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 14 struct build_id { 15 u8 data[BUILD_ID_SIZE]; 16 u8 size; 17 }; 18 19 struct dso; 20 struct feat_fd; 21 struct nsinfo; 22 23 void build_id__init(struct build_id *bid, const u8 *data, size_t size); 24 int build_id__snprintf(const struct build_id *build_id, char *bf, size_t bf_size); 25 bool build_id__is_defined(const struct build_id *bid); 26 int sysfs__snprintf_build_id(const char *root_dir, char *sbuild_id, size_t sbuild_id_size); 27 int filename__snprintf_build_id(const char *pathname, char *sbuild_id, size_t sbuild_id_size); 28 char *build_id_cache__kallsyms_path(const char *sbuild_id, char *bf, 29 size_t size); 30 31 char *dso__build_id_filename(const struct dso *dso, char *bf, size_t size, 32 bool is_debug); 33 char *__dso__build_id_filename(const struct dso *dso, char *bf, size_t size, 34 bool is_debug, bool is_kallsyms); 35 36 int build_id__mark_dso_hit(const struct perf_tool *tool, union perf_event *event, 37 struct perf_sample *sample, struct machine *machine); 38 39 bool perf_session__read_build_ids(struct perf_session *session, bool with_hits); 40 int perf_session__write_buildid_table(struct perf_session *session, 41 struct feat_fd *fd); 42 int perf_session__cache_build_ids(struct perf_session *session); 43 int __perf_session__cache_build_ids(struct perf_session *session, 44 machine__dso_t fn, void *priv); 45 46 char *build_id_cache__origname(const char *sbuild_id); 47 char *build_id_cache__linkname(const char *sbuild_id, char *bf, size_t size); 48 char *build_id_cache__cachedir(const char *sbuild_id, const char *name, 49 struct nsinfo *nsi, bool is_kallsyms, 50 bool is_vdso); 51 52 struct strlist; 53 54 struct strlist *build_id_cache__list_all(bool validonly); 55 char *build_id_cache__complement(const char *incomplete_sbuild_id); 56 int build_id_cache__list_build_ids(const char *pathname, struct nsinfo *nsi, 57 struct strlist **result); 58 bool build_id_cache__cached(const char *sbuild_id); 59 int build_id_cache__add(const char *sbuild_id, const char *name, const char *realname, 60 struct nsinfo *nsi, bool is_kallsyms, bool is_vdso, 61 const char *proper_name, const char *root_dir); 62 int __build_id_cache__add_s(const char *sbuild_id, 63 const char *name, struct nsinfo *nsi, 64 bool is_kallsyms, bool is_vdso, 65 const char *proper_name, const char *root_dir); 66 static inline int build_id_cache__add_s(const char *sbuild_id, 67 const char *name, struct nsinfo *nsi, 68 bool is_kallsyms, bool is_vdso) 69 { 70 return __build_id_cache__add_s(sbuild_id, name, nsi, is_kallsyms, is_vdso, NULL, NULL); 71 } 72 int build_id_cache__remove_s(const char *sbuild_id); 73 74 extern char buildid_dir[]; 75 76 void set_buildid_dir(const char *dir); 77 void disable_buildid_cache(void); 78 79 #endif 80