Author: Hakan Ardo <ha...@debian.org>
Branch: jit-short_from_state
Changeset: r44719:c5c326e79536
Date: 2011-06-05 16:28 +0200
http://bitbucket.org/pypy/pypy/changeset/c5c326e79536/
Log: locate a resop in the log using the address of its compiled
assembler
diff --git a/pypy/jit/tool/findadrinlog.py b/pypy/jit/tool/findadrinlog.py
new file mode 100644
--- /dev/null
+++ b/pypy/jit/tool/findadrinlog.py
@@ -0,0 +1,47 @@
+import sys, re
+from pypy.tool import logparser
+
+# fflush(pypy_debug_file)
+
+if len(sys.argv) != 3:
+ print "Usage: %s <log file> <address>" % sys.argv[0]
+
+log = logparser.parse_log_file(sys.argv[1])
+text = logparser.extract_category(log, catprefix='jit-backend')
+address = int(sys.argv[2], 16)
+
+for l in text:
+ m = re.match('(Loop|Bridge)(.*?) \(.*has address (\w+) to (\w+)', l)
+ if m is not None:
+ trace = m.group(1) + m.group(2)
+ start = int(m.group(3), 16)
+ stop = int(m.group(4), 16)
+ if start <= address <= stop:
+ offset = address - start
+ print trace
+ print 'at offset ', offset
+ break
+else:
+ print "Not found"
+ exit(0)
+
+if trace.startswith('Bridge'):
+ cat = 'jit-log-opt-bridge'
+else:
+ cat = 'jit-log-opt-loop'
+text = logparser.extract_category(log, catprefix=cat)
+
+print "..."
+s = trace.lower()
+s = re.subn('#', '', s)[0]
+s = '# ' + s + ' '
+for ll in text:
+ if ll.lower().startswith(s):
+ for l in ll.split('\n'):
+ m = re.match('\+(\d+):', l)
+ if m is not None:
+ if abs(int(m.group(1)) - offset) < 50:
+ print l
+print "..."
+
+
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