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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 <linux/list.h>
9#include <linux/rbtree.h>
10#include <stdio.h>
11
12#ifdef HAVE_CPLUS_DEMANGLE
13extern char *cplus_demangle(const char *, int);
14
15static inline char *bfd_demangle(void __used *v, const char *c, int i)
16{
17 return cplus_demangle(c, i);
18}
19#else
20#ifdef NO_DEMANGLE
21static inline char *bfd_demangle(void __used *v, const char __used *c,
22 int __used i)
23{
24 return NULL;
25}
26#else
27#include <bfd.h>
28#endif
29#endif
30
31int hex2u64(const char *ptr, u64 *val);
32char *strxfrchar(char *s, char from, char to);
33
34/*
35 * libelf 0.8.x and earlier do not support ELF_C_READ_MMAP;
36 * for newer versions we can use mmap to reduce memory usage:
37 */
38#ifdef LIBELF_NO_MMAP
39# define PERF_ELF_C_READ_MMAP ELF_C_READ
40#else
41# define PERF_ELF_C_READ_MMAP ELF_C_READ_MMAP
42#endif
43
44#ifndef DMGL_PARAMS
45#define DMGL_PARAMS (1 << 0) /* Include function args */
46#define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */
47#endif
48
49#define BUILD_ID_SIZE 20
50
51/** struct symbol - symtab entry
52 *
53 * @ignore - resolvable but tools ignore it (e.g. idle routines)
54 */
55struct symbol {
56 struct rb_node rb_node;
57 u64 start;
58 u64 end;
59 u16 namelen;
60 u8 binding;
61 bool ignore;
62 char name[0];
63};
64
65void symbol__delete(struct symbol *sym);
66
67struct strlist;
68
69struct symbol_conf {
70 unsigned short priv_size;
71 bool try_vmlinux_path,
72 use_modules,
73 sort_by_name,
74 show_nr_samples,
75 use_callchain,
76 exclude_other,
77 show_cpu_utilization,
78 initialized,
79 kptr_restrict;
80 const char *vmlinux_name,
81 *kallsyms_name,
82 *source_prefix,
83 *field_sep;
84 const char *default_guest_vmlinux_name,
85 *default_guest_kallsyms,
86 *default_guest_modules;
87 const char *guestmount;
88 const char *dso_list_str,
89 *comm_list_str,
90 *sym_list_str,
91 *col_width_list_str;
92 struct strlist *dso_list,
93 *comm_list,
94 *sym_list;
95 const char *symfs;
96};
97
98extern struct symbol_conf symbol_conf;
99
100static inline void *symbol__priv(struct symbol *sym)
101{
102 return ((void *)sym) - symbol_conf.priv_size;
103}
104
105struct ref_reloc_sym {
106 const char *name;
107 u64 addr;
108 u64 unrelocated_addr;
109};
110
111struct map_symbol {
112 struct map *map;
113 struct symbol *sym;
114 bool unfolded;
115 bool has_children;
116};
117
118struct addr_location {
119 struct thread *thread;
120 struct map *map;
121 struct symbol *sym;
122 u64 addr;
123 char level;
124 bool filtered;
125 u8 cpumode;
126 s32 cpu;
127};
128
129enum dso_kernel_type {
130 DSO_TYPE_USER = 0,
131 DSO_TYPE_KERNEL,
132 DSO_TYPE_GUEST_KERNEL
133};
134
135struct dso {
136 struct list_head node;
137 struct rb_root symbols[MAP__NR_TYPES];
138 struct rb_root symbol_names[MAP__NR_TYPES];
139 enum dso_kernel_type kernel;
140 u8 adjust_symbols:1;
141 u8 has_build_id:1;
142 u8 hit:1;
143 u8 annotate_warned:1;
144 u8 sname_alloc:1;
145 u8 lname_alloc:1;
146 unsigned char symtab_type;
147 u8 sorted_by_name;
148 u8 loaded;
149 u8 build_id[BUILD_ID_SIZE];
150 const char *short_name;
151 char *long_name;
152 u16 long_name_len;
153 u16 short_name_len;
154 char name[0];
155};
156
157struct dso *dso__new(const char *name);
158void dso__delete(struct dso *dso);
159
160int dso__name_len(const struct dso *dso);
161
162bool dso__loaded(const struct dso *dso, enum map_type type);
163bool dso__sorted_by_name(const struct dso *dso, enum map_type type);
164
165static inline void dso__set_loaded(struct dso *dso, enum map_type type)
166{
167 dso->loaded |= (1 << type);
168}
169
170void dso__sort_by_name(struct dso *dso, enum map_type type);
171
