1 #include <ctf-api.h> 2 #include <stdio.h> 3 #include <stdlib.h> 4 #include <string.h> 5 6 int 7 main (int argc, char *argv[]) 8 { 9 ctf_dict_t *fp; 10 ctf_archive_t *ctf; 11 ctf_id_t foo_type, bar_type, sym_type; 12 int found_foo = 0, found_bar = 0; 13 ctf_next_t *i = NULL; 14 const char *name; 15 int err; 16 17 if (argc != 2) 18 { 19 fprintf (stderr, "Syntax: %s PROGRAM\n", argv[0]); 20 exit(1); 21 } 22 23 if ((ctf = ctf_open (argv[1], NULL, &err)) == NULL) 24 goto open_err; 25 26 if ((fp = ctf_dict_open (ctf, NULL, &err)) == NULL) 27 goto open_err; 28 29 /* Make sure we can look up only 'foo' as a variable: bar, being nonstatic, 30 should have been erased. */ 31 32 if ((foo_type = ctf_lookup_variable (fp, "foo")) == CTF_ERR) 33 printf ("Cannot look up foo: %s\n", ctf_errmsg (ctf_errno (fp))); 34 else 35 printf ("foo is of type %lx\n", foo_type); 36 37 if ((bar_type = ctf_lookup_variable (fp, "bar")) == CTF_ERR) 38 printf ("Cannot look up bar: %s\n", ctf_errmsg (ctf_errno (fp))); 39 else 40 printf ("bar is of type %lx\n", bar_type); 41 42 /* Traverse the entire data object section and make sure it contains an entry 43 for bar alone. (This is pure laziness: the section is small and 44 ctf_lookup_by_symbol_name does not yet exist.) */ 45 while ((sym_type = ctf_symbol_next (fp, &i, &name, 0)) != CTF_ERR) 46 { 47 if (!name) 48 continue; 49 50 if (strcmp (name, "foo") == 0) 51 { 52 found_foo = 1; 53 printf ("Found foo in data object section with type %lx, " 54 "but it is static\n", sym_type); 55 } 56 if (strcmp (name, "bar") == 0) 57 found_bar = 1; 58 } 59 if (ctf_errno (fp) != ECTF_NEXT_END) 60 fprintf (stderr, "Unexpected error iterating over symbols: %s\n", 61 ctf_errmsg (ctf_errno (fp))); 62 63 if (!found_foo) 64 printf ("foo missing from the data object section\n"); 65 if (!found_bar) 66 printf ("bar missing from the data object section\n"); 67 68 ctf_dict_close (fp); 69 ctf_close (ctf); 70 71 return 0; 72 73 open_err: 74 fprintf (stderr, "%s: cannot open: %s\n", argv[0], ctf_errmsg (err)); 75 return 1; 76 } 77