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python3.2  3.2.2
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cls_24byte.c File Reference
#include "ffitest.h"

Go to the source code of this file.

Classes

struct  cls_struct_24byte

Typedefs

typedef struct cls_struct_24byte cls_struct_24byte

Functions

cls_struct_24byte cls_struct_24byte_fn (struct cls_struct_24byte b0, struct cls_struct_24byte b1, struct cls_struct_24byte b2, struct cls_struct_24byte b3)
static void cls_struct_24byte_gn (ffi_cif *cif __UNUSED__, void *resp, void **args, void *userdata __UNUSED__)
int main (void)

Class Documentation

struct cls_struct_24byte

Definition at line 11 of file cls_24byte.c.

Class Members
double a
double b
int c
float d

Typedef Documentation


Function Documentation

Definition at line 18 of file cls_24byte.c.

{
  struct cls_struct_24byte result;

  result.a = b0.a + b1.a + b2.a + b3.a;
  result.b = b0.b + b1.b + b2.b + b3.b;
  result.c = b0.c + b1.c + b2.c + b3.c;
  result.d = b0.d + b1.d + b2.d + b3.d;

  printf("%g %g %d %g %g %g %d %g %g %g %d %g %g %g %d %g: %g %g %d %g\n",
        b0.a, b0.b, b0.c, b0.d,
        b1.a, b1.b, b1.c, b1.d,
        b2.a, b2.b, b2.c, b2.d,
        b3.a, b3.b, b3.c, b2.d,
        result.a, result.b, result.c, result.d);

  return result;
}

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static void cls_struct_24byte_gn ( ffi_cif *cif  __UNUSED__,
void resp,
void **  args,
void *userdata  __UNUSED__ 
) [static]

Definition at line 41 of file cls_24byte.c.

{
  struct cls_struct_24byte b0, b1, b2, b3;

  b0 = *(struct cls_struct_24byte*)(args[0]);
  b1 = *(struct cls_struct_24byte*)(args[1]);
  b2 = *(struct cls_struct_24byte*)(args[2]);
  b3 = *(struct cls_struct_24byte*)(args[3]);

  *(cls_struct_24byte*)resp = cls_struct_24byte_fn(b0, b1, b2, b3);
}

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int main ( void  )

Definition at line 54 of file cls_24byte.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[5];
  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_24byte e_dbl = { 9.0, 2.0, 6, 5.0 };
  struct cls_struct_24byte f_dbl = { 1.0, 2.0, 3, 7.0 };
  struct cls_struct_24byte g_dbl = { 4.0, 5.0, 7, 9.0 };
  struct cls_struct_24byte h_dbl = { 8.0, 6.0, 1, 4.0 };
  struct cls_struct_24byte 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] = &ffi_type_float;
  cls_struct_fields[4] = NULL;

  dbl_arg_types[0] = &cls_struct_type;
  dbl_arg_types[1] = &cls_struct_type;
  dbl_arg_types[2] = &cls_struct_type;
  dbl_arg_types[3] = &cls_struct_type;
  dbl_arg_types[4] = NULL;

  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4, &cls_struct_type,
                   dbl_arg_types) == FFI_OK);

  args_dbl[0] = &e_dbl;
  args_dbl[1] = &f_dbl;
  args_dbl[2] = &g_dbl;
  args_dbl[3] = &h_dbl;
  args_dbl[4] = NULL;

  ffi_call(&cif, FFI_FN(cls_struct_24byte_fn), &res_dbl, args_dbl);
  /* { dg-output "9 2 6 5 1 2 3 7 4 5 7 9 8 6 1 9: 22 15 17 25" } */
  printf("res: %g %g %d %g\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d);
  /* { dg-output "\nres: 22 15 17 25" } */

  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_24byte_gn, NULL, code) == FFI_OK);

  res_dbl = ((cls_struct_24byte(*)(cls_struct_24byte,
                               cls_struct_24byte,
                               cls_struct_24byte,
                               cls_struct_24byte))
            (code))(e_dbl, f_dbl, g_dbl, h_dbl);
  /* { dg-output "\n9 2 6 5 1 2 3 7 4 5 7 9 8 6 1 9: 22 15 17 25" } */
  printf("res: %g %g %d %g\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d);
  /* { dg-output "\nres: 22 15 17 25" } */

  exit(0);
}

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