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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libffi/] [testsuite/] [libffi.call/] [cls_align_uint32.c] - Rev 833

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/* Area:	ffi_call, closure_call
   Purpose:	Check structure alignment of uint32.
   Limitations:	none.
   PR:		none.
   Originator:	<hos@tamanegi.org> 20031203	 */
 
/* { dg-do run } */
#include "ffitest.h"
 
typedef struct cls_struct_align {
  unsigned char a;
  unsigned int b;
  unsigned char c;
} cls_struct_align;
 
cls_struct_align cls_struct_align_fn(struct cls_struct_align a1,
			    struct cls_struct_align a2)
{
  struct cls_struct_align result;
 
  result.a = a1.a + a2.a;
  result.b = a1.b + a2.b;
  result.c = a1.c + a2.c;
 
  printf("%d %d %d %d %d %d: %d %d %d\n", a1.a, a1.b, a1.c, a2.a, a2.b, a2.c, result.a, result.b, result.c);
 
  return  result;
}
 
static void
cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
		    void* userdata __UNUSED__)
{
 
  struct cls_struct_align a1, a2;
 
  a1 = *(struct cls_struct_align*)(args[0]);
  a2 = *(struct cls_struct_align*)(args[1]);
 
  *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
}
 
int main (void)
{
  ffi_cif cif;
  void *code;
  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
  void* args_dbl[5];
  ffi_type* cls_struct_fields[4];
  ffi_type cls_struct_type;
  ffi_type* dbl_arg_types[5];
 
  cls_struct_type.size = 0;
  cls_struct_type.alignment = 0;
  cls_struct_type.type = FFI_TYPE_STRUCT;
  cls_struct_type.elements = cls_struct_fields;
 
  struct cls_struct_align g_dbl = { 12, 4951, 127 };
  struct cls_struct_align f_dbl = { 1, 9320, 13 };
  struct cls_struct_align res_dbl;
 
  cls_struct_fields[0] = &ffi_type_uchar;
  cls_struct_fields[1] = &ffi_type_uint;
  cls_struct_fields[2] = &ffi_type_uchar;
  cls_struct_fields[3] = NULL;
 
  dbl_arg_types[0] = &cls_struct_type;
  dbl_arg_types[1] = &cls_struct_type;
  dbl_arg_types[2] = NULL;
 
  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
		     dbl_arg_types) == FFI_OK);
 
  args_dbl[0] = &g_dbl;
  args_dbl[1] = &f_dbl;
  args_dbl[2] = NULL;
 
  ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
  /* { dg-output "12 4951 127 1 9320 13: 13 14271 140" } */
  printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
  /* { dg-output "\nres: 13 14271 140" } */
 
  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK);
 
  res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl);
  /* { dg-output "\n12 4951 127 1 9320 13: 13 14271 140" } */
  printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
  /* { dg-output "\nres: 13 14271 140" } */
 
  exit(0);
}
 

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