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) || |
700be564 | 34 | !strncmp(filename, "/SYSV",5) || |
87ffef79 JO |
35 | !strcmp(filename, "[heap]"); |
36 | } | |
37 | ||
eca81836 ML |
38 | static inline int is_android_lib(const char *filename) |
39 | { | |
40 | return !strncmp(filename, "/data/app-lib", 13) || | |
41 | !strncmp(filename, "/system/lib", 11); | |
42 | } | |
43 | ||
44 | static inline bool replace_android_lib(const char *filename, char *newfilename) | |
45 | { | |
46 | const char *libname; | |
47 | char *app_abi; | |
48 | size_t app_abi_length, new_length; | |
49 | size_t lib_length = 0; | |
50 | ||
51 | libname = strrchr(filename, '/'); | |
52 | if (libname) | |
53 | lib_length = strlen(libname); | |
54 | ||
55 | app_abi = getenv("APP_ABI"); | |
56 | if (!app_abi) | |
57 | return false; | |
58 | ||
59 | app_abi_length = strlen(app_abi); | |
60 | ||
61 | if (!strncmp(filename, "/data/app-lib", 13)) { | |
62 | char *apk_path; | |
63 | ||
64 | if (!app_abi_length) | |
65 | return false; | |
66 | ||
67 | new_length = 7 + app_abi_length + lib_length; | |
68 | ||
69 | apk_path = getenv("APK_PATH"); | |
70 | if (apk_path) { | |
71 | new_length += strlen(apk_path) + 1; | |
72 | if (new_length > PATH_MAX) | |
73 | return false; | |
74 | snprintf(newfilename, new_length, | |
75 | "%s/libs/%s/%s", apk_path, app_abi, libname); | |
76 | } else { | |
77 | if (new_length > PATH_MAX) | |
78 | return false; | |
79 | snprintf(newfilename, new_length, | |
80 | "libs/%s/%s", app_abi, libname); | |
81 | } | |
82 | return true; | |
83 | } | |
84 | ||
85 | if (!strncmp(filename, "/system/lib/", 11)) { | |
86 | char *ndk, *app; | |
87 | const char *arch; | |
88 | size_t ndk_length; | |
89 | size_t app_length; | |
90 | ||
91 | ndk = getenv("NDK_ROOT"); | |
92 | app = getenv("APP_PLATFORM"); | |
93 | ||
94 | if (!(ndk && app)) | |
95 | return false; | |
96 | ||
97 | ndk_length = strlen(ndk); | |
98 | app_length = strlen(app); | |
99 | ||
100 | if (!(ndk_length && app_length && app_abi_length)) | |
101 | return false; | |
102 | ||
103 | arch = !strncmp(app_abi, "arm", 3) ? "arm" : | |
104 | !strncmp(app_abi, "mips", 4) ? "mips" : | |
105 | !strncmp(app_abi, "x86", 3) ? "x86" : NULL; | |
106 | ||
107 | if (!arch) | |
108 | return false; | |
109 | ||
110 | new_length = 27 + ndk_length + | |
111 | app_length + lib_length | |
112 | + strlen(arch); | |
113 | ||
114 | if (new_length > PATH_MAX) | |
115 | return false; | |
116 | snprintf(newfilename, new_length, | |
117 | "%s/platforms/%s/arch-%s/usr/lib/%s", | |
118 | ndk, app, arch, libname); | |
119 | ||
120 | return true; | |
121 | } | |
122 | return false; | |
123 | } | |
124 | ||
237a7e04 | 125 | void map__init(struct map *map, enum map_type type, |
3610583c | 126 | u64 start, u64 end, u64 pgoff, struct dso *dso) |
afb7b4f0 | 127 | { |
237a7e04 ACM |
128 | map->type = type; |
129 | map->start = start; | |
130 | map->end = end; | |
131 | map->pgoff = pgoff; | |
9176753d | 132 | map->reloc = 0; |
237a7e04 ACM |
133 | map->dso = dso; |
134 | map->map_ip = map__map_ip; | |
135 | map->unmap_ip = map__unmap_ip; | |
136 | RB_CLEAR_NODE(&map->rb_node); | |
137 | map->groups = NULL; | |
