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1#ifndef __PERF_MAP_H
2#define __PERF_MAP_H
3
4#include <linux/compiler.h>
5#include <linux/list.h>
6#include <linux/rbtree.h>
7#include <stdio.h>
8#include <stdbool.h>
9#include "types.h"
10
11enum map_type {
12 MAP__FUNCTION = 0,
13 MAP__VARIABLE,
14};
15
16#define MAP__NR_TYPES (MAP__VARIABLE + 1)
17
18extern const char *map_type__name[MAP__NR_TYPES];
19
20struct dso;
21struct ref_reloc_sym;
22struct map_groups;
23struct machine;
24
25struct map {
26 union {
27 struct rb_node rb_node;
28 struct list_head node;
29 };
30 u64 start;
31 u64 end;
32 u8 /* enum map_type */ type;
33 bool referenced;
34 u32 priv;
35 u64 pgoff;
36
37 /* ip -> dso rip */
38 u64 (*map_ip)(struct map *, u64);
39 /* dso rip -> ip */
40 u64 (*unmap_ip)(struct map *, u64);
41
42 struct dso *dso;
43 struct map_groups *groups;
44};
45
46struct kmap {
47 struct ref_reloc_sym *ref_reloc_sym;
48 struct map_groups *kmaps;
49};
50
51struct map_groups {
52 struct rb_root maps[MAP__NR_TYPES];
53 struct list_head removed_maps[MAP__NR_TYPES];
54 struct machine *machine;
55};
56
57/* Native host kernel uses -1 as pid index in machine */
58#define HOST_KERNEL_ID (-1)
59#define DEFAULT_GUEST_KERNEL_ID (0)
60
61struct machine {
62 struct rb_node rb_node;
63 pid_t pid;
64 char *root_dir;
65 struct list_head user_dsos;
66 struct list_head kernel_dsos;
67 struct map_groups kmaps;
68 struct map *vmlinux_maps[MAP__NR_TYPES];
69};
70
71static inline
72struct map *machine__kernel_map(struct machine *self, enum map_type type)
73{
74 return self->vmlinux_maps[type];
75}
76
77static inline struct kmap *map__kmap(struct map *self)
78{
79 return (struct kmap *)(self + 1);
80}
81
82static inline u64 map__map_ip(struct map *map, u64 ip)
83{
84 return ip - map->start + map->pgoff;
85}
86
87static inline u64 map__unmap_ip(struct map *map, u64 ip)
88{
89 return ip + map->start - map->pgoff;
90}
91
92static inline u64 identity__map_ip(struct map *map __used, u64 ip)
93{
94 return ip;
95}
96
97
98/* rip/ip <-> addr suitable for passing to `objdump --start-address=` */
99u64 map__rip_2objdump(struct map *map, u64 rip);
100u64 map__objdump_2ip(struct map *map, u64 addr);
101
102struct symbol;
103
104typedef int (*symbol_filter_t)(struct map *map, struct symbol *sym);
105
106void map__init(struct map *self, enum map_type type,
107 u64 start, u64 end, u64 pgoff, struct dso *dso);
108struct map *map__new(struct list_head *dsos__list, u64 start, u64 len,
109 u64 pgoff, u32 pid, char *filename,
110 enum map_type type);
111void map__delete(struct map *self);
112struct map *map__clone(struct map *self);
113int map__overlap(struct map *l, struct map *r);
114size_t map__fprintf(struct map *self, FILE *fp);
115
116int map__load(struct map *self, symbol_filter_t filter);
117struct symbol *map__find_symbol(struct map *self,
118 u64 addr, symbol_filter_t filter);
119struct symbol *map__find_symbol_by_name(struct map *self, const char *name,
120 symbol_filter_t filter);
121void map__fixup_start(struct map *self);
122void map__fixup_end(struct map *self);
123
124void map__reloc_vmlinux(struct map *self);
125
126size_t __map_groups__fprintf_maps(struct map_groups *self,
127 enum map_type type, int verbose, FILE *fp);
128void maps__insert(struct rb_root *maps, struct map *map);
129void maps__remove(struct rb_root *self, struct map *map);
130struct map *maps__find(struct rb_root *maps, u64 addr);
131void map_groups__init(struct map_groups *self);
132void map_groups__exit(struct map_groups *self);
133int map_groups__clone(struct map_groups *self,
134 struct map_groups *parent, enum map_type type);
135size_t map_groups__fprintf(struct map_groups *self, int verbose, FILE *fp);
