Commit | Line | Data |
---|---|---|
66e274f3 | 1 | #include "symbol.h" |
c6e718ff | 2 | #include <errno.h> |
9486aa38 | 3 | #include <inttypes.h> |
4b8cf846 | 4 | #include <limits.h> |
66e274f3 FW |
5 | #include <stdlib.h> |
6 | #include <string.h> | |
7 | #include <stdio.h> | |
a1645ce1 | 8 | #include <unistd.h> |
4b8cf846 | 9 | #include "map.h" |
5cd95c2d | 10 | #include "thread.h" |
c80c3c26 | 11 | #include "strlist.h" |
7dbf4dcf | 12 | #include "vdso.h" |
ebb296c2 | 13 | #include "build-id.h" |
cc8fae1d | 14 | #include "util.h" |
acebd408 | 15 | #include "debug.h" |
2a03068c | 16 | #include "machine.h" |
8e16017d | 17 | #include <linux/string.h> |
66e274f3 | 18 | |
3846df2e ACM |
19 | const char *map_type__name[MAP__NR_TYPES] = { |
20 | [MAP__FUNCTION] = "Functions", | |
21 | [MAP__VARIABLE] = "Variables", | |
22 | }; | |
23 | ||
66e274f3 FW |
24 | static inline int is_anon_memory(const char *filename) |
25 | { | |
d0528b5d | 26 | return !strcmp(filename, "//anon") || |
89365e6c | 27 | !strcmp(filename, "/dev/zero (deleted)") || |
d0528b5d | 28 | !strcmp(filename, "/anon_hugepage (deleted)"); |
66e274f3 FW |
29 | } |
30 | ||
87ffef79 JO |
31 | static inline int is_no_dso_memory(const char *filename) |
32 | { | |
1e82574d | 33 | return !strncmp(filename, "[stack", 6) || |
87ffef79 JO |
34 | !strcmp(filename, "[heap]"); |
35 | } | |
36 | ||
eca81836 ML |
37 | static inline int is_android_lib(const char *filename) |
38 | { | |
39 | return !strncmp(filename, "/data/app-lib", 13) || | |
40 | !strncmp(filename, "/system/lib", 11); | |
41 | } | |
42 | ||
43 | static inline bool replace_android_lib(const char *filename, char *newfilename) | |
44 | { | |
45 | const char *libname; | |
46 | char *app_abi; | |
47 | size_t app_abi_length, new_length; | |
48 | size_t lib_length = 0; | |
49 | ||
50 | libname = strrchr(filename, '/'); | |
51 | if (libname) | |
52 | lib_length = strlen(libname); | |
53 | ||
54 | app_abi = getenv("APP_ABI"); | |
55 | if (!app_abi) | |
56 | return false; | |
57 | ||
58 | app_abi_length = strlen(app_abi); | |
59 | ||
60 | if (!strncmp(filename, "/data/app-lib", 13)) { | |
61 | char *apk_path; | |
62 | ||
63 | if (!app_abi_length) | |
64 | return false; | |
65 | ||
66 | new_length = 7 + app_abi_length + lib_length; | |
67 | ||
68 | apk_path = getenv("APK_PATH"); | |
69 | if (apk_path) { | |
70 | new_length += strlen(apk_path) + 1; | |
71 | if (new_length > PATH_MAX) | |
72 | return false; | |
73 | snprintf(newfilename, new_length, | |
74 | "%s/libs/%s/%s", apk_path, app_abi, libname); | |
75 | } else { | |
76 | if (new_length > PATH_MAX) | |
77 | return false; | |
78 | snprintf(newfilename, new_length, | |
79 | "libs/%s/%s", app_abi, libname); | |
80 | } | |
81 | return true; | |
82 | } | |
83 | ||
84 | if (!strncmp(filename, "/system/lib/", 11)) { | |
85 | char *ndk, *app; | |
86 | const char *arch; | |
87 | size_t ndk_length; | |
88 | size_t app_length; | |
89 | ||
90 | ndk = getenv("NDK_ROOT"); | |
91 | app = getenv("APP_PLATFORM"); | |
92 | ||
93 | if (!(ndk && app)) | |
94 | return false; | |
95 | ||
96 | ndk_length = strlen(ndk); | |
97 | app_length = strlen(app); | |
98 | ||
99 | if (!(ndk_length && app_length && app_abi_length)) | |
100 | return false; | |
101 | ||
102 | arch = !strncmp(app_abi, "arm", 3) ? "arm" : | |
103 | !strncmp(app_abi, "mips", 4) ? "mips" : | |
