kc3-lang/libffi/testsuite/libffi.closures/cls_double.c

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• Hash : 332a539e
  Author :
  Date : 2019-11-22T18:54:30
  

  Move closure tests so we can easily XFAIL them for some targets

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• testsuite/libffi.closures/cls_double.c

• /* Area:	closure_call
     Purpose:	Check return value double.
     Limitations:	none.
     PR:		none.
     Originator:	<andreast@gcc.gnu.org> 20030828	 */
  
  /* { dg-do run } */
  #include "ffitest.h"
  
  static void cls_ret_double_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
  			      void* userdata __UNUSED__)
   {
     *(double *)resp = *(double *)args[0];
  
     printf("%f: %f\n",*(double *)args[0],
  	  *(double *)resp);
   }
  typedef double (*cls_ret_double)(double);
  
  int main (void)
  {
    ffi_cif cif;
    void *code;
    ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
    ffi_type * cl_arg_types[2];
    double res;
  
    cl_arg_types[0] = &ffi_type_double;
    cl_arg_types[1] = NULL;
  
    /* Initialize the cif */
    CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
  		     &ffi_type_double, cl_arg_types) == FFI_OK);
  
    CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_double_fn, NULL, code)  == FFI_OK);
  
    res = (*((cls_ret_double)code))(21474.789);
    /* { dg-output "21474.789000: 21474.789000" } */
    printf("res: %.6f\n", res);
    /* { dg-output "\nres: 21474.789000" } */
  
    exit(0);
  }
  

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