tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef PERF_BUILD_ID_H_
3#define PERF_BUILD_ID_H_ 1
4
5#define BUILD_ID_SIZE 20 /* SHA-1 length in bytes */
6#define BUILD_ID_MIN_SIZE 16 /* MD5/UUID/GUID length in bytes */
7#define SBUILD_ID_SIZE (BUILD_ID_SIZE * 2 + 1)
8#define SBUILD_ID_MIN_SIZE (BUILD_ID_MIN_SIZE * 2 + 1)
9
10#include "machine.h"
11#include "tool.h"
12#include <linux/types.h>
13
14struct build_id {
15 u8 data[BUILD_ID_SIZE];
16 size_t size;
17};
18
19struct dso;
20struct feat_fd;
21struct nsinfo;
22
23void build_id__init(struct build_id *bid, const u8 *data, size_t size);
24int build_id__sprintf(const struct build_id *build_id, char *bf);
25bool build_id__is_defined(const struct build_id *bid);
26int sysfs__sprintf_build_id(const char *root_dir, char *sbuild_id);
27int filename__sprintf_build_id(const char *pathname, char *sbuild_id);
28char *build_id_cache__kallsyms_path(const char *sbuild_id, char *bf,
29 size_t size);
30
31char *dso__build_id_filename(const struct dso *dso, char *bf, size_t size,
32 bool is_debug);
33char *__dso__build_id_filename(const struct dso *dso, char *bf, size_t size,
34 bool is_debug, bool is_kallsyms);
35
36int build_id__mark_dso_hit(const struct perf_tool *tool, union perf_event *event,
37 struct perf_sample *sample, struct evsel *evsel,
38 struct machine *machine);
39
40int perf_event__inject_buildid(const struct perf_tool *tool, union perf_event *event,
41 struct perf_sample *sample, struct evsel *evsel,
42 struct machine *machine);
43
44bool perf_session__read_build_ids(struct perf_session *session, bool with_hits);
45int perf_session__write_buildid_table(struct perf_session *session,
46 struct feat_fd *fd);
47int perf_session__cache_build_ids(struct perf_session *session);
48int __perf_session__cache_build_ids(struct perf_session *session,
49 machine__dso_t fn, void *priv);
50
51char *build_id_cache__origname(const char *sbuild_id);
52char *build_id_cache__linkname(const char *sbuild_id, char *bf, size_t size);
53char *build_id_cache__cachedir(const char *sbuild_id, const char *name,
54 struct nsinfo *nsi, bool is_kallsyms,
55 bool is_vdso);
56
57struct strlist;
58
59struct strlist *build_id_cache__list_all(bool validonly);
60char *build_id_cache__complement(const char *incomplete_sbuild_id);
61int build_id_cache__list_build_ids(const char *pathname, struct nsinfo *nsi,
62 struct strlist **result);
63bool build_id_cache__cached(const char *sbuild_id);
64int build_id_cache__add(const char *sbuild_id, const char *name, const char *realname,
65 struct nsinfo *nsi, bool is_kallsyms, bool is_vdso,
66 const char *proper_name, const char *root_dir);
67int __build_id_cache__add_s(const char *sbuild_id,
68 const char *name, struct nsinfo *nsi,
69 bool is_kallsyms, bool is_vdso,
70 const char *proper_name, const char *root_dir);
71static inline int build_id_cache__add_s(const char *sbuild_id,
72 const char *name, struct nsinfo *nsi,
73 bool is_kallsyms, bool is_vdso)
74{
75 return __build_id_cache__add_s(sbuild_id, name, nsi, is_kallsyms, is_vdso, NULL, NULL);
76}
77int build_id_cache__remove_s(const char *sbuild_id);
78
79extern char buildid_dir[];
80
81void set_buildid_dir(const char *dir);
82void disable_buildid_cache(void);
83
84#endif