172struct dso *__dsos__findnew(struct list_head *head, const char *name);
173
174int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter);
175int dso__load_vmlinux(struct dso *dso, struct map *map,
176 const char *vmlinux, symbol_filter_t filter);
177int dso__load_vmlinux_path(struct dso *dso, struct map *map,
178 symbol_filter_t filter);
179int dso__load_kallsyms(struct dso *dso, const char *filename, struct map *map,
180 symbol_filter_t filter);
181int machine__load_kallsyms(struct machine *machine, const char *filename,
182 enum map_type type, symbol_filter_t filter);
183int machine__load_vmlinux_path(struct machine *machine, enum map_type type,
184 symbol_filter_t filter);
185
186size_t __dsos__fprintf(struct list_head *head, FILE *fp);
187
188size_t machine__fprintf_dsos_buildid(struct machine *machine,
189 FILE *fp, bool with_hits);
190size_t machines__fprintf_dsos(struct rb_root *machines, FILE *fp);
191size_t machines__fprintf_dsos_buildid(struct rb_root *machines,
192 FILE *fp, bool with_hits);
193size_t dso__fprintf_buildid(struct dso *dso, FILE *fp);
194size_t dso__fprintf_symbols_by_name(struct dso *dso,
195 enum map_type type, FILE *fp);
196size_t dso__fprintf(struct dso *dso, enum map_type type, FILE *fp);
197
198enum symtab_type {
199 SYMTAB__KALLSYMS = 0,
200 SYMTAB__GUEST_KALLSYMS,
201 SYMTAB__JAVA_JIT,
202 SYMTAB__BUILD_ID_CACHE,
203 SYMTAB__FEDORA_DEBUGINFO,
204 SYMTAB__UBUNTU_DEBUGINFO,
205 SYMTAB__BUILDID_DEBUGINFO,
206 SYMTAB__SYSTEM_PATH_DSO,
207 SYMTAB__GUEST_KMODULE,
208 SYMTAB__SYSTEM_PATH_KMODULE,
209 SYMTAB__NOT_FOUND,
210};
211
212char dso__symtab_origin(const struct dso *dso);
213void dso__set_long_name(struct dso *dso, char *name);
214void dso__set_build_id(struct dso *dso, void *build_id);
215void dso__read_running_kernel_build_id(struct dso *dso,
216 struct machine *machine);
217struct symbol *dso__find_symbol(struct dso *dso, enum map_type type,
218 u64 addr);
219struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type,
220 const char *name);
221
222int filename__read_build_id(const char *filename, void *bf, size_t size);
223int sysfs__read_build_id(const char *filename, void *bf, size_t size);
224bool __dsos__read_build_ids(struct list_head *head, bool with_hits);
225int build_id__sprintf(const u8 *build_id, int len, char *bf);
226int kallsyms__parse(const char *filename, void *arg,
227 int (*process_symbol)(void *arg, const char *name,
228 char type, u64 start, u64 end));
229
230void machine__destroy_kernel_maps(struct machine *machine);
231int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel);
232int machine__create_kernel_maps(struct machine *machine);
233
234int machines__create_kernel_maps(struct rb_root *machines, pid_t pid);
235int machines__create_guest_kernel_maps(struct rb_root *machines);
236void machines__destroy_guest_kernel_maps(struct rb_root *machines);
237
238int symbol__init(void);
239void symbol__exit(void);
240bool symbol_type__is_a(char symbol_type, enum map_type map_type);
241
242size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp);
243
244#endif /* __PERF_SYMBOL */
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#include <byteswap.h>
13
14#ifdef HAVE_CPLUS_DEMANGLE
15extern char *cplus_demangle(const char *, int);
16
17static inline char *bfd_demangle(void __used *v, const char *c, int i)
18{
19 return cplus_demangle(c, i);
20}
21#else
22#ifdef NO_DEMANGLE
23static inline char *bfd_demangle(void __used *v, const char __used *c,
24 int __used i)
25{
26 return NULL;
27}
28#else
29#include <bfd.h>
30#endif
31#endif
32
33int hex2u64(const char *ptr, u64 *val);
34char *strxfrchar(char *s, char from, char to);
35
36/*
37 * libelf 0.8.x and earlier do not support ELF_C_READ_MMAP;
