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 #else
40 #include <bfd.h>
41 #endif
42 #endif
43
44 int hex2u64(const char *ptr, u64 *val);
45 char *strxfrchar(char *s, char from, char to);
46
47 /*
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:
50 */
51 #ifdef LIBELF_NO_MMAP
52 # define PERF_ELF_C_READ_MMAP ELF_C_READ
53 #else
54 # define PERF_ELF_C_READ_MMAP ELF_C_READ_MMAP
55 #endif
56
57 #ifndef DMGL_PARAMS
58 #define DMGL_PARAMS (1 << 0) /* Include function args */
59 #define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */
60 #endif
61
62 #define BUILD_ID_SIZE 20
63
64 /** struct symbol - symtab entry
65 *
66 * @ignore - resolvable but tools ignore it (e.g. idle routines)
67 */
68 struct symbol {
69 struct rb_node rb_node;
70 u64 start;
71 u64 end;
72 u16 namelen;
73 u8 binding;
74 bool ignore;
75 char name[0];
76 };
77
78 void symbol__delete(struct symbol *sym);
79
80 struct strlist;
81
82 struct symbol_conf {
83 unsigned short priv_size;
84 bool try_vmlinux_path,
85 use_modules,
86 sort_by_name,
87 show_nr_samples,
88 use_callchain,
89 exclude_other,
90 show_cpu_utilization,
91 initialized,
92 kptr_restrict;
93 const char *vmlinux_name,
94 *kallsyms_name,
95 *source_prefix,
96 *field_sep;
97 const char *default_guest_vmlinux_name,
98 *default_guest_kallsyms,
99 *default_guest_modules;
100 const char *guestmount;
101 const char *dso_list_str,
102 *comm_list_str,
103 *sym_list_str,
104 *col_width_list_str;
105 struct strlist *dso_list,
106 *comm_list,
107 *sym_list;
108 const char *symfs;
109 };
110
111 extern struct symbol_conf symbol_conf;
112
symbol__priv(struct symbol * sym)113 static inline void *symbol__priv(struct symbol *sym)
114 {
115 return ((void *)sym) - symbol_conf.priv_size;
116 }
117
118 struct ref_reloc_sym {
119 const char *name;
120 u64 addr;
121 u64 unrelocated_addr;
122 };
123
124 struct map_symbol {
125 struct map *map;
126 struct symbol *sym;
127 bool unfolded;
128 bool has_children;
129 };
130
131 struct addr_location {
132 struct thread *thread;
133 struct map *map;
134 struct symbol *sym;
135 u64 addr;
136 char level;
137 bool filtered;
138 u8 cpumode;
139 s32 cpu;
140 };
141
142 enum dso_kernel_type {
143 DSO_TYPE_USER = 0,
144 DSO_TYPE_KERNEL,
145 DSO_TYPE_GUEST_KERNEL
146 };
147
148 struct dso {
149 struct list_head node;
150 struct rb_root symbols[MAP__NR_TYPES];
151 struct rb_root symbol_names[MAP__NR_TYPES];
152 enum dso_kernel_type kernel;
153 u8 adjust_symbols:1;
154 u8 has_build_id:1;
155 u8 hit:1;
156 u8 annotate_warned:1;
157 u8 sname_alloc:1;
158 u8 lname_alloc:1;
159 unsigned char symtab_type;
160 u8 sorted_by_name;
161 u8 loaded;
162 u8 build_id[BUILD_ID_SIZE];
163 const char *short_name;
164 char *long_name;
165 u16 long_name_len;
166 u16 short_name_len;
167 char name[0];
168 };
169
170 struct dso *dso__new(const char *name);
171 struct dso *dso__new_kernel(const char *name);
172 void dso__delete(struct dso *dso);
173
174 int dso__name_len(const struct dso *dso);
175
176 bool dso__loaded(const struct dso *dso, enum map_type type);
177 bool dso__sorted_by_name(const struct dso *dso, enum map_type type);
178
dso__set_loaded(struct dso * dso,enum map_type type)179 static inline void dso__set_loaded(struct dso *dso, enum map_type type)
