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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Command-line wrapper for the tracetool machinery.
"""
__author__ = "Lluís Vilanova <vilanova@ac.upc.edu>"
__copyright__ = "Copyright 2012, Lluís Vilanova <vilanova@ac.upc.edu>"
__license__ = "GPL version 2 or (at your option) any later version"
__maintainer__ = "Stefan Hajnoczi"
__email__ = "stefanha@linux.vnet.ibm.com"
import sys
import getopt
from tracetool import error_write, out
import tracetool.backend
import tracetool.format
_SCRIPT = ""
def error_opt(msg = None):
if msg is not None:
error_write("Error: " + msg + "\n")
backend_descr = "\n".join([ " %-15s %s" % (n, d)
for n,d in tracetool.backend.get_list() ])
format_descr = "\n".join([ " %-15s %s" % (n, d)
for n,d in tracetool.format.get_list() ])
error_write("""\
Usage: %(script)s --format=<format> --backend=<backend> [<options>]
Backends:
%(backends)s
Formats:
%(formats)s
Options:
--help This help message.
--list-backends Print list of available backends.
--check-backend Check if the given backend is valid.
""" % {
"script" : _SCRIPT,
"backends" : backend_descr,
"formats" : format_descr,
})
if msg is None:
sys.exit(0)
else:
sys.exit(1)
def main(args):
global _SCRIPT
_SCRIPT = args[0]
long_opts = [ "backend=", "format=", "help", "list-backends", "check-backend" ]
long_opts += [ "binary=", "target-type=", "target-arch=", "probe-prefix=" ]
try:
opts, args = getopt.getopt(args[1:], "", long_opts)
except getopt.GetoptError as err:
error_opt(str(err))
check_backend = False
arg_backend = ""
arg_format = ""
for opt, arg in opts:
if opt == "--help":
error_opt()
elif opt == "--backend":
arg_backend = arg
elif opt == "--format":
arg_format = arg
elif opt == "--list-backends":
backends = tracetool.backend.get_list()
out(", ".join([ b for b,_ in backends ]))
sys.exit(0)
elif opt == "--check-backend":
check_backend = True
else:
error_opt("unhandled option: %s" % opt)
if arg_backend is None:
error_opt("backend not set")
if check_backend:
if tracetool.backend.exists(arg_backend):
sys.exit(0)
else:
sys.exit(1)
try:
tracetool.generate(sys.stdin, arg_format, arg_backend)
except tracetool.TracetoolError as e:
error_opt(str(e))
if __name__ == "__main__":
main(sys.argv)
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