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python3.2  3.2.2
Typedefs | Functions
cls_multi_ushortchar.c File Reference
#include "ffitest.h"

Go to the source code of this file.

Typedefs

typedef unsigned short(* test_type )(unsigned char, unsigned short, unsigned char, unsigned short)

Functions

unsigned short test_func_fn (unsigned char a1, unsigned short a2, unsigned char a3, unsigned short a4)
static void test_func_gn (ffi_cif *cif __UNUSED__, void *rval, void **avals, void *data __UNUSED__)
int main (void)

Typedef Documentation

typedef unsigned short(* test_type)(unsigned char, unsigned short, unsigned char, unsigned short)

Definition at line 38 of file cls_multi_ushortchar.c.


Function Documentation

int main ( void  )

Definition at line 41 of file cls_multi_ushortchar.c.

{
  ffi_cif cif;
  void *code;
  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
  void * args_dbl[5];
  ffi_type * cl_arg_types[5];
  ffi_arg res_call;
  unsigned char a, c;
  unsigned short b, d, res_closure;

  a = 1;
  b = 2;
  c = 127;
  d = 128;

  args_dbl[0] = &a;
  args_dbl[1] = &b;
  args_dbl[2] = &c;
  args_dbl[3] = &d;
  args_dbl[4] = NULL;

  cl_arg_types[0] = &ffi_type_uchar;
  cl_arg_types[1] = &ffi_type_ushort;
  cl_arg_types[2] = &ffi_type_uchar;
  cl_arg_types[3] = &ffi_type_ushort;
  cl_arg_types[4] = NULL;

  /* Initialize the cif */
  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4,
                   &ffi_type_ushort, cl_arg_types) == FFI_OK);

  ffi_call(&cif, FFI_FN(test_func_fn), &res_call, args_dbl);
  /* { dg-output "1 2 127 128: 258" } */
  printf("res: %d\n", (unsigned short)res_call);
  /* { dg-output "\nres: 258" } */

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

  res_closure = (*((test_type)code))(1, 2, 127, 128);
  /* { dg-output "\n1 2 127 128: 258" } */
  printf("res: %d\n", res_closure);
  /* { dg-output "\nres: 258" } */

  exit(0);
}

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unsigned short test_func_fn ( unsigned char  a1,
unsigned short  a2,
unsigned char  a3,
unsigned short  a4 
)

Definition at line 10 of file cls_multi_ushortchar.c.

{
  unsigned short result;

  result = a1 + a2 + a3 + a4;

  printf("%d %d %d %d: %d\n", a1, a2, a3, a4, result);

  return result;

}
static void test_func_gn ( ffi_cif *cif  __UNUSED__,
void rval,
void **  avals,
void *data  __UNUSED__ 
) [static]

Definition at line 23 of file cls_multi_ushortchar.c.

{
  unsigned char a1, a3;
  unsigned short a2, a4;

  a1 = *(unsigned char *)avals[0];
  a2 = *(unsigned short *)avals[1];
  a3 = *(unsigned char *)avals[2];
  a4 = *(unsigned short *)avals[3];

  *(ffi_arg *)rval = test_func_fn(a1, a2, a3, a4);

}

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