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      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 (at) 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 #ifndef USING_MMAP
     63   static ffi_closure cl;
     64 #endif
     65   ffi_closure *pcl;
     66   void* args_dbl[5];
     67   ffi_type* cls_struct_fields[9];
     68   ffi_type cls_struct_type;
     69   ffi_type* dbl_arg_types[5];
     70 
     71 #ifdef USING_MMAP
     72   pcl = allocate_mmap (sizeof(ffi_closure));
     73 #else
     74   pcl = &cl;
     75 #endif
     76 
     77   cls_struct_type.size = 0;
     78   cls_struct_type.alignment = 0;
     79   cls_struct_type.type = FFI_TYPE_STRUCT;
     80   cls_struct_type.elements = cls_struct_fields;
     81 
     82   struct cls_struct_64byte e_dbl = { 9.0, 2.0, 6.0, 5.0, 3.0, 4.0, 8.0, 1.0 };
     83   struct cls_struct_64byte f_dbl = { 1.0, 2.0, 3.0, 7.0, 2.0, 5.0, 6.0, 7.0 };
     84   struct cls_struct_64byte g_dbl = { 4.0, 5.0, 7.0, 9.0, 1.0, 1.0, 2.0, 9.0 };
     85   struct cls_struct_64byte h_dbl = { 8.0, 6.0, 1.0, 4.0, 0.0, 3.0, 3.0, 1.0 };
     86   struct cls_struct_64byte res_dbl;
     87 
     88   cls_struct_fields[0] = &ffi_type_double;
     89   cls_struct_fields[1] = &ffi_type_double;
     90   cls_struct_fields[2] = &ffi_type_double;
     91   cls_struct_fields[3] = &ffi_type_double;
     92   cls_struct_fields[4] = &ffi_type_double;
     93   cls_struct_fields[5] = &ffi_type_double;
     94   cls_struct_fields[6] = &ffi_type_double;
     95   cls_struct_fields[7] = &ffi_type_double;
     96   cls_struct_fields[8] = NULL;
     97 
     98   dbl_arg_types[0] = &cls_struct_type;
     99   dbl_arg_types[1] = &cls_struct_type;
    100   dbl_arg_types[2] = &cls_struct_type;
    101   dbl_arg_types[3] = &cls_struct_type;
    102   dbl_arg_types[4] = NULL;
    103 
    104   CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4, &cls_struct_type,
    105 		     dbl_arg_types) == FFI_OK);
    106 
    107   args_dbl[0] = &e_dbl;
    108   args_dbl[1] = &f_dbl;
    109   args_dbl[2] = &g_dbl;
    110   args_dbl[3] = &h_dbl;
    111   args_dbl[4] = NULL;
    112 
    113   ffi_call(&cif, FFI_FN(cls_struct_64byte_fn), &res_dbl, args_dbl);
    114   /* { dg-output "22 15 17 25 6 13 19 18" } */
    115   printf("res: %g %g %g %g %g %g %g %g\n", res_dbl.a, res_dbl.b, res_dbl.c,
    116 	 res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g, res_dbl.h);
    117   /* { dg-output "\nres: 22 15 17 25 6 13 19 18" } */
    118 
    119   CHECK(ffi_prep_closure(pcl, &cif, cls_struct_64byte_gn, NULL) == FFI_OK);
    120 
    121   res_dbl = ((cls_struct_64byte(*)(cls_struct_64byte,
    122 				   cls_struct_64byte,
    123 				   cls_struct_64byte,
    124 				   cls_struct_64byte))
    125 	     (pcl))(e_dbl, f_dbl, g_dbl, h_dbl);
    126   /* { dg-output "\n22 15 17 25 6 13 19 18" } */
    127   printf("res: %g %g %g %g %g %g %g %g\n", res_dbl.a, res_dbl.b, res_dbl.c,
    128 	 res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g, res_dbl.h);
    129   /* { dg-output "\nres: 22 15 17 25 6 13 19 18" } */
    130 
    131   exit(0);
    132 }
    133