1 #ifndef __PERF_SYMBOL
2 #define __PERF_SYMBOL 1
3
4 #include <linux/types.h>
5 #include <stdbool.h>
6 #include <stdint.h>
7 #include "map.h"
8 #include "../perf.h"
9 #include <linux/list.h>
10 #include <linux/rbtree.h>
11 #include <stdio.h>
12
13 #ifdef HAVE_CPLUS_DEMANGLE
14 extern char *cplus_demangle(const char *, int);
15
bfd_demangle(void __used * v,const char * c,int i)16 static inline char *bfd_demangle(void __used *v, const char *c, int i)
17 {
18 return cplus_demangle(c, i);
19 }
20 #else
21 #ifdef NO_DEMANGLE
bfd_demangle(void __used * v,const char __used * c,int __used i)22 static inline char *bfd_demangle(void __used *v, const char __used *c,
23 int __used i)
24 {
25 return NULL;
26 }
27 #else
28 #include <bfd.h>
29 #endif
30 #endif
31
32 int hex2u64(const char *ptr, u64 *val);
33 char *strxfrchar(char *s, char from, char to);
34
35 /*
36 * libelf 0.8.x and earlier do not support ELF_C_READ_MMAP;
37 * for newer versions we can use mmap to reduce memory usage:
38 */
39 #ifdef LIBELF_NO_MMAP
40 # define PERF_ELF_C_READ_MMAP ELF_C_READ
41 #else
42 # define PERF_ELF_C_READ_MMAP ELF_C_READ_MMAP
43 #endif
44
45 #ifndef DMGL_PARAMS
46 #define DMGL_PARAMS (1 << 0) /* Include function args */
47 #define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */
48 #endif
49
50 #define BUILD_ID_SIZE 20
51
52 /** struct symbol - symtab entry
53 *
54 * @ignore - resolvable but tools ignore it (e.g. idle routines)
55 */
56 struct symbol {
57 struct rb_node rb_node;
58 u64 start;
59 u64 end;
60 u16 namelen;
61 u8 binding;
62 bool ignore;
63 char name[0];
64 };
65
66 void symbol__delete(struct symbol *sym);
67
68 struct strlist;
69
70 struct symbol_conf {
71 unsigned short priv_size;
72 unsigned short nr_events;
73 bool try_vmlinux_path,
74 show_kernel_path,
75 use_modules,
76 sort_by_name,
77 show_nr_samples,
78 show_total_period,
79 use_callchain,
80 exclude_other,
81 show_cpu_utilization,
82 initialized,
83 kptr_restrict,
84 annotate_asm_raw,
85 annotate_src;
86 const char *vmlinux_name,
87 *kallsyms_name,
88 *source_prefix,
89 *field_sep;
90 const char *default_guest_vmlinux_name,
91 *default_guest_kallsyms,
92 *default_guest_modules;
93 const char *guestmount;
94 const char *dso_list_str,
95 *comm_list_str,
96 *sym_list_str,
97 *col_width_list_str;
98 struct strlist *dso_list,
99 *comm_list,
100 *sym_list,
101 *dso_from_list,
102 *dso_to_list,
103 *sym_from_list,
104 *sym_to_list;
105 const char *symfs;
106 };
107
108 extern struct symbol_conf symbol_conf;
109
symbol__priv(struct symbol * sym)110 static inline void *symbol__priv(struct symbol *sym)
111 {
112 return ((void *)sym) - symbol_conf.priv_size;
113 }
114
115 struct ref_reloc_sym {
116 const char *name;
117 u64 addr;
118 u64 unrelocated_addr;
119 };
120
121 struct map_symbol {
122 struct map *map;
123 struct symbol *sym;
124 bool unfolded;
125 bool has_children;
126 };
127
128 struct addr_map_symbol {
129 struct map *map;
130 struct symbol *sym;
131 u64 addr;
132 u64 al_addr;
133 };
134
135 struct branch_info {
136 struct addr_map_symbol from;
137 struct addr_map_symbol to;
138 struct branch_flags flags;
139 };
140
141 struct addr_location {
142 struct thread *thread;
143 struct map *map;
144 struct symbol *sym;
145 u64 addr;
146 char level;
147 bool filtered;
148 u8 cpumode;
149 s32 cpu;
150 };
151
152 enum dso_kernel_type {
153 DSO_TYPE_USER = 0,
154 DSO_TYPE_KERNEL,
155 DSO_TYPE_GUEST_KERNEL
156 };
157
158 struct dso {
159 struct list_head node;
160 struct rb_root symbols[MAP__NR_TYPES];
161 struct rb_root symbol_names[MAP__NR_TYPES];
162 enum dso_kernel_type kernel;
163 u8 adjust_symbols:1;
164 u8 has_build_id:1;
165 u8 hit:1;
166 u8 annotate_warned:1;
167 u8 sname_alloc:1;
168 u8 lname_alloc:1;
169 unsigned char symtab_type;
170 u8 sorted_by_name;
171 u8 loaded;
172 u8 build_id[BUILD_ID_SIZE];
173 const char *short_name;
174 char *long_name;
175 u16 long_name_len;