38 * for newer versions we can use mmap to reduce memory usage:
39 */
40#ifdef LIBELF_NO_MMAP
41# define PERF_ELF_C_READ_MMAP ELF_C_READ
42#else
43# define PERF_ELF_C_READ_MMAP ELF_C_READ_MMAP
44#endif
45
46#ifndef DMGL_PARAMS
47#define DMGL_PARAMS (1 << 0) /* Include function args */
48#define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */
49#endif
50
51#define BUILD_ID_SIZE 20
52
53/** struct symbol - symtab entry
54 *
55 * @ignore - resolvable but tools ignore it (e.g. idle routines)
56 */
57struct symbol {
58 struct rb_node rb_node;
59 u64 start;
60 u64 end;
61 u16 namelen;
62 u8 binding;
63 bool ignore;
64 char name[0];
65};
66
67void symbol__delete(struct symbol *sym);
68
69static inline size_t symbol__size(const struct symbol *sym)
70{
71 return sym->end - sym->start + 1;
72}
73
74struct strlist;
75
76struct symbol_conf {
77 unsigned short priv_size;
78 unsigned short nr_events;
79 bool try_vmlinux_path,
80 show_kernel_path,
81 use_modules,
82 sort_by_name,
83 show_nr_samples,
84 show_total_period,
85 use_callchain,
86 exclude_other,
87 show_cpu_utilization,
88 initialized,
89 kptr_restrict,
90 annotate_asm_raw,
91 annotate_src;
92 const char *vmlinux_name,
93 *kallsyms_name,
94 *source_prefix,
95 *field_sep;
96 const char *default_guest_vmlinux_name,
97 *default_guest_kallsyms,
98 *default_guest_modules;
99 const char *guestmount;
100 const char *dso_list_str,
101 *comm_list_str,
102 *sym_list_str,
103 *col_width_list_str;
104 struct strlist *dso_list,
105 *comm_list,
106 *sym_list,
107 *dso_from_list,
108 *dso_to_list,
109 *sym_from_list,
110 *sym_to_list;
111 const char *symfs;
112};
113
114extern struct symbol_conf symbol_conf;
115
116static inline void *symbol__priv(struct symbol *sym)
117{
118 return ((void *)sym) - symbol_conf.priv_size;
119}
120
121struct ref_reloc_sym {
122 const char *name;
123 u64 addr;
124 u64 unrelocated_addr;
125};
126
127struct map_symbol {
128 struct map *map;
129 struct symbol *sym;
130 bool unfolded;
131 bool has_children;
132};
133
134struct addr_map_symbol {
135 struct map *map;
136 struct symbol *sym;
137 u64 addr;
138 u64 al_addr;
139};
140
141struct branch_info {
142 struct addr_map_symbol from;
143 struct addr_map_symbol to;
144 struct branch_flags flags;
145};
146
147struct addr_location {
148 struct thread *thread;
149 struct map *map;
150 struct symbol *sym;
151 u64 addr;
152 char level;
153 bool filtered;
154 u8 cpumode;
155 s32 cpu;
156};
157
158enum dso_kernel_type {
159 DSO_TYPE_USER = 0,
160 DSO_TYPE_KERNEL,
161 DSO_TYPE_GUEST_KERNEL
162};
163
164enum dso_swap_type {
165 DSO_SWAP__UNSET,
166 DSO_SWAP__NO,
167 DSO_SWAP__YES,
168};
169
170struct dso {
171 struct list_head node;
172 struct rb_root symbols[MAP__NR_TYPES];
173 struct rb_root symbol_names[MAP__NR_TYPES];
174 enum dso_kernel_type kernel;
175 enum dso_swap_type needs_swap;
176 u8 adjust_symbols:1;
177 u8 has_build_id:1;
178 u8 hit:1;
179 u8 annotate_warned:1;
180 u8 sname_alloc:1;
181 u8 lname_alloc:1;
182 unsigned char symtab_type;
183 u8 sorted_by_name;
184 u8 loaded;
185 u8 build_id[BUILD_ID_SIZE];
186 const char *short_name;
187 char *long_name;
188 u16 long_name_len;
189 u16 short_name_len;
190 char name[0];
191};
192
193#define DSO__SWAP(dso, type, val) \
194({ \
195 type ____r = val; \
196 BUG_ON(dso->needs_swap == DSO_SWAP__UNSET); \
197 if (dso->needs_swap == DSO_SWAP__YES) { \
198 switch (sizeof(____r)) { \
199 case 2: \
200 ____r = bswap_16(val); \
201 break; \
202 case 4: \
203 ____r = bswap_32(val); \
204 break; \
205 case 8: \
206 ____r = bswap_64(val); \
207 break; \
208 default: \
209 BUG_ON(1); \
210 } \
211 } \
212 ____r; \
213})
214
215struct dso *dso__new(const char *name);
216void dso__delete(struct dso *dso);