138 | map->referenced = false; | |
139 | map->erange_warned = false; | |
afb7b4f0 ACM |
140 | } |
141 | ||
2a03068c | 142 | struct map *map__new(struct machine *machine, u64 start, u64 len, |
5c5e854b | 143 | u64 pgoff, u32 pid, u32 d_maj, u32 d_min, u64 ino, |
7ef80703 | 144 | u64 ino_gen, u32 prot, u32 flags, char *filename, |
5835edda | 145 | enum map_type type, struct thread *thread) |
66e274f3 | 146 | { |
237a7e04 | 147 | struct map *map = malloc(sizeof(*map)); |
66e274f3 | 148 | |
237a7e04 | 149 | if (map != NULL) { |
66e274f3 | 150 | char newfilename[PATH_MAX]; |
afb7b4f0 | 151 | struct dso *dso; |
eca81836 | 152 | int anon, no_dso, vdso, android; |
66e274f3 | 153 | |
eca81836 | 154 | android = is_android_lib(filename); |
66e274f3 | 155 | anon = is_anon_memory(filename); |
7dbf4dcf | 156 | vdso = is_vdso_map(filename); |
87ffef79 | 157 | no_dso = is_no_dso_memory(filename); |
66e274f3 | 158 | |
5c5e854b SE |
159 | map->maj = d_maj; |
160 | map->min = d_min; | |
161 | map->ino = ino; | |
162 | map->ino_generation = ino_gen; | |
7ef80703 DZ |
163 | map->prot = prot; |
164 | map->flags = flags; | |
5c5e854b | 165 | |
578c03c8 | 166 | if ((anon || no_dso) && type == MAP__FUNCTION) { |
b177f63f | 167 | snprintf(newfilename, sizeof(newfilename), "/tmp/perf-%d.map", pid); |
66e274f3 FW |
168 | filename = newfilename; |
169 | } | |
170 | ||
eca81836 ML |
171 | if (android) { |
172 | if (replace_android_lib(filename, newfilename)) | |
173 | filename = newfilename; | |
174 | } | |
175 | ||
7dbf4dcf JO |
176 | if (vdso) { |
177 | pgoff = 0; | |
5835edda | 178 | dso = vdso__dso_findnew(machine, thread); |
7dbf4dcf | 179 | } else |
2a03068c | 180 | dso = __dsos__findnew(&machine->user_dsos, filename); |
7dbf4dcf | 181 | |
afb7b4f0 | 182 | if (dso == NULL) |
66e274f3 FW |
183 | goto out_delete; |
184 | ||
237a7e04 | 185 | map__init(map, type, start, start + len, pgoff, dso); |
afb7b4f0 | 186 | |
87ffef79 | 187 | if (anon || no_dso) { |
237a7e04 | 188 | map->map_ip = map->unmap_ip = identity__map_ip; |
87ffef79 JO |
189 | |
190 | /* | |
191 | * Set memory without DSO as loaded. All map__find_* | |
192 | * functions still return NULL, and we avoid the | |
193 | * unnecessary map__load warning. | |
194 | */ | |
578c03c8 | 195 | if (type != MAP__FUNCTION) |
237a7e04 | 196 | dso__set_loaded(dso, map->type); |
8d92c02a | 197 | } |
66e274f3 | 198 | } |
237a7e04 | 199 | return map; |
66e274f3 | 200 | out_delete: |
237a7e04 | 201 | free(map); |
66e274f3 FW |
202 | return NULL; |
203 | } | |
204 | ||
e5a1845f NK |
205 | /* |
206 | * Constructor variant for modules (where we know from /proc/modules where | |
207 | * they are loaded) and for vmlinux, where only after we load all the | |
208 | * symbols we'll know where it starts and ends. | |
209 | */ | |
210 | struct map *map__new2(u64 start, struct dso *dso, enum map_type type) | |
211 | { | |
212 | struct map *map = calloc(1, (sizeof(*map) + | |
213 | (dso->kernel ? sizeof(struct kmap) : 0))); | |
214 | if (map != NULL) { | |
215 | /* | |
216 | * ->end will be filled after we load all the symbols | |
217 | */ | |
218 | map__init(map, type, start, 0, 0, dso); | |
219 | } | |
220 | ||
221 | return map; | |
