1 /*
2  * Copyright (c) 2016 GitHub, Inc.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 #ifndef LIBBCC_PROC_H
17 #define LIBBCC_PROC_H
18 
19 #include "bcc_syms.h"
20 
21 #ifdef __cplusplus
22 extern "C" {
23 #endif
24 
25 #include <stdint.h>
26 #include <stdbool.h>
27 
28 // Module name, start address, end address, file_offset,
29 // whether to check mount namespace, payload
30 // Callback returning a negative value indicates to stop the iteration
31 typedef int (*bcc_procutils_modulecb)(const char *, uint64_t, uint64_t,
32                                       uint64_t, bool, void *);
33 // Symbol name, address, payload
34 typedef void (*bcc_procutils_ksymcb)(const char *, uint64_t, void *);
35 
36 char *bcc_procutils_which_so(const char *libname, int pid);
37 char *bcc_procutils_which(const char *binpath);
38 int bcc_mapping_is_file_backed(const char *mapname);
39 // Iterate over all executable memory mapping sections of a Process.
40 // All anonymous and non-file-backed mapping sections, namely those
41 // listed in bcc_mapping_is_file_backed, will be ignored.
42 // Returns -1 on error, and 0 on success
43 int bcc_procutils_each_module(int pid, bcc_procutils_modulecb callback,
44                               void *payload);
45 // Iterate over all non-data Kernel symbols.
46 // Returns -1 on error, and 0 on success
47 int bcc_procutils_each_ksym(bcc_procutils_ksymcb callback, void *payload);
48 void bcc_procutils_free(const char *ptr);
49 const char *bcc_procutils_language(int pid);
50 
51 #ifdef __cplusplus
52 }
53 #endif
54 #endif
55