104 | !strncmp(app_abi, "x86", 3) ? "x86" : NULL; | |
105 | ||
106 | if (!arch) | |
107 | return false; | |
108 | ||
109 | new_length = 27 + ndk_length + | |
110 | app_length + lib_length | |
111 | + strlen(arch); | |
112 | ||
113 | if (new_length > PATH_MAX) | |
114 | return false; | |
115 | snprintf(newfilename, new_length, | |
116 | "%s/platforms/%s/arch-%s/usr/lib/%s", | |
117 | ndk, app, arch, libname); | |
118 | ||
119 | return true; | |
120 | } | |
121 | return false; | |
122 | } | |
123 | ||
237a7e04 | 124 | void map__init(struct map *map, enum map_type type, |
3610583c | 125 | u64 start, u64 end, u64 pgoff, struct dso *dso) |
afb7b4f0 | 126 | { |
237a7e04 ACM |
127 | map->type = type; |
128 | map->start = start; | |
129 | map->end = end; | |
130 | map->pgoff = pgoff; | |
9176753d | 131 | map->reloc = 0; |
237a7e04 ACM |
132 | map->dso = dso; |
133 | map->map_ip = map__map_ip; | |
134 | map->unmap_ip = map__unmap_ip; | |
135 | RB_CLEAR_NODE(&map->rb_node); | |
136 | map->groups = NULL; | |
137 | map->referenced = false; | |
138 | map->erange_warned = false; | |
afb7b4f0 ACM |
139 | } |
140 | ||
2a03068c | 141 | struct map *map__new(struct machine *machine, u64 start, u64 len, |
5c5e854b | 142 | u64 pgoff, u32 pid, u32 d_maj, u32 d_min, u64 ino, |
7ef80703 | 143 | u64 ino_gen, u32 prot, u32 flags, char *filename, |
5835edda | 144 | enum map_type type, struct thread *thread) |
66e274f3 | 145 | { |
237a7e04 | 146 | struct map *map = malloc(sizeof(*map)); |
66e274f3 | 147 | |
237a7e04 | 148 | if (map != NULL) { |
66e274f3 | 149 | char newfilename[PATH_MAX]; |
afb7b4f0 | 150 | struct dso *dso; |
eca81836 | 151 | int anon, no_dso, vdso, android; |
66e274f3 | 152 | |
eca81836 | 153 | android = is_android_lib(filename); |
66e274f3 | 154 | anon = is_anon_memory(filename); |
7dbf4dcf | 155 | vdso = is_vdso_map(filename); |
87ffef79 | 156 | no_dso = is_no_dso_memory(filename); |
66e274f3 | 157 | |
5c5e854b SE |
158 | map->maj = d_maj; |
159 | map->min = d_min; | |
160 | map->ino = ino; | |
161 | map->ino_generation = ino_gen; | |
7ef80703 DZ |
162 | map->prot = prot; |
163 | map->flags = flags; | |
5c5e854b | 164 | |
578c03c8 | 165 | if ((anon || no_dso) && type == MAP__FUNCTION) { |
b177f63f | 166 | snprintf(newfilename, sizeof(newfilename), "/tmp/perf-%d.map", pid); |
66e274f3 FW |
167 | filename = newfilename; |
168 | } | |
169 | ||
eca81836 ML |
170 | if (android) { |
171 | if (replace_android_lib(filename, newfilename)) | |
172 | filename = newfilename; | |
173 | } | |
174 | ||
7dbf4dcf JO |
175 | if (vdso) { |
176 | pgoff = 0; | |
5835edda | 177 | dso = vdso__dso_findnew(machine, thread); |
7dbf4dcf | 178 | } else |
2a03068c | 179 | dso = __dsos__findnew(&machine->user_dsos, filename); |
7dbf4dcf | 180 | |
afb7b4f0 | 181 | if (dso == NULL) |
66e274f3 FW |
182 | goto out_delete; |
183 | ||
237a7e04 | 184 | map__init(map, type, start, start + len, pgoff, dso); |
afb7b4f0 | 185 | |
87ffef79 | 186 | if (anon || no_dso) { |
237a7e04 | 187 | map->map_ip = map->unmap_ip = identity__map_ip; |
87ffef79 JO |
188 | |
189 | /* | |
190 | * Set memory without DSO as loaded. All map__find_* | |
191 | * functions still return NULL, and we avoid the | |
192 | * unnecessary map__load warning. | |
193 | */ | |
578c03c8 | 194 | if (type != MAP__FUNCTION) |
