7 char dso__symtab_origin(const struct dso
*dso
)
9 static const char origin
[] = {
10 [DSO_BINARY_TYPE__KALLSYMS
] = 'k',
11 [DSO_BINARY_TYPE__VMLINUX
] = 'v',
12 [DSO_BINARY_TYPE__JAVA_JIT
] = 'j',
13 [DSO_BINARY_TYPE__DEBUGLINK
] = 'l',
14 [DSO_BINARY_TYPE__BUILD_ID_CACHE
] = 'B',
15 [DSO_BINARY_TYPE__FEDORA_DEBUGINFO
] = 'f',
16 [DSO_BINARY_TYPE__UBUNTU_DEBUGINFO
] = 'u',
17 [DSO_BINARY_TYPE__BUILDID_DEBUGINFO
] = 'b',
18 [DSO_BINARY_TYPE__SYSTEM_PATH_DSO
] = 'd',
19 [DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE
] = 'K',
20 [DSO_BINARY_TYPE__GUEST_KALLSYMS
] = 'g',
21 [DSO_BINARY_TYPE__GUEST_KMODULE
] = 'G',
22 [DSO_BINARY_TYPE__GUEST_VMLINUX
] = 'V',
25 if (dso
== NULL
|| dso
->symtab_type
== DSO_BINARY_TYPE__NOT_FOUND
)
27 return origin
[dso
->symtab_type
];
30 int dso__binary_type_file(struct dso
*dso
, enum dso_binary_type type
,
31 char *root_dir
, char *file
, size_t size
)
33 char build_id_hex
[BUILD_ID_SIZE
* 2 + 1];
37 case DSO_BINARY_TYPE__DEBUGLINK
: {
40 strncpy(file
, dso
->long_name
, size
);
41 debuglink
= file
+ dso
->long_name_len
;
42 while (debuglink
!= file
&& *debuglink
!= '/')
44 if (*debuglink
== '/')
46 filename__read_debuglink(dso
->long_name
, debuglink
,
47 size
- (debuglink
- file
));
50 case DSO_BINARY_TYPE__BUILD_ID_CACHE
:
51 /* skip the locally configured cache if a symfs is given */
52 if (symbol_conf
.symfs
[0] ||
53 (dso__build_id_filename(dso
, file
, size
) == NULL
))
57 case DSO_BINARY_TYPE__FEDORA_DEBUGINFO
:
58 snprintf(file
, size
, "%s/usr/lib/debug%s.debug",
59 symbol_conf
.symfs
, dso
->long_name
);
62 case DSO_BINARY_TYPE__UBUNTU_DEBUGINFO
:
63 snprintf(file
, size
, "%s/usr/lib/debug%s",
64 symbol_conf
.symfs
, dso
->long_name
);
67 case DSO_BINARY_TYPE__BUILDID_DEBUGINFO
:
68 if (!dso
->has_build_id
) {
73 build_id__sprintf(dso
->build_id
,
74 sizeof(dso
->build_id
),
77 "%s/usr/lib/debug/.build-id/%.2s/%s.debug",
78 symbol_conf
.symfs
, build_id_hex
, build_id_hex
+ 2);
81 case DSO_BINARY_TYPE__SYSTEM_PATH_DSO
:
82 snprintf(file
, size
, "%s%s",
83 symbol_conf
.symfs
, dso
->long_name
);
86 case DSO_BINARY_TYPE__GUEST_KMODULE
:
87 snprintf(file
, size
, "%s%s%s", symbol_conf
.symfs
,
88 root_dir
, dso
->long_name
);
91 case DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE
:
92 snprintf(file
, size
, "%s%s", symbol_conf
.symfs
,
97 case DSO_BINARY_TYPE__KALLSYMS
:
98 case DSO_BINARY_TYPE__VMLINUX
:
99 case DSO_BINARY_TYPE__GUEST_KALLSYMS
:
100 case DSO_BINARY_TYPE__GUEST_VMLINUX
:
101 case DSO_BINARY_TYPE__JAVA_JIT
:
102 case DSO_BINARY_TYPE__NOT_FOUND
:
110 static int open_dso(struct dso
*dso
, struct machine
*machine
)
112 char *root_dir
= (char *) "";
116 name
= malloc(PATH_MAX
);
121 root_dir
= machine
->root_dir
;
123 if (dso__binary_type_file(dso
, dso
->data_type
,
124 root_dir
, name
, PATH_MAX
)) {
129 fd
= open(name
, O_RDONLY
);
134 int dso__data_fd(struct dso
*dso
, struct machine
*machine
)
136 static enum dso_binary_type binary_type_data
[] = {
137 DSO_BINARY_TYPE__BUILD_ID_CACHE
,
138 DSO_BINARY_TYPE__SYSTEM_PATH_DSO
,
139 DSO_BINARY_TYPE__NOT_FOUND
,
143 if (dso
->data_type
!= DSO_BINARY_TYPE__NOT_FOUND
)
144 return open_dso(dso
, machine
