15 #include <sys/utsname.h>
17 #ifndef NT_GNU_BUILD_ID
18 #define NT_GNU_BUILD_ID 3
24 DSO__ORIG_BUILD_ID_CACHE
,
33 static void dsos__add(struct list_head
*head
, struct dso
*dso
);
34 static struct map
*map__new2(u64 start
, struct dso
*dso
, enum map_type type
);
35 static int dso__load_kernel_sym(struct dso
*self
, struct map
*map
,
36 symbol_filter_t filter
);
37 static int vmlinux_path__nr_entries
;
38 static char **vmlinux_path
;
40 struct symbol_conf symbol_conf
= {
41 .exclude_other
= true,
43 .try_vmlinux_path
= true,
46 bool dso__loaded(const struct dso
*self
, enum map_type type
)
48 return self
->loaded
& (1 << type
);
51 bool dso__sorted_by_name(const struct dso
*self
, enum map_type type
)
53 return self
->sorted_by_name
& (1 << type
);
56 static void dso__set_sorted_by_name(struct dso
*self
, enum map_type type
)
58 self
->sorted_by_name
|= (1 << type
);
61 bool symbol_type__is_a(char symbol_type
, enum map_type map_type
)
65 return symbol_type
== 'T' || symbol_type
== 'W';
67 return symbol_type
== 'D' || symbol_type
== 'd';
73 static void symbols__fixup_end(struct rb_root
*self
)
75 struct rb_node
*nd
, *prevnd
= rb_first(self
);
76 struct symbol
*curr
, *prev
;
81 curr
= rb_entry(prevnd
, struct symbol
, rb_node
);
83 for (nd
= rb_next(prevnd
); nd
; nd
= rb_next(nd
)) {
85 curr
= rb_entry(nd
, struct symbol
, rb_node
);
87 if (prev
->end
== prev
->start
)
88 prev
->end
= curr
->start
- 1;
92 if (curr
->end
== curr
->start
)
93 curr
->end
= roundup(curr
->start
, 4096);
96 static void __map_groups__fixup_end(struct map_groups
*self
, enum map_type type
)
98 struct map
*prev
, *curr
;
99 struct rb_node
*nd
, *prevnd
= rb_first(&self
->maps
[type
]);
104 curr
= rb_entry(prevnd
, struct map
, rb_node
);
106 for (nd
= rb_next(prevnd
); nd
; nd
= rb_next(nd
)) {
108 curr
= rb_entry(nd
, struct map
, rb_node
);
109 prev
->end
= curr
->start
- 1;
113 * We still haven't the actual symbols, so guess the
114 * last map final address.
119 static void map_groups__fixup_end(struct map_groups
*self
)
122 for (i
= 0; i
< MAP__NR_TYPES
; ++i
)
123 __map_groups__fixup_end(self
, i
);
126 static struct symbol
*symbol__new(u64 start
, u64 len
, const char *name
)
128 size_t namelen
= strlen(name
) + 1;
129 struct symbol
*self
= zalloc(symbol_conf
.priv_size
+
130 sizeof(*self
) + namelen
);
134 if (symbol_conf
.priv_size
)
135 self
= ((void *)self
) + symbol_conf
.priv_size
;
138 self
->end
= len
? start
+ len
- 1 : start
;
140 pr_debug4("%s: %s %#Lx-%#Lx\n", __func__
, name
, start
, self
->end
);
142 memcpy(self
->name
, name
, namelen
);
147 void symbol__delete(struct symbol
*self
)
149 free(((void *)self
) - symbol_conf
.priv_size
);
152 static size_t symbol__fprintf(struct symbol
*self
, FILE *fp
)
154 return fprintf(fp
, " %llx-%llx %s\n",
155 self
->start
, self
->end
, self
->name
);
158 void dso__set_long_name(struct dso
*self
, char *name
)
162 self
->long_name
= name
;
163 self
->long_name_len
= strlen(name
);
166 static void dso__set_short_name(struct dso
*self
, const char *name
)
170 self
->short_name
= name
;
171 self
->short_name_len
= strlen(name
);
174 static void dso__set_basename(struct dso
*self
)
176 dso__set_short_name(self
, basename(self
->long_name
));
179 struct dso
*dso__new(const char *name
)
181 struct dso
*self
= zalloc(sizeof(*self
) + strlen(name
) + 1);
185 strcpy(self
->name
, name
);
186 dso__set_long_name(self
, self
->name
);
187 dso__set_short_name(self
, self
->name
);
188 for (i
= 0; i
< MAP__NR_TYPES
; ++i
)
189 self
->symbols
[i
] = self
->symbol_names
[i
] = RB_ROOT
;
190 self
->slen_calculated
= 0;
191 self
->origin
= DSO__ORIG_NOT_FOUND
;
193 self
->sorted_by_name
= 0;
194 self
->has_build_id
= 0;
200 static void symbols__delete(struct rb_root
*self
)
203 struct rb_node
*next
= rb_first(self
);
206 pos
= rb_entry(next
, struct symbol
, rb_node
);
207 next
= rb_next(&pos
->rb_node
);
208 rb_erase(&pos
->rb_node
, self
);
213 void dso__delete(struct dso
*self
)
216 for (i
= 0; i
< MAP__NR_TYPES
; ++i
)
217 symbols__delete(&self
->symbols
[i
]);
218 if (self
->long_name
!= self
->name
)
219 free(self
->long_name
);
223 void dso__set_build_id(struct dso
*self
, void *build_id
)
225 memcpy(self
->build_id
, build_id
, sizeof(self
->build_id
));
226 self
->has_build_id
= 1;
229 static void symbols__insert(struct rb_root
*self
, struct symbol
*sym
)
231 struct rb_node
**p
= &self
->rb_node
;
232 struct rb_node
*parent
= NULL
;
233 const u64 ip
= sym
->start
;
238 s
= rb_entry(parent
, struct symbol
, rb_node
);
244 rb_link_node(&sym
->rb_node
, parent
, p
);
245 rb_insert_color(&sym
->rb_node
, self
);
248 static struct symbol
*symbols__find(struct rb_root
*self
, u64 ip
)
258 struct symbol
*s
= rb_entry(n
, struct symbol
, rb_node
);
262 else if (ip
> s
->end
)
271 struct symbol_name_rb_node
{
272 struct rb_node rb_node
;
276 static void symbols__insert_by_name(struct rb_root
*self
, struct symbol
