Merge branches 'fixes', 'pgt-next' and 'versatile' into devel
[pandora-kernel.git] / tools / perf / util / symbol.h
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
13 extern char *cplus_demangle(const char *, int);
14
15 static 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
21 static 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
31 int hex2u64(const char *ptr, u64 *val);
32 char *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 {
52         struct rb_node  rb_node;
53         u64             start;
54         u64             end;
55         u16             namelen;
56         u8              binding;
57         char            name[0];
58 };
59
60 void symbol__delete(struct symbol *self);
61
62 struct strlist;
63
64 struct symbol_conf {
65         unsigned short  priv_size;
66         bool            try_vmlinux_path,
67                         use_modules,
68                         sort_by_name,
69                         show_nr_samples,
70                         use_callchain,
71                         exclude_other,
72                         show_cpu_utilization,
73                         initialized;
74         const char      *vmlinux_name,
75                         *kallsyms_name,
76                         *source_prefix,
77                         *field_sep;
78         const char      *default_guest_vmlinux_name,
79                         *default_guest_kallsyms,
80                         *default_guest_modules;
81         const char      *guestmount;
82         const char      *dso_list_str,
83                         *comm_list_str,
84                         *sym_list_str,
85                         *col_width_list_str;
86        struct strlist   *dso_list,
87                         *comm_list,
88                         *sym_list;
89         const char      *symfs;
90 };
91
92 extern struct symbol_conf symbol_conf;
93
94 static inline void *symbol__priv(struct symbol *self)
95 {
96         return ((void *)self) - symbol_conf.priv_size;
97 }
98
99 struct ref_reloc_sym {
100         const char      *name;
101         u64             addr;
102         u64             unrelocated_addr;
103 };
104
105 struct map_symbol {
106         struct map    *map;
107         struct symbol *sym;
108         bool          unfolded;
109         bool          has_children;
110 };
111
112 struct addr_location {
113         struct thread *thread;
114         struct map    *map;
115         struct symbol *sym;
116         u64           addr;
117         char          level;
118         bool          filtered;
119         u8            cpumode;
120         s32           cpu;
121 };
122
123 enum dso_kernel_type {
124         DSO_TYPE_USER = 0,
125         DSO_TYPE_KERNEL,
126         DSO_TYPE_GUEST_KERNEL
127 };
128
129 struct dso {
130         struct list_head node;
131         struct rb_root   symbols[MAP__NR_TYPES];
132         struct rb_root   symbol_names[MAP__NR_TYPES];
133         enum dso_kernel_type    kernel;
134         u8               adjust_symbols:1;
135         u8               has_build_id:1;
136         u8               hit:1;
137         u8               annotate_warned:1;
138         u8               sname_alloc:1;
139         u8               lname_alloc:1;
140         unsigned char    origin;
141         u8               sorted_by_name;
142         u8               loaded;
143         u8               build_id[BUILD_ID_SIZE];
144         const char       *short_name;
145         char             *long_name;
146         u16              long_name_len;
147         u16              short_name_len;
148         char             name[0];
149 };
150
151 struct dso *dso__new(const char *name);
152 struct dso *dso__new_kernel(const char *name);
153 void dso__delete(struct dso *self);
154
155 int dso__name_len(const struct dso *self);
156
157 bool dso__loaded(const struct dso *self, enum map_type type);
158 bool dso__sorted_by_name(const struct dso *self, enum map_type type);
159
160 static inline void dso__set_loaded(struct dso *self, enum map_type type)
161 {
162         self->loaded |= (1 << type);
163 }
164
165 void dso__sort_by_name(struct dso *self, enum map_type type);
166
167 struct dso *__dsos__findnew(struct list_head *head, const char *name);
168
169 int dso__load(struct dso *self, struct map *map, symbol_filter_t filter);
170 int dso__load_vmlinux(struct dso *self, struct map *map,
171                       const char *vmlinux, symbol_filter_t filter);
172 int dso__load_vmlinux_path(struct dso *self, struct map *map,
173                            symbol_filter_t filter);
174 int dso__load_kallsyms(struct dso *self, const char *filename, struct map *map,
175                        symbol_filter_t filter);
176 int machine__load_kallsyms(struct machine *self, const char *filename,
177                            enum map_type type, symbol_filter_t filter);
178 int machine__load_vmlinux_path(struct machine *self, enum map_type type,
179                                symbol_filter_t filter);
180
181 size_t __dsos__fprintf(struct list_head *head, FILE *fp);
182
183 size_t machine__fprintf_dsos_buildid(struct machine *self, FILE *fp, bool with_hits);
184 size_t machines__fprintf_dsos(struct rb_root *self, FILE *fp);
185 size_t machines__fprintf_dsos_buildid(struct rb_root *self, FILE *fp, bool with_hits);
186
187 size_t dso__fprintf_buildid(struct dso *self, FILE *fp);
188 size_t dso__fprintf_symbols_by_name(struct dso *self, enum map_type type, FILE *fp);
189 size_t dso__fprintf(struct dso *self, enum map_type type, FILE *fp);
190
191 enum dso_origin {
192         DSO__ORIG_KERNEL = 0,
193         DSO__ORIG_GUEST_KERNEL,
194         DSO__ORIG_JAVA_JIT,
195         DSO__ORIG_BUILD_ID_CACHE,
196         DSO__ORIG_FEDORA,
197         DSO__ORIG_UBUNTU,
198         DSO__ORIG_BUILDID,
199         DSO__ORIG_DSO,
200         DSO__ORIG_GUEST_KMODULE,
201         DSO__ORIG_KMODULE,
202         DSO__ORIG_NOT_FOUND,
203 };
204
205 char dso__symtab_origin(const struct dso *self);
206 void dso__set_long_name(struct dso *self, char *name);
207 void dso__set_build_id(struct dso *self, void *build_id);
208 void dso__read_running_kernel_build_id(struct dso *self, struct machine *machine);
209 struct symbol *dso__find_symbol(struct dso *self, enum map_type type, u64 addr);
210 struct symbol *dso__find_symbol_by_name(struct dso *self, enum map_type type,
211                                         const char *name);
212
213 int filename__read_build_id(const char *filename, void *bf, size_t size);
214 int sysfs__read_build_id(const char *filename, void *bf, size_t size);
215 bool __dsos__read_build_ids(struct list_head *head, bool with_hits);
216 int build_id__sprintf(const u8 *self, int len, char *bf);
217 int kallsyms__parse(const char *filename, void *arg,
218                     int (*process_symbol)(void *arg, const char *name,
219                                           char type, u64 start, u64 end));
220
221 void machine__destroy_kernel_maps(struct machine *self);
222 int __machine__create_kernel_maps(struct machine *self, struct dso *kernel);
223 int machine__create_kernel_maps(struct machine *self);
224
225 int machines__create_kernel_maps(struct rb_root *self, pid_t pid);
226 int machines__create_guest_kernel_maps(struct rb_root *self);
227 void machines__destroy_guest_kernel_maps(struct rb_root *self);
228
229 int symbol__init(void);
230 void symbol__exit(void);
231 bool symbol_type__is_a(char symbol_type, enum map_type map_type);
232
233 size_t machine__fprintf_vmlinux_path(struct machine *self, FILE *fp);
234
235 #endif /* __PERF_SYMBOL */