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 nsinfo;
20
21extern struct perf_tool build_id__mark_dso_hit_ops;
22struct dso;
23struct feat_fd;
24
25void build_id__init(struct build_id *bid, const u8 *data, size_t size);
26int build_id__sprintf(const struct build_id *build_id, char *bf);
27bool build_id__is_defined(const struct build_id *bid);
28int sysfs__sprintf_build_id(const char *root_dir, char *sbuild_id);
29int filename__sprintf_build_id(const char *pathname, char *sbuild_id);
30char *build_id_cache__kallsyms_path(const char *sbuild_id, char *bf,
31 size_t size);
32
33char *dso__build_id_filename(const struct dso *dso, char *bf, size_t size,
34 bool is_debug);
35char *__dso__build_id_filename(const struct dso *dso, char *bf, size_t size,
36 bool is_debug, bool is_kallsyms);
37
38int build_id__mark_dso_hit(struct perf_tool *tool, union perf_event *event,
39 struct perf_sample *sample, struct evsel *evsel,
40 struct machine *machine);
41
42int perf_event__inject_buildid(struct perf_tool *tool, union perf_event *event,
43 struct perf_sample *sample, struct evsel *evsel,
44 struct machine *machine);
45
46bool perf_session__read_build_ids(struct perf_session *session, bool with_hits);
47int perf_session__write_buildid_table(struct perf_session *session,
48 struct feat_fd *fd);
49int perf_session__cache_build_ids(struct perf_session *session);
50int __perf_session__cache_build_ids(struct perf_session *session,
51 machine__dso_t fn, void *priv);
52
53char *build_id_cache__origname(const char *sbuild_id);
54char *build_id_cache__linkname(const char *sbuild_id, char *bf, size_t size);
55char *build_id_cache__cachedir(const char *sbuild_id, const char *name,
56 struct nsinfo *nsi, bool is_kallsyms,
57 bool is_vdso);
58
59struct strlist;
60
61struct strlist *build_id_cache__list_all(bool validonly);
62char *build_id_cache__complement(const char *incomplete_sbuild_id);
63int build_id_cache__list_build_ids(const char *pathname, struct nsinfo *nsi,
64 struct strlist **result);
65bool build_id_cache__cached(const char *sbuild_id);
66int build_id_cache__add(const char *sbuild_id, const char *name, const char *realname,
67 struct nsinfo *nsi, bool is_kallsyms, bool is_vdso,
68 const char *proper_name, const char *root_dir);
69int __build_id_cache__add_s(const char *sbuild_id,
70 const char *name, struct nsinfo *nsi,
71 bool is_kallsyms, bool is_vdso,
72 const char *proper_name, const char *root_dir);
73static inline int build_id_cache__add_s(const char *sbuild_id,
74 const char *name, struct nsinfo *nsi,
75 bool is_kallsyms, bool is_vdso)
76{
77 return __build_id_cache__add_s(sbuild_id, name, nsi, is_kallsyms, is_vdso, NULL, NULL);
78}
79int build_id_cache__remove_s(const char *sbuild_id);
80
81extern char buildid_dir[];
82
83void set_buildid_dir(const char *dir);
84void disable_buildid_cache(void);
85
86#endif