*sym
)
278 struct rb_node
**p
= &self
->rb_node
;
279 struct rb_node
*parent
= NULL
;
280 struct symbol_name_rb_node
*symn
= ((void *)sym
) - sizeof(*parent
), *s
;
284 s
= rb_entry(parent
, struct symbol_name_rb_node
, rb_node
);
285 if (strcmp(sym
->name
, s
->sym
.name
) < 0)
290 rb_link_node(&symn
->rb_node
, parent
, p
);
291 rb_insert_color(&symn
->rb_node
, self
);
294 static void symbols__sort_by_name(struct rb_root
*self
, struct rb_root
*source
)
298 for (nd
= rb_first(source
); nd
; nd
= rb_next(nd
)) {
299 struct symbol
*pos
= rb_entry(nd
, struct symbol
, rb_node
);
300 symbols__insert_by_name(self
, pos
);
304 static struct symbol
*symbols__find_by_name(struct rb_root
*self
, const char *name
)
314 struct symbol_name_rb_node
*s
;
317 s
= rb_entry(n
, struct symbol_name_rb_node
, rb_node
);
318 cmp
= strcmp(name
, s
->sym
.name
);
331 struct symbol
*dso__find_symbol(struct dso
*self
,
332 enum map_type type
, u64 addr
)
334 return symbols__find(&self
->symbols
[type
], addr
);
337 struct symbol
*dso__find_symbol_by_name(struct dso
*self
, enum map_type type
,
340 return symbols__find_by_name(&self
->symbol_names
[type
], name
);
343 void dso__sort_by_name(struct dso
*self
, enum map_type type
)
345 dso__set_sorted_by_name(self
, type
);
346 return symbols__sort_by_name(&self
->symbol_names
[type
],
347 &self
->symbols
[type
]);
350 int build_id__sprintf(const u8
*self
, int len
, char *bf
)
353 const u8
*raw
= self
;
356 for (i
= 0; i
< len
; ++i
) {
357 sprintf(bid
, "%02x", *raw
);
365 size_t dso__fprintf_buildid(struct dso
*self
, FILE *fp
)
367 char sbuild_id
[BUILD_ID_SIZE
* 2 + 1];
369 build_id__sprintf(self
->build_id
, sizeof(self
->build_id
), sbuild_id
);
370 return fprintf(fp
, "%s", sbuild_id
);
373 size_t dso__fprintf(struct dso
*self
, enum map_type type
, FILE *fp
)
376 size_t ret
= fprintf(fp
, "dso: %s (", self
->short_name
);
378 if (self
->short_name
!= self
->long_name
)
379 ret
+= fprintf(fp
, "%s, ", self
->long_name
);
380 ret
+= fprintf(fp
, "%s, %sloaded, ", map_type__name
[type
],
381 self
->loaded
? "" : "NOT ");
382 ret
+= dso__fprintf_buildid(self
, fp
);
383 ret
+= fprintf(fp
, ")\n");
384 for (nd
= rb_first(&self
->symbols
[type
]); nd
; nd
= rb_next(nd
)) {
385 struct symbol
*pos
= rb_entry(nd
, struct symbol
, rb_node
);
386 ret
+= symbol__fprintf(pos
, fp
);
392 int kallsyms__parse(const char *filename
, void *arg
,
393 int (*process_symbol
)(void *arg
, const char *name
,
394 char type
, u64 start
))
399 FILE *file
= fopen(filename
, "r");
404 while (!feof(file
)) {
410 line_len
= getline(&line
, &n
, file
);
417 line
[--line_len
] = '\0'; /* \n */
419 len
= hex2u64(line
, &start
);
422 if (len
+ 2 >= line_len
)
425 symbol_type
= toupper(line
[len
]);
426 symbol_name
= line
+ len
+ 2;
428 err
= process_symbol(arg
, symbol_name
, symbol_type
, start
);
441 struct process_kallsyms_args
{
446 static int map__process_kallsym_symbol(void *arg
, const char *name
,
447 char type
, u64 start
)
450 struct process_kallsyms_args
*a
= arg
;
451 struct rb_root
*root
= &a
->dso
->symbols
[a
->map
->type
];
453 if (!symbol_type__is_a(type
, a
->map
->type
))
457 * Will fix up the end later, when we have all symbols sorted.
459 sym
= symbol__new(start
, 0, name
);
464 * We will pass the symbols to the filter later, in
465 * map__split_kallsyms, when we have split the maps per module
467 symbols__insert(root
, sym
);
472 * Loads the function entries in /proc/kallsyms into kernel_map->dso,
473 * so that we can in the next step set the symbol ->end address and then
474 * call kernel_maps__split_kallsyms.
476 static int dso__load_all_kallsyms(struct dso
*self
, const char *filename
,
479 struct process_kallsyms_args args
= { .map
= map
, .dso
= self
, };
480 return kallsyms__parse(filename
, &args
, map__process_kallsym_symbol
);
484 * Split the symbols into maps, making sure there are no overlaps, i.e. the
485 * kernel range is broken in several maps, named [kernel].N, as we don't have
486 * the original ELF section names vmlinux have.
488 static int dso__split_kallsyms(struct dso
*self
, struct map
*map
,
489 symbol_filter_t filter
)
491 struct map_groups
*kmaps
= map__kmap(map
)->kmaps
;
492 struct map
*curr_map
= map
;
495 struct rb_root
*root
= &self
->symbols
[map
->type
];
496 struct rb_node
*next
= rb_first(root
);
497 int kernel_range
= 0;
502 pos
= rb_entry(next
, struct symbol
, rb_node
);
503 next
= rb_next(&pos
->rb_node
);
505 module
= strchr(pos
->name
, '\t');
507 if (!symbol_conf
.use_modules
)
512 if (strcmp(curr_map
->dso
->short_name
, module
)) {
513 curr_map
= map_groups__find_by_name(kmaps
, map
->type
, module
);
514 if (curr_map
== NULL
) {
515 pr_debug("/proc/{kallsyms,modules} "
516 "inconsistency while looking "
517 "for \"%s\" module!\n", module
);
521 if (curr_map
->dso
->loaded
)
525 * So that we look just like we get from .ko files,
526 * i.e. not prelinked, relative to map->start.
