diff options
Diffstat (limited to '')
| -rwxr-xr-x | bfd/load.py | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/bfd/load.py b/bfd/load.py index 08adfc5..ae984c8 100755 --- a/bfd/load.py +++ b/bfd/load.py @@ -24,6 +24,8 @@ class CLIArgParser(object): parser.add_argument("--objcode", action='store_true', help="dump objects", default=False) parser.add_argument("--test", action='store_true', help="test switch", default=False) parser.add_argument("--dynsym", action='store_true', help="dump dynamic symbol table", default=False) + parser.add_argument("--dlpath", action='store_true', help="dump dynamic linker path", default=False) + parser.add_argument("--section", type=str, help="dump a section") self.args = parser.parse_args() if self.args.obj is None: raise Exception("no object file provided. please specify an object with --obj.") @@ -296,6 +298,7 @@ class ELF(object): self.symbol_table_e = [] self.data_section = [] self.text_section = [] + self.dlpath = str() def init(self, size): self.size = size @@ -449,6 +452,36 @@ class ELF(object): print(name) return ret_list + def dump_section(self, section_name): + for section in self.shhdr: + name = self.read_section_name(byte2int(section.sh_name)) + if name == section_name: + self.so.seek(byte2int(section.sh_offset)) + obj = self.so.read(byte2int(section.sh_size)) + if section_name == ".interp": self.dlpath = repr(obj) + count = int() + strrep = [] + for byte in obj: + if count%16 == 0: + for ch in strrep: + if ord(ch) > 16: print(ch, end = '') + else: pass + print() + strrep = [] + print(format(count, "06x"), ': ', end='') + strrep.append(str(chr(byte))) + print(format(byte, '02x') + ' ', end='') + else: + strrep += str(chr(byte)) + print(format(byte, '02x') + ' ', end='') + count += 1 + for i in range(0, 16-count%16): print(" ", end="") + for ch in strrep: + if ord(ch) > 16: print(ch, end = '') + else: pass + print() + return self.dlpath + def dump_obj_size(self, stt_type, dump_b): ret_list = [] for entry in self.string_tb_e: @@ -706,6 +739,8 @@ def main(): elif argparser.args.test: elf.dump_symbol_string(ELF_ST_TYPE.STT_FUNC, True) elif argparser.args.test: elf.dump_symbol_string(ELF_ST_TYPE.STT_OBJECT, True) elif argparser.args.dynsym: elf.dump_st_entries_dyn() + elif argparser.args.dlpath: elf.dump_section(".interp") + elif argparser.args.section: elf.dump_section(argparser.args.section) except: variables = globals().copy() variables.update(locals()) |