222 | } | |
223 | ||
237a7e04 | 224 | void map__delete(struct map *map) |
c338aee8 | 225 | { |
237a7e04 | 226 | free(map); |
c338aee8 ACM |
227 | } |
228 | ||
237a7e04 | 229 | void map__fixup_start(struct map *map) |
c338aee8 | 230 | { |
237a7e04 | 231 | struct rb_root *symbols = &map->dso->symbols[map->type]; |
fcf1203a | 232 | struct rb_node *nd = rb_first(symbols); |
c338aee8 ACM |
233 | if (nd != NULL) { |
234 | struct symbol *sym = rb_entry(nd, struct symbol, rb_node); | |
237a7e04 | 235 | map->start = sym->start; |
c338aee8 ACM |
236 | } |
237 | } | |
238 | ||
237a7e04 | 239 | void map__fixup_end(struct map *map) |
c338aee8 | 240 | { |
237a7e04 | 241 | struct rb_root *symbols = &map->dso->symbols[map->type]; |
fcf1203a | 242 | struct rb_node *nd = rb_last(symbols); |
c338aee8 ACM |
243 | if (nd != NULL) { |
244 | struct symbol *sym = rb_entry(nd, struct symbol, rb_node); | |
237a7e04 | 245 | map->end = sym->end; |
c338aee8 ACM |
246 | } |
247 | } | |
248 | ||
d70a5402 ACM |
249 | #define DSO__DELETED "(deleted)" |
250 | ||
237a7e04 | 251 | int map__load(struct map *map, symbol_filter_t filter) |
66bd8424 | 252 | { |
237a7e04 | 253 | const char *name = map->dso->long_name; |
a128168d | 254 | int nr; |
79406cd7 | 255 | |
237a7e04 | 256 | if (dso__loaded(map->dso, map->type)) |
a128168d MH |
257 | return 0; |
258 | ||
237a7e04 | 259 | nr = dso__load(map->dso, map, filter); |
79406cd7 | 260 | if (nr < 0) { |
237a7e04 | 261 | if (map->dso->has_build_id) { |
79406cd7 ACM |
262 | char sbuild_id[BUILD_ID_SIZE * 2 + 1]; |
263 | ||
237a7e04 ACM |
264 | build_id__sprintf(map->dso->build_id, |
265 | sizeof(map->dso->build_id), | |
79406cd7 ACM |
266 | sbuild_id); |
267 | pr_warning("%s with build id %s not found", | |
268 | name, sbuild_id); | |
269 | } else | |
270 | pr_warning("Failed to open %s", name); | |
271 | ||
272 | pr_warning(", continuing without symbols\n"); | |
273 | return -1; | |
274 | } else if (nr == 0) { | |
89fe808a | 275 | #ifdef HAVE_LIBELF_SUPPORT |
79406cd7 ACM |
276 | const size_t len = strlen(name); |
277 | const size_t real_len = len - sizeof(DSO__DELETED); | |
278 | ||
279 | if (len > sizeof(DSO__DELETED) && | |
280 | strcmp(name + real_len + 1, DSO__DELETED) == 0) { | |
e77b15bd DA |
281 | pr_warning("%.*s was updated (is prelink enabled?). " |
282 | "Restart the long running apps that use it!\n", | |
79406cd7 ACM |
283 | (int)real_len, name); |
284 | } else { | |
285 | pr_warning("no symbols found in %s, maybe install " | |
286 | "a debug package?\n", name); | |
66bd8424 | 287 | } |
393be2e3 | 288 | #endif |
79406cd7 | 289 | return -1; |
66bd8424 ACM |
290 | } |
291 | ||
79406cd7 ACM |
292 | return 0; |
293 | } | |
294 | ||
237a7e04 | 295 | struct symbol *map__find_symbol(struct map *map, u64 addr, |
9de89fe7 | 296 | symbol_filter_t filter) |
79406cd7 | 297 | { |
237a7e04 | 298 | if (map__load(map, filter) < 0) |
79406cd7 ACM |
299 | return NULL; |
300 | ||
237a7e04 | 301 | return dso__find_symbol(map->dso, map->type, addr); |
66bd8424 ACM |
302 | } |
303 | ||
237a7e04 | 304 | struct symbol *map__find_symbol_by_name(struct map *map, const char *name, |
79406cd7 ACM |
305 | symbol_filter_t filter) |
306 | { | |
