1 files changed, 0 insertions, 143 deletions
diff --git a/infra/base-images/base-sanitizer-libs-builder/patch_build.py b/infra/base-images/base-sanitizer-libs-builder/patch_build.py
deleted file mode 100755
index cb1f4b1d7..000000000
--- a/infra/base-images/base-sanitizer-libs-builder/patch_build.py
+++ /dev/null
@@ -1,143 +0,0 @@
-#!/usr/bin/env python
-# Copyright 2017 Google Inc.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-################################################################################
-
-from __future__ import print_function
-import argparse
-import os
-import re
-import shutil
-import subprocess
-import sys
-
-INSTRUMENTED_LIBRARIES_DIRNAME = 'instrumented_libraries'
-MSAN_LIBS_PATH = os.getenv('MSAN_LIBS_PATH', '/msan')
-
-
-def IsElf(file_path):
-  """Whether if the file is an elf file."""
-  with open(file_path) as f:
-    return f.read(4) == '\x7fELF'
-
-
-def Ldd(binary_path):
-  """Run ldd on a file."""
-  try:
-    output = subprocess.check_output(['ldd', binary_path], stderr=subprocess.STDOUT)
-  except subprocess.CalledProcessError:
-    print('Failed to call ldd on', binary_path, file=sys.stderr)
-    return []
-
-  libs = []
-
-  OUTPUT_PATTERN = re.compile(r'\s*([^\s]+)\s*=>\s*([^\s]+)')
-  for line in output.splitlines():
-    match = OUTPUT_PATTERN.match(line)
-    if not match:
-      continue
-
-    libs.append((match.group(1), match.group(2)))
-
-  return libs
-
-
-def FindLib(path):
-  """Find instrumented version of lib."""
-  candidate_path = os.path.join(MSAN_LIBS_PATH, path[1:])
-  if os.path.exists(candidate_path):
-    return candidate_path
-  
-  for lib_dir in os.listdir(MSAN_LIBS_PATH):
-    candidate_path = os.path.join(MSAN_LIBS_PATH, lib_dir, path[1:])
-    if os.path.exists(candidate_path):
-      return candidate_path
-
-  return None
-
-
-def PatchBinary(binary_path, instrumented_dir):
-  """Patch binary to link to instrumented libs."""
-  extra_rpaths = set()
-
-  for name, path in Ldd(binary_path):
-    if not os.path.isabs(path):
-      continue
-
-    instrumented_path = FindLib(path)
-    if not instrumented_path:
-      print('WARNING: Instrumented library not found for', path,
-            file=sys.stderr)
-      continue
-
-    target_path = os.path.join(instrumented_dir, path[1:])
-    if not os.path.exists(target_path):
-      print('Copying instrumented lib to', target_path)
-      target_dir = os.path.dirname(target_path)
-      if not os.path.exists(target_dir):
-        os.makedirs(target_dir)
-      shutil.copy2(instrumented_path, target_path)
-
-    extra_rpaths.add(
-        os.path.join('$ORIGIN', INSTRUMENTED_LIBRARIES_DIRNAME,
-                     os.path.dirname(path[1:])))
-
-  if not extra_rpaths:
-    return
-
-  existing_rpaths = subprocess.check_output(
-      ['patchelf', '--print-rpath', binary_path]).strip()
-  processed_rpaths = ':'.join(extra_rpaths)
-  if existing_rpaths:
-    processed_rpaths += ':' + existing_rpaths
-  print('Patching rpath for', binary_path, 'from', existing_rpaths, 'to',
-        processed_rpaths)
-
-  subprocess.check_call(
-      ['patchelf', '--force-rpath', '--set-rpath',
-       processed_rpaths, binary_path])
-
-
-def PatchBuild(output_directory):
-  """Patch build to use msan libs."""
-  instrumented_dir = os.path.join(output_directory,
-                                  INSTRUMENTED_LIBRARIES_DIRNAME)
-  if not os.path.exists(instrumented_dir):
-    os.mkdir(instrumented_dir)
-
-  for root_dir, _, filenames in os.walk(output_directory):
-    for filename in filenames:
-      file_path = os.path.join(root_dir, filename)
-
-      if os.path.islink(file_path):
-        continue
-
-      if not IsElf(file_path):
-        continue
-
-      PatchBinary(file_path, instrumented_dir)
-
-
-def main():
-  parser = argparse.ArgumentParser('patch_build.py', description='MSan build patcher.')
-  parser.add_argument('output_dir', help='Output directory.')
-
-  args = parser.parse_args()
-
-  PatchBuild(os.path.abspath(args.output_dir))
-
-
-if __name__ == '__main__':
-  main()