136size_t map_groups__fprintf_maps(struct map_groups *self, int verbose, FILE *fp);
137
138typedef void (*machine__process_t)(struct machine *self, void *data);
139
140void machines__process(struct rb_root *self, machine__process_t process, void *data);
141struct machine *machines__add(struct rb_root *self, pid_t pid,
142 const char *root_dir);
143struct machine *machines__find_host(struct rb_root *self);
144struct machine *machines__find(struct rb_root *self, pid_t pid);
145struct machine *machines__findnew(struct rb_root *self, pid_t pid);
146char *machine__mmap_name(struct machine *self, char *bf, size_t size);
147int machine__init(struct machine *self, const char *root_dir, pid_t pid);
148void machine__exit(struct machine *self);
149void machine__delete(struct machine *self);
150
151/*
152 * Default guest kernel is defined by parameter --guestkallsyms
153 * and --guestmodules
154 */
155static inline bool machine__is_default_guest(struct machine *self)
156{
157 return self ? self->pid == DEFAULT_GUEST_KERNEL_ID : false;
158}
159
160static inline bool machine__is_host(struct machine *self)
161{
162 return self ? self->pid == HOST_KERNEL_ID : false;
163}
164
165static inline void map_groups__insert(struct map_groups *self, struct map *map)
166{
167 maps__insert(&self->maps[map->type], map);
168 map->groups = self;
169}
170
171static inline void map_groups__remove(struct map_groups *self, struct map *map)
172{
173 maps__remove(&self->maps[map->type], map);
174}
175
176static inline struct map *map_groups__find(struct map_groups *self,
177 enum map_type type, u64 addr)
178{
179 return maps__find(&self->maps[type], addr);
180}
181
182struct symbol *map_groups__find_symbol(struct map_groups *self,
183 enum map_type type, u64 addr,
184 struct map **mapp,
185 symbol_filter_t filter);
186
187struct symbol *map_groups__find_symbol_by_name(struct map_groups *self,
188 enum map_type type,
189 const char *name,
190 struct map **mapp,
191 symbol_filter_t filter);
192
193static inline
194struct symbol *machine__find_kernel_symbol(struct machine *self,
195 enum map_type type, u64 addr,
196 struct map **mapp,
197 symbol_filter_t filter)
198{
199 return map_groups__find_symbol(&self->kmaps, type, addr, mapp, filter);
200}
201
202static inline
203struct symbol *machine__find_kernel_function(struct machine *self, u64 addr,
204 struct map **mapp,
205 symbol_filter_t filter)
206{
207 return machine__find_kernel_symbol(self, MAP__FUNCTION, addr, mapp, filter);
208}
209
210static inline
211struct symbol *map_groups__find_function_by_name(struct map_groups *self,
212 const char *name, struct map **mapp,
213 symbol_filter_t filter)
214{
215 return map_groups__find_symbol_by_name(self, MAP__FUNCTION, name, mapp, filter);
216}
217
218static inline
219struct symbol *machine__find_kernel_function_by_name(struct machine *self,
220 const char *name,
221 struct map **mapp,
222 symbol_filter_t filter)
223{
224 return map_groups__find_function_by_name(&self->kmaps, name, mapp,
225 filter);
226}
227
228int map_groups__fixup_overlappings(struct map_groups *self, struct map *map,
229 int verbose, FILE *fp);
230
231struct map *map_groups__find_by_name(struct map_groups *self,
232 enum map_type type, const char *name);
233struct map *machine__new_module(struct machine *self, u64 start, const char *filename);
234
235void map_groups__flush(struct map_groups *self);
236
237#endif /* __PERF_MAP_H */
1#ifndef __PERF_MAP_H
2#define __PERF_MAP_H
3
4#include <linux/compiler.h>
5#include <linux/list.h>
6#include <linux/rbtree.h>
7#include <stdio.h>
8#include <stdbool.h>
9#include "types.h"
10
11enum map_type {
12 MAP__FUNCTION = 0,
13 MAP__VARIABLE,
14};
15
16#define MAP__NR_TYPES (MAP__VARIABLE + 1)
17