528 pos
->start
= curr_map
->map_ip(curr_map
, pos
->start
);
529 pos
->end
= curr_map
->map_ip(curr_map
, pos
->end
);
530 } else if (curr_map
!= map
) {
531 char dso_name
[PATH_MAX
];
534 snprintf(dso_name
, sizeof(dso_name
), "[kernel].%d",
537 dso
= dso__new(dso_name
);
541 curr_map
= map__new2(pos
->start
, dso
, map
->type
);
542 if (curr_map
== NULL
) {
547 curr_map
->map_ip
= curr_map
->unmap_ip
= identity__map_ip
;
548 map_groups__insert(kmaps
, curr_map
);
552 if (filter
&& filter(curr_map
, pos
)) {
553 discard_symbol
: rb_erase(&pos
->rb_node
, root
);
556 if (curr_map
!= map
) {
557 rb_erase(&pos
->rb_node
, root
);
558 symbols__insert(&curr_map
->dso
->symbols
[curr_map
->type
], pos
);
567 int dso__load_kallsyms(struct dso
*self
, const char *filename
,
568 struct map
*map
, symbol_filter_t filter
)
570 if (dso__load_all_kallsyms(self
, filename
, map
) < 0)
573 symbols__fixup_end(&self
->symbols
[map
->type
]);
574 self
->origin
= DSO__ORIG_KERNEL
;
576 return dso__split_kallsyms(self
, map
, filter
);
579 static int dso__load_perf_map(struct dso
*self
, struct map
*map
,
580 symbol_filter_t filter
)
587 file
= fopen(self
->long_name
, "r");
591 while (!feof(file
)) {
596 line_len
= getline(&line
, &n
, file
);
603 line
[--line_len
] = '\0'; /* \n */
605 len
= hex2u64(line
, &start
);
608 if (len
+ 2 >= line_len
)
611 len
+= hex2u64(line
+ len
, &size
);
614 if (len
+ 2 >= line_len
)
617 sym
= symbol__new(start
, size
, line
+ len
);
620 goto out_delete_line
;
622 if (filter
&& filter(map
, sym
))
625 symbols__insert(&self
->symbols
[map
->type
], sym
);
642 * elf_symtab__for_each_symbol - iterate thru all the symbols
644 * @self: struct elf_symtab instance to iterate
646 * @sym: GElf_Sym iterator
648 #define elf_symtab__for_each_symbol(syms, nr_syms, idx, sym) \
649 for (idx = 0, gelf_getsym(syms, idx, &sym);\
651 idx++, gelf_getsym(syms, idx, &sym))
653 static inline uint8_t elf_sym__type(const GElf_Sym
*sym
)
655 return GELF_ST_TYPE(sym
->st_info
);
658 static inline int elf_sym__is_function(const GElf_Sym
*sym
)
660 return elf_sym__type(sym
) == STT_FUNC
&&
662 sym
->st_shndx
!= SHN_UNDEF
;
665 static inline bool elf_sym__is_object(const GElf_Sym
*sym
)
667 return elf_sym__type(sym
) == STT_OBJECT
&&
669 sym
->st_shndx
!= SHN_UNDEF
;
672 static inline int elf_sym__is_label(const GElf_Sym
*sym
)
674 return elf_sym__type(sym
) == STT_NOTYPE
&&
676 sym
->st_shndx
!= SHN_UNDEF
&&
677 sym
->st_shndx
!= SHN_ABS
;
680 static inline const char *elf_sec__name(const GElf_Shdr
*shdr
,
681 const Elf_Data
*secstrs
)
683 return secstrs
->d_buf
+ shdr
->sh_name
;
686 static inline int elf_sec__is_text(const GElf_Shdr
*shdr
,
687 const Elf_Data
*secstrs
)
689 return strstr(elf_sec__name(shdr
, secstrs
), "text") != NULL
;
692 static inline bool elf_sec__is_data(const GElf_Shdr
*shdr
,
693 const Elf_Data
*secstrs
)
695 return strstr(elf_sec__name(shdr
, secstrs
), "data") != NULL
;
698 static inline const char *elf_sym__name(const GElf_Sym
*sym
,
699 const Elf_Data
*symstrs
)
701 return symstrs
->d_buf
+ sym
->st_name
;
704 static Elf_Scn
*elf_section_by_name(Elf
*elf
, GElf_Ehdr
*ep
,
705 GElf_Shdr
*shp
, const char *name
,
711 while ((sec
= elf_nextscn(elf
, sec
)) != NULL
) {
714 gelf_getshdr(sec
, shp
);
715 str
= elf_strptr(elf
, ep
->e_shstrndx
, shp
->sh_name
);
716 if (!strcmp(name
, str
)) {
727 #define elf_section__for_each_rel(reldata, pos, pos_mem, idx, nr_entries) \
728 for (idx = 0, pos = gelf_getrel(reldata, 0, &pos_mem); \
730 ++idx, pos = gelf_getrel(reldata, idx, &pos_mem))
732 #define elf_section__for_each_rela(reldata, pos, pos_mem, idx, nr_entries) \
733 for (idx = 0, pos = gelf_getrela(reldata, 0, &pos_mem); \
735 ++idx, pos = gelf_getrela(reldata, idx, &pos_mem))
738 * We need to check if we have a .dynsym, so that we can handle the
739 * .plt, synthesizing its symbols, that aren't on the symtabs (be it
740 * .dynsym or .symtab).
741 * And always look at the original dso, not at debuginfo packages, that
742 * have the PLT data stripped out (shdr_rel_plt.sh_type == SHT_NOBITS).
744 static int dso__synthesize_plt_symbols(struct dso
*self
, struct map
*map
,
745 symbol_filter_t filter
)
747 uint32_t nr_rel_entries
, idx
;
752 GElf_Shdr shdr_rel_plt
, shdr_dynsym
;
753 Elf_Data
*reldata
, *syms
, *symstrs
;
754 Elf_Scn
*scn_plt_rel
, *scn_symstrs
, *scn_dynsym
;
757 char sympltname
[1024];
759 int nr
= 0, symidx
, fd
, err
= 0;
761 fd
= open(self
->long_name
, O_RDONLY
);
765 elf
= elf_begin(fd
, PERF_ELF_C_READ_MMAP
, NULL
);
769 if (gelf_getehdr(elf
, &ehdr
) == NULL
)
772 scn_dynsym
= elf_section_by_name(elf
, &ehdr
, &shdr_dynsym
,
773 ".dynsym", &dynsym_idx
);
774 if (scn_dynsym
== NULL
)
777 scn_plt_rel
= elf_section_by_name(elf
, &ehdr
, &shdr_rel_plt
,
779 if (scn_plt_rel
== NULL
) {
780 scn_plt_rel
= elf_section_by_name(elf
, &ehdr
, &shdr_rel_plt
,
782 if (scn_plt_rel
== NULL
)
788 if (shdr_rel_plt
.sh_link
!= dynsym_idx
)
791 if (elf_section_by_name(elf
, &ehdr
, &shdr_plt
, ".plt", NULL
) == NULL
)
795 * Fetch the relocation section to find the idxes to the GOT
796 * and the symbols in the .dynsym they refer to.
