diff options
Diffstat (limited to 'tools')
-rw-r--r-- | tools/perf/util/symbol-elf.c | 82 |
1 files changed, 54 insertions, 28 deletions
diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c index a73345730ba9..eb10b4e0d888 100644 --- a/tools/perf/util/symbol-elf.c +++ b/tools/perf/util/symbol-elf.c @@ -1074,8 +1074,9 @@ static int dso__process_kernel_symbol(struct dso *dso, struct map *map, return 0; } -int dso__load_sym(struct dso *dso, struct map *map, struct symsrc *syms_ss, - struct symsrc *runtime_ss, int kmodule) +static int +dso__load_sym_internal(struct dso *dso, struct map *map, struct symsrc *syms_ss, + struct symsrc *runtime_ss, int kmodule, int dynsym) { struct kmap *kmap = dso->kernel ? map__kmap(map) : NULL; struct maps *kmaps = kmap ? map__kmaps(map) : NULL; @@ -1098,34 +1099,15 @@ int dso__load_sym(struct dso *dso, struct map *map, struct symsrc *syms_ss, if (kmap && !kmaps) return -1; - dso->symtab_type = syms_ss->type; - dso->is_64_bit = syms_ss->is_64_bit; - dso->rel = syms_ss->ehdr.e_type == ET_REL; - - /* - * Modules may already have symbols from kallsyms, but those symbols - * have the wrong values for the dso maps, so remove them. - */ - if (kmodule && syms_ss->symtab) - symbols__delete(&dso->symbols); - - if (!syms_ss->symtab) { - /* - * If the vmlinux is stripped, fail so we will fall back - * to using kallsyms. The vmlinux runtime symbols aren't - * of much use. - */ - if (dso->kernel) - goto out_elf_end; - - syms_ss->symtab = syms_ss->dynsym; - syms_ss->symshdr = syms_ss->dynshdr; - } - elf = syms_ss->elf; ehdr = syms_ss->ehdr; - sec = syms_ss->symtab; - shdr = syms_ss->symshdr; + if (dynsym) { + sec = syms_ss->dynsym; + shdr = syms_ss->dynshdr; + } else { + sec = syms_ss->symtab; + shdr = syms_ss->symshdr; + } if (elf_section_by_name(runtime_ss->elf, &runtime_ss->ehdr, &tshdr, ".text", NULL)) @@ -1312,6 +1294,50 @@ out_elf_end: return err; } +int dso__load_sym(struct dso *dso, struct map *map, struct symsrc *syms_ss, + struct symsrc *runtime_ss, int kmodule) +{ + int nr = 0; + int err = -1; + + dso->symtab_type = syms_ss->type; + dso->is_64_bit = syms_ss->is_64_bit; + dso->rel = syms_ss->ehdr.e_type == ET_REL; + + /* + * Modules may already have symbols from kallsyms, but those symbols + * have the wrong values for the dso maps, so remove them. + */ + if (kmodule && syms_ss->symtab) + symbols__delete(&dso->symbols); + + if (!syms_ss->symtab) { + /* + * If the vmlinux is stripped, fail so we will fall back + * to using kallsyms. The vmlinux runtime symbols aren't + * of much use. + */ + if (dso->kernel) + return err; + } else { + err = dso__load_sym_internal(dso, map, syms_ss, runtime_ss, + kmodule, 0); + if (err < 0) + return err; + nr = err; + } + + if (syms_ss->dynsym) { + err = dso__load_sym_internal(dso, map, syms_ss, runtime_ss, + kmodule, 1); + if (err < 0) + return err; + err += nr; + } + + return err; +} + static int elf_read_maps(Elf *elf, bool exe, mapfn_t mapfn, void *data) { GElf_Phdr phdr; |