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Arnaldo Carvalho de Melo4a58e612009-12-27 21:37:00 -02001#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>
Arnaldo Carvalho de Melo4b8cf842010-03-25 19:58:58 -03007#include <stdio.h>
Arnaldo Carvalho de Melo23346f22010-04-27 21:17:50 -03008#include <stdbool.h>
Arnaldo Carvalho de Melo4b8cf842010-03-25 19:58:58 -03009#include "types.h"
Arnaldo Carvalho de Melo4a58e612009-12-27 21:37:00 -020010
11enum map_type {
12 MAP__FUNCTION = 0,
13 MAP__VARIABLE,
14};
15
16#define MAP__NR_TYPES (MAP__VARIABLE + 1)
17
Arnaldo Carvalho de Melo3846df22010-02-22 16:15:39 -030018extern const char *map_type__name[MAP__NR_TYPES];
19
Arnaldo Carvalho de Melo4a58e612009-12-27 21:37:00 -020020struct dso;
Arnaldo Carvalho de Melo9de89fe2010-02-03 16:52:00 -020021struct ref_reloc_sym;
22struct map_groups;
Arnaldo Carvalho de Melo23346f22010-04-27 21:17:50 -030023struct machine;
Arnaldo Carvalho de Melo4a58e612009-12-27 21:37:00 -020024
25struct map {
26 union {
27 struct rb_node rb_node;
28 struct list_head node;
29 };
30 u64 start;
31 u64 end;
32 enum map_type type;
Arnaldo Carvalho de Melo5c0541d2010-04-29 15:25:23 -030033 u32 priv;
Arnaldo Carvalho de Melo4a58e612009-12-27 21:37:00 -020034 u64 pgoff;
Kirill Smelkov7a2b6202010-02-03 16:52:07 -020035
36 /* ip -> dso rip */
Arnaldo Carvalho de Melo4a58e612009-12-27 21:37:00 -020037 u64 (*map_ip)(struct map *, u64);
Kirill Smelkov7a2b6202010-02-03 16:52:07 -020038 /* dso rip -> ip */
Arnaldo Carvalho de Melo4a58e612009-12-27 21:37:00 -020039 u64 (*unmap_ip)(struct map *, u64);
Kirill Smelkov7a2b6202010-02-03 16:52:07 -020040
Arnaldo Carvalho de Melo4a58e612009-12-27 21:37:00 -020041 struct dso *dso;
Zhang, Yanmina1645ce2010-04-19 13:32:50 +080042 struct map_groups *groups;
Arnaldo Carvalho de Melo4a58e612009-12-27 21:37:00 -020043};
44
Arnaldo Carvalho de Melo9de89fe2010-02-03 16:52:00 -020045struct kmap {
46 struct ref_reloc_sym *ref_reloc_sym;
47 struct map_groups *kmaps;
48};
49
Zhang, Yanmina1645ce2010-04-19 13:32:50 +080050struct map_groups {
Arnaldo Carvalho de Melo23346f22010-04-27 21:17:50 -030051 struct rb_root maps[MAP__NR_TYPES];
52 struct list_head removed_maps[MAP__NR_TYPES];
53 struct machine *machine;
Zhang, Yanmina1645ce2010-04-19 13:32:50 +080054};
55
Arnaldo Carvalho de Melo23346f22010-04-27 21:17:50 -030056/* Native host kernel uses -1 as pid index in machine */
Zhang, Yanmina1645ce2010-04-19 13:32:50 +080057#define HOST_KERNEL_ID (-1)
58#define DEFAULT_GUEST_KERNEL_ID (0)
59
Arnaldo Carvalho de Melo23346f22010-04-27 21:17:50 -030060struct machine {
61 struct rb_node rb_node;
62 pid_t pid;
63 char *root_dir;
64 struct list_head user_dsos;
65 struct list_head kernel_dsos;
Zhang, Yanmina1645ce2010-04-19 13:32:50 +080066 struct map_groups kmaps;
Arnaldo Carvalho de Melo23346f22010-04-27 21:17:50 -030067 struct map *vmlinux_maps[MAP__NR_TYPES];
Zhang, Yanmina1645ce2010-04-19 13:32:50 +080068};
69
Arnaldo Carvalho de Melo5c0541d2010-04-29 15:25:23 -030070static inline
71struct map *machine__kernel_map(struct machine *self, enum map_type type)
72{
73 return self->vmlinux_maps[type];
74}
75
Arnaldo Carvalho de Melo9de89fe2010-02-03 16:52:00 -020076static inline struct kmap *map__kmap(struct map *self)
77{
78 return (struct kmap *)(self + 1);
79}
80
Arnaldo Carvalho de Melo4a58e612009-12-27 21:37:00 -020081static inline u64 map__map_ip(struct map *map, u64 ip)
82{
83 return ip - map->start + map->pgoff;
84}
85
86static inline u64 map__unmap_ip(struct map *map, u64 ip)
87{
88 return ip + map->start - map->pgoff;
89}
90
91static inline u64 identity__map_ip(struct map *map __used, u64 ip)
92{
93 return ip;
