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1 | /* |
2 | * Copyright (C) 2013 Paul Woegerer <paul_woegerer@mentor.com> | |
3 | * | |
4 | * This library is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU Lesser General Public | |
6 | * License as published by the Free Software Foundation; either | |
7 | * version 2.1 of the License, or (at your option) any later version. | |
8 | * | |
9 | * This library is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | * Lesser General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU Lesser General Public | |
15 | * License along with this library; if not, write to the Free Software | |
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
17 | */ | |
18 | ||
19 | #define _GNU_SOURCE | |
20 | #include <dlfcn.h> | |
21 | #include <link.h> | |
22 | ||
23 | #include <sys/types.h> | |
24 | #include <sys/stat.h> | |
25 | #include <sys/stat.h> | |
26 | #include <unistd.h> | |
27 | #include <limits.h> | |
28 | #include <stdlib.h> | |
29 | #include <errno.h> | |
30 | #include <stdint.h> | |
31 | #include <stddef.h> | |
32 | #include <stdio.h> | |
33 | #include "usterr.h" | |
34 | ||
35 | #define TRACEPOINT_DEFINE | |
36 | #include "ust_baddr.h" | |
37 | ||
38 | int | |
39 | lttng_ust_push_baddr(void *so_base, const char *so_name) | |
40 | { | |
41 | char resolved_path[PATH_MAX]; | |
42 | struct stat sostat; | |
43 | ||
44 | if (!realpath(so_name, resolved_path)) { | |
45 | ERR("could not resolve path '%s'", so_name); | |
46 | return 0; | |
47 | } | |
48 | ||
49 | if (stat(resolved_path, &sostat)) { | |
50 | ERR("could not access file status for %s", resolved_path); | |
51 | return 0; | |
52 | } | |
53 | ||
54 | tracepoint(ust_baddr, push, | |
55 | so_base, resolved_path, sostat.st_size, sostat.st_mtime); | |
56 | return 0; | |
57 | } | |
58 | ||
59 | int | |
60 | lttng_ust_pop_baddr(void *so_base) | |
61 | { | |
62 | tracepoint(ust_baddr, pop, so_base); | |
63 | return 0; | |
64 | } |