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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 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 SRCROOT="${BUILT_PRODUCTS_DIR}/../.." | |
42 CLANGVER=$(python ${SRCROOT}/tools/clang/scripts/update.py --print-clang-version
) | |
43 ASAN_DYLIB=${SRCROOT}/third_party/llvm-build/Release+Asserts/lib/clang/${CLANGVE
R}/lib/darwin/${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}" | |
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