94}
95
Kirill Smelkov7a2b6202010-02-03 16:52:07 -020096
Kirill Smelkovee11b902010-02-07 11:46:15 -020097/* rip/ip <-> addr suitable for passing to `objdump --start-address=` */
Kirill Smelkov7a2b6202010-02-03 16:52:07 -020098u64 map__rip_2objdump(struct map *map, u64 rip);
Kirill Smelkovee11b902010-02-07 11:46:15 -020099u64 map__objdump_2ip(struct map *map, u64 addr);
Kirill Smelkov7a2b6202010-02-03 16:52:07 -0200100
Arnaldo Carvalho de Melo4a58e612009-12-27 21:37:00 -0200101struct symbol;
Arnaldo Carvalho de Melo4a58e612009-12-27 21:37:00 -0200102
103typedef int (*symbol_filter_t)(struct map *map, struct symbol *sym);
104
105void map__init(struct map *self, enum map_type type,
106 u64 start, u64 end, u64 pgoff, struct dso *dso);
Zhang, Yanmina1645ce2010-04-19 13:32:50 +0800107struct map *map__new(struct list_head *dsos__list, u64 start, u64 len,
108 u64 pgoff, u32 pid, char *filename,
Dave Martin361d1342010-07-27 16:40:02 +0100109 enum map_type type);
Arnaldo Carvalho de Melo4a58e612009-12-27 21:37:00 -0200110void map__delete(struct map *self);
111struct map *map__clone(struct map *self);
112int map__overlap(struct map *l, struct map *r);
113size_t map__fprintf(struct map *self, FILE *fp);
114
Arnaldo Carvalho de Melo9de89fe2010-02-03 16:52:00 -0200115int map__load(struct map *self, symbol_filter_t filter);
116struct symbol *map__find_symbol(struct map *self,
Arnaldo Carvalho de Melo4a58e612009-12-27 21:37:00 -0200117 u64 addr, symbol_filter_t filter);
118struct symbol *map__find_symbol_by_name(struct map *self, const char *name,
Arnaldo Carvalho de Melo4a58e612009-12-27 21:37:00 -0200119 symbol_filter_t filter);
120void map__fixup_start(struct map *self);
121void map__fixup_end(struct map *self);
122
Arnaldo Carvalho de Melo9de89fe2010-02-03 16:52:00 -0200123void map__reloc_vmlinux(struct map *self);
124
Arnaldo Carvalho de Melo4b8cf842010-03-25 19:58:58 -0300125size_t __map_groups__fprintf_maps(struct map_groups *self,
Arnaldo Carvalho de Meloc6e718f2010-03-26 12:11:06 -0300126 enum map_type type, int verbose, FILE *fp);
Arnaldo Carvalho de Melo4b8cf842010-03-25 19:58:58 -0300127void maps__insert(struct rb_root *maps, struct map *map);
128struct map *maps__find(struct rb_root *maps, u64 addr);
129void map_groups__init(struct map_groups *self);
Arnaldo Carvalho de Melo591765f2010-07-30 18:28:42 -0300130void map_groups__exit(struct map_groups *self);
Arnaldo Carvalho de Meloc6e718f2010-03-26 12:11:06 -0300131int map_groups__clone(struct map_groups *self,
132 struct map_groups *parent, enum map_type type);
133size_t map_groups__fprintf(struct map_groups *self, int verbose, FILE *fp);
134size_t map_groups__fprintf_maps(struct map_groups *self, int verbose, FILE *fp);
Arnaldo Carvalho de Melo4b8cf842010-03-25 19:58:58 -0300135
Arnaldo Carvalho de Melo23346f22010-04-27 21:17:50 -0300136typedef void (*machine__process_t)(struct machine *self, void *data);
137
138void machines__process(struct rb_root *self, machine__process_t process, void *data);
139struct machine *machines__add(struct rb_root *self, pid_t pid,
140 const char *root_dir);
141struct machine *machines__find_host(struct rb_root *self);
142struct machine *machines__find(struct rb_root *self, pid_t pid);
143struct machine *machines__findnew(struct rb_root *self, pid_t pid);
Arnaldo Carvalho de Melo48ea8f52010-04-27 21:19:05 -0300144char *machine__mmap_name(struct machine *self, char *bf, size_t size);
Arnaldo Carvalho de Melod28c6222010-04-27 21:20:43 -0300145int machine__init(struct machine *self, const char *root_dir, pid_t pid);
Arnaldo Carvalho de Melod65a4582010-07-30 18:31:28 -0300146void machine__exit(struct machine *self);
