1 #ifndef __PERF_SYMBOL
2 #define __PERF_SYMBOL 1
3
4 /* ANDROID_CHANGE_BEGIN */
5 #ifndef __APPLE__
6 /* Suppress kernel-name space pollution in <linux/types.h> below */
7 #include <features.h>
8 #include <linux/types.h>
9 #endif
10 /* ANDROID_CHANGE_END */
11 #include <stdbool.h>
12 #include <stdint.h>
13 #include "map.h"
14 /* ANDROID_CHANGE_BEGIN */
15 #if 0
16 #include <linux/list.h>
17 #include <linux/rbtree.h>
18 #else
19 #include "include/linux/list.h"
20 #include "include/linux/rbtree.h"
21 #endif
22 /* ANDROID_CHANGE_END */
23 #include <stdio.h>
24
25 #ifdef HAVE_CPLUS_DEMANGLE
26 extern char *cplus_demangle(const char *, int);
27
bfd_demangle(void __used * v,const char * c,int i)28 static inline char *bfd_demangle(void __used *v, const char *c, int i)
29 {
30 return cplus_demangle(c, i);
31 }
32 #else
33 #ifdef NO_DEMANGLE
bfd_demangle(void __used * v,const char __used * c,int __used i)34 static inline char *bfd_demangle(void __used *v, const char __used *c,
35 int __used i)
36 {
37 return NULL;
38 }
39 /* ANDROID_CHANGE_BEGIN */
40 #else
41 #ifdef HAVE_ANDROID_DEMANGLE
42 /* in external/gcc-demangle */
43 extern char *__cxa_demangle (const char *, char *, size_t *, int *);
44
bfd_demangle(void __used * v,const char __used * c,int __used i)45 static inline char *bfd_demangle(void __used *v, const char __used *c,
46 int __used i)
47 {
48 return __cxa_demangle(c, NULL, NULL, NULL);
49 }
50 /* ANDROID_CHANGE_END */
51 #else
52 #include <bfd.h>
53 #endif
54 #endif
55 #endif
56
57 int hex2u64(const char *ptr, u64 *val);
58 char *strxfrchar(char *s, char from, char to);
59
60 /*
61 * libelf 0.8.x and earlier do not support ELF_C_READ_MMAP;
62 * for newer versions we can use mmap to reduce memory usage:
63 */
64 #ifdef LIBELF_NO_MMAP
65 # define PERF_ELF_C_READ_MMAP ELF_C_READ
66 #else
67 # define PERF_ELF_C_READ_MMAP ELF_C_READ_MMAP
68 #endif
69
70 #ifndef DMGL_PARAMS
71 #define DMGL_PARAMS (1 << 0) /* Include function args */
72 #define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */
73 #endif
74
75 #define BUILD_ID_SIZE 20
76
77 /** struct symbol - symtab entry
78 *
79 * @ignore - resolvable but tools ignore it (e.g. idle routines)
80 */
81 struct symbol {
82 struct rb_node rb_node;
83 u64 start;
84 u64 end;
85 u16 namelen;
86 u8 binding;
87 bool ignore;
88 char name[0];
89 };
90
91 void symbol__delete(struct symbol *sym);
92
93 struct strlist;
94
95 struct symbol_conf {
96 unsigned short priv_size;
97 bool try_vmlinux_path,
98 use_modules,
99 sort_by_name,
100 show_nr_samples,
101 use_callchain,
102 exclude_other,
103 show_cpu_utilization,
104 initialized,
105 kptr_restrict;
106 const char *vmlinux_name,
107 *kallsyms_name,
108 *source_prefix,
109 *field_sep;
110 const char *default_guest_vmlinux_name,
111 *default_guest_kallsyms,
112 *default_guest_modules;
113 const char *guestmount;
114 const char *dso_list_str,
115 *comm_list_str,
116 *sym_list_str,
117 *col_width_list_str;
118 struct strlist *dso_list,
119 *comm_list,
120 *sym_list;
121 const char *symfs;
122 };
123
124 extern struct symbol_conf symbol_conf;
125
symbol__priv(struct symbol * sym)126 static inline void *symbol__priv(struct symbol *sym)
127 {
128 return ((void *)sym) - symbol_conf.priv_size;
129 }
130
131 struct ref_reloc_sym {
132 const char *name;
133 u64 addr;
134 u64 unrelocated_addr;
135 };
136
137 struct map_symbol {
138 struct map *map;
139 struct symbol *sym;
140 bool unfolded;
141 bool has_children;
142 };
143
144 struct addr_location {
145 struct thread *thread;
146 struct map *map;
147 struct symbol *sym;
148 u64 addr;
149 char level;
150 bool filtered;
151 u8 cpumode;
152 s32 cpu;
153 };
154
155 enum dso_kernel_type {
156 DSO_TYPE_USER = 0,
157 DSO_TYPE_KERNEL,
158 DSO_TYPE_GUEST_KERNEL
159 };
160
161 struct dso {
162 struct list_head node;
163 struct rb_root symbols[MAP__NR_TYPES];
164 struct rb_root symbol_names[MAP__NR_TYPES];
165 enum dso_kernel_type kernel;
166 u8 adjust_symbols:1;
167 u8 has_build_id:1;
168 u8 hit:1;