237a7e04 | 307 | if (map__load(map, filter) < 0) |
79406cd7 ACM |
308 | return NULL; |
309 | ||
237a7e04 ACM |
310 | if (!dso__sorted_by_name(map->dso, map->type)) |
311 | dso__sort_by_name(map->dso, map->type); | |
79406cd7 | 312 | |
237a7e04 | 313 | return dso__find_symbol_by_name(map->dso, map->type, name); |
79406cd7 ACM |
314 | } |
315 | ||
237a7e04 | 316 | struct map *map__clone(struct map *map) |
66e274f3 | 317 | { |
8e16017d | 318 | return memdup(map, sizeof(*map)); |
66e274f3 FW |
319 | } |
320 | ||
321 | int map__overlap(struct map *l, struct map *r) | |
322 | { | |
323 | if (l->start > r->start) { | |
324 | struct map *t = l; | |
325 | l = r; | |
326 | r = t; | |
327 | } | |
328 | ||
329 | if (l->end > r->start) | |
330 | return 1; | |
331 | ||
332 | return 0; | |
333 | } | |
334 | ||
237a7e04 | 335 | size_t map__fprintf(struct map *map, FILE *fp) |
66e274f3 | 336 | { |
9486aa38 | 337 | return fprintf(fp, " %" PRIx64 "-%" PRIx64 " %" PRIx64 " %s\n", |
237a7e04 | 338 | map->start, map->end, map->pgoff, map->dso->name); |
66e274f3 | 339 | } |
7a2b6209 | 340 | |
547a92e0 AN |
341 | size_t map__fprintf_dsoname(struct map *map, FILE *fp) |
342 | { | |
8f28f19a | 343 | const char *dsoname = "[unknown]"; |
547a92e0 | 344 | |
0bc8d205 AN |
345 | if (map && map->dso && (map->dso->name || map->dso->long_name)) { |
346 | if (symbol_conf.show_kernel_path && map->dso->long_name) | |
347 | dsoname = map->dso->long_name; | |
348 | else if (map->dso->name) | |
349 | dsoname = map->dso->name; | |
8f28f19a | 350 | } |
547a92e0 AN |
351 | |
352 | return fprintf(fp, "%s", dsoname); | |
353 | } | |
354 | ||
cc8fae1d AH |
355 | int map__fprintf_srcline(struct map *map, u64 addr, const char *prefix, |
356 | FILE *fp) | |
357 | { | |
358 | char *srcline; | |
359 | int ret = 0; | |
360 | ||
361 | if (map && map->dso) { | |
362 | srcline = get_srcline(map->dso, | |
363 | map__rip_2objdump(map, addr)); | |
364 | if (srcline != SRCLINE_UNKNOWN) | |
365 | ret = fprintf(fp, "%s%s", prefix, srcline); | |
366 | free_srcline(srcline); | |
367 | } | |
368 | return ret; | |
369 | } | |
370 | ||
1d5077bd AH |
371 | /** |
372 | * map__rip_2objdump - convert symbol start address to objdump address. | |
373 | * @map: memory map | |
374 | * @rip: symbol start address | |
375 | * | |
7a2b6209 | 376 | * objdump wants/reports absolute IPs for ET_EXEC, and RIPs for ET_DYN. |
0131c4ec AH |
377 | * map->dso->adjust_symbols==1 for ET_EXEC-like cases except ET_REL which is |
378 | * relative to section start. | |
1d5077bd AH |
379 | * |
380 | * Return: Address suitable for passing to "objdump --start-address=" | |
7a2b6209 KS |
381 | */ |
382 | u64 map__rip_2objdump(struct map *map, u64 rip) | |
383 | { | |
0131c4ec AH |
384 | if (!map->dso->adjust_symbols) |
385 | return rip; | |
386 | ||
387 | if (map->dso->rel) | |
388 | return rip - map->pgoff; | |
389 | ||
9176753d | 390 | return map->unmap_ip(map, rip) - map->reloc; |
7a2b6209 | 391 | } |
ee11b90b | 392 | |
1d5077bd AH |
393 | /** |
394 | * map__objdump_2mem - convert objdump address to a memory address. | |
395 | * @map: memory map | |
396 | * @ip: objdump address | |
397 | * | |
