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 */