176 u16 short_name_len;
177 char name[0];
178 };
179
180 struct dso *dso__new(const char *name);
181 void dso__delete(struct dso *dso);
182
183 int dso__name_len(const struct dso *dso);
184
185 bool dso__loaded(const struct dso *dso, enum map_type type);
186 bool dso__sorted_by_name(const struct dso *dso, enum map_type type);
187
dso__set_loaded(struct dso * dso,enum map_type type)188 static inline void dso__set_loaded(struct dso *dso, enum map_type type)
189 {
190 dso->loaded |= (1 << type);
191 }
192
193 void dso__sort_by_name(struct dso *dso, enum map_type type);
194
195 struct dso *__dsos__findnew(struct list_head *head, const char *name);
196
197 int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter);
198 int dso__load_vmlinux(struct dso *dso, struct map *map,
199 const char *vmlinux, symbol_filter_t filter);
200 int dso__load_vmlinux_path(struct dso *dso, struct map *map,
201 symbol_filter_t filter);
202 int dso__load_kallsyms(struct dso *dso, const char *filename, struct map *map,
203 symbol_filter_t filter);
204 int machine__load_kallsyms(struct machine *machine, const char *filename,
205 enum map_type type, symbol_filter_t filter);
206 int machine__load_vmlinux_path(struct machine *machine, enum map_type type,
207 symbol_filter_t filter);
208
209 size_t __dsos__fprintf(struct list_head *head, FILE *fp);
210
211 size_t machine__fprintf_dsos_buildid(struct machine *machine,
212 FILE *fp, bool with_hits);
213 size_t machines__fprintf_dsos(struct rb_root *machines, FILE *fp);
214 size_t machines__fprintf_dsos_buildid(struct rb_root *machines,
215 FILE *fp, bool with_hits);
216 size_t dso__fprintf_buildid(struct dso *dso, FILE *fp);
217 size_t dso__fprintf_symbols_by_name(struct dso *dso,
218 enum map_type type, FILE *fp);
219 size_t dso__fprintf(struct dso *dso, enum map_type type, FILE *fp);
220
221 enum symtab_type {
222 SYMTAB__KALLSYMS = 0,
223 SYMTAB__GUEST_KALLSYMS,
224 SYMTAB__JAVA_JIT,
225 SYMTAB__BUILD_ID_CACHE,
226 SYMTAB__FEDORA_DEBUGINFO,
227 SYMTAB__UBUNTU_DEBUGINFO,
228 SYMTAB__BUILDID_DEBUGINFO,
229 SYMTAB__SYSTEM_PATH_DSO,
230 SYMTAB__GUEST_KMODULE,
231 SYMTAB__SYSTEM_PATH_KMODULE,
232 SYMTAB__NOT_FOUND,
233 };
234
235 char dso__symtab_origin(const struct dso *dso);
236 void dso__set_long_name(struct dso *dso, char *name);
237 void dso__set_build_id(struct dso *dso, void *build_id);
238 void dso__read_running_kernel_build_id(struct dso *dso,
239 struct machine *machine);
240 struct symbol *dso__find_symbol(struct dso *dso, enum map_type type,
241 u64 addr);
242 struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type,
243 const char *name);
244
245 int filename__read_build_id(const char *filename, void *bf, size_t size);
246 int sysfs__read_build_id(const char *filename, void *bf, size_t size);
247 bool __dsos__read_build_ids(struct list_head *head, bool with_hits);
248 int build_id__sprintf(const u8 *build_id, int len, char *bf);
249 int kallsyms__parse(const char *filename, void *arg,
250 int (*process_symbol)(void *arg, const char *name,
251 char type, u64 start, u64 end));
252
253 void machine__destroy_kernel_maps(struct machine *machine);
254 int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel);
255 int machine__create_kernel_maps(struct machine *machine);
256
257 int machines__create_kernel_maps(struct rb_root *machines, pid_t pid);
258 int machines__create_guest_kernel_maps(struct rb_root *machines);
259 void machines__destroy_guest_kernel_maps(struct rb_root *machines);
260
261 int symbol__init(void);
262 void symbol__exit(void);
263 size_t symbol__fprintf_symname_offs(const struct symbol *sym,
264 const struct addr_location *al, FILE *fp);
265 size_t symbol__fprintf_symname(const struct symbol *sym, FILE *fp);
266 bool symbol_type__is_a(char symbol_type, enum map_type map_type);
267
268 size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp);
269
270 #endif /* __PERF_SYMBOL */
271