798 reldata
= elf_getdata(scn_plt_rel
, NULL
);
802 syms
= elf_getdata(scn_dynsym
, NULL
);
806 scn_symstrs
= elf_getscn(elf
, shdr_dynsym
.sh_link
);
807 if (scn_symstrs
== NULL
)
810 symstrs
= elf_getdata(scn_symstrs
, NULL
);
814 nr_rel_entries
= shdr_rel_plt
.sh_size
/ shdr_rel_plt
.sh_entsize
;
815 plt_offset
= shdr_plt
.sh_offset
;
817 if (shdr_rel_plt
.sh_type
== SHT_RELA
) {
818 GElf_Rela pos_mem
, *pos
;
820 elf_section__for_each_rela(reldata
, pos
, pos_mem
, idx
,
822 symidx
= GELF_R_SYM(pos
->r_info
);
823 plt_offset
+= shdr_plt
.sh_entsize
;
824 gelf_getsym(syms
, symidx
, &sym
);
825 snprintf(sympltname
, sizeof(sympltname
),
826 "%s@plt", elf_sym__name(&sym
, symstrs
));
828 f
= symbol__new(plt_offset
, shdr_plt
.sh_entsize
,
833 if (filter
&& filter(map
, f
))
836 symbols__insert(&self
->symbols
[map
->type
], f
);
840 } else if (shdr_rel_plt
.sh_type
== SHT_REL
) {
841 GElf_Rel pos_mem
, *pos
;
842 elf_section__for_each_rel(reldata
, pos
, pos_mem
, idx
,
844 symidx
= GELF_R_SYM(pos
->r_info
);
845 plt_offset
+= shdr_plt
.sh_entsize
;
846 gelf_getsym(syms
, symidx
, &sym
);
847 snprintf(sympltname
, sizeof(sympltname
),
848 "%s@plt", elf_sym__name(&sym
, symstrs
));
850 f
= symbol__new(plt_offset
, shdr_plt
.sh_entsize
,
855 if (filter
&& filter(map
, f
))
858 symbols__insert(&self
->symbols
[map
->type
], f
);
873 pr_warning("%s: problems reading %s PLT info.\n",
874 __func__
, self
->long_name
);
878 static bool elf_sym__is_a(GElf_Sym
*self
, enum map_type type
)
882 return elf_sym__is_function(self
);
884 return elf_sym__is_object(self
);
890 static bool elf_sec__is_a(GElf_Shdr
*self
, Elf_Data
*secstrs
, enum map_type type
)
894 return elf_sec__is_text(self
, secstrs
);
896 return elf_sec__is_data(self
, secstrs
);
902 static int dso__load_sym(struct dso
*self
, struct map
*map
, const char *name
,
903 int fd
, symbol_filter_t filter
, int kmodule
)
905 struct kmap
*kmap
= self
->kernel
? map__kmap(map
) : NULL
;
906 struct map
*curr_map
= map
;
907 struct dso
*curr_dso
= self
;
908 Elf_Data
*symstrs
, *secstrs
;
916 Elf_Scn
*sec
, *sec_strndx
;
920 elf
= elf_begin(fd
, PERF_ELF_C_READ_MMAP
, NULL
);
922 pr_err("%s: cannot read %s ELF file.\n", __func__
, name
);
926 if (gelf_getehdr(elf
, &ehdr
) == NULL
) {
927 pr_err("%s: cannot get elf header.\n", __func__
);
931 sec
= elf_section_by_name(elf
, &ehdr
, &shdr
, ".symtab", NULL
);
933 sec
= elf_section_by_name(elf
, &ehdr
, &shdr
, ".dynsym", NULL
);
938 syms
= elf_getdata(sec
, NULL
);
942 sec
= elf_getscn(elf
, shdr
.sh_link
);
946 symstrs
= elf_getdata(sec
, NULL
);
950 sec_strndx
= elf_getscn(elf
, ehdr
.e_shstrndx
);
951 if (sec_strndx
== NULL
)
954 secstrs
= elf_getdata(sec_strndx
, NULL
);
958 nr_syms
= shdr
.sh_size
/ shdr
.sh_entsize
;
960 memset(&sym
, 0, sizeof(sym
));
962 self
->adjust_symbols
= (ehdr
.e_type
== ET_EXEC
||
963 elf_section_by_name(elf
, &ehdr
, &shdr
,
966 } else self
->adjust_symbols
= 0;
968 elf_symtab__for_each_symbol(syms
, nr_syms
, idx
, sym
) {
970 const char *elf_name
= elf_sym__name(&sym
, symstrs
);
971 char *demangled
= NULL
;
972 int is_label
= elf_sym__is_label(&sym
);
973 const char *section_name
;
975 if (kmap
&& kmap
->ref_reloc_sym
&& kmap
->ref_reloc_sym
->name
&&
976 strcmp(elf_name
, kmap
->ref_reloc_sym
->name
) == 0)
977 kmap
->ref_reloc_sym
->unrelocated_addr
= sym
.st_value
;
979 if (!is_label
&& !elf_sym__is_a(&sym
, map
->type
))
982 sec
= elf_getscn(elf
, sym
.st_shndx
);
986 gelf_getshdr(sec
, &shdr
);
988 if (is_label
&& !elf_sec__is_a(&shdr
, secstrs
, map
->type
))
991 section_name
= elf_sec__name(&shdr
, secstrs
);
993 if (self
->kernel
|| kmodule
) {
994 char dso_name
[PATH_MAX
];
996 if (strcmp(section_name
,
997 (curr_dso
->short_name
+
998 self
->short_name_len
)) == 0)
1001 if (strcmp(section_name
, ".text") == 0) {
1007 snprintf(dso_name
, sizeof(dso_name
),
1008 "%s%s", self
->short_name
, section_name
);
1010 curr_map
= map_groups__find_by_name(kmap
->kmaps
, map
->type
, dso_name
);
1011 if (curr_map
== NULL
) {
1012 u64 start
= sym
.st_value
;
1015 start
+= map
->start
+ shdr
.sh_offset
;
1017 curr_dso
= dso__new(dso_name
);
1018 if (curr_dso
== NULL
)
1020 curr_map
= map__new2(start
, curr_dso
,
1022 if (curr_map
== NULL
) {
1023 dso__delete(curr_dso
);
1026 curr_map
->map_ip
= identity__map_ip
;
1027 curr_map
->unmap_ip
= identity__map_ip
;
1028 curr_dso
->origin
= DSO__ORIG_KERNEL
;
1029 map_groups__insert(kmap
->kmaps
, curr_map
);
1030 dsos__add(&dsos__kernel
, curr_dso
);
1031 dso__set_loaded(curr_dso
, map
->type
);
1033 curr_dso
= curr_map
->dso
;
1038 if (curr_dso
->adjust_symbols
) {
1039 pr_debug4("%s: adjusting symbol: st_value: %#Lx "
1040 "sh_addr: %#Lx sh_offset: %#Lx\n", __func__
,
1041 (u64
)sym
.st_value
, (u64
)shdr
.sh_addr
,
1042 (u64
)shdr
.sh_offset
);
1043 sym
.st_value
-= shdr
.sh_addr
- shdr
.sh_offset
;
1046 * We need to figure out if the object was created from C++ sources
1047 * DWARF DW_compile_unit has this, but we don't always have access
1050 demangled
= bfd_demangle(NULL
, elf_name
, DMGL_PARAMS
| DMGL_ANSI
);
1051 if (demangled
!= NULL
)
1052 elf_name
= demangled
;
1054 f
= symbol__new(sym
.st_value
, sym
.st_size
, elf_name
);
1059 if (filter
&& filter(curr_map
, f
))
1062 symbols__insert(&curr_dso
->symbols
[curr_map
->type
], f
);
1068 * For misannotated, zeroed, ASM function sizes.
