Roll chromium_revision b032878ebd..e438353b8b (480186:480311)
Copy Valgrind scripts from Chromium's tools/ to unblock rolling:
valgrind/chrome_tests.bat
valgrind/chrome_tests.py
valgrind/chrome_tests.sh
valgrind/common.py
valgrind/gdb_helper.py
valgrind/locate_valgrind.sh
valgrind/memcheck_analyze.py
valgrind/valgrind.gni
valgrind/valgrind.sh
valgrind/valgrind_test.py
valgrind_test.py was stripped of its Mac and Dr Memory specific parts, which
we don't use. There's still more cleanup to do, tracked in bugs.webrc.org/7849.
Change log: https://chromium.googlesource.com/chromium/src/+log/b032878ebd..e438353b8b
Full diff: https://chromium.googlesource.com/chromium/src/+/b032878ebd..e438353b8b
Changed dependencies:
* src/base: https://chromium.googlesource.com/chromium/src/base/+log/cfcc86588b..12890c2e86
* src/build: https://chromium.googlesource.com/chromium/src/build/+log/da7ab41c0b..9ec24027ab
* src/ios: https://chromium.googlesource.com/chromium/src/ios/+log/6a7a3c369e..50158a755d
* src/testing: https://chromium.googlesource.com/chromium/src/testing/+log/3e351800c5..1f3a1393a1
* src/third_party: https://chromium.googlesource.com/chromium/src/third_party/+log/541ca472e8..733d9dc5c9
* src/third_party/catapult: https://chromium.googlesource.com/external/github.com/catapult-project/catapult.git/+log/e9dc4c57fb..57e600c76c
* src/third_party/gtest-parallel: https://chromium.googlesource.com/external/github.com/google/gtest-parallel/+log/6fb62e80ac..4bf9c03d93
* src/tools: https://chromium.googlesource.com/chromium/src/tools/+log/bf99adb051..919bf71aa0
DEPS diff: https://chromium.googlesource.com/chromium/src/+/b032878ebd..e438353b8b/DEPS
No update to Clang.
TBR=ehmaldonado@webrtc.org
BUG=webrtc:7849
NOTRY=True
Review-Url: https://codereview.webrtc.org/2945753002
Cr-Commit-Position: refs/heads/master@{#18650}
diff --git a/tools_webrtc/valgrind/gdb_helper.py b/tools_webrtc/valgrind/gdb_helper.py
new file mode 100644
index 0000000..d127f76
--- /dev/null
+++ b/tools_webrtc/valgrind/gdb_helper.py
@@ -0,0 +1,91 @@
+# Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
+#
+# Use of this source code is governed by a BSD-style license
+# that can be found in the LICENSE file in the root of the source
+# tree. An additional intellectual property rights grant can be found
+# in the file PATENTS. All contributing project authors may
+# be found in the AUTHORS file in the root of the source tree.
+
+''' A bunch of helper functions for querying gdb.'''
+
+import logging
+import os
+import re
+import tempfile
+
+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)