398 | * Closely related to map__rip_2objdump(), this function takes an address from | |
399 | * objdump and converts it to a memory address. Note this assumes that @map | |
400 | * contains the address. To be sure the result is valid, check it forwards | |
401 | * e.g. map__rip_2objdump(map->map_ip(map, map__objdump_2mem(map, ip))) == ip | |
402 | * | |
403 | * Return: Memory address. | |
404 | */ | |
405 | u64 map__objdump_2mem(struct map *map, u64 ip) | |
406 | { | |
407 | if (!map->dso->adjust_symbols) | |
408 | return map->unmap_ip(map, ip); | |
409 | ||
410 | if (map->dso->rel) | |
411 | return map->unmap_ip(map, ip + map->pgoff); | |
412 | ||
9176753d | 413 | return ip + map->reloc; |
1d5077bd AH |
414 | } |
415 | ||
98dfd55d | 416 | void map_groups__init(struct map_groups *mg) |
c6e718ff ACM |
417 | { |
418 | int i; | |
419 | for (i = 0; i < MAP__NR_TYPES; ++i) { | |
98dfd55d ACM |
420 | mg->maps[i] = RB_ROOT; |
421 | INIT_LIST_HEAD(&mg->removed_maps[i]); | |
c6e718ff | 422 | } |
98dfd55d | 423 | mg->machine = NULL; |
a26ca671 | 424 | mg->refcnt = 1; |
c6e718ff ACM |
425 | } |
426 | ||
98dfd55d | 427 | static void maps__delete(struct rb_root *maps) |
591765fd | 428 | { |
98dfd55d | 429 | struct rb_node *next = rb_first(maps); |
591765fd ACM |
430 | |
431 | while (next) { | |
432 | struct map *pos = rb_entry(next, struct map, rb_node); | |
433 | ||
434 | next = rb_next(&pos->rb_node); | |
98dfd55d | 435 | rb_erase(&pos->rb_node, maps); |
591765fd ACM |
436 | map__delete(pos); |
437 | } | |
438 | } | |
439 | ||
98dfd55d | 440 | static void maps__delete_removed(struct list_head *maps) |
591765fd ACM |
441 | { |
442 | struct map *pos, *n; | |
443 | ||
98dfd55d | 444 | list_for_each_entry_safe(pos, n, maps, node) { |
591765fd ACM |
445 | list_del(&pos->node); |
446 | map__delete(pos); | |
447 | } | |
448 | } | |
449 | ||
98dfd55d | 450 | void map_groups__exit(struct map_groups *mg) |
591765fd ACM |
451 | { |
452 | int i; | |
453 | ||
454 | for (i = 0; i < MAP__NR_TYPES; ++i) { | |
98dfd55d ACM |
455 | maps__delete(&mg->maps[i]); |
456 | maps__delete_removed(&mg->removed_maps[i]); | |
591765fd ACM |
457 | } |
458 | } | |
459 | ||
29ce3612 AH |
460 | bool map_groups__empty(struct map_groups *mg) |
461 | { | |
462 | int i; | |
463 | ||
464 | for (i = 0; i < MAP__NR_TYPES; ++i) { | |
465 | if (maps__first(&mg->maps[i])) | |
466 | return false; | |
467 | if (!list_empty(&mg->removed_maps[i])) | |
468 | return false; | |
469 | } | |
470 | ||
471 | return true; | |
472 | } | |
473 | ||
93d5731d ACM |
474 | struct map_groups *map_groups__new(void) |
475 | { | |
476 | struct map_groups *mg = malloc(sizeof(*mg)); | |
477 | ||
478 | if (mg != NULL) | |
479 | map_groups__init(mg); | |
480 | ||
481 | return mg; | |
482 | } | |
483 | ||
484 | void map_groups__delete(struct map_groups *mg) | |
485 | { | |
486 | map_groups__exit(mg); | |
487 | free(mg); | |
488 | } | |
489 | ||
a26ca671 ACM |
490 | void map_groups__put(struct map_groups *mg) |
491 | { | |
492 | if (--mg->refcnt == 0) | |
493 | map_groups__delete(mg); | |
494 | } | |
495 | ||
98dfd55d | 496 | void map_groups__flush(struct map_groups *mg) |
c6e718ff ACM |
497 | { |
498 | int type; | |
499 | ||
500 | for (type = 0; type < MAP__NR_TYPES; type++) { | |
