C++ (Cpp) FFI_INIT_TRAMPOLINE Examples

Example #1

File: ffi.c Project: alex/libffi

ffi_status
ffi_prep_raw_closure_loc (ffi_raw_closure* closure,
                          ffi_cif* cif,
                          void (*fun)(ffi_cif*,void*,ffi_raw*,void*),
                          void *user_data,
                          void *codeloc)
{
  int i;

  if (cif->abi != FFI_SYSV) {
#ifdef X86_WIN32
    if (cif->abi != FFI_THISCALL)
#endif
    return FFI_BAD_ABI;
  }

  /* we currently don't support certain kinds of arguments for raw
     closures.  This should be implemented by a separate assembly
     language routine, since it would require argument processing,
     something we don't do now for performance.  */

  for (i = cif->nargs-1; i >= 0; i--)
    {
      FFI_ASSERT (cif->arg_types[i]->type != FFI_TYPE_STRUCT);
      FFI_ASSERT (cif->arg_types[i]->type != FFI_TYPE_LONGDOUBLE);
    }
  
#ifdef X86_WIN32
  if (cif->abi == FFI_SYSV)
    {
#endif
  FFI_INIT_TRAMPOLINE (&closure->tramp[0], &ffi_closure_raw_SYSV,
                       codeloc);
#ifdef X86_WIN32
    }
  else if (cif->abi == FFI_THISCALL)
    {
      FFI_INIT_TRAMPOLINE_THISCALL (&closure->tramp[0], &ffi_closure_raw_THISCALL,
				    codeloc, cif->bytes);
    }
#endif
  closure->cif  = cif;
  closure->user_data = user_data;
  closure->fun  = fun;

  return FFI_OK;
}

Example #2

File: ffi.c Project: 3l13/APE_Server

ffi_status
ffi_prep_closure_loc (ffi_closure* closure,
                      ffi_cif* cif,
                      void (*fun)(ffi_cif*,void*,void**,void*),
                      void *user_data,
                      void *codeloc)
{
#ifdef X86_WIN64
#define ISFLOAT(IDX) (cif->arg_types[IDX]->type == FFI_TYPE_FLOAT || cif->arg_types[IDX]->type == FFI_TYPE_DOUBLE)
#define FLAG(IDX) (cif->nargs>(IDX)&&ISFLOAT(IDX)?(1<<(IDX)):0)
  if (cif->abi == FFI_WIN64) 
    {
      int mask = FLAG(0)|FLAG(1)|FLAG(2)|FLAG(3);
      FFI_INIT_TRAMPOLINE_WIN64 (&closure->tramp[0],
                                 &ffi_closure_win64,
                                 codeloc, mask);
      /* make sure we can execute here */
    }
#else
  if (cif->abi == FFI_SYSV)
    {
      FFI_INIT_TRAMPOLINE (&closure->tramp[0],
                           &ffi_closure_SYSV,
                           (void*)codeloc);
    }
#ifdef X86_WIN32
  else if (cif->abi == FFI_STDCALL)
    {
      FFI_INIT_TRAMPOLINE_STDCALL (&closure->tramp[0],
                                   &ffi_closure_STDCALL,
                                   (void*)codeloc, cif->bytes);
    }
#endif /* X86_WIN32 */
#endif /* !X86_WIN64 */
  else
    {
      return FFI_BAD_ABI;
    }
    
  closure->cif  = cif;
  closure->user_data = user_data;
  closure->fun  = fun;

  return FFI_OK;
}

Example #3

File: ffi.c Project: adamherzog/p5-FFI-Raw

ffi_status
ffi_prep_closure_loc (ffi_closure* closure,
                      ffi_cif* cif,
                      void (*fun)(ffi_cif*,void*,void**,void*),
                      void *user_data,
                      void *codeloc)
{
  if (cif->abi != FFI_SYSV)
    return FFI_BAD_ABI;

  FFI_INIT_TRAMPOLINE (&closure->tramp[0], &ffi_closure_SYSV, codeloc,
		       cif->aarch64_flags);

  closure->cif  = cif;
  closure->user_data = user_data;
  closure->fun  = fun;

  return FFI_OK;
}