1 #!/bin/bash 2 3 # Copyright (c) 2013 The Chromium Authors. All rights reserved. 4 # Use of this source code is governed by a BSD-style license that can be 5 # found in the LICENSE file. 6 7 # For app bundles built with ASan, copies the runtime lib 8 # (libclang_rt.asan_osx_dynamic.dylib), on which their executables depend, from 9 # the compiler installation path into the bundle and fixes the dylib's install 10 # name in the binary to be relative to @executable_path. 11 12 set -e 13 14 BINARY="${BUILT_PRODUCTS_DIR}/${EXECUTABLE_PATH}" 15 16 if [[ ! -f "$BINARY" ]]; then 17 # This is neither an .app bundle nor a standalone executable. 18 # Most certainly the script has been called for a data bundle. 19 exit 0 20 fi 21 22 BINARY_DIR="$(dirname "${BINARY}")" 23 24 # Find the link to the ASan runtime encoded in the binary. 25 BUILTIN_DYLIB_PATH=$(otool -L "${BINARY}" | \ 26 sed -Ene 's/^[[:blank:]]+(.*libclang_rt\.asan_.*_dynamic\.dylib).*$/\1/p') 27 28 if [[ "${BUILTIN_DYLIB_PATH}" == *asan_iossim_dynamic* ]]; then 29 ASAN_DYLIB_NAME=libclang_rt.asan_iossim_dynamic.dylib 30 elif [[ "${BUILTIN_DYLIB_PATH}" == *asan_osx_dynamic* ]]; then 31 ASAN_DYLIB_NAME=libclang_rt.asan_osx_dynamic.dylib 32 fi 33 34 if [[ -z "${BUILTIN_DYLIB_PATH}" ]]; then 35 echo "${BINARY} does not depend on the ASan runtime library!" >&2 36 exit 1 37 fi 38 39 # TODO(glider): this doesn't work if we set CC and CXX to override the default 40 # Clang. 41 ASAN_DYLIB=$(find \ 42 "${BUILT_PRODUCTS_DIR}/../../third_party/llvm-build/Release+Asserts/lib/clang/" \ 43 -type f -path "*${ASAN_DYLIB_NAME}") 44 45 DYLIB_BASENAME=$(basename "${ASAN_DYLIB}") 46 if [[ "${DYLIB_BASENAME}" != "${ASAN_DYLIB_NAME}" ]]; then 47 echo "basename(${ASAN_DYLIB}) != ${ASAN_DYLIB_NAME}" >&2 48 exit 1 49 fi 50 51 # Check whether the directory containing the executable binary is named 52 # "MacOS". In this case we're building a full-fledged OSX app and will put 53 # the runtime into appname.app/Contents/Libraries/. Otherwise this is probably 54 # an iOS gtest app, and the ASan runtime is put next to the executable. 55 UPPER_DIR=$(dirname "${BINARY_DIR}") 56 if [ "${UPPER_DIR}" == "MacOS" ]; then 57 LIBRARIES_DIR="${UPPER_DIR}/Libraries" 58 mkdir -p "${LIBRARIES_DIR}" 59 NEW_LC_ID_DYLIB="@executable_path/../Libraries/${ASAN_DYLIB_NAME}" 60 else 61 LIBRARIES_DIR="${BINARY_DIR}" 62 NEW_LC_ID_DYLIB="@executable_path/${ASAN_DYLIB_NAME}" 63 fi 64 65 cp "${ASAN_DYLIB}" "${LIBRARIES_DIR}" 66 67 # Make LC_ID_DYLIB of the runtime copy point to its location. 68 install_name_tool \ 69 -id "${NEW_LC_ID_DYLIB}" \ 70 "${LIBRARIES_DIR}/${ASAN_DYLIB_NAME}" 71 72 # Fix the rpath to the runtime library recorded in the binary. 73 install_name_tool \ 74 -change "${BUILTIN_DYLIB_PATH}" \ 75 "${NEW_LC_ID_DYLIB}" \ 76 "${BINARY}" 77
