109 lines
3.6 KiB
Python
109 lines
3.6 KiB
Python
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#!/usr/bin/python3
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# Copyright (c) 2015 Andrew Fernandes <andrew@fernandes.org>
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms,
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# with or without modification, are permitted provided
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# that the following conditions are met:
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#
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# * Redistributions of source code must retain
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# the above copyright notice, this list of conditions
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# and the following disclaimer.
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# * Redistributions in binary form must reproduce
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# the above copyright notice, this list of conditions
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# and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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# * Neither the name of the author nor the names
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# of its contributors may be used to endorse
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# or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
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# BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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# AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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# IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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# OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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# OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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# EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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"""Summarize the information in a hex file by printing the execution
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start address (if any), and the address ranges covered by the
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data (if any), in YAML format.
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"""
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VERSION = '2.2'
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USAGE = '''hexinfo: summarize a hex file's contents.
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Usage:
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python hexinfo.py [options] FILE [ FILE ... ]
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Options:
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-h, --help this help message.
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-v, --version version info.
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'''
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import sys
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INDENT = ' '
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INLIST = '- '
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def summarize_yaml(fname):
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print("{:s}file: '{:s}'".format(INLIST, fname))
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from intelhex import IntelHex
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ih = IntelHex(fname)
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if ih.start_addr:
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keys = sorted(ih.start_addr.keys())
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if keys == ['CS','IP']:
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entry = ih.start_addr['CS'] * 65536 + ih.start_addr['IP']
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elif keys == ['EIP']:
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entry = ih.start_addr['EIP']
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else:
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raise RuntimeError("unknown 'IntelHex.start_addr' found")
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print("{:s}entry: 0x{:08X}".format(INDENT, entry))
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segments = ih.segments()
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if segments:
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print("{:s}data:".format(INDENT))
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for s in segments:
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print("{:s}{:s}{{ first: 0x{:08X}, last: 0x{:08X}, length: 0x{:08X} }}".format(INDENT, INLIST, s[0], s[1]-1, s[1]-s[0]))
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print("")
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def main(argv=None):
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import getopt
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if argv is None:
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argv = sys.argv[1:]
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try:
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opts, args = getopt.gnu_getopt(argv, 'hv', ['help', 'version'])
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for o,a in opts:
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if o in ('-h', '--help'):
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print(USAGE)
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return 0
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elif o in ('-v', '--version'):
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print(VERSION)
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return 0
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except getopt.GetoptError:
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e = sys.exc_info()[1] # current exception
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sys.stderr.write(str(e)+"\n")
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sys.stderr.write(USAGE+"\n")
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return 1
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if len(args) < 1:
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sys.stderr.write("ERROR: You should specify one or more files to summarize.\n")
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sys.stderr.write(USAGE+"\n")
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return 1
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for fname in args:
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summarize_yaml(fname)
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if __name__ == '__main__':
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sys.exit(main())
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