1 files changed, 62 insertions, 0 deletions
diff --git a/tools/performance-log-coalesce.py b/tools/performance-log-coalesce.py
new file mode 100755
index 0000000..fbbaca3
--- /dev/null
+++ b/tools/performance-log-coalesce.py
@@ -0,0 +1,62 @@
+#!/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))