diff options
Diffstat (limited to 'src/elflint.c')
| -rw-r--r-- | src/elflint.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/src/elflint.c b/src/elflint.c index e4ebac4c..10032874 100644 --- a/src/elflint.c +++ b/src/elflint.c @@ -2352,9 +2352,9 @@ section [%2d] '%s': section groups only allowed in relocatable object files\n"), } /* Check that sh_link is an index of a symbol table. */ + Elf_Scn *symscn = elf_getscn (ebl->elf, shdr->sh_link); GElf_Shdr symshdr_mem; - GElf_Shdr *symshdr = gelf_getshdr (elf_getscn (ebl->elf, shdr->sh_link), - &symshdr_mem); + GElf_Shdr *symshdr = gelf_getshdr (symscn, &symshdr_mem); if (symshdr == NULL) ERROR (gettext ("section [%2d] '%s': cannot get symbol table: %s\n"), idx, section_name (ebl, idx), elf_errmsg (-1)); @@ -2375,6 +2375,19 @@ section [%2d] '%s': invalid symbol index in sh_info\n"), ERROR (gettext ("section [%2d] '%s': sh_flags not zero\n"), idx, section_name (ebl, idx)); + GElf_Sym sym_data; + GElf_Sym *sym = gelf_getsym (elf_getdata (symscn, NULL), shdr->sh_info, + &sym_data); + if (sym == NULL) + ERROR (gettext ("\ +section [%2d] '%s': cannot get symbol for signature\n"), + idx, section_name (ebl, idx)); + else if (strcmp (elf_strptr (ebl->elf, symshdr->sh_link, sym->st_name), + "") == 0) + ERROR (gettext ("\ +section [%2d] '%s': signature symbol canot be empty string\n"), + idx, section_name (ebl, idx)); + if (be_strict && shdr->sh_entsize != elf32_fsize (ELF_T_WORD, 1, EV_CURRENT)) ERROR (gettext ("section [%2d] '%s': sh_flags not set correctly\n"), |