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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libffi/] [testsuite/] [libffi.call/] [cls_2byte.c] - Blame information for rev 732

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Line No. Rev Author Line
1 732 jeremybenn
/* Area:        ffi_call, closure_call
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   Purpose:     Check structure passing with different structure size.
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                Especially with small structures which may fit in one
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                register. Depending on the ABI.
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   Limitations: none.
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   PR:          none.
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   Originator:  <andreast@gcc.gnu.org> 20030828  */
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/* { dg-do run } */
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#include "ffitest.h"
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typedef struct cls_struct_2byte {
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  unsigned char a;
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  unsigned char b;
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} cls_struct_2byte;
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cls_struct_2byte cls_struct_2byte_fn(struct cls_struct_2byte a1,
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                            struct cls_struct_2byte a2)
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{
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  struct cls_struct_2byte result;
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  result.a = a1.a + a2.a;
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  result.b = a1.b + a2.b;
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  printf("%d %d %d %d: %d %d\n", a1.a, a1.b, a2.a, a2.b, result.a, result.b);
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  return  result;
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}
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static void
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cls_struct_2byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
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                    void* userdata __UNUSED__)
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{
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  struct cls_struct_2byte a1, a2;
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  a1 = *(struct cls_struct_2byte*)(args[0]);
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  a2 = *(struct cls_struct_2byte*)(args[1]);
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  *(cls_struct_2byte*)resp = cls_struct_2byte_fn(a1, a2);
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}
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int main (void)
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{
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  ffi_cif cif;
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  void *code;
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  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
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  void* args_dbl[5];
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  ffi_type* cls_struct_fields[4];
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  ffi_type cls_struct_type;
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  ffi_type* dbl_arg_types[5];
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  cls_struct_type.size = 0;
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  cls_struct_type.alignment = 0;
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  cls_struct_type.type = FFI_TYPE_STRUCT;
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  cls_struct_type.elements = cls_struct_fields;
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  struct cls_struct_2byte g_dbl = { 12, 127 };
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  struct cls_struct_2byte f_dbl = { 1, 13 };
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  struct cls_struct_2byte res_dbl;
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  cls_struct_fields[0] = &ffi_type_uchar;
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  cls_struct_fields[1] = &ffi_type_uchar;
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  cls_struct_fields[2] = NULL;
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  dbl_arg_types[0] = &cls_struct_type;
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  dbl_arg_types[1] = &cls_struct_type;
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  dbl_arg_types[2] = NULL;
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  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
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                     dbl_arg_types) == FFI_OK);
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  args_dbl[0] = &g_dbl;
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  args_dbl[1] = &f_dbl;
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  args_dbl[2] = NULL;
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  ffi_call(&cif, FFI_FN(cls_struct_2byte_fn), &res_dbl, args_dbl);
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  /* { dg-output "12 127 1 13: 13 140" } */
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  printf("res: %d %d\n", res_dbl.a, res_dbl.b);
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  /* { dg-output "\nres: 13 140" } */
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  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_2byte_gn, NULL, code) == FFI_OK);
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  res_dbl = ((cls_struct_2byte(*)(cls_struct_2byte, cls_struct_2byte))(code))(g_dbl, f_dbl);
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  /* { dg-output "\n12 127 1 13: 13 140" } */
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  printf("res: %d %d\n", res_dbl.a, res_dbl.b);
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  /* { dg-output "\nres: 13 140" } */
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  exit(0);
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}

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