18extern const char *map_type__name[MAP__NR_TYPES];
19
20struct dso;
21struct ip_callchain;
22struct ref_reloc_sym;
23struct map_groups;
24struct machine;
25struct perf_evsel;
26
27struct map {
28 union {
29 struct rb_node rb_node;
30 struct list_head node;
31 };
32 u64 start;
33 u64 end;
34 u8 /* enum map_type */ type;
35 bool referenced;
36 bool erange_warned;
37 u32 priv;
38 u64 pgoff;
39
40 /* ip -> dso rip */
41 u64 (*map_ip)(struct map *, u64);
42 /* dso rip -> ip */
43 u64 (*unmap_ip)(struct map *, u64);
44
45 struct dso *dso;
46 struct map_groups *groups;
47};
48
49struct kmap {
50 struct ref_reloc_sym *ref_reloc_sym;
51 struct map_groups *kmaps;
52};
53
54struct map_groups {
55 struct rb_root maps[MAP__NR_TYPES];
56 struct list_head removed_maps[MAP__NR_TYPES];
57 struct machine *machine;
58};
59
60/* Native host kernel uses -1 as pid index in machine */
61#define HOST_KERNEL_ID (-1)
62#define DEFAULT_GUEST_KERNEL_ID (0)
63
64struct machine {
65 struct rb_node rb_node;
66 pid_t pid;
67 u16 id_hdr_size;
68 char *root_dir;
69 struct rb_root threads;
70 struct list_head dead_threads;
71 struct thread *last_match;
72 struct list_head user_dsos;
73 struct list_head kernel_dsos;
74 struct map_groups kmaps;
75 struct map *vmlinux_maps[MAP__NR_TYPES];
76};
77
78static inline
79struct map *machine__kernel_map(struct machine *self, enum map_type type)
80{
81 return self->vmlinux_maps[type];
82}
83
84static inline struct kmap *map__kmap(struct map *self)
85{
86 return (struct kmap *)(self + 1);
87}
88
89static inline u64 map__map_ip(struct map *map, u64 ip)
90{
91 return ip - map->start + map->pgoff;
92}
93
94static inline u64 map__unmap_ip(struct map *map, u64 ip)
95{
96 return ip + map->start - map->pgoff;
97}
98
99static inline u64 identity__map_ip(struct map *map __used, u64 ip)
100{
101 return ip;
102}
103
104
105/* rip/ip <-> addr suitable for passing to `objdump --start-address=` */
106u64 map__rip_2objdump(struct map *map, u64 rip);
107u64 map__objdump_2ip(struct map *map, u64 addr);
108
109struct symbol;
110
111typedef int (*symbol_filter_t)(struct map *map, struct symbol *sym);
112
113void map__init(struct map *self, enum map_type type,
114 u64 start, u64 end, u64 pgoff, struct dso *dso);
115struct map *map__new(struct list_head *dsos__list, u64 start, u64 len,
116 u64 pgoff, u32 pid, char *filename,
117 enum map_type type);
118void map__delete(struct map *self);
119struct map *map__clone(struct map *self);
120int map__overlap(struct map *l, struct map *r);
121size_t map__fprintf(struct map *self, FILE *fp);
122size_t map__fprintf_dsoname(struct map *map, FILE *fp);
123
124int map__load(struct map *self, symbol_filter_t filter);
125struct symbol *map__find_symbol(struct map *self,
126 u64 addr, symbol_filter_t filter);
127struct symbol *map__find_symbol_by_name(struct map *self, const char *name,
128 symbol_filter_t filter);
129void map__fixup_start(struct map *self);
130void map__fixup_end(struct map *self);
131
132void map__reloc_vmlinux(struct map *self);
133
134size_t __map_groups__fprintf_maps(struct map_groups *mg,
135 enum map_type type, int verbose, FILE *fp);
136void maps__insert(struct rb_root *maps, struct map *map);
137void maps__remove(struct rb_root *maps, struct map *map);
138struct map *maps__find(struct rb_root *maps, u64 addr);
139void map_groups__init(struct map_groups *mg);
140void map_groups__exit(struct map_groups *mg);
141int map_groups__clone(struct map_groups *mg,
142 struct map_groups *parent, enum map_type type);
143size_t map_groups__fprintf(struct map_groups *mg, int verbose, FILE *fp);
144size_t map_groups__fprintf_maps(struct map_groups *mg, int verbose, FILE *fp);
145
146typedef void (*machine__process_t)(struct machine *self, void *data);
147
