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_PARAMS (1 << 0) /* Include function args */
64 #define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */
67 /** struct symbol - symtab entry
69 * @ignore - resolvable but tools ignore it (e.g. idle routines)
72 struct rb_node rb_node
;
81 void symbol__delete(struct symbol
*sym
);
82 void symbols__delete(struct rb_root
*symbols
);
84 /* symbols__for_each_entry - iterate over symbols (rb_root)
86 * @symbols: the rb_root of symbols
87 * @pos: the 'struct symbol *' to use as a loop cursor
88 * @nd: the 'struct rb_node *' to use as a temporary storage
90 #define symbols__for_each_entry(symbols, pos, nd) \
91 for (nd = rb_first(symbols); \
92 nd && (pos = rb_entry(nd, struct symbol, rb_node)); \
95 static inline size_t symbol__size(const struct symbol
*sym
)
97 return sym
->end
- sym
->start
+ 1;
103 unsigned short priv_size
;
104 unsigned short nr_events
;
105 bool try_vmlinux_path
,
115 show_cpu_utilization
,
124 const char *vmlinux_name
,
128 const char *default_guest_vmlinux_name
,
129 *default_guest_kallsyms
,
130 *default_guest_modules
;
131 const char *guestmount
;
132 const char *dso_list_str
,
136 struct strlist
*dso_list
,
146 extern struct symbol_conf symbol_conf
;
148 static inline int __symbol__join_symfs(char *bf
, size_t size
, const char *path
)
150 return path__join(bf
, size
, symbol_conf
.symfs
, path
);
153 #define symbol__join_symfs(bf, path) __symbol__join_symfs(bf, sizeof(bf), path)
155 extern int vmlinux_path__nr_entries
;
156 extern char **vmlinux_path
;
158 static inline void *symbol__priv(struct symbol
*sym
)
160 return ((void *)sym
) - symbol_conf
.priv_size
;
163 struct ref_reloc_sym
{
166 u64 unrelocated_addr
;
176 struct addr_map_symbol
{
184 struct addr_map_symbol from
;
185 struct addr_map_symbol to
;
186 struct branch_flags flags
;
190 struct addr_map_symbol iaddr
;
191 struct addr_map_symbol daddr
;
192 union perf_mem_data_src data_src
;
195 struct addr_location
{
196 struct machine
*machine
;
197 struct thread
*thread
;
210 enum dso_binary_type type
;
212 #ifdef HAVE_LIBELF_SUPPORT
232 void symsrc__destroy(struct symsrc
*ss
);
233 int symsrc__init(struct symsrc
*ss
, struct dso
*dso
, const char *name
,
234 enum dso_binary_type type
);
235 bool symsrc__has_symtab(struct symsrc
*ss
);
236 bool symsrc__possibly_runtime(struct symsrc
*ss
);
238 int dso__load(struct dso
*dso
, struct map
*map
, symbol_filter_t filter
);
239 int dso__load_vmlinux(struct dso
*dso
, struct map
*map
,
240 const char *vmlinux
, bool vmlinux_allocated
,
241 symbol_filter_t filter
);
242 int dso__load_vmlinux_path(struct dso
*dso
, struct map
*map
,
243 symbol_filter_t filter
);
244 int dso__load_kallsyms(struct dso
*dso
, const char *filename
, struct map
*map
,
245 symbol_filter_t filter
);
247 struct symbol
*dso__find_symbol(struct dso
*dso
, enum map_type type
,
249 struct symbol
*dso__find_symbol_by_name(struct dso
*dso
, enum map_type type
,
252 struct symbol
*dso__first_symbol(struct dso
*dso
, enum map_type type
);
253 struct symbol
*dso__next_symbol(struct symbol
*sym
);
255 enum dso_type
dso__type_fd(int fd
);
257 int filename__read_build_id(const char *filename
, void *bf
, size_t size
);
258 int sysfs__read_build_id(const char *filename
, void *bf
, size_t size
);
259 int modules__parse(const char *filename
, void *arg
,
260 int (*process_module
)(void *arg
, const char *name
,
262 int filename__read_debuglink(const char *filename
, char *debuglink
,
265 struct perf_session_env
;
266 int symbol__init(struct perf_session_env
*env
);
267 void symbol__exit(void);
268 void symbol__elf_init(void);
269 struct symbol
*symbol__new(u64 start
, u64 len
, u8 binding
, const char *name
);
270 size_t symbol__fprintf_symname_offs(const struct symbol
*sym
,
271 const struct addr_location
*al
, FILE *fp
);
272 size_t symbol__fprintf_symname(const struct symbol
*sym
, FILE *fp
);
273 size_t symbol__fprintf(struct symbol
*sym
, FILE *fp
);
274 bool symbol_type__is_a(char symbol_type
, enum map_type map_type
);
275 bool symbol__restricted_filename(const char *filename
,
276 const char *restricted_filename
);
277 bool symbol__is_idle(struct symbol
*sym
);
279 int dso__load_sym(struct dso
*dso
, struct map
*map
, struct symsrc
*syms_ss
,
280 struct symsrc
*runtime_ss
, symbol_filter_t filter
,
282 int dso__synthesize_plt_symbols(struct dso
*dso
, struct symsrc
*ss
,
283 struct map
*map
, symbol_filter_t filter
);
285 void symbols__insert(struct rb_root
*symbols
, struct symbol
*sym
);
286 void symbols__fixup_duplicate(struct rb_root
*symbols
);
287 void symbols__fixup_end(struct rb_root
*symbols
);
288 void __map_groups__fixup_end(struct map_groups
*mg
, enum map_type type
);
290 typedef int (*mapfn_t
)(u64 start
, u64 len
, u64 pgoff
, void *data
);
291 int file__read_maps(int fd
, bool exe
, mapfn_t mapfn
, void *data
,
294 #define PERF_KCORE_EXTRACT "/tmp/perf-kcore-XXXXXX"
296 struct kcore_extract
{
297 char *kcore_filename
;
301 char extract_filename
[sizeof(PERF_KCORE_EXTRACT
)];
305 int kcore_extract__create(struct kcore_extract
*kce
);
306 void kcore_extract__delete(struct kcore_extract
*kce
);
308 int kcore_copy(const char *from_dir
, const char *to_dir
);
309 int compare_proc_modules(const char *from
, const char *to
);
311 int setup_list(struct strlist
**list
, const char *list_str
,
312 const char *list_name
);
314 #endif /* __PERF_SYMBOL */