Zhang, Yanmina1645ce2010-04-19 13:32:50 +0800147
148/*
149 * Default guest kernel is defined by parameter --guestkallsyms
150 * and --guestmodules
151 */
Arnaldo Carvalho de Melo23346f22010-04-27 21:17:50 -0300152static inline bool machine__is_default_guest(struct machine *self)
Zhang, Yanmina1645ce2010-04-19 13:32:50 +0800153{
Arnaldo Carvalho de Melo23346f22010-04-27 21:17:50 -0300154 return self ? self->pid == DEFAULT_GUEST_KERNEL_ID : false;
Zhang, Yanmina1645ce2010-04-19 13:32:50 +0800155}
156
Arnaldo Carvalho de Melo23346f22010-04-27 21:17:50 -0300157static inline bool machine__is_host(struct machine *self)
Zhang, Yanmina1645ce2010-04-19 13:32:50 +0800158{
Arnaldo Carvalho de Melo23346f22010-04-27 21:17:50 -0300159 return self ? self->pid == HOST_KERNEL_ID : false;
Zhang, Yanmina1645ce2010-04-19 13:32:50 +0800160}
161
Arnaldo Carvalho de Melo4b8cf842010-03-25 19:58:58 -0300162static inline void map_groups__insert(struct map_groups *self, struct map *map)
163{
Zhang, Yanmina1645ce2010-04-19 13:32:50 +0800164 maps__insert(&self->maps[map->type], map);
165 map->groups = self;
Arnaldo Carvalho de Melo4b8cf842010-03-25 19:58:58 -0300166}
167
168static inline struct map *map_groups__find(struct map_groups *self,
169 enum map_type type, u64 addr)
170{
171 return maps__find(&self->maps[type], addr);
172}
173
174struct symbol *map_groups__find_symbol(struct map_groups *self,
175 enum map_type type, u64 addr,
Arnaldo Carvalho de Melo7e5e1b142010-03-26 12:30:40 -0300176 struct map **mapp,
Arnaldo Carvalho de Melo4b8cf842010-03-25 19:58:58 -0300177 symbol_filter_t filter);
178
Arnaldo Carvalho de Melo7e5e1b142010-03-26 12:30:40 -0300179struct symbol *map_groups__find_symbol_by_name(struct map_groups *self,
180 enum map_type type,
181 const char *name,
182 struct map **mapp,
183 symbol_filter_t filter);
184
Arnaldo Carvalho de Melo5c0541d2010-04-29 15:25:23 -0300185static inline
186struct symbol *machine__find_kernel_symbol(struct machine *self,
187 enum map_type type, u64 addr,
188 struct map **mapp,
189 symbol_filter_t filter)
Arnaldo Carvalho de Melo4b8cf842010-03-25 19:58:58 -0300190{
Arnaldo Carvalho de Melo5c0541d2010-04-29 15:25:23 -0300191 return map_groups__find_symbol(&self->kmaps, type, addr, mapp, filter);
192}
193
194static inline
195struct symbol *machine__find_kernel_function(struct machine *self, u64 addr,
196 struct map **mapp,
197 symbol_filter_t filter)
198{
199 return machine__find_kernel_symbol(self, MAP__FUNCTION, addr, mapp, filter);
Arnaldo Carvalho de Melo7e5e1b142010-03-26 12:30:40 -0300200}
201
202static inline
203struct symbol *map_groups__find_function_by_name(struct map_groups *self,
204 const char *name, struct map **mapp,
205 symbol_filter_t filter)
206{
207 return map_groups__find_symbol_by_name(self, MAP__FUNCTION, name, mapp, filter);
Arnaldo Carvalho de Melo4b8cf842010-03-25 19:58:58 -0300208}
209
Arnaldo Carvalho de Meloc6e718f2010-03-26 12:11:06 -0300210int map_groups__fixup_overlappings(struct map_groups *self, struct map *map,
211 int verbose, FILE *fp);
212
Arnaldo Carvalho de Melo4b8cf842010-03-25 19:58:58 -0300213struct map *map_groups__find_by_name(struct map_groups *self,
214 enum map_type type, const char *name);
Arnaldo Carvalho de Melod28c6222010-04-27 21:20:43 -0300215struct map *machine__new_module(struct machine *self, u64 start, const char *filename);
Zhang, Yanmina1645ce2010-04-19 13:32:50 +0800216
Arnaldo Carvalho de Meloc6e718f2010-03-26 12:11:06 -0300217void map_groups__flush(struct map_groups *self);
Arnaldo Carvalho de Melo4b8cf842010-03-25 19:58:58 -0300218
Arnaldo Carvalho de Melo4a58e612009-12-27 21:37:00 -0200219#endif /* __PERF_MAP_H */