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python3.2  3.2.2
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cls_64byte.c File Reference
#include "ffitest.h"

Go to the source code of this file.

Classes

struct  cls_struct_64byte

Typedefs

typedef struct cls_struct_64byte cls_struct_64byte

Functions

cls_struct_64byte cls_struct_64byte_fn (struct cls_struct_64byte b0, struct cls_struct_64byte b1, struct cls_struct_64byte b2, struct cls_struct_64byte b3)
static void cls_struct_64byte_gn (ffi_cif *cif __UNUSED__, void *resp, void **args, void *userdata __UNUSED__)
int main (void)

Class Documentation

struct cls_struct_64byte

Definition at line 12 of file cls_64byte.c.

Class Members
double a
double b
double c
double d
double e
double f
double g
double h

Typedef Documentation


Function Documentation

Definition at line 23 of file cls_64byte.c.

{
  struct cls_struct_64byte 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;
  result.e = b0.e + b1.e + b2.e + b3.e;
  result.f = b0.f + b1.f + b2.f + b3.f;
  result.g = b0.g + b1.g + b2.g + b3.g;
  result.h = b0.h + b1.h + b2.h + b3.h;

  printf("%g %g %g %g %g %g %g %g\n", result.a, result.b, result.c,
        result.d, result.e, result.f, result.g, result.h);

  return result;
}

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static void cls_struct_64byte_gn ( ffi_cif *cif  __UNUSED__,
void resp,
void **  args,
void *userdata  __UNUSED__ 
) [static]

Definition at line 46 of file cls_64byte.c.

{
  struct cls_struct_64byte b0, b1, b2, b3;

  b0 = *(struct cls_struct_64byte*)(args[0]);
  b1 = *(struct cls_struct_64byte*)(args[1]);
  b2 = *(struct cls_struct_64byte*)(args[2]);
  b3 = *(struct cls_struct_64byte*)(args[3]);

  *(cls_struct_64byte*)resp = cls_struct_64byte_fn(b0, b1, b2, b3);
}

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int main ( void  )

Definition at line 59 of file cls_64byte.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[9];
  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_64byte e_dbl = { 9.0, 2.0, 6.0, 5.0, 3.0, 4.0, 8.0, 1.0 };
  struct cls_struct_64byte f_dbl = { 1.0, 2.0, 3.0, 7.0, 2.0, 5.0, 6.0, 7.0 };
  struct cls_struct_64byte g_dbl = { 4.0, 5.0, 7.0, 9.0, 1.0, 1.0, 2.0, 9.0 };
  struct cls_struct_64byte h_dbl = { 8.0, 6.0, 1.0, 4.0, 0.0, 3.0, 3.0, 1.0 };
  struct cls_struct_64byte res_dbl;

  cls_struct_fields[0] = &ffi_type_double;
  cls_struct_fields[1] = &ffi_type_double;
  cls_struct_fields[2] = &ffi_type_double;
  cls_struct_fields[3] = &ffi_type_double;
  cls_struct_fields[4] = &ffi_type_double;
  cls_struct_fields[5] = &ffi_type_double;
  cls_struct_fields[6] = &ffi_type_double;
  cls_struct_fields[7] = &ffi_type_double;
  cls_struct_fields[8] = 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_64byte_fn), &res_dbl, args_dbl);
  /* { dg-output "22 15 17 25 6 13 19 18" } */
  printf("res: %g %g %g %g %g %g %g %g\n", res_dbl.a, res_dbl.b, res_dbl.c,
        res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g, res_dbl.h);
  /* { dg-output "\nres: 22 15 17 25 6 13 19 18" } */

  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_64byte_gn, NULL, code) == FFI_OK);

  res_dbl = ((cls_struct_64byte(*)(cls_struct_64byte,
                               cls_struct_64byte,
                               cls_struct_64byte,
                               cls_struct_64byte))
            (code))(e_dbl, f_dbl, g_dbl, h_dbl);
  /* { dg-output "\n22 15 17 25 6 13 19 18" } */
  printf("res: %g %g %g %g %g %g %g %g\n", res_dbl.a, res_dbl.b, res_dbl.c,
        res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g, res_dbl.h);
  /* { dg-output "\nres: 22 15 17 25 6 13 19 18" } */

  exit(0);
}

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