60 lines
1.6 KiB
Plaintext
60 lines
1.6 KiB
Plaintext
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#!/usr/bin/env python3
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import argparse
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import os, sys
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from lib.dump import decode_dump
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def main():
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# parse the arguments
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ap = argparse.ArgumentParser(description="""
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Parse and decode a memory dump obtained from the D2/D21/D23 g-code
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into readable metadata and binary. The output binary is padded and
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extended to fit the original address range.
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""")
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ap.add_argument('-i', dest='info', action='store_true',
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help='display crash info only')
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ap.add_argument('dump')
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ap.add_argument('output', nargs='?')
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args = ap.parse_args()
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# decode the dump data
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dump = decode_dump(args.dump)
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if dump is None:
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return os.EX_DATAERR
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# output descriptors
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if args.info:
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o_fd = None
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o_md = sys.stdout
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elif args.output is None:
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o_fd = sys.stdout.buffer
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o_md = sys.stderr
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else:
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o_fd = open(args.output, 'wb')
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o_md = sys.stdout
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# output binary
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if o_fd:
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o_fd.write(dump.data)
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o_fd.close()
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# metadata
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print(' dump type: {typ}\n'
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'crash reason: {reason}\n'
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' registers: {regs}\n'
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' PC: {pc}\n'
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' SP: {sp}\n'
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' ranges: {ranges}'.format(
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typ=dump.typ,
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reason=dump.reason.name if dump.reason is not None else 'N/A',
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regs=dump.regs,
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pc='{:#x}'.format(dump.pc) if dump.pc is not None else 'N/A',
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sp='{:#x}'.format(dump.sp) if dump.sp is not None else 'N/A',
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ranges=str(dump.ranges)),
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file=o_md)
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if __name__ == '__main__':
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exit(main())
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