Root/
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 | |
11 | enum map_type { |
12 | MAP__FUNCTION = 0, |
13 | MAP__VARIABLE, |
14 | }; |
15 | |
16 | #define MAP__NR_TYPES (MAP__VARIABLE + 1) |
17 | |
18 | extern const char *map_type__name[MAP__NR_TYPES]; |
19 | |
20 | struct dso; |
21 | struct ref_reloc_sym; |
22 | struct map_groups; |
23 | struct machine; |
24 | |
25 | struct 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 | |
46 | struct kmap { |
47 | struct ref_reloc_sym *ref_reloc_sym; |
48 | struct map_groups *kmaps; |
49 | }; |
50 | |
51 | struct 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 | |
61 | struct 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 | |
71 | static inline |
72 | struct map *machine__kernel_map(struct machine *self, enum map_type type) |
73 | { |
74 | return self->vmlinux_maps[type]; |
75 | } |
76 | |
77 | static inline struct kmap *map__kmap(struct map *self) |
78 | { |
79 | return (struct kmap *)(self + 1); |
80 | } |
81 | |
82 | static inline u64 map__map_ip(struct map *map, u64 ip) |
83 | { |
84 | return ip - map->start + map->pgoff; |
85 | } |
86 | |
87 | static inline u64 map__unmap_ip(struct map *map, u64 ip) |
88 | { |
89 | return ip + map->start - map->pgoff; |
90 | } |
91 | |
92 | static 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=` */ |
99 | u64 map__rip_2objdump(struct map *map, u64 rip); |
100 | u64 map__objdump_2ip(struct map *map, u64 addr); |
101 | |
102 | struct symbol; |
103 | |
104 | typedef int (*symbol_filter_t)(struct map *map, struct symbol *sym); |
105 | |
106 | void map__init(struct map *self, enum map_type type, |
107 | u64 start, u64 end, u64 pgoff, struct dso *dso); |
108 | struct map *map__new(struct list_head *dsos__list, u64 start, u64 len, |
109 | u64 pgoff, u32 pid, char *filename, |
110 | enum map_type type); |
111 | void map__delete(struct map *self); |
112 | struct map *map__clone(struct map *self); |
113 | int map__overlap(struct map *l, struct map *r); |
114 | size_t map__fprintf(struct map *self, FILE *fp); |
115 | |
116 | int map__load(struct map *self, symbol_filter_t filter); |
117 | struct symbol *map__find_symbol(struct map *self, |
118 | u64 addr, symbol_filter_t filter); |
119 | struct symbol *map__find_symbol_by_name(struct map *self, const char *name, |
120 | symbol_filter_t filter); |
121 | void map__fixup_start(struct map *self); |
122 | void map__fixup_end(struct map *self); |
123 | |
124 | void map__reloc_vmlinux(struct map *self); |
125 | |
126 | size_t __map_groups__fprintf_maps(struct map_groups *self, |
127 | enum map_type type, int verbose, FILE *fp); |
128 | void maps__insert(struct rb_root *maps, struct map *map); |
129 | void maps__remove(struct rb_root *self, struct map *map); |
130 | struct map *maps__find(struct rb_root *maps, u64 addr); |
131 | void map_groups__init(struct map_groups *self); |
132 | void map_groups__exit(struct map_groups *self); |
133 | int map_groups__clone(struct map_groups *self, |
134 | struct map_groups *parent, enum map_type type); |
135 | size_t map_groups__fprintf(struct map_groups *self, int verbose, FILE *fp); |
136 | size_t map_groups__fprintf_maps(struct map_groups *self, int verbose, FILE *fp); |
137 | |
138 | typedef void (*machine__process_t)(struct machine *self, void *data); |
139 | |
140 | void machines__process(struct rb_root *self, machine__process_t process, void *data); |
141 | struct machine *machines__add(struct rb_root *self, pid_t pid, |
142 | const char *root_dir); |
143 | struct machine *machines__find_host(struct rb_root *self); |
144 | struct machine *machines__find(struct rb_root *self, pid_t pid); |
145 | struct machine *machines__findnew(struct rb_root *self, pid_t pid); |
146 | char *machine__mmap_name(struct machine *self, char *bf, size_t size); |
147 | int machine__init(struct machine *self, const char *root_dir, pid_t pid); |
148 | void machine__exit(struct machine *self); |
149 | void machine__delete(struct machine *self); |
150 | |
151 | /* |
152 | * Default guest kernel is defined by parameter --guestkallsyms |
153 | * and --guestmodules |
154 | */ |
155 | static inline bool machine__is_default_guest(struct machine *self) |
156 | { |
157 | return self ? self->pid == DEFAULT_GUEST_KERNEL_ID : false; |
158 | } |
159 | |
160 | static inline bool machine__is_host(struct machine *self) |
161 | { |
162 | return self ? self->pid == HOST_KERNEL_ID : false; |
163 | } |
164 | |
165 | static 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 | |
171 | static inline void map_groups__remove(struct map_groups *self, struct map *map) |
172 | { |
173 | maps__remove(&self->maps[map->type], map); |
174 | } |
175 | |
176 | static 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 | |
182 | struct 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 | |
187 | struct 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 | |
193 | static inline |
194 | struct 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 | |
202 | static inline |
203 | struct 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 | |
210 | static inline |
211 | struct 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 | |
218 | static inline |
219 | struct 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 | |
228 | int map_groups__fixup_overlappings(struct map_groups *self, struct map *map, |
229 | int verbose, FILE *fp); |
230 | |
231 | struct map *map_groups__find_by_name(struct map_groups *self, |
232 | enum map_type type, const char *name); |
233 | struct map *machine__new_module(struct machine *self, u64 start, const char *filename); |
234 | |
235 | void map_groups__flush(struct map_groups *self); |
236 | |
237 | #endif /* __PERF_MAP_H */ |
238 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9