169 u8 annotate_warned:1;
170 u8 sname_alloc:1;
171 u8 lname_alloc:1;
172 unsigned char symtab_type;
173 u8 sorted_by_name;
174 u8 loaded;
175 u8 build_id[BUILD_ID_SIZE];
176 const char *short_name;
177 char *long_name;
178 u16 long_name_len;
179 u16 short_name_len;
180 char name[0];
181 };
182
183 struct dso *dso__new(const char *name);
184 struct dso *dso__new_kernel(const char *name);
185 void dso__delete(struct dso *dso);
186
187 int dso__name_len(const struct dso *dso);
188
189 bool dso__loaded(const struct dso *dso, enum map_type type);
190 bool dso__sorted_by_name(const struct dso *dso, enum map_type type);
191
dso__set_loaded(struct dso * dso,enum map_type type)192 static inline void dso__set_loaded(struct dso *dso, enum map_type type)
193 {
194 dso->loaded |= (1 << type);
195 }
196
197 void dso__sort_by_name(struct dso *dso, enum map_type type);
198
199 struct dso *__dsos__findnew(struct list_head *head, const char *name);
200
201 int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter);
202 int dso__load_vmlinux(struct dso *dso, struct map *map,
203 const char *vmlinux, symbol_filter_t filter);
204 int dso__load_vmlinux_path(struct dso *dso, struct map *map,
205 symbol_filter_t filter);
206 int dso__load_kallsyms(struct dso *dso, const char *filename, struct map *map,
207 symbol_filter_t filter);
208 int machine__load_kallsyms(struct machine *machine, const char *filename,
209 enum map_type type, symbol_filter_t filter);
210 int machine__load_vmlinux_path(struct machine *machine, enum map_type type,
211 symbol_filter_t filter);
212
213 size_t __dsos__fprintf(struct list_head *head, FILE *fp);
214
215 size_t machine__fprintf_dsos_buildid(struct machine *machine,
216 FILE *fp, bool with_hits);
217 size_t machines__fprintf_dsos(struct rb_root *machines, FILE *fp);
218 size_t machines__fprintf_dsos_buildid(struct rb_root *machines,
219 FILE *fp, bool with_hits);
220 size_t dso__fprintf_buildid(struct dso *dso, FILE *fp);
221 size_t dso__fprintf_symbols_by_name(struct dso *dso,
222 enum map_type type, FILE *fp);
223 size_t dso__fprintf(struct dso *dso, enum map_type type, FILE *fp);
224
225 enum symtab_type {
226 SYMTAB__KALLSYMS = 0,
227 SYMTAB__GUEST_KALLSYMS,
228 SYMTAB__JAVA_JIT,
229 SYMTAB__BUILD_ID_CACHE,
230 SYMTAB__FEDORA_DEBUGINFO,
231 SYMTAB__UBUNTU_DEBUGINFO,
232 SYMTAB__BUILDID_DEBUGINFO,
233 SYMTAB__SYSTEM_PATH_DSO,
234 SYMTAB__GUEST_KMODULE,
235 SYMTAB__SYSTEM_PATH_KMODULE,
236 SYMTAB__NOT_FOUND,
237 };
238
239 char dso__symtab_origin(const struct dso *dso);
240 void dso__set_long_name(struct dso *dso, char *name);
241 void dso__set_build_id(struct dso *dso, void *build_id);
242 void dso__read_running_kernel_build_id(struct dso *dso,
243 struct machine *machine);
244 struct symbol *dso__find_symbol(struct dso *dso, enum map_type type,
245 u64 addr);
246 struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type,
247 const char *name);
248
249 int filename__read_build_id(const char *filename, void *bf, size_t size);
250 int sysfs__read_build_id(const char *filename, void *bf, size_t size);
251 bool __dsos__read_build_ids(struct list_head *head, bool with_hits);
252 int build_id__sprintf(const u8 *build_id, int len, char *bf);
253 int kallsyms__parse(const char *filename, void *arg,
254 int (*process_symbol)(void *arg, const char *name,
255 char type, u64 start, u64 end));
256
257 void machine__destroy_kernel_maps(struct machine *machine);
258 int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel);
259 int machine__create_kernel_maps(struct machine *machine);
260
261 int machines__create_kernel_maps(struct rb_root *machines, pid_t pid);
262 int machines__create_guest_kernel_maps(struct rb_root *machines);
263 void machines__destroy_guest_kernel_maps(struct rb_root *machines);
264
265 int symbol__init(void);
266 void symbol__exit(void);
267 bool symbol_type__is_a(char symbol_type, enum map_type map_type);
268
269 size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp);
270
271 #endif /* __PERF_SYMBOL */
272