237a7e04 | 195 | dso__set_loaded(dso, map->type); |
8d92c02a | 196 | } |
66e274f3 | 197 | } |
237a7e04 | 198 | return map; |
66e274f3 | 199 | out_delete: |
237a7e04 | 200 | free(map); |
66e274f3 FW |
201 | return NULL; |
202 | } | |
203 | ||
e5a1845f NK |
204 | /* |
205 | * Constructor variant for modules (where we know from /proc/modules where | |
206 | * they are loaded) and for vmlinux, where only after we load all the | |
207 | * symbols we'll know where it starts and ends. | |
208 | */ | |
209 | struct map *map__new2(u64 start, struct dso *dso, enum map_type type) | |
210 | { | |
211 | struct map *map = calloc(1, (sizeof(*map) + | |
212 | (dso->kernel ? sizeof(struct kmap) : 0))); | |
213 | if (map != NULL) { | |
214 | /* | |
215 | * ->end will be filled after we load all the symbols | |
216 | */ | |
217 | map__init(map, type, start, 0, 0, dso); | |
218 | } | |
219 | ||
220 | return map; | |
221 | } | |
222 | ||
237a7e04 | 223 | void map__delete(struct map *map) |
c338aee8 | 224 | { |
237a7e04 | 225 | free(map); |
c338aee8 ACM |
226 | } |
227 | ||
237a7e04 | 228 | void map__fixup_start(struct map *map) |
c338aee8 | 229 | { |
237a7e04 | 230 | struct rb_root *symbols = &map->dso->symbols[map->type]; |
fcf1203a | 231 | struct rb_node *nd = rb_first(symbols); |
c338aee8 ACM |
232 | if (nd != NULL) { |
233 | struct symbol *sym = rb_entry(nd, struct symbol, rb_node); | |
237a7e04 | 234 | map->start = sym->start; |
c338aee8 ACM |
235 | } |
236 | } | |
237 | ||
237a7e04 | 238 | void map__fixup_end(struct map *map) |
c338aee8 | 239 | { |
237a7e04 | 240 | struct rb_root *symbols = &map->dso->symbols[map->type]; |
fcf1203a | 241 | struct rb_node *nd = rb_last(symbols); |
c338aee8 ACM |
242 | if (nd != NULL) { |
243 | struct symbol *sym = rb_entry(nd, struct symbol, rb_node); | |
237a7e04 | 244 | map->end = sym->end; |
c338aee8 ACM |
245 | } |
246 | } | |
247 | ||
d70a5402 ACM |
248 | #define DSO__DELETED "(deleted)" |
249 | ||
237a7e04 | 250 | int map__load(struct map *map, symbol_filter_t filter) |
66bd8424 | 251 | { |
237a7e04 | 252 | const char *name = map->dso->long_name; |
a128168d | 253 | int nr; |
79406cd7 | 254 | |
237a7e04 | 255 | if (dso__loaded(map->dso, map->type)) |
a128168d MH |
256 | return 0; |
257 | ||
237a7e04 | 258 | nr = dso__load(map->dso, map, filter); |
79406cd7 | 259 | if (nr < 0) { |
237a7e04 | 260 | if (map->dso->has_build_id) { |
79406cd7 ACM |
261 | char sbuild_id[BUILD_ID_SIZE * 2 + 1]; |
262 | ||
237a7e04 ACM |
263 | build_id__sprintf(map->dso->build_id, |
264 | sizeof(map->dso->build_id), | |
79406cd7 ACM |
265 | sbuild_id); |
266 | pr_warning("%s with build id %s not found", | |
267 | name, sbuild_id); | |
268 | } else | |
269 | pr_warning("Failed to open %s", name); | |
270 | ||
271 | pr_warning(", continuing without symbols\n"); | |
272 | return -1; | |
273 | } else if (nr == 0) { | |
89fe808a | 274 | #ifdef HAVE_LIBELF_SUPPORT |
79406cd7 ACM |
275 | const size_t len = strlen(name); |
276 | const size_t real_len = len - sizeof(DSO__DELETED); | |
277 | ||
278 | if (len > sizeof(DSO__DELETED) && | |
279 | strcmp(name + real_len + 1, DSO__DELETED) == 0) { | |
e77b15bd DA |
280 | pr_warning("%.*s was updated (is prelink enabled?). " |
281 | "Restart the long running apps that use it!\n", | |
79406cd7 ACM |
282 | (int)real_len, name); |
283 | } else { | |
