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-rwxr-xr-xtools/valgrind/memcheck_analyze.py79
1 files changed, 3 insertions, 76 deletions
diff --git a/tools/valgrind/memcheck_analyze.py b/tools/valgrind/memcheck_analyze.py
index 82372c5..d0ac76b 100755
--- a/tools/valgrind/memcheck_analyze.py
+++ b/tools/valgrind/memcheck_analyze.py
@@ -7,13 +7,13 @@
''' Given a valgrind XML file, parses errors and uniques them.'''
+import gdb_helper
+
import logging
import optparse
import os
-import re
import subprocess
import sys
-import tempfile
import time
from xml.dom.minidom import parse
from xml.parsers.expat import ExpatError
@@ -21,79 +21,6 @@ from xml.parsers.expat import ExpatError
# Global symbol table (yuck)
TheAddressTable = None
-GDB_LINE_RE = re.compile(r'Line ([0-9]*) of "([^"]*)".*')
-
-def _GdbOutputToFileLine(output_line):
- ''' Parse the gdb output line, return a pair (file, line num) '''
- match = GDB_LINE_RE.match(output_line)
- if match:
- return match.groups()[1], match.groups()[0]
- else:
- return None
-
-def ResolveAddressesWithinABinary(binary_name, load_address, address_list):
- ''' For each address, return a pair (file, line num) '''
- commands = tempfile.NamedTemporaryFile()
- commands.write('add-symbol-file "%s" %s\n' % (binary_name, load_address))
- for addr in address_list:
- commands.write('info line *%s\n' % addr)
- commands.write('quit\n')
- commands.flush()
- gdb_commandline = 'gdb -batch -x %s 2>/dev/null' % commands.name
- gdb_pipe = os.popen(gdb_commandline)
- result = gdb_pipe.readlines()
-
- address_count = 0
- ret = {}
- for line in result:
- if line.startswith('Line'):
- ret[address_list[address_count]] = _GdbOutputToFileLine(line)
- address_count += 1
- if line.startswith('No line'):
- ret[address_list[address_count]] = (None, None)
- address_count += 1
- gdb_pipe.close()
- commands.close()
- return ret
-
-class _AddressTable(object):
- ''' Object to do batched line number lookup. '''
- def __init__(self):
- self._load_addresses = {}
- self._binaries = {}
- self._all_resolved = False
-
- def AddBinaryAt(self, binary, load_address):
- ''' Register a new shared library or executable. '''
- self._load_addresses[binary] = load_address
-
- def Add(self, binary, address):
- ''' Register a lookup request. '''
- if binary == '':
- logging.warn('adding address %s in empty binary?' % address)
- if binary in self._binaries:
- self._binaries[binary].append(address)
- else:
- self._binaries[binary] = [address]
- self._all_resolved = False
-
- def ResolveAll(self):
- ''' Carry out all lookup requests. '''
- self._translation = {}
- for binary in self._binaries.keys():
- if binary != '' and binary in self._load_addresses:
- load_address = self._load_addresses[binary]
- addr = ResolveAddressesWithinABinary(binary, load_address, self._binaries[binary])
- self._translation[binary] = addr
- self._all_resolved = True
-
- def GetFileLine(self, binary, addr):
- ''' Get the (filename, linenum) result of a previously-registered lookup request. '''
- if self._all_resolved:
- if binary in self._translation:
- if addr in self._translation[binary]:
- return self._translation[binary][addr]
- return (None, None)
# These are functions (using C++ mangled names) that we look for in stack
# traces. We don't show stack frames while pretty printing when they are below
@@ -394,7 +321,7 @@ class MemcheckAnalyze:
global TheAddressTable
if use_gdb:
- TheAddressTable = _AddressTable()
+ TheAddressTable = gdb_helper.AddressTable()
self._errors = set()
self._suppcounts = {}
badfiles = set()