98dfd55d | 501 | struct rb_root *root = &mg->maps[type]; |
c6e718ff ACM |
502 | struct rb_node *next = rb_first(root); |
503 | ||
504 | while (next) { | |
505 | struct map *pos = rb_entry(next, struct map, rb_node); | |
506 | next = rb_next(&pos->rb_node); | |
507 | rb_erase(&pos->rb_node, root); | |
508 | /* | |
509 | * We may have references to this map, for | |
510 | * instance in some hist_entry instances, so | |
511 | * just move them to a separate list. | |
512 | */ | |
98dfd55d | 513 | list_add_tail(&pos->node, &mg->removed_maps[pos->type]); |
c6e718ff ACM |
514 | } |
515 | } | |
516 | } | |
517 | ||
98dfd55d | 518 | struct symbol *map_groups__find_symbol(struct map_groups *mg, |
4b8cf846 | 519 | enum map_type type, u64 addr, |
7e5e1b14 | 520 | struct map **mapp, |
4b8cf846 ACM |
521 | symbol_filter_t filter) |
522 | { | |
98dfd55d | 523 | struct map *map = map_groups__find(mg, type, addr); |
4b8cf846 | 524 | |
4afc81cd MH |
525 | /* Ensure map is loaded before using map->map_ip */ |
526 | if (map != NULL && map__load(map, filter) >= 0) { | |
7e5e1b14 ACM |
527 | if (mapp != NULL) |
528 | *mapp = map; | |
4b8cf846 | 529 | return map__find_symbol(map, map->map_ip(map, addr), filter); |
7e5e1b14 ACM |
530 | } |
531 | ||
532 | return NULL; | |
533 | } | |
534 | ||
98dfd55d | 535 | struct symbol *map_groups__find_symbol_by_name(struct map_groups *mg, |
7e5e1b14 ACM |
536 | enum map_type type, |
537 | const char *name, | |
538 | struct map **mapp, | |
539 | symbol_filter_t filter) | |
540 | { | |
541 | struct rb_node *nd; | |
542 | ||
98dfd55d | 543 | for (nd = rb_first(&mg->maps[type]); nd; nd = rb_next(nd)) { |
7e5e1b14 ACM |
544 | struct map *pos = rb_entry(nd, struct map, rb_node); |
545 | struct symbol *sym = map__find_symbol_by_name(pos, name, filter); | |
546 | ||
547 | if (sym == NULL) | |
548 | continue; | |
549 | if (mapp != NULL) | |
550 | *mapp = pos; | |
551 | return sym; | |
552 | } | |
4b8cf846 ACM |
553 | |
554 | return NULL; | |
555 | } | |
556 | ||
4e987712 ACM |
557 | int map_groups__find_ams(struct addr_map_symbol *ams, symbol_filter_t filter) |
558 | { | |
77faf4d0 | 559 | if (ams->addr < ams->map->start || ams->addr >= ams->map->end) { |
4e987712 ACM |
560 | if (ams->map->groups == NULL) |
561 | return -1; | |
562 | ams->map = map_groups__find(ams->map->groups, ams->map->type, | |
563 | ams->addr); | |
564 | if (ams->map == NULL) | |
565 | return -1; | |
566 | } | |
567 | ||
568 | ams->al_addr = ams->map->map_ip(ams->map, ams->addr); | |
569 | ams->sym = map__find_symbol(ams->map, ams->al_addr, filter); | |
570 | ||
571 | return ams->sym ? 0 : -1; | |
572 | } | |
573 | ||
acebd408 JO |
574 | size_t __map_groups__fprintf_maps(struct map_groups *mg, enum map_type type, |
575 | FILE *fp) | |
c6e718ff ACM |
576 | { |
577 | size_t printed = fprintf(fp, "%s:\n", map_type__name[type]); | |
578 | struct rb_node *nd; | |
579 | ||
98dfd55d | 580 | for (nd = rb_first(&mg->maps[type]); nd; nd = rb_next(nd)) { |
c6e718ff ACM |
581 | struct map *pos = rb_entry(nd, struct map, rb_node); |
582 | printed += fprintf(fp, "Map:"); | |
583 | printed += map__fprintf(pos, fp); | |
584 | if (verbose > 2) { | |
