2 #define __PERF_SYMBOL 1
4 #include <linux/types.h>
9 #include <linux/list.h>
10 #include <linux/rbtree.h>
18 #ifdef HAVE_LIBELF_SUPPORT
26 #ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
27 extern char *cplus_demangle(const char *, int);
29 static inline char *bfd_demangle(void __maybe_unused *v, const char *c, int i)
31 return cplus_demangle(c, i);
35 static inline char *bfd_demangle(void __maybe_unused *v,
36 const char __maybe_unused *c,
42 #define PACKAGE 'perf'
48 * libelf 0.8.x and earlier do not support ELF_C_READ_MMAP;
49 * for newer versions we can use mmap to reduce memory usage:
51 #ifdef HAVE_LIBELF_MMAP_SUPPORT
52 # define PERF_ELF_C_READ_MMAP ELF_C_READ_MMAP
54 # define PERF_ELF_C_READ_MMAP ELF_C_READ
57 #ifdef HAVE_LIBELF_SUPPORT
58 extern Elf_Scn *elf_section_by_name(Elf *elf, GElf_Ehdr *ep,
59 GElf_Shdr *shp, const char *name, size_t *idx);
63 #define DMGL_NO_OPTS 0 /* For readability... */
64 #define DMGL_PARAMS (1 << 0) /* Include function args */
65 #define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */
68 /** struct symbol - symtab entry
70 * @ignore - resolvable but tools ignore it (e.g. idle routines)
73 struct rb_node rb_node;
82 void symbol__delete(struct symbol *sym);
83 void symbols__delete(struct rb_root *symbols);
85 /* symbols__for_each_entry - iterate over symbols (rb_root)
87 * @symbols: the rb_root of symbols
88 * @pos: the 'struct symbol *' to use as a loop cursor
89 * @nd: the 'struct rb_node *' to use as a temporary storage
91 #define symbols__for_each_entry(symbols, pos, nd) \
92 for (nd = rb_first(symbols); \
93 nd && (pos = rb_entry(nd, struct symbol, rb_node)); \
96 static inline size_t symbol__size(const struct symbol *sym)
98 return sym->end - sym->start;
104 unsigned short priv_size;
105 unsigned short nr_events;
106 bool try_vmlinux_path,
108 ignore_vmlinux_buildid,
117 show_cpu_utilization,
127 const char *vmlinux_name,
131 const char *default_guest_vmlinux_name,
132 *default_guest_kallsyms,
133 *default_guest_modules;
134 const char *guestmount;
135 const char *dso_list_str,
139 struct strlist *dso_list,
149 extern struct symbol_conf symbol_conf;
151 static inline int __symbol__join_symfs(char *bf, size_t size, const char *path)
153 return path__join(bf, size, symbol_conf.symfs, path);
156 #define symbol__join_symfs(bf, path) __symbol__join_symfs(bf, sizeof(bf), path)
158 extern int vmlinux_path__nr_entries;
159 extern char **vmlinux_path;
161 static inline void *symbol__priv(struct symbol *sym)
163 return ((void *)sym) - symbol_conf.priv_size;
166 struct ref_reloc_sym {
169 u64 unrelocated_addr;
179 struct addr_map_symbol {
187 struct addr_map_symbol from;
188 struct addr_map_symbol to;
189 struct branch_flags flags;
193 struct addr_map_symbol iaddr;
194 struct addr_map_symbol daddr;
195 union perf_mem_data_src data_src;
198 struct addr_location {
199 struct machine *machine;
200 struct thread *thread;
213 enum dso_binary_type type;
215 #ifdef HAVE_LIBELF_SUPPORT
235 void symsrc__destroy(struct symsrc *ss);
236 int symsrc__init(struct symsrc *ss, struct dso *dso, const char *name,
237 enum dso_binary_type type);
238 bool symsrc__has_symtab(struct symsrc *ss);
239 bool symsrc__possibly_runtime(struct symsrc *ss);
241 int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter);
242 int dso__load_vmlinux(struct dso *dso, struct map *map,
243 const char *vmlinux, bool vmlinux_allocated,
244 symbol_filter_t filter);
245 int dso__load_vmlinux_path(struct dso *dso, struct map *map,
246 symbol_filter_t filter);
247 int dso__load_kallsyms(struct dso *dso, const char *filename, struct map *map,
248 symbol_filter_t filter);
250 struct symbol *dso__find_symbol(struct dso *dso, enum map_type type,
252 struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type,
255 struct symbol *dso__first_symbol(struct dso *dso, enum map_type type);
256 struct symbol *dso__next_symbol(struct symbol *sym);
258 enum dso_type dso__type_fd(int fd);
260 int filename__read_build_id(const char *filename, void *bf, size_t size);
261 int sysfs__read_build_id(const char *filename, void *bf, size_t size);
262 int modules__parse(const char *filename, void *arg,
263 int (*process_module)(void *arg, const char *name,
265 int filename__read_debuglink(const char *filename, char *debuglink,
268 struct perf_session_env;
269 int symbol__init(struct perf_session_env *env);
270 void symbol__exit(void);
271 void symbol__elf_init(void);
272 struct symbol *symbol__new(u64 start, u64 len, u8 binding, const char *name);
273 size_t symbol__fprintf_symname_offs(const struct symbol *sym,
274 const struct addr_location *al, FILE *fp);
275 size_t symbol__fprintf_symname(const struct symbol *sym, FILE *fp);
276 size_t symbol__fprintf(struct symbol *sym, FILE *fp);
277 bool symbol_type__is_a(char symbol_type, enum map_type map_type);
278 bool symbol__restricted_filename(const char *filename,
279 const char *restricted_filename);
280 bool symbol__is_idle(struct symbol *sym);
282 int dso__load_sym(struct dso *dso, struct map *map, struct symsrc *syms_ss,
283 struct symsrc *runtime_ss, symbol_filter_t filter,
285 int dso__synthesize_plt_symbols(struct dso *dso, struct symsrc *ss,
286 struct map *map, symbol_filter_t filter);
288 void symbols__insert(struct rb_root *symbols, struct symbol *sym);
289 void symbols__fixup_duplicate(struct rb_root *symbols);
290 void symbols__fixup_end(struct rb_root *symbols);
291 void __map_groups__fixup_end(struct map_groups *mg, enum map_type type);
293 typedef int (*mapfn_t)(u64 start, u64 len, u64 pgoff, void *data);
294 int file__read_maps(int fd, bool exe, mapfn_t mapfn, void *data,
297 #define PERF_KCORE_EXTRACT "/tmp/perf-kcore-XXXXXX"
299 struct kcore_extract {
300 char *kcore_filename;
304 char extract_filename[sizeof(PERF_KCORE_EXTRACT)];
308 int kcore_extract__create(struct kcore_extract *kce);
309 void kcore_extract__delete(struct kcore_extract *kce);
311 int kcore_copy(const char *from_dir, const char *to_dir);
312 int compare_proc_modules(const char *from, const char *to);
314 int setup_list(struct strlist **list, const char *list_str,
315 const char *list_name);
317 #endif /* __PERF_SYMBOL */