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#include <ctf-api.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int
main (int argc, char *argv[])
{
ctf_dict_t *fp;
ctf_archive_t *ctf;
ctf_id_t foo_type, bar_type, sym_type;
int found_foo = 0, found_bar = 0;
ctf_next_t *i = NULL;
const char *name;
int err;
if (argc != 2)
{
fprintf (stderr, "Syntax: %s PROGRAM\n", argv[0]);
exit(1);
}
if ((ctf = ctf_open (argv[1], NULL, &err)) == NULL)
goto open_err;
if ((fp = ctf_dict_open (ctf, NULL, &err)) == NULL)
goto open_err;
/* Make sure we can look up both 'foo' and 'bar' as variables, even though one
of them is nonstatic: in a full link this should be erased, but this is an
ld -r link. */
if ((foo_type = ctf_lookup_variable (fp, "foo")) == CTF_ERR)
printf ("Cannot look up foo\n", ctf_errmsg (ctf_errno (fp)));
else
printf ("foo is of type %lx\n", foo_type);
if ((bar_type = ctf_lookup_variable (fp, "bar")) == CTF_ERR)
printf ("Cannot look up bar\n", ctf_errmsg (ctf_errno (fp)));
else
printf ("bar is of type %lx\n", bar_type);
/* Traverse the entire data object section and make sure it contains entries
for both foo and bar. (This is pure laziness: the section is small and
ctf_lookup_by_symbol_name does not yet exist.) */
while ((sym_type = ctf_symbol_next (fp, &i, &name, 0)) != CTF_ERR)
{
if (!name)
continue;
if (strcmp (name, "foo") == 0)
found_foo = 1;
if (strcmp (name, "bar") == 0)
found_bar = 1;
}
if (ctf_errno (fp) != ECTF_NEXT_END)
fprintf (stderr, "Unexpected error iterating over symbols: %s\n",
ctf_errmsg (ctf_errno (fp)));
if (!found_foo)
printf ("foo missing from the data object section\n");
if (!found_bar)
printf ("bar missing from the data object section\n");
ctf_dict_close (fp);
ctf_close (ctf);
return 0;
open_err:
fprintf (stderr, "%s: cannot open: %s\n", argv[0], ctf_errmsg (err));
return 1;
}
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