148void machines__process(struct rb_root *self, machine__process_t process, void *data);
149struct machine *machines__add(struct rb_root *self, pid_t pid,
150 const char *root_dir);
151struct machine *machines__find_host(struct rb_root *self);
152struct machine *machines__find(struct rb_root *self, pid_t pid);
153struct machine *machines__findnew(struct rb_root *self, pid_t pid);
154char *machine__mmap_name(struct machine *self, char *bf, size_t size);
155int machine__init(struct machine *self, const char *root_dir, pid_t pid);
156void machine__exit(struct machine *self);
157void machine__delete(struct machine *self);
158
159int machine__resolve_callchain(struct machine *machine,
160 struct perf_evsel *evsel, struct thread *thread,
161 struct ip_callchain *chain,
162 struct symbol **parent);
163int maps__set_kallsyms_ref_reloc_sym(struct map **maps, const char *symbol_name,
164 u64 addr);
165
166/*
167 * Default guest kernel is defined by parameter --guestkallsyms
168 * and --guestmodules
169 */
170static inline bool machine__is_default_guest(struct machine *self)
171{
172 return self ? self->pid == DEFAULT_GUEST_KERNEL_ID : false;
173}
174
175static inline bool machine__is_host(struct machine *self)
176{
177 return self ? self->pid == HOST_KERNEL_ID : false;
178}
179
180static inline void map_groups__insert(struct map_groups *mg, struct map *map)
181{
182 maps__insert(&mg->maps[map->type], map);
183 map->groups = mg;
184}
185
186static inline void map_groups__remove(struct map_groups *mg, struct map *map)
187{
188 maps__remove(&mg->maps[map->type], map);
189}
190
191static inline struct map *map_groups__find(struct map_groups *mg,
192 enum map_type type, u64 addr)
193{
194 return maps__find(&mg->maps[type], addr);
195}
196
197struct symbol *map_groups__find_symbol(struct map_groups *mg,
198 enum map_type type, u64 addr,
199 struct map **mapp,
200 symbol_filter_t filter);
201
202struct symbol *map_groups__find_symbol_by_name(struct map_groups *mg,
203 enum map_type type,
204 const char *name,
205 struct map **mapp,
206 symbol_filter_t filter);
207
208
209struct thread *machine__findnew_thread(struct machine *machine, pid_t pid);
210void machine__remove_thread(struct machine *machine, struct thread *th);
211
212size_t machine__fprintf(struct machine *machine, FILE *fp);
213
214static inline
215struct symbol *machine__find_kernel_symbol(struct machine *self,
216 enum map_type type, u64 addr,
217 struct map **mapp,
218 symbol_filter_t filter)
219{
220 return map_groups__find_symbol(&self->kmaps, type, addr, mapp, filter);
221}
222
223static inline
224struct symbol *machine__find_kernel_function(struct machine *self, u64 addr,
225 struct map **mapp,
226 symbol_filter_t filter)
227{
228 return machine__find_kernel_symbol(self, MAP__FUNCTION, addr, mapp, filter);
229}
230
231static inline
232struct symbol *map_groups__find_function_by_name(struct map_groups *mg,
233 const char *name, struct map **mapp,
234 symbol_filter_t filter)
235{
236 return map_groups__find_symbol_by_name(mg, MAP__FUNCTION, name, mapp, filter);
237}
238
239static inline
240struct symbol *machine__find_kernel_function_by_name(struct machine *self,
241 const char *name,
242 struct map **mapp,
243 symbol_filter_t filter)
244{
245 return map_groups__find_function_by_name(&self->kmaps, name, mapp,
246 filter);
247}
248
249int map_groups__fixup_overlappings(struct map_groups *mg, struct map *map,
250 int verbose, FILE *fp);
251
252struct map *map_groups__find_by_name(struct map_groups *mg,
253 enum map_type type, const char *name);
254struct map *machine__new_module(struct machine *self, u64 start, const char *filename);
255
256void map_groups__flush(struct map_groups *mg);
257
258#endif /* __PERF_MAP_H */