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#include <ctf-api.h>
#include <stdio.h>
#include <stdlib.h>
int
main (int argc, char *argv[])
{
ctf_dict_t *pfp;
ctf_dict_t *cfp;
ctf_id_t base, base2, ptr, ptr2, type, last_type;
ctf_encoding_t encoding = { CTF_INT_SIGNED, 0, sizeof (int) };
ctf_encoding_t encoding2 = { CTF_INT_SIGNED, 0, sizeof (long) };
char *type_name;
int err;
if ((pfp = ctf_create (&err)) == NULL)
goto create_err;
if ((cfp = ctf_create (&err)) == NULL)
goto create_err;
if (ctf_import (cfp, pfp) < 0)
goto create_child;
/* First, try an int in the parent with a pointer in the child. Also make
another pair of types we will chain to later: these end up before the
pptrtab lazy-update watermark. */
if ((base = ctf_add_integer (pfp, CTF_ADD_ROOT, "int", &encoding)) == CTF_ERR)
goto create_parent;
if ((base2 = ctf_add_integer (pfp, CTF_ADD_ROOT, "long int", &encoding2)) == CTF_ERR)
goto create_parent;
if ((ptr = ctf_add_pointer (cfp, CTF_ADD_ROOT, base)) == CTF_ERR)
goto create_child;
if ((type = ctf_lookup_by_name (cfp, "int *") ) == CTF_ERR)
goto err;
type_name = ctf_type_aname (cfp, type);
printf ("First lookup: %s in the child points to a type of kind %i\n",
type_name, ctf_type_kind (cfp, ctf_type_reference (cfp, type)));
free (type_name);
if (ctf_type_reference (cfp, type) != base)
printf ("First lookup ref diff: %lx versus %lx\n", base,
ctf_type_reference (cfp, type));
last_type = type;
/* Add another pointer to the same type in the parent and try a lookup. */
if ((ptr = ctf_add_pointer (pfp, CTF_ADD_ROOT, base2)) == CTF_ERR)
goto create_parent;
if ((type = ctf_lookup_by_name (cfp, "long int *") ) == CTF_ERR)
goto err;
type_name = ctf_type_aname (cfp, type);
printf ("Second lookup: %s in the child points to a type of kind %i\n",
type_name, ctf_type_kind (cfp, ctf_type_reference (cfp, type)));
free (type_name);
if (ctf_type_reference (cfp, type) != base2)
printf ("Second lookup ref diff: %lx versus %lx\n", base2,
ctf_type_reference (cfp, type));
if (last_type == type)
printf ("Second lookup should not return the same type as the first: %lx\n", type);
last_type = type;
/* Add another pointer to the same type in the child and try a lookup. */
if ((ptr = ctf_add_pointer (cfp, CTF_ADD_ROOT, base2)) == CTF_ERR)
goto create_child;
if ((type = ctf_lookup_by_name (cfp, "long int *") ) == CTF_ERR)
goto err;
type_name = ctf_type_aname (cfp, type);
printf ("Third lookup: %s in the child points to a type of kind %i\n",
type_name, ctf_type_kind (cfp, ctf_type_reference (cfp, type)));
free (type_name);
if (ctf_type_reference (cfp, type) != base2)
printf ("Third lookup ref diff: %lx versus %lx\n", base2,
ctf_type_reference (cfp, type));
if (last_type == type)
printf ("Third lookup should not return the same type as the second: %lx\n", type);
ctf_file_close (cfp);
ctf_file_close (pfp);
return 0;
create_err:
fprintf (stderr, "Creation failed: %s\n", ctf_errmsg (err));
return 1;
create_parent:
fprintf (stderr, "Cannot create type: %s\n", ctf_errmsg (ctf_errno (pfp)));
return 1;
create_child:
fprintf (stderr, "Cannot create type: %s\n", ctf_errmsg (ctf_errno (cfp)));
return 1;
err:
fprintf (stderr, "Lookup failed: %s\n", ctf_errmsg (ctf_errno (cfp)));
return 1;
}
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