diff options
| -rw-r--r-- | src/base/loader/elf_object.cc | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/src/base/loader/elf_object.cc b/src/base/loader/elf_object.cc index 6fcbd0ae3..1b1841a45 100644 --- a/src/base/loader/elf_object.cc +++ b/src/base/loader/elf_object.cc @@ -266,12 +266,20 @@ ElfObject::ElfObject(const string &_filename, int _fd, gelf_getshdr(section, &shdr); char * secName = elf_strptr(elf, ehdr.e_shstrndx, shdr.sh_name); - if (!strcmp(".text", secName)) { - textSecStart = shdr.sh_addr; - } else if (!strcmp(".data", secName)) { - dataSecStart = shdr.sh_addr; - } else if (!strcmp(".bss", secName)) { - bssSecStart = shdr.sh_addr; + if (secName) { + if (!strcmp(".text", secName)) { + textSecStart = shdr.sh_addr; + } else if (!strcmp(".data", secName)) { + dataSecStart = shdr.sh_addr; + } else if (!strcmp(".bss", secName)) { + bssSecStart = shdr.sh_addr; + } + } else { + Elf_Error errorNum = (Elf_Error)elf_errno(); + if (errorNum != ELF_E_NONE) { + const char *errorMessage = elf_errmsg(errorNum); + fatal("Error from libelf: %s.\n", errorMessage); + } } section = elf_getscn(elf, ++secIdx); |