Jmaa/infernal-interpreter
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Even more unix.

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Jon Michael Aanes 2017-11-19 16:58:11 +01:00
parent 8d0b672b63
commit f7aeb27e6e
1 changed files with 18 additions and 6 deletions
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24
infernal.py
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@ -10,7 +10,8 @@ import Junk
def parse_args ():
parser = argparse.ArgumentParser(description="For fun x86-64 emulator and stack visualizer.")
parser.add_argument('-i', '--input-file', default='-', help = '.S file to use as input', dest = 'filename')
parser.add_argument('-i', '--input-file', default='-', help = '.S file to use as input', dest = 'input-file')
parser.add_argument('-o', '--output-file', default='-', help = '.S file to use as output', dest = 'output-file')
for register in REGISTERS:
parser.add_argument('--'+register[1:], nargs = 1, type = int, default = [Junk.Junk()], dest = register)
args = vars(parser.parse_args())
@ -23,18 +24,28 @@ def parse_args ():
registers_init['rsp'] = 0
registers_init['rbp'] = Junk.Junk('old bp')
#
program = ""
if args['filename'] == '-':
if args['input-file'] == '-':
program = sys.stdin.read()
else:
with open(args['filename']) as file:
with open(args['input-file']) as file:
program = file.read()
return (program, registers_init)
# Output file:
output_file = None
if args['output-file'] == '-':
output_file = sys.stdout
else:
output_file = open(args['output-file'], 'w')
##
return (program, registers_init, output_file)
def main ():
(program, registers_init) = parse_args()
(program, registers_init, output_file) = parse_args()
# Determine registers to display
registers_to_draw = ["%rip","%rbp","%rsp", ""]
@ -56,7 +67,8 @@ def main ():
painter.drawNames(emu)
# Display result
print(painter.to_string())
output_file.write(painter.to_string())
output_file.close()
if __name__ == "__main__":
main()