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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libffi/] [testsuite/] [libffi.call/] [many2.c] - Rev 867

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/* Area:        ffi_call
   Purpose:     Check uint8_t arguments.
   Limitations: none.
   PR:          PR45677.
   Originator:  Dan Witte <dwitte@gmail.com> 20100916  */
 
/* { dg-do run } */
 
#include "ffitest.h"
 
#define NARGS 7
 
typedef unsigned char u8;
 
__attribute__((noinline)) uint8_t
foo (uint8_t a, uint8_t b, uint8_t c, uint8_t d,
     uint8_t e, uint8_t f, uint8_t g)
{
  return a + b + c + d + e + f + g;
}
 
uint8_t
bar (uint8_t a, uint8_t b, uint8_t c, uint8_t d,
     uint8_t e, uint8_t f, uint8_t g)
{
  return foo (a, b, c, d, e, f, g);
}
 
int
main (void)
{
  ffi_type *ffitypes[NARGS];
  int i;
  ffi_cif cif;
  ffi_arg result = 0;
  uint8_t args[NARGS];
  void *argptrs[NARGS];
 
  for (i = 0; i < NARGS; ++i)
    ffitypes[i] = &ffi_type_uint8;
 
  CHECK (ffi_prep_cif (&cif, FFI_DEFAULT_ABI, NARGS,
		       &ffi_type_uint8, ffitypes) == FFI_OK);
 
  for (i = 0; i < NARGS; ++i)
    {
      args[i] = i;
      argptrs[i] = &args[i];
    }
  ffi_call (&cif, FFI_FN (bar), &result, argptrs);
 
  CHECK (result == 21);
  return 0;
}
 

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