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Parse ELF header.

This commit is contained in:
Jussi Pakkanen 2013-02-03 13:49:12 +02:00
parent 47f8602f1b
commit 732a1b0000
1 changed files with 24 additions and 2 deletions
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26
rpathtool.py
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@ -14,10 +14,32 @@
# See the License for the specific language governing permissions and
# limitations under the License.
import sys
import sys, struct
class Elf():
def __init__(self, bfile):
self.bf = open(bfile, 'rb')
self.ident = struct.unpack('16s', self.bf.read(16))[0]
if self.ident[1:4] != b'ELF':
raise RuntimeError('File "%s" is not an ELF file.' % bfile)
self.e_type = struct.unpack('h', self.bf.read(2))[0]
self.e_machine = struct.unpack('h', self.bf.read(2))[0]
self.e_version = struct.unpack('i', self.bf.read(4))[0]
self.e_entry = struct.unpack('Q', self.bf.read(8))[0]
self.e_phoff = struct.unpack('Q', self.bf.read(8))[0]
self.e_shoff = struct.unpack('Q', self.bf.read(8))[0]
self.e_flags = struct.unpack('i', self.bf.read(4))[0]
self.e_ehsize = struct.unpack('h', self.bf.read(2))[0]
self.e_phentsize = struct.unpack('h', self.bf.read(2))[0]
self.e_phnum = struct.unpack('h', self.bf.read(2))[0]
self.e_shentsize = struct.unpack('h', self.bf.read(2))[0]
self.e_shnum = struct.unpack('h', self.bf.read(2))[0]
self.e_shstrndx = struct.unpack('h', self.bf.read(2))[0]
def remove_rpath(bfile):
bf = open(bfile, 'rb')
elf = Elf(bfile)
if __name__ == '__main__':
if len(sys.argv) != 2: