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| 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 to appname.app/Contents/Resources and fixes the | |
| 10 # dylib's install name in the binary to be relative to @executable_path. | |
| 11 | |
| 12 set -e | |
| 13 | |
| 14 BINARY="${BUILT_PRODUCTS_DIR}/${EXECUTABLE_PATH}" | |
| 15 BINARY_DIR="$(dirname "${BINARY}")" | |
| 16 ASAN_DYLIB_NAME=libclang_rt.asan_osx_dynamic.dylib | |
| 17 ASAN_DYLIB=$(find \ | |
| 18 "${BUILT_PRODUCTS_DIR}/../../third_party/llvm-build/Release+Asserts/lib/clan
g/" \ | |
| 19 -type f -path "*${ASAN_DYLIB_NAME}") | |
| 20 | |
| 21 # Find the link to the ASan runtime encoded in the binary. | |
| 22 BUILTIN_DYLIB_PATH=$(otool -L "${BINARY}" | \ | |
| 23 sed -Ene 's/^[[:blank:]]+(.*libclang_rt\.asan_osx_dynamic\.dylib).*$/\1/p') | |
| 24 | |
| 25 if [[ -z "${BUILTIN_DYLIB_PATH}" ]]; then | |
| 26 echo "${BINARY} does not depend on the ASan runtime library!" >&2 | |
| 27 # TODO(glider): make this return 1 when we fully switch to the dynamic | |
| 28 # runtime in ASan. | |
| 29 exit 0 | |
| 30 fi | |
| 31 | |
| 32 DYLIB_BASENAME=$(basename "${ASAN_DYLIB}") | |
| 33 if [[ "${DYLIB_BASENAME}" != "${ASAN_DYLIB_NAME}" ]]; then | |
| 34 echo "basename(${ASAN_DYLIB}) != ${ASAN_DYLIB_NAME}" >&2 | |
| 35 exit 1 | |
| 36 fi | |
| 37 | |
| 38 LIBRARIES_DIR="$(dirname "${BINARY_DIR}")/Libraries" | |
| 39 mkdir -p "${LIBRARIES_DIR}" | |
| 40 cp "${ASAN_DYLIB}" "${LIBRARIES_DIR}" | |
| 41 | |
| 42 NEW_LC_ID_DYLIB="@executable_path/../Libraries/${ASAN_DYLIB_NAME}" | |
| 43 | |
| 44 # Make LC_ID_DYLIB of the runtime copy point to its location. | |
| 45 install_name_tool \ | |
| 46 -id "${NEW_LC_ID_DYLIB}" \ | |
| 47 "${LIBRARIES_DIR}/${ASAN_DYLIB_NAME}" | |
| 48 | |
| 49 # Fix the rpath to the runtime library recorded in the binary. | |
| 50 install_name_tool \ | |
| 51 -change "${BUILTIN_DYLIB_PATH}" \ | |
| 52 "${NEW_LC_ID_DYLIB}" \ | |
| 53 "${BINARY}" | |
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