585 | printed += dso__fprintf(pos->dso, type, fp); | |
586 | printed += fprintf(fp, "--\n"); | |
587 | } | |
588 | } | |
589 | ||
590 | return printed; | |
591 | } | |
592 | ||
acebd408 | 593 | static size_t map_groups__fprintf_maps(struct map_groups *mg, FILE *fp) |
c6e718ff ACM |
594 | { |
595 | size_t printed = 0, i; | |
596 | for (i = 0; i < MAP__NR_TYPES; ++i) | |
acebd408 | 597 | printed += __map_groups__fprintf_maps(mg, i, fp); |
c6e718ff ACM |
598 | return printed; |
599 | } | |
600 | ||
98dfd55d | 601 | static size_t __map_groups__fprintf_removed_maps(struct map_groups *mg, |
acebd408 | 602 | enum map_type type, FILE *fp) |
c6e718ff ACM |
603 | { |
604 | struct map *pos; | |
605 | size_t printed = 0; | |
606 | ||
98dfd55d | 607 | list_for_each_entry(pos, &mg->removed_maps[type], node) { |
c6e718ff ACM |
608 | printed += fprintf(fp, "Map:"); |
609 | printed += map__fprintf(pos, fp); | |
610 | if (verbose > 1) { | |
611 | printed += dso__fprintf(pos->dso, type, fp); | |
612 | printed += fprintf(fp, "--\n"); | |
613 | } | |
614 | } | |
615 | return printed; | |
616 | } | |
617 | ||
98dfd55d | 618 | static size_t map_groups__fprintf_removed_maps(struct map_groups *mg, |
acebd408 | 619 | FILE *fp) |
c6e718ff ACM |
620 | { |
621 | size_t printed = 0, i; | |
622 | for (i = 0; i < MAP__NR_TYPES; ++i) | |
acebd408 | 623 | printed += __map_groups__fprintf_removed_maps(mg, i, fp); |
c6e718ff ACM |
624 | return printed; |
625 | } | |
626 | ||
acebd408 | 627 | size_t map_groups__fprintf(struct map_groups *mg, FILE *fp) |
c6e718ff | 628 | { |
acebd408 | 629 | size_t printed = map_groups__fprintf_maps(mg, fp); |
c6e718ff | 630 | printed += fprintf(fp, "Removed maps:\n"); |
acebd408 | 631 | return printed + map_groups__fprintf_removed_maps(mg, fp); |
c6e718ff ACM |
632 | } |
633 | ||
98dfd55d | 634 | int map_groups__fixup_overlappings(struct map_groups *mg, struct map *map, |
acebd408 | 635 | FILE *fp) |
c6e718ff | 636 | { |
98dfd55d | 637 | struct rb_root *root = &mg->maps[map->type]; |
c6e718ff | 638 | struct rb_node *next = rb_first(root); |
0a1eae39 | 639 | int err = 0; |
c6e718ff ACM |
640 | |
641 | while (next) { | |
642 | struct map *pos = rb_entry(next, struct map, rb_node); | |
643 | next = rb_next(&pos->rb_node); | |
644 | ||
645 | if (!map__overlap(pos, map)) | |
646 | continue; | |
647 | ||
648 | if (verbose >= 2) { | |
649 | fputs("overlapping maps:\n", fp); | |
650 | map__fprintf(map, fp); | |
651 | map__fprintf(pos, fp); | |
652 | } | |
653 | ||
654 | rb_erase(&pos->rb_node, root); | |
c6e718ff ACM |
655 | /* |
656 | * Now check if we need to create new maps for areas not | |
657 | * overlapped by the new map: | |
658 | */ | |
659 | if (map->start > pos->start) { | |
660 | struct map *before = map__clone(pos); | |
661 | ||
0a1eae39 ACM |
662 | if (before == NULL) { |
663 | err = -ENOMEM; | |
664 | goto move_map; | |
665 | } | |
c6e718ff | 666 | |
77faf4d0 | 667 | before->end = map->start; |
98dfd55d | 668 | map_groups__insert(mg, before); |
c6e718ff ACM |
669 | if (verbose >= 2) |
670 | map__fprintf(before, fp); | |
671 | } | |
672 | ||
673 | if (map->end < pos->end) { | |
674 | struct map *after = map__clone(pos); | |
675 | ||