284 | pr_warning("no symbols found in %s, maybe install " | |
285 | "a debug package?\n", name); | |
66bd8424 | 286 | } |
393be2e3 | 287 | #endif |
79406cd7 | 288 | return -1; |
66bd8424 ACM |
289 | } |
290 | ||
79406cd7 ACM |
291 | return 0; |
292 | } | |
293 | ||
237a7e04 | 294 | struct symbol *map__find_symbol(struct map *map, u64 addr, |
9de89fe7 | 295 | symbol_filter_t filter) |
79406cd7 | 296 | { |
237a7e04 | 297 | if (map__load(map, filter) < 0) |
79406cd7 ACM |
298 | return NULL; |
299 | ||
237a7e04 | 300 | return dso__find_symbol(map->dso, map->type, addr); |
66bd8424 ACM |
301 | } |
302 | ||
237a7e04 | 303 | struct symbol *map__find_symbol_by_name(struct map *map, const char *name, |
79406cd7 ACM |
304 | symbol_filter_t filter) |
305 | { | |
237a7e04 | 306 | if (map__load(map, filter) < 0) |
79406cd7 ACM |
307 | return NULL; |
308 | ||
237a7e04 ACM |
309 | if (!dso__sorted_by_name(map->dso, map->type)) |
310 | dso__sort_by_name(map->dso, map->type); | |
79406cd7 | 311 | |
237a7e04 | 312 | return dso__find_symbol_by_name(map->dso, map->type, name); |
79406cd7 ACM |
313 | } |
314 | ||
237a7e04 | 315 | struct map *map__clone(struct map *map) |
66e274f3 | 316 | { |
8e16017d | 317 | return memdup(map, sizeof(*map)); |
66e274f3 FW |
318 | } |
319 | ||
320 | int map__overlap(struct map *l, struct map *r) | |
321 | { | |
322 | if (l->start > r->start) { | |
323 | struct map *t = l; | |
324 | l = r; | |
325 | r = t; | |
326 | } | |
327 | ||
328 | if (l->end > r->start) | |
329 | return 1; | |
330 | ||
331 | return 0; | |
332 | } | |
333 | ||
237a7e04 | 334 | size_t map__fprintf(struct map *map, FILE *fp) |
66e274f3 | 335 | { |
9486aa38 | 336 | return fprintf(fp, " %" PRIx64 "-%" PRIx64 " %" PRIx64 " %s\n", |
237a7e04 | 337 | map->start, map->end, map->pgoff, map->dso->name); |
66e274f3 | 338 | } |
7a2b6209 | 339 | |
547a92e0 AN |
340 | size_t map__fprintf_dsoname(struct map *map, FILE *fp) |
341 | { | |
8f28f19a | 342 | const char *dsoname = "[unknown]"; |
547a92e0 | 343 | |
0bc8d205 AN |
344 | if (map && map->dso && (map->dso->name || map->dso->long_name)) { |
345 | if (symbol_conf.show_kernel_path && map->dso->long_name) | |
346 | dsoname = map->dso->long_name; | |
347 | else if (map->dso->name) | |
348 | dsoname = map->dso->name; | |
8f28f19a | 349 | } |
547a92e0 AN |
350 | |
351 | return fprintf(fp, "%s", dsoname); | |
352 | } | |
353 | ||
cc8fae1d AH |
354 | int map__fprintf_srcline(struct map *map, u64 addr, const char *prefix, |
355 | FILE *fp) | |
356 | { | |
357 | char *srcline; | |
358 | int ret = 0; | |
359 | ||
360 | if (map && map->dso) { | |
361 | srcline = get_srcline(map->dso, | |
362 | map__rip_2objdump(map, addr)); | |
363 | if (srcline != SRCLINE_UNKNOWN) | |
364 | ret = fprintf(fp, "%s%s", prefix, srcline); | |
365 | free_srcline(srcline); | |
366 | } | |
367 | return ret; | |
368 | } | |
369 | ||
1d5077bd AH |
370 | /** |
371 | * map__rip_2objdump - convert symbol start address to objdump address. | |
372 | * @map: memory map | |
373 | * @rip: symbol start address | |
374 | * | |
7a2b6209 | 375 | * objdump wants/reports absolute IPs for ET_EXEC, and RIPs for ET_DYN. |
0131c4ec AH |
376 | * map->dso->adjust_symbols==1 for ET_EXEC-like cases except ET_REL which is |
377 | * relative to section start. | |
1d5077bd AH |
378 | * |
379 | * Return: Address suitable for passing to "objdump --start-address=" | |
7a2b6209 KS |
380 | */ |
381 | u64 map__rip_2objdump(struct map *map, u64 rip) | |
382 | { | |
0131c4ec AH |
383 | if (!map->dso->adjust_symbols) |
384 | return rip; | |
385 | ||
386 | if (map->dso->rel) | |
387 | return rip - map->pgoff; | |
388 | ||
9176753d | 389 | return map->unmap_ip(map, rip) - map->reloc; |
7a2b6209 | 390 | } |
ee11b90b | 391 | |
1d5077bd AH |
392 | /** |
393 | * map__objdump_2mem - convert objdump address to a memory address. | |
394 | * @map: memory map | |
395 | * @ip: objdump address | |
396 | * | |
397 | * Closely related to map__rip_2objdump(), this function takes an address from | |
398 | * objdump and converts it to a memory address. Note this assumes that @map | |
399 | * contains the address. To be sure the result is valid, check it forwards | |
400 | * e.g. map__rip_2objdump(map->map_ip(map, map__objdump_2mem(map, ip))) == ip | |
401 | * | |
402 | * Return: Memory address. | |
403 | */ | |
404 | u64 map__objdump_2mem(struct map *map, u64 ip) | |
405 | { | |
406 | if (!map->dso->adjust_symbols) | |
407 | return map->unmap_ip(map, ip); | |
408 | ||
409 | if (map->dso->rel) | |
410 | return map->unmap_ip(map, ip + map->pgoff); | |
411 | ||
9176753d | 412 | return ip + map->reloc; |
1d5077bd AH |
413 | } |
414 | ||
98dfd55d | 415 | void map_groups__init(struct map_groups *mg) |
c6e718ff ACM |
416 | { |
417 | int i; | |
418 | for (i = 0; i < MAP__NR_TYPES; ++i) { | |
98dfd55d ACM |
419 | mg->maps[i] = RB_ROOT; |
420 | INIT_LIST_HEAD(&mg->removed_maps[i]); | |
c6e718ff | 421 | } |
98dfd55d | 422 | mg->machine = NULL; |
a26ca671 | 423 | mg->refcnt = 1; |
c6e718ff ACM |
424 | } |
425 | ||
98dfd55d | 426 | static void maps__delete(struct rb_root *maps) |
591765fd | 427 | { |
98dfd55d | 428 | struct rb_node *next = rb_first(maps); |
591765fd ACM |
429 | |
430 | while (next) { | |
431 | struct map *pos = rb_entry(next, struct map, rb_node); | |
432 | ||
433 | next = rb_next(&pos->rb_node); | |
98dfd55d | 434 | rb_erase(&pos->rb_node, maps); |
591765fd ACM |
435 | map__delete(pos); |
436 | } | |
437 | } | |
438 | ||
98dfd55d | 439 | static void maps__delete_removed(struct list_head *maps) |
591765fd ACM |
440 | { |
441 | struct map *pos, *n; | |
442 | ||
98dfd55d | 443 | list_for_each_entry_safe(pos, n, maps, node) { |
591765fd ACM |
444 | list_del(&pos->node); |
445 | map__delete(pos); | |
446 | } | |
447 | } | |
448 | ||
98dfd55d | 449 | void map_groups__exit(struct map_groups *mg) |
591765fd ACM |
450 | { |
451 | int i; | |
452 | ||
453 | for (i = 0; i < MAP__NR_TYPES; ++i) { | |
98dfd55d ACM |
454 | maps__delete(&mg->maps[i]); |
455 | maps__delete_removed(&mg->removed_maps[i]); | |
591765fd ACM |
456 | } |
457 | } | |
458 | ||
29ce3612 AH |
459 | bool map_groups__empty(struct map_groups *mg) |
460 | { | |
461 | int i; | |
462 | ||
463 | for (i = 0; i < MAP__NR_TYPES; ++i) { | |
464 | if (maps__first(&mg->maps[i])) | |
465 | return false; | |
466 | if (!list_empty(&mg->removed_maps[i])) | |
467 | return false; | |
468 | } | |
469 | ||
470 | return true; | |
471 | } | |
472 | ||
93d5731d ACM |
473 | struct map_groups *map_groups__new(void) |
474 | { | |
475 | struct map_groups *mg = malloc(sizeof(*mg)); | |
476 | ||
477 | if (mg != NULL) | |
478 | map_groups__init(mg); | |
479 | ||
480 | return mg; | |
481 | } | |
482 | ||
483 | void map_groups__delete(struct map_groups *mg) | |
484 | { | |
485 | map_groups__exit(mg); | |
486 | free(mg); | |
487 | } | |
488 | ||
a26ca671 ACM |
489 | void map_groups__put(struct map_groups *mg) |
490 | { | |
491 | if (--mg->refcnt == 0) | |
492 | map_groups__delete(mg); | |
493 | } | |
494 | ||
98dfd55d | 495 | void map_groups__flush(struct map_groups *mg) |
c6e718ff ACM |
496 | { |
497 | int type; | |
498 | ||
499 | for (type = 0; type < MAP__NR_TYPES; type++) { | |
98dfd55d | 500 | struct rb_root *root = &mg->maps[type]; |
c6e718ff ACM |
501 | struct rb_node *next = rb_first(root); |
502 | ||
503 | while (next) { | |
504 | struct map *pos = rb_entry(next, struct map, rb_node); | |
505 | next = rb_next(&pos->rb_node); | |
506 | rb_erase(&pos->rb_node, root); | |
507 | /* | |
508 | * We may have references to this map, for | |
509 | * instance in some hist_entry instances, so | |
510 | * just move them to a separate list. | |
511 | */ | |
98dfd55d | 512 | list_add_tail(&pos->node, &mg->removed_maps[pos->type]); |
c6e718ff ACM |
513 | } |
514 | } | |
515 | } | |
516 | ||
98dfd55d | 517 | struct symbol *map_groups__find_symbol(struct map_groups *mg, |
4b8cf846 | 518 | enum map_type type, u64 addr, |
7e5e1b14 | 519 | struct map **mapp, |
4b8cf846 ACM |
520 | symbol_filter_t filter) |
521 | { | |
98dfd55d | 522 | struct map *map = map_groups__find(mg, type, addr); |
4b8cf846 | 523 | |
4afc81cd MH |
524 | /* Ensure map is loaded before using map->map_ip */ |
525 | if (map != NULL && map__load(map, filter) >= 0) { | |
7e5e1b14 ACM |
526 | if (mapp != NULL) |
527 | *mapp = map; | |
4b8cf846 | 528 | return map__find_symbol(map, map->map_ip(map, addr), filter); |
7e5e1b14 ACM |
529 | } |
530 | ||
531 | return NULL; | |
532 | } | |
533 | ||
98dfd55d | 534 | struct symbol *map_groups__find_symbol_by_name(struct map_groups *mg, |
7e5e1b14 ACM |
535 | enum map_type type, |
536 | const char *name, | |
537 | struct map **mapp, | |
538 | symbol_filter_t filter) | |
539 | { | |
540 | struct rb_node *nd; | |
541 | ||
98dfd55d | 542 | for (nd = rb_first(&mg->maps[type]); nd; nd = rb_next(nd)) { |
7e5e1b14 ACM |
543 | struct map *pos = rb_entry(nd, struct map, rb_node); |
544 | struct symbol *sym = map__find_symbol_by_name(pos, name, filter); | |
545 | ||
546 | if (sym == NULL) | |
547 | continue; | |
548 | if (mapp != NULL) | |
549 | *mapp = pos; | |
550 | return sym; | |
551 | } | |
4b8cf846 ACM |
552 | |
553 | return NULL; | |
554 | } | |
555 | ||
4e987712 ACM |
556 | int map_groups__find_ams(struct addr_map_symbol *ams, symbol_filter_t filter) |
557 | { | |
558 | if (ams->addr < ams->map->start || ams->addr > ams->map->end) { | |
559 | if (ams->map->groups == NULL) | |
560 | return -1; | |
561 | ams->map = map_groups__find(ams->map->groups, ams->map->type, | |
562 | ams->addr); | |
563 | if (ams->map == NULL) | |
564 | return -1; | |
565 | } | |
566 | ||
567 | ams->al_addr = ams->map->map_ip(ams->map, ams->addr); | |
568 | ams->sym = map__find_symbol(ams->map, ams->al_addr, filter); | |
569 | ||
570 | return ams->sym ? 0 : -1; | |
571 | } | |
572 | ||
acebd408 JO |
573 | size_t __map_groups__fprintf_maps(struct map_groups *mg, enum map_type type, |
574 | FILE *fp) | |
c6e718ff ACM |
575 | { |
576 | size_t printed = fprintf(fp, "%s:\n", map_type__name[type]); | |
577 | struct rb_node *nd; | |
578 | ||
98dfd55d | 579 | for (nd = rb_first(&mg->maps[type]); nd; nd = rb_next(nd)) { |
c6e718ff ACM |
580 | struct map *pos = rb_entry(nd, struct map, rb_node); |
581 | printed += fprintf(fp, "Map:"); | |
582 | printed += map__fprintf(pos, fp); | |
583 | if (verbose > 2) { | |
584 | printed += dso__fprintf(pos->dso, type, fp); | |
585 | printed += fprintf(fp, "--\n"); | |
586 | } | |
587 | } | |
588 | ||
589 | return printed; | |
590 | } | |
591 | ||
acebd408 | 592 | static size_t map_groups__fprintf_maps(struct map_groups *mg, FILE *fp) |
c6e718ff ACM |
593 | { |
594 | size_t printed = 0, i; | |
595 | for (i = 0; i < MAP__NR_TYPES; ++i) | |
acebd408 | 596 | printed += __map_groups__fprintf_maps(mg, i, fp); |
c6e718ff ACM |
597 | return printed; |
598 | } | |
599 | ||
98dfd55d | 600 | static size_t __map_groups__fprintf_removed_maps(struct map_groups *mg, |
acebd408 | 601 | enum map_type type, FILE *fp) |
c6e718ff ACM |
602 | { |
603 | struct map *pos; | |
604 | size_t printed = 0; | |
605 | ||
98dfd55d | 606 | list_for_each_entry(pos, &mg->removed_maps[type], node) { |
c6e718ff ACM |
607 | printed += fprintf(fp, "Map:"); |
608 | printed += map__fprintf(pos, fp); | |
609 | if (verbose > 1) { | |
610 | printed += dso__fprintf(pos->dso, type, fp); | |
611 | printed += fprintf(fp, "--\n"); | |
612 | } | |
613 | } | |
614 | return printed; | |
615 | } | |
616 | ||
98dfd55d | 617 | static size_t map_groups__fprintf_removed_maps(struct map_groups *mg, |
acebd408 | 618 | FILE *fp) |
c6e718ff ACM |
619 | { |
620 | size_t printed = 0, i; | |
621 | for (i = 0; i < MAP__NR_TYPES; ++i) | |
acebd408 | 622 | printed += __map_groups__fprintf_removed_maps(mg, i, fp); |
c6e718ff ACM |
623 | return printed; |
624 | } | |
625 | ||
acebd408 | 626 | size_t map_groups__fprintf(struct map_groups *mg, FILE *fp) |
c6e718ff | 627 | { |
acebd408 | 628 | size_t printed = map_groups__fprintf_maps(mg, fp); |
c6e718ff | 629 | printed += fprintf(fp, "Removed maps:\n"); |
acebd408 | 630 | return printed + map_groups__fprintf_removed_maps(mg, fp); |
c6e718ff ACM |
631 | } |
632 | ||
98dfd55d | 633 | int map_groups__fixup_overlappings(struct map_groups *mg, struct map *map, |
acebd408 | 634 | FILE *fp) |
c6e718ff | 635 | { |
98dfd55d | 636 | struct rb_root *root = &mg->maps[map->type]; |
c6e718ff | 637 | struct rb_node *next = rb_first(root); |
0a1eae39 | 638 | int err = 0; |
c6e718ff ACM |
639 | |
640 | while (next) { | |
641 | struct map *pos = rb_entry(next, struct map, rb_node); | |
642 | next = rb_next(&pos->rb_node); | |
643 | ||
644 | if (!map__overlap(pos, map)) | |
645 | continue; | |
646 | ||
647 | if (verbose >= 2) { | |
648 | fputs("overlapping maps:\n", fp); | |
649 | map__fprintf(map, fp); | |
650 | map__fprintf(pos, fp); | |
651 | } | |
652 | ||
653 | rb_erase(&pos->rb_node, root); | |
c6e718ff ACM |
654 | /* |
655 | * Now check if we need to create new maps for areas not | |
656 | * overlapped by the new map: | |
657 | */ | |
658 | if (map->start > pos->start) { | |
659 | struct map *before = map__clone(pos); | |
660 | ||
0a1eae39 ACM |
661 | if (before == NULL) { |
662 | err = -ENOMEM; | |
663 | goto move_map; | |
664 | } | |
c6e718ff ACM |
665 | |
666 | before->end = map->start - 1; | |
98dfd55d | 667 | map_groups__insert(mg, before); |
c6e718ff ACM |
