| #!/usr/bin/env python |
| # Generate expected binary hexdump output from specially formatted asm file. |
| # |
| # Copyright (C) 2009 Peter Johnson |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions |
| # are met: |
| # 1. Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # 2. Redistributions in binary form must reproduce the above copyright |
| # notice, this list of conditions and the following disclaimer in the |
| # documentation and/or other materials provided with the distribution. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND OTHER CONTRIBUTORS ``AS IS'' |
| # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR OTHER CONTRIBUTORS BE |
| # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| # POSSIBILITY OF SUCH DAMAGE. |
| |
| def gen_expected(fout, fin): |
| count = 0 |
| for line in fin: |
| if not line: |
| continue |
| if line.startswith(';'): |
| continue |
| # extract portion after ; character |
| (insn, sep, comment) = line.partition(';') |
| if not sep: |
| continue # ; not found |
| # comment must be formatted as 2-char hex and/or 3-char octal bytes |
| # separated by spaces |
| bytes = [] |
| for byte in comment.split(): |
| if len(byte) == 2: |
| bytes.append(int(byte, 16)) |
| elif len(byte) == 3: |
| bytes.append(int(byte, 8)) |
| else: |
| break |
| for byte in bytes: |
| print >>fout, "%02x " % byte |
| count += 1 |
| print "Processed %d instructions" % count |
| |
| |
| if __name__ == "__main__": |
| import sys |
| if len(sys.argv) != 3: |
| print >>sys.stderr, "Usage: gencheck.py <in.asm> <out.hex>" |
| sys.exit(2) |
| gen_expected(open(sys.argv[2], "w"), open(sys.argv[1], "r")) |