1  /*	Area:			ffi_call, closure_call
       2  	Purpose:		Check structure alignment of long double.
       3  	Limitations:	none.
       4  	PR:				none.
       5  	Originator:		Blake Chaffin	6/18/2007
       6  */
       7  
       8  /* { dg-do run { xfail strongarm*-*-* } } */
       9  /* { dg-options -mlong-double-128 { target powerpc64*-*-linux* } } */
      10  
      11  #include "ffitest.h"
      12  
      13  typedef struct cls_struct_align {
      14    long double a;
      15    long double b;
      16    long double c;
      17    long double d;
      18    long double e;
      19    double f;
      20    long double g;
      21  } cls_struct_align;
      22  
      23  static cls_struct_align cls_struct_align_fn(
      24  	cls_struct_align	a1,
      25  	cls_struct_align	a2)
      26  {
      27  	struct cls_struct_align r;
      28  
      29  	r.a = a1.a + a2.a;
      30  	r.b = a1.b + a2.b;
      31  	r.c = a1.c + a2.c;
      32  	r.d = a1.d + a2.d;
      33  	r.e = a1.e + a2.e;
      34  	r.f = a1.f + a2.f;
      35  	r.g = a1.g + a2.g;
      36  
      37  	printf("%Lg %Lg %Lg %Lg %Lg %g %Lg %Lg %Lg %Lg %Lg %Lg %g %Lg: "
      38  		"%Lg %Lg %Lg %Lg %Lg %g %Lg\n",
      39  		a1.a, a1.b, a1.c, a1.d, a1.e, a1.f, a1.g,
      40  		a2.a, a2.b, a2.c, a2.d, a2.e, a2.f, a2.g,
      41  		r.a, r.b, r.c, r.d, r.e, r.f, r.g);
      42  
      43  	return r;
      44  }
      45  
      46  static void
      47  cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args, 
      48  		    void* userdata __UNUSED__)
      49  {
      50  	struct cls_struct_align a1, a2;
      51  
      52  	a1 = *(struct cls_struct_align*)(args[0]);
      53  	a2 = *(struct cls_struct_align*)(args[1]);
      54  
      55  	*(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
      56  }
      57  
      58  int main (void)
      59  {
      60  	ffi_cif cif;
      61          void *code;
      62  	ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
      63  	void* args_dbl[3];
      64  	ffi_type* cls_struct_fields[8];
      65  	ffi_type cls_struct_type;
      66  	ffi_type* dbl_arg_types[3];
      67  
      68  	struct cls_struct_align g_dbl = { 1, 2, 3, 4, 5, 6, 7 };
      69  	struct cls_struct_align f_dbl = { 8, 9, 10, 11, 12, 13, 14 };
      70  	struct cls_struct_align res_dbl;
      71  
      72  	cls_struct_type.size = 0;
      73  	cls_struct_type.alignment = 0;
      74  	cls_struct_type.type = FFI_TYPE_STRUCT;
      75  	cls_struct_type.elements = cls_struct_fields;
      76  
      77  	cls_struct_fields[0] = &ffi_type_longdouble;
      78  	cls_struct_fields[1] = &ffi_type_longdouble;
      79  	cls_struct_fields[2] = &ffi_type_longdouble;
      80  	cls_struct_fields[3] = &ffi_type_longdouble;
      81  	cls_struct_fields[4] = &ffi_type_longdouble;
      82  	cls_struct_fields[5] = &ffi_type_double;
      83  	cls_struct_fields[6] = &ffi_type_longdouble;
      84  	cls_struct_fields[7] = NULL;
      85  
      86  	dbl_arg_types[0] = &cls_struct_type;
      87  	dbl_arg_types[1] = &cls_struct_type;
      88  	dbl_arg_types[2] = NULL;
      89  
      90  	CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
      91  		dbl_arg_types) == FFI_OK);
      92  
      93  	args_dbl[0] = &g_dbl;
      94  	args_dbl[1] = &f_dbl;
      95  	args_dbl[2] = NULL;
      96  
      97  	ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
      98  	/* { dg-output "1 2 3 4 5 6 7 8 9 10 11 12 13 14: 9 11 13 15 17 19 21" } */
      99  	printf("res: %Lg %Lg %Lg %Lg %Lg %g %Lg\n", res_dbl.a, res_dbl.b,
     100  		res_dbl.c, res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g);
     101  	/* { dg-output "\nres: 9 11 13 15 17 19 21" } */
     102  
     103  	CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK);
     104  
     105  	res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl);
     106  	/* { dg-output "\n1 2 3 4 5 6 7 8 9 10 11 12 13 14: 9 11 13 15 17 19 21" } */
     107  	printf("res: %Lg %Lg %Lg %Lg %Lg %g %Lg\n", res_dbl.a, res_dbl.b,
     108  		res_dbl.c, res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g);
     109  	/* { dg-output "\nres: 9 11 13 15 17 19 21" } */
     110  
     111    exit(0);
     112  }
     113  
     114  
     115