def patch_elf():
dprint("Loading \"%s\"..." % args.source)
with open(args.source, "rb") as file:
elf_data = bytearray(file.read())
elf = ELFObject()
elf.fromFile(StringIO(elf_data))
for s in elf.getSections():
dprint(" %-16s: 0x%08x -> 0x%08x %8d" %
(s.name, s.lma, s.sh_addr, s.sh_size)
)
##########
dprint("\nPatching section \"%s\"..." % args.section)
section = elf.getSection(args.section)
if section == None:
raise Exception("Section not found")
info = VersionInfo(elf)
patch_section(elf, elf_data, section, info.pack())
info.image_crc = CRC32().forge(
0x00000000, elf_to_bin(elf, elf_data),
section.lma - elf.getSections()[0].lma
)
patch_section(elf, elf_data, section, info.pack())
dprint(" image_crc = 0x%08x" % info.image_crc)
dprint(" image_size = %d" % info.image_size)
##########
dprint("\nSaving \"%s\"..." % args.target)
with open(args.target, "wb") as file:
file.write(elf_data)
def patch_elf():
dprint("Loading \"%s\"..." % args.source)
with open(args.source, "rb") as file:
elf_data = bytearray(file.read())
elf = ELFObject()
elf.fromFile(StringIO(elf_data))
for s in elf.getSections():
dprint(" %-16s: 0x%08x -> 0x%08x %8d" %
(s.name, s.lma, s.sh_addr, s.sh_size)
)
##########
dprint("\nPatching section \"%s\"..." % args.section)
section = elf.getSection(args.section)
if section == None:
raise Exception("Section not found")
info = VersionInfo(elf)
patch_section(elf, elf_data, section, info.pack())
info.image_crc = CRC32().forge(
0x00000000, elf_to_bin(elf, elf_data),
section.lma - elf.getSections()[0].lma
)
patch_section(elf, elf_data, section, info.pack())
dprint(" image_crc = 0x%08x" % info.image_crc)
dprint(" image_size = %d" % info.image_size)
##########
dprint("\nSaving \"%s\"..." % args.target)
with open(args.target, "wb") as file:
file.write(elf_data)