);
149 dso
->data_type
= binary_type_data
[i
++];
151 fd
= open_dso(dso
, machine
);
155 } while (dso
->data_type
!= DSO_BINARY_TYPE__NOT_FOUND
);
161 dso_cache__free(struct rb_root
*root
)
163 struct rb_node
*next
= rb_first(root
);
166 struct dso_cache
*cache
;
168 cache
= rb_entry(next
, struct dso_cache
, rb_node
);
169 next
= rb_next(&cache
->rb_node
);
170 rb_erase(&cache
->rb_node
, root
);
175 static struct dso_cache
*
176 dso_cache__find(struct rb_root
*root
, u64 offset
)
178 struct rb_node
**p
= &root
->rb_node
;
179 struct rb_node
*parent
= NULL
;
180 struct dso_cache
*cache
;
186 cache
= rb_entry(parent
, struct dso_cache
, rb_node
);
187 end
= cache
->offset
+ DSO__DATA_CACHE_SIZE
;
189 if (offset
< cache
->offset
)
191 else if (offset
>= end
)
200 dso_cache__insert(struct rb_root
*root
, struct dso_cache
*new)
202 struct rb_node
**p
= &root
->rb_node
;
203 struct rb_node
*parent
= NULL
;
204 struct dso_cache
*cache
;
205 u64 offset
= new->offset
;
211 cache
= rb_entry(parent
, struct dso_cache
, rb_node
);
212 end
= cache
->offset
+ DSO__DATA_CACHE_SIZE
;
214 if (offset
< cache
->offset
)
216 else if (offset
>= end
)
220 rb_link_node(&new->rb_node
, parent
, p
);
221 rb_insert_color(&new->rb_node
, root
);
225 dso_cache__memcpy(struct dso_cache
*cache
, u64 offset
,
228 u64 cache_offset
= offset
- cache
->offset
;
229 u64 cache_size
= min(cache
->size
- cache_offset
, size
);
231 memcpy(data
, cache
->data
+ cache_offset
, cache_size
);
236 dso_cache__read(struct dso
*dso
, struct machine
*machine
,
237 u64 offset
, u8
*data
, ssize_t size
)
239 struct dso_cache
*cache
;
243 fd
= dso__data_fd(dso
, machine
);
252 cache
= zalloc(sizeof(*cache
) + DSO__DATA_CACHE_SIZE
);
256 cache_offset
= offset
& DSO__DATA_CACHE_MASK
;
259 if (-1 == lseek(fd
, cache_offset
, SEEK_SET
))
262 ret
= read(fd
, cache
->data
, DSO__DATA_CACHE_SIZE
);
266 cache
->offset
= cache_offset
;
268 dso_cache__insert(&dso
->cache
, cache
);
270 ret
= dso_cache__memcpy(cache
, offset
, data
, size
);
281 static ssize_t
dso_cache_read(struct dso
*dso
, struct machine
*machine
,
282 u64 offset
, u8
*data
, ssize_t size
)
284 struct dso_cache
*cache
;
286 cache
= dso_cache__find(&dso
->cache
, offset
);
288 return dso_cache__memcpy(cache
, offset
, data
, size
);
290 return dso_cache__read(dso
, machine
, offset
, data
, size
);
293 ssize_t
dso__data_read_offset(struct dso
*dso
, struct machine
*machine
,
294 u64 offset
, u8
*data
, ssize_t size
)
302 ret
= dso_cache_read(dso
, machine
, offset
, p
, size
);
306 /* Reached EOF, return what we have. */
322 ssize_t
dso__data_read_addr(struct dso
*dso
, struct map
*map
,
323 struct machine
*machine
, u64 addr
,
324 u8
*data
, ssize_t size
)
326 u64 offset
= map
->map_ip(map
, addr
);
327 return dso__data_read_offset(dso
, machine
, offset
, data
, size
);
330 struct map
*dso__new_map(const char *name
)
332 struct map
*map
= NULL
;
333 struct dso
*dso
= dso__new(name
);
336 map
= map__new2(0, dso
, MAP__FUNCTION
);
341 struct dso
*dso__kernel_findnew(struct machine
*machine
, const char *name
,
342 const char *short_name
, int dso_type
)
345 * The kernel dso could be created by build_id processing.
