libffi/testsuite/libffi.call/cls_64byte.c

   1 /* Area:        ffi_call, closure_call
   2    Purpose:     Check structure passing with different structure size.
   3                 Depending on the ABI. Check bigger struct which overlaps
   4                 the gp and fp register count on Darwin/AIX/ppc64.
   5    Limitations: none.
   6    PR:          none.
   7    Originator:  <andreast@gcc.gnu.org> 20030828  */
   8
   9 /* { dg-do run } */
  10 #include "ffitest.h"
  11
  12 typedef struct cls_struct_64byte {
  13   double a;
  14   double b;
  15   double c;
  16   double d;
  17   double e;
  18   double f;
  19   double g;
  20   double h;
  21 } cls_struct_64byte;
  22
  23 cls_struct_64byte cls_struct_64byte_fn(struct cls_struct_64byte b0,
  24                             struct cls_struct_64byte b1,
  25                             struct cls_struct_64byte b2,
  26                             struct cls_struct_64byte b3)
  27 {
  28   struct cls_struct_64byte result;
  29
  30   result.a = b0.a + b1.a + b2.a + b3.a;
  31   result.b = b0.b + b1.b + b2.b + b3.b;
  32   result.c = b0.c + b1.c + b2.c + b3.c;
  33   result.d = b0.d + b1.d + b2.d + b3.d;
  34   result.e = b0.e + b1.e + b2.e + b3.e;
  35   result.f = b0.f + b1.f + b2.f + b3.f;
  36   result.g = b0.g + b1.g + b2.g + b3.g;
  37   result.h = b0.h + b1.h + b2.h + b3.h;
  38
  39   printf("%g %g %g %g %g %g %g %g\n", result.a, result.b, result.c,
  40          result.d, result.e, result.f, result.g, result.h);
  41
  42   return result;
  43 }
  44
  45 static void
  46 cls_struct_64byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
  47                      void* userdata __UNUSED__)
  48 {
  49   struct cls_struct_64byte b0, b1, b2, b3;
  50
  51   b0 = *(struct cls_struct_64byte*)(args[0]);
  52   b1 = *(struct cls_struct_64byte*)(args[1]);
  53   b2 = *(struct cls_struct_64byte*)(args[2]);
  54   b3 = *(struct cls_struct_64byte*)(args[3]);
  55
  56   *(cls_struct_64byte*)resp = cls_struct_64byte_fn(b0, b1, b2, b3);
  57 }
  58
  59 int main (void)
  60 {
  61   ffi_cif cif;
  62   void *code;
  63   ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
  64   void* args_dbl[5];
  65   ffi_type* cls_struct_fields[9];
  66   ffi_type cls_struct_type;
  67   ffi_type* dbl_arg_types[5];
  68
  69   cls_struct_type.size = 0;
  70   cls_struct_type.alignment = 0;
  71   cls_struct_type.type = FFI_TYPE_STRUCT;
  72   cls_struct_type.elements = cls_struct_fields;
  73
  74   struct cls_struct_64byte e_dbl = { 9.0, 2.0, 6.0, 5.0, 3.0, 4.0, 8.0, 1.0 };
  75   struct cls_struct_64byte f_dbl = { 1.0, 2.0, 3.0, 7.0, 2.0, 5.0, 6.0, 7.0 };
  76   struct cls_struct_64byte g_dbl = { 4.0, 5.0, 7.0, 9.0, 1.0, 1.0, 2.0, 9.0 };
  77   struct cls_struct_64byte h_dbl = { 8.0, 6.0, 1.0, 4.0, 0.0, 3.0, 3.0, 1.0 };
  78   struct cls_struct_64byte res_dbl;
  79
  80   cls_struct_fields[0] = &ffi_type_double;
  81   cls_struct_fields[1] = &ffi_type_double;
  82   cls_struct_fields[2] = &ffi_type_double;
  83   cls_struct_fields[3] = &ffi_type_double;
  84   cls_struct_fields[4] = &ffi_type_double;
  85   cls_struct_fields[5] = &ffi_type_double;
  86   cls_struct_fields[6] = &ffi_type_double;
  87   cls_struct_fields[7] = &ffi_type_double;
  88   cls_struct_fields[8] = NULL;
  89
  90   dbl_arg_types[0] = &cls_struct_type;
  91   dbl_arg_types[1] = &cls_struct_type;
  92   dbl_arg_types[2] = &cls_struct_type;
  93   dbl_arg_types[3] = &cls_struct_type;
  94   dbl_arg_types[4] = NULL;
  95
  96   CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4, &cls_struct_type,
  97                      dbl_arg_types) == FFI_OK);
  98
  99   args_dbl[0] = &e_dbl;
 100   args_dbl[1] = &f_dbl;
 101   args_dbl[2] = &g_dbl;
 102   args_dbl[3] = &h_dbl;
 103   args_dbl[4] = NULL;
 104
 105   ffi_call(&cif, FFI_FN(cls_struct_64byte_fn), &res_dbl, args_dbl);
 106   /* { dg-output "22 15 17 25 6 13 19 18" } */
 107   printf("res: %g %g %g %g %g %g %g %g\n", res_dbl.a, res_dbl.b, res_dbl.c,
 108          res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g, res_dbl.h);
 109   /* { dg-output "\nres: 22 15 17 25 6 13 19 18" } */
 110
 111   CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_64byte_gn, NULL, code) == FFI_OK);
 112
 113   res_dbl = ((cls_struct_64byte(*)(cls_struct_64byte,
 114                                    cls_struct_64byte,
 115                                    cls_struct_64byte,
 116                                    cls_struct_64byte))
 117              (code))(e_dbl, f_dbl, g_dbl, h_dbl);
 118   /* { dg-output "\n22 15 17 25 6 13 19 18" } */
 119   printf("res: %g %g %g %g %g %g %g %g\n", res_dbl.a, res_dbl.b, res_dbl.c,
 120          res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g, res_dbl.h);
 121   /* { dg-output "\nres: 22 15 17 25 6 13 19 18" } */
 122
 123   exit(0);
 124 }