Mirror of roytam1's UXP fork just in case Moonchild and Tobin decide to go after him
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#!/usr/bin/python
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
# Usage: pgomerge.py <binary basename> <dist/bin>
# Gathers .pgc files from dist/bin and merges them into
# $PWD/$basename.pgd using pgomgr, then deletes them.
# No errors if any of these files don't exist.
import sys, os, os.path, subprocess
if not sys.platform == "win32":
raise Exception("This script was only meant for Windows.")
def MergePGOFiles(basename, pgddir, pgcdir):
"""Merge pgc files produced from an instrumented binary
into the pgd file for the second pass of profile-guided optimization
with MSVC. |basename| is the name of the DLL or EXE without the
extension. |pgddir| is the path that contains <basename>.pgd
(should be the objdir it was built in). |pgcdir| is the path
containing basename!N.pgc files, which is probably dist/bin.
Calls pgomgr to merge each pgc file into the pgd, then deletes
the pgc files."""
if not os.path.isdir(pgddir) or not os.path.isdir(pgcdir):
return
pgdfile = os.path.abspath(os.path.join(pgddir, basename + ".pgd"))
if not os.path.isfile(pgdfile):
return
for file in os.listdir(pgcdir):
if file.startswith(basename+"!") and file.endswith(".pgc"):
try:
pgcfile = os.path.normpath(os.path.join(pgcdir, file))
subprocess.call(['pgomgr', '-merge',
pgcfile,
pgdfile])
os.remove(pgcfile)
except OSError:
pass
if __name__ == '__main__':
if len(sys.argv) != 3:
print >>sys.stderr, "Usage: pgomerge.py <binary basename> <dist/bin>"
sys.exit(1)
MergePGOFiles(sys.argv[1], os.getcwd(), sys.argv[2])