1071 symbols__fixup_end(&self
->symbols
[map
->type
]);
1074 * We need to fixup this here too because we create new
1075 * maps here, for things like vsyscall sections.
1077 __map_groups__fixup_end(kmap
->kmaps
, map
->type
);
1087 static bool dso__build_id_equal(const struct dso
*self
, u8
*build_id
)
1089 return memcmp(self
->build_id
, build_id
, sizeof(self
->build_id
)) == 0;
1092 static bool __dsos__read_build_ids(struct list_head
*head
, bool with_hits
)
1094 bool have_build_id
= false;
1097 list_for_each_entry(pos
, head
, node
) {
1098 if (with_hits
&& !pos
->hit
)
1100 if (filename__read_build_id(pos
->long_name
, pos
->build_id
,
1101 sizeof(pos
->build_id
)) > 0) {
1102 have_build_id
= true;
1103 pos
->has_build_id
= true;
1107 return have_build_id
;
1110 bool dsos__read_build_ids(bool with_hits
)
1112 bool kbuildids
= __dsos__read_build_ids(&dsos__kernel
, with_hits
),
1113 ubuildids
= __dsos__read_build_ids(&dsos__user
, with_hits
);
1114 return kbuildids
|| ubuildids
;
1118 * Align offset to 4 bytes as needed for note name and descriptor data.
1120 #define NOTE_ALIGN(n) (((n) + 3) & -4U)
1122 int filename__read_build_id(const char *filename
, void *bf
, size_t size
)
1133 if (size
< BUILD_ID_SIZE
)
1136 fd
= open(filename
, O_RDONLY
);
1140 elf
= elf_begin(fd
, PERF_ELF_C_READ_MMAP
, NULL
);
1142 pr_debug2("%s: cannot read %s ELF file.\n", __func__
, filename
);
1147 if (ek
!= ELF_K_ELF
)
1150 if (gelf_getehdr(elf
, &ehdr
) == NULL
) {
1151 pr_err("%s: cannot get elf header.\n", __func__
);
1155 sec
= elf_section_by_name(elf
, &ehdr
, &shdr
,
1156 ".note.gnu.build-id", NULL
);
1158 sec
= elf_section_by_name(elf
, &ehdr
, &shdr
,
1164 data
= elf_getdata(sec
, NULL
);
1169 while (ptr
< (data
->d_buf
+ data
->d_size
)) {
1170 GElf_Nhdr
*nhdr
= ptr
;
1171 int namesz
= NOTE_ALIGN(nhdr
->n_namesz
),
1172 descsz
= NOTE_ALIGN(nhdr
->n_descsz
);
1175 ptr
+= sizeof(*nhdr
);
1178 if (nhdr
->n_type
== NT_GNU_BUILD_ID
&&
1179 nhdr
->n_namesz
== sizeof("GNU")) {
1180 if (memcmp(name
, "GNU", sizeof("GNU")) == 0) {
1181 memcpy(bf
, ptr
, BUILD_ID_SIZE
);
1182 err
= BUILD_ID_SIZE
;
1196 int sysfs__read_build_id(const char *filename
, void *build_id
, size_t size
)
1200 if (size
< BUILD_ID_SIZE
)
1203 fd
= open(filename
, O_RDONLY
);
1212 if (read(fd
, &nhdr
, sizeof(nhdr
)) != sizeof(nhdr
))
1215 namesz
= NOTE_ALIGN(nhdr
.n_namesz
);
1216 descsz
= NOTE_ALIGN(nhdr
.n_descsz
);
1217 if (nhdr
.n_type
== NT_GNU_BUILD_ID
&&
1218 nhdr
.n_namesz
== sizeof("GNU")) {
1219 if (read(fd
, bf
, namesz
) != namesz
)
1221 if (memcmp(bf
, "GNU", sizeof("GNU")) == 0) {
1222 if (read(fd
, build_id
,
1223 BUILD_ID_SIZE
) == BUILD_ID_SIZE
) {
1227 } else if (read(fd
, bf
, descsz
) != descsz
)
1230 int n
= namesz
+ descsz
;
1231 if (read(fd
, bf
, n
) != n
)
1240 char dso__symtab_origin(const struct dso
*self
)
1242 static const char origin
[] = {
1243 [DSO__ORIG_KERNEL
] = 'k',
1244 [DSO__ORIG_JAVA_JIT
] = 'j',
1245 [DSO__ORIG_BUILD_ID_CACHE
] = 'B',
1246 [DSO__ORIG_FEDORA
] = 'f',
1247 [DSO__ORIG_UBUNTU
] = 'u',
1248 [DSO__ORIG_BUILDID
] = 'b',
1249 [DSO__ORIG_DSO
] = 'd',
1250 [DSO__ORIG_KMODULE
] = 'K',
1253 if (self
== NULL
|| self
->origin
== DSO__ORIG_NOT_FOUND
)
1255 return origin
[self
->origin
];
1258 int dso__load(struct dso
*self
, struct map
*map
, symbol_filter_t filter
)
1260 int size
= PATH_MAX
;
1262 u8 build_id
[BUILD_ID_SIZE
];
1263 char build_id_hex
[BUILD_ID_SIZE
* 2 + 1];
1267 dso__set_loaded(self
, map
->type
);
1270 return dso__load_kernel_sym(self
, map
, filter
);
1272 name
= malloc(size
);
1276 self
->adjust_symbols
= 0;
1278 if (strncmp(self
->name
, "/tmp/perf-", 10) == 0) {
1279 ret
= dso__load_perf_map(self
, map
, filter
);
1280 self
->origin
= ret
> 0 ? DSO__ORIG_JAVA_JIT
:
1281 DSO__ORIG_NOT_FOUND
;
1285 self
->origin
= DSO__ORIG_BUILD_ID_CACHE
;
1287 if (self
->has_build_id
) {
1288 build_id__sprintf(self
->build_id
, sizeof(self
->build_id
),
1290 snprintf(name
, size
, "%s/%s/.build-id/%.2s/%s",
1291 getenv("HOME"), DEBUG_CACHE_DIR
,
1292 build_id_hex
, build_id_hex
+ 2);
1298 switch (self
->origin
) {
1299 case DSO__ORIG_FEDORA
:
1300 snprintf(name
, size
, "/usr/lib/debug%s.debug",
1303 case DSO__ORIG_UBUNTU
:
1304 snprintf(name
, size
, "/usr/lib/debug%s",
1307 case DSO__ORIG_BUILDID
:
1308 if (filename__read_build_id(self
->long_name
, build_id
,
1309 sizeof(build_id
))) {
1310 build_id__sprintf(build_id
, sizeof(build_id
),
1312 snprintf(name
, size
,
1313 "/usr/lib/debug/.build-id/%.2s/%s.debug",
1314 build_id_hex
, build_id_hex
+ 2);
1315 if (self
->has_build_id
)
1316 goto compare_build_id
;
1322 snprintf(name
, size
, "%s", self
->long_name
);
1329 if (self
->has_build_id
) {
1330 if (filename__read_build_id(name
, build_id
,
1331 sizeof(build_id
)) < 0)
1334 if (!dso__build_id_equal(self
, build_id
))
1338 fd
= open(name
, O_RDONLY
);
1341 ret
= dso__load_sym(self
, map
, name
, fd
, filter
, 0);
1345 * Some people seem to have debuginfo files _WITHOUT_ debug info!?!?
1351 int nr_plt
= dso__synthesize_plt_symbols(self
, map
, filter
);
1357 if (ret
< 0 && strstr(self
->name
, " (deleted)") != NULL
)
1362 struct map
*map_groups__find_by_name(struct map_groups
*self
,
1363 enum map_type type
, const char *name
)
1367 for (nd
= rb_first(&self
->maps
[type
]); nd
; nd
= rb_next(nd
)) {
1368 struct map
*map
= rb_entry(nd
, struct map
, rb_node
);
1370 if (map
->dso
&& strcmp(map
->dso
->short_name
, name
) == 0)
1377 static int dso__kernel_module_get_build_id(struct dso
*self
)
1379 char filename
[PATH_MAX
];
1381 * kernel module short names are of the form "[module]" and
1382 * we need just "module" here.
1384 const char *name
= self
->short_name
+ 1;
1386 snprintf(filename
, sizeof(filename
),
1387 "/sys/module/%.*s/notes/.note.gnu.build-id",
1388 (int)strlen(name
- 1), name
);
1390 if (sysfs__read_build_id(filename
, self
->build_id
,
1391 sizeof(self
->build_id
)) == 0)
1392 self
->has_build_id
= true;
1397 static int map_groups__set_modules_path_dir(struct map_groups
*self
, char *dirname
)
1399 struct dirent
*dent
;
1400 DIR *dir
= opendir(dirname
);
1403 pr_debug("%s: cannot open %s dir\n", __func__
, dirname
);
1407 while ((dent
= readdir(dir
)) != NULL
) {
1408 char path
[PATH_MAX
];
1410 if (dent
->d_type
== DT_DIR
) {
1411 if (!strcmp(dent
->d_name
, ".") ||
1412 !strcmp(dent
->d_name
, ".."))
1415 snprintf(path
, sizeof(path
), "%s/%s",
1416 dirname
, dent
->d_name
);
1417 if (map_groups__set_modules_path_dir(self
, path
) < 0)
1420 char *dot
= strrchr(dent
->d_name
, '.'),
1425 if (dot
== NULL
|| strcmp(dot
, ".ko"))
1427 snprintf(dso_name
, sizeof(dso_name
), "[%.*s]",
1428 (int)(dot
- dent
->d_name
), dent
->d_name
);
1430 strxfrchar(dso_name
, '-', '_');
1431 map
= map_groups__find_by_name(self
, MAP__FUNCTION
, dso_name
);
1435 snprintf(path
, sizeof(path
), "%s/%s",
1436 dirname
, dent
->d_name
);
1438 long_name
= strdup(path
);
1439 if (long_name
== NULL
)
1441 dso__set_long_name(map
->dso
, long_name
);
1442 dso__kernel_module_get_build_id(map
->dso
);
1452 static int map_groups__set_modules_path(struct map_groups
*self
)
1455 char modules_path
[PATH_MAX
];
1457 if (uname(&uts
) < 0)
1460 snprintf(modules_path
, sizeof(modules_path
), "/lib/modules/%s/kernel",
1463 return map_groups__set_modules_path_dir(self
, modules_path
);
1467 * Constructor variant for modules (where we know from /proc/modules where
1468 * they are loaded) and for vmlinux, where only after we load all the
1469 * symbols we'll know where it starts and ends.
