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python3.2  3.2.2
Classes | Typedefs | Functions
nested_struct9.c File Reference
#include "ffitest.h"

Go to the source code of this file.

Classes

struct  A
struct  B
struct  C

Typedefs

typedef struct A A
typedef struct B B
typedef struct C C

Functions

static B B_fn (struct A b2, struct B b3, struct C b4)
static void B_gn (ffi_cif *cif __UNUSED__, void *resp, void **args, void *userdata __UNUSED__)
int main (void)

Class Documentation

struct A

Definition at line 12 of file nested_struct10.c.

Class Members
unsigned long long a
double a
unsigned char a
long double a
unsigned long a
unsigned char b
unsigned long long b
struct B

Definition at line 17 of file nested_struct10.c.

Class Members
unsigned char y
unsigned int z
struct C

Definition at line 23 of file nested_struct10.c.

Class Members
long d
unsigned long d
unsigned long long d
unsigned char e

Typedef Documentation

typedef struct A A
typedef struct B B
typedef struct C C

Function Documentation

static B B_fn ( struct A  b2,
struct B  b3,
struct C  b4 
) [static]

Definition at line 27 of file nested_struct9.c.

{
  struct B result;

  result.x.a = b2.a + b3.x.a + b4.d;
  result.x.b = b2.b + b3.x.b + b3.y + b4.e;
  result.y = b2.b + b3.x.b + b4.e;

  printf("%d %d %d %d %d %d %d: %d %d %d\n", b2.a, (int)b2.b,
        b3.x.a, (int)b3.x.b, b3.y, (int)b4.d, b4.e,
        result.x.a, (int)result.x.b, result.y);

  return result;
}
static void B_gn ( ffi_cif *cif  __UNUSED__,
void resp,
void **  args,
void *userdata  __UNUSED__ 
) [static]

Definition at line 43 of file nested_struct9.c.

{
  struct A b0;
  struct B b1;
  struct C b2;

  b0 = *(struct A*)(args[0]);
  b1 = *(struct B*)(args[1]);
  b2 = *(struct C*)(args[2]);

  *(B*)resp = B_fn(b0, b1, b2);
}

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int main ( void  )

Definition at line 57 of file nested_struct9.c.

{
  ffi_cif cif;
  void *code;
  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
  void* args_dbl[4];
  ffi_type* cls_struct_fields[3];
  ffi_type* cls_struct_fields1[3];
  ffi_type* cls_struct_fields2[3];
  ffi_type cls_struct_type, cls_struct_type1, cls_struct_type2;
  ffi_type* dbl_arg_types[4];

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

  cls_struct_type1.size = 0;
  cls_struct_type1.alignment = 0;
  cls_struct_type1.type = FFI_TYPE_STRUCT;
  cls_struct_type1.elements = cls_struct_fields1;

  cls_struct_type2.size = 0;
  cls_struct_type2.alignment = 0;
  cls_struct_type2.type = FFI_TYPE_STRUCT;
  cls_struct_type2.elements = cls_struct_fields2;

  struct A e_dbl = { 1, 7LL};
  struct B f_dbl = {{12.0 , 127}, 99};
  struct C g_dbl = { 2, 9};

  struct B res_dbl;

  cls_struct_fields[0] = &ffi_type_uchar;
  cls_struct_fields[1] = &ffi_type_uint64;
  cls_struct_fields[2] = NULL;

  cls_struct_fields1[0] = &cls_struct_type;
  cls_struct_fields1[1] = &ffi_type_uchar;
  cls_struct_fields1[2] = NULL;

  cls_struct_fields2[0] = &ffi_type_ulong;
  cls_struct_fields2[1] = &ffi_type_uchar;
  cls_struct_fields2[2] = NULL;


  dbl_arg_types[0] = &cls_struct_type;
  dbl_arg_types[1] = &cls_struct_type1;
  dbl_arg_types[2] = &cls_struct_type2;
  dbl_arg_types[3] = NULL;

  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3, &cls_struct_type1,
                   dbl_arg_types) == FFI_OK);

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

  ffi_call(&cif, FFI_FN(B_fn), &res_dbl, args_dbl);
  /* { dg-output "1 7 12 127 99 2 9: 15 242 143" } */
  CHECK( res_dbl.x.a == (e_dbl.a + f_dbl.x.a + g_dbl.d));
  CHECK( res_dbl.x.b == (e_dbl.b + f_dbl.x.b + f_dbl.y + g_dbl.e));
  CHECK( res_dbl.y == (e_dbl.b + f_dbl.x.b + g_dbl.e));

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

  res_dbl = ((B(*)(A, B, C))(code))(e_dbl, f_dbl, g_dbl);
  /* { dg-output "\n1 7 12 127 99 2 9: 15 242 143" } */
  CHECK( res_dbl.x.a == (e_dbl.a + f_dbl.x.a + g_dbl.d));
  CHECK( res_dbl.x.b == (e_dbl.b + f_dbl.x.b + f_dbl.y + g_dbl.e));
  CHECK( res_dbl.y == (e_dbl.b + f_dbl.x.b + g_dbl.e));

  exit(0);
}

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