libffi/testsuite/libffi.call/stret_medium.c

   1 /* Area:                ffi_call, closure_call
   2    Purpose:             Check structure returning 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:  Blake Chaffin   6/21/2007       */
   8
   9 /* { dg-do run { xfail strongarm*-*-* xscale*-*-*  } } */
  10 #include "ffitest.h"
  11
  12 typedef struct struct_72byte {
  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         double i;
  22 } struct_72byte;
  23
  24 struct_72byte cls_struct_72byte_fn(
  25         struct_72byte b0,
  26         struct_72byte b1,
  27         struct_72byte b2,
  28         struct_72byte b3)
  29 {
  30         struct_72byte   result;
  31
  32         result.a = b0.a + b1.a + b2.a + b3.a;
  33         result.b = b0.b + b1.b + b2.b + b3.b;
  34         result.c = b0.c + b1.c + b2.c + b3.c;
  35         result.d = b0.d + b1.d + b2.d + b3.d;
  36         result.e = b0.e + b1.e + b2.e + b3.e;
  37         result.f = b0.f + b1.f + b2.f + b3.f;
  38         result.g = b0.g + b1.g + b2.g + b3.g;
  39         result.h = b0.h + b1.h + b2.h + b3.h;
  40         result.i = b0.i + b1.i + b2.i + b3.i;
  41
  42         printf("%g %g %g %g %g %g %g %g %g\n", result.a, result.b, result.c,
  43                 result.d, result.e, result.f, result.g, result.h, result.i);
  44
  45         return result;
  46 }
  47
  48 static void
  49 cls_struct_72byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args, void* userdata __UNUSED__)
  50 {
  51         struct_72byte   b0, b1, b2, b3;
  52
  53         b0 = *(struct_72byte*)(args[0]);
  54         b1 = *(struct_72byte*)(args[1]);
  55         b2 = *(struct_72byte*)(args[2]);
  56         b3 = *(struct_72byte*)(args[3]);
  57
  58         *(struct_72byte*)resp = cls_struct_72byte_fn(b0, b1, b2, b3);
  59 }
  60
  61 int main (void)
  62 {
  63         ffi_cif cif;
  64         void *code;
  65         ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
  66         void* args_dbl[5];
  67         ffi_type* cls_struct_fields[10];
  68         ffi_type cls_struct_type;
  69         ffi_type* dbl_arg_types[5];
  70
  71         struct_72byte e_dbl = { 9.0, 2.0, 6.0, 5.0, 3.0, 4.0, 8.0, 1.0, 7.0 };
  72         struct_72byte f_dbl = { 1.0, 2.0, 3.0, 7.0, 2.0, 5.0, 6.0, 7.0, 4.0 };
  73         struct_72byte g_dbl = { 4.0, 5.0, 7.0, 9.0, 1.0, 1.0, 2.0, 9.0, 3.0 };
  74         struct_72byte h_dbl = { 8.0, 6.0, 1.0, 4.0, 0.0, 3.0, 3.0, 1.0, 2.0 };
  75         struct_72byte res_dbl;
  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         cls_struct_fields[0] = &ffi_type_double;
  83         cls_struct_fields[1] = &ffi_type_double;
  84         cls_struct_fields[2] = &ffi_type_double;
  85         cls_struct_fields[3] = &ffi_type_double;
  86         cls_struct_fields[4] = &ffi_type_double;
  87         cls_struct_fields[5] = &ffi_type_double;
  88         cls_struct_fields[6] = &ffi_type_double;
  89         cls_struct_fields[7] = &ffi_type_double;
  90         cls_struct_fields[8] = &ffi_type_double;
  91         cls_struct_fields[9] = NULL;
  92
  93         dbl_arg_types[0] = &cls_struct_type;
  94         dbl_arg_types[1] = &cls_struct_type;
  95         dbl_arg_types[2] = &cls_struct_type;
  96         dbl_arg_types[3] = &cls_struct_type;
  97         dbl_arg_types[4] = NULL;
  98
  99         CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4, &cls_struct_type,
 100                 dbl_arg_types) == FFI_OK);
 101
 102         args_dbl[0] = &e_dbl;
 103         args_dbl[1] = &f_dbl;
 104         args_dbl[2] = &g_dbl;
 105         args_dbl[3] = &h_dbl;
 106         args_dbl[4] = NULL;
 107
 108         ffi_call(&cif, FFI_FN(cls_struct_72byte_fn), &res_dbl, args_dbl);
 109         /* { dg-output "22 15 17 25 6 13 19 18 16" } */
 110         printf("res: %g %g %g %g %g %g %g %g %g\n", res_dbl.a, res_dbl.b, res_dbl.c,
 111                 res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g, res_dbl.h, res_dbl.i);
 112         /* { dg-output "\nres: 22 15 17 25 6 13 19 18 16" } */
 113
 114         CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_72byte_gn, NULL, code) == FFI_OK);
 115
 116         res_dbl = ((struct_72byte(*)(struct_72byte, struct_72byte,
 117                 struct_72byte, struct_72byte))(code))(e_dbl, f_dbl, g_dbl, h_dbl);
 118         /* { dg-output "\n22 15 17 25 6 13 19 18 16" } */
 119         printf("res: %g %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, res_dbl.i);
 121         /* { dg-output "\nres: 22 15 17 25 6 13 19 18 16" } */
 122
 123         exit(0);
 124 }