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python3.2  3.2.2
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cls_20byte.c File Reference
#include "ffitest.h"

Go to the source code of this file.

Classes

struct  cls_struct_20byte

Typedefs

typedef struct cls_struct_20byte cls_struct_20byte

Functions

cls_struct_20byte cls_struct_20byte_fn (struct cls_struct_20byte a1, struct cls_struct_20byte a2)
static void cls_struct_20byte_gn (ffi_cif *cif __UNUSED__, void *resp, void **args, void *userdata __UNUSED__)
int main (void)

Class Documentation

struct cls_struct_20byte

Definition at line 11 of file cls_20byte.c.

Class Members
double a
int a
double b
int c
double c

Typedef Documentation


Function Documentation

Definition at line 17 of file cls_20byte.c.

{
  struct cls_struct_20byte result;

  result.a = a1.a + a2.a;
  result.b = a1.b + a2.b;
  result.c = a1.c + a2.c;

  printf("%g %g %d %g %g %d: %g %g %d\n", a1.a, a1.b, a1.c, a2.a, a2.b, a2.c,
        result.a, result.b, result.c);
  return result;
}

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static void cls_struct_20byte_gn ( ffi_cif *cif  __UNUSED__,
void resp,
void **  args,
void *userdata  __UNUSED__ 
) [static]

Definition at line 32 of file cls_20byte.c.

{
  struct cls_struct_20byte a1, a2;

  a1 = *(struct cls_struct_20byte*)(args[0]);
  a2 = *(struct cls_struct_20byte*)(args[1]);

  *(cls_struct_20byte*)resp = cls_struct_20byte_fn(a1, a2);
}

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int main ( void  )

Definition at line 43 of file cls_20byte.c.

{
  ffi_cif cif;
  void *code;
  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
  void* args_dbl[5];
  ffi_type* cls_struct_fields[4];
  ffi_type cls_struct_type;
  ffi_type* dbl_arg_types[5];

  cls_struct_type.size = 0;
  cls_struct_type.alignment = 0;
  cls_struct_type.type = FFI_TYPE_STRUCT;
  cls_struct_type.elements = cls_struct_fields;

  struct cls_struct_20byte g_dbl = { 1.0, 2.0, 3 };
  struct cls_struct_20byte f_dbl = { 4.0, 5.0, 7 };
  struct cls_struct_20byte res_dbl;

  cls_struct_fields[0] = &ffi_type_double;
  cls_struct_fields[1] = &ffi_type_double;
  cls_struct_fields[2] = &ffi_type_sint;
  cls_struct_fields[3] = NULL;

  dbl_arg_types[0] = &cls_struct_type;
  dbl_arg_types[1] = &cls_struct_type;
  dbl_arg_types[2] = NULL;

  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
                   dbl_arg_types) == FFI_OK);

  args_dbl[0] = &g_dbl;
  args_dbl[1] = &f_dbl;
  args_dbl[2] = NULL;

  ffi_call(&cif, FFI_FN(cls_struct_20byte_fn), &res_dbl, args_dbl);
  /* { dg-output "1 2 3 4 5 7: 5 7 10" } */
  printf("res: %g %g %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
  /* { dg-output "\nres: 5 7 10" } */

  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_20byte_gn, NULL, code) == FFI_OK);

  res_dbl = ((cls_struct_20byte(*)(cls_struct_20byte, cls_struct_20byte))(code))(g_dbl, f_dbl);
  /* { dg-output "\n1 2 3 4 5 7: 5 7 10" } */
  printf("res: %g %g %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
  /* { dg-output "\nres: 5 7 10" } */

  exit(0);
}

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