347 struct dso
*dso
= __dsos__findnew(&machine
->kernel_dsos
, name
);
350 * We need to run this in all cases, since during the build_id
351 * processing we had no idea this was the kernel dso.
354 dso__set_short_name(dso
, short_name
);
355 dso
->kernel
= dso_type
;
361 void dso__set_long_name(struct dso
*dso
, char *name
)
365 dso
->long_name
= name
;
366 dso
->long_name_len
= strlen(name
);
369 void dso__set_short_name(struct dso
*dso
, const char *name
)
373 dso
->short_name
= name
;
374 dso
->short_name_len
= strlen(name
);
377 static void dso__set_basename(struct dso
*dso
)
379 dso__set_short_name(dso
, basename(dso
->long_name
));
382 int dso__name_len(const struct dso
*dso
)
385 return strlen("[unknown]");
387 return dso
->long_name_len
;
389 return dso
->short_name_len
;
392 bool dso__loaded(const struct dso
*dso
, enum map_type type
)
394 return dso
->loaded
& (1 << type
);
397 bool dso__sorted_by_name(const struct dso
*dso
, enum map_type type
)
399 return dso
->sorted_by_name
& (1 << type
);
402 void dso__set_sorted_by_name(struct dso
*dso
, enum map_type type
)
404 dso
->sorted_by_name
|= (1 << type
);
407 struct dso
*dso__new(const char *name
)
409 struct dso
*dso
= calloc(1, sizeof(*dso
) + strlen(name
) + 1);
413 strcpy(dso
->name
, name
);
414 dso__set_long_name(dso
, dso
->name
);
415 dso__set_short_name(dso
, dso
->name
);
416 for (i
= 0; i
< MAP__NR_TYPES
; ++i
)
417 dso
->symbols
[i
] = dso
->symbol_names
[i
] = RB_ROOT
;
418 dso
->cache
= RB_ROOT
;
419 dso
->symtab_type
= DSO_BINARY_TYPE__NOT_FOUND
;
420 dso
->data_type
= DSO_BINARY_TYPE__NOT_FOUND
;
422 dso
->sorted_by_name
= 0;
423 dso
->has_build_id
= 0;
424 dso
->kernel
= DSO_TYPE_USER
;
425 dso
->needs_swap
= DSO_SWAP__UNSET
;
426 INIT_LIST_HEAD(&dso
->node
);
432 void dso__delete(struct dso
*dso
)
435 for (i
= 0; i
< MAP__NR_TYPES
; ++i
)
436 symbols__delete(&dso
->symbols
[i
]);
437 if (dso
->sname_alloc
)
438 free((char *)dso
->short_name
);
439 if (dso
->lname_alloc
)
440 free(dso
->long_name
);
441 dso_cache__free(&dso
->cache
);
445 void dso__set_build_id(struct dso
*dso
, void *build_id
)
447 memcpy(dso
->build_id
, build_id
, sizeof(dso
->build_id
));
448 dso
->has_build_id
= 1;
451 bool dso__build_id_equal(const struct dso
*dso
, u8
*build_id
)
453 return memcmp(dso
->build_id
, build_id
, sizeof(dso
->build_id
)) == 0;
456 void dso__read_running_kernel_build_id(struct dso
*dso
, struct machine
*machine
)
460 if (machine__is_default_guest(machine
))
462 sprintf(path
, "%s/sys/kernel/notes", machine
->root_dir
);
463 if (sysfs__read_build_id(path
, dso
->build_id
,
464 sizeof(dso
->build_id
)) == 0)
465 dso
->has_build_id
= true;
468 int dso__kernel_module_get_build_id(struct dso
*dso
,
469 const char *root_dir
)
471 char filename
[PATH_MAX
];
473 * kernel module short names are of the form "[module]" and
474 * we need just "module" here.
