2 #define __PERF_SYMBOL 1
4 #include <linux/types.h>
9 #include <linux/list.h>
10 #include <linux/rbtree.h>
17 #ifdef HAVE_LIBELF_SUPPORT
25 #ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
26 extern char *cplus_demangle(const char *, int);
28 static inline char *bfd_demangle(void __maybe_unused *v, const char *c, int i)
30 return cplus_demangle(c, i);
34 static inline char *bfd_demangle(void __maybe_unused *v,
35 const char __maybe_unused *c,
41 #define PACKAGE 'perf'
47 * libelf 0.8.x and earlier do not support ELF_C_READ_MMAP;
48 * for newer versions we can use mmap to reduce memory usage:
50 #ifdef HAVE_LIBELF_MMAP_SUPPORT
51 # define PERF_ELF_C_READ_MMAP ELF_C_READ_MMAP
53 # define PERF_ELF_C_READ_MMAP ELF_C_READ
56 #ifdef HAVE_LIBELF_SUPPORT
57 extern Elf_Scn *elf_section_by_name(Elf *elf, GElf_Ehdr *ep,
58 GElf_Shdr *shp, const char *name, size_t *idx);
62 #define DMGL_PARAMS (1 << 0) /* Include function args */
63 #define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */
66 /** struct symbol - symtab entry
68 * @ignore - resolvable but tools ignore it (e.g. idle routines)
71 struct rb_node rb_node;
80 void symbol__delete(struct symbol *sym);
81 void symbols__delete(struct rb_root *symbols);
83 /* symbols__for_each_entry - iterate over symbols (rb_root)
85 * @symbols: the rb_root of symbols
86 * @pos: the 'struct symbol *' to use as a loop cursor
87 * @nd: the 'struct rb_node *' to use as a temporary storage
89 #define symbols__for_each_entry(symbols, pos, nd) \
90 for (nd = rb_first(symbols); \
91 nd && (pos = rb_entry(nd, struct symbol, rb_node)); \
94 static inline size_t symbol__size(const struct symbol *sym)
96 return sym->end - sym->start + 1;
102 unsigned short priv_size;
103 unsigned short nr_events;
104 bool try_vmlinux_path,
114 show_cpu_utilization,
123 const char *vmlinux_name,
127 const char *default_guest_vmlinux_name,
128 *default_guest_kallsyms,
129 *default_guest_modules;
130 const char *guestmount;
131 const char *dso_list_str,
135 struct strlist *dso_list,
145 extern struct symbol_conf symbol_conf;
146 extern int vmlinux_path__nr_entries;
147 extern char **vmlinux_path;
149 static inline void *symbol__priv(struct symbol *sym)
151 return ((void *)sym) - symbol_conf.priv_size;
154 struct ref_reloc_sym {
157 u64 unrelocated_addr;
167 struct addr_map_symbol {
175 struct addr_map_symbol from;
176 struct addr_map_symbol to;
177 struct branch_flags flags;
181 struct addr_map_symbol iaddr;
182 struct addr_map_symbol daddr;
183 union perf_mem_data_src data_src;
186 struct addr_location {
187 struct machine *machine;
188 struct thread *thread;
201 enum dso_binary_type type;
203 #ifdef HAVE_LIBELF_SUPPORT
223 void symsrc__destroy(struct symsrc *ss);
224 int symsrc__init(struct symsrc *ss, struct dso *dso, const char *name,
225 enum dso_binary_type type);
226 bool symsrc__has_symtab(struct symsrc *ss);
227 bool symsrc__possibly_runtime(struct symsrc *ss);
229 int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter);
230 int dso__load_vmlinux(struct dso *dso, struct map *map,
231 const char *vmlinux, bool vmlinux_allocated,
232 symbol_filter_t filter);
233 int dso__load_vmlinux_path(struct dso *dso, struct map *map,
234 symbol_filter_t filter);
235 int dso__load_kallsyms(struct dso *dso, const char *filename, struct map *map,
236 symbol_filter_t filter);
238 struct symbol *dso__find_symbol(struct dso *dso, enum map_type type,
240 struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type,
243 struct symbol *dso__first_symbol(struct dso *dso, enum map_type type);
244 struct symbol *dso__next_symbol(struct symbol *sym);
246 enum dso_type dso__type_fd(int fd);
248 int filename__read_build_id(const char *filename, void *bf, size_t size);
249 int sysfs__read_build_id(const char *filename, void *bf, size_t size);
250 int modules__parse(const char *filename, void *arg,
251 int (*process_module)(void *arg, const char *name,
253 int filename__read_debuglink(const char *filename, char *debuglink,
256 int symbol__init(void);
257 void symbol__exit(void);
258 void symbol__elf_init(void);
259 struct symbol *symbol__new(u64 start, u64 len, u8 binding, const char *name);
260 size_t symbol__fprintf_symname_offs(const struct symbol *sym,
261 const struct addr_location *al, FILE *fp);
262 size_t symbol__fprintf_symname(const struct symbol *sym, FILE *fp);
263 size_t symbol__fprintf(struct symbol *sym, FILE *fp);
264 bool symbol_type__is_a(char symbol_type, enum map_type map_type);
265 bool symbol__restricted_filename(const char *filename,
266 const char *restricted_filename);
267 bool symbol__is_idle(struct symbol *sym);
269 int dso__load_sym(struct dso *dso, struct map *map, struct symsrc *syms_ss,
270 struct symsrc *runtime_ss, symbol_filter_t filter,
272 int dso__synthesize_plt_symbols(struct dso *dso, struct symsrc *ss,
273 struct map *map, symbol_filter_t filter);
275 void symbols__insert(struct rb_root *symbols, struct symbol *sym);
276 void symbols__fixup_duplicate(struct rb_root *symbols);
277 void symbols__fixup_end(struct rb_root *symbols);
278 void __map_groups__fixup_end(struct map_groups *mg, enum map_type type);
280 typedef int (*mapfn_t)(u64 start, u64 len, u64 pgoff, void *data);
281 int file__read_maps(int fd, bool exe, mapfn_t mapfn, void *data,
284 #define PERF_KCORE_EXTRACT "/tmp/perf-kcore-XXXXXX"
286 struct kcore_extract {
287 char *kcore_filename;
291 char extract_filename[sizeof(PERF_KCORE_EXTRACT)];
295 int kcore_extract__create(struct kcore_extract *kce);
296 void kcore_extract__delete(struct kcore_extract *kce);
298 int kcore_copy(const char *from_dir, const char *to_dir);
299 int compare_proc_modules(const char *from, const char *to);
301 int setup_list(struct strlist **list, const char *list_str,
302 const char *list_name);
304 #endif /* __PERF_SYMBOL */