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#!/usr/bin/env python3
"""
performance-log-coalesce.py -- Coalesce GIMP performance log symbols, by
filling-in missing base addresses
Copyright (C) 2018 Ell
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
Usage: performance-log-coalesce.py < infile > outfile
"""
from xml.etree import ElementTree
import sys
empty_element = ElementTree.Element ("")
# Read performance log from STDIN
log = ElementTree.fromstring (sys.stdin.buffer.read ())
address_map = log.find ("address-map")
if address_map:
addresses = []
# Create base addresses dictionary
base_addresses = {}
for address in address_map.iterfind ("address"):
symbol = address.find ("symbol").text
source = address.find ("source").text
base = address.find ("base").text
if symbol and source and not base:
key = (symbol, source)
value = int (address.get ("value"), 0)
base_addresses[key] = min (value, base_addresses.get (key, value))
addresses.append (address)
# Fill-in missing base addresses
for address in addresses:
symbol = address.find ("symbol").text
source = address.find ("source").text
address.find ("base").text = hex (base_addresses[(symbol, source)])
# Write performance log to STDOUT
sys.stdout.buffer.write (ElementTree.tostring (log))
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