Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
[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 - symtab entry
52  *
53  * @ignore - resolvable but tools ignore it (e.g. idle routines)
54  */
55 struct 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
65 void symbol__delete(struct symbol *self);
66
67 struct strlist;
68
69 struct 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         const char      *vmlinux_name,
80                         *kallsyms_name,
81                         *source_prefix,
82                         *field_sep;
83         const char      *default_guest_vmlinux_name,
84                         *default_guest_kallsyms,
85                         *default_guest_modules;
86         const char      *guestmount;
87         const char      *dso_list_str,
88                         *comm_list_str,
89                         *sym_list_str,
90                         *col_width_list_str;
91        struct strlist   *dso_list,
92                         *comm_list,
93                         *sym_list;
94         const char      *symfs;
95 };
96
97 extern struct symbol_conf symbol_conf;
98
99 static inline void *symbol__priv(struct symbol *self)
100 {
101         return ((void *)self) - symbol_conf.priv_size;
102 }
103
104 struct ref_reloc_sym {
105         const char      *name;
106         u64             addr;
107         u64             unrelocated_addr;
108 };
109
110 struct map_symbol {
111         struct map    *map;
112         struct symbol *sym;
113         bool          unfolded;
114         bool          has_children;
115 };
116
117 struct addr_location {
118         struct thread *thread;
119         struct map    *map;
120         struct symbol *sym;
121         u64           addr;
122         char          level;
123         bool          filtered;
124         u8            cpumode;
125         s32           cpu;
126 };
127
128 enum dso_kernel_type {
129         DSO_TYPE_USER = 0,
130         DSO_TYPE_KERNEL,
131         DSO_TYPE_GUEST_KERNEL
132 };
133
134 struct dso {
135         struct list_head node;
136         struct rb_root   symbols[MAP__NR_TYPES];
137         struct rb_root   symbol_names[MAP__NR_TYPES];
138         enum dso_kernel_type    kernel;
139         u8               adjust_symbols:1;
140         u8               has_build_id:1;
141         u8               hit:1;
142         u8               annotate_warned:1;
143         u8               sname_alloc:1;
144         u8               lname_alloc:1;
145         unsigned char    symtab_type;
146         u8               sorted_by_name;
147         u8               loaded;
148         u8               build_id[BUILD_ID_SIZE];
149         const char       *short_name;
150         char             *long_name;
151         u16              long_name_len;
152         u16              short_name_len;
153         char             name[0];
154 };
155
156 struct dso *dso__new(const char *name);
157 struct dso *dso__new_kernel(const char *name);
158 void dso__delete(struct dso *self);
159
160 int dso__name_len(const struct dso *self);
161
162 bool dso__loaded(const struct dso *self, enum map_type type);
163 bool dso__sorted_by_name(const struct dso *self, enum map_type type);
164
165 static inline void dso__set_loaded(struct dso *self, enum map_type type)
166 {
167         self->loaded |= (1 << type);
168 }
169
170 void dso__sort_by_name(struct dso *self, enum map_type type);
171
172 struct dso *__dsos__findnew(struct list_head *head, const char *name);
173
174 int dso__load(struct dso *self, struct map *map, symbol_filter_t filter);
175 int dso__load_vmlinux(struct dso *self, struct map *map,
176                       const char *vmlinux, symbol_filter_t filter);
177 int dso__load_vmlinux_path(struct dso *self, struct map *map,
178                            symbol_filter_t filter);
179 int dso__load_kallsyms(struct dso *self, const char *filename, struct map *map,
180                        symbol_filter_t filter);
181 int machine__load_kallsyms(struct machine *self, const char *filename,
182                            enum map_type type, symbol_filter_t filter);
183 int machine__load_vmlinux_path(struct machine *self, enum map_type type,
184                                symbol_filter_t filter);
185
186 size_t __dsos__fprintf(struct list_head *head, FILE *fp);
187
188 size_t machine__fprintf_dsos_buildid(struct machine *self, FILE *fp, bool with_hits);
189 size_t machines__fprintf_dsos(struct rb_root *self, FILE *fp);
190 size_t machines__fprintf_dsos_buildid(struct rb_root *self, FILE *fp, bool with_hits);
191
192 size_t dso__fprintf_buildid(struct dso *self, FILE *fp);
193 size_t dso__fprintf_symbols_by_name(struct dso *self, enum map_type type, FILE *fp);
194 size_t dso__fprintf(struct dso *self, enum map_type type, FILE *fp);
195
196 enum symtab_type {
197         SYMTAB__KALLSYMS = 0,
198         SYMTAB__GUEST_KALLSYMS,
199         SYMTAB__JAVA_JIT,
200         SYMTAB__BUILD_ID_CACHE,
201         SYMTAB__FEDORA_DEBUGINFO,
202         SYMTAB__UBUNTU_DEBUGINFO,
203         SYMTAB__BUILDID_DEBUGINFO,
204         SYMTAB__SYSTEM_PATH_DSO,
205         SYMTAB__GUEST_KMODULE,
206         SYMTAB__SYSTEM_PATH_KMODULE,
207         SYMTAB__NOT_FOUND,
208 };
209
210 char dso__symtab_origin(const struct dso *self);
211 void dso__set_long_name(struct dso *self, char *name);
212 void dso__set_build_id(struct dso *self, void *build_id);
213 void dso__read_running_kernel_build_id(struct dso *self, struct machine *machine);
214 struct symbol *dso__find_symbol(struct dso *self, enum map_type type, u64 addr);
215 struct symbol *dso__find_symbol_by_name(struct dso *self, enum map_type type,
216                                         const char *name);
217
218 int filename__read_build_id(const char *filename, void *bf, size_t size);
219 int sysfs__read_build_id(const char *filename, void *bf, size_t size);
220 bool __dsos__read_build_ids(struct list_head *head, bool with_hits);
221 int build_id__sprintf(const u8 *self, int len, char *bf);
222 int kallsyms__parse(const char *filename, void *arg,
223                     int (*process_symbol)(void *arg, const char *name,
224                                           char type, u64 start, u64 end));
225
226 void machine__destroy_kernel_maps(struct machine *self);
227 int __machine__create_kernel_maps(struct machine *self, struct dso *kernel);
228 int machine__create_kernel_maps(struct machine *self);
229
230 int machines__create_kernel_maps(struct rb_root *self, pid_t pid);
231 int machines__create_guest_kernel_maps(struct rb_root *self);
232 void machines__destroy_guest_kernel_maps(struct rb_root *self);
233
234 int symbol__init(void);
235 void symbol__exit(void);
236 bool symbol_type__is_a(char symbol_type, enum map_type map_type);
237
238 size_t machine__fprintf_vmlinux_path(struct machine *self, FILE *fp);
239
240 #endif /* __PERF_SYMBOL */