cls_multi_sshort.c

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/* Area:        ffi_call, closure_call
   Purpose:     Check passing of multiple signed short values.
   Limitations: none.
   PR:          PR13221.
   Originator:  <andreast@gcc.gnu.org> 20031129  */
 
/* { dg-do run } */
#include "ffitest.h"
 
signed short test_func_fn(signed short a1, signed short a2)
{
  signed short result;
 
  result = a1 + a2;
 
  printf("%d %d: %d\n", a1, a2, result);
 
  return result;
 
}
 
static void test_func_gn(ffi_cif *cif __UNUSED__, void *rval, void **avals,
                         void *data __UNUSED__)
{
  signed short a1, a2;
 
  a1 = *(signed short *)avals[0];
  a2 = *(signed short *)avals[1];
 
  *(ffi_arg *)rval = test_func_fn(a1, a2);
 
}
 
typedef signed short (*test_type)(signed short, signed short);
 
int main (void)
{
  ffi_cif cif;
  void *code;
  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
  void * args_dbl[3];
  ffi_type * cl_arg_types[3];
  ffi_arg res_call;
  unsigned short a, b, res_closure;
 
  a = 2;
  b = 32765;
 
  args_dbl[0] = &a;
  args_dbl[1] = &b;
  args_dbl[2] = NULL;
 
  cl_arg_types[0] = &ffi_type_sshort;
  cl_arg_types[1] = &ffi_type_sshort;
  cl_arg_types[2] = NULL;
 
  /* Initialize the cif */
  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2,
                     &ffi_type_sshort, cl_arg_types) == FFI_OK);
 
  ffi_call(&cif, FFI_FN(test_func_fn), &res_call, args_dbl);
  /* { dg-output "2 32765: 32767" } */
  printf("res: %d\n", (unsigned short)res_call);
  /* { dg-output "\nres: 32767" } */
 
  CHECK(ffi_prep_closure_loc(pcl, &cif, test_func_gn, NULL, code)  == FFI_OK);
 
  res_closure = (*((test_type)code))(2, 32765);
  /* { dg-output "\n2 32765: 32767" } */
  printf("res: %d\n", res_closure);
  /* { dg-output "\nres: 32767" } */
 
  exit(0);
}