476 const char *name
= dso
->short_name
+ 1;
478 snprintf(filename
, sizeof(filename
),
479 "%s/sys/module/%.*s/notes/.note.gnu.build-id",
480 root_dir
, (int)strlen(name
) - 1, name
);
482 if (sysfs__read_build_id(filename
, dso
->build_id
,
483 sizeof(dso
->build_id
)) == 0)
484 dso
->has_build_id
= true;
489 bool __dsos__read_build_ids(struct list_head
*head
, bool with_hits
)
491 bool have_build_id
= false;
494 list_for_each_entry(pos
, head
, node
) {
495 if (with_hits
&& !pos
->hit
)
497 if (pos
->has_build_id
) {
498 have_build_id
= true;
501 if (filename__read_build_id(pos
->long_name
, pos
->build_id
,
502 sizeof(pos
->build_id
)) > 0) {
503 have_build_id
= true;
504 pos
->has_build_id
= true;
508 return have_build_id
;
511 void dsos__add(struct list_head
*head
, struct dso
*dso
)
513 list_add_tail(&dso
->node
, head
);
516 struct dso
*dsos__find(struct list_head
*head
, const char *name
)
520 list_for_each_entry(pos
, head
, node
)
521 if (strcmp(pos
->long_name
, name
) == 0)
526 struct dso
*__dsos__findnew(struct list_head
*head
, const char *name
)
528 struct dso
*dso
= dsos__find(head
, name
);
531 dso
= dso__new(name
);
533 dsos__add(head
, dso
);
534 dso__set_basename(dso
);
541 size_t __dsos__fprintf_buildid(struct list_head
*head
, FILE *fp
,
547 list_for_each_entry(pos
, head
, node
) {
548 if (with_hits
&& !pos
->hit
)
550 ret
+= dso__fprintf_buildid(pos
, fp
);
551 ret
+= fprintf(fp
, " %s\n", pos
->long_name
);
556 size_t __dsos__fprintf(struct list_head
*head
, FILE *fp
)
561 list_for_each_entry(pos
, head
, node
) {
563 for (i
= 0; i
< MAP__NR_TYPES
; ++i
)
564 ret
+= dso__fprintf(pos
, i
, fp
);
570 size_t dso__fprintf_buildid(struct dso
*dso
, FILE *fp
)
572 char sbuild_id
[BUILD_ID_SIZE
* 2 + 1];
574 build_id__sprintf(dso
->build_id
, sizeof(dso
->build_id
), sbuild_id
);
575 return fprintf(fp
, "%s", sbuild_id
);
578 size_t dso__fprintf(struct dso
*dso
, enum map_type type
, FILE *fp
)
581 size_t ret
= fprintf(fp
, "dso: %s (", dso
->short_name
);
583 if (dso
->short_name
!= dso
->long_name
)
584 ret
+= fprintf(fp
, "%s, ", dso
->long_name
);
585 ret
+= fprintf(fp
, "%s, %sloaded, ", map_type__name
[type
],
586 dso
->loaded
? "" : "NOT ");
587 ret
+= dso__fprintf_buildid(dso
, fp
);
588 ret
+= fprintf(fp
, ")\n");
589 for (nd
= rb_first(&dso
->symbols
[type
]); nd
; nd
= rb_next(nd
)) {
590 struct symbol
*pos
= rb_entry(nd
, struct symbol
, rb_node
);
591 ret
+= symbol__fprintf(pos
, fp
);