217
218int dso__name_len(const struct dso *dso);
219
220bool dso__loaded(const struct dso *dso, enum map_type type);
221bool dso__sorted_by_name(const struct dso *dso, enum map_type type);
222
223static inline void dso__set_loaded(struct dso *dso, enum map_type type)
224{
225 dso->loaded |= (1 << type);
226}
227
228void dso__sort_by_name(struct dso *dso, enum map_type type);
229
230struct dso *__dsos__findnew(struct list_head *head, const char *name);
231
232int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter);
233int dso__load_vmlinux(struct dso *dso, struct map *map,
234 const char *vmlinux, symbol_filter_t filter);
235int dso__load_vmlinux_path(struct dso *dso, struct map *map,
236 symbol_filter_t filter);
237int dso__load_kallsyms(struct dso *dso, const char *filename, struct map *map,
238 symbol_filter_t filter);
239int machine__load_kallsyms(struct machine *machine, const char *filename,
240 enum map_type type, symbol_filter_t filter);
241int machine__load_vmlinux_path(struct machine *machine, enum map_type type,
242 symbol_filter_t filter);
243
244size_t __dsos__fprintf(struct list_head *head, FILE *fp);
245
246size_t machine__fprintf_dsos_buildid(struct machine *machine,
247 FILE *fp, bool with_hits);
248size_t machines__fprintf_dsos(struct rb_root *machines, FILE *fp);
249size_t machines__fprintf_dsos_buildid(struct rb_root *machines,
250 FILE *fp, bool with_hits);
251size_t dso__fprintf_buildid(struct dso *dso, FILE *fp);
252size_t dso__fprintf_symbols_by_name(struct dso *dso,
253 enum map_type type, FILE *fp);
254size_t dso__fprintf(struct dso *dso, enum map_type type, FILE *fp);
255
256enum symtab_type {
257 SYMTAB__KALLSYMS = 0,
258 SYMTAB__GUEST_KALLSYMS,
259 SYMTAB__JAVA_JIT,
260 SYMTAB__BUILD_ID_CACHE,
261 SYMTAB__FEDORA_DEBUGINFO,
262 SYMTAB__UBUNTU_DEBUGINFO,
263 SYMTAB__BUILDID_DEBUGINFO,
264 SYMTAB__SYSTEM_PATH_DSO,
265 SYMTAB__GUEST_KMODULE,
266 SYMTAB__SYSTEM_PATH_KMODULE,
267 SYMTAB__NOT_FOUND,
268};
269
270char dso__symtab_origin(const struct dso *dso);
271void dso__set_long_name(struct dso *dso, char *name);
272void dso__set_build_id(struct dso *dso, void *build_id);
273void dso__read_running_kernel_build_id(struct dso *dso,
274 struct machine *machine);
275struct map *dso__new_map(const char *name);
276struct symbol *dso__find_symbol(struct dso *dso, enum map_type type,
277 u64 addr);
278struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type,
279 const char *name);
280
281int filename__read_build_id(const char *filename, void *bf, size_t size);
282int sysfs__read_build_id(const char *filename, void *bf, size_t size);
283bool __dsos__read_build_ids(struct list_head *head, bool with_hits);
284int build_id__sprintf(const u8 *build_id, int len, char *bf);
285int kallsyms__parse(const char *filename, void *arg,
286 int (*process_symbol)(void *arg, const char *name,
287 char type, u64 start, u64 end));
288
289void machine__destroy_kernel_maps(struct machine *machine);
290int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel);
291int machine__create_kernel_maps(struct machine *machine);
292
293int machines__create_kernel_maps(struct rb_root *machines, pid_t pid);
294int machines__create_guest_kernel_maps(struct rb_root *machines);
295void machines__destroy_guest_kernel_maps(struct rb_root *machines);
296
297int symbol__init(void);
298void symbol__exit(void);
299size_t symbol__fprintf_symname_offs(const struct symbol *sym,
300 const struct addr_location *al, FILE *fp);
301size_t symbol__fprintf_symname(const struct symbol *sym, FILE *fp);
302bool symbol_type__is_a(char symbol_type, enum map_type map_type);
303
304size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp);
305
306#endif /* __PERF_SYMBOL */