdouble;
  74         arg_types[7] = &ffi_type_longdouble;
  75         arg_types[8] = NULL;
  76
  77         CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 8, &ffi_type_longdouble,
  78                 arg_types) == FFI_OK);
  79
  80         args[0] = &arg1;
  81         args[1] = &arg2;
  82         args[2] = &arg3;
  83         args[3] = &arg4;
  84         args[4] = &arg5;
  85         args[5] = &arg6;
  86         args[6] = &arg7;
  87         args[7] = &arg8;
  88         args[8] = NULL;
  89
  90         ffi_call(&cif, FFI_FN(cls_ldouble_fn), &res, args);
  91         /* { dg-output "1 2 3 4 5 6 7 8: 36" } */
  92         printf("res: %Lg\n", res);
  93         /* { dg-output "\nres: 36" } */
  94
  95         CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ldouble_gn, NULL, code) == FFI_OK);
  96
  97         res = ((long double(*)(long double, long double, long double, long double,
  98                 long double, long double, long double, long double))(code))(arg1, arg2,
  99                 arg3, arg4, arg5, arg6, arg7, arg8);
 100         /* { dg-output "\n1 2 3 4 5 6 7 8: 36" } */
 101         printf("res: %Lg\n", res);
 102         /* { dg-output "\nres: 36" } */
 103
 104         return 0;
 105 }