port makebin.py to python3

This commit is contained in:
dhewg 2022-12-19 19:01:46 +01:00
parent befb64ce1c
commit fc1234b22d

View File

@ -1,4 +1,4 @@
#!/usr/bin/env python
#!/usr/bin/env python3
import sys, os, struct
@ -11,7 +11,7 @@ data = open(loaderfile,"rb").read()
hdrlen, loaderlen, elflen, arg = struct.unpack(">IIII",data[:16])
if hdrlen < 0x10:
print "ERROR: header length is 0x%x, expected at least 0x10"%hdrlen
print("ERROR: header length is 0x%x, expected at least 0x10"%hdrlen)
sys.exit(1)
loaderoff = hdrlen
@ -24,25 +24,25 @@ loader = data[loaderoff:elfoff]
elf = open(elffile,"rb").read()
if elflen > 0:
print "WARNING: loader already contains ELF, will replace"
print("WARNING: loader already contains ELF, will replace")
elflen = len(elf)
if loaderlen < len(loader):
print "ERROR: loader is larger than its reported length"
print("ERROR: loader is larger than its reported length")
sys.exit(1)
if loaderlen > len(loader):
print "Padding loader with 0x%x zeroes"%(loaderlen-len(loader))
loader += "\x00"*(loaderlen-len(loader))
print("Padding loader with 0x%x zeroes"%(loaderlen-len(loader)))
loader += b"\0"*(loaderlen-len(loader))
newdata = struct.pack(">IIII", hdrlen, loaderlen, elflen, 0) + hdr[16:]
newdata += loader
newdata += elf
print "Header: 0x%x bytes"%(hdrlen)
print "Loader: 0x%x bytes"%(loaderlen)
print "ELF: 0x%x bytes"%(elflen)
print("Header: 0x%x bytes"%(hdrlen))
print("Loader: 0x%x bytes"%(loaderlen))
print("ELF: 0x%x bytes"%(elflen))
f = open(outfile,"wb")
f.write(newdata)