diff options
Diffstat (limited to 'build')
| -rw-r--r-- | build/common.gypi | 28 | ||||
| -rw-r--r-- | build/mac/asan.gyp | 32 | ||||
| -rwxr-xr-x | build/mac/copy_asan_runtime_dylib.sh | 53 |
3 files changed, 113 insertions, 0 deletions
diff --git a/build/common.gypi b/build/common.gypi index e58f8c6..988b121 100644 --- a/build/common.gypi +++ b/build/common.gypi @@ -1657,6 +1657,11 @@ # throughout the codebase. 'defines' : ['USE_SKIA'], 'conditions': [ + ['asan==1', { + 'dependencies': [ + '<(DEPTH)/build/mac/asan.gyp:asan_dynamic_runtime', + ], + }], ['OS=="linux" and linux_use_tcmalloc==1 and clang_type_profiler==1', { 'cflags_cc!': ['-fno-rtti'], 'cflags_cc+': [ @@ -3526,6 +3531,29 @@ }], ['_mac_bundle', { 'xcode_settings': {'OTHER_LDFLAGS': ['-Wl,-ObjC']}, + 'target_conditions': [ + ['_type=="executable"', { + 'conditions': [ + ['asan==1', { + 'postbuilds': [ + { + 'variables': { + # Define copy_asan_dylib_path in a variable ending in + # _path so that gyp understands it's a path and + # performs proper relativization during dict merging. + 'copy_asan_dylib_path': + 'mac/copy_asan_runtime_dylib.sh', + }, + 'postbuild_name': 'Copy ASan runtime dylib', + 'action': [ + '<(copy_asan_dylib_path)', + ], + }, + ], + }], + ], + }], + ], }], ], # target_conditions }, # target_defaults diff --git a/build/mac/asan.gyp b/build/mac/asan.gyp new file mode 100644 index 0000000..73e8641 --- /dev/null +++ b/build/mac/asan.gyp @@ -0,0 +1,32 @@ +# Copyright (c) 2013 The Chromium Authors. All rights reserved. +# Use of this source code is governed by a BSD-style license that can be +# found in the LICENSE file. + +{ + 'targets': [ + { + 'target_name': 'asan_dynamic_runtime', + 'type': 'none', + 'variables': { + # Every target is going to depend on asan_dynamic_runtime, so allow + # this one to depend on itself. + 'prune_self_dependency': 1, + # Path is relative to this GYP file. + 'asan_rtl_mask_path': + '../../third_party/llvm-build/Release+Asserts/lib/clang/*/lib/darwin/libclang_rt.asan_osx_dynamic.dylib', + }, + 'conditions': [ + ['OS=="mac"', { + 'copies': [ + { + 'destination': '<(PRODUCT_DIR)', + 'files': [ + '<!(/bin/ls <(asan_rtl_mask_path))', + ], + }, + ], + }], + ], + }, + ], +} diff --git a/build/mac/copy_asan_runtime_dylib.sh b/build/mac/copy_asan_runtime_dylib.sh new file mode 100755 index 0000000..beefe79 --- /dev/null +++ b/build/mac/copy_asan_runtime_dylib.sh @@ -0,0 +1,53 @@ +#!/bin/bash + +# Copyright (c) 2013 The Chromium Authors. All rights reserved. +# Use of this source code is governed by a BSD-style license that can be +# found in the LICENSE file. + +# For app bundles built with ASan, copies the runtime lib +# (libclang_rt.asan_osx_dynamic.dylib), on which their executables depend, from +# the compiler installation path to appname.app/Contents/Resources and fixes the +# dylib's install name in the binary to be relative to @executable_path. + +set -e + +BINARY="${BUILT_PRODUCTS_DIR}/${EXECUTABLE_PATH}" +BINARY_DIR="$(dirname "${BINARY}")" +ASAN_DYLIB_NAME=libclang_rt.asan_osx_dynamic.dylib +ASAN_DYLIB=$(find \ + "${BUILT_PRODUCTS_DIR}/../../third_party/llvm-build/Release+Asserts/lib/clang/" \ + -type f -path "*${ASAN_DYLIB_NAME}") + +# Find the link to the ASan runtime encoded in the binary. +BUILTIN_DYLIB_PATH=$(otool -L "${BINARY}" | \ + sed -Ene 's/^[[:blank:]]+(.*libclang_rt\.asan_osx_dynamic\.dylib).*$/\1/p') + +if [[ -z "${BUILTIN_DYLIB_PATH}" ]]; then + echo "${BINARY} does not depend on the ASan runtime library!" >&2 + # TODO(glider): make this return 1 when we fully switch to the dynamic + # runtime in ASan. + exit 0 +fi + +DYLIB_BASENAME=$(basename "${ASAN_DYLIB}") +if [[ "${DYLIB_BASENAME}" != "${ASAN_DYLIB_NAME}" ]]; then + echo "basename(${ASAN_DYLIB}) != ${ASAN_DYLIB_NAME}" >&2 + exit 1 +fi + +LIBRARIES_DIR="$(dirname "${BINARY_DIR}")/Libraries" +mkdir -p "${LIBRARIES_DIR}" +cp "${ASAN_DYLIB}" "${LIBRARIES_DIR}" + +NEW_LC_ID_DYLIB="@executable_path/../Libraries/${ASAN_DYLIB_NAME}" + +# Make LC_ID_DYLIB of the runtime copy point to its location. +install_name_tool \ + -id "${NEW_LC_ID_DYLIB}" \ + "${LIBRARIES_DIR}/${ASAN_DYLIB_NAME}" + +# Fix the rpath to the runtime library recorded in the binary. +install_name_tool \ + -change "${BUILTIN_DYLIB_PATH}" \ + "${NEW_LC_ID_DYLIB}" \ + "${BINARY}" |