#include #include #include int main (int argc, char *argv[]) { ctf_dict_t *fp; ctf_archive_t *ctf; ctf_dict_t *dyn; ctf_id_t type; ctf_id_t newtype; ctf_membinfo_t mi; const char *membs[] = { "bar", "baz", "foo", NULL }; const char **walk; 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; if ((dyn = ctf_create (&err)) == NULL) goto create_err; /* Copy 'struct foo' into the dynamic dict, then make sure we can look up a member situated inside an unnamed struct. */ if ((type = ctf_lookup_by_name (fp, "struct foo")) == CTF_ERR) { fprintf (stderr, "Cannot look up struct foo: %s\n", ctf_errmsg (ctf_errno (dyn))); return 1; } if ((newtype = ctf_add_type (dyn, fp, type)) == CTF_ERR) goto copy_err; for (walk = membs; *walk != NULL; walk++) { if (ctf_member_info (dyn, newtype, *walk, &mi) < 0) goto lookup_err; printf ("Looked up %s, type %lx, offset %lx\n", *walk, (long) mi.ctm_type, mi.ctm_offset); } ctf_dict_close (dyn); 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; create_err: fprintf (stderr, "%s: cannot create: %s\n", argv[0], ctf_errmsg (err)); return 1; copy_err: fprintf (stderr, "Type addition failed: %s\n", ctf_errmsg (ctf_errno (dyn))); return 1; lookup_err: fprintf (stderr, "Cannot look up %s: %s\n", *walk, ctf_errmsg (ctf_errno (dyn))); return 1; }