diff options
Diffstat (limited to 'tools/perf/util/symbol-elf.c')
| -rw-r--r-- | tools/perf/util/symbol-elf.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c index 65f7e389ae09..53bb5f59ec58 100644 --- a/tools/perf/util/symbol-elf.c +++ b/tools/perf/util/symbol-elf.c @@ -38,7 +38,7 @@ static inline char *bfd_demangle(void __maybe_unused *v, #endif #ifndef HAVE_ELF_GETPHDRNUM_SUPPORT -static int elf_getphdrnum(Elf *elf, size_t *dst) +int elf_getphdrnum(Elf *elf, size_t *dst) { GElf_Ehdr gehdr; GElf_Ehdr *ehdr; @@ -875,6 +875,17 @@ int dso__load_sym(struct dso *dso, struct map *map, } } + /* + * Handle any relocation of vdso necessary because older kernels + * attempted to prelink vdso to its virtual address. + */ + if (dso__is_vdso(dso)) { + GElf_Shdr tshdr; + + if (elf_section_by_name(elf, &ehdr, &tshdr, ".text", NULL)) + map->reloc = map->start - tshdr.sh_addr + tshdr.sh_offset; + } + dso->adjust_symbols = runtime_ss->adjust_symbols || ref_reloc(kmap); /* * Initial kernel and module mappings do not map to the dso. For |