180 {
181 dso->loaded |= (1 << type);
182 }
183
184 void dso__sort_by_name(struct dso *dso, enum map_type type);
185
186 struct dso *__dsos__findnew(struct list_head *head, const char *name);
187
188 int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter);
189 int dso__load_vmlinux(struct dso *dso, struct map *map,
190 const char *vmlinux, symbol_filter_t filter);
191 int dso__load_vmlinux_path(struct dso *dso, struct map *map,
192 symbol_filter_t filter);
193 int dso__load_kallsyms(struct dso *dso, const char *filename, struct map *map,
194 symbol_filter_t filter);
195 int machine__load_kallsyms(struct machine *machine, const char *filename,
196 enum map_type type, symbol_filter_t filter);
197 int machine__load_vmlinux_path(struct machine *machine, enum map_type type,
198 symbol_filter_t filter);
199
200 size_t __dsos__fprintf(struct list_head *head, FILE *fp);
201
202 size_t machine__fprintf_dsos_buildid(struct machine *machine,
203 FILE *fp, bool with_hits);
204 size_t machines__fprintf_dsos(struct rb_root *machines, FILE *fp);
205 size_t machines__fprintf_dsos_buildid(struct rb_root *machines,
206 FILE *fp, bool with_hits);
207 size_t dso__fprintf_buildid(struct dso *dso, FILE *fp);
208 size_t dso__fprintf_symbols_by_name(struct dso *dso,
209 enum map_type type, FILE *fp);
210 size_t dso__fprintf(struct dso *dso, enum map_type type, FILE *fp);
211
212 enum symtab_type {
213 SYMTAB__KALLSYMS = 0,
214 SYMTAB__GUEST_KALLSYMS,
215 SYMTAB__JAVA_JIT,
216 SYMTAB__BUILD_ID_CACHE,
217 SYMTAB__FEDORA_DEBUGINFO,
218 SYMTAB__UBUNTU_DEBUGINFO,
219 SYMTAB__BUILDID_DEBUGINFO,
220 SYMTAB__SYSTEM_PATH_DSO,
221 SYMTAB__GUEST_KMODULE,
222 SYMTAB__SYSTEM_PATH_KMODULE,
223 SYMTAB__NOT_FOUND,
224 };
225
226 char dso__symtab_origin(const struct dso *dso);
227 void dso__set_long_name(struct dso *dso, char *name);
228 void dso__set_build_id(struct dso *dso, void *build_id);
229 void dso__read_running_kernel_build_id(struct dso *dso,
230 struct machine *machine);
231 struct symbol *dso__find_symbol(struct dso *dso, enum map_type type,
232 u64 addr);
233 struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type,
234 const char *name);
235
236 int filename__read_build_id(const char *filename, void *bf, size_t size);
237 int sysfs__read_build_id(const char *filename, void *bf, size_t size);
238 bool __dsos__read_build_ids(struct list_head *head, bool with_hits);
239 int build_id__sprintf(const u8 *build_id, int len, char *bf);
240 int kallsyms__parse(const char *filename, void *arg,
241 int (*process_symbol)(void *arg, const char *name,
242 char type, u64 start, u64 end));
243
244 void machine__destroy_kernel_maps(struct machine *machine);
245 int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel);
246 int machine__create_kernel_maps(struct machine *machine);
247
248 int machines__create_kernel_maps(struct rb_root *machines, pid_t pid);
249 int machines__create_guest_kernel_maps(struct rb_root *machines);
250 void machines__destroy_guest_kernel_maps(struct rb_root *machines);
251
252 int symbol__init(void);
253 void symbol__exit(void);
254 bool symbol_type__is_a(char symbol_type, enum map_type map_type);
255
256 size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp);
257
258 #endif /* __PERF_SYMBOL */
259