def main():
""" Main executable function.
Its task is to parse command line options and call a function which performs requested command.
"""
parser = argparse.ArgumentParser(description=__doc__.split('.')[0])
parser.add_argument("-e", "--elffile", type=str, required=True,
help="Input ELF firmware file name")
parser.add_argument("-o", "--valfile", type=str,
help="Values list JSON file name")
parser.add_argument("--dry-run", action="store_true",
help="Do not write any files or do permanent changes")
parser.add_argument("-v", "--verbose", action="count", default=0,
help="Increases verbosity level; max level is set by -vvv")
subparser = parser.add_mutually_exclusive_group(required=True)
subparser.add_argument("-l", "--list", action="store_true",
help="list values stored in the firmware")
subparser.add_argument("-x", "--extract", action="store_true",
help="Extract values to infos json text file")
subparser.add_argument("-u", "--update", action="store_true",
help="Update values in binary fw from infos text file")
subparser.add_argument("-d", "--objdump", action="store_true",
help="display asm like slightly primitive objdump")
subparser.add_argument("--version", action='version', version="%(prog)s {version} by {author}"
.format(version=__version__,author=__author__),
help="Display version information and exit")
po = parser.parse_args()
po.basename = os.path.splitext(os.path.basename(po.elffile))[0]
if len(po.elffile) > 0 and (po.valfile is None or len(po.valfile) == 0):
po.valfile = po.basename + ".json"
if po.objdump:
if (po.verbose > 0):
print("{}: Opening for objdump".format(po.elffile))
elffh = open(po.elffile, "rb")
armfw_elf_generic_objdump(po, elffh)
elffh.close();
elif po.list:
if (po.verbose > 0):
print("{}: Opening for list".format(po.elffile))
elffh = open(po.elffile, "rb")
armfw_elf_dm3xxvals_list(po, elffh)
elffh.close();
elif po.extract:
if (po.verbose > 0):
print("{}: Opening for extract".format(po.elffile))
elffh = open(po.elffile, "rb")
armfw_elf_dm3xxvals_extract(po, elffh)
elffh.close();
elif po.update:
if (po.verbose > 0):
print("{}: Opening for update".format(po.elffile))
elffh = open(po.elffile, "r+b")
armfw_elf_dm3xxvals_update(po, elffh)
elffh.close();
else:
raise NotImplementedError('Unsupported command.')
def main():
""" Main executable function.
Its task is to parse command line options and call a function which performs requested command.
"""
parser = argparse.ArgumentParser(description=__doc__.split('.')[0])
parser.add_argument("-e", "--elffile", type=str, required=True,
help="Input ELF firmware file name")
parser.add_argument("-o", "--valfile", type=str,
help="Values list JSON file name")
parser.add_argument("--dry-run", action="store_true",
help="Do not write any files or do permanent changes")
parser.add_argument("-v", "--verbose", action="count", default=0,
help="Increases verbosity level; max level is set by -vvv")
subparser = parser.add_mutually_exclusive_group(required=True)
subparser.add_argument("-l", "--list", action="store_true",
help="list values stored in the firmware")
subparser.add_argument("-x", "--extract", action="store_true",
help="Extract values to infos json text file")
subparser.add_argument("-u", "--update", action="store_true",
help="Update values in binary fw from infos text file")
subparser.add_argument("-d", "--objdump", action="store_true",
help="display asm like slightly primitive objdump")
subparser.add_argument("--mapfile", action="store_true",
help="export known symbols to map file")
subparser.add_argument("--version", action='version', version="%(prog)s {version} by {author}"
.format(version=__version__,author=__author__),
help="Display version information and exit")
po = parser.parse_args()
po.basename = os.path.splitext(os.path.basename(po.elffile))[0]
if len(po.elffile) > 0 and (po.valfile is None or len(po.valfile) == 0):
po.valfile = po.basename + ".json"
if po.objdump:
if (po.verbose > 0):
print("{}: Opening for objdump".format(po.elffile))
elffh = open(po.elffile, "rb")
armfw_elf_generic_objdump(po, elffh)
elffh.close();
elif po.list:
if (po.verbose > 0):
print("{}: Opening for list".format(po.elffile))
elffh = open(po.elffile, "rb")
armfw_elf_dm3xxvals_list(po, elffh)
elffh.close();
elif po.mapfile:
if (po.verbose > 0):
print("{}: Opening for mapfile generation".format(po.elffile))
elffh = open(po.elffile, "rb")
armfw_elf_dm3xxvals_mapfile(po, elffh)
elffh.close();
elif po.extract:
if (po.verbose > 0):
print("{}: Opening for extract".format(po.elffile))
elffh = open(po.elffile, "rb")
armfw_elf_dm3xxvals_extract(po, elffh)
elffh.close();
elif po.update:
if (po.verbose > 0):
print("{}: Opening for update".format(po.elffile))
elffh = open(po.elffile, "r+b")
armfw_elf_dm3xxvals_update(po, elffh)
elffh.close();
else:
raise NotImplementedError('Unsupported command.')