Adding the BeOS port. More checkins to follow.

BeOS/ar-1.1/docs/dumpo.py

@@ -0,0 +1,126 @@
+#! /bin/env python
+""" Dump data about a Metrowerks object file.
+
+Based on reverse-engineering the library file format, since the docs are
+wrong.
+
+Copyright (C) 1997 Chris Herborth (chrish@qnx.com)
+"""
+
+# ----------------------------------------------------------------------
+# Standard modules
+import sys, getopt, string, time
+
+# ----------------------------------------------------------------------
+# Extra goodies
+from dumpar import mk_long, str2hex, print_offset, get_string
+
+# ----------------------------------------------------------------------
+def mk_short( str ):
+	""" convert a 2-byte string into a number
+
+	Assumes big-endian!
+	"""
+	if len( str ) < 2:
+		raise ValueError, "str must be 2 bytes long"
+
+	num = ord( str[1] )
+	num = num + ord( str[0] ) * 0x100
+
+	return num
+
+# ----------------------------------------------------------------------
+def usage():
+	""" Display a usage message and exit.
+	"""
+	print "dumpo [-v] object1 [object2 ... objectn]"
+	print
+	print "Attempt to display some useful information about the contents"
+	print "of the given Metrowerks object file(s)."
+	print
+	print "-v        Be verbose (displays offsets along with the data)"
+	raise SystemExit
+
+# ----------------------------------------------------------------------
+def dump_o( file, verbose ):
+	""" dump information about a Metrowerks object file
+
+	Note that there is more info there, 6 more quads before the file name.
+	"""
+	offset = 0
+
+	print "Dumping object:", file
+
+	# Attempt to read the data.
+	try:
+		data = open( file ).read()
+	except IOError, retval:
+		print "*** Unable to open file %s: %s" % ( file, retval[1] )
+		return
+
+	# Check the magic number.
+	if verbose:
+		print_offset( offset )
+	print "Magic:",
+	magic = data[offset:offset + 8]
+	print "'%s'" % ( magic )
+	if magic != "MWOBPPC ":
+		print "*** Invalid magic  number!"
+		return
+
+	offset = offset + 8
+
+	# version
+	if verbose:
+		print_offset( offset )
+	print "version:", mk_long( data[offset:offset + 4] )
+	offset = offset + 4
+
+	# flags
+	if verbose:
+		print_offset( offset )
+	print "flags:", str2hex( data[offset:offset + 4] )
+	offset = offset + 4
+
+	# code size
+	if verbose:
+		print_offset( offset )
+	print "code size:", mk_long( data[offset:offset + 4] )
+	offset = offset + 4
+
+	# data size
+	if verbose:
+		print_offset( offset )
+	print "data size:", mk_long( data[offset:offset + 4] )
+	offset = offset + 4
+
+# ----------------------------------------------------------------------
+def main():
+	""" mainline
+	"""
+
+	# Set up some defaults
+	be_verbose = 0
+
+	# First, check the command-line arguments
+	try:
+		opt, args = getopt.getopt( sys.argv[1:], "vh?" )
+	except getopt.error:
+		print "*** Error parsing command-line options!"
+		usage()
+
+	for o in opt:
+		if o[0] == "-h" or o[0] == "-?":
+			usage()
+		elif o[0] == "-v":
+			be_verbose = 1
+		else:
+			print "*** Unknown command-line option!"
+			usage()
+
+	# Now we can attempt to dump info about the arguments.
+	for obj in args:
+		dump_o( obj, be_verbose )
+
+if __name__ == "__main__":
+	main()