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port makebin.py to python3

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This commit is contained in:
dhewg 2022-12-19 19:01:46 +01:00
parent befb64ce1c
commit fc1234b22d
1 changed files with 9 additions and 9 deletions
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18
makebin.py
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@ -1,4 +1,4 @@
#!/usr/bin/env python #!/usr/bin/env python3
import sys, os, struct import sys, os, struct
@ -11,7 +11,7 @@ data = open(loaderfile,"rb").read()
hdrlen, loaderlen, elflen, arg = struct.unpack(">IIII",data[:16]) hdrlen, loaderlen, elflen, arg = struct.unpack(">IIII",data[:16])
if hdrlen < 0x10: 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) sys.exit(1)
loaderoff = hdrlen loaderoff = hdrlen
@ -24,25 +24,25 @@ loader = data[loaderoff:elfoff]
elf = open(elffile,"rb").read() elf = open(elffile,"rb").read()
if elflen > 0: if elflen > 0:
print "WARNING: loader already contains ELF, will replace" print("WARNING: loader already contains ELF, will replace")
elflen = len(elf) elflen = len(elf)
if loaderlen < len(loader): 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) sys.exit(1)
if loaderlen > len(loader): if loaderlen > len(loader):
print "Padding loader with 0x%x zeroes"%(loaderlen-len(loader)) print("Padding loader with 0x%x zeroes"%(loaderlen-len(loader)))
loader += "\x00"*(loaderlen-len(loader)) loader += b"\0"*(loaderlen-len(loader))
newdata = struct.pack(">IIII", hdrlen, loaderlen, elflen, 0) + hdr[16:] newdata = struct.pack(">IIII", hdrlen, loaderlen, elflen, 0) + hdr[16:]
newdata += loader newdata += loader
newdata += elf newdata += elf
print "Header: 0x%x bytes"%(hdrlen) print("Header: 0x%x bytes"%(hdrlen))
print "Loader: 0x%x bytes"%(loaderlen) print("Loader: 0x%x bytes"%(loaderlen))
print "ELF: 0x%x bytes"%(elflen) print("ELF: 0x%x bytes"%(elflen))
f = open(outfile,"wb") f = open(outfile,"wb")
f.write(newdata) f.write(newdata)