1471 static struct map
*map__new2(u64 start
, struct dso
*dso
, enum map_type type
)
1473 struct map
*self
= zalloc(sizeof(*self
) +
1474 (dso
->kernel
? sizeof(struct kmap
) : 0));
1477 * ->end will be filled after we load all the symbols
1479 map__init(self
, type
, start
, 0, 0, dso
);
1485 struct map
*map_groups__new_module(struct map_groups
*self
, u64 start
,
1486 const char *filename
)
1489 struct dso
*dso
= __dsos__findnew(&dsos__kernel
, filename
);
1494 map
= map__new2(start
, dso
, MAP__FUNCTION
);
1498 dso
->origin
= DSO__ORIG_KMODULE
;
1499 map_groups__insert(self
, map
);
1503 static int map_groups__create_modules(struct map_groups
*self
)
1507 FILE *file
= fopen("/proc/modules", "r");
1513 while (!feof(file
)) {
1514 char name
[PATH_MAX
];
1519 line_len
= getline(&line
, &n
, file
);
1526 line
[--line_len
] = '\0'; /* \n */
1528 sep
= strrchr(line
, 'x');
1532 hex2u64(sep
+ 1, &start
);
1534 sep
= strchr(line
, ' ');
1540 snprintf(name
, sizeof(name
), "[%s]", line
);
1541 map
= map_groups__new_module(self
, start
, name
);
1543 goto out_delete_line
;
1544 dso__kernel_module_get_build_id(map
->dso
);
1550 return map_groups__set_modules_path(self
);
1558 static int dso__load_vmlinux(struct dso
*self
, struct map
*map
,
1559 const char *vmlinux
, symbol_filter_t filter
)
1563 if (self
->has_build_id
) {
1564 u8 build_id
[BUILD_ID_SIZE
];
1566 if (filename__read_build_id(vmlinux
, build_id
,
1567 sizeof(build_id
)) < 0) {
1568 pr_debug("No build_id in %s, ignoring it\n", vmlinux
);
1571 if (!dso__build_id_equal(self
, build_id
)) {
1572 char expected_build_id
[BUILD_ID_SIZE
* 2 + 1],
1573 vmlinux_build_id
[BUILD_ID_SIZE
* 2 + 1];
1575 build_id__sprintf(self
->build_id
,
1576 sizeof(self
->build_id
),
1578 build_id__sprintf(build_id
, sizeof(build_id
),
1580 pr_debug("build_id in %s is %s while expected is %s, "
1581 "ignoring it\n", vmlinux
, vmlinux_build_id
,
1587 fd
= open(vmlinux
, O_RDONLY
);
1591 dso__set_loaded(self
, map
->type
);
1592 err
= dso__load_sym(self
, map
, vmlinux
, fd
, filter
, 0);
1596 pr_debug("Using %s for symbols\n", vmlinux
);
1601 int dso__load_vmlinux_path(struct dso
*self
, struct map
*map
,
1602 symbol_filter_t filter
)
1606 pr_debug("Looking at the vmlinux_path (%d entries long)\n",
1607 vmlinux_path__nr_entries
);
1609 for (i
= 0; i
< vmlinux_path__nr_entries
; ++i
) {
1610 err
= dso__load_vmlinux(self
, map
, vmlinux_path
[i
], filter
);
1612 dso__set_long_name(self
, strdup(vmlinux_path
[i
]));
1620 static int dso__load_kernel_sym(struct dso
*self
, struct map
*map
,
1621 symbol_filter_t filter
)
1624 const char *kallsyms_filename
= NULL
;
1625 char *kallsyms_allocated_filename
= NULL
;
1627 * Step 1: if the user specified a vmlinux filename, use it and only
1628 * it, reporting errors to the user if it cannot be used.
1630 * For instance, try to analyse an ARM perf.data file _without_ a
1631 * build-id, or if the user specifies the wrong path to the right
1632 * vmlinux file, obviously we can't fallback to another vmlinux (a
1633 * x86_86 one, on the machine where analysis is being performed, say),
1634 * or worse, /proc/kallsyms.
1636 * If the specified file _has_ a build-id and there is a build-id
1637 * section in the perf.data file, we will still do the expected
1638 * validation in dso__load_vmlinux and will bail out if they don't
1641 if (symbol_conf
.vmlinux_name
!= NULL
) {
1642 err
= dso__load_vmlinux(self
, map
,
1643 symbol_conf
.vmlinux_name
, filter
);
1647 if (vmlinux_path
!= NULL
) {
1648 err
= dso__load_vmlinux_path(self
, map
, filter
);
1654 * Say the kernel DSO was created when processing the build-id header table,
1655 * we have a build-id, so check if it is the same as the running kernel,
1656 * using it if it is.
1658 if (self
->has_build_id
) {
1659 u8 kallsyms_build_id
[BUILD_ID_SIZE
];
1660 char sbuild_id
[BUILD_ID_SIZE
* 2 + 1];
1662 if (sysfs__read_build_id("/sys/kernel/notes", kallsyms_build_id
,
1663 sizeof(kallsyms_build_id
)) == 0) {
1664 if (dso__build_id_equal(self
, kallsyms_build_id
)) {
1665 kallsyms_filename
= "/proc/kallsyms";
1670 * Now look if we have it on the build-id cache in
1671 * $HOME/.debug/[kernel.kallsyms].
1673 build_id__sprintf(self
->build_id
, sizeof(self
->build_id
),
1676 if (asprintf(&kallsyms_allocated_filename
,
1677 "%s/.debug/[kernel.kallsyms]/%s",
1678 getenv("HOME"), sbuild_id
) == -1) {
1679 pr_err("Not enough memory for kallsyms file lookup\n");
1683 kallsyms_filename
= kallsyms_allocated_filename
;
1685 if (access(kallsyms_filename
, F_OK
)) {
1686 pr_err("No kallsyms or vmlinux with build-id %s "
1687 "was found\n", sbuild_id
);
1688 free(kallsyms_allocated_filename
);
1693 * Last resort, if we don't have a build-id and couldn't find
1694 * any vmlinux file, try the running kernel kallsyms table.
1696 kallsyms_filename
= "/proc/kallsyms";
1700 err
= dso__load_kallsyms(self
, kallsyms_filename
, map
, filter
);
1702 pr_debug("Using %s for symbols\n", kallsyms_filename
);
1703 free(kallsyms_allocated_filename
);
1708 if (kallsyms_filename
!= NULL
)
1709 dso__set_long_name(self
, strdup("[kernel.kallsyms]"));
1710 map__fixup_start(map
);
1711 map__fixup_end(map
);
1717 LIST_HEAD(dsos__user
);
1718 LIST_HEAD(dsos__kernel
);
1720 static void dsos__add(struct list_head
*head
, struct dso
*dso
)
1722 list_add_tail(&dso
->node
, head
);
1725 static struct dso
*dsos__find(struct list_head
*head
, const char *name
)
1729 list_for_each_entry(pos
, head
, node
)
1730 if (strcmp(pos
->long_name
, name
) == 0)
1735 struct dso
*__dsos__findnew(struct list_head
*head
, const char *name
)
1737 struct dso
*dso
= dsos__find(head
, name
);
1740 dso
= dso__new(name
);
1742 dsos__add(head
, dso
);
1743 dso__set_basename(dso
);
1750 static void __dsos__fprintf(struct list_head
*head
, FILE *fp
)
1754 list_for_each_entry(pos
, head
, node
) {
1756 for (i
= 0; i
< MAP__NR_TYPES
; ++i
)
1757 dso__fprintf(pos
, i
, fp
);
1761 void dsos__fprintf(FILE *fp
)
1763 __dsos__fprintf(&dsos__kernel
, fp
);
1764 __dsos__fprintf(&dsos__user
, fp
);
1767 static size_t __dsos__fprintf_buildid(struct list_head
*head
, FILE *fp
,
1773 list_for_each_entry(pos
, head
, node
) {
1774 if (with_hits
&& !pos
->hit
)
1776 ret
+= dso__fprintf_buildid(pos
, fp
);
1777 ret
+= fprintf(fp
, " %s\n", pos
->long_name
);
1782 size_t dsos__fprintf_buildid(FILE *fp
, bool with_hits
)
1784 return (__dsos__fprintf_buildid(&dsos__kernel
, fp
, with_hits
) +
1785 __dsos__fprintf_buildid(&dsos__user
, fp
, with_hits
));
1788 struct dso
*dso__new_kernel(const char *name
)
1790 struct dso
*self
= dso__new(name
?: "[kernel.kallsyms]");
1793 dso__set_short_name(self
, "[kernel]");
1800 void dso__read_running_kernel_build_id(struct dso
*self
)
1802 if (sysfs__read_build_id("/sys/kernel/notes", self
->build_id
,
1803 sizeof(self
->build_id
)) == 0)
1804 self
->has_build_id
= true;
1807 static struct dso
*dsos__create_kernel(const char *vmlinux
)
1809 struct dso
*kernel
= dso__new_kernel(vmlinux
);
1811 if (kernel
!= NULL
) {
1812 dso__read_running_kernel_build_id(kernel
);
1813 dsos__add(&dsos__kernel
, kernel
);
1819 int __map_groups__create_kernel_maps(struct map_groups
*self
,
1820 struct map
*vmlinux_maps
[MAP__NR_TYPES
],
1825 for (type
= 0; type
< MAP__NR_TYPES
; ++type
) {
1828 vmlinux_maps
[type
] = map__new2(0, kernel
, type
);
1829 if (vmlinux_maps
[type
] == NULL
)
1832 vmlinux_maps
[type
]->map_ip
=
1833 vmlinux_maps
[type
]->unmap_ip
= identity__map_ip
;
1835 kmap
= map__kmap(vmlinux_maps
[type
]);
1837 map_groups__insert(self
, vmlinux_maps
[type
]);
1843 static void vmlinux_path__exit(void)
1845 while (--vmlinux_path__nr_entries
>= 0) {
1846 free(vmlinux_path
[vmlinux_path__nr_entries
]);
1847 vmlinux_path
[vmlinux_path__nr_entries
] = NULL
;
1851 vmlinux_path
= NULL
;
1854 static int vmlinux_path__init(void)
1859 if (uname(&uts
) < 0)
1862 vmlinux_path
= malloc(sizeof(char *) * 5);
1863 if (vmlinux_path
== NULL
)
1866 vmlinux_path
[vmlinux_path__nr_entries
] = strdup("vmlinux");
1867 if (vmlinux_path
[vmlinux_path__nr_entries
] == NULL
)
1869 ++vmlinux_path__nr_entries
;
1870 vmlinux_path
[vmlinux_path__nr_entries
] = strdup("/boot/vmlinux");
1871 if (vmlinux_path
[vmlinux_path__nr_entries
] == NULL
)
1873 ++vmlinux_path__nr_entries
;
1874 snprintf(bf
, sizeof(bf
), "/boot/vmlinux-%s", uts
.release
);
1875 vmlinux_path
[vmlinux_path__nr_entries
] = strdup(bf
);
1876 if (vmlinux_path
[vmlinux_path__nr_entries
] == NULL
)
1878 ++vmlinux_path__nr_entries
;
1879 snprintf(bf
, sizeof(bf
), "/lib/modules/%s/build/vmlinux", uts
.release
);
1880 vmlinux_path
[vmlinux_path__nr_entries
] = strdup(bf
);
1881 if (vmlinux_path
[vmlinux_path__nr_entries
] == NULL
)
1883 ++vmlinux_path__nr_entries
;
1884 snprintf(bf
, sizeof(bf
), "/usr/lib/debug/lib/modules/%s/vmlinux",
1886 vmlinux_path
[vmlinux_path__nr_entries
] = strdup(bf
);
1887 if (vmlinux_path
[vmlinux_path__nr_entries
] == NULL
)
1889 ++vmlinux_path__nr_entries
;
1894 vmlinux_path__exit();
1898 static int setup_list(struct strlist
**list
, const char *list_str
,
1899 const char *list_name
)
1901 if (list_str
== NULL
)
1904 *list
= strlist__new(true, list_str
);
1906 pr_err("problems parsing %s list\n", list_name
);
1912 int symbol__init(void)
1914 elf_version(EV_CURRENT
);
1915 if (symbol_conf
.sort_by_name
)
1916 symbol_conf
.priv_size
+= (sizeof(struct symbol_name_rb_node
) -
1917 sizeof(struct symbol
));
1919 if (symbol_conf
.try_vmlinux_path
&& vmlinux_path__init() < 0)
1922 if (symbol_conf
.field_sep
&& *symbol_conf
.field_sep
== '.') {
1923 pr_err("'.' is the only non valid --field-separator argument\n");
1927 if (setup_list(&symbol_conf
.dso_list
,
1928 symbol_conf
.dso_list_str
, "dso") < 0)
1931 if (setup_list(&symbol_conf
.comm_list
,
1932 symbol_conf
.comm_list_str
, "comm") < 0)
1933 goto out_free_dso_list
;
1935 if (setup_list(&symbol_conf
.sym_list
,
1936 symbol_conf
.sym_list_str
, "symbol") < 0)
1937 goto out_free_comm_list
;
1942 strlist__delete(symbol_conf
.dso_list
);
1944 strlist__delete(symbol_conf
.comm_list
);
1948 int map_groups__create_kernel_maps(struct map_groups
*self
,
1949 struct map
*vmlinux_maps
[MAP__NR_TYPES
])
1951 struct dso
*kernel
= dsos__create_kernel(symbol_conf
.vmlinux_name
);
1956 if (__map_groups__create_kernel_maps(self
, vmlinux_maps
, kernel
) < 0)
1959 if (symbol_conf
.use_modules
&& map_groups__create_modules(self
) < 0)
1960 pr_debug("Problems creating module maps, continuing anyway...\n");
1962 * Now that we have all the maps created, just set the ->end of them:
1964 map_groups__fixup_end(self
);