0a1eae39 ACM |
676 | if (after == NULL) { |
677 | err = -ENOMEM; | |
678 | goto move_map; | |
679 | } | |
c6e718ff | 680 | |
77faf4d0 | 681 | after->start = map->end; |
98dfd55d | 682 | map_groups__insert(mg, after); |
c6e718ff ACM |
683 | if (verbose >= 2) |
684 | map__fprintf(after, fp); | |
685 | } | |
0a1eae39 ACM |
686 | move_map: |
687 | /* | |
688 | * If we have references, just move them to a separate list. | |
689 | */ | |
690 | if (pos->referenced) | |
98dfd55d | 691 | list_add_tail(&pos->node, &mg->removed_maps[map->type]); |
0a1eae39 ACM |
692 | else |
693 | map__delete(pos); | |
694 | ||
695 | if (err) | |
696 | return err; | |
c6e718ff ACM |
697 | } |
698 | ||
699 | return 0; | |
700 | } | |
701 | ||
702 | /* | |
703 | * XXX This should not really _copy_ te maps, but refcount them. | |
704 | */ | |
98dfd55d | 705 | int map_groups__clone(struct map_groups *mg, |
c6e718ff ACM |
706 | struct map_groups *parent, enum map_type type) |
707 | { | |
708 | struct rb_node *nd; | |
709 | for (nd = rb_first(&parent->maps[type]); nd; nd = rb_next(nd)) { | |
710 | struct map *map = rb_entry(nd, struct map, rb_node); | |
711 | struct map *new = map__clone(map); | |
712 | if (new == NULL) | |
713 | return -ENOMEM; | |
98dfd55d | 714 | map_groups__insert(mg, new); |
c6e718ff ACM |
715 | } |
716 | return 0; | |
717 | } | |
718 | ||
4b8cf846 ACM |
719 | void maps__insert(struct rb_root *maps, struct map *map) |
720 | { | |
721 | struct rb_node **p = &maps->rb_node; | |
722 | struct rb_node *parent = NULL; | |
723 | const u64 ip = map->start; | |
724 | struct map *m; | |
725 | ||
726 | while (*p != NULL) { | |
727 | parent = *p; | |
728 | m = rb_entry(parent, struct map, rb_node); | |
729 | if (ip < m->start) | |
730 | p = &(*p)->rb_left; | |
731 | else | |
732 | p = &(*p)->rb_right; | |
733 | } | |
734 | ||
735 | rb_link_node(&map->rb_node, parent, p); | |
736 | rb_insert_color(&map->rb_node, maps); | |
737 | } | |
738 | ||
237a7e04 | 739 | void maps__remove(struct rb_root *maps, struct map *map) |
076c6e45 | 740 | { |
237a7e04 | 741 | rb_erase(&map->rb_node, maps); |
076c6e45 ACM |
742 | } |
743 | ||
4b8cf846 ACM |
744 | struct map *maps__find(struct rb_root *maps, u64 ip) |
745 | { | |
746 | struct rb_node **p = &maps->rb_node; | |
747 | struct rb_node *parent = NULL; | |
748 | struct map *m; | |
749 | ||
750 | while (*p != NULL) { | |
751 | parent = *p; | |
752 | m = rb_entry(parent, struct map, rb_node); | |
753 | if (ip < m->start) | |
754 | p = &(*p)->rb_left; | |
4955ea22 | 755 | else if (ip >= m->end) |
4b8cf846 ACM |
756 | p = &(*p)->rb_right; |
757 | else | |
758 | return m; | |
759 | } | |
760 | ||
761 | return NULL; | |
762 | } | |
8e0cf965 AH |
763 | |
764 | struct map *maps__first(struct rb_root *maps) | |
765 | { | |
766 | struct rb_node *first = rb_first(maps); | |
767 | ||
768 | if (first) | |
769 | return rb_entry(first, struct map, rb_node); | |
770 | return NULL; | |
771 | } | |
772 | ||
773 | struct map *maps__next(struct map *map) | |
774 | { | |
775 | struct rb_node *next = rb_next(&map->rb_node); | |
776 | ||
777 | if (next) | |
778 | return rb_entry(next, struct map, rb_node); | |
779 | return NULL; | |
780 | } |