668 | if (verbose >= 2) |
669 | map__fprintf(before, fp); | |
670 | } | |
671 | ||
672 | if (map->end < pos->end) { | |
673 | struct map *after = map__clone(pos); | |
674 | ||
0a1eae39 ACM |
675 | if (after == NULL) { |
676 | err = -ENOMEM; | |
677 | goto move_map; | |
678 | } | |
c6e718ff ACM |
679 | |
680 | after->start = map->end + 1; | |
98dfd55d | 681 | map_groups__insert(mg, after); |
c6e718ff ACM |
682 | if (verbose >= 2) |
683 | map__fprintf(after, fp); | |
684 | } | |
0a1eae39 ACM |
685 | move_map: |
686 | /* | |
687 | * If we have references, just move them to a separate list. | |
688 | */ | |
689 | if (pos->referenced) | |
98dfd55d | 690 | list_add_tail(&pos->node, &mg->removed_maps[map->type]); |
0a1eae39 ACM |
691 | else |
692 | map__delete(pos); | |
693 | ||
694 | if (err) | |
695 | return err; | |
c6e718ff ACM |
696 | } |
697 | ||
698 | return 0; | |
699 | } | |
700 | ||
701 | /* | |
702 | * XXX This should not really _copy_ te maps, but refcount them. | |
703 | */ | |
98dfd55d | 704 | int map_groups__clone(struct map_groups *mg, |
c6e718ff ACM |
705 | struct map_groups *parent, enum map_type type) |
706 | { | |
707 | struct rb_node *nd; | |
708 | for (nd = rb_first(&parent->maps[type]); nd; nd = rb_next(nd)) { | |
709 | struct map *map = rb_entry(nd, struct map, rb_node); | |
710 | struct map *new = map__clone(map); | |
711 | if (new == NULL) | |
712 | return -ENOMEM; | |
98dfd55d | 713 | map_groups__insert(mg, new); |
c6e718ff ACM |
714 | } |
715 | return 0; | |
716 | } | |
717 | ||
4b8cf846 ACM |
718 | void maps__insert(struct rb_root *maps, struct map *map) |
719 | { | |
720 | struct rb_node **p = &maps->rb_node; | |
721 | struct rb_node *parent = NULL; | |
722 | const u64 ip = map->start; | |
723 | struct map *m; | |
724 | ||
725 | while (*p != NULL) { | |
726 | parent = *p; | |
727 | m = rb_entry(parent, struct map, rb_node); | |
728 | if (ip < m->start) | |
729 | p = &(*p)->rb_left; | |
730 | else | |
731 | p = &(*p)->rb_right; | |
732 | } | |
733 | ||
734 | rb_link_node(&map->rb_node, parent, p); | |
735 | rb_insert_color(&map->rb_node, maps); | |
736 | } | |
737 | ||
237a7e04 | 738 | void maps__remove(struct rb_root *maps, struct map *map) |
076c6e45 | 739 | { |
237a7e04 | 740 | rb_erase(&map->rb_node, maps); |
076c6e45 ACM |
741 | } |
742 | ||
4b8cf846 ACM |
743 | struct map *maps__find(struct rb_root *maps, u64 ip) |
744 | { | |
745 | struct rb_node **p = &maps->rb_node; | |
746 | struct rb_node *parent = NULL; | |
747 | struct map *m; | |
748 | ||
749 | while (*p != NULL) { | |
750 | parent = *p; | |
751 | m = rb_entry(parent, struct map, rb_node); | |
752 | if (ip < m->start) | |
753 | p = &(*p)->rb_left; | |
754 | else if (ip > m->end) | |
755 | p = &(*p)->rb_right; | |
756 | else | |
757 | return m; | |
758 | } | |
759 | ||
760 | return NULL; | |
761 | } | |
8e0cf965 AH |
762 | |
763 | struct map *maps__first(struct rb_root *maps) | |
764 | { | |
765 | struct rb_node *first = rb_first(maps); | |
766 | ||
767 | if (first) | |
768 | return rb_entry(first, struct map, rb_node); | |
769 | return NULL; | |
770 | } | |
771 | ||
772 | struct map *maps__next(struct map *map) | |
773 | { | |
774 | struct rb_node *next = rb_next(&map->rb_node); | |
775 | ||
776 | if (next) | |
777 | return rb_entry(next, struct map